summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDries2012-06-15 13:16:18 -0400
committerDries2012-06-15 13:16:18 -0400
commit07e217036136e0bc3369c276349ef0dd65d12e55 (patch)
treefac8de9b1d61f437ab3e1abf05dde0d9a3b60f87
parentc195d872bc7c5efdcd062501adf169590f291c91 (diff)
- Patch #1591686 by Rob Loach, chx: Add Twig itself.
-rw-r--r--core/includes/bootstrap.inc7
-rw-r--r--core/vendor/Twig/Autoloader.php46
-rw-r--r--core/vendor/Twig/Compiler.php250
-rw-r--r--core/vendor/Twig/CompilerInterface.php35
-rw-r--r--core/vendor/Twig/Environment.php1105
-rw-r--r--core/vendor/Twig/Error.php199
-rw-r--r--core/vendor/Twig/Error/Loader.php20
-rw-r--r--core/vendor/Twig/Error/Runtime.php21
-rw-r--r--core/vendor/Twig/Error/Syntax.php21
-rw-r--r--core/vendor/Twig/ExpressionParser.php488
-rw-r--r--core/vendor/Twig/Extension.php93
-rw-r--r--core/vendor/Twig/Extension/Core.php1039
-rw-r--r--core/vendor/Twig/Extension/Debug.php70
-rw-r--r--core/vendor/Twig/Extension/Escaper.php106
-rw-r--r--core/vendor/Twig/Extension/Optimizer.php35
-rw-r--r--core/vendor/Twig/Extension/Sandbox.php112
-rw-r--r--core/vendor/Twig/ExtensionInterface.php84
-rw-r--r--core/vendor/Twig/Filter.php75
-rw-r--r--core/vendor/Twig/Filter/Function.php33
-rw-r--r--core/vendor/Twig/Filter/Method.php35
-rw-r--r--core/vendor/Twig/Filter/Node.php37
-rw-r--r--core/vendor/Twig/FilterInterface.php40
-rw-r--r--core/vendor/Twig/Function.php63
-rw-r--r--core/vendor/Twig/Function/Function.php34
-rw-r--r--core/vendor/Twig/Function/Method.php36
-rw-r--r--core/vendor/Twig/Function/Node.php37
-rw-r--r--core/vendor/Twig/FunctionInterface.php37
-rw-r--r--core/vendor/Twig/Lexer.php406
-rw-r--r--core/vendor/Twig/LexerInterface.php29
-rw-r--r--core/vendor/Twig/Loader/Array.php102
-rw-r--r--core/vendor/Twig/Loader/Chain.php100
-rw-r--r--core/vendor/Twig/Loader/Filesystem.php152
-rw-r--r--core/vendor/Twig/Loader/String.php59
-rw-r--r--core/vendor/Twig/LoaderInterface.php53
-rw-r--r--core/vendor/Twig/Markup.php38
-rw-r--r--core/vendor/Twig/Node.php227
-rw-r--r--core/vendor/Twig/Node/AutoEscape.php40
-rw-r--r--core/vendor/Twig/Node/Block.php45
-rw-r--r--core/vendor/Twig/Node/BlockReference.php38
-rw-r--r--core/vendor/Twig/Node/Body.php20
-rw-r--r--core/vendor/Twig/Node/Do.php39
-rw-r--r--core/vendor/Twig/Node/Embed.php39
-rw-r--r--core/vendor/Twig/Node/Expression.php21
-rw-r--r--core/vendor/Twig/Node/Expression/Array.php86
-rw-r--r--core/vendor/Twig/Node/Expression/AssignName.php28
-rw-r--r--core/vendor/Twig/Node/Expression/Binary.php40
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/Add.php18
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/And.php18
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/BitwiseAnd.php18
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/BitwiseOr.php18
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/BitwiseXor.php18
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/Concat.php18
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/Div.php18
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/Equal.php17
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/FloorDiv.php29
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/Greater.php17
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/GreaterEqual.php17
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/In.php33
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/Less.php17
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/LessEqual.php17
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/Mod.php18
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/Mul.php18
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/NotEqual.php17
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/NotIn.php33
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/Or.php18
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/Power.php33
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/Range.php33
-rw-r--r--core/vendor/Twig/Node/Expression/Binary/Sub.php18
-rw-r--r--core/vendor/Twig/Node/Expression/BlockReference.php52
-rw-r--r--core/vendor/Twig/Node/Expression/Conditional.php31
-rw-r--r--core/vendor/Twig/Node/Expression/Constant.php23
-rw-r--r--core/vendor/Twig/Node/Expression/ExtensionReference.php34
-rw-r--r--core/vendor/Twig/Node/Expression/Filter.php61
-rw-r--r--core/vendor/Twig/Node/Expression/Filter/Default.php44
-rw-r--r--core/vendor/Twig/Node/Expression/Function.php66
-rw-r--r--core/vendor/Twig/Node/Expression/GetAttr.php53
-rw-r--r--core/vendor/Twig/Node/Expression/MethodCall.php37
-rw-r--r--core/vendor/Twig/Node/Expression/Name.php76
-rw-r--r--core/vendor/Twig/Node/Expression/Parent.php48
-rw-r--r--core/vendor/Twig/Node/Expression/TempName.php26
-rw-r--r--core/vendor/Twig/Node/Expression/Test.php54
-rw-r--r--core/vendor/Twig/Node/Expression/Test/Constant.php36
-rw-r--r--core/vendor/Twig/Node/Expression/Test/Defined.php55
-rw-r--r--core/vendor/Twig/Node/Expression/Test/Divisibleby.php34
-rw-r--r--core/vendor/Twig/Node/Expression/Test/Even.php33
-rw-r--r--core/vendor/Twig/Node/Expression/Test/Null.php32
-rw-r--r--core/vendor/Twig/Node/Expression/Test/Odd.php33
-rw-r--r--core/vendor/Twig/Node/Expression/Test/Sameas.php30
-rw-r--r--core/vendor/Twig/Node/Expression/Unary.php30
-rw-r--r--core/vendor/Twig/Node/Expression/Unary/Neg.php18
-rw-r--r--core/vendor/Twig/Node/Expression/Unary/Not.php18
-rw-r--r--core/vendor/Twig/Node/Expression/Unary/Pos.php18
-rw-r--r--core/vendor/Twig/Node/Flush.php37
-rw-r--r--core/vendor/Twig/Node/For.php113
-rw-r--r--core/vendor/Twig/Node/ForLoop.php56
-rw-r--r--core/vendor/Twig/Node/If.php67
-rw-r--r--core/vendor/Twig/Node/Import.php51
-rw-r--r--core/vendor/Twig/Node/Include.php100
-rw-r--r--core/vendor/Twig/Node/Macro.php84
-rw-r--r--core/vendor/Twig/Node/Module.php372
-rw-r--r--core/vendor/Twig/Node/Print.php40
-rw-r--r--core/vendor/Twig/Node/Sandbox.php48
-rw-r--r--core/vendor/Twig/Node/SandboxedModule.php61
-rw-r--r--core/vendor/Twig/Node/SandboxedPrint.php60
-rw-r--r--core/vendor/Twig/Node/Set.php102
-rw-r--r--core/vendor/Twig/Node/SetTemp.php35
-rw-r--r--core/vendor/Twig/Node/Spaceless.php41
-rw-r--r--core/vendor/Twig/Node/Text.php40
-rw-r--r--core/vendor/Twig/NodeInterface.php30
-rw-r--r--core/vendor/Twig/NodeOutputInterface.php20
-rw-r--r--core/vendor/Twig/NodeTraverser.php89
-rw-r--r--core/vendor/Twig/NodeVisitor/Escaper.php164
-rw-r--r--core/vendor/Twig/NodeVisitor/Optimizer.php247
-rw-r--r--core/vendor/Twig/NodeVisitor/SafeAnalysis.php119
-rw-r--r--core/vendor/Twig/NodeVisitor/Sandbox.php106
-rw-r--r--core/vendor/Twig/NodeVisitorInterface.php48
-rw-r--r--core/vendor/Twig/Parser.php384
-rw-r--r--core/vendor/Twig/ParserInterface.php28
-rw-r--r--core/vendor/Twig/Sandbox/SecurityError.php20
-rw-r--r--core/vendor/Twig/Sandbox/SecurityPolicy.php120
-rw-r--r--core/vendor/Twig/Sandbox/SecurityPolicyInterface.php25
-rw-r--r--core/vendor/Twig/Template.php442
-rw-r--r--core/vendor/Twig/TemplateInterface.php47
-rw-r--r--core/vendor/Twig/Test/Function.php31
-rw-r--r--core/vendor/Twig/Test/Method.php33
-rw-r--r--core/vendor/Twig/Test/Node.php35
-rw-r--r--core/vendor/Twig/TestInterface.php26
-rw-r--r--core/vendor/Twig/Token.php219
-rw-r--r--core/vendor/Twig/TokenParser.php34
-rw-r--r--core/vendor/Twig/TokenParser/AutoEscape.php88
-rw-r--r--core/vendor/Twig/TokenParser/Block.php83
-rw-r--r--core/vendor/Twig/TokenParser/Do.php42
-rw-r--r--core/vendor/Twig/TokenParser/Embed.php66
-rw-r--r--core/vendor/Twig/TokenParser/Extends.php54
-rw-r--r--core/vendor/Twig/TokenParser/Filter.php61
-rw-r--r--core/vendor/Twig/TokenParser/Flush.php42
-rw-r--r--core/vendor/Twig/TokenParser/For.php89
-rw-r--r--core/vendor/Twig/TokenParser/From.php74
-rw-r--r--core/vendor/Twig/TokenParser/If.php93
-rw-r--r--core/vendor/Twig/TokenParser/Import.php47
-rw-r--r--core/vendor/Twig/TokenParser/Include.php80
-rw-r--r--core/vendor/Twig/TokenParser/Macro.php69
-rw-r--r--core/vendor/Twig/TokenParser/Sandbox.php55
-rw-r--r--core/vendor/Twig/TokenParser/Set.php84
-rw-r--r--core/vendor/Twig/TokenParser/Spaceless.php59
-rw-r--r--core/vendor/Twig/TokenParser/Use.php85
-rw-r--r--core/vendor/Twig/TokenParserBroker.php113
-rw-r--r--core/vendor/Twig/TokenParserBrokerInterface.php45
-rw-r--r--core/vendor/Twig/TokenParserInterface.php42
-rw-r--r--core/vendor/Twig/TokenStream.php145
150 files changed, 12212 insertions, 1 deletions
diff --git a/core/includes/bootstrap.inc b/core/includes/bootstrap.inc
index 8d3f4dc..dc4a3d4 100644
--- a/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -3013,11 +3013,16 @@ function drupal_classloader() {
break;
}
- // Register explicit vendor namespaces.
+ // Register explicit PSR-0 vendor namespaces.
$loader->registerNamespaces(array(
// All Symfony-borrowed code lives in /core/vendor/Symfony.
'Symfony' => DRUPAL_ROOT . '/core/vendor',
));
+ // Register PEAR-style vendor namespaces.
+ $loader->registerPrefixes(array(
+ // All Twig-borrowed code lives in /core/vendor/Twig.
+ 'Twig' => DRUPAL_ROOT . '/core/vendor',
+ ));
// Register the Drupal namespace for classes in core as a fallback.
// This allows to register additional namespaces within the Drupal namespace
// (e.g., for modules) and avoids an additional file_exists() on the Drupal
diff --git a/core/vendor/Twig/Autoloader.php b/core/vendor/Twig/Autoloader.php
new file mode 100644
index 0000000..0f62884
--- /dev/null
+++ b/core/vendor/Twig/Autoloader.php
@@ -0,0 +1,46 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Autoloads Twig classes.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Autoloader
+{
+ /**
+ * Registers Twig_Autoloader as an SPL autoloader.
+ */
+ static public function register()
+ {
+ ini_set('unserialize_callback_func', 'spl_autoload_call');
+ spl_autoload_register(array(new self, 'autoload'));
+ }
+
+ /**
+ * Handles autoloading of classes.
+ *
+ * @param string $class A class name.
+ *
+ * @return boolean Returns true if the class has been loaded
+ */
+ static public function autoload($class)
+ {
+ if (0 !== strpos($class, 'Twig')) {
+ return;
+ }
+
+ if (is_file($file = dirname(__FILE__).'/../'.str_replace(array('_', "\0"), array('/', ''), $class).'.php')) {
+ require $file;
+ }
+ }
+}
diff --git a/core/vendor/Twig/Compiler.php b/core/vendor/Twig/Compiler.php
new file mode 100644
index 0000000..5cd1b31
--- /dev/null
+++ b/core/vendor/Twig/Compiler.php
@@ -0,0 +1,250 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Compiles a node to PHP code.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Compiler implements Twig_CompilerInterface
+{
+ protected $lastLine;
+ protected $source;
+ protected $indentation;
+ protected $env;
+ protected $debugInfo;
+ protected $sourceOffset;
+ protected $sourceLine;
+
+ /**
+ * Constructor.
+ *
+ * @param Twig_Environment $env The twig environment instance
+ */
+ public function __construct(Twig_Environment $env)
+ {
+ $this->env = $env;
+ $this->debugInfo = array();
+ }
+
+ /**
+ * Returns the environment instance related to this compiler.
+ *
+ * @return Twig_Environment The environment instance
+ */
+ public function getEnvironment()
+ {
+ return $this->env;
+ }
+
+ /**
+ * Gets the current PHP code after compilation.
+ *
+ * @return string The PHP code
+ */
+ public function getSource()
+ {
+ return $this->source;
+ }
+
+ /**
+ * Compiles a node.
+ *
+ * @param Twig_NodeInterface $node The node to compile
+ * @param integer $indentation The current indentation
+ *
+ * @return Twig_Compiler The current compiler instance
+ */
+ public function compile(Twig_NodeInterface $node, $indentation = 0)
+ {
+ $this->lastLine = null;
+ $this->source = '';
+ $this->sourceOffset = 0;
+ $this->sourceLine = 0;
+ $this->indentation = $indentation;
+
+ $node->compile($this);
+
+ return $this;
+ }
+
+ public function subcompile(Twig_NodeInterface $node, $raw = true)
+ {
+ if (false === $raw) {
+ $this->addIndentation();
+ }
+
+ $node->compile($this);
+
+ return $this;
+ }
+
+ /**
+ * Adds a raw string to the compiled code.
+ *
+ * @param string $string The string
+ *
+ * @return Twig_Compiler The current compiler instance
+ */
+ public function raw($string)
+ {
+ $this->source .= $string;
+
+ return $this;
+ }
+
+ /**
+ * Writes a string to the compiled code by adding indentation.
+ *
+ * @return Twig_Compiler The current compiler instance
+ */
+ public function write()
+ {
+ $strings = func_get_args();
+ foreach ($strings as $string) {
+ $this->addIndentation();
+ $this->source .= $string;
+ }
+
+ return $this;
+ }
+
+ public function addIndentation()
+ {
+ $this->source .= str_repeat(' ', $this->indentation * 4);
+
+ return $this;
+ }
+
+ /**
+ * Adds a quoted string to the compiled code.
+ *
+ * @param string $value The string
+ *
+ * @return Twig_Compiler The current compiler instance
+ */
+ public function string($value)
+ {
+ $this->source .= sprintf('"%s"', addcslashes($value, "\0\t\"\$\\"));
+
+ return $this;
+ }
+
+ /**
+ * Returns a PHP representation of a given value.
+ *
+ * @param mixed $value The value to convert
+ *
+ * @return Twig_Compiler The current compiler instance
+ */
+ public function repr($value)
+ {
+ if (is_int($value) || is_float($value)) {
+ if (false !== $locale = setlocale(LC_NUMERIC, 0)) {
+ setlocale(LC_NUMERIC, 'C');
+ }
+
+ $this->raw($value);
+
+ if (false !== $locale) {
+ setlocale(LC_NUMERIC, $locale);
+ }
+ } elseif (null === $value) {
+ $this->raw('null');
+ } elseif (is_bool($value)) {
+ $this->raw($value ? 'true' : 'false');
+ } elseif (is_array($value)) {
+ $this->raw('array(');
+ $i = 0;
+ foreach ($value as $key => $value) {
+ if ($i++) {
+ $this->raw(', ');
+ }
+ $this->repr($key);
+ $this->raw(' => ');
+ $this->repr($value);
+ }
+ $this->raw(')');
+ } else {
+ $this->string($value);
+ }
+
+ return $this;
+ }
+
+ /**
+ * Adds debugging information.
+ *
+ * @param Twig_NodeInterface $node The related twig node
+ *
+ * @return Twig_Compiler The current compiler instance
+ */
+ public function addDebugInfo(Twig_NodeInterface $node)
+ {
+ if ($node->getLine() != $this->lastLine) {
+ // when mbstring.func_overload is set to 2
+ // mb_substr_count() replaces substr_count()
+ // but they have different signatures!
+ if (((int) ini_get('mbstring.func_overload')) & 2) {
+ // this is much slower than the "right" version
+ $this->sourceLine += mb_substr_count(mb_substr($this->source, $this->sourceOffset), "\n");
+ } else {
+ $this->sourceLine += substr_count($this->source, "\n", $this->sourceOffset);
+ }
+ $this->sourceOffset = strlen($this->source);
+ $this->debugInfo[$this->sourceLine] = $node->getLine();
+
+ $this->lastLine = $node->getLine();
+ $this->write("// line {$node->getLine()}\n");
+ }
+
+ return $this;
+ }
+
+ public function getDebugInfo()
+ {
+ return $this->debugInfo;
+ }
+
+ /**
+ * Indents the generated code.
+ *
+ * @param integer $step The number of indentation to add
+ *
+ * @return Twig_Compiler The current compiler instance
+ */
+ public function indent($step = 1)
+ {
+ $this->indentation += $step;
+
+ return $this;
+ }
+
+ /**
+ * Outdents the generated code.
+ *
+ * @param integer $step The number of indentation to remove
+ *
+ * @return Twig_Compiler The current compiler instance
+ */
+ public function outdent($step = 1)
+ {
+ $this->indentation -= $step;
+
+ if ($this->indentation < 0) {
+ throw new Twig_Error('Unable to call outdent() as the indentation would become negative');
+ }
+
+ return $this;
+ }
+}
diff --git a/core/vendor/Twig/CompilerInterface.php b/core/vendor/Twig/CompilerInterface.php
new file mode 100644
index 0000000..f861381
--- /dev/null
+++ b/core/vendor/Twig/CompilerInterface.php
@@ -0,0 +1,35 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Interface implemented by compiler classes.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_CompilerInterface
+{
+ /**
+ * Compiles a node.
+ *
+ * @param Twig_NodeInterface $node The node to compile
+ *
+ * @return Twig_CompilerInterface The current compiler instance
+ */
+ function compile(Twig_NodeInterface $node);
+
+ /**
+ * Gets the current PHP code after compilation.
+ *
+ * @return string The PHP code
+ */
+ function getSource();
+}
diff --git a/core/vendor/Twig/Environment.php b/core/vendor/Twig/Environment.php
new file mode 100644
index 0000000..333d667
--- /dev/null
+++ b/core/vendor/Twig/Environment.php
@@ -0,0 +1,1105 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Stores the Twig configuration.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Environment
+{
+ const VERSION = '1.8.3-DEV';
+
+ protected $charset;
+ protected $loader;
+ protected $debug;
+ protected $autoReload;
+ protected $cache;
+ protected $lexer;
+ protected $parser;
+ protected $compiler;
+ protected $baseTemplateClass;
+ protected $extensions;
+ protected $parsers;
+ protected $visitors;
+ protected $filters;
+ protected $tests;
+ protected $functions;
+ protected $globals;
+ protected $runtimeInitialized;
+ protected $loadedTemplates;
+ protected $strictVariables;
+ protected $unaryOperators;
+ protected $binaryOperators;
+ protected $templateClassPrefix = '__TwigTemplate_';
+ protected $functionCallbacks;
+ protected $filterCallbacks;
+ protected $staging;
+
+ /**
+ * Constructor.
+ *
+ * Available options:
+ *
+ * * debug: When set to true, it automatically set "auto_reload" to true as
+ * well (default to false).
+ *
+ * * charset: The charset used by the templates (default to utf-8).
+ *
+ * * base_template_class: The base template class to use for generated
+ * templates (default to Twig_Template).
+ *
+ * * cache: An absolute path where to store the compiled templates, or
+ * false to disable compilation cache (default).
+ *
+ * * auto_reload: Whether to reload the template is the original source changed.
+ * If you don't provide the auto_reload option, it will be
+ * determined automatically base on the debug value.
+ *
+ * * strict_variables: Whether to ignore invalid variables in templates
+ * (default to false).
+ *
+ * * autoescape: Whether to enable auto-escaping (default to html):
+ * * false: disable auto-escaping
+ * * true: equivalent to html
+ * * html, js: set the autoescaping to one of the supported strategies
+ * * PHP callback: a PHP callback that returns an escaping strategy based on the template "filename"
+ *
+ * * optimizations: A flag that indicates which optimizations to apply
+ * (default to -1 which means that all optimizations are enabled;
+ * set it to 0 to disable).
+ *
+ * @param Twig_LoaderInterface $loader A Twig_LoaderInterface instance
+ * @param array $options An array of options
+ */
+ public function __construct(Twig_LoaderInterface $loader = null, $options = array())
+ {
+ if (null !== $loader) {
+ $this->setLoader($loader);
+ }
+
+ $options = array_merge(array(
+ 'debug' => false,
+ 'charset' => 'UTF-8',
+ 'base_template_class' => 'Twig_Template',
+ 'strict_variables' => false,
+ 'autoescape' => 'html',
+ 'cache' => false,
+ 'auto_reload' => null,
+ 'optimizations' => -1,
+ ), $options);
+
+ $this->debug = (bool) $options['debug'];
+ $this->charset = $options['charset'];
+ $this->baseTemplateClass = $options['base_template_class'];
+ $this->autoReload = null === $options['auto_reload'] ? $this->debug : (bool) $options['auto_reload'];
+ $this->extensions = array(
+ 'core' => new Twig_Extension_Core(),
+ 'escaper' => new Twig_Extension_Escaper($options['autoescape']),
+ 'optimizer' => new Twig_Extension_Optimizer($options['optimizations']),
+ );
+ $this->strictVariables = (bool) $options['strict_variables'];
+ $this->runtimeInitialized = false;
+ $this->setCache($options['cache']);
+ $this->functionCallbacks = array();
+ $this->filterCallbacks = array();
+ $this->staging = array(
+ 'functions' => array(),
+ 'filters' => array(),
+ 'tests' => array(),
+ 'token_parsers' => array(),
+ 'visitors' => array(),
+ 'globals' => array(),
+ );
+ }
+
+ /**
+ * Gets the base template class for compiled templates.
+ *
+ * @return string The base template class name
+ */
+ public function getBaseTemplateClass()
+ {
+ return $this->baseTemplateClass;
+ }
+
+ /**
+ * Sets the base template class for compiled templates.
+ *
+ * @param string $class The base template class name
+ */
+ public function setBaseTemplateClass($class)
+ {
+ $this->baseTemplateClass = $class;
+ }
+
+ /**
+ * Enables debugging mode.
+ */
+ public function enableDebug()
+ {
+ $this->debug = true;
+ }
+
+ /**
+ * Disables debugging mode.
+ */
+ public function disableDebug()
+ {
+ $this->debug = false;
+ }
+
+ /**
+ * Checks if debug mode is enabled.
+ *
+ * @return Boolean true if debug mode is enabled, false otherwise
+ */
+ public function isDebug()
+ {
+ return $this->debug;
+ }
+
+ /**
+ * Enables the auto_reload option.
+ */
+ public function enableAutoReload()
+ {
+ $this->autoReload = true;
+ }
+
+ /**
+ * Disables the auto_reload option.
+ */
+ public function disableAutoReload()
+ {
+ $this->autoReload = false;
+ }
+
+ /**
+ * Checks if the auto_reload option is enabled.
+ *
+ * @return Boolean true if auto_reload is enabled, false otherwise
+ */
+ public function isAutoReload()
+ {
+ return $this->autoReload;
+ }
+
+ /**
+ * Enables the strict_variables option.
+ */
+ public function enableStrictVariables()
+ {
+ $this->strictVariables = true;
+ }
+
+ /**
+ * Disables the strict_variables option.
+ */
+ public function disableStrictVariables()
+ {
+ $this->strictVariables = false;
+ }
+
+ /**
+ * Checks if the strict_variables option is enabled.
+ *
+ * @return Boolean true if strict_variables is enabled, false otherwise
+ */
+ public function isStrictVariables()
+ {
+ return $this->strictVariables;
+ }
+
+ /**
+ * Gets the cache directory or false if cache is disabled.
+ *
+ * @return string|false
+ */
+ public function getCache()
+ {
+ return $this->cache;
+ }
+
+ /**
+ * Sets the cache directory or false if cache is disabled.
+ *
+ * @param string|false $cache The absolute path to the compiled templates,
+ * or false to disable cache
+ */
+ public function setCache($cache)
+ {
+ $this->cache = $cache ? $cache : false;
+ }
+
+ /**
+ * Gets the cache filename for a given template.
+ *
+ * @param string $name The template name
+ *
+ * @return string The cache file name
+ */
+ public function getCacheFilename($name)
+ {
+ if (false === $this->cache) {
+ return false;
+ }
+
+ $class = substr($this->getTemplateClass($name), strlen($this->templateClassPrefix));
+
+ return $this->getCache().'/'.substr($class, 0, 2).'/'.substr($class, 2, 2).'/'.substr($class, 4).'.php';
+ }
+
+ /**
+ * Gets the template class associated with the given string.
+ *
+ * @param string $name The name for which to calculate the template class name
+ * @param integer $index The index if it is an embedded template
+ *
+ * @return string The template class name
+ */
+ public function getTemplateClass($name, $index = null)
+ {
+ return $this->templateClassPrefix.md5($this->loader->getCacheKey($name)).(null === $index ? '' : '_'.$index);
+ }
+
+ /**
+ * Gets the template class prefix.
+ *
+ * @return string The template class prefix
+ */
+ public function getTemplateClassPrefix()
+ {
+ return $this->templateClassPrefix;
+ }
+
+ /**
+ * Renders a template.
+ *
+ * @param string $name The template name
+ * @param array $context An array of parameters to pass to the template
+ *
+ * @return string The rendered template
+ */
+ public function render($name, array $context = array())
+ {
+ return $this->loadTemplate($name)->render($context);
+ }
+
+ /**
+ * Displays a template.
+ *
+ * @param string $name The template name
+ * @param array $context An array of parameters to pass to the template
+ */
+ public function display($name, array $context = array())
+ {
+ $this->loadTemplate($name)->display($context);
+ }
+
+ /**
+ * Loads a template by name.
+ *
+ * @param string $name The template name
+ * @param integer $index The index if it is an embedded template
+ *
+ * @return Twig_TemplateInterface A template instance representing the given template name
+ */
+ public function loadTemplate($name, $index = null)
+ {
+ $cls = $this->getTemplateClass($name, $index);
+
+ if (isset($this->loadedTemplates[$cls])) {
+ return $this->loadedTemplates[$cls];
+ }
+
+ if (!class_exists($cls, false)) {
+ if (false === $cache = $this->getCacheFilename($name)) {
+ eval('?>'.$this->compileSource($this->loader->getSource($name), $name));
+ } else {
+ if (!is_file($cache) || ($this->isAutoReload() && !$this->isTemplateFresh($name, filemtime($cache)))) {
+ $this->writeCacheFile($cache, $this->compileSource($this->loader->getSource($name), $name));
+ }
+
+ require_once $cache;
+ }
+ }
+
+ if (!$this->runtimeInitialized) {
+ $this->initRuntime();
+ }
+
+ return $this->loadedTemplates[$cls] = new $cls($this);
+ }
+
+ /**
+ * Returns true if the template is still fresh.
+ *
+ * Besides checking the loader for freshness information,
+ * this method also checks if the enabled extensions have
+ * not changed.
+ *
+ * @param string $name The template name
+ * @param timestamp $time The last modification time of the cached template
+ *
+ * @return Boolean true if the template is fresh, false otherwise
+ */
+ public function isTemplateFresh($name, $time)
+ {
+ foreach ($this->extensions as $extension) {
+ $r = new ReflectionObject($extension);
+ if (filemtime($r->getFileName()) > $time) {
+ return false;
+ }
+ }
+
+ return $this->loader->isFresh($name, $time);
+ }
+
+ public function resolveTemplate($names)
+ {
+ if (!is_array($names)) {
+ $names = array($names);
+ }
+
+ foreach ($names as $name) {
+ if ($name instanceof Twig_Template) {
+ return $name;
+ }
+
+ try {
+ return $this->loadTemplate($name);
+ } catch (Twig_Error_Loader $e) {
+ }
+ }
+
+ if (1 === count($names)) {
+ throw $e;
+ }
+
+ throw new Twig_Error_Loader(sprintf('Unable to find one of the following templates: "%s".', implode('", "', $names)));
+ }
+
+ /**
+ * Clears the internal template cache.
+ */
+ public function clearTemplateCache()
+ {
+ $this->loadedTemplates = array();
+ }
+
+ /**
+ * Clears the template cache files on the filesystem.
+ */
+ public function clearCacheFiles()
+ {
+ if (false === $this->cache) {
+ return;
+ }
+
+ foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($this->cache), RecursiveIteratorIterator::LEAVES_ONLY) as $file) {
+ if ($file->isFile()) {
+ @unlink($file->getPathname());
+ }
+ }
+ }
+
+ /**
+ * Gets the Lexer instance.
+ *
+ * @return Twig_LexerInterface A Twig_LexerInterface instance
+ */
+ public function getLexer()
+ {
+ if (null === $this->lexer) {
+ $this->lexer = new Twig_Lexer($this);
+ }
+
+ return $this->lexer;
+ }
+
+ /**
+ * Sets the Lexer instance.
+ *
+ * @param Twig_LexerInterface A Twig_LexerInterface instance
+ */
+ public function setLexer(Twig_LexerInterface $lexer)
+ {
+ $this->lexer = $lexer;
+ }
+
+ /**
+ * Tokenizes a source code.
+ *
+ * @param string $source The template source code
+ * @param string $name The template name
+ *
+ * @return Twig_TokenStream A Twig_TokenStream instance
+ */
+ public function tokenize($source, $name = null)
+ {
+ return $this->getLexer()->tokenize($source, $name);
+ }
+
+ /**
+ * Gets the Parser instance.
+ *
+ * @return Twig_ParserInterface A Twig_ParserInterface instance
+ */
+ public function getParser()
+ {
+ if (null === $this->parser) {
+ $this->parser = new Twig_Parser($this);
+ }
+
+ return $this->parser;
+ }
+
+ /**
+ * Sets the Parser instance.
+ *
+ * @param Twig_ParserInterface A Twig_ParserInterface instance
+ */
+ public function setParser(Twig_ParserInterface $parser)
+ {
+ $this->parser = $parser;
+ }
+
+ /**
+ * Parses a token stream.
+ *
+ * @param Twig_TokenStream $tokens A Twig_TokenStream instance
+ *
+ * @return Twig_Node_Module A Node tree
+ */
+ public function parse(Twig_TokenStream $tokens)
+ {
+ return $this->getParser()->parse($tokens);
+ }
+
+ /**
+ * Gets the Compiler instance.
+ *
+ * @return Twig_CompilerInterface A Twig_CompilerInterface instance
+ */
+ public function getCompiler()
+ {
+ if (null === $this->compiler) {
+ $this->compiler = new Twig_Compiler($this);
+ }
+
+ return $this->compiler;
+ }
+
+ /**
+ * Sets the Compiler instance.
+ *
+ * @param Twig_CompilerInterface $compiler A Twig_CompilerInterface instance
+ */
+ public function setCompiler(Twig_CompilerInterface $compiler)
+ {
+ $this->compiler = $compiler;
+ }
+
+ /**
+ * Compiles a Node.
+ *
+ * @param Twig_NodeInterface $node A Twig_NodeInterface instance
+ *
+ * @return string The compiled PHP source code
+ */
+ public function compile(Twig_NodeInterface $node)
+ {
+ return $this->getCompiler()->compile($node)->getSource();
+ }
+
+ /**
+ * Compiles a template source code.
+ *
+ * @param string $source The template source code
+ * @param string $name The template name
+ *
+ * @return string The compiled PHP source code
+ */
+ public function compileSource($source, $name = null)
+ {
+ try {
+ return $this->compile($this->parse($this->tokenize($source, $name)));
+ } catch (Twig_Error $e) {
+ $e->setTemplateFile($name);
+ throw $e;
+ } catch (Exception $e) {
+ throw new Twig_Error_Runtime(sprintf('An exception has been thrown during the compilation of a template ("%s").', $e->getMessage()), -1, $name, $e);
+ }
+ }
+
+ /**
+ * Sets the Loader instance.
+ *
+ * @param Twig_LoaderInterface $loader A Twig_LoaderInterface instance
+ */
+ public function setLoader(Twig_LoaderInterface $loader)
+ {
+ $this->loader = $loader;
+ }
+
+ /**
+ * Gets the Loader instance.
+ *
+ * @return Twig_LoaderInterface A Twig_LoaderInterface instance
+ */
+ public function getLoader()
+ {
+ return $this->loader;
+ }
+
+ /**
+ * Sets the default template charset.
+ *
+ * @param string $charset The default charset
+ */
+ public function setCharset($charset)
+ {
+ $this->charset = $charset;
+ }
+
+ /**
+ * Gets the default template charset.
+ *
+ * @return string The default charset
+ */
+ public function getCharset()
+ {
+ return $this->charset;
+ }
+
+ /**
+ * Initializes the runtime environment.
+ */
+ public function initRuntime()
+ {
+ $this->runtimeInitialized = true;
+
+ foreach ($this->getExtensions() as $extension) {
+ $extension->initRuntime($this);
+ }
+ }
+
+ /**
+ * Returns true if the given extension is registered.
+ *
+ * @param string $name The extension name
+ *
+ * @return Boolean Whether the extension is registered or not
+ */
+ public function hasExtension($name)
+ {
+ return isset($this->extensions[$name]);
+ }
+
+ /**
+ * Gets an extension by name.
+ *
+ * @param string $name The extension name
+ *
+ * @return Twig_ExtensionInterface A Twig_ExtensionInterface instance
+ */
+ public function getExtension($name)
+ {
+ if (!isset($this->extensions[$name])) {
+ throw new Twig_Error_Runtime(sprintf('The "%s" extension is not enabled.', $name));
+ }
+
+ return $this->extensions[$name];
+ }
+
+ /**
+ * Registers an extension.
+ *
+ * @param Twig_ExtensionInterface $extension A Twig_ExtensionInterface instance
+ */
+ public function addExtension(Twig_ExtensionInterface $extension)
+ {
+ $this->extensions[$extension->getName()] = $extension;
+ $this->parsers = null;
+ $this->visitors = null;
+ $this->filters = null;
+ $this->tests = null;
+ $this->functions = null;
+ $this->globals = null;
+ }
+
+ /**
+ * Removes an extension by name.
+ *
+ * @param string $name The extension name
+ */
+ public function removeExtension($name)
+ {
+ unset($this->extensions[$name]);
+ $this->parsers = null;
+ $this->visitors = null;
+ $this->filters = null;
+ $this->tests = null;
+ $this->functions = null;
+ $this->globals = null;
+ }
+
+ /**
+ * Registers an array of extensions.
+ *
+ * @param array $extensions An array of extensions
+ */
+ public function setExtensions(array $extensions)
+ {
+ foreach ($extensions as $extension) {
+ $this->addExtension($extension);
+ }
+ }
+
+ /**
+ * Returns all registered extensions.
+ *
+ * @return array An array of extensions
+ */
+ public function getExtensions()
+ {
+ return $this->extensions;
+ }
+
+ /**
+ * Registers a Token Parser.
+ *
+ * @param Twig_TokenParserInterface $parser A Twig_TokenParserInterface instance
+ */
+ public function addTokenParser(Twig_TokenParserInterface $parser)
+ {
+ $this->staging['token_parsers'][] = $parser;
+ $this->parsers = null;
+ }
+
+ /**
+ * Gets the registered Token Parsers.
+ *
+ * @return Twig_TokenParserBrokerInterface A broker containing token parsers
+ */
+ public function getTokenParsers()
+ {
+ if (null === $this->parsers) {
+ $this->parsers = new Twig_TokenParserBroker();
+
+ if (isset($this->staging['token_parsers'])) {
+ foreach ($this->staging['token_parsers'] as $parser) {
+ $this->parsers->addTokenParser($parser);
+ }
+ }
+
+ foreach ($this->getExtensions() as $extension) {
+ $parsers = $extension->getTokenParsers();
+ foreach ($parsers as $parser) {
+ if ($parser instanceof Twig_TokenParserInterface) {
+ $this->parsers->addTokenParser($parser);
+ } elseif ($parser instanceof Twig_TokenParserBrokerInterface) {
+ $this->parsers->addTokenParserBroker($parser);
+ } else {
+ throw new Twig_Error_Runtime('getTokenParsers() must return an array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances');
+ }
+ }
+ }
+ }
+
+ return $this->parsers;
+ }
+
+ /**
+ * Gets registered tags.
+ *
+ * Be warned that this method cannot return tags defined by Twig_TokenParserBrokerInterface classes.
+ *
+ * @return Twig_TokenParserInterface[] An array of Twig_TokenParserInterface instances
+ */
+ public function getTags()
+ {
+ $tags = array();
+ foreach ($this->getTokenParsers()->getParsers() as $parser) {
+ if ($parser instanceof Twig_TokenParserInterface) {
+ $tags[$parser->getTag()] = $parser;
+ }
+ }
+
+ return $tags;
+ }
+
+ /**
+ * Registers a Node Visitor.
+ *
+ * @param Twig_NodeVisitorInterface $visitor A Twig_NodeVisitorInterface instance
+ */
+ public function addNodeVisitor(Twig_NodeVisitorInterface $visitor)
+ {
+ $this->staging['visitors'][] = $visitor;
+ $this->visitors = null;
+ }
+
+ /**
+ * Gets the registered Node Visitors.
+ *
+ * @return Twig_NodeVisitorInterface[] An array of Twig_NodeVisitorInterface instances
+ */
+ public function getNodeVisitors()
+ {
+ if (null === $this->visitors) {
+ foreach ($this->getExtensions() as $extension) {
+ foreach ($extension->getNodeVisitors() as $visitor) {
+ $this->addNodeVisitor($visitor);
+ }
+ }
+
+ $this->visitors = $this->staging['visitors'];
+ }
+
+ return $this->visitors;
+ }
+
+ /**
+ * Registers a Filter.
+ *
+ * @param string $name The filter name
+ * @param Twig_FilterInterface $filter A Twig_FilterInterface instance
+ */
+ public function addFilter($name, Twig_FilterInterface $filter)
+ {
+ $this->staging['filters'][$name] = $filter;
+ $this->filters = null;
+ }
+
+ /**
+ * Get a filter by name.
+ *
+ * Subclasses may override this method and load filters differently;
+ * so no list of filters is available.
+ *
+ * @param string $name The filter name
+ *
+ * @return Twig_Filter|false A Twig_Filter instance or false if the filter does not exists
+ */
+ public function getFilter($name)
+ {
+ if (null === $this->filters) {
+ $this->getFilters();
+ }
+
+ if (isset($this->filters[$name])) {
+ return $this->filters[$name];
+ }
+
+ foreach ($this->filters as $pattern => $filter) {
+ $pattern = str_replace('\\*', '(.*?)', preg_quote($pattern, '#'), $count);
+
+ if ($count) {
+ if (preg_match('#^'.$pattern.'$#', $name, $matches)) {
+ array_shift($matches);
+ $filter->setArguments($matches);
+
+ return $filter;
+ }
+ }
+ }
+
+ foreach ($this->filterCallbacks as $callback) {
+ if (false !== $filter = call_user_func($callback, $name)) {
+ return $filter;
+ }
+ }
+
+ return false;
+ }
+
+ public function registerUndefinedFilterCallback($callable)
+ {
+ $this->filterCallbacks[] = $callable;
+ }
+
+ /**
+ * Gets the registered Filters.
+ *
+ * Be warned that this method cannot return filters defined with registerUndefinedFunctionCallback.
+ *
+ * @return Twig_FilterInterface[] An array of Twig_FilterInterface instances
+ *
+ * @see registerUndefinedFilterCallback
+ */
+ public function getFilters()
+ {
+ if (null === $this->filters) {
+ foreach ($this->getExtensions() as $extension) {
+ foreach ($extension->getFilters() as $name => $filter) {
+ $this->addFilter($name, $filter);
+ }
+ }
+
+ $this->filters = $this->staging['filters'];
+ }
+
+ return $this->filters;
+ }
+
+ /**
+ * Registers a Test.
+ *
+ * @param string $name The test name
+ * @param Twig_TestInterface $test A Twig_TestInterface instance
+ */
+ public function addTest($name, Twig_TestInterface $test)
+ {
+ $this->staging['tests'][$name] = $test;
+ $this->tests = null;
+ }
+
+ /**
+ * Gets the registered Tests.
+ *
+ * @return Twig_TestInterface[] An array of Twig_TestInterface instances
+ */
+ public function getTests()
+ {
+ if (null === $this->tests) {
+ foreach ($this->getExtensions() as $extension) {
+ foreach ($extension->getTests() as $name => $test) {
+ $this->addTest($name, $test);
+ }
+ }
+
+ $this->tests = $this->staging['tests'];
+ }
+
+ return $this->tests;
+ }
+
+ /**
+ * Registers a Function.
+ *
+ * @param string $name The function name
+ * @param Twig_FunctionInterface $function A Twig_FunctionInterface instance
+ */
+ public function addFunction($name, Twig_FunctionInterface $function)
+ {
+ $this->staging['functions'][$name] = $function;
+ $this->functions = null;
+ }
+
+ /**
+ * Get a function by name.
+ *
+ * Subclasses may override this method and load functions differently;
+ * so no list of functions is available.
+ *
+ * @param string $name function name
+ *
+ * @return Twig_Function|false A Twig_Function instance or false if the function does not exists
+ */
+ public function getFunction($name)
+ {
+ if (null === $this->functions) {
+ $this->getFunctions();
+ }
+
+ if (isset($this->functions[$name])) {
+ return $this->functions[$name];
+ }
+
+ foreach ($this->functions as $pattern => $function) {
+ $pattern = str_replace('\\*', '(.*?)', preg_quote($pattern, '#'), $count);
+
+ if ($count) {
+ if (preg_match('#^'.$pattern.'$#', $name, $matches)) {
+ array_shift($matches);
+ $function->setArguments($matches);
+
+ return $function;
+ }
+ }
+ }
+
+ foreach ($this->functionCallbacks as $callback) {
+ if (false !== $function = call_user_func($callback, $name)) {
+ return $function;
+ }
+ }
+
+ return false;
+ }
+
+ public function registerUndefinedFunctionCallback($callable)
+ {
+ $this->functionCallbacks[] = $callable;
+ }
+
+ /**
+ * Gets registered functions.
+ *
+ * Be warned that this method cannot return functions defined with registerUndefinedFunctionCallback.
+ *
+ * @return Twig_FunctionInterface[] An array of Twig_FunctionInterface instances
+ *
+ * @see registerUndefinedFunctionCallback
+ */
+ public function getFunctions()
+ {
+ if (null === $this->functions) {
+ foreach ($this->getExtensions() as $extension) {
+ foreach ($extension->getFunctions() as $name => $function) {
+ $this->addFunction($name, $function);
+ }
+ }
+
+ $this->functions = $this->staging['functions'];
+ }
+
+ return $this->functions;
+ }
+
+ /**
+ * Registers a Global.
+ *
+ * @param string $name The global name
+ * @param mixed $value The global value
+ */
+ public function addGlobal($name, $value)
+ {
+ $this->staging['globals'][$name] = $value;
+ $this->globals = null;
+ }
+
+ /**
+ * Gets the registered Globals.
+ *
+ * @return array An array of globals
+ */
+ public function getGlobals()
+ {
+ if (null === $this->globals) {
+ $this->globals = isset($this->staging['globals']) ? $this->staging['globals'] : array();
+ foreach ($this->getExtensions() as $extension) {
+ $this->globals = array_merge($this->globals, $extension->getGlobals());
+ }
+ }
+
+ return $this->globals;
+ }
+
+ /**
+ * Merges a context with the defined globals.
+ *
+ * @param array $context An array representing the context
+ *
+ * @return array The context merged with the globals
+ */
+ public function mergeGlobals(array $context)
+ {
+ // we don't use array_merge as the context being generally
+ // bigger than globals, this code is faster.
+ foreach ($this->getGlobals() as $key => $value) {
+ if (!array_key_exists($key, $context)) {
+ $context[$key] = $value;
+ }
+ }
+
+ return $context;
+ }
+
+ /**
+ * Gets the registered unary Operators.
+ *
+ * @return array An array of unary operators
+ */
+ public function getUnaryOperators()
+ {
+ if (null === $this->unaryOperators) {
+ $this->initOperators();
+ }
+
+ return $this->unaryOperators;
+ }
+
+ /**
+ * Gets the registered binary Operators.
+ *
+ * @return array An array of binary operators
+ */
+ public function getBinaryOperators()
+ {
+ if (null === $this->binaryOperators) {
+ $this->initOperators();
+ }
+
+ return $this->binaryOperators;
+ }
+
+ public function computeAlternatives($name, $items)
+ {
+ $alternatives = array();
+ foreach ($items as $item) {
+ $lev = levenshtein($name, $item);
+ if ($lev <= strlen($name) / 3 || false !== strpos($item, $name)) {
+ $alternatives[$item] = $lev;
+ }
+ }
+ asort($alternatives);
+
+ return array_keys($alternatives);
+ }
+
+ protected function initOperators()
+ {
+ $this->unaryOperators = array();
+ $this->binaryOperators = array();
+ foreach ($this->getExtensions() as $extension) {
+ $operators = $extension->getOperators();
+
+ if (!$operators) {
+ continue;
+ }
+
+ if (2 !== count($operators)) {
+ throw new InvalidArgumentException(sprintf('"%s::getOperators()" does not return a valid operators array.', get_class($extension)));
+ }
+
+ $this->unaryOperators = array_merge($this->unaryOperators, $operators[0]);
+ $this->binaryOperators = array_merge($this->binaryOperators, $operators[1]);
+ }
+ }
+
+ protected function writeCacheFile($file, $content)
+ {
+ $dir = dirname($file);
+ if (!is_dir($dir)) {
+ if (false === @mkdir($dir, 0777, true) && !is_dir($dir)) {
+ throw new RuntimeException(sprintf("Unable to create the cache directory (%s).", $dir));
+ }
+ } elseif (!is_writable($dir)) {
+ throw new RuntimeException(sprintf("Unable to write in the cache directory (%s).", $dir));
+ }
+
+ $tmpFile = tempnam(dirname($file), basename($file));
+ if (false !== @file_put_contents($tmpFile, $content)) {
+ // rename does not work on Win32 before 5.2.6
+ if (@rename($tmpFile, $file) || (@copy($tmpFile, $file) && unlink($tmpFile))) {
+ @chmod($file, 0644);
+
+ return;
+ }
+ }
+
+ throw new Twig_Error_Runtime(sprintf('Failed to write cache file "%s".', $file));
+ }
+}
diff --git a/core/vendor/Twig/Error.php b/core/vendor/Twig/Error.php
new file mode 100644
index 0000000..4b74e40
--- /dev/null
+++ b/core/vendor/Twig/Error.php
@@ -0,0 +1,199 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Twig base exception.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Error extends Exception
+{
+ protected $lineno;
+ protected $filename;
+ protected $rawMessage;
+ protected $previous;
+
+ /**
+ * Constructor.
+ *
+ * @param string $message The error message
+ * @param integer $lineno The template line where the error occurred
+ * @param string $filename The template file name where the error occurred
+ * @param Exception $previous The previous exception
+ */
+ public function __construct($message, $lineno = -1, $filename = null, Exception $previous = null)
+ {
+ if (version_compare(PHP_VERSION, '5.3.0', '<')) {
+ $this->previous = $previous;
+ parent::__construct('');
+ } else {
+ parent::__construct('', 0, $previous);
+ }
+
+ $this->lineno = $lineno;
+ $this->filename = $filename;
+
+ if (-1 === $this->lineno || null === $this->filename) {
+ $this->guessTemplateInfo();
+ }
+
+ $this->rawMessage = $message;
+
+ $this->updateRepr();
+ }
+
+ /**
+ * Gets the raw message.
+ *
+ * @return string The raw message
+ */
+ public function getRawMessage()
+ {
+ return $this->rawMessage;
+ }
+
+ /**
+ * Gets the filename where the error occurred.
+ *
+ * @return string The filename
+ */
+ public function getTemplateFile()
+ {
+ return $this->filename;
+ }
+
+ /**
+ * Sets the filename where the error occurred.
+ *
+ * @param string $filename The filename
+ */
+ public function setTemplateFile($filename)
+ {
+ $this->filename = $filename;
+
+ $this->updateRepr();
+ }
+
+ /**
+ * Gets the template line where the error occurred.
+ *
+ * @return integer The template line
+ */
+ public function getTemplateLine()
+ {
+ return $this->lineno;
+ }
+
+ /**
+ * Sets the template line where the error occurred.
+ *
+ * @param integer $lineno The template line
+ */
+ public function setTemplateLine($lineno)
+ {
+ $this->lineno = $lineno;
+
+ $this->updateRepr();
+ }
+
+ /**
+ * For PHP < 5.3.0, provides access to the getPrevious() method.
+ *
+ * @param string $method The method name
+ * @param array $arguments The parameters to be passed to the method
+ *
+ * @return Exception The previous exception or null
+ */
+ public function __call($method, $arguments)
+ {
+ if ('getprevious' == strtolower($method)) {
+ return $this->previous;
+ }
+
+ throw new BadMethodCallException(sprintf('Method "Twig_Error::%s()" does not exist.', $method));
+ }
+
+ protected function updateRepr()
+ {
+ $this->message = $this->rawMessage;
+
+ $dot = false;
+ if ('.' === substr($this->message, -1)) {
+ $this->message = substr($this->message, 0, -1);
+ $dot = true;
+ }
+
+ if (null !== $this->filename) {
+ if (is_string($this->filename) || (is_object($this->filename) && method_exists($this->filename, '__toString'))) {
+ $filename = sprintf('"%s"', $this->filename);
+ } else {
+ $filename = json_encode($this->filename);
+ }
+ $this->message .= sprintf(' in %s', $filename);
+ }
+
+ if ($this->lineno >= 0) {
+ $this->message .= sprintf(' at line %d', $this->lineno);
+ }
+
+ if ($dot) {
+ $this->message .= '.';
+ }
+ }
+
+ protected function guessTemplateInfo()
+ {
+ $template = null;
+ foreach (debug_backtrace() as $trace) {
+ if (isset($trace['object']) && $trace['object'] instanceof Twig_Template && 'Twig_Template' !== get_class($trace['object'])) {
+ $template = $trace['object'];
+
+ // update template filename
+ if (null === $this->filename) {
+ $this->filename = $template->getTemplateName();
+ }
+
+ break;
+ }
+ }
+
+ if (null === $template || $this->lineno > -1) {
+ return;
+ }
+
+ $r = new ReflectionObject($template);
+ $file = $r->getFileName();
+
+ $exceptions = array($e = $this);
+ while (($e instanceof self || method_exists($e, 'getPrevious')) && $e = $e->getPrevious()) {
+ $exceptions[] = $e;
+ }
+
+ while ($e = array_pop($exceptions)) {
+ $traces = $e->getTrace();
+ while ($trace = array_shift($traces)) {
+ if (!isset($trace['file']) || !isset($trace['line']) || $file != $trace['file']) {
+ continue;
+ }
+
+ foreach ($template->getDebugInfo() as $codeLine => $templateLine) {
+ if ($codeLine <= $trace['line']) {
+ // update template line
+ $this->lineno = $templateLine;
+
+ return;
+ }
+ }
+ }
+ }
+ }
+}
diff --git a/core/vendor/Twig/Error/Loader.php b/core/vendor/Twig/Error/Loader.php
new file mode 100644
index 0000000..418a776
--- /dev/null
+++ b/core/vendor/Twig/Error/Loader.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Exception thrown when an error occurs during template loading.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Error_Loader extends Twig_Error
+{
+}
diff --git a/core/vendor/Twig/Error/Runtime.php b/core/vendor/Twig/Error/Runtime.php
new file mode 100644
index 0000000..8a387fa
--- /dev/null
+++ b/core/vendor/Twig/Error/Runtime.php
@@ -0,0 +1,21 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Exception thrown when an error occurs at runtime.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Error_Runtime extends Twig_Error
+{
+}
diff --git a/core/vendor/Twig/Error/Syntax.php b/core/vendor/Twig/Error/Syntax.php
new file mode 100644
index 0000000..a2650c3
--- /dev/null
+++ b/core/vendor/Twig/Error/Syntax.php
@@ -0,0 +1,21 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Exception thrown when a syntax error occurs during lexing or parsing of a template.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Error_Syntax extends Twig_Error
+{
+}
diff --git a/core/vendor/Twig/ExpressionParser.php b/core/vendor/Twig/ExpressionParser.php
new file mode 100644
index 0000000..0f35930
--- /dev/null
+++ b/core/vendor/Twig/ExpressionParser.php
@@ -0,0 +1,488 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Parses expressions.
+ *
+ * This parser implements a "Precedence climbing" algorithm.
+ *
+ * @see http://www.engr.mun.ca/~theo/Misc/exp_parsing.htm
+ * @see http://en.wikipedia.org/wiki/Operator-precedence_parser
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_ExpressionParser
+{
+ const OPERATOR_LEFT = 1;
+ const OPERATOR_RIGHT = 2;
+
+ protected $parser;
+ protected $unaryOperators;
+ protected $binaryOperators;
+
+ public function __construct(Twig_Parser $parser, array $unaryOperators, array $binaryOperators)
+ {
+ $this->parser = $parser;
+ $this->unaryOperators = $unaryOperators;
+ $this->binaryOperators = $binaryOperators;
+ }
+
+ public function parseExpression($precedence = 0)
+ {
+ $expr = $this->getPrimary();
+ $token = $this->parser->getCurrentToken();
+ while ($this->isBinary($token) && $this->binaryOperators[$token->getValue()]['precedence'] >= $precedence) {
+ $op = $this->binaryOperators[$token->getValue()];
+ $this->parser->getStream()->next();
+
+ if (isset($op['callable'])) {
+ $expr = call_user_func($op['callable'], $this->parser, $expr);
+ } else {
+ $expr1 = $this->parseExpression(self::OPERATOR_LEFT === $op['associativity'] ? $op['precedence'] + 1 : $op['precedence']);
+ $class = $op['class'];
+ $expr = new $class($expr, $expr1, $token->getLine());
+ }
+
+ $token = $this->parser->getCurrentToken();
+ }
+
+ if (0 === $precedence) {
+ return $this->parseConditionalExpression($expr);
+ }
+
+ return $expr;
+ }
+
+ protected function getPrimary()
+ {
+ $token = $this->parser->getCurrentToken();
+
+ if ($this->isUnary($token)) {
+ $operator = $this->unaryOperators[$token->getValue()];
+ $this->parser->getStream()->next();
+ $expr = $this->parseExpression($operator['precedence']);
+ $class = $operator['class'];
+
+ return $this->parsePostfixExpression(new $class($expr, $token->getLine()));
+ } elseif ($token->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
+ $this->parser->getStream()->next();
+ $expr = $this->parseExpression();
+ $this->parser->getStream()->expect(Twig_Token::PUNCTUATION_TYPE, ')', 'An opened parenthesis is not properly closed');
+
+ return $this->parsePostfixExpression($expr);
+ }
+
+ return $this->parsePrimaryExpression();
+ }
+
+ protected function parseConditionalExpression($expr)
+ {
+ while ($this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, '?')) {
+ $this->parser->getStream()->next();
+ $expr2 = $this->parseExpression();
+ $this->parser->getStream()->expect(Twig_Token::PUNCTUATION_TYPE, ':', 'The ternary operator must have a default value');
+ $expr3 = $this->parseExpression();
+
+ $expr = new Twig_Node_Expression_Conditional($expr, $expr2, $expr3, $this->parser->getCurrentToken()->getLine());
+ }
+
+ return $expr;
+ }
+
+ protected function isUnary(Twig_Token $token)
+ {
+ return $token->test(Twig_Token::OPERATOR_TYPE) && isset($this->unaryOperators[$token->getValue()]);
+ }
+
+ protected function isBinary(Twig_Token $token)
+ {
+ return $token->test(Twig_Token::OPERATOR_TYPE) && isset($this->binaryOperators[$token->getValue()]);
+ }
+
+ public function parsePrimaryExpression()
+ {
+ $token = $this->parser->getCurrentToken();
+ switch ($token->getType()) {
+ case Twig_Token::NAME_TYPE:
+ $this->parser->getStream()->next();
+ switch ($token->getValue()) {
+ case 'true':
+ case 'TRUE':
+ $node = new Twig_Node_Expression_Constant(true, $token->getLine());
+ break;
+
+ case 'false':
+ case 'FALSE':
+ $node = new Twig_Node_Expression_Constant(false, $token->getLine());
+ break;
+
+ case 'none':
+ case 'NONE':
+ case 'null':
+ case 'NULL':
+ $node = new Twig_Node_Expression_Constant(null, $token->getLine());
+ break;
+
+ default:
+ if ('(' === $this->parser->getCurrentToken()->getValue()) {
+ $node = $this->getFunctionNode($token->getValue(), $token->getLine());
+ } else {
+ $node = new Twig_Node_Expression_Name($token->getValue(), $token->getLine());
+ }
+ }
+ break;
+
+ case Twig_Token::NUMBER_TYPE:
+ $this->parser->getStream()->next();
+ $node = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
+ break;
+
+ case Twig_Token::STRING_TYPE:
+ case Twig_Token::INTERPOLATION_START_TYPE:
+ $node = $this->parseStringExpression();
+ break;
+
+ default:
+ if ($token->test(Twig_Token::PUNCTUATION_TYPE, '[')) {
+ $node = $this->parseArrayExpression();
+ } elseif ($token->test(Twig_Token::PUNCTUATION_TYPE, '{')) {
+ $node = $this->parseHashExpression();
+ } else {
+ throw new Twig_Error_Syntax(sprintf('Unexpected token "%s" of value "%s"', Twig_Token::typeToEnglish($token->getType(), $token->getLine()), $token->getValue()), $token->getLine());
+ }
+ }
+
+ return $this->parsePostfixExpression($node);
+ }
+
+ public function parseStringExpression()
+ {
+ $stream = $this->parser->getStream();
+
+ $nodes = array();
+ // a string cannot be followed by another string in a single expression
+ $nextCanBeString = true;
+ while (true) {
+ if ($stream->test(Twig_Token::STRING_TYPE) && $nextCanBeString) {
+ $token = $stream->next();
+ $nodes[] = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
+ $nextCanBeString = false;
+ } elseif ($stream->test(Twig_Token::INTERPOLATION_START_TYPE)) {
+ $stream->next();
+ $nodes[] = $this->parseExpression();
+ $stream->expect(Twig_Token::INTERPOLATION_END_TYPE);
+ $nextCanBeString = true;
+ } else {
+ break;
+ }
+ }
+
+ $expr = array_shift($nodes);
+ foreach ($nodes as $node) {
+ $expr = new Twig_Node_Expression_Binary_Concat($expr, $node, $node->getLine());
+ }
+
+ return $expr;
+ }
+
+ public function parseArrayExpression()
+ {
+ $stream = $this->parser->getStream();
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, '[', 'An array element was expected');
+
+ $node = new Twig_Node_Expression_Array(array(), $stream->getCurrent()->getLine());
+ $first = true;
+ while (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
+ if (!$first) {
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'An array element must be followed by a comma');
+
+ // trailing ,?
+ if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
+ break;
+ }
+ }
+ $first = false;
+
+ $node->addElement($this->parseExpression());
+ }
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ']', 'An opened array is not properly closed');
+
+ return $node;
+ }
+
+ public function parseHashExpression()
+ {
+ $stream = $this->parser->getStream();
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, '{', 'A hash element was expected');
+
+ $node = new Twig_Node_Expression_Array(array(), $stream->getCurrent()->getLine());
+ $first = true;
+ while (!$stream->test(Twig_Token::PUNCTUATION_TYPE, '}')) {
+ if (!$first) {
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'A hash value must be followed by a comma');
+
+ // trailing ,?
+ if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '}')) {
+ break;
+ }
+ }
+ $first = false;
+
+ // a hash key can be:
+ //
+ // * a number -- 12
+ // * a string -- 'a'
+ // * a name, which is equivalent to a string -- a
+ // * an expression, which must be enclosed in parentheses -- (1 + 2)
+ if ($stream->test(Twig_Token::STRING_TYPE) || $stream->test(Twig_Token::NAME_TYPE) || $stream->test(Twig_Token::NUMBER_TYPE)) {
+ $token = $stream->next();
+ $key = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
+ } elseif ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
+ $key = $this->parseExpression();
+ } else {
+ $current = $stream->getCurrent();
+
+ throw new Twig_Error_Syntax(sprintf('A hash key must be a quoted string, a number, a name, or an expression enclosed in parentheses (unexpected token "%s" of value "%s"', Twig_Token::typeToEnglish($current->getType(), $current->getLine()), $current->getValue()), $current->getLine());
+ }
+
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ':', 'A hash key must be followed by a colon (:)');
+ $value = $this->parseExpression();
+
+ $node->addElement($value, $key);
+ }
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, '}', 'An opened hash is not properly closed');
+
+ return $node;
+ }
+
+ public function parsePostfixExpression($node)
+ {
+ while (true) {
+ $token = $this->parser->getCurrentToken();
+ if ($token->getType() == Twig_Token::PUNCTUATION_TYPE) {
+ if ('.' == $token->getValue() || '[' == $token->getValue()) {
+ $node = $this->parseSubscriptExpression($node);
+ } elseif ('|' == $token->getValue()) {
+ $node = $this->parseFilterExpression($node);
+ } else {
+ break;
+ }
+ } else {
+ break;
+ }
+ }
+
+ return $node;
+ }
+
+ public function getFunctionNode($name, $line)
+ {
+ $args = $this->parseArguments();
+ switch ($name) {
+ case 'parent':
+ if (!count($this->parser->getBlockStack())) {
+ throw new Twig_Error_Syntax('Calling "parent" outside a block is forbidden', $line);
+ }
+
+ if (!$this->parser->getParent() && !$this->parser->hasTraits()) {
+ throw new Twig_Error_Syntax('Calling "parent" on a template that does not extend nor "use" another template is forbidden', $line);
+ }
+
+ return new Twig_Node_Expression_Parent($this->parser->peekBlockStack(), $line);
+ case 'block':
+ return new Twig_Node_Expression_BlockReference($args->getNode(0), false, $line);
+ case 'attribute':
+ if (count($args) < 2) {
+ throw new Twig_Error_Syntax('The "attribute" function takes at least two arguments (the variable and the attributes)', $line);
+ }
+
+ return new Twig_Node_Expression_GetAttr($args->getNode(0), $args->getNode(1), count($args) > 2 ? $args->getNode(2) : new Twig_Node_Expression_Array(array(), $line), Twig_TemplateInterface::ANY_CALL, $line);
+ default:
+ if (null !== $alias = $this->parser->getImportedFunction($name)) {
+ $arguments = new Twig_Node_Expression_Array(array(), $line);
+ foreach ($args as $n) {
+ $arguments->addElement($n);
+ }
+
+ $node = new Twig_Node_Expression_MethodCall($alias['node'], $alias['name'], $arguments, $line);
+ $node->setAttribute('safe', true);
+
+ return $node;
+ }
+
+ $class = $this->getFunctionNodeClass($name);
+
+ return new $class($name, $args, $line);
+ }
+ }
+
+ public function parseSubscriptExpression($node)
+ {
+ $stream = $this->parser->getStream();
+ $token = $stream->next();
+ $lineno = $token->getLine();
+ $arguments = new Twig_Node_Expression_Array(array(), $lineno);
+ $type = Twig_TemplateInterface::ANY_CALL;
+ if ($token->getValue() == '.') {
+ $token = $stream->next();
+ if (
+ $token->getType() == Twig_Token::NAME_TYPE
+ ||
+ $token->getType() == Twig_Token::NUMBER_TYPE
+ ||
+ ($token->getType() == Twig_Token::OPERATOR_TYPE && preg_match(Twig_Lexer::REGEX_NAME, $token->getValue()))
+ ) {
+ $arg = new Twig_Node_Expression_Constant($token->getValue(), $lineno);
+
+ if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
+ $type = Twig_TemplateInterface::METHOD_CALL;
+ foreach ($this->parseArguments() as $n) {
+ $arguments->addElement($n);
+ }
+ }
+ } else {
+ throw new Twig_Error_Syntax('Expected name or number', $lineno);
+ }
+ } else {
+ $type = Twig_TemplateInterface::ARRAY_CALL;
+
+ $arg = $this->parseExpression();
+
+ // slice?
+ if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ':')) {
+ $stream->next();
+
+ if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
+ $length = new Twig_Node_Expression_Constant(null, $token->getLine());
+ } else {
+ $length = $this->parseExpression();
+ }
+
+ $class = $this->getFilterNodeClass('slice');
+ $arguments = new Twig_Node(array($arg, $length));
+ $filter = new $class($node, new Twig_Node_Expression_Constant('slice', $token->getLine()), $arguments, $token->getLine());
+
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ']');
+
+ return $filter;
+ }
+
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ']');
+ }
+
+ return new Twig_Node_Expression_GetAttr($node, $arg, $arguments, $type, $lineno);
+ }
+
+ public function parseFilterExpression($node)
+ {
+ $this->parser->getStream()->next();
+
+ return $this->parseFilterExpressionRaw($node);
+ }
+
+ public function parseFilterExpressionRaw($node, $tag = null)
+ {
+ while (true) {
+ $token = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE);
+
+ $name = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
+ if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
+ $arguments = new Twig_Node();
+ } else {
+ $arguments = $this->parseArguments();
+ }
+
+ $class = $this->getFilterNodeClass($name->getAttribute('value'));
+
+ $node = new $class($node, $name, $arguments, $token->getLine(), $tag);
+
+ if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, '|')) {
+ break;
+ }
+
+ $this->parser->getStream()->next();
+ }
+
+ return $node;
+ }
+
+ public function parseArguments()
+ {
+ $args = array();
+ $stream = $this->parser->getStream();
+
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, '(', 'A list of arguments must be opened by a parenthesis');
+ while (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ')')) {
+ if (!empty($args)) {
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'Arguments must be separated by a comma');
+ }
+ $args[] = $this->parseExpression();
+ }
+ $stream->expect(Twig_Token::PUNCTUATION_TYPE, ')', 'A list of arguments must be closed by a parenthesis');
+
+ return new Twig_Node($args);
+ }
+
+ public function parseAssignmentExpression()
+ {
+ $targets = array();
+ while (true) {
+ $token = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE, null, 'Only variables can be assigned to');
+ if (in_array($token->getValue(), array('true', 'false', 'none'))) {
+ throw new Twig_Error_Syntax(sprintf('You cannot assign a value to "%s"', $token->getValue()), $token->getLine());
+ }
+ $targets[] = new Twig_Node_Expression_AssignName($token->getValue(), $token->getLine());
+
+ if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, ',')) {
+ break;
+ }
+ $this->parser->getStream()->next();
+ }
+
+ return new Twig_Node($targets);
+ }
+
+ public function parseMultitargetExpression()
+ {
+ $targets = array();
+ while (true) {
+ $targets[] = $this->parseExpression();
+ if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, ',')) {
+ break;
+ }
+ $this->parser->getStream()->next();
+ }
+
+ return new Twig_Node($targets);
+ }
+
+ protected function getFunctionNodeClass($name)
+ {
+ $functionMap = $this->parser->getEnvironment()->getFunctions();
+ if (isset($functionMap[$name]) && $functionMap[$name] instanceof Twig_Function_Node) {
+ return $functionMap[$name]->getClass();
+ }
+
+ return 'Twig_Node_Expression_Function';
+ }
+
+ protected function getFilterNodeClass($name)
+ {
+ $filterMap = $this->parser->getEnvironment()->getFilters();
+ if (isset($filterMap[$name]) && $filterMap[$name] instanceof Twig_Filter_Node) {
+ return $filterMap[$name]->getClass();
+ }
+
+ return 'Twig_Node_Expression_Filter';
+ }
+}
diff --git a/core/vendor/Twig/Extension.php b/core/vendor/Twig/Extension.php
new file mode 100644
index 0000000..931fc03
--- /dev/null
+++ b/core/vendor/Twig/Extension.php
@@ -0,0 +1,93 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+abstract class Twig_Extension implements Twig_ExtensionInterface
+{
+ /**
+ * Initializes the runtime environment.
+ *
+ * This is where you can load some file that contains filter functions for instance.
+ *
+ * @param Twig_Environment $environment The current Twig_Environment instance
+ */
+ public function initRuntime(Twig_Environment $environment)
+ {
+ }
+
+ /**
+ * Returns the token parser instances to add to the existing list.
+ *
+ * @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
+ */
+ public function getTokenParsers()
+ {
+ return array();
+ }
+
+ /**
+ * Returns the node visitor instances to add to the existing list.
+ *
+ * @return array An array of Twig_NodeVisitorInterface instances
+ */
+ public function getNodeVisitors()
+ {
+ return array();
+ }
+
+ /**
+ * Returns a list of filters to add to the existing list.
+ *
+ * @return array An array of filters
+ */
+ public function getFilters()
+ {
+ return array();
+ }
+
+ /**
+ * Returns a list of tests to add to the existing list.
+ *
+ * @return array An array of tests
+ */
+ public function getTests()
+ {
+ return array();
+ }
+
+ /**
+ * Returns a list of functions to add to the existing list.
+ *
+ * @return array An array of functions
+ */
+ public function getFunctions()
+ {
+ return array();
+ }
+
+ /**
+ * Returns a list of operators to add to the existing list.
+ *
+ * @return array An array of operators
+ */
+ public function getOperators()
+ {
+ return array();
+ }
+
+ /**
+ * Returns a list of global variables to add to the existing list.
+ *
+ * @return array An array of global variables
+ */
+ public function getGlobals()
+ {
+ return array();
+ }
+}
diff --git a/core/vendor/Twig/Extension/Core.php b/core/vendor/Twig/Extension/Core.php
new file mode 100644
index 0000000..27c80ce
--- /dev/null
+++ b/core/vendor/Twig/Extension/Core.php
@@ -0,0 +1,1039 @@
+<?php
+
+if (!defined('ENT_SUBSTITUTE')) {
+ define('ENT_SUBSTITUTE', 8);
+}
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Extension_Core extends Twig_Extension
+{
+ protected $dateFormats = array('F j, Y H:i', '%d days');
+ protected $numberFormat = array(0, '.', ',');
+ protected $timezone = null;
+
+ /**
+ * Sets the default format to be used by the date filter.
+ *
+ * @param string $format The default date format string
+ * @param string $dateIntervalFormat The default date interval format string
+ */
+ public function setDateFormat($format = null, $dateIntervalFormat = null)
+ {
+ if (null !== $format) {
+ $this->dateFormats[0] = $format;
+ }
+
+ if (null !== $dateIntervalFormat) {
+ $this->dateFormats[1] = $dateIntervalFormat;
+ }
+ }
+
+ /**
+ * Gets the default format to be used by the date filter.
+ *
+ * @return array The default date format string and the default date interval format string
+ */
+ public function getDateFormat()
+ {
+ return $this->dateFormats;
+ }
+
+ /**
+ * Sets the default timezone to be used by the date filter.
+ *
+ * @param DateTimeZone|string $timezone The default timezone string or a DateTimeZone object
+ */
+ public function setTimezone($timezone)
+ {
+ $this->timezone = $timezone instanceof DateTimeZone ? $timezone : new DateTimeZone($timezone);
+ }
+
+ /**
+ * Gets the default timezone to be used by the date filter.
+ *
+ * @return DateTimeZone The default timezone currently in use
+ */
+ public function getTimezone()
+ {
+ return $this->timezone;
+ }
+
+ /**
+ * Sets the default format to be used by the number_format filter.
+ *
+ * @param integer $decimal The number of decimal places to use.
+ * @param string $decimalPoint The character(s) to use for the decimal point.
+ * @param string $thousandSep The character(s) to use for the thousands separator.
+ */
+ public function setNumberFormat($decimal, $decimalPoint, $thousandSep)
+ {
+ $this->numberFormat = array($decimal, $decimalPoint, $thousandSep);
+ }
+
+ /**
+ * Get the default format used by the number_format filter.
+ *
+ * @return array The arguments for number_format()
+ */
+ public function getNumberFormat()
+ {
+ return $this->numberFormat;
+ }
+
+ /**
+ * Returns the token parser instance to add to the existing list.
+ *
+ * @return array An array of Twig_TokenParser instances
+ */
+ public function getTokenParsers()
+ {
+ return array(
+ new Twig_TokenParser_For(),
+ new Twig_TokenParser_If(),
+ new Twig_TokenParser_Extends(),
+ new Twig_TokenParser_Include(),
+ new Twig_TokenParser_Block(),
+ new Twig_TokenParser_Use(),
+ new Twig_TokenParser_Filter(),
+ new Twig_TokenParser_Macro(),
+ new Twig_TokenParser_Import(),
+ new Twig_TokenParser_From(),
+ new Twig_TokenParser_Set(),
+ new Twig_TokenParser_Spaceless(),
+ new Twig_TokenParser_Flush(),
+ new Twig_TokenParser_Do(),
+ new Twig_TokenParser_Embed(),
+ );
+ }
+
+ /**
+ * Returns a list of filters to add to the existing list.
+ *
+ * @return array An array of filters
+ */
+ public function getFilters()
+ {
+ $filters = array(
+ // formatting filters
+ 'date' => new Twig_Filter_Function('twig_date_format_filter', array('needs_environment' => true)),
+ 'format' => new Twig_Filter_Function('sprintf'),
+ 'replace' => new Twig_Filter_Function('strtr'),
+ 'number_format' => new Twig_Filter_Function('twig_number_format_filter', array('needs_environment' => true)),
+ 'abs' => new Twig_Filter_Function('abs'),
+
+ // encoding
+ 'url_encode' => new Twig_Filter_Function('twig_urlencode_filter'),
+ 'json_encode' => new Twig_Filter_Function('twig_jsonencode_filter'),
+ 'convert_encoding' => new Twig_Filter_Function('twig_convert_encoding'),
+
+ // string filters
+ 'title' => new Twig_Filter_Function('twig_title_string_filter', array('needs_environment' => true)),
+ 'capitalize' => new Twig_Filter_Function('twig_capitalize_string_filter', array('needs_environment' => true)),
+ 'upper' => new Twig_Filter_Function('strtoupper'),
+ 'lower' => new Twig_Filter_Function('strtolower'),
+ 'striptags' => new Twig_Filter_Function('strip_tags'),
+ 'trim' => new Twig_Filter_Function('trim'),
+ 'nl2br' => new Twig_Filter_Function('nl2br', array('pre_escape' => 'html', 'is_safe' => array('html'))),
+
+ // array helpers
+ 'join' => new Twig_Filter_Function('twig_join_filter'),
+ 'sort' => new Twig_Filter_Function('twig_sort_filter'),
+ 'merge' => new Twig_Filter_Function('twig_array_merge'),
+
+ // string/array filters
+ 'reverse' => new Twig_Filter_Function('twig_reverse_filter', array('needs_environment' => true)),
+ 'length' => new Twig_Filter_Function('twig_length_filter', array('needs_environment' => true)),
+ 'slice' => new Twig_Filter_Function('twig_slice', array('needs_environment' => true)),
+
+ // iteration and runtime
+ 'default' => new Twig_Filter_Node('Twig_Node_Expression_Filter_Default'),
+ '_default' => new Twig_Filter_Function('_twig_default_filter'),
+
+ 'keys' => new Twig_Filter_Function('twig_get_array_keys_filter'),
+
+ // escaping
+ 'escape' => new Twig_Filter_Function('twig_escape_filter', array('needs_environment' => true, 'is_safe_callback' => 'twig_escape_filter_is_safe')),
+ 'e' => new Twig_Filter_Function('twig_escape_filter', array('needs_environment' => true, 'is_safe_callback' => 'twig_escape_filter_is_safe')),
+ );
+
+ if (function_exists('mb_get_info')) {
+ $filters['upper'] = new Twig_Filter_Function('twig_upper_filter', array('needs_environment' => true));
+ $filters['lower'] = new Twig_Filter_Function('twig_lower_filter', array('needs_environment' => true));
+ }
+
+ return $filters;
+ }
+
+ /**
+ * Returns a list of global functions to add to the existing list.
+ *
+ * @return array An array of global functions
+ */
+ public function getFunctions()
+ {
+ return array(
+ 'range' => new Twig_Function_Function('range'),
+ 'constant' => new Twig_Function_Function('constant'),
+ 'cycle' => new Twig_Function_Function('twig_cycle'),
+ 'random' => new Twig_Function_Function('twig_random', array('needs_environment' => true)),
+ 'date' => new Twig_Function_Function('twig_date_converter', array('needs_environment' => true)),
+ );
+ }
+
+ /**
+ * Returns a list of tests to add to the existing list.
+ *
+ * @return array An array of tests
+ */
+ public function getTests()
+ {
+ return array(
+ 'even' => new Twig_Test_Node('Twig_Node_Expression_Test_Even'),
+ 'odd' => new Twig_Test_Node('Twig_Node_Expression_Test_Odd'),
+ 'defined' => new Twig_Test_Node('Twig_Node_Expression_Test_Defined'),
+ 'sameas' => new Twig_Test_Node('Twig_Node_Expression_Test_Sameas'),
+ 'none' => new Twig_Test_Node('Twig_Node_Expression_Test_Null'),
+ 'null' => new Twig_Test_Node('Twig_Node_Expression_Test_Null'),
+ 'divisibleby' => new Twig_Test_Node('Twig_Node_Expression_Test_Divisibleby'),
+ 'constant' => new Twig_Test_Node('Twig_Node_Expression_Test_Constant'),
+ 'empty' => new Twig_Test_Function('twig_test_empty'),
+ 'iterable' => new Twig_Test_Function('twig_test_iterable'),
+ );
+ }
+
+ /**
+ * Returns a list of operators to add to the existing list.
+ *
+ * @return array An array of operators
+ */
+ public function getOperators()
+ {
+ return array(
+ array(
+ 'not' => array('precedence' => 50, 'class' => 'Twig_Node_Expression_Unary_Not'),
+ '-' => array('precedence' => 500, 'class' => 'Twig_Node_Expression_Unary_Neg'),
+ '+' => array('precedence' => 500, 'class' => 'Twig_Node_Expression_Unary_Pos'),
+ ),
+ array(
+ 'b-and' => array('precedence' => 5, 'class' => 'Twig_Node_Expression_Binary_BitwiseAnd', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'b-xor' => array('precedence' => 5, 'class' => 'Twig_Node_Expression_Binary_BitwiseXor', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'b-or' => array('precedence' => 5, 'class' => 'Twig_Node_Expression_Binary_BitwiseOr', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'or' => array('precedence' => 10, 'class' => 'Twig_Node_Expression_Binary_Or', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'and' => array('precedence' => 15, 'class' => 'Twig_Node_Expression_Binary_And', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '==' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Equal', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '!=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_NotEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '<' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Less', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '>' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Greater', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '>=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_GreaterEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '<=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_LessEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'not in' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_NotIn', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'in' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_In', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '..' => array('precedence' => 25, 'class' => 'Twig_Node_Expression_Binary_Range', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '+' => array('precedence' => 30, 'class' => 'Twig_Node_Expression_Binary_Add', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '-' => array('precedence' => 30, 'class' => 'Twig_Node_Expression_Binary_Sub', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '~' => array('precedence' => 40, 'class' => 'Twig_Node_Expression_Binary_Concat', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '*' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Mul', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '/' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Div', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '//' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_FloorDiv', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '%' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Mod', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'is' => array('precedence' => 100, 'callable' => array($this, 'parseTestExpression'), 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ 'is not' => array('precedence' => 100, 'callable' => array($this, 'parseNotTestExpression'), 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+ '**' => array('precedence' => 200, 'class' => 'Twig_Node_Expression_Binary_Power', 'associativity' => Twig_ExpressionParser::OPERATOR_RIGHT),
+ ),
+ );
+ }
+
+ public function parseNotTestExpression(Twig_Parser $parser, $node)
+ {
+ return new Twig_Node_Expression_Unary_Not($this->parseTestExpression($parser, $node), $parser->getCurrentToken()->getLine());
+ }
+
+ public function parseTestExpression(Twig_Parser $parser, $node)
+ {
+ $stream = $parser->getStream();
+ $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+ $arguments = null;
+ if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
+ $arguments = $parser->getExpressionParser()->parseArguments();
+ }
+
+ $class = $this->getTestNodeClass($parser->getEnvironment(), $name);
+
+ return new $class($node, $name, $arguments, $parser->getCurrentToken()->getLine());
+ }
+
+ protected function getTestNodeClass(Twig_Environment $env, $name)
+ {
+ $testMap = $env->getTests();
+ if (isset($testMap[$name]) && $testMap[$name] instanceof Twig_Test_Node) {
+ return $testMap[$name]->getClass();
+ }
+
+ return 'Twig_Node_Expression_Test';
+ }
+
+ /**
+ * Returns the name of the extension.
+ *
+ * @return string The extension name
+ */
+ public function getName()
+ {
+ return 'core';
+ }
+}
+
+/**
+ * Cycles over a value.
+ *
+ * @param ArrayAccess|array $values An array or an ArrayAccess instance
+ * @param integer $i The cycle value
+ *
+ * @return string The next value in the cycle
+ */
+function twig_cycle($values, $i)
+{
+ if (!is_array($values) && !$values instanceof ArrayAccess) {
+ return $values;
+ }
+
+ return $values[$i % count($values)];
+}
+
+/**
+ * Returns a random value depending on the supplied parameter type:
+ * - a random item from a Traversable or array
+ * - a random character from a string
+ * - a random integer between 0 and the integer parameter
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param Traversable|array|int|string $values The values to pick a random item from
+ *
+ * @throws Twig_Error_Runtime When $values is an empty array (does not apply to an empty string which is returned as is).
+ *
+ * @return mixed A random value from the given sequence
+ */
+function twig_random(Twig_Environment $env, $values = null)
+{
+ if (null === $values) {
+ return mt_rand();
+ }
+
+ if (is_int($values) || is_float($values)) {
+ return $values < 0 ? mt_rand($values, 0) : mt_rand(0, $values);
+ }
+
+ if ($values instanceof Traversable) {
+ $values = iterator_to_array($values);
+ } elseif (is_string($values)) {
+ if ('' === $values) {
+ return '';
+ }
+ if (null !== $charset = $env->getCharset()) {
+ if ('UTF-8' != $charset) {
+ $values = twig_convert_encoding($values, 'UTF-8', $charset);
+ }
+
+ // unicode version of str_split()
+ // split at all positions, but not after the start and not before the end
+ $values = preg_split('/(?<!^)(?!$)/u', $values);
+
+ if ('UTF-8' != $charset) {
+ foreach ($values as $i => $value) {
+ $values[$i] = twig_convert_encoding($value, $charset, 'UTF-8');
+ }
+ }
+ } else {
+ return $values[mt_rand(0, strlen($values) - 1)];
+ }
+ }
+
+ if (!is_array($values)) {
+ return $values;
+ }
+
+ if (0 === count($values)) {
+ throw new Twig_Error_Runtime('The random function cannot pick from an empty array.');
+ }
+
+ return $values[array_rand($values, 1)];
+}
+
+/**
+ * Converts a date to the given format.
+ *
+ * <pre>
+ * {{ post.published_at|date("m/d/Y") }}
+ * </pre>
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param DateTime|DateInterval|string $date A date
+ * @param string $format A format
+ * @param DateTimeZone|string $timezone A timezone
+ *
+ * @return string The formatter date
+ */
+function twig_date_format_filter(Twig_Environment $env, $date, $format = null, $timezone = null)
+{
+ if (null === $format) {
+ $formats = $env->getExtension('core')->getDateFormat();
+ $format = $date instanceof DateInterval ? $formats[1] : $formats[0];
+ }
+
+ if ($date instanceof DateInterval || $date instanceof DateTime) {
+ if (null !== $timezone) {
+ $date = clone $date;
+ $date->setTimezone($timezone instanceof DateTimeZone ? $timezone : new DateTimeZone($timezone));
+ }
+
+ return $date->format($format);
+ }
+
+ return twig_date_converter($env, $date, $timezone)->format($format);
+}
+
+/**
+ * Converts an input to a DateTime instance.
+ *
+ * <pre>
+ * {% if date(user.created_at) < date('+2days') %}
+ * {# do something #}
+ * {% endif %}
+ * </pre>
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param DateTime|string $date A date
+ * @param DateTimeZone|string $timezone A timezone
+ *
+ * @return DateTime A DateTime instance
+ */
+function twig_date_converter(Twig_Environment $env, $date = null, $timezone = null)
+{
+ if (!$date instanceof DateTime) {
+ $asString = (string) $date;
+
+ if (ctype_digit($asString) || (!empty($asString) && '-' === $asString[0] && ctype_digit(substr($asString, 1)))) {
+ $date = new DateTime('@'.$date);
+ } else {
+ $date = new DateTime($date);
+ }
+ } else {
+ $date = clone $date;
+ }
+
+ // set Timezone
+ if (null !== $timezone) {
+ if ($timezone instanceof DateTimeZone) {
+ $date->setTimezone($timezone);
+ } else {
+ $date->setTimezone(new DateTimeZone($timezone));
+ }
+ } elseif (($timezone = $env->getExtension('core')->getTimezone()) instanceof DateTimeZone) {
+ $date->setTimezone($timezone);
+ } else {
+ $date->setTimezone(new DateTimeZone(date_default_timezone_get()));
+ }
+
+ return $date;
+}
+
+/**
+ * Number format filter.
+ *
+ * All of the formatting options can be left null, in that case the defaults will
+ * be used. Supplying any of the parameters will override the defaults set in the
+ * environment object.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param mixed $number A float/int/string of the number to format
+ * @param int $decimal The number of decimal points to display.
+ * @param string $decimalPoint The character(s) to use for the decimal point.
+ * @param string $thousandSep The character(s) to use for the thousands separator.
+ *
+ * @return string The formatted number
+ */
+function twig_number_format_filter(Twig_Environment $env, $number, $decimal = null, $decimalPoint = null, $thousandSep = null)
+{
+ $defaults = $env->getExtension('core')->getNumberFormat();
+ if (null === $decimal) {
+ $decimal = $defaults[0];
+ }
+
+ if (null === $decimalPoint) {
+ $decimalPoint = $defaults[1];
+ }
+
+ if (null === $thousandSep) {
+ $thousandSep = $defaults[2];
+ }
+
+ return number_format((float) $number, $decimal, $decimalPoint, $thousandSep);
+}
+
+/**
+ * URL encodes a string.
+ *
+ * @param string $url A URL
+ * @param bool $raw true to use rawurlencode() instead of urlencode
+ *
+ * @return string The URL encoded value
+ */
+function twig_urlencode_filter($url, $raw = false)
+{
+ if ($raw) {
+ return rawurlencode($url);
+ }
+
+ return urlencode($url);
+}
+
+if (version_compare(PHP_VERSION, '5.3.0', '<')) {
+ /**
+ * JSON encodes a variable.
+ *
+ * @param mixed $value The value to encode.
+ * @param integer $options Not used on PHP 5.2.x
+ *
+ * @return mixed The JSON encoded value
+ */
+ function twig_jsonencode_filter($value, $options = 0)
+ {
+ if ($value instanceof Twig_Markup) {
+ $value = (string) $value;
+ } elseif (is_array($value)) {
+ array_walk_recursive($value, '_twig_markup2string');
+ }
+
+ return json_encode($value);
+ }
+} else {
+ /**
+ * JSON encodes a variable.
+ *
+ * @param mixed $value The value to encode.
+ * @param integer $options Bitmask consisting of JSON_HEX_QUOT, JSON_HEX_TAG, JSON_HEX_AMP, JSON_HEX_APOS, JSON_NUMERIC_CHECK, JSON_PRETTY_PRINT, JSON_UNESCAPED_SLASHES, JSON_FORCE_OBJECT
+ *
+ * @return mixed The JSON encoded value
+ */
+ function twig_jsonencode_filter($value, $options = 0)
+ {
+ if ($value instanceof Twig_Markup) {
+ $value = (string) $value;
+ } elseif (is_array($value)) {
+ array_walk_recursive($value, '_twig_markup2string');
+ }
+
+ return json_encode($value, $options);
+ }
+}
+
+function _twig_markup2string(&$value)
+{
+ if ($value instanceof Twig_Markup) {
+ $value = (string) $value;
+ }
+}
+
+/**
+ * Merges an array with another one.
+ *
+ * <pre>
+ * {% set items = { 'apple': 'fruit', 'orange': 'fruit' } %}
+ *
+ * {% set items = items|merge({ 'peugeot': 'car' }) %}
+ *
+ * {# items now contains { 'apple': 'fruit', 'orange': 'fruit', 'peugeot': 'car' } #}
+ * </pre>
+ *
+ * @param array $arr1 An array
+ * @param array $arr2 An array
+ *
+ * @return array The merged array
+ */
+function twig_array_merge($arr1, $arr2)
+{
+ if (!is_array($arr1) || !is_array($arr2)) {
+ throw new Twig_Error_Runtime('The merge filter only works with arrays or hashes.');
+ }
+
+ return array_merge($arr1, $arr2);
+}
+
+/**
+ * Slices a variable.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param mixed $item A variable
+ * @param integer $start Start of the slice
+ * @param integer $length Size of the slice
+ * @param Boolean $preserveKeys Whether to preserve key or not (when the input is an array)
+ *
+ * @return mixed The sliced variable
+ */
+function twig_slice(Twig_Environment $env, $item, $start, $length = null, $preserveKeys = false)
+{
+ if ($item instanceof Traversable) {
+ $item = iterator_to_array($item, false);
+ }
+
+ if (is_array($item)) {
+ return array_slice($item, $start, $length, $preserveKeys);
+ }
+
+ $item = (string) $item;
+
+ if (function_exists('mb_get_info') && null !== $charset = $env->getCharset()) {
+ return mb_substr($item, $start, null === $length ? mb_strlen($item, $charset) - $start : $length, $charset);
+ }
+
+ return null === $length ? substr($item, $start) : substr($item, $start, $length);
+}
+
+/**
+ * Joins the values to a string.
+ *
+ * The separator between elements is an empty string per default, you can define it with the optional parameter.
+ *
+ * <pre>
+ * {{ [1, 2, 3]|join('|') }}
+ * {# returns 1|2|3 #}
+ *
+ * {{ [1, 2, 3]|join }}
+ * {# returns 123 #}
+ * </pre>
+ *
+ * @param array $value An array
+ * @param string $glue The separator
+ *
+ * @return string The concatenated string
+ */
+function twig_join_filter($value, $glue = '')
+{
+ if ($value instanceof Traversable) {
+ $value = iterator_to_array($value, false);
+ }
+
+ return implode($glue, (array) $value);
+}
+
+// The '_default' filter is used internally to avoid using the ternary operator
+// which costs a lot for big contexts (before PHP 5.4). So, on average,
+// a function call is cheaper.
+function _twig_default_filter($value, $default = '')
+{
+ if (twig_test_empty($value)) {
+ return $default;
+ }
+
+ return $value;
+}
+
+/**
+ * Returns the keys for the given array.
+ *
+ * It is useful when you want to iterate over the keys of an array:
+ *
+ * <pre>
+ * {% for key in array|keys %}
+ * {# ... #}
+ * {% endfor %}
+ * </pre>
+ *
+ * @param array $array An array
+ *
+ * @return array The keys
+ */
+function twig_get_array_keys_filter($array)
+{
+ if (is_object($array) && $array instanceof Traversable) {
+ return array_keys(iterator_to_array($array));
+ }
+
+ if (!is_array($array)) {
+ return array();
+ }
+
+ return array_keys($array);
+}
+
+/**
+ * Reverses a variable.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param array|Traversable|string $item An array, a Traversable instance, or a string
+ * @param Boolean $preserveKeys Whether to preserve key or not
+ *
+ * @return mixed The reversed input
+ */
+function twig_reverse_filter(Twig_Environment $env, $item, $preserveKeys = false)
+{
+ if (is_object($item) && $item instanceof Traversable) {
+ return array_reverse(iterator_to_array($item), $preserveKeys);
+ }
+
+ if (is_array($item)) {
+ return array_reverse($item, $preserveKeys);
+ }
+
+ if (null !== $charset = $env->getCharset()) {
+ $string = (string) $item;
+
+ if ('UTF-8' != $charset) {
+ $item = twig_convert_encoding($string, 'UTF-8', $charset);
+ }
+
+ preg_match_all('/./us', $item, $matches);
+
+ $string = implode('', array_reverse($matches[0]));
+
+ if ('UTF-8' != $charset) {
+ $string = twig_convert_encoding($string, $charset, 'UTF-8');
+ }
+
+ return $string;
+ }
+
+ return strrev((string) $item);
+}
+
+/**
+ * Sorts an array.
+ *
+ * @param array $array An array
+ */
+function twig_sort_filter($array)
+{
+ asort($array);
+
+ return $array;
+}
+
+/* used internally */
+function twig_in_filter($value, $compare)
+{
+ if (is_array($compare)) {
+ return in_array($value, $compare);
+ } elseif (is_string($compare)) {
+ if (!strlen((string) $value)) {
+ return empty($compare);
+ }
+
+ return false !== strpos($compare, (string) $value);
+ } elseif (is_object($compare) && $compare instanceof Traversable) {
+ return in_array($value, iterator_to_array($compare, false));
+ }
+
+ return false;
+}
+
+/**
+ * Escapes a string.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string The value to be escaped
+ * @param string $strategy The escaping strategy
+ * @param string $charset The charset
+ * @param Boolean $autoescape Whether the function is called by the auto-escaping feature (true) or by the developer (false)
+ */
+function twig_escape_filter(Twig_Environment $env, $string, $strategy = 'html', $charset = null, $autoescape = false)
+{
+ if ($autoescape && is_object($string) && $string instanceof Twig_Markup) {
+ return $string;
+ }
+
+ if (!is_string($string) && !(is_object($string) && method_exists($string, '__toString'))) {
+ return $string;
+ }
+
+ if (null === $charset) {
+ $charset = $env->getCharset();
+ }
+
+ $string = (string) $string;
+
+ switch ($strategy) {
+ case 'js':
+ // escape all non-alphanumeric characters
+ // into their \xHH or \uHHHH representations
+ if ('UTF-8' != $charset) {
+ $string = twig_convert_encoding($string, 'UTF-8', $charset);
+ }
+
+ if (null === $string = preg_replace_callback('#[^\p{L}\p{N} ]#u', '_twig_escape_js_callback', $string)) {
+ throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.');
+ }
+
+ if ('UTF-8' != $charset) {
+ $string = twig_convert_encoding($string, $charset, 'UTF-8');
+ }
+
+ return $string;
+
+ case 'html':
+ // see http://php.net/htmlspecialchars
+
+ // Using a static variable to avoid initializing the array
+ // each time the function is called. Moving the declaration on the
+ // top of the function slow downs other escaping strategies.
+ static $htmlspecialcharsCharsets = array(
+ 'iso-8859-1' => true, 'iso8859-1' => true,
+ 'iso-8859-15' => true, 'iso8859-15' => true,
+ 'utf-8' => true,
+ 'cp866' => true, 'ibm866' => true, '866' => true,
+ 'cp1251' => true, 'windows-1251' => true, 'win-1251' => true,
+ '1251' => true,
+ 'cp1252' => true, 'windows-1252' => true, '1252' => true,
+ 'koi8-r' => true, 'koi8-ru' => true, 'koi8r' => true,
+ 'big5' => true, '950' => true,
+ 'gb2312' => true, '936' => true,
+ 'big5-hkscs' => true,
+ 'shift_jis' => true, 'sjis' => true, '932' => true,
+ 'euc-jp' => true, 'eucjp' => true,
+ 'iso8859-5' => true, 'iso-8859-5' => true, 'macroman' => true,
+ );
+
+ if (isset($htmlspecialcharsCharsets[strtolower($charset)])) {
+ return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, $charset);
+ }
+
+ $string = twig_convert_encoding($string, 'UTF-8', $charset);
+ $string = htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
+
+ return twig_convert_encoding($string, $charset, 'UTF-8');
+
+ default:
+ throw new Twig_Error_Runtime(sprintf('Invalid escaping strategy "%s" (valid ones: html, js).', $strategy));
+ }
+}
+
+/* used internally */
+function twig_escape_filter_is_safe(Twig_Node $filterArgs)
+{
+ foreach ($filterArgs as $arg) {
+ if ($arg instanceof Twig_Node_Expression_Constant) {
+ return array($arg->getAttribute('value'));
+ }
+
+ return array();
+ }
+
+ return array('html');
+}
+
+if (function_exists('mb_convert_encoding')) {
+ function twig_convert_encoding($string, $to, $from)
+ {
+ return mb_convert_encoding($string, $to, $from);
+ }
+} elseif (function_exists('iconv')) {
+ function twig_convert_encoding($string, $to, $from)
+ {
+ return iconv($from, $to, $string);
+ }
+} else {
+ function twig_convert_encoding($string, $to, $from)
+ {
+ throw new Twig_Error_Runtime('No suitable convert encoding function (use UTF-8 as your encoding or install the iconv or mbstring extension).');
+ }
+}
+
+function _twig_escape_js_callback($matches)
+{
+ $char = $matches[0];
+
+ // \xHH
+ if (!isset($char[1])) {
+ return '\\x'.substr('00'.bin2hex($char), -2);
+ }
+
+ // \uHHHH
+ $char = twig_convert_encoding($char, 'UTF-16BE', 'UTF-8');
+
+ return '\\u'.substr('0000'.bin2hex($char), -4);
+}
+
+// add multibyte extensions if possible
+if (function_exists('mb_get_info')) {
+ /**
+ * Returns the length of a variable.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param mixed $thing A variable
+ *
+ * @return integer The length of the value
+ */
+ function twig_length_filter(Twig_Environment $env, $thing)
+ {
+ return is_scalar($thing) ? mb_strlen($thing, $env->getCharset()) : count($thing);
+ }
+
+ /**
+ * Converts a string to uppercase.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string A string
+ *
+ * @return string The uppercased string
+ */
+ function twig_upper_filter(Twig_Environment $env, $string)
+ {
+ if (null !== ($charset = $env->getCharset())) {
+ return mb_strtoupper($string, $charset);
+ }
+
+ return strtoupper($string);
+ }
+
+ /**
+ * Converts a string to lowercase.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string A string
+ *
+ * @return string The lowercased string
+ */
+ function twig_lower_filter(Twig_Environment $env, $string)
+ {
+ if (null !== ($charset = $env->getCharset())) {
+ return mb_strtolower($string, $charset);
+ }
+
+ return strtolower($string);
+ }
+
+ /**
+ * Returns a titlecased string.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string A string
+ *
+ * @return string The titlecased string
+ */
+ function twig_title_string_filter(Twig_Environment $env, $string)
+ {
+ if (null !== ($charset = $env->getCharset())) {
+ return mb_convert_case($string, MB_CASE_TITLE, $charset);
+ }
+
+ return ucwords(strtolower($string));
+ }
+
+ /**
+ * Returns a capitalized string.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string A string
+ *
+ * @return string The capitalized string
+ */
+ function twig_capitalize_string_filter(Twig_Environment $env, $string)
+ {
+ if (null !== ($charset = $env->getCharset())) {
+ return mb_strtoupper(mb_substr($string, 0, 1, $charset), $charset).
+ mb_strtolower(mb_substr($string, 1, mb_strlen($string, $charset), $charset), $charset);
+ }
+
+ return ucfirst(strtolower($string));
+ }
+}
+// and byte fallback
+else
+{
+ /**
+ * Returns the length of a variable.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param mixed $thing A variable
+ *
+ * @return integer The length of the value
+ */
+ function twig_length_filter(Twig_Environment $env, $thing)
+ {
+ return is_scalar($thing) ? strlen($thing) : count($thing);
+ }
+
+ /**
+ * Returns a titlecased string.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string A string
+ *
+ * @return string The titlecased string
+ */
+ function twig_title_string_filter(Twig_Environment $env, $string)
+ {
+ return ucwords(strtolower($string));
+ }
+
+ /**
+ * Returns a capitalized string.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string A string
+ *
+ * @return string The capitalized string
+ */
+ function twig_capitalize_string_filter(Twig_Environment $env, $string)
+ {
+ return ucfirst(strtolower($string));
+ }
+}
+
+/* used internally */
+function twig_ensure_traversable($seq)
+{
+ if ($seq instanceof Traversable || is_array($seq)) {
+ return $seq;
+ }
+
+ return array();
+}
+
+/**
+ * Checks if a variable is empty.
+ *
+ * <pre>
+ * {# evaluates to true if the foo variable is null, false, or the empty string #}
+ * {% if foo is empty %}
+ * {# ... #}
+ * {% endif %}
+ * </pre>
+ *
+ * @param mixed $value A variable
+ *
+ * @return Boolean true if the value is empty, false otherwise
+ */
+function twig_test_empty($value)
+{
+ if ($value instanceof Countable) {
+ return 0 == count($value);
+ }
+
+ return false === $value || (empty($value) && '0' != $value);
+}
+
+/**
+ * Checks if a variable is traversable.
+ *
+ * <pre>
+ * {# evaluates to true if the foo variable is an array or a traversable object #}
+ * {% if foo is traversable %}
+ * {# ... #}
+ * {% endif %}
+ * </pre>
+ *
+ * @param mixed $value A variable
+ *
+ * @return Boolean true if the value is traversable
+ */
+function twig_test_iterable($value)
+{
+ return $value instanceof Traversable || is_array($value);
+}
diff --git a/core/vendor/Twig/Extension/Debug.php b/core/vendor/Twig/Extension/Debug.php
new file mode 100644
index 0000000..8059df0
--- /dev/null
+++ b/core/vendor/Twig/Extension/Debug.php
@@ -0,0 +1,70 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Extension_Debug extends Twig_Extension
+{
+ /**
+ * Returns a list of global functions to add to the existing list.
+ *
+ * @return array An array of global functions
+ */
+ public function getFunctions()
+ {
+ // dump is safe if var_dump is overriden by xdebug
+ $isDumpOutputHtmlSafe = extension_loaded('xdebug')
+ // false means that it was not set (and the default is on) or it explicitly enabled
+ && (false === ini_get('xdebug.overload_var_dump') || ini_get('xdebug.overload_var_dump'))
+ // false means that it was not set (and the default is on) or it explicitly enabled
+ // xdebug.overload_var_dump produces HTML only when html_errors is also enabled
+ && (false === ini_get('html_errors') || ini_get('html_errors'))
+ ;
+
+ return array(
+ 'dump' => new Twig_Function_Function('twig_var_dump', array('is_safe' => $isDumpOutputHtmlSafe ? array('html') : array(), 'needs_context' => true, 'needs_environment' => true)),
+ );
+ }
+
+ /**
+ * Returns the name of the extension.
+ *
+ * @return string The extension name
+ */
+ public function getName()
+ {
+ return 'debug';
+ }
+}
+
+function twig_var_dump(Twig_Environment $env, $context)
+{
+ if (!$env->isDebug()) {
+ return;
+ }
+
+ ob_start();
+
+ $count = func_num_args();
+ if (2 === $count) {
+ $vars = array();
+ foreach ($context as $key => $value) {
+ if (!$value instanceof Twig_Template) {
+ $vars[$key] = $value;
+ }
+ }
+
+ var_dump($vars);
+ } else {
+ for ($i = 2; $i < $count; $i++) {
+ var_dump(func_get_arg($i));
+ }
+ }
+
+ return ob_get_clean();
+}
diff --git a/core/vendor/Twig/Extension/Escaper.php b/core/vendor/Twig/Extension/Escaper.php
new file mode 100644
index 0000000..b0aa8b1
--- /dev/null
+++ b/core/vendor/Twig/Extension/Escaper.php
@@ -0,0 +1,106 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Extension_Escaper extends Twig_Extension
+{
+ protected $defaultStrategy;
+
+ public function __construct($defaultStrategy = 'html')
+ {
+ $this->setDefaultStrategy($defaultStrategy);
+ }
+
+ /**
+ * Returns the token parser instances to add to the existing list.
+ *
+ * @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
+ */
+ public function getTokenParsers()
+ {
+ return array(new Twig_TokenParser_AutoEscape());
+ }
+
+ /**
+ * Returns the node visitor instances to add to the existing list.
+ *
+ * @return array An array of Twig_NodeVisitorInterface instances
+ */
+ public function getNodeVisitors()
+ {
+ return array(new Twig_NodeVisitor_Escaper());
+ }
+
+ /**
+ * Returns a list of filters to add to the existing list.
+ *
+ * @return array An array of filters
+ */
+ public function getFilters()
+ {
+ return array(
+ 'raw' => new Twig_Filter_Function('twig_raw_filter', array('is_safe' => array('all'))),
+ );
+ }
+
+ /**
+ * Sets the default strategy to use when not defined by the user.
+ *
+ * The strategy can be a valid PHP callback that takes the template
+ * "filename" as an argument and returns the strategy to use.
+ *
+ * @param mixed $defaultStrategy An escaping strategy
+ */
+ public function setDefaultStrategy($defaultStrategy)
+ {
+ // for BC
+ if (true === $defaultStrategy) {
+ $defaultStrategy = 'html';
+ }
+
+ $this->defaultStrategy = $defaultStrategy;
+ }
+
+ /**
+ * Gets the default strategy to use when not defined by the user.
+ *
+ * @param string $filename The template "filename"
+ *
+ * @return string The default strategy to use for the template
+ */
+ public function getDefaultStrategy($filename)
+ {
+ if (is_callable($this->defaultStrategy)) {
+ return call_user_func($this->defaultStrategy, $filename);
+ }
+
+ return $this->defaultStrategy;
+ }
+
+ /**
+ * Returns the name of the extension.
+ *
+ * @return string The extension name
+ */
+ public function getName()
+ {
+ return 'escaper';
+ }
+}
+
+/**
+ * Marks a variable as being safe.
+ *
+ * @param string $string A PHP variable
+ */
+function twig_raw_filter($string)
+{
+ return $string;
+}
+
diff --git a/core/vendor/Twig/Extension/Optimizer.php b/core/vendor/Twig/Extension/Optimizer.php
new file mode 100644
index 0000000..013fcb6
--- /dev/null
+++ b/core/vendor/Twig/Extension/Optimizer.php
@@ -0,0 +1,35 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Extension_Optimizer extends Twig_Extension
+{
+ protected $optimizers;
+
+ public function __construct($optimizers = -1)
+ {
+ $this->optimizers = $optimizers;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getNodeVisitors()
+ {
+ return array(new Twig_NodeVisitor_Optimizer($this->optimizers));
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getName()
+ {
+ return 'optimizer';
+ }
+}
diff --git a/core/vendor/Twig/Extension/Sandbox.php b/core/vendor/Twig/Extension/Sandbox.php
new file mode 100644
index 0000000..bf76c11
--- /dev/null
+++ b/core/vendor/Twig/Extension/Sandbox.php
@@ -0,0 +1,112 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Extension_Sandbox extends Twig_Extension
+{
+ protected $sandboxedGlobally;
+ protected $sandboxed;
+ protected $policy;
+
+ public function __construct(Twig_Sandbox_SecurityPolicyInterface $policy, $sandboxed = false)
+ {
+ $this->policy = $policy;
+ $this->sandboxedGlobally = $sandboxed;
+ }
+
+ /**
+ * Returns the token parser instances to add to the existing list.
+ *
+ * @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
+ */
+ public function getTokenParsers()
+ {
+ return array(new Twig_TokenParser_Sandbox());
+ }
+
+ /**
+ * Returns the node visitor instances to add to the existing list.
+ *
+ * @return array An array of Twig_NodeVisitorInterface instances
+ */
+ public function getNodeVisitors()
+ {
+ return array(new Twig_NodeVisitor_Sandbox());
+ }
+
+ public function enableSandbox()
+ {
+ $this->sandboxed = true;
+ }
+
+ public function disableSandbox()
+ {
+ $this->sandboxed = false;
+ }
+
+ public function isSandboxed()
+ {
+ return $this->sandboxedGlobally || $this->sandboxed;
+ }
+
+ public function isSandboxedGlobally()
+ {
+ return $this->sandboxedGlobally;
+ }
+
+ public function setSecurityPolicy(Twig_Sandbox_SecurityPolicyInterface $policy)
+ {
+ $this->policy = $policy;
+ }
+
+ public function getSecurityPolicy()
+ {
+ return $this->policy;
+ }
+
+ public function checkSecurity($tags, $filters, $functions)
+ {
+ if ($this->isSandboxed()) {
+ $this->policy->checkSecurity($tags, $filters, $functions);
+ }
+ }
+
+ public function checkMethodAllowed($obj, $method)
+ {
+ if ($this->isSandboxed()) {
+ $this->policy->checkMethodAllowed($obj, $method);
+ }
+ }
+
+ public function checkPropertyAllowed($obj, $method)
+ {
+ if ($this->isSandboxed()) {
+ $this->policy->checkPropertyAllowed($obj, $method);
+ }
+ }
+
+ public function ensureToStringAllowed($obj)
+ {
+ if (is_object($obj)) {
+ $this->policy->checkMethodAllowed($obj, '__toString');
+ }
+
+ return $obj;
+ }
+
+ /**
+ * Returns the name of the extension.
+ *
+ * @return string The extension name
+ */
+ public function getName()
+ {
+ return 'sandbox';
+ }
+}
diff --git a/core/vendor/Twig/ExtensionInterface.php b/core/vendor/Twig/ExtensionInterface.php
new file mode 100644
index 0000000..0bfed88
--- /dev/null
+++ b/core/vendor/Twig/ExtensionInterface.php
@@ -0,0 +1,84 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Interface implemented by extension classes.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_ExtensionInterface
+{
+ /**
+ * Initializes the runtime environment.
+ *
+ * This is where you can load some file that contains filter functions for instance.
+ *
+ * @param Twig_Environment $environment The current Twig_Environment instance
+ */
+ function initRuntime(Twig_Environment $environment);
+
+ /**
+ * Returns the token parser instances to add to the existing list.
+ *
+ * @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
+ */
+ function getTokenParsers();
+
+ /**
+ * Returns the node visitor instances to add to the existing list.
+ *
+ * @return array An array of Twig_NodeVisitorInterface instances
+ */
+ function getNodeVisitors();
+
+ /**
+ * Returns a list of filters to add to the existing list.
+ *
+ * @return array An array of filters
+ */
+ function getFilters();
+
+ /**
+ * Returns a list of tests to add to the existing list.
+ *
+ * @return array An array of tests
+ */
+ function getTests();
+
+ /**
+ * Returns a list of functions to add to the existing list.
+ *
+ * @return array An array of functions
+ */
+ function getFunctions();
+
+ /**
+ * Returns a list of operators to add to the existing list.
+ *
+ * @return array An array of operators
+ */
+ function getOperators();
+
+ /**
+ * Returns a list of global variables to add to the existing list.
+ *
+ * @return array An array of global variables
+ */
+ function getGlobals();
+
+ /**
+ * Returns the name of the extension.
+ *
+ * @return string The extension name
+ */
+ function getName();
+}
diff --git a/core/vendor/Twig/Filter.php b/core/vendor/Twig/Filter.php
new file mode 100644
index 0000000..1a4806c
--- /dev/null
+++ b/core/vendor/Twig/Filter.php
@@ -0,0 +1,75 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a template filter.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class Twig_Filter implements Twig_FilterInterface
+{
+ protected $options;
+ protected $arguments = array();
+
+ public function __construct(array $options = array())
+ {
+ $this->options = array_merge(array(
+ 'needs_environment' => false,
+ 'needs_context' => false,
+ 'pre_escape' => null,
+ 'preserves_safety' => null,
+ ), $options);
+ }
+
+ public function setArguments($arguments)
+ {
+ $this->arguments = $arguments;
+ }
+
+ public function getArguments()
+ {
+ return $this->arguments;
+ }
+
+ public function needsEnvironment()
+ {
+ return $this->options['needs_environment'];
+ }
+
+ public function needsContext()
+ {
+ return $this->options['needs_context'];
+ }
+
+ public function getSafe(Twig_Node $filterArgs)
+ {
+ if (isset($this->options['is_safe'])) {
+ return $this->options['is_safe'];
+ }
+
+ if (isset($this->options['is_safe_callback'])) {
+ return call_user_func($this->options['is_safe_callback'], $filterArgs);
+ }
+
+ return null;
+ }
+
+ public function getPreservesSafety()
+ {
+ return $this->options['preserves_safety'];
+ }
+
+ public function getPreEscape()
+ {
+ return $this->options['pre_escape'];
+ }
+}
diff --git a/core/vendor/Twig/Filter/Function.php b/core/vendor/Twig/Filter/Function.php
new file mode 100644
index 0000000..1de078b
--- /dev/null
+++ b/core/vendor/Twig/Filter/Function.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a function template filter.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Filter_Function extends Twig_Filter
+{
+ protected $function;
+
+ public function __construct($function, array $options = array())
+ {
+ parent::__construct($options);
+
+ $this->function = $function;
+ }
+
+ public function compile()
+ {
+ return $this->function;
+ }
+}
diff --git a/core/vendor/Twig/Filter/Method.php b/core/vendor/Twig/Filter/Method.php
new file mode 100644
index 0000000..a680f61
--- /dev/null
+++ b/core/vendor/Twig/Filter/Method.php
@@ -0,0 +1,35 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a method template filter.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Filter_Method extends Twig_Filter
+{
+ protected $extension;
+ protected $method;
+
+ public function __construct(Twig_ExtensionInterface $extension, $method, array $options = array())
+ {
+ parent::__construct($options);
+
+ $this->extension = $extension;
+ $this->method = $method;
+ }
+
+ public function compile()
+ {
+ return sprintf('$this->env->getExtension(\'%s\')->%s', $this->extension->getName(), $this->method);
+ }
+}
diff --git a/core/vendor/Twig/Filter/Node.php b/core/vendor/Twig/Filter/Node.php
new file mode 100644
index 0000000..7481c05
--- /dev/null
+++ b/core/vendor/Twig/Filter/Node.php
@@ -0,0 +1,37 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a template filter as a node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Filter_Node extends Twig_Filter
+{
+ protected $class;
+
+ public function __construct($class, array $options = array())
+ {
+ parent::__construct($options);
+
+ $this->class = $class;
+ }
+
+ public function getClass()
+ {
+ return $this->class;
+ }
+
+ public function compile()
+ {
+ }
+}
diff --git a/core/vendor/Twig/FilterInterface.php b/core/vendor/Twig/FilterInterface.php
new file mode 100644
index 0000000..f398026
--- /dev/null
+++ b/core/vendor/Twig/FilterInterface.php
@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a template filter.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_FilterInterface
+{
+ /**
+ * Compiles a filter.
+ *
+ * @return string The PHP code for the filter
+ */
+ function compile();
+
+ function needsEnvironment();
+
+ function needsContext();
+
+ function getSafe(Twig_Node $filterArgs);
+
+ function getPreservesSafety();
+
+ function getPreEscape();
+
+ function setArguments($arguments);
+
+ function getArguments();
+}
diff --git a/core/vendor/Twig/Function.php b/core/vendor/Twig/Function.php
new file mode 100644
index 0000000..cd7643f
--- /dev/null
+++ b/core/vendor/Twig/Function.php
@@ -0,0 +1,63 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a template function.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class Twig_Function implements Twig_FunctionInterface
+{
+ protected $options;
+ protected $arguments = array();
+
+ public function __construct(array $options = array())
+ {
+ $this->options = array_merge(array(
+ 'needs_environment' => false,
+ 'needs_context' => false,
+ ), $options);
+ }
+
+ public function setArguments($arguments)
+ {
+ $this->arguments = $arguments;
+ }
+
+ public function getArguments()
+ {
+ return $this->arguments;
+ }
+
+ public function needsEnvironment()
+ {
+ return $this->options['needs_environment'];
+ }
+
+ public function needsContext()
+ {
+ return $this->options['needs_context'];
+ }
+
+ public function getSafe(Twig_Node $functionArgs)
+ {
+ if (isset($this->options['is_safe'])) {
+ return $this->options['is_safe'];
+ }
+
+ if (isset($this->options['is_safe_callback'])) {
+ return call_user_func($this->options['is_safe_callback'], $functionArgs);
+ }
+
+ return array();
+ }
+}
diff --git a/core/vendor/Twig/Function/Function.php b/core/vendor/Twig/Function/Function.php
new file mode 100644
index 0000000..3237d8c
--- /dev/null
+++ b/core/vendor/Twig/Function/Function.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2010 Arnaud Le Blanc
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a function template function.
+ *
+ * @package twig
+ * @author Arnaud Le Blanc <arnaud.lb@gmail.com>
+ */
+class Twig_Function_Function extends Twig_Function
+{
+ protected $function;
+
+ public function __construct($function, array $options = array())
+ {
+ parent::__construct($options);
+
+ $this->function = $function;
+ }
+
+ public function compile()
+ {
+ return $this->function;
+ }
+}
diff --git a/core/vendor/Twig/Function/Method.php b/core/vendor/Twig/Function/Method.php
new file mode 100644
index 0000000..8838618
--- /dev/null
+++ b/core/vendor/Twig/Function/Method.php
@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2010 Arnaud Le Blanc
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a method template function.
+ *
+ * @package twig
+ * @author Arnaud Le Blanc <arnaud.lb@gmail.com>
+ */
+class Twig_Function_Method extends Twig_Function
+{
+ protected $extension;
+ protected $method;
+
+ public function __construct(Twig_ExtensionInterface $extension, $method, array $options = array())
+ {
+ parent::__construct($options);
+
+ $this->extension = $extension;
+ $this->method = $method;
+ }
+
+ public function compile()
+ {
+ return sprintf('$this->env->getExtension(\'%s\')->%s', $this->extension->getName(), $this->method);
+ }
+}
diff --git a/core/vendor/Twig/Function/Node.php b/core/vendor/Twig/Function/Node.php
new file mode 100644
index 0000000..a687a84
--- /dev/null
+++ b/core/vendor/Twig/Function/Node.php
@@ -0,0 +1,37 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a template function as a node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Function_Node extends Twig_Filter
+{
+ protected $class;
+
+ public function __construct($class, array $options = array())
+ {
+ parent::__construct($options);
+
+ $this->class = $class;
+ }
+
+ public function getClass()
+ {
+ return $this->class;
+ }
+
+ public function compile()
+ {
+ }
+}
diff --git a/core/vendor/Twig/FunctionInterface.php b/core/vendor/Twig/FunctionInterface.php
new file mode 100644
index 0000000..d402d17
--- /dev/null
+++ b/core/vendor/Twig/FunctionInterface.php
@@ -0,0 +1,37 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ * (c) 2010 Arnaud Le Blanc
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a template function.
+ *
+ * @package twig
+ * @author Arnaud Le Blanc <arnaud.lb@gmail.com>
+ */
+interface Twig_FunctionInterface
+{
+ /**
+ * Compiles a function.
+ *
+ * @return string The PHP code for the function
+ */
+ function compile();
+
+ function needsEnvironment();
+
+ function needsContext();
+
+ function getSafe(Twig_Node $filterArgs);
+
+ function setArguments($arguments);
+
+ function getArguments();
+}
diff --git a/core/vendor/Twig/Lexer.php b/core/vendor/Twig/Lexer.php
new file mode 100644
index 0000000..d77071d
--- /dev/null
+++ b/core/vendor/Twig/Lexer.php
@@ -0,0 +1,406 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Lexes a template string.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Lexer implements Twig_LexerInterface
+{
+ protected $tokens;
+ protected $code;
+ protected $cursor;
+ protected $lineno;
+ protected $end;
+ protected $state;
+ protected $states;
+ protected $brackets;
+ protected $env;
+ protected $filename;
+ protected $options;
+ protected $regexes;
+ protected $position;
+ protected $positions;
+
+ const STATE_DATA = 0;
+ const STATE_BLOCK = 1;
+ const STATE_VAR = 2;
+ const STATE_STRING = 3;
+ const STATE_INTERPOLATION = 4;
+
+ const REGEX_NAME = '/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/A';
+ const REGEX_NUMBER = '/[0-9]+(?:\.[0-9]+)?/A';
+ const REGEX_STRING = '/"([^#"\\\\]*(?:\\\\.[^#"\\\\]*)*)"|\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\'/As';
+ const REGEX_DQ_STRING_DELIM = '/"/A';
+ const REGEX_DQ_STRING_PART = '/[^#"\\\\]*(?:(?:\\\\.|#(?!\{))[^#"\\\\]*)*/As';
+ const PUNCTUATION = '()[]{}?:.,|';
+
+ public function __construct(Twig_Environment $env, array $options = array())
+ {
+ $this->env = $env;
+
+ $this->options = array_merge(array(
+ 'tag_comment' => array('{#', '#}'),
+ 'tag_block' => array('{%', '%}'),
+ 'tag_variable' => array('{{', '}}'),
+ 'whitespace_trim' => '-',
+ 'interpolation' => array('#{', '}'),
+ ), $options);
+
+ $this->regexes = array(
+ 'lex_var' => '/\s*'.preg_quote($this->options['whitespace_trim'].$this->options['tag_variable'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_variable'][1], '/').'/A',
+ 'lex_block' => '/\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_block'][1], '/').')\n?/A',
+ 'lex_raw_data' => '/('.preg_quote($this->options['tag_block'][0].$this->options['whitespace_trim'], '/').'|'.preg_quote($this->options['tag_block'][0], '/').')\s*endraw\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_block'][1], '/').')/s',
+ 'operator' => $this->getOperatorRegex(),
+ 'lex_comment' => '/(?:'.preg_quote($this->options['whitespace_trim'], '/').preg_quote($this->options['tag_comment'][1], '/').'\s*|'.preg_quote($this->options['tag_comment'][1], '/').')\n?/s',
+ 'lex_block_raw' => '/\s*raw\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_block'][1], '/').')/As',
+ 'lex_block_line' => '/\s*line\s+(\d+)\s*'.preg_quote($this->options['tag_block'][1], '/').'/As',
+ 'lex_tokens_start' => '/('.preg_quote($this->options['tag_variable'][0], '/').'|'.preg_quote($this->options['tag_block'][0], '/').'|'.preg_quote($this->options['tag_comment'][0], '/').')('.preg_quote($this->options['whitespace_trim'], '/').')?/s',
+ 'interpolation_start' => '/'.preg_quote($this->options['interpolation'][0], '/').'\s*/A',
+ 'interpolation_end' => '/\s*'.preg_quote($this->options['interpolation'][1], '/').'/A',
+ );
+ }
+
+ /**
+ * Tokenizes a source code.
+ *
+ * @param string $code The source code
+ * @param string $filename A unique identifier for the source code
+ *
+ * @return Twig_TokenStream A token stream instance
+ */
+ public function tokenize($code, $filename = null)
+ {
+ if (function_exists('mb_internal_encoding') && ((int) ini_get('mbstring.func_overload')) & 2) {
+ $mbEncoding = mb_internal_encoding();
+ mb_internal_encoding('ASCII');
+ }
+
+ $this->code = str_replace(array("\r\n", "\r"), "\n", $code);
+ $this->filename = $filename;
+ $this->cursor = 0;
+ $this->lineno = 1;
+ $this->end = strlen($this->code);
+ $this->tokens = array();
+ $this->state = self::STATE_DATA;
+ $this->states = array();
+ $this->brackets = array();
+ $this->position = -1;
+
+ // find all token starts in one go
+ preg_match_all($this->regexes['lex_tokens_start'], $this->code, $matches, PREG_OFFSET_CAPTURE);
+ $this->positions = $matches;
+
+ while ($this->cursor < $this->end) {
+ // dispatch to the lexing functions depending
+ // on the current state
+ switch ($this->state) {
+ case self::STATE_DATA:
+ $this->lexData();
+ break;
+
+ case self::STATE_BLOCK:
+ $this->lexBlock();
+ break;
+
+ case self::STATE_VAR:
+ $this->lexVar();
+ break;
+
+ case self::STATE_STRING:
+ $this->lexString();
+ break;
+
+ case self::STATE_INTERPOLATION:
+ $this->lexInterpolation();
+ break;
+ }
+ }
+
+ $this->pushToken(Twig_Token::EOF_TYPE);
+
+ if (!empty($this->brackets)) {
+ list($expect, $lineno) = array_pop($this->brackets);
+ throw new Twig_Error_Syntax(sprintf('Unclosed "%s"', $expect), $lineno, $this->filename);
+ }
+
+ if (isset($mbEncoding)) {
+ mb_internal_encoding($mbEncoding);
+ }
+
+ return new Twig_TokenStream($this->tokens, $this->filename);
+ }
+
+ protected function lexData()
+ {
+ // if no matches are left we return the rest of the template as simple text token
+ if ($this->position == count($this->positions[0]) - 1) {
+ $this->pushToken(Twig_Token::TEXT_TYPE, substr($this->code, $this->cursor));
+ $this->cursor = $this->end;
+
+ return;
+ }
+
+ // Find the first token after the current cursor
+ $position = $this->positions[0][++$this->position];
+ while ($position[1] < $this->cursor) {
+ if ($this->position == count($this->positions[0]) - 1) {
+ return;
+ }
+ $position = $this->positions[0][++$this->position];
+ }
+
+ // push the template text first
+ $text = $textContent = substr($this->code, $this->cursor, $position[1] - $this->cursor);
+ if (isset($this->positions[2][$this->position][0])) {
+ $text = rtrim($text);
+ }
+ $this->pushToken(Twig_Token::TEXT_TYPE, $text);
+ $this->moveCursor($textContent.$position[0]);
+
+ switch ($this->positions[1][$this->position][0]) {
+ case $this->options['tag_comment'][0]:
+ $this->lexComment();
+ break;
+
+ case $this->options['tag_block'][0]:
+ // raw data?
+ if (preg_match($this->regexes['lex_block_raw'], $this->code, $match, null, $this->cursor)) {
+ $this->moveCursor($match[0]);
+ $this->lexRawData();
+ // {% line \d+ %}
+ } elseif (preg_match($this->regexes['lex_block_line'], $this->code, $match, null, $this->cursor)) {
+ $this->moveCursor($match[0]);
+ $this->lineno = (int) $match[1];
+ } else {
+ $this->pushToken(Twig_Token::BLOCK_START_TYPE);
+ $this->pushState(self::STATE_BLOCK);
+ }
+ break;
+
+ case $this->options['tag_variable'][0]:
+ $this->pushToken(Twig_Token::VAR_START_TYPE);
+ $this->pushState(self::STATE_VAR);
+ break;
+ }
+ }
+
+ protected function lexBlock()
+ {
+ if (empty($this->brackets) && preg_match($this->regexes['lex_block'], $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::BLOCK_END_TYPE);
+ $this->moveCursor($match[0]);
+ $this->popState();
+ } else {
+ $this->lexExpression();
+ }
+ }
+
+ protected function lexVar()
+ {
+ if (empty($this->brackets) && preg_match($this->regexes['lex_var'], $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::VAR_END_TYPE);
+ $this->moveCursor($match[0]);
+ $this->popState();
+ } else {
+ $this->lexExpression();
+ }
+ }
+
+ protected function lexExpression()
+ {
+ // whitespace
+ if (preg_match('/\s+/A', $this->code, $match, null, $this->cursor)) {
+ $this->moveCursor($match[0]);
+
+ if ($this->cursor >= $this->end) {
+ throw new Twig_Error_Syntax(sprintf('Unexpected end of file: Unclosed "%s"', $this->state === self::STATE_BLOCK ? 'block' : 'variable'), $this->lineno, $this->filename);
+ }
+ }
+
+ // operators
+ if (preg_match($this->regexes['operator'], $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::OPERATOR_TYPE, $match[0]);
+ $this->moveCursor($match[0]);
+ }
+ // names
+ elseif (preg_match(self::REGEX_NAME, $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::NAME_TYPE, $match[0]);
+ $this->moveCursor($match[0]);
+ }
+ // numbers
+ elseif (preg_match(self::REGEX_NUMBER, $this->code, $match, null, $this->cursor)) {
+ $number = (float) $match[0]; // floats
+ if (ctype_digit($match[0]) && $number <= PHP_INT_MAX) {
+ $number = (int) $match[0]; // integers lower than the maximum
+ }
+ $this->pushToken(Twig_Token::NUMBER_TYPE, $number);
+ $this->moveCursor($match[0]);
+ }
+ // punctuation
+ elseif (false !== strpos(self::PUNCTUATION, $this->code[$this->cursor])) {
+ // opening bracket
+ if (false !== strpos('([{', $this->code[$this->cursor])) {
+ $this->brackets[] = array($this->code[$this->cursor], $this->lineno);
+ }
+ // closing bracket
+ elseif (false !== strpos(')]}', $this->code[$this->cursor])) {
+ if (empty($this->brackets)) {
+ throw new Twig_Error_Syntax(sprintf('Unexpected "%s"', $this->code[$this->cursor]), $this->lineno, $this->filename);
+ }
+
+ list($expect, $lineno) = array_pop($this->brackets);
+ if ($this->code[$this->cursor] != strtr($expect, '([{', ')]}')) {
+ throw new Twig_Error_Syntax(sprintf('Unclosed "%s"', $expect), $lineno, $this->filename);
+ }
+ }
+
+ $this->pushToken(Twig_Token::PUNCTUATION_TYPE, $this->code[$this->cursor]);
+ ++$this->cursor;
+ }
+ // strings
+ elseif (preg_match(self::REGEX_STRING, $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::STRING_TYPE, stripcslashes(substr($match[0], 1, -1)));
+ $this->moveCursor($match[0]);
+ }
+ // opening double quoted string
+ elseif (preg_match(self::REGEX_DQ_STRING_DELIM, $this->code, $match, null, $this->cursor)) {
+ $this->brackets[] = array('"', $this->lineno);
+ $this->pushState(self::STATE_STRING);
+ $this->moveCursor($match[0]);
+ }
+ // unlexable
+ else {
+ throw new Twig_Error_Syntax(sprintf('Unexpected character "%s"', $this->code[$this->cursor]), $this->lineno, $this->filename);
+ }
+ }
+
+ protected function lexRawData()
+ {
+ if (!preg_match($this->regexes['lex_raw_data'], $this->code, $match, PREG_OFFSET_CAPTURE, $this->cursor)) {
+ throw new Twig_Error_Syntax(sprintf('Unexpected end of file: Unclosed "block"'), $this->lineno, $this->filename);
+ }
+
+ $text = substr($this->code, $this->cursor, $match[0][1] - $this->cursor);
+ $this->moveCursor($text.$match[0][0]);
+
+ if (false !== strpos($match[1][0], $this->options['whitespace_trim'])) {
+ $text = rtrim($text);
+ }
+
+ $this->pushToken(Twig_Token::TEXT_TYPE, $text);
+ }
+
+ protected function lexComment()
+ {
+ if (!preg_match($this->regexes['lex_comment'], $this->code, $match, PREG_OFFSET_CAPTURE, $this->cursor)) {
+ throw new Twig_Error_Syntax('Unclosed comment', $this->lineno, $this->filename);
+ }
+
+ $this->moveCursor(substr($this->code, $this->cursor, $match[0][1] - $this->cursor).$match[0][0]);
+ }
+
+ protected function lexString()
+ {
+ if (preg_match($this->regexes['interpolation_start'], $this->code, $match, null, $this->cursor)) {
+ $this->brackets[] = array($this->options['interpolation'][0], $this->lineno);
+ $this->pushToken(Twig_Token::INTERPOLATION_START_TYPE);
+ $this->moveCursor($match[0]);
+ $this->pushState(self::STATE_INTERPOLATION);
+
+ } elseif (preg_match(self::REGEX_DQ_STRING_PART, $this->code, $match, null, $this->cursor) && strlen($match[0]) > 0) {
+ $this->pushToken(Twig_Token::STRING_TYPE, stripcslashes($match[0]));
+ $this->moveCursor($match[0]);
+
+ } elseif (preg_match(self::REGEX_DQ_STRING_DELIM, $this->code, $match, null, $this->cursor)) {
+
+ list($expect, $lineno) = array_pop($this->brackets);
+ if ($this->code[$this->cursor] != '"') {
+ throw new Twig_Error_Syntax(sprintf('Unclosed "%s"', $expect), $lineno, $this->filename);
+ }
+
+ $this->popState();
+ ++$this->cursor;
+ }
+ }
+
+ protected function lexInterpolation()
+ {
+ $bracket = end($this->brackets);
+ if ($this->options['interpolation'][0] === $bracket[0] && preg_match($this->regexes['interpolation_end'], $this->code, $match, null, $this->cursor)) {
+ array_pop($this->brackets);
+ $this->pushToken(Twig_Token::INTERPOLATION_END_TYPE);
+ $this->moveCursor($match[0]);
+ $this->popState();
+ } else {
+ $this->lexExpression();
+ }
+ }
+
+ protected function pushToken($type, $value = '')
+ {
+ // do not push empty text tokens
+ if (Twig_Token::TEXT_TYPE === $type && '' === $value) {
+ return;
+ }
+
+ $this->tokens[] = new Twig_Token($type, $value, $this->lineno);
+ }
+
+ protected function moveCursor($text)
+ {
+ $this->cursor += strlen($text);
+ $this->lineno += substr_count($text, "\n");
+ }
+
+ protected function getOperatorRegex()
+ {
+ $operators = array_merge(
+ array('='),
+ array_keys($this->env->getUnaryOperators()),
+ array_keys($this->env->getBinaryOperators())
+ );
+
+ $operators = array_combine($operators, array_map('strlen', $operators));
+ arsort($operators);
+
+ $regex = array();
+ foreach ($operators as $operator => $length) {
+ // an operator that ends with a character must be followed by
+ // a whitespace or a parenthesis
+ if (ctype_alpha($operator[$length - 1])) {
+ $regex[] = preg_quote($operator, '/').'(?=[\s()])';
+ } else {
+ $regex[] = preg_quote($operator, '/');
+ }
+ }
+
+ return '/'.implode('|', $regex).'/A';
+ }
+
+ protected function pushState($state)
+ {
+ $this->states[] = $this->state;
+ $this->state = $state;
+ }
+
+ protected function popState()
+ {
+ if (0 === count($this->states)) {
+ throw new Exception('Cannot pop state without a previous state');
+ }
+
+ $this->state = array_pop($this->states);
+ }
+}
diff --git a/core/vendor/Twig/LexerInterface.php b/core/vendor/Twig/LexerInterface.php
new file mode 100644
index 0000000..2bec235
--- /dev/null
+++ b/core/vendor/Twig/LexerInterface.php
@@ -0,0 +1,29 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Interface implemented by lexer classes.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_LexerInterface
+{
+ /**
+ * Tokenizes a source code.
+ *
+ * @param string $code The source code
+ * @param string $filename A unique identifier for the source code
+ *
+ * @return Twig_TokenStream A token stream instance
+ */
+ function tokenize($code, $filename = null);
+}
diff --git a/core/vendor/Twig/Loader/Array.php b/core/vendor/Twig/Loader/Array.php
new file mode 100644
index 0000000..8776264
--- /dev/null
+++ b/core/vendor/Twig/Loader/Array.php
@@ -0,0 +1,102 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Loads a template from an array.
+ *
+ * When using this loader with a cache mechanism, you should know that a new cache
+ * key is generated each time a template content "changes" (the cache key being the
+ * source code of the template). If you don't want to see your cache grows out of
+ * control, you need to take care of clearing the old cache file by yourself.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Loader_Array implements Twig_LoaderInterface
+{
+ protected $templates;
+
+ /**
+ * Constructor.
+ *
+ * @param array $templates An array of templates (keys are the names, and values are the source code)
+ *
+ * @see Twig_Loader
+ */
+ public function __construct(array $templates)
+ {
+ $this->templates = array();
+ foreach ($templates as $name => $template) {
+ $this->templates[$name] = $template;
+ }
+ }
+
+ /**
+ * Adds or overrides a template.
+ *
+ * @param string $name The template name
+ * @param string $template The template source
+ */
+ public function setTemplate($name, $template)
+ {
+ $this->templates[(string) $name] = $template;
+ }
+
+ /**
+ * Gets the source code of a template, given its name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The template source code
+ */
+ public function getSource($name)
+ {
+ $name = (string) $name;
+ if (!isset($this->templates[$name])) {
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+
+ return $this->templates[$name];
+ }
+
+ /**
+ * Gets the cache key to use for the cache for a given template name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The cache key
+ */
+ public function getCacheKey($name)
+ {
+ $name = (string) $name;
+ if (!isset($this->templates[$name])) {
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+
+ return $this->templates[$name];
+ }
+
+ /**
+ * Returns true if the template is still fresh.
+ *
+ * @param string $name The template name
+ * @param timestamp $time The last modification time of the cached template
+ */
+ public function isFresh($name, $time)
+ {
+ $name = (string) $name;
+ if (!isset($this->templates[$name])) {
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+
+ return true;
+ }
+}
diff --git a/core/vendor/Twig/Loader/Chain.php b/core/vendor/Twig/Loader/Chain.php
new file mode 100644
index 0000000..a044905
--- /dev/null
+++ b/core/vendor/Twig/Loader/Chain.php
@@ -0,0 +1,100 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Loads templates from other loaders.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Loader_Chain implements Twig_LoaderInterface
+{
+ protected $loaders;
+
+ /**
+ * Constructor.
+ *
+ * @param Twig_LoaderInterface[] $loaders An array of loader instances
+ */
+ public function __construct(array $loaders = array())
+ {
+ $this->loaders = array();
+ foreach ($loaders as $loader) {
+ $this->addLoader($loader);
+ }
+ }
+
+ /**
+ * Adds a loader instance.
+ *
+ * @param Twig_LoaderInterface $loader A Loader instance
+ */
+ public function addLoader(Twig_LoaderInterface $loader)
+ {
+ $this->loaders[] = $loader;
+ }
+
+ /**
+ * Gets the source code of a template, given its name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The template source code
+ */
+ public function getSource($name)
+ {
+ foreach ($this->loaders as $loader) {
+ try {
+ return $loader->getSource($name);
+ } catch (Twig_Error_Loader $e) {
+ }
+ }
+
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+
+ /**
+ * Gets the cache key to use for the cache for a given template name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The cache key
+ */
+ public function getCacheKey($name)
+ {
+ foreach ($this->loaders as $loader) {
+ try {
+ return $loader->getCacheKey($name);
+ } catch (Twig_Error_Loader $e) {
+ }
+ }
+
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+
+ /**
+ * Returns true if the template is still fresh.
+ *
+ * @param string $name The template name
+ * @param timestamp $time The last modification time of the cached template
+ */
+ public function isFresh($name, $time)
+ {
+ foreach ($this->loaders as $loader) {
+ try {
+ return $loader->isFresh($name, $time);
+ } catch (Twig_Error_Loader $e) {
+ }
+ }
+
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+}
diff --git a/core/vendor/Twig/Loader/Filesystem.php b/core/vendor/Twig/Loader/Filesystem.php
new file mode 100644
index 0000000..fd93219
--- /dev/null
+++ b/core/vendor/Twig/Loader/Filesystem.php
@@ -0,0 +1,152 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Loads template from the filesystem.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Loader_Filesystem implements Twig_LoaderInterface
+{
+ protected $paths;
+ protected $cache;
+
+ /**
+ * Constructor.
+ *
+ * @param string|array $paths A path or an array of paths where to look for templates
+ */
+ public function __construct($paths)
+ {
+ $this->setPaths($paths);
+ }
+
+ /**
+ * Returns the paths to the templates.
+ *
+ * @return array The array of paths where to look for templates
+ */
+ public function getPaths()
+ {
+ return $this->paths;
+ }
+
+ /**
+ * Sets the paths where templates are stored.
+ *
+ * @param string|array $paths A path or an array of paths where to look for templates
+ */
+ public function setPaths($paths)
+ {
+ if (!is_array($paths)) {
+ $paths = array($paths);
+ }
+
+ $this->paths = array();
+ foreach ($paths as $path) {
+ $this->addPath($path);
+ }
+ }
+
+ /**
+ * Adds a path where templates are stored.
+ *
+ * @param string $path A path where to look for templates
+ */
+ public function addPath($path)
+ {
+ // invalidate the cache
+ $this->cache = array();
+
+ if (!is_dir($path)) {
+ throw new Twig_Error_Loader(sprintf('The "%s" directory does not exist.', $path));
+ }
+
+ $this->paths[] = $path;
+ }
+
+ /**
+ * Gets the source code of a template, given its name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The template source code
+ */
+ public function getSource($name)
+ {
+ return file_get_contents($this->findTemplate($name));
+ }
+
+ /**
+ * Gets the cache key to use for the cache for a given template name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The cache key
+ */
+ public function getCacheKey($name)
+ {
+ return $this->findTemplate($name);
+ }
+
+ /**
+ * Returns true if the template is still fresh.
+ *
+ * @param string $name The template name
+ * @param timestamp $time The last modification time of the cached template
+ */
+ public function isFresh($name, $time)
+ {
+ return filemtime($this->findTemplate($name)) <= $time;
+ }
+
+ protected function findTemplate($name)
+ {
+ // normalize name
+ $name = preg_replace('#/{2,}#', '/', strtr($name, '\\', '/'));
+
+ if (isset($this->cache[$name])) {
+ return $this->cache[$name];
+ }
+
+ $this->validateName($name);
+
+ foreach ($this->paths as $path) {
+ if (is_file($path.'/'.$name)) {
+ return $this->cache[$name] = $path.'/'.$name;
+ }
+ }
+
+ throw new Twig_Error_Loader(sprintf('Unable to find template "%s" (looked into: %s).', $name, implode(', ', $this->paths)));
+ }
+
+ protected function validateName($name)
+ {
+ if (false !== strpos($name, "\0")) {
+ throw new Twig_Error_Loader('A template name cannot contain NUL bytes.');
+ }
+
+ $parts = explode('/', $name);
+ $level = 0;
+ foreach ($parts as $part) {
+ if ('..' === $part) {
+ --$level;
+ } elseif ('.' !== $part) {
+ ++$level;
+ }
+
+ if ($level < 0) {
+ throw new Twig_Error_Loader(sprintf('Looks like you try to load a template outside configured directories (%s).', $name));
+ }
+ }
+ }
+}
diff --git a/core/vendor/Twig/Loader/String.php b/core/vendor/Twig/Loader/String.php
new file mode 100644
index 0000000..bc792b1
--- /dev/null
+++ b/core/vendor/Twig/Loader/String.php
@@ -0,0 +1,59 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Loads a template from a string.
+ *
+ * When using this loader with a cache mechanism, you should know that a new cache
+ * key is generated each time a template content "changes" (the cache key being the
+ * source code of the template). If you don't want to see your cache grows out of
+ * control, you need to take care of clearing the old cache file by yourself.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Loader_String implements Twig_LoaderInterface
+{
+ /**
+ * Gets the source code of a template, given its name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The template source code
+ */
+ public function getSource($name)
+ {
+ return $name;
+ }
+
+ /**
+ * Gets the cache key to use for the cache for a given template name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The cache key
+ */
+ public function getCacheKey($name)
+ {
+ return $name;
+ }
+
+ /**
+ * Returns true if the template is still fresh.
+ *
+ * @param string $name The template name
+ * @param timestamp $time The last modification time of the cached template
+ */
+ public function isFresh($name, $time)
+ {
+ return true;
+ }
+}
diff --git a/core/vendor/Twig/LoaderInterface.php b/core/vendor/Twig/LoaderInterface.php
new file mode 100644
index 0000000..55e3ac6
--- /dev/null
+++ b/core/vendor/Twig/LoaderInterface.php
@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Interface all loaders must implement.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_LoaderInterface
+{
+ /**
+ * Gets the source code of a template, given its name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The template source code
+ *
+ * @throws Twig_Error_Loader When $name is not found
+ */
+ function getSource($name);
+
+ /**
+ * Gets the cache key to use for the cache for a given template name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The cache key
+ *
+ * @throws Twig_Error_Loader When $name is not found
+ */
+ function getCacheKey($name);
+
+ /**
+ * Returns true if the template is still fresh.
+ *
+ * @param string $name The template name
+ * @param timestamp $time The last modification time of the cached template
+ *
+ * @return Boolean true if the template is fresh, false otherwise
+ *
+ * @throws Twig_Error_Loader When $name is not found
+ */
+ function isFresh($name, $time);
+}
diff --git a/core/vendor/Twig/Markup.php b/core/vendor/Twig/Markup.php
new file mode 100644
index 0000000..7099b29
--- /dev/null
+++ b/core/vendor/Twig/Markup.php
@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Marks a content as safe.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Markup implements Countable
+{
+ protected $content;
+ protected $charset;
+
+ public function __construct($content, $charset)
+ {
+ $this->content = (string) $content;
+ $this->charset = $charset;
+ }
+
+ public function __toString()
+ {
+ return $this->content;
+ }
+
+ public function count()
+ {
+ return function_exists('mb_get_info') ? mb_strlen($this->content, $this->charset) : strlen($this->content);
+ }
+}
diff --git a/core/vendor/Twig/Node.php b/core/vendor/Twig/Node.php
new file mode 100644
index 0000000..651ffc4
--- /dev/null
+++ b/core/vendor/Twig/Node.php
@@ -0,0 +1,227 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a node in the AST.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node implements Twig_NodeInterface
+{
+ protected $nodes;
+ protected $attributes;
+ protected $lineno;
+ protected $tag;
+
+ /**
+ * Constructor.
+ *
+ * The nodes are automatically made available as properties ($this->node).
+ * The attributes are automatically made available as array items ($this['name']).
+ *
+ * @param array $nodes An array of named nodes
+ * @param array $attributes An array of attributes (should not be nodes)
+ * @param integer $lineno The line number
+ * @param string $tag The tag name associated with the Node
+ */
+ public function __construct(array $nodes = array(), array $attributes = array(), $lineno = 0, $tag = null)
+ {
+ $this->nodes = $nodes;
+ $this->attributes = $attributes;
+ $this->lineno = $lineno;
+ $this->tag = $tag;
+ }
+
+ public function __toString()
+ {
+ $attributes = array();
+ foreach ($this->attributes as $name => $value) {
+ $attributes[] = sprintf('%s: %s', $name, str_replace("\n", '', var_export($value, true)));
+ }
+
+ $repr = array(get_class($this).'('.implode(', ', $attributes));
+
+ if (count($this->nodes)) {
+ foreach ($this->nodes as $name => $node) {
+ $len = strlen($name) + 4;
+ $noderepr = array();
+ foreach (explode("\n", (string) $node) as $line) {
+ $noderepr[] = str_repeat(' ', $len).$line;
+ }
+
+ $repr[] = sprintf(' %s: %s', $name, ltrim(implode("\n", $noderepr)));
+ }
+
+ $repr[] = ')';
+ } else {
+ $repr[0] .= ')';
+ }
+
+ return implode("\n", $repr);
+ }
+
+ public function toXml($asDom = false)
+ {
+ $dom = new DOMDocument('1.0', 'UTF-8');
+ $dom->formatOutput = true;
+ $dom->appendChild($xml = $dom->createElement('twig'));
+
+ $xml->appendChild($node = $dom->createElement('node'));
+ $node->setAttribute('class', get_class($this));
+
+ foreach ($this->attributes as $name => $value) {
+ $node->appendChild($attribute = $dom->createElement('attribute'));
+ $attribute->setAttribute('name', $name);
+ $attribute->appendChild($dom->createTextNode($value));
+ }
+
+ foreach ($this->nodes as $name => $n) {
+ if (null === $n) {
+ continue;
+ }
+
+ $child = $n->toXml(true)->getElementsByTagName('node')->item(0);
+ $child = $dom->importNode($child, true);
+ $child->setAttribute('name', $name);
+
+ $node->appendChild($child);
+ }
+
+ return $asDom ? $dom : $dom->saveXml();
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ foreach ($this->nodes as $node) {
+ $node->compile($compiler);
+ }
+ }
+
+ public function getLine()
+ {
+ return $this->lineno;
+ }
+
+ public function getNodeTag()
+ {
+ return $this->tag;
+ }
+
+ /**
+ * Returns true if the attribute is defined.
+ *
+ * @param string The attribute name
+ *
+ * @return Boolean true if the attribute is defined, false otherwise
+ */
+ public function hasAttribute($name)
+ {
+ return array_key_exists($name, $this->attributes);
+ }
+
+ /**
+ * Gets an attribute.
+ *
+ * @param string The attribute name
+ *
+ * @return mixed The attribute value
+ */
+ public function getAttribute($name)
+ {
+ if (!array_key_exists($name, $this->attributes)) {
+ throw new Twig_Error_Runtime(sprintf('Attribute "%s" does not exist for Node "%s".', $name, get_class($this)));
+ }
+
+ return $this->attributes[$name];
+ }
+
+ /**
+ * Sets an attribute.
+ *
+ * @param string The attribute name
+ * @param mixed The attribute value
+ */
+ public function setAttribute($name, $value)
+ {
+ $this->attributes[$name] = $value;
+ }
+
+ /**
+ * Removes an attribute.
+ *
+ * @param string The attribute name
+ */
+ public function removeAttribute($name)
+ {
+ unset($this->attributes[$name]);
+ }
+
+ /**
+ * Returns true if the node with the given identifier exists.
+ *
+ * @param string The node name
+ *
+ * @return Boolean true if the node with the given name exists, false otherwise
+ */
+ public function hasNode($name)
+ {
+ return array_key_exists($name, $this->nodes);
+ }
+
+ /**
+ * Gets a node by name.
+ *
+ * @param string The node name
+ *
+ * @return Twig_Node A Twig_Node instance
+ */
+ public function getNode($name)
+ {
+ if (!array_key_exists($name, $this->nodes)) {
+ throw new Twig_Error_Runtime(sprintf('Node "%s" does not exist for Node "%s".', $name, get_class($this)));
+ }
+
+ return $this->nodes[$name];
+ }
+
+ /**
+ * Sets a node.
+ *
+ * @param string The node name
+ * @param Twig_Node A Twig_Node instance
+ */
+ public function setNode($name, $node = null)
+ {
+ $this->nodes[$name] = $node;
+ }
+
+ /**
+ * Removes a node by name.
+ *
+ * @param string The node name
+ */
+ public function removeNode($name)
+ {
+ unset($this->nodes[$name]);
+ }
+
+ public function count()
+ {
+ return count($this->nodes);
+ }
+
+ public function getIterator()
+ {
+ return new ArrayIterator($this->nodes);
+ }
+}
diff --git a/core/vendor/Twig/Node/AutoEscape.php b/core/vendor/Twig/Node/AutoEscape.php
new file mode 100644
index 0000000..a0c2ee6
--- /dev/null
+++ b/core/vendor/Twig/Node/AutoEscape.php
@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents an autoescape node.
+ *
+ * The value is the escaping strategy (can be html, js, ...)
+ *
+ * The true value is equivalent to html.
+ *
+ * If autoescaping is disabled, then the value is false.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_AutoEscape extends Twig_Node
+{
+ public function __construct($value, Twig_NodeInterface $body, $lineno, $tag = 'autoescape')
+ {
+ parent::__construct(array('body' => $body), array('value' => $value), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->subcompile($this->getNode('body'));
+ }
+}
diff --git a/core/vendor/Twig/Node/Block.php b/core/vendor/Twig/Node/Block.php
new file mode 100644
index 0000000..5548ad0
--- /dev/null
+++ b/core/vendor/Twig/Node/Block.php
@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a block node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Block extends Twig_Node
+{
+ public function __construct($name, Twig_NodeInterface $body, $lineno, $tag = null)
+ {
+ parent::__construct(array('body' => $body), array('name' => $name), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write(sprintf("public function block_%s(\$context, array \$blocks = array())\n", $this->getAttribute('name')), "{\n")
+ ->indent()
+ ;
+
+ $compiler
+ ->subcompile($this->getNode('body'))
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/BlockReference.php b/core/vendor/Twig/Node/BlockReference.php
new file mode 100644
index 0000000..53f6287
--- /dev/null
+++ b/core/vendor/Twig/Node/BlockReference.php
@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a block call node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_BlockReference extends Twig_Node implements Twig_NodeOutputInterface
+{
+ public function __construct($name, $lineno, $tag = null)
+ {
+ parent::__construct(array(), array('name' => $name), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write(sprintf("\$this->displayBlock('%s', \$context, \$blocks);\n", $this->getAttribute('name')))
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Body.php b/core/vendor/Twig/Node/Body.php
new file mode 100644
index 0000000..f72bf50
--- /dev/null
+++ b/core/vendor/Twig/Node/Body.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a body node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Body extends Twig_Node
+{
+}
diff --git a/core/vendor/Twig/Node/Do.php b/core/vendor/Twig/Node/Do.php
new file mode 100644
index 0000000..aa419d9
--- /dev/null
+++ b/core/vendor/Twig/Node/Do.php
@@ -0,0 +1,39 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a do node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Do extends Twig_Node
+{
+ public function __construct(Twig_Node_Expression $expr, $lineno, $tag = null)
+ {
+ parent::__construct(array('expr' => $expr), array(), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('')
+ ->subcompile($this->getNode('expr'))
+ ->raw(";\n")
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Embed.php b/core/vendor/Twig/Node/Embed.php
new file mode 100644
index 0000000..5edb953
--- /dev/null
+++ b/core/vendor/Twig/Node/Embed.php
@@ -0,0 +1,39 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2012 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents an embed node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Embed extends Twig_Node_Include
+{
+ // we don't inject the module to avoid node visitors to traverse it twice (as it will be already visited in the main module)
+ public function __construct($filename, $index, Twig_Node_Expression $variables = null, $only = false, $ignoreMissing = false, $lineno, $tag = null)
+ {
+ parent::__construct(new Twig_Node_Expression_Constant('not_used', $lineno), $variables, $only, $ignoreMissing, $lineno, $tag);
+
+ $this->setAttribute('filename', $filename);
+ $this->setAttribute('index', $index);
+ }
+
+ protected function addGetTemplate(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("\$this->env->loadTemplate(")
+ ->string($this->getAttribute('filename'))
+ ->raw(', ')
+ ->string($this->getAttribute('index'))
+ ->raw(")")
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression.php b/core/vendor/Twig/Node/Expression.php
new file mode 100644
index 0000000..13b170e
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression.php
@@ -0,0 +1,21 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Abstract class for all nodes that represents an expression.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class Twig_Node_Expression extends Twig_Node
+{
+}
diff --git a/core/vendor/Twig/Node/Expression/Array.php b/core/vendor/Twig/Node/Expression/Array.php
new file mode 100644
index 0000000..1da785f
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Array.php
@@ -0,0 +1,86 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Array extends Twig_Node_Expression
+{
+ protected $index;
+
+ public function __construct(array $elements, $lineno)
+ {
+ parent::__construct($elements, array(), $lineno);
+
+ $this->index = -1;
+ foreach ($this->getKeyValuePairs() as $pair) {
+ if ($pair['key'] instanceof Twig_Node_Expression_Constant && ctype_digit((string) $pair['key']->getAttribute('value')) && $pair['key']->getAttribute('value') > $this->index) {
+ $this->index = $pair['key']->getAttribute('value');
+ }
+ }
+ }
+
+ public function getKeyValuePairs()
+ {
+ $pairs = array();
+
+ foreach (array_chunk($this->nodes, 2) as $pair) {
+ $pairs[] = array(
+ 'key' => $pair[0],
+ 'value' => $pair[1],
+ );
+ }
+
+ return $pairs;
+ }
+
+ public function hasElement(Twig_Node_Expression $key)
+ {
+ foreach ($this->getKeyValuePairs() as $pair) {
+ // we compare the string representation of the keys
+ // to avoid comparing the line numbers which are not relevant here.
+ if ((string) $key == (string) $pair['key']) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ public function addElement(Twig_Node_Expression $value, Twig_Node_Expression $key = null)
+ {
+ if (null === $key) {
+ $key = new Twig_Node_Expression_Constant(++$this->index, $value->getLine());
+ }
+
+ array_push($this->nodes, $key, $value);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->raw('array(');
+ $first = true;
+ foreach ($this->getKeyValuePairs() as $pair) {
+ if (!$first) {
+ $compiler->raw(', ');
+ }
+ $first = false;
+
+ $compiler
+ ->subcompile($pair['key'])
+ ->raw(' => ')
+ ->subcompile($pair['value'])
+ ;
+ }
+ $compiler->raw(')');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/AssignName.php b/core/vendor/Twig/Node/Expression/AssignName.php
new file mode 100644
index 0000000..2ddea78
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/AssignName.php
@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+class Twig_Node_Expression_AssignName extends Twig_Node_Expression_Name
+{
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('$context[')
+ ->string($this->getAttribute('name'))
+ ->raw(']')
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary.php b/core/vendor/Twig/Node/Expression/Binary.php
new file mode 100644
index 0000000..9dd5de2
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary.php
@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+abstract class Twig_Node_Expression_Binary extends Twig_Node_Expression
+{
+ public function __construct(Twig_NodeInterface $left, Twig_NodeInterface $right, $lineno)
+ {
+ parent::__construct(array('left' => $left, 'right' => $right), array(), $lineno);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(')
+ ->subcompile($this->getNode('left'))
+ ->raw(' ')
+ ;
+ $this->operator($compiler);
+ $compiler
+ ->raw(' ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ abstract public function operator(Twig_Compiler $compiler);
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/Add.php b/core/vendor/Twig/Node/Expression/Binary/Add.php
new file mode 100644
index 0000000..0ef8e11
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/Add.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_Add extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('+');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/And.php b/core/vendor/Twig/Node/Expression/Binary/And.php
new file mode 100644
index 0000000..d5752eb
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/And.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_And extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('&&');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/BitwiseAnd.php b/core/vendor/Twig/Node/Expression/Binary/BitwiseAnd.php
new file mode 100644
index 0000000..9a46d84
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/BitwiseAnd.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_BitwiseAnd extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('&');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/BitwiseOr.php b/core/vendor/Twig/Node/Expression/Binary/BitwiseOr.php
new file mode 100644
index 0000000..058a20b
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/BitwiseOr.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_BitwiseOr extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('|');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/BitwiseXor.php b/core/vendor/Twig/Node/Expression/Binary/BitwiseXor.php
new file mode 100644
index 0000000..f4da73d44
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/BitwiseXor.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_BitwiseXor extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('^');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/Concat.php b/core/vendor/Twig/Node/Expression/Binary/Concat.php
new file mode 100644
index 0000000..f9a6462
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/Concat.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_Concat extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('.');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/Div.php b/core/vendor/Twig/Node/Expression/Binary/Div.php
new file mode 100644
index 0000000..e0797a6
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/Div.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_Div extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('/');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/Equal.php b/core/vendor/Twig/Node/Expression/Binary/Equal.php
new file mode 100644
index 0000000..7b1236d
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/Equal.php
@@ -0,0 +1,17 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_Equal extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('==');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/FloorDiv.php b/core/vendor/Twig/Node/Expression/Binary/FloorDiv.php
new file mode 100644
index 0000000..7fbd055
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/FloorDiv.php
@@ -0,0 +1,29 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_FloorDiv extends Twig_Node_Expression_Binary
+{
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->raw('intval(floor(');
+ parent::compile($compiler);
+ $compiler->raw('))');
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('/');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/Greater.php b/core/vendor/Twig/Node/Expression/Binary/Greater.php
new file mode 100644
index 0000000..a110bd9
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/Greater.php
@@ -0,0 +1,17 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_Greater extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('>');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/GreaterEqual.php b/core/vendor/Twig/Node/Expression/Binary/GreaterEqual.php
new file mode 100644
index 0000000..3754fed
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/GreaterEqual.php
@@ -0,0 +1,17 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_GreaterEqual extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('>=');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/In.php b/core/vendor/Twig/Node/Expression/Binary/In.php
new file mode 100644
index 0000000..788f937
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/In.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_In extends Twig_Node_Expression_Binary
+{
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('twig_in_filter(')
+ ->subcompile($this->getNode('left'))
+ ->raw(', ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('in');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/Less.php b/core/vendor/Twig/Node/Expression/Binary/Less.php
new file mode 100644
index 0000000..45fd300
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/Less.php
@@ -0,0 +1,17 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_Less extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('<');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/LessEqual.php b/core/vendor/Twig/Node/Expression/Binary/LessEqual.php
new file mode 100644
index 0000000..e38e257
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/LessEqual.php
@@ -0,0 +1,17 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_LessEqual extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('<=');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/Mod.php b/core/vendor/Twig/Node/Expression/Binary/Mod.php
new file mode 100644
index 0000000..9924114
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/Mod.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_Mod extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('%');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/Mul.php b/core/vendor/Twig/Node/Expression/Binary/Mul.php
new file mode 100644
index 0000000..c91529c
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/Mul.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_Mul extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('*');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/NotEqual.php b/core/vendor/Twig/Node/Expression/Binary/NotEqual.php
new file mode 100644
index 0000000..26867ba
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/NotEqual.php
@@ -0,0 +1,17 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_NotEqual extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('!=');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/NotIn.php b/core/vendor/Twig/Node/Expression/Binary/NotIn.php
new file mode 100644
index 0000000..f347b7b
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/NotIn.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_NotIn extends Twig_Node_Expression_Binary
+{
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('!twig_in_filter(')
+ ->subcompile($this->getNode('left'))
+ ->raw(', ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('not in');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/Or.php b/core/vendor/Twig/Node/Expression/Binary/Or.php
new file mode 100644
index 0000000..adba49c
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/Or.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_Or extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('||');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/Power.php b/core/vendor/Twig/Node/Expression/Binary/Power.php
new file mode 100644
index 0000000..b2c5904
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/Power.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_Power extends Twig_Node_Expression_Binary
+{
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('pow(')
+ ->subcompile($this->getNode('left'))
+ ->raw(', ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('**');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/Range.php b/core/vendor/Twig/Node/Expression/Binary/Range.php
new file mode 100644
index 0000000..bea4f2a
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/Range.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_Range extends Twig_Node_Expression_Binary
+{
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('range(')
+ ->subcompile($this->getNode('left'))
+ ->raw(', ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('..');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Binary/Sub.php b/core/vendor/Twig/Node/Expression/Binary/Sub.php
new file mode 100644
index 0000000..d446399
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Binary/Sub.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_Sub extends Twig_Node_Expression_Binary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('-');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/BlockReference.php b/core/vendor/Twig/Node/Expression/BlockReference.php
new file mode 100644
index 0000000..174d909
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/BlockReference.php
@@ -0,0 +1,52 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a block call node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Expression_BlockReference extends Twig_Node_Expression
+{
+ public function __construct(Twig_NodeInterface $name, $asString = false, $lineno, $tag = null)
+ {
+ parent::__construct(array('name' => $name), array('as_string' => $asString, 'output' => false), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ if ($this->getAttribute('as_string')) {
+ $compiler->raw('(string) ');
+ }
+
+ if ($this->getAttribute('output')) {
+ $compiler
+ ->addDebugInfo($this)
+ ->write("\$this->displayBlock(")
+ ->subcompile($this->getNode('name'))
+ ->raw(", \$context, \$blocks);\n")
+ ;
+ } else {
+ $compiler
+ ->raw("\$this->renderBlock(")
+ ->subcompile($this->getNode('name'))
+ ->raw(", \$context, \$blocks)")
+ ;
+ }
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Conditional.php b/core/vendor/Twig/Node/Expression/Conditional.php
new file mode 100644
index 0000000..edcb1e2
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Conditional.php
@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Conditional extends Twig_Node_Expression
+{
+ public function __construct(Twig_Node_Expression $expr1, Twig_Node_Expression $expr2, Twig_Node_Expression $expr3, $lineno)
+ {
+ parent::__construct(array('expr1' => $expr1, 'expr2' => $expr2, 'expr3' => $expr3), array(), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('((')
+ ->subcompile($this->getNode('expr1'))
+ ->raw(') ? (')
+ ->subcompile($this->getNode('expr2'))
+ ->raw(') : (')
+ ->subcompile($this->getNode('expr3'))
+ ->raw('))')
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Constant.php b/core/vendor/Twig/Node/Expression/Constant.php
new file mode 100644
index 0000000..a91dc69
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Constant.php
@@ -0,0 +1,23 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Constant extends Twig_Node_Expression
+{
+ public function __construct($value, $lineno)
+ {
+ parent::__construct(array(), array('value' => $value), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->repr($this->getAttribute('value'));
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/ExtensionReference.php b/core/vendor/Twig/Node/Expression/ExtensionReference.php
new file mode 100644
index 0000000..cb4efad
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/ExtensionReference.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents an extension call node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Expression_ExtensionReference extends Twig_Node_Expression
+{
+ public function __construct($name, $lineno, $tag = null)
+ {
+ parent::__construct(array(), array('name' => $name), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->raw(sprintf("\$this->env->getExtension('%s')", $this->getAttribute('name')));
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Filter.php b/core/vendor/Twig/Node/Expression/Filter.php
new file mode 100644
index 0000000..8a0903a
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Filter.php
@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Filter extends Twig_Node_Expression
+{
+ public function __construct(Twig_NodeInterface $node, Twig_Node_Expression_Constant $filterName, Twig_NodeInterface $arguments, $lineno, $tag = null)
+ {
+ parent::__construct(array('node' => $node, 'filter' => $filterName, 'arguments' => $arguments), array(), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $name = $this->getNode('filter')->getAttribute('value');
+
+ if (false === $filter = $compiler->getEnvironment()->getFilter($name)) {
+ $message = sprintf('The filter "%s" does not exist', $name);
+ if ($alternatives = $compiler->getEnvironment()->computeAlternatives($name, array_keys($compiler->getEnvironment()->getFilters()))) {
+ $message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives));
+ }
+
+ throw new Twig_Error_Syntax($message, $this->getLine());
+ }
+
+ $this->compileFilter($compiler, $filter);
+ }
+
+ protected function compileFilter(Twig_Compiler $compiler, Twig_FilterInterface $filter)
+ {
+ $compiler
+ ->raw($filter->compile().'(')
+ ->raw($filter->needsEnvironment() ? '$this->env, ' : '')
+ ->raw($filter->needsContext() ? '$context, ' : '')
+ ;
+
+ foreach ($filter->getArguments() as $argument) {
+ $compiler
+ ->string($argument)
+ ->raw(', ')
+ ;
+ }
+
+ $compiler->subcompile($this->getNode('node'));
+
+ foreach ($this->getNode('arguments') as $node) {
+ $compiler
+ ->raw(', ')
+ ->subcompile($node)
+ ;
+ }
+
+ $compiler->raw(')');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Filter/Default.php b/core/vendor/Twig/Node/Expression/Filter/Default.php
new file mode 100644
index 0000000..1cb3342
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Filter/Default.php
@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Returns the value or the default value when it is undefined or empty.
+ *
+ * <pre>
+ * {{ var.foo|default('foo item on var is not defined') }}
+ * </pre>
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Expression_Filter_Default extends Twig_Node_Expression_Filter
+{
+ public function __construct(Twig_NodeInterface $node, Twig_Node_Expression_Constant $filterName, Twig_NodeInterface $arguments, $lineno, $tag = null)
+ {
+ $default = new Twig_Node_Expression_Filter($node, new Twig_Node_Expression_Constant('_default', $node->getLine()), $arguments, $node->getLine());
+
+ if ('default' === $filterName->getAttribute('value') && ($node instanceof Twig_Node_Expression_Name || $node instanceof Twig_Node_Expression_GetAttr)) {
+ $test = new Twig_Node_Expression_Test_Defined(clone $node, 'defined', new Twig_Node(), $node->getLine());
+ $false = count($arguments) ? $arguments->getNode(0) : new Twig_Node_Expression_Constant('', $node->getLine());
+
+ $node = new Twig_Node_Expression_Conditional($test, $default, $false, $node->getLine());
+ } else {
+ $node = $default;
+ }
+
+ parent::__construct($node, $filterName, $arguments, $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->subcompile($this->getNode('node'));
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Function.php b/core/vendor/Twig/Node/Expression/Function.php
new file mode 100644
index 0000000..9342bb1
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Function.php
@@ -0,0 +1,66 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Function extends Twig_Node_Expression
+{
+ public function __construct($name, Twig_NodeInterface $arguments, $lineno)
+ {
+ parent::__construct(array('arguments' => $arguments), array('name' => $name), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $name = $this->getAttribute('name');
+
+ if (false === $function = $compiler->getEnvironment()->getFunction($name)) {
+ $message = sprintf('The function "%s" does not exist', $name);
+ if ($alternatives = $compiler->getEnvironment()->computeAlternatives($name, array_keys($compiler->getEnvironment()->getFunctions()))) {
+ $message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives));
+ }
+
+ throw new Twig_Error_Syntax($message, $this->getLine());
+ }
+
+ $compiler->raw($function->compile().'(');
+
+ $first = true;
+
+ if ($function->needsEnvironment()) {
+ $compiler->raw('$this->env');
+ $first = false;
+ }
+
+ if ($function->needsContext()) {
+ if (!$first) {
+ $compiler->raw(', ');
+ }
+ $compiler->raw('$context');
+ $first = false;
+ }
+
+ foreach ($function->getArguments() as $argument) {
+ if (!$first) {
+ $compiler->raw(', ');
+ }
+ $compiler->string($argument);
+ $first = false;
+ }
+
+ foreach ($this->getNode('arguments') as $node) {
+ if (!$first) {
+ $compiler->raw(', ');
+ }
+ $compiler->subcompile($node);
+ $first = false;
+ }
+
+ $compiler->raw(')');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/GetAttr.php b/core/vendor/Twig/Node/Expression/GetAttr.php
new file mode 100644
index 0000000..6498444
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/GetAttr.php
@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_GetAttr extends Twig_Node_Expression
+{
+ public function __construct(Twig_Node_Expression $node, Twig_Node_Expression $attribute, Twig_Node_Expression_Array $arguments, $type, $lineno)
+ {
+ parent::__construct(array('node' => $node, 'attribute' => $attribute, 'arguments' => $arguments), array('type' => $type, 'is_defined_test' => false, 'ignore_strict_check' => false), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ if (function_exists('twig_template_get_attributes')) {
+ $compiler->raw('twig_template_get_attributes($this, ');
+ } else {
+ $compiler->raw('$this->getAttribute(');
+ }
+
+ if ($this->getAttribute('ignore_strict_check')) {
+ $this->getNode('node')->setAttribute('ignore_strict_check', true);
+ }
+
+ $compiler->subcompile($this->getNode('node'));
+
+ $compiler->raw(', ')->subcompile($this->getNode('attribute'));
+
+ if (count($this->getNode('arguments')) || Twig_TemplateInterface::ANY_CALL !== $this->getAttribute('type') || $this->getAttribute('is_defined_test') || $this->getAttribute('ignore_strict_check')) {
+ $compiler->raw(', ')->subcompile($this->getNode('arguments'));
+
+ if (Twig_TemplateInterface::ANY_CALL !== $this->getAttribute('type') || $this->getAttribute('is_defined_test') || $this->getAttribute('ignore_strict_check')) {
+ $compiler->raw(', ')->repr($this->getAttribute('type'));
+ }
+
+ if ($this->getAttribute('is_defined_test') || $this->getAttribute('ignore_strict_check')) {
+ $compiler->raw(', '.($this->getAttribute('is_defined_test') ? 'true' : 'false'));
+ }
+
+ if ($this->getAttribute('ignore_strict_check')) {
+ $compiler->raw(', '.($this->getAttribute('ignore_strict_check') ? 'true' : 'false'));
+ }
+ }
+
+ $compiler->raw(')');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/MethodCall.php b/core/vendor/Twig/Node/Expression/MethodCall.php
new file mode 100644
index 0000000..5093808
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/MethodCall.php
@@ -0,0 +1,37 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2012 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_MethodCall extends Twig_Node_Expression
+{
+ public function __construct(Twig_Node_Expression $node, $method, Twig_Node_Expression_Array $arguments, $lineno)
+ {
+ parent::__construct(array('node' => $node, 'arguments' => $arguments), array('method' => $method, 'safe' => false), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->subcompile($this->getNode('node'))
+ ->raw('->')
+ ->raw($this->getAttribute('method'))
+ ->raw('(')
+ ;
+ $first = true;
+ foreach ($this->getNode('arguments')->getKeyValuePairs() as $pair) {
+ if (!$first) {
+ $compiler->raw(', ');
+ }
+ $first = false;
+
+ $compiler->subcompile($pair['value']);
+ }
+ $compiler->raw(')');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Name.php b/core/vendor/Twig/Node/Expression/Name.php
new file mode 100644
index 0000000..8f5a1ea
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Name.php
@@ -0,0 +1,76 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Name extends Twig_Node_Expression
+{
+ protected $specialVars = array(
+ '_self' => '$this',
+ '_context' => '$context',
+ '_charset' => '$this->env->getCharset()',
+ );
+
+ public function __construct($name, $lineno)
+ {
+ parent::__construct(array(), array('name' => $name, 'is_defined_test' => false, 'ignore_strict_check' => false), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $name = $this->getAttribute('name');
+
+ if ($this->getAttribute('is_defined_test')) {
+ if ($this->isSpecial()) {
+ $compiler->repr(true);
+ } else {
+ $compiler->raw('array_key_exists(')->repr($name)->raw(', $context)');
+ }
+ } elseif ($this->isSpecial()) {
+ $compiler->raw($this->specialVars[$name]);
+ } else {
+ // remove the non-PHP 5.4 version when PHP 5.3 support is dropped
+ // as the non-optimized version is just a workaround for slow ternary operator
+ // when the context has a lot of variables
+ if (version_compare(phpversion(), '5.4.0RC1', '>=') && ($this->getAttribute('ignore_strict_check') || !$compiler->getEnvironment()->isStrictVariables())) {
+ // PHP 5.4 ternary operator performance was optimized
+ $compiler
+ ->raw('(isset($context[')
+ ->string($name)
+ ->raw(']) ? $context[')
+ ->string($name)
+ ->raw('] : null)')
+ ;
+ } else {
+ $compiler
+ ->raw('$this->getContext($context, ')
+ ->string($name)
+ ;
+
+ if ($this->getAttribute('ignore_strict_check')) {
+ $compiler->raw(', true');
+ }
+
+ $compiler
+ ->raw(')')
+ ;
+ }
+ }
+ }
+
+ public function isSpecial()
+ {
+ return isset($this->specialVars[$this->getAttribute('name')]);
+ }
+
+ public function isSimple()
+ {
+ return !$this->isSpecial() && !$this->getAttribute('is_defined_test');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Parent.php b/core/vendor/Twig/Node/Expression/Parent.php
new file mode 100644
index 0000000..ea97349
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Parent.php
@@ -0,0 +1,48 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a parent node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Expression_Parent extends Twig_Node_Expression
+{
+ public function __construct($name, $lineno, $tag = null)
+ {
+ parent::__construct(array(), array('output' => false, 'name' => $name), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ if ($this->getAttribute('output')) {
+ $compiler
+ ->addDebugInfo($this)
+ ->write("\$this->displayParentBlock(")
+ ->string($this->getAttribute('name'))
+ ->raw(", \$context, \$blocks);\n")
+ ;
+ } else {
+ $compiler
+ ->raw("\$this->renderParentBlock(")
+ ->string($this->getAttribute('name'))
+ ->raw(", \$context, \$blocks)")
+ ;
+ }
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/TempName.php b/core/vendor/Twig/Node/Expression/TempName.php
new file mode 100644
index 0000000..e6b058e
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/TempName.php
@@ -0,0 +1,26 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_TempName extends Twig_Node_Expression
+{
+ public function __construct($name, $lineno)
+ {
+ parent::__construct(array(), array('name' => $name), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('$_')
+ ->raw($this->getAttribute('name'))
+ ->raw('_')
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Test.php b/core/vendor/Twig/Node/Expression/Test.php
new file mode 100644
index 0000000..4e0b25e
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Test.php
@@ -0,0 +1,54 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Test extends Twig_Node_Expression
+{
+ public function __construct(Twig_NodeInterface $node, $name, Twig_NodeInterface $arguments = null, $lineno)
+ {
+ parent::__construct(array('node' => $node, 'arguments' => $arguments), array('name' => $name), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $name = $this->getAttribute('name');
+ $testMap = $compiler->getEnvironment()->getTests();
+ if (!isset($testMap[$name])) {
+ $message = sprintf('The test "%s" does not exist', $name);
+ if ($alternatives = $compiler->getEnvironment()->computeAlternatives($name, array_keys($compiler->getEnvironment()->getTests()))) {
+ $message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives));
+ }
+
+ throw new Twig_Error_Syntax($message, $this->getLine());
+ }
+
+ $name = $this->getAttribute('name');
+ $node = $this->getNode('node');
+
+ $compiler
+ ->raw($testMap[$name]->compile().'(')
+ ->subcompile($node)
+ ;
+
+ if (null !== $this->getNode('arguments')) {
+ $compiler->raw(', ');
+
+ $max = count($this->getNode('arguments')) - 1;
+ foreach ($this->getNode('arguments') as $i => $arg) {
+ $compiler->subcompile($arg);
+
+ if ($i != $max) {
+ $compiler->raw(', ');
+ }
+ }
+ }
+
+ $compiler->raw(')');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Test/Constant.php b/core/vendor/Twig/Node/Expression/Test/Constant.php
new file mode 100644
index 0000000..6e6b6fd
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Test/Constant.php
@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Checks if a variable is the exact same value as a constant.
+ *
+ * <pre>
+ * {% if post.status is constant('Post::PUBLISHED') %}
+ * the status attribute is exactly the same as Post::PUBLISHED
+ * {% endif %}
+ * </pre>
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Expression_Test_Constant extends Twig_Node_Expression_Test
+{
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(')
+ ->subcompile($this->getNode('node'))
+ ->raw(' === constant(')
+ ->subcompile($this->getNode('arguments')->getNode(0))
+ ->raw('))')
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Test/Defined.php b/core/vendor/Twig/Node/Expression/Test/Defined.php
new file mode 100644
index 0000000..e7c6828
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Test/Defined.php
@@ -0,0 +1,55 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Checks if a variable is defined in the current context.
+ *
+ * <pre>
+ * {# defined works with variable names and variable attributes #}
+ * {% if foo is defined %}
+ * {# ... #}
+ * {% endif %}
+ * </pre>
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Expression_Test_Defined extends Twig_Node_Expression_Test
+{
+ public function __construct(Twig_NodeInterface $node, $name, Twig_NodeInterface $arguments = null, $lineno)
+ {
+ parent::__construct($node, $name, $arguments, $lineno);
+
+ if ($node instanceof Twig_Node_Expression_Name) {
+ $node->setAttribute('is_defined_test', true);
+ } elseif ($node instanceof Twig_Node_Expression_GetAttr) {
+ $node->setAttribute('is_defined_test', true);
+
+ $this->changeIgnoreStrictCheck($node);
+ } else {
+ throw new Twig_Error_Syntax('The "defined" test only works with simple variables', $this->getLine());
+ }
+ }
+
+ protected function changeIgnoreStrictCheck(Twig_Node_Expression_GetAttr $node)
+ {
+ $node->setAttribute('ignore_strict_check', true);
+
+ if ($node->getNode('node') instanceof Twig_Node_Expression_GetAttr) {
+ $this->changeIgnoreStrictCheck($node->getNode('node'));
+ }
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->subcompile($this->getNode('node'));
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Test/Divisibleby.php b/core/vendor/Twig/Node/Expression/Test/Divisibleby.php
new file mode 100644
index 0000000..05563d5
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Test/Divisibleby.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Checks if a variable is divisible by a number.
+ *
+ * <pre>
+ * {% if loop.index is divisibleby(3) %}
+ * </pre>
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Expression_Test_Divisibleby extends Twig_Node_Expression_Test
+{
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(0 == ')
+ ->subcompile($this->getNode('node'))
+ ->raw(' % ')
+ ->subcompile($this->getNode('arguments')->getNode(0))
+ ->raw(')')
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Test/Even.php b/core/vendor/Twig/Node/Expression/Test/Even.php
new file mode 100644
index 0000000..08e6d82
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Test/Even.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Checks if a number is even.
+ *
+ * <pre>
+ * {{ var is even }}
+ * </pre>
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Expression_Test_Even extends Twig_Node_Expression_Test
+{
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(')
+ ->subcompile($this->getNode('node'))
+ ->raw(' % 2 == 0')
+ ->raw(')')
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Test/Null.php b/core/vendor/Twig/Node/Expression/Test/Null.php
new file mode 100644
index 0000000..55061db
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Test/Null.php
@@ -0,0 +1,32 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Checks that a variable is null.
+ *
+ * <pre>
+ * {{ var is none }}
+ * </pre>
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Expression_Test_Null extends Twig_Node_Expression_Test
+{
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(null === ')
+ ->subcompile($this->getNode('node'))
+ ->raw(')')
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Test/Odd.php b/core/vendor/Twig/Node/Expression/Test/Odd.php
new file mode 100644
index 0000000..5fecebc
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Test/Odd.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Checks if a number is odd.
+ *
+ * <pre>
+ * {{ var is odd }}
+ * </pre>
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Expression_Test_Odd extends Twig_Node_Expression_Test
+{
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(')
+ ->subcompile($this->getNode('node'))
+ ->raw(' % 2 == 1')
+ ->raw(')')
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Test/Sameas.php b/core/vendor/Twig/Node/Expression/Test/Sameas.php
new file mode 100644
index 0000000..8639b96
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Test/Sameas.php
@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Checks if a variable is the same as another one (=== in PHP).
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Expression_Test_Sameas extends Twig_Node_Expression_Test
+{
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(')
+ ->subcompile($this->getNode('node'))
+ ->raw(' === ')
+ ->subcompile($this->getNode('arguments')->getNode(0))
+ ->raw(')')
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Unary.php b/core/vendor/Twig/Node/Expression/Unary.php
new file mode 100644
index 0000000..c514388
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Unary.php
@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+abstract class Twig_Node_Expression_Unary extends Twig_Node_Expression
+{
+ public function __construct(Twig_NodeInterface $node, $lineno)
+ {
+ parent::__construct(array('node' => $node), array(), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->raw('(');
+ $this->operator($compiler);
+ $compiler
+ ->subcompile($this->getNode('node'))
+ ->raw(')')
+ ;
+ }
+
+ abstract public function operator(Twig_Compiler $compiler);
+}
diff --git a/core/vendor/Twig/Node/Expression/Unary/Neg.php b/core/vendor/Twig/Node/Expression/Unary/Neg.php
new file mode 100644
index 0000000..2a3937e
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Unary/Neg.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Unary_Neg extends Twig_Node_Expression_Unary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ $compiler->raw('-');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Unary/Not.php b/core/vendor/Twig/Node/Expression/Unary/Not.php
new file mode 100644
index 0000000..f94073c
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Unary/Not.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Unary_Not extends Twig_Node_Expression_Unary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ $compiler->raw('!');
+ }
+}
diff --git a/core/vendor/Twig/Node/Expression/Unary/Pos.php b/core/vendor/Twig/Node/Expression/Unary/Pos.php
new file mode 100644
index 0000000..04edb52
--- /dev/null
+++ b/core/vendor/Twig/Node/Expression/Unary/Pos.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Unary_Pos extends Twig_Node_Expression_Unary
+{
+ public function operator(Twig_Compiler $compiler)
+ {
+ $compiler->raw('+');
+ }
+}
diff --git a/core/vendor/Twig/Node/Flush.php b/core/vendor/Twig/Node/Flush.php
new file mode 100644
index 0000000..8f2ab9d
--- /dev/null
+++ b/core/vendor/Twig/Node/Flush.php
@@ -0,0 +1,37 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a flush node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Flush extends Twig_Node
+{
+ public function __construct($lineno, $tag)
+ {
+ parent::__construct(array(), array(), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write("flush();\n")
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/For.php b/core/vendor/Twig/Node/For.php
new file mode 100644
index 0000000..d9d25b3
--- /dev/null
+++ b/core/vendor/Twig/Node/For.php
@@ -0,0 +1,113 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a for node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_For extends Twig_Node
+{
+ protected $loop;
+
+ public function __construct(Twig_Node_Expression_AssignName $keyTarget, Twig_Node_Expression_AssignName $valueTarget, Twig_Node_Expression $seq, Twig_Node_Expression $ifexpr = null, Twig_NodeInterface $body, Twig_NodeInterface $else = null, $lineno, $tag = null)
+ {
+ $body = new Twig_Node(array($body, $this->loop = new Twig_Node_ForLoop($lineno, $tag)));
+
+ if (null !== $ifexpr) {
+ $body = new Twig_Node_If(new Twig_Node(array($ifexpr, $body)), null, $lineno, $tag);
+ }
+
+ parent::__construct(array('key_target' => $keyTarget, 'value_target' => $valueTarget, 'seq' => $seq, 'body' => $body, 'else' => $else), array('with_loop' => true, 'ifexpr' => null !== $ifexpr), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ // the (array) cast bypasses a PHP 5.2.6 bug
+ ->write("\$context['_parent'] = (array) \$context;\n")
+ ->write("\$context['_seq'] = twig_ensure_traversable(")
+ ->subcompile($this->getNode('seq'))
+ ->raw(");\n")
+ ;
+
+ if (null !== $this->getNode('else')) {
+ $compiler->write("\$context['_iterated'] = false;\n");
+ }
+
+ if ($this->getAttribute('with_loop')) {
+ $compiler
+ ->write("\$context['loop'] = array(\n")
+ ->write(" 'parent' => \$context['_parent'],\n")
+ ->write(" 'index0' => 0,\n")
+ ->write(" 'index' => 1,\n")
+ ->write(" 'first' => true,\n")
+ ->write(");\n")
+ ;
+
+ if (!$this->getAttribute('ifexpr')) {
+ $compiler
+ ->write("if (is_array(\$context['_seq']) || (is_object(\$context['_seq']) && \$context['_seq'] instanceof Countable)) {\n")
+ ->indent()
+ ->write("\$length = count(\$context['_seq']);\n")
+ ->write("\$context['loop']['revindex0'] = \$length - 1;\n")
+ ->write("\$context['loop']['revindex'] = \$length;\n")
+ ->write("\$context['loop']['length'] = \$length;\n")
+ ->write("\$context['loop']['last'] = 1 === \$length;\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+ }
+
+ $this->loop->setAttribute('else', null !== $this->getNode('else'));
+ $this->loop->setAttribute('with_loop', $this->getAttribute('with_loop'));
+ $this->loop->setAttribute('ifexpr', $this->getAttribute('ifexpr'));
+
+ $compiler
+ ->write("foreach (\$context['_seq'] as ")
+ ->subcompile($this->getNode('key_target'))
+ ->raw(" => ")
+ ->subcompile($this->getNode('value_target'))
+ ->raw(") {\n")
+ ->indent()
+ ->subcompile($this->getNode('body'))
+ ->outdent()
+ ->write("}\n")
+ ;
+
+ if (null !== $this->getNode('else')) {
+ $compiler
+ ->write("if (!\$context['_iterated']) {\n")
+ ->indent()
+ ->subcompile($this->getNode('else'))
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+
+ $compiler->write("\$_parent = \$context['_parent'];\n");
+
+ // remove some "private" loop variables (needed for nested loops)
+ $compiler->write('unset($context[\'_seq\'], $context[\'_iterated\'], $context[\''.$this->getNode('key_target')->getAttribute('name').'\'], $context[\''.$this->getNode('value_target')->getAttribute('name').'\'], $context[\'_parent\'], $context[\'loop\']);'."\n");
+
+ // keep the values set in the inner context for variables defined in the outer context
+ $compiler->write("\$context = array_merge(\$_parent, array_intersect_key(\$context, \$_parent));\n");
+ }
+}
diff --git a/core/vendor/Twig/Node/ForLoop.php b/core/vendor/Twig/Node/ForLoop.php
new file mode 100644
index 0000000..38f2e85
--- /dev/null
+++ b/core/vendor/Twig/Node/ForLoop.php
@@ -0,0 +1,56 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Internal node used by the for node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_ForLoop extends Twig_Node
+{
+ public function __construct($lineno, $tag = null)
+ {
+ parent::__construct(array(), array('with_loop' => false, 'ifexpr' => false, 'else' => false), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ if ($this->getAttribute('else')) {
+ $compiler->write("\$context['_iterated'] = true;\n");
+ }
+
+ if ($this->getAttribute('with_loop')) {
+ $compiler
+ ->write("++\$context['loop']['index0'];\n")
+ ->write("++\$context['loop']['index'];\n")
+ ->write("\$context['loop']['first'] = false;\n")
+ ;
+
+ if (!$this->getAttribute('ifexpr')) {
+ $compiler
+ ->write("if (isset(\$context['loop']['length'])) {\n")
+ ->indent()
+ ->write("--\$context['loop']['revindex0'];\n")
+ ->write("--\$context['loop']['revindex'];\n")
+ ->write("\$context['loop']['last'] = 0 === \$context['loop']['revindex0'];\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+ }
+ }
+}
diff --git a/core/vendor/Twig/Node/If.php b/core/vendor/Twig/Node/If.php
new file mode 100644
index 0000000..aa12efb
--- /dev/null
+++ b/core/vendor/Twig/Node/If.php
@@ -0,0 +1,67 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents an if node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_If extends Twig_Node
+{
+ public function __construct(Twig_NodeInterface $tests, Twig_NodeInterface $else = null, $lineno, $tag = null)
+ {
+ parent::__construct(array('tests' => $tests, 'else' => $else), array(), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->addDebugInfo($this);
+ for ($i = 0; $i < count($this->getNode('tests')); $i += 2) {
+ if ($i > 0) {
+ $compiler
+ ->outdent()
+ ->write("} elseif (")
+ ;
+ } else {
+ $compiler
+ ->write('if (')
+ ;
+ }
+
+ $compiler
+ ->subcompile($this->getNode('tests')->getNode($i))
+ ->raw(") {\n")
+ ->indent()
+ ->subcompile($this->getNode('tests')->getNode($i + 1))
+ ;
+ }
+
+ if ($this->hasNode('else') && null !== $this->getNode('else')) {
+ $compiler
+ ->outdent()
+ ->write("} else {\n")
+ ->indent()
+ ->subcompile($this->getNode('else'))
+ ;
+ }
+
+ $compiler
+ ->outdent()
+ ->write("}\n");
+ }
+}
diff --git a/core/vendor/Twig/Node/Import.php b/core/vendor/Twig/Node/Import.php
new file mode 100644
index 0000000..a327411
--- /dev/null
+++ b/core/vendor/Twig/Node/Import.php
@@ -0,0 +1,51 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents an import node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Import extends Twig_Node
+{
+ public function __construct(Twig_Node_Expression $expr, Twig_Node_Expression $var, $lineno, $tag = null)
+ {
+ parent::__construct(array('expr' => $expr, 'var' => $var), array(), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('')
+ ->subcompile($this->getNode('var'))
+ ->raw(' = ')
+ ;
+
+ if ($this->getNode('expr') instanceof Twig_Node_Expression_Name && '_self' === $this->getNode('expr')->getAttribute('name')) {
+ $compiler->raw("\$this");
+ } else {
+ $compiler
+ ->raw('$this->env->loadTemplate(')
+ ->subcompile($this->getNode('expr'))
+ ->raw(")")
+ ;
+ }
+
+ $compiler->raw(";\n");
+ }
+}
diff --git a/core/vendor/Twig/Node/Include.php b/core/vendor/Twig/Node/Include.php
new file mode 100644
index 0000000..5b6be7a
--- /dev/null
+++ b/core/vendor/Twig/Node/Include.php
@@ -0,0 +1,100 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents an include node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Include extends Twig_Node implements Twig_NodeOutputInterface
+{
+ public function __construct(Twig_Node_Expression $expr, Twig_Node_Expression $variables = null, $only = false, $ignoreMissing = false, $lineno, $tag = null)
+ {
+ parent::__construct(array('expr' => $expr, 'variables' => $variables), array('only' => (Boolean) $only, 'ignore_missing' => (Boolean) $ignoreMissing), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->addDebugInfo($this);
+
+ if ($this->getAttribute('ignore_missing')) {
+ $compiler
+ ->write("try {\n")
+ ->indent()
+ ;
+ }
+
+ $this->addGetTemplate($compiler);
+
+ $compiler->raw('->display(');
+
+ $this->addTemplateArguments($compiler);
+
+ $compiler->raw(");\n");
+
+ if ($this->getAttribute('ignore_missing')) {
+ $compiler
+ ->outdent()
+ ->write("} catch (Twig_Error_Loader \$e) {\n")
+ ->indent()
+ ->write("// ignore missing template\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+ }
+
+ protected function addGetTemplate(Twig_Compiler $compiler)
+ {
+ if ($this->getNode('expr') instanceof Twig_Node_Expression_Constant) {
+ $compiler
+ ->write("\$this->env->loadTemplate(")
+ ->subcompile($this->getNode('expr'))
+ ->raw(")")
+ ;
+ } else {
+ $compiler
+ ->write("\$template = \$this->env->resolveTemplate(")
+ ->subcompile($this->getNode('expr'))
+ ->raw(");\n")
+ ->write('$template')
+ ;
+ }
+ }
+
+ protected function addTemplateArguments(Twig_Compiler $compiler)
+ {
+ if (false === $this->getAttribute('only')) {
+ if (null === $this->getNode('variables')) {
+ $compiler->raw('$context');
+ } else {
+ $compiler
+ ->raw('array_merge($context, ')
+ ->subcompile($this->getNode('variables'))
+ ->raw(')')
+ ;
+ }
+ } else {
+ if (null === $this->getNode('variables')) {
+ $compiler->raw('array()');
+ } else {
+ $compiler->subcompile($this->getNode('variables'));
+ }
+ }
+ }
+}
diff --git a/core/vendor/Twig/Node/Macro.php b/core/vendor/Twig/Node/Macro.php
new file mode 100644
index 0000000..e0c3dca
--- /dev/null
+++ b/core/vendor/Twig/Node/Macro.php
@@ -0,0 +1,84 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a macro node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Macro extends Twig_Node
+{
+ public function __construct($name, Twig_NodeInterface $body, Twig_NodeInterface $arguments, $lineno, $tag = null)
+ {
+ parent::__construct(array('body' => $body, 'arguments' => $arguments), array('name' => $name), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $arguments = array();
+ foreach ($this->getNode('arguments') as $argument) {
+ $arguments[] = '$'.$argument->getAttribute('name').' = null';
+ }
+
+ $compiler
+ ->addDebugInfo($this)
+ ->write(sprintf("public function get%s(%s)\n", $this->getAttribute('name'), implode(', ', $arguments)), "{\n")
+ ->indent()
+ ;
+
+ if (!count($this->getNode('arguments'))) {
+ $compiler->write("\$context = \$this->env->getGlobals();\n\n");
+ } else {
+ $compiler
+ ->write("\$context = \$this->env->mergeGlobals(array(\n")
+ ->indent()
+ ;
+
+ foreach ($this->getNode('arguments') as $argument) {
+ $compiler
+ ->write('')
+ ->string($argument->getAttribute('name'))
+ ->raw(' => $'.$argument->getAttribute('name'))
+ ->raw(",\n")
+ ;
+ }
+
+ $compiler
+ ->outdent()
+ ->write("));\n\n")
+ ;
+ }
+
+ $compiler
+ ->write("\$blocks = array();\n\n")
+ ->write("ob_start();\n")
+ ->write("try {\n")
+ ->indent()
+ ->subcompile($this->getNode('body'))
+ ->outdent()
+ ->write("} catch(Exception \$e) {\n")
+ ->indent()
+ ->write("ob_end_clean();\n\n")
+ ->write("throw \$e;\n")
+ ->outdent()
+ ->write("}\n\n")
+ ->write("return ob_get_clean();\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Module.php b/core/vendor/Twig/Node/Module.php
new file mode 100644
index 0000000..4c7a107
--- /dev/null
+++ b/core/vendor/Twig/Node/Module.php
@@ -0,0 +1,372 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a module node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Module extends Twig_Node
+{
+ public function __construct(Twig_NodeInterface $body, Twig_Node_Expression $parent = null, Twig_NodeInterface $blocks, Twig_NodeInterface $macros, Twig_NodeInterface $traits, $embeddedTemplates, $filename)
+ {
+ // embedded templates are set as attributes so that they are only visited once by the visitors
+ parent::__construct(array('parent' => $parent, 'body' => $body, 'blocks' => $blocks, 'macros' => $macros, 'traits' => $traits), array('filename' => $filename, 'index' => null, 'embedded_templates' => $embeddedTemplates), 1);
+ }
+
+ public function setIndex($index)
+ {
+ $this->setAttribute('index', $index);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $this->compileTemplate($compiler);
+
+ foreach ($this->getAttribute('embedded_templates') as $template) {
+ $compiler->subcompile($template);
+ }
+ }
+
+ protected function compileTemplate(Twig_Compiler $compiler)
+ {
+ if (!$this->getAttribute('index')) {
+ $compiler->write('<?php');
+ }
+
+ $this->compileClassHeader($compiler);
+
+ if (count($this->getNode('blocks')) || count($this->getNode('traits')) || null === $this->getNode('parent') || $this->getNode('parent') instanceof Twig_Node_Expression_Constant) {
+ $this->compileConstructor($compiler);
+ }
+
+ $this->compileGetParent($compiler);
+
+ $this->compileDisplayHeader($compiler);
+
+ $this->compileDisplayBody($compiler);
+
+ $this->compileDisplayFooter($compiler);
+
+ $compiler->subcompile($this->getNode('blocks'));
+
+ $this->compileMacros($compiler);
+
+ $this->compileGetTemplateName($compiler);
+
+ $this->compileIsTraitable($compiler);
+
+ $this->compileDebugInfo($compiler);
+
+ $this->compileClassFooter($compiler);
+ }
+
+ protected function compileGetParent(Twig_Compiler $compiler)
+ {
+ if (null === $this->getNode('parent')) {
+ return;
+ }
+
+ $compiler
+ ->write("protected function doGetParent(array \$context)\n", "{\n")
+ ->indent()
+ ->write("return ")
+ ;
+
+ if ($this->getNode('parent') instanceof Twig_Node_Expression_Constant) {
+ $compiler->subcompile($this->getNode('parent'));
+ } else {
+ $compiler
+ ->raw("\$this->env->resolveTemplate(")
+ ->subcompile($this->getNode('parent'))
+ ->raw(")")
+ ;
+ }
+
+ $compiler
+ ->raw(";\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileDisplayBody(Twig_Compiler $compiler)
+ {
+ $compiler->subcompile($this->getNode('body'));
+
+ if (null !== $this->getNode('parent')) {
+ if ($this->getNode('parent') instanceof Twig_Node_Expression_Constant) {
+ $compiler->write("\$this->parent");
+ } else {
+ $compiler->write("\$this->getParent(\$context)");
+ }
+ $compiler->raw("->display(\$context, array_merge(\$this->blocks, \$blocks));\n");
+ }
+ }
+
+ protected function compileClassHeader(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("\n\n")
+ // if the filename contains */, add a blank to avoid a PHP parse error
+ ->write("/* ".str_replace('*/', '* /', $this->getAttribute('filename'))." */\n")
+ ->write('class '.$compiler->getEnvironment()->getTemplateClass($this->getAttribute('filename'), $this->getAttribute('index')))
+ ->raw(sprintf(" extends %s\n", $compiler->getEnvironment()->getBaseTemplateClass()))
+ ->write("{\n")
+ ->indent()
+ ;
+ }
+
+ protected function compileConstructor(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("public function __construct(Twig_Environment \$env)\n", "{\n")
+ ->indent()
+ ->write("parent::__construct(\$env);\n\n")
+ ;
+
+ // parent
+ if (null === $this->getNode('parent')) {
+ $compiler->write("\$this->parent = false;\n\n");
+ } elseif ($this->getNode('parent') instanceof Twig_Node_Expression_Constant) {
+ $compiler
+ ->write("\$this->parent = \$this->env->loadTemplate(")
+ ->subcompile($this->getNode('parent'))
+ ->raw(");\n\n")
+ ;
+ }
+
+ $countTraits = count($this->getNode('traits'));
+ if ($countTraits) {
+ // traits
+ foreach ($this->getNode('traits') as $i => $trait) {
+ $this->compileLoadTemplate($compiler, $trait->getNode('template'), sprintf('$_trait_%s', $i));
+
+ $compiler
+ ->addDebugInfo($trait->getNode('template'))
+ ->write(sprintf("if (!\$_trait_%s->isTraitable()) {\n", $i))
+ ->indent()
+ ->write("throw new Twig_Error_Runtime('Template \"'.")
+ ->subcompile($trait->getNode('template'))
+ ->raw(".'\" cannot be used as a trait.');\n")
+ ->outdent()
+ ->write("}\n")
+ ->write(sprintf("\$_trait_%s_blocks = \$_trait_%s->getBlocks();\n\n", $i, $i))
+ ;
+
+ foreach ($trait->getNode('targets') as $key => $value) {
+ $compiler
+ ->write(sprintf("\$_trait_%s_blocks[", $i))
+ ->subcompile($value)
+ ->raw(sprintf("] = \$_trait_%s_blocks[", $i))
+ ->string($key)
+ ->raw(sprintf("]; unset(\$_trait_%s_blocks[", $i))
+ ->string($key)
+ ->raw("]);\n\n")
+ ;
+ }
+ }
+
+ if ($countTraits > 1) {
+ $compiler
+ ->write("\$this->traits = array_merge(\n")
+ ->indent()
+ ;
+
+ for ($i = 0; $i < $countTraits; $i++) {
+ $compiler
+ ->write(sprintf("\$_trait_%s_blocks".($i == $countTraits - 1 ? '' : ',')."\n", $i))
+ ;
+ }
+
+ $compiler
+ ->outdent()
+ ->write(");\n\n")
+ ;
+ } else {
+ $compiler
+ ->write("\$this->traits = \$_trait_0_blocks;\n\n")
+ ;
+ }
+
+ $compiler
+ ->write("\$this->blocks = array_merge(\n")
+ ->indent()
+ ->write("\$this->traits,\n")
+ ->write("array(\n")
+ ;
+ } else {
+ $compiler
+ ->write("\$this->blocks = array(\n")
+ ;
+ }
+
+ // blocks
+ $compiler
+ ->indent()
+ ;
+
+ foreach ($this->getNode('blocks') as $name => $node) {
+ $compiler
+ ->write(sprintf("'%s' => array(\$this, 'block_%s'),\n", $name, $name))
+ ;
+ }
+
+ if ($countTraits) {
+ $compiler
+ ->outdent()
+ ->write(")\n")
+ ;
+ }
+
+ $compiler
+ ->outdent()
+ ->write(");\n")
+ ->outdent()
+ ->write("}\n\n");
+ ;
+ }
+
+ protected function compileDisplayHeader(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("protected function doDisplay(array \$context, array \$blocks = array())\n", "{\n")
+ ->indent()
+ ;
+ }
+
+ protected function compileDisplayFooter(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileClassFooter(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+
+ protected function compileMacros(Twig_Compiler $compiler)
+ {
+ $compiler->subcompile($this->getNode('macros'));
+ }
+
+ protected function compileGetTemplateName(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("public function getTemplateName()\n", "{\n")
+ ->indent()
+ ->write('return ')
+ ->repr($this->getAttribute('filename'))
+ ->raw(";\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileIsTraitable(Twig_Compiler $compiler)
+ {
+ // A template can be used as a trait if:
+ // * it has no parent
+ // * it has no macros
+ // * it has no body
+ //
+ // Put another way, a template can be used as a trait if it
+ // only contains blocks and use statements.
+ $traitable = null === $this->getNode('parent') && 0 === count($this->getNode('macros'));
+ if ($traitable) {
+ if ($this->getNode('body') instanceof Twig_Node_Body) {
+ $nodes = $this->getNode('body')->getNode(0);
+ } else {
+ $nodes = $this->getNode('body');
+ }
+
+ if (!count($nodes)) {
+ $nodes = new Twig_Node(array($nodes));
+ }
+
+ foreach ($nodes as $node) {
+ if (!count($node)) {
+ continue;
+ }
+
+ if ($node instanceof Twig_Node_Text && ctype_space($node->getAttribute('data'))) {
+ continue;
+ }
+
+ if ($node instanceof Twig_Node_BlockReference) {
+ continue;
+ }
+
+ $traitable = false;
+ break;
+ }
+ }
+
+ if ($traitable) {
+ return;
+ }
+
+ $compiler
+ ->write("public function isTraitable()\n", "{\n")
+ ->indent()
+ ->write(sprintf("return %s;\n", $traitable ? 'true' : 'false'))
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileDebugInfo(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("public function getDebugInfo()\n", "{\n")
+ ->indent()
+ ->write(sprintf("return %s;\n", str_replace("\n", '', var_export(array_reverse($compiler->getDebugInfo(), true), true))))
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+
+ protected function compileLoadTemplate(Twig_Compiler $compiler, $node, $var)
+ {
+ if ($node instanceof Twig_Node_Expression_Constant) {
+ $compiler
+ ->write(sprintf("%s = \$this->env->loadTemplate(", $var))
+ ->subcompile($node)
+ ->raw(");\n")
+ ;
+ } else {
+ $compiler
+ ->write(sprintf("%s = ", $var))
+ ->subcompile($node)
+ ->raw(";\n")
+ ->write(sprintf("if (!%s", $var))
+ ->raw(" instanceof Twig_Template) {\n")
+ ->indent()
+ ->write(sprintf("%s = \$this->env->loadTemplate(%s);\n", $var, $var))
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+ }
+}
diff --git a/core/vendor/Twig/Node/Print.php b/core/vendor/Twig/Node/Print.php
new file mode 100644
index 0000000..766725f
--- /dev/null
+++ b/core/vendor/Twig/Node/Print.php
@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a node that outputs an expression.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Print extends Twig_Node implements Twig_NodeOutputInterface
+{
+ public function __construct(Twig_Node_Expression $expr, $lineno, $tag = null)
+ {
+ parent::__construct(array('expr' => $expr), array(), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('echo ')
+ ->subcompile($this->getNode('expr'))
+ ->raw(";\n")
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Sandbox.php b/core/vendor/Twig/Node/Sandbox.php
new file mode 100644
index 0000000..cbfcb41
--- /dev/null
+++ b/core/vendor/Twig/Node/Sandbox.php
@@ -0,0 +1,48 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a sandbox node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Sandbox extends Twig_Node
+{
+ public function __construct(Twig_NodeInterface $body, $lineno, $tag = null)
+ {
+ parent::__construct(array('body' => $body), array(), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write("\$sandbox = \$this->env->getExtension('sandbox');\n")
+ ->write("if (!\$alreadySandboxed = \$sandbox->isSandboxed()) {\n")
+ ->indent()
+ ->write("\$sandbox->enableSandbox();\n")
+ ->outdent()
+ ->write("}\n")
+ ->subcompile($this->getNode('body'))
+ ->write("if (!\$alreadySandboxed) {\n")
+ ->indent()
+ ->write("\$sandbox->disableSandbox();\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/SandboxedModule.php b/core/vendor/Twig/Node/SandboxedModule.php
new file mode 100644
index 0000000..6dd63e5
--- /dev/null
+++ b/core/vendor/Twig/Node/SandboxedModule.php
@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a module node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_SandboxedModule extends Twig_Node_Module
+{
+ protected $usedFilters;
+ protected $usedTags;
+ protected $usedFunctions;
+
+ public function __construct(Twig_Node_Module $node, array $usedFilters, array $usedTags, array $usedFunctions)
+ {
+ parent::__construct($node->getNode('body'), $node->getNode('parent'), $node->getNode('blocks'), $node->getNode('macros'), $node->getNode('traits'), $node->getAttribute('embedded_templates'), $node->getAttribute('filename'), $node->getLine(), $node->getNodeTag());
+
+ $this->setAttribute('index', $node->getAttribute('index'));
+
+ $this->usedFilters = $usedFilters;
+ $this->usedTags = $usedTags;
+ $this->usedFunctions = $usedFunctions;
+ }
+
+ protected function compileDisplayBody(Twig_Compiler $compiler)
+ {
+ $compiler->write("\$this->checkSecurity();\n");
+
+ parent::compileDisplayBody($compiler);
+ }
+
+ protected function compileDisplayFooter(Twig_Compiler $compiler)
+ {
+ parent::compileDisplayFooter($compiler);
+
+ $compiler
+ ->write("protected function checkSecurity() {\n")
+ ->indent()
+ ->write("\$this->env->getExtension('sandbox')->checkSecurity(\n")
+ ->indent()
+ ->write(!$this->usedTags ? "array(),\n" : "array('".implode('\', \'', $this->usedTags)."'),\n")
+ ->write(!$this->usedFilters ? "array(),\n" : "array('".implode('\', \'', $this->usedFilters)."'),\n")
+ ->write(!$this->usedFunctions ? "array()\n" : "array('".implode('\', \'', $this->usedFunctions)."')\n")
+ ->outdent()
+ ->write(");\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/SandboxedPrint.php b/core/vendor/Twig/Node/SandboxedPrint.php
new file mode 100644
index 0000000..77730d8
--- /dev/null
+++ b/core/vendor/Twig/Node/SandboxedPrint.php
@@ -0,0 +1,60 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Twig_Node_SandboxedPrint adds a check for the __toString() method
+ * when the variable is an object and the sandbox is activated.
+ *
+ * When there is a simple Print statement, like {{ article }},
+ * and if the sandbox is enabled, we need to check that the __toString()
+ * method is allowed if 'article' is an object.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_SandboxedPrint extends Twig_Node_Print
+{
+ public function __construct(Twig_Node_Expression $expr, $lineno, $tag = null)
+ {
+ parent::__construct($expr, $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('echo $this->env->getExtension(\'sandbox\')->ensureToStringAllowed(')
+ ->subcompile($this->getNode('expr'))
+ ->raw(");\n")
+ ;
+ }
+
+ /**
+ * Removes node filters.
+ *
+ * This is mostly needed when another visitor adds filters (like the escaper one).
+ *
+ * @param Twig_Node $node A Node
+ */
+ protected function removeNodeFilter($node)
+ {
+ if ($node instanceof Twig_Node_Expression_Filter) {
+ return $this->removeNodeFilter($node->getNode('node'));
+ }
+
+ return $node;
+ }
+}
diff --git a/core/vendor/Twig/Node/Set.php b/core/vendor/Twig/Node/Set.php
new file mode 100644
index 0000000..70bb519
--- /dev/null
+++ b/core/vendor/Twig/Node/Set.php
@@ -0,0 +1,102 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a set node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Set extends Twig_Node
+{
+ public function __construct($capture, Twig_NodeInterface $names, Twig_NodeInterface $values, $lineno, $tag = null)
+ {
+ parent::__construct(array('names' => $names, 'values' => $values), array('capture' => $capture, 'safe' => false), $lineno, $tag);
+
+ /*
+ * Optimizes the node when capture is used for a large block of text.
+ *
+ * {% set foo %}foo{% endset %} is compiled to $context['foo'] = new Twig_Markup("foo");
+ */
+ if ($this->getAttribute('capture')) {
+ $this->setAttribute('safe', true);
+
+ $values = $this->getNode('values');
+ if ($values instanceof Twig_Node_Text) {
+ $this->setNode('values', new Twig_Node_Expression_Constant($values->getAttribute('data'), $values->getLine()));
+ $this->setAttribute('capture', false);
+ }
+ }
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->addDebugInfo($this);
+
+ if (count($this->getNode('names')) > 1) {
+ $compiler->write('list(');
+ foreach ($this->getNode('names') as $idx => $node) {
+ if ($idx) {
+ $compiler->raw(', ');
+ }
+
+ $compiler->subcompile($node);
+ }
+ $compiler->raw(')');
+ } else {
+ if ($this->getAttribute('capture')) {
+ $compiler
+ ->write("ob_start();\n")
+ ->subcompile($this->getNode('values'))
+ ;
+ }
+
+ $compiler->subcompile($this->getNode('names'), false);
+
+ if ($this->getAttribute('capture')) {
+ $compiler->raw(" = ('' === \$tmp = ob_get_clean()) ? '' : new Twig_Markup(\$tmp, \$this->env->getCharset())");
+ }
+ }
+
+ if (!$this->getAttribute('capture')) {
+ $compiler->raw(' = ');
+
+ if (count($this->getNode('names')) > 1) {
+ $compiler->write('array(');
+ foreach ($this->getNode('values') as $idx => $value) {
+ if ($idx) {
+ $compiler->raw(', ');
+ }
+
+ $compiler->subcompile($value);
+ }
+ $compiler->raw(')');
+ } else {
+ if ($this->getAttribute('safe')) {
+ $compiler
+ ->raw("('' === \$tmp = ")
+ ->subcompile($this->getNode('values'))
+ ->raw(") ? '' : new Twig_Markup(\$tmp, \$this->env->getCharset())")
+ ;
+ } else {
+ $compiler->subcompile($this->getNode('values'));
+ }
+ }
+ }
+
+ $compiler->raw(";\n");
+ }
+}
diff --git a/core/vendor/Twig/Node/SetTemp.php b/core/vendor/Twig/Node/SetTemp.php
new file mode 100644
index 0000000..3bdd1cb
--- /dev/null
+++ b/core/vendor/Twig/Node/SetTemp.php
@@ -0,0 +1,35 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+class Twig_Node_SetTemp extends Twig_Node
+{
+ public function __construct($name, $lineno)
+ {
+ parent::__construct(array(), array('name' => $name), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $name = $this->getAttribute('name');
+ $compiler
+ ->addDebugInfo($this)
+ ->write('if (isset($context[')
+ ->string($name)
+ ->raw('])) { $_')
+ ->raw($name)
+ ->raw('_ = $context[')
+ ->repr($name)
+ ->raw(']; } else { $_')
+ ->raw($name)
+ ->raw("_ = null; }\n")
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Spaceless.php b/core/vendor/Twig/Node/Spaceless.php
new file mode 100644
index 0000000..4601346
--- /dev/null
+++ b/core/vendor/Twig/Node/Spaceless.php
@@ -0,0 +1,41 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a spaceless node.
+ *
+ * It removes spaces between HTML tags.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Spaceless extends Twig_Node
+{
+ public function __construct(Twig_NodeInterface $body, $lineno, $tag = 'spaceless')
+ {
+ parent::__construct(array('body' => $body), array(), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write("ob_start();\n")
+ ->subcompile($this->getNode('body'))
+ ->write("echo trim(preg_replace('/>\s+</', '><', ob_get_clean()));\n")
+ ;
+ }
+}
diff --git a/core/vendor/Twig/Node/Text.php b/core/vendor/Twig/Node/Text.php
new file mode 100644
index 0000000..0c1c092
--- /dev/null
+++ b/core/vendor/Twig/Node/Text.php
@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a text node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Text extends Twig_Node implements Twig_NodeOutputInterface
+{
+ public function __construct($data, $lineno)
+ {
+ parent::__construct(array(), array('data' => $data), $lineno);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('echo ')
+ ->string($this->getAttribute('data'))
+ ->raw(";\n")
+ ;
+ }
+}
diff --git a/core/vendor/Twig/NodeInterface.php b/core/vendor/Twig/NodeInterface.php
new file mode 100644
index 0000000..29a84b0
--- /dev/null
+++ b/core/vendor/Twig/NodeInterface.php
@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a node in the AST.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_NodeInterface extends Countable, IteratorAggregate
+{
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ function compile(Twig_Compiler $compiler);
+
+ function getLine();
+
+ function getNodeTag();
+}
diff --git a/core/vendor/Twig/NodeOutputInterface.php b/core/vendor/Twig/NodeOutputInterface.php
new file mode 100644
index 0000000..7183956
--- /dev/null
+++ b/core/vendor/Twig/NodeOutputInterface.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a displayable node in the AST.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_NodeOutputInterface
+{
+}
diff --git a/core/vendor/Twig/NodeTraverser.php b/core/vendor/Twig/NodeTraverser.php
new file mode 100644
index 0000000..1e82b03
--- /dev/null
+++ b/core/vendor/Twig/NodeTraverser.php
@@ -0,0 +1,89 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Twig_NodeTraverser is a node traverser.
+ *
+ * It visits all nodes and their children and call the given visitor for each.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_NodeTraverser
+{
+ protected $env;
+ protected $visitors;
+
+ /**
+ * Constructor.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param array $visitors An array of Twig_NodeVisitorInterface instances
+ */
+ public function __construct(Twig_Environment $env, array $visitors = array())
+ {
+ $this->env = $env;
+ $this->visitors = array();
+ foreach ($visitors as $visitor) {
+ $this->addVisitor($visitor);
+ }
+ }
+
+ /**
+ * Adds a visitor.
+ *
+ * @param Twig_NodeVisitorInterface $visitor A Twig_NodeVisitorInterface instance
+ */
+ public function addVisitor(Twig_NodeVisitorInterface $visitor)
+ {
+ if (!isset($this->visitors[$visitor->getPriority()])) {
+ $this->visitors[$visitor->getPriority()] = array();
+ }
+
+ $this->visitors[$visitor->getPriority()][] = $visitor;
+ }
+
+ /**
+ * Traverses a node and calls the registered visitors.
+ *
+ * @param Twig_NodeInterface $node A Twig_NodeInterface instance
+ */
+ public function traverse(Twig_NodeInterface $node)
+ {
+ ksort($this->visitors);
+ foreach ($this->visitors as $visitors) {
+ foreach ($visitors as $visitor) {
+ $node = $this->traverseForVisitor($visitor, $node);
+ }
+ }
+
+ return $node;
+ }
+
+ protected function traverseForVisitor(Twig_NodeVisitorInterface $visitor, Twig_NodeInterface $node = null)
+ {
+ if (null === $node) {
+ return null;
+ }
+
+ $node = $visitor->enterNode($node, $this->env);
+
+ foreach ($node as $k => $n) {
+ if (false !== $n = $this->traverseForVisitor($visitor, $n)) {
+ $node->setNode($k, $n);
+ } else {
+ $node->removeNode($k);
+ }
+ }
+
+ return $visitor->leaveNode($node, $this->env);
+ }
+}
diff --git a/core/vendor/Twig/NodeVisitor/Escaper.php b/core/vendor/Twig/NodeVisitor/Escaper.php
new file mode 100644
index 0000000..5b1249d
--- /dev/null
+++ b/core/vendor/Twig/NodeVisitor/Escaper.php
@@ -0,0 +1,164 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Twig_NodeVisitor_Escaper implements output escaping.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_NodeVisitor_Escaper implements Twig_NodeVisitorInterface
+{
+ protected $statusStack = array();
+ protected $blocks = array();
+ protected $safeAnalysis;
+ protected $traverser;
+ protected $defaultStrategy = false;
+
+ public function __construct()
+ {
+ $this->safeAnalysis = new Twig_NodeVisitor_SafeAnalysis();
+ }
+
+ /**
+ * Called before child nodes are visited.
+ *
+ * @param Twig_NodeInterface $node The node to visit
+ * @param Twig_Environment $env The Twig environment instance
+ *
+ * @return Twig_NodeInterface The modified node
+ */
+ public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Module) {
+ if ($env->hasExtension('escaper') && $defaultStrategy = $env->getExtension('escaper')->getDefaultStrategy($node->getAttribute('filename'))) {
+ $this->defaultStrategy = $defaultStrategy;
+ }
+ } elseif ($node instanceof Twig_Node_AutoEscape) {
+ $this->statusStack[] = $node->getAttribute('value');
+ } elseif ($node instanceof Twig_Node_Block) {
+ $this->statusStack[] = isset($this->blocks[$node->getAttribute('name')]) ? $this->blocks[$node->getAttribute('name')] : $this->needEscaping($env);
+ }
+
+ return $node;
+ }
+
+ /**
+ * Called after child nodes are visited.
+ *
+ * @param Twig_NodeInterface $node The node to visit
+ * @param Twig_Environment $env The Twig environment instance
+ *
+ * @return Twig_NodeInterface The modified node
+ */
+ public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Module) {
+ $this->defaultStrategy = false;
+ } elseif ($node instanceof Twig_Node_Expression_Filter) {
+ return $this->preEscapeFilterNode($node, $env);
+ } elseif ($node instanceof Twig_Node_Print) {
+ return $this->escapePrintNode($node, $env, $this->needEscaping($env));
+ }
+
+ if ($node instanceof Twig_Node_AutoEscape || $node instanceof Twig_Node_Block) {
+ array_pop($this->statusStack);
+ } elseif ($node instanceof Twig_Node_BlockReference) {
+ $this->blocks[$node->getAttribute('name')] = $this->needEscaping($env);
+ }
+
+ return $node;
+ }
+
+ protected function escapePrintNode(Twig_Node_Print $node, Twig_Environment $env, $type)
+ {
+ if (false === $type) {
+ return $node;
+ }
+
+ $expression = $node->getNode('expr');
+
+ if ($this->isSafeFor($type, $expression, $env)) {
+ return $node;
+ }
+
+ $class = get_class($node);
+
+ return new $class(
+ $this->getEscaperFilter($type, $expression),
+ $node->getLine()
+ );
+ }
+
+ protected function preEscapeFilterNode(Twig_Node_Expression_Filter $filter, Twig_Environment $env)
+ {
+ $name = $filter->getNode('filter')->getAttribute('value');
+
+ if (false !== $f = $env->getFilter($name)) {
+ $type = $f->getPreEscape();
+ if (null === $type) {
+ return $filter;
+ }
+
+ $node = $filter->getNode('node');
+ if ($this->isSafeFor($type, $node, $env)) {
+ return $filter;
+ }
+
+ $filter->setNode('node', $this->getEscaperFilter($type, $node));
+
+ return $filter;
+ }
+
+ return $filter;
+ }
+
+ protected function isSafeFor($type, Twig_NodeInterface $expression, $env)
+ {
+ $safe = $this->safeAnalysis->getSafe($expression);
+
+ if (null === $safe) {
+ if (null === $this->traverser) {
+ $this->traverser = new Twig_NodeTraverser($env, array($this->safeAnalysis));
+ }
+ $this->traverser->traverse($expression);
+ $safe = $this->safeAnalysis->getSafe($expression);
+ }
+
+ return in_array($type, $safe) || in_array('all', $safe);
+ }
+
+ protected function needEscaping(Twig_Environment $env)
+ {
+ if (count($this->statusStack)) {
+ return $this->statusStack[count($this->statusStack) - 1];
+ }
+
+ return $this->defaultStrategy ? $this->defaultStrategy : false;
+ }
+
+ protected function getEscaperFilter($type, Twig_NodeInterface $node)
+ {
+ $line = $node->getLine();
+ $name = new Twig_Node_Expression_Constant('escape', $line);
+ $args = new Twig_Node(array(new Twig_Node_Expression_Constant((string) $type, $line), new Twig_Node_Expression_Constant(null, $line), new Twig_Node_Expression_Constant(true, $line)));
+
+ return new Twig_Node_Expression_Filter($node, $name, $args, $line);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getPriority()
+ {
+ return 0;
+ }
+}
diff --git a/core/vendor/Twig/NodeVisitor/Optimizer.php b/core/vendor/Twig/NodeVisitor/Optimizer.php
new file mode 100644
index 0000000..c9ad6bb
--- /dev/null
+++ b/core/vendor/Twig/NodeVisitor/Optimizer.php
@@ -0,0 +1,247 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Twig_NodeVisitor_Optimizer tries to optimizes the AST.
+ *
+ * This visitor is always the last registered one.
+ *
+ * You can configure which optimizations you want to activate via the
+ * optimizer mode.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_NodeVisitor_Optimizer implements Twig_NodeVisitorInterface
+{
+ const OPTIMIZE_ALL = -1;
+ const OPTIMIZE_NONE = 0;
+ const OPTIMIZE_FOR = 2;
+ const OPTIMIZE_RAW_FILTER = 4;
+ const OPTIMIZE_VAR_ACCESS = 8;
+
+ protected $loops = array();
+ protected $optimizers;
+ protected $prependedNodes = array();
+ protected $inABody = false;
+
+ /**
+ * Constructor.
+ *
+ * @param integer $optimizers The optimizer mode
+ */
+ public function __construct($optimizers = -1)
+ {
+ if (!is_int($optimizers) || $optimizers > 2) {
+ throw new InvalidArgumentException(sprintf('Optimizer mode "%s" is not valid.', $optimizers));
+ }
+
+ $this->optimizers = $optimizers;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ if (self::OPTIMIZE_FOR === (self::OPTIMIZE_FOR & $this->optimizers)) {
+ $this->enterOptimizeFor($node, $env);
+ }
+
+ if (!version_compare(phpversion(), '5.4.0RC1', '>=') && self::OPTIMIZE_VAR_ACCESS === (self::OPTIMIZE_VAR_ACCESS & $this->optimizers) && !$env->isStrictVariables() && !$env->hasExtension('sandbox')) {
+ if ($this->inABody) {
+ if (!$node instanceof Twig_Node_Expression) {
+ if (get_class($node) !== 'Twig_Node') {
+ array_unshift($this->prependedNodes, array());
+ }
+ } else {
+ $node = $this->optimizeVariables($node, $env);
+ }
+ } elseif ($node instanceof Twig_Node_Body) {
+ $this->inABody = true;
+ }
+ }
+
+ return $node;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ $expression = $node instanceof Twig_Node_Expression;
+
+ if (self::OPTIMIZE_FOR === (self::OPTIMIZE_FOR & $this->optimizers)) {
+ $this->leaveOptimizeFor($node, $env);
+ }
+
+ if (self::OPTIMIZE_RAW_FILTER === (self::OPTIMIZE_RAW_FILTER & $this->optimizers)) {
+ $node = $this->optimizeRawFilter($node, $env);
+ }
+
+ $node = $this->optimizePrintNode($node, $env);
+
+ if (self::OPTIMIZE_VAR_ACCESS === (self::OPTIMIZE_VAR_ACCESS & $this->optimizers) && !$env->isStrictVariables() && !$env->hasExtension('sandbox')) {
+ if ($node instanceof Twig_Node_Body) {
+ $this->inABody = false;
+ } elseif ($this->inABody) {
+ if (!$expression && get_class($node) !== 'Twig_Node' && $prependedNodes = array_shift($this->prependedNodes)) {
+ $nodes = array();
+ foreach (array_unique($prependedNodes) as $name) {
+ $nodes[] = new Twig_Node_SetTemp($name, $node->getLine());
+ }
+
+ $nodes[] = $node;
+ $node = new Twig_Node($nodes);
+ }
+ }
+ }
+
+ return $node;
+ }
+
+ protected function optimizeVariables($node, $env)
+ {
+ if ('Twig_Node_Expression_Name' === get_class($node) && $node->isSimple()) {
+ $this->prependedNodes[0][] = $node->getAttribute('name');
+
+ return new Twig_Node_Expression_TempName($node->getAttribute('name'), $node->getLine());
+ }
+
+ return $node;
+ }
+
+ /**
+ * Optimizes print nodes.
+ *
+ * It replaces:
+ *
+ * * "echo $this->render(Parent)Block()" with "$this->display(Parent)Block()"
+ *
+ * @param Twig_NodeInterface $node A Node
+ * @param Twig_Environment $env The current Twig environment
+ */
+ protected function optimizePrintNode($node, $env)
+ {
+ if (!$node instanceof Twig_Node_Print) {
+ return $node;
+ }
+
+ if (
+ $node->getNode('expr') instanceof Twig_Node_Expression_BlockReference ||
+ $node->getNode('expr') instanceof Twig_Node_Expression_Parent
+ ) {
+ $node->getNode('expr')->setAttribute('output', true);
+
+ return $node->getNode('expr');
+ }
+
+ return $node;
+ }
+
+ /**
+ * Removes "raw" filters.
+ *
+ * @param Twig_NodeInterface $node A Node
+ * @param Twig_Environment $env The current Twig environment
+ */
+ protected function optimizeRawFilter($node, $env)
+ {
+ if ($node instanceof Twig_Node_Expression_Filter && 'raw' == $node->getNode('filter')->getAttribute('value')) {
+ return $node->getNode('node');
+ }
+
+ return $node;
+ }
+
+ /**
+ * Optimizes "for" tag by removing the "loop" variable creation whenever possible.
+ *
+ * @param Twig_NodeInterface $node A Node
+ * @param Twig_Environment $env The current Twig environment
+ */
+ protected function enterOptimizeFor($node, $env)
+ {
+ if ($node instanceof Twig_Node_For) {
+ // disable the loop variable by default
+ $node->setAttribute('with_loop', false);
+ array_unshift($this->loops, $node);
+ } elseif (!$this->loops) {
+ // we are outside a loop
+ return;
+ }
+
+ // when do we need to add the loop variable back?
+
+ // the loop variable is referenced for the current loop
+ elseif ($node instanceof Twig_Node_Expression_Name && 'loop' === $node->getAttribute('name')) {
+ $this->addLoopToCurrent();
+ }
+
+ // block reference
+ elseif ($node instanceof Twig_Node_BlockReference || $node instanceof Twig_Node_Expression_BlockReference) {
+ $this->addLoopToCurrent();
+ }
+
+ // include without the only attribute
+ elseif ($node instanceof Twig_Node_Include && !$node->getAttribute('only')) {
+ $this->addLoopToAll();
+ }
+
+ // the loop variable is referenced via an attribute
+ elseif ($node instanceof Twig_Node_Expression_GetAttr
+ && (!$node->getNode('attribute') instanceof Twig_Node_Expression_Constant
+ || 'parent' === $node->getNode('attribute')->getAttribute('value')
+ )
+ && (true === $this->loops[0]->getAttribute('with_loop')
+ || ($node->getNode('node') instanceof Twig_Node_Expression_Name
+ && 'loop' === $node->getNode('node')->getAttribute('name')
+ )
+ )
+ ) {
+ $this->addLoopToAll();
+ }
+ }
+
+ /**
+ * Optimizes "for" tag by removing the "loop" variable creation whenever possible.
+ *
+ * @param Twig_NodeInterface $node A Node
+ * @param Twig_Environment $env The current Twig environment
+ */
+ protected function leaveOptimizeFor($node, $env)
+ {
+ if ($node instanceof Twig_Node_For) {
+ array_shift($this->loops);
+ }
+ }
+
+ protected function addLoopToCurrent()
+ {
+ $this->loops[0]->setAttribute('with_loop', true);
+ }
+
+ protected function addLoopToAll()
+ {
+ foreach ($this->loops as $loop) {
+ $loop->setAttribute('with_loop', true);
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getPriority()
+ {
+ return 255;
+ }
+}
diff --git a/core/vendor/Twig/NodeVisitor/SafeAnalysis.php b/core/vendor/Twig/NodeVisitor/SafeAnalysis.php
new file mode 100644
index 0000000..7cc2e22
--- /dev/null
+++ b/core/vendor/Twig/NodeVisitor/SafeAnalysis.php
@@ -0,0 +1,119 @@
+<?php
+
+class Twig_NodeVisitor_SafeAnalysis implements Twig_NodeVisitorInterface
+{
+ protected $data = array();
+
+ public function getSafe(Twig_NodeInterface $node)
+ {
+ $hash = spl_object_hash($node);
+ if (isset($this->data[$hash])) {
+ foreach ($this->data[$hash] as $bucket) {
+ if ($bucket['key'] === $node) {
+ return $bucket['value'];
+ }
+ }
+ }
+
+ return null;
+ }
+
+ protected function setSafe(Twig_NodeInterface $node, array $safe)
+ {
+ $hash = spl_object_hash($node);
+ if (isset($this->data[$hash])) {
+ foreach ($this->data[$hash] as &$bucket) {
+ if ($bucket['key'] === $node) {
+ $bucket['value'] = $safe;
+
+ return;
+ }
+ }
+ }
+ $this->data[$hash][] = array(
+ 'key' => $node,
+ 'value' => $safe,
+ );
+ }
+
+ public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ return $node;
+ }
+
+ public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Expression_Constant) {
+ // constants are marked safe for all
+ $this->setSafe($node, array('all'));
+ } elseif ($node instanceof Twig_Node_Expression_BlockReference) {
+ // blocks are safe by definition
+ $this->setSafe($node, array('all'));
+ } elseif ($node instanceof Twig_Node_Expression_Parent) {
+ // parent block is safe by definition
+ $this->setSafe($node, array('all'));
+ } elseif ($node instanceof Twig_Node_Expression_Conditional) {
+ // intersect safeness of both operands
+ $safe = $this->intersectSafe($this->getSafe($node->getNode('expr2')), $this->getSafe($node->getNode('expr3')));
+ $this->setSafe($node, $safe);
+ } elseif ($node instanceof Twig_Node_Expression_Filter) {
+ // filter expression is safe when the filter is safe
+ $name = $node->getNode('filter')->getAttribute('value');
+ $args = $node->getNode('arguments');
+ if (false !== $filter = $env->getFilter($name)) {
+ $safe = $filter->getSafe($args);
+ if (null === $safe) {
+ $safe = $this->intersectSafe($this->getSafe($node->getNode('node')), $filter->getPreservesSafety());
+ }
+ $this->setSafe($node, $safe);
+ } else {
+ $this->setSafe($node, array());
+ }
+ } elseif ($node instanceof Twig_Node_Expression_Function) {
+ // function expression is safe when the function is safe
+ $name = $node->getAttribute('name');
+ $args = $node->getNode('arguments');
+ $function = $env->getFunction($name);
+ if (false !== $function) {
+ $this->setSafe($node, $function->getSafe($args));
+ } else {
+ $this->setSafe($node, array());
+ }
+ } elseif ($node instanceof Twig_Node_Expression_MethodCall) {
+ if ($node->getAttribute('safe')) {
+ $this->setSafe($node, array('all'));
+ } else {
+ $this->setSafe($node, array());
+ }
+ } else {
+ $this->setSafe($node, array());
+ }
+
+ return $node;
+ }
+
+ protected function intersectSafe(array $a = null, array $b = null)
+ {
+ if (null === $a || null === $b) {
+ return array();
+ }
+
+ if (in_array('all', $a)) {
+ return $b;
+ }
+
+ if (in_array('all', $b)) {
+ return $a;
+ }
+
+ return array_intersect($a, $b);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getPriority()
+ {
+ return 0;
+ }
+}
diff --git a/core/vendor/Twig/NodeVisitor/Sandbox.php b/core/vendor/Twig/NodeVisitor/Sandbox.php
new file mode 100644
index 0000000..61ef0c6
--- /dev/null
+++ b/core/vendor/Twig/NodeVisitor/Sandbox.php
@@ -0,0 +1,106 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Twig_NodeVisitor_Sandbox implements sandboxing.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_NodeVisitor_Sandbox implements Twig_NodeVisitorInterface
+{
+ protected $inAModule = false;
+ protected $tags;
+ protected $filters;
+ protected $functions;
+
+ /**
+ * Called before child nodes are visited.
+ *
+ * @param Twig_NodeInterface $node The node to visit
+ * @param Twig_Environment $env The Twig environment instance
+ *
+ * @return Twig_NodeInterface The modified node
+ */
+ public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ // in a sandbox tag, only include tags are allowed
+ if ($node instanceof Twig_Node_Sandbox && !$node->getNode('body') instanceof Twig_Node_Include) {
+ foreach ($node->getNode('body') as $n) {
+ if ($n instanceof Twig_Node_Text && ctype_space($n->getAttribute('data'))) {
+ continue;
+ }
+
+ if (!$n instanceof Twig_Node_Include) {
+ throw new Twig_Error_Syntax('Only "include" tags are allowed within a "sandbox" section', $n->getLine());
+ }
+ }
+ }
+
+ if ($node instanceof Twig_Node_Module) {
+ $this->inAModule = true;
+ $this->tags = array();
+ $this->filters = array();
+ $this->functions = array();
+
+ return $node;
+ } elseif ($this->inAModule) {
+ // look for tags
+ if ($node->getNodeTag()) {
+ $this->tags[] = $node->getNodeTag();
+ }
+
+ // look for filters
+ if ($node instanceof Twig_Node_Expression_Filter) {
+ $this->filters[] = $node->getNode('filter')->getAttribute('value');
+ }
+
+ // look for functions
+ if ($node instanceof Twig_Node_Expression_Function) {
+ $this->functions[] = $node->getAttribute('name');
+ }
+
+ // wrap print to check __toString() calls
+ if ($node instanceof Twig_Node_Print) {
+ return new Twig_Node_SandboxedPrint($node->getNode('expr'), $node->getLine(), $node->getNodeTag());
+ }
+ }
+
+ return $node;
+ }
+
+ /**
+ * Called after child nodes are visited.
+ *
+ * @param Twig_NodeInterface $node The node to visit
+ * @param Twig_Environment $env The Twig environment instance
+ *
+ * @return Twig_NodeInterface The modified node
+ */
+ public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Module) {
+ $this->inAModule = false;
+
+ return new Twig_Node_SandboxedModule($node, array_unique($this->filters), array_unique($this->tags), array_unique($this->functions));
+ }
+
+ return $node;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getPriority()
+ {
+ return 0;
+ }
+}
diff --git a/core/vendor/Twig/NodeVisitorInterface.php b/core/vendor/Twig/NodeVisitorInterface.php
new file mode 100644
index 0000000..e0123b5
--- /dev/null
+++ b/core/vendor/Twig/NodeVisitorInterface.php
@@ -0,0 +1,48 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Twig_NodeVisitorInterface is the interface the all node visitor classes must implement.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_NodeVisitorInterface
+{
+ /**
+ * Called before child nodes are visited.
+ *
+ * @param Twig_NodeInterface $node The node to visit
+ * @param Twig_Environment $env The Twig environment instance
+ *
+ * @return Twig_NodeInterface The modified node
+ */
+ function enterNode(Twig_NodeInterface $node, Twig_Environment $env);
+
+ /**
+ * Called after child nodes are visited.
+ *
+ * @param Twig_NodeInterface $node The node to visit
+ * @param Twig_Environment $env The Twig environment instance
+ *
+ * @return Twig_NodeInterface The modified node
+ */
+ function leaveNode(Twig_NodeInterface $node, Twig_Environment $env);
+
+ /**
+ * Returns the priority for this visitor.
+ *
+ * Priority should be between -10 and 10 (0 is the default).
+ *
+ * @return integer The priority level
+ */
+ function getPriority();
+}
diff --git a/core/vendor/Twig/Parser.php b/core/vendor/Twig/Parser.php
new file mode 100644
index 0000000..8c578fd
--- /dev/null
+++ b/core/vendor/Twig/Parser.php
@@ -0,0 +1,384 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Default parser implementation.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Parser implements Twig_ParserInterface
+{
+ protected $stack = array();
+ protected $stream;
+ protected $parent;
+ protected $handlers;
+ protected $visitors;
+ protected $expressionParser;
+ protected $blocks;
+ protected $blockStack;
+ protected $macros;
+ protected $env;
+ protected $reservedMacroNames;
+ protected $importedFunctions;
+ protected $tmpVarCount;
+ protected $traits;
+ protected $embeddedTemplates = array();
+
+ /**
+ * Constructor.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ */
+ public function __construct(Twig_Environment $env)
+ {
+ $this->env = $env;
+ }
+
+ public function getEnvironment()
+ {
+ return $this->env;
+ }
+
+ public function getVarName()
+ {
+ return sprintf('__internal_%s_%d', substr($this->env->getTemplateClass($this->stream->getFilename()), strlen($this->env->getTemplateClassPrefix())), ++$this->tmpVarCount);
+ }
+
+ /**
+ * Converts a token stream to a node tree.
+ *
+ * @param Twig_TokenStream $stream A token stream instance
+ *
+ * @return Twig_Node_Module A node tree
+ */
+ public function parse(Twig_TokenStream $stream, $test = null, $dropNeedle = false)
+ {
+ // push all variables into the stack to keep the current state of the parser
+ $vars = get_object_vars($this);
+ unset($vars['stack'], $vars['env'], $vars['handlers'], $vars['visitors'], $vars['expressionParser']);
+ $this->stack[] = $vars;
+
+ $this->tmpVarCount = 0;
+
+ // tag handlers
+ if (null === $this->handlers) {
+ $this->handlers = $this->env->getTokenParsers();
+ $this->handlers->setParser($this);
+ }
+
+ // node visitors
+ if (null === $this->visitors) {
+ $this->visitors = $this->env->getNodeVisitors();
+ }
+
+ if (null === $this->expressionParser) {
+ $this->expressionParser = new Twig_ExpressionParser($this, $this->env->getUnaryOperators(), $this->env->getBinaryOperators());
+ }
+
+ $this->stream = $stream;
+ $this->parent = null;
+ $this->blocks = array();
+ $this->macros = array();
+ $this->traits = array();
+ $this->blockStack = array();
+ $this->importedFunctions = array(array());
+ $this->embeddedTemplates = array();
+
+ try {
+ $body = $this->subparse($test, $dropNeedle);
+
+ if (null !== $this->parent) {
+ if (null === $body = $this->filterBodyNodes($body)) {
+ $body = new Twig_Node();
+ }
+ }
+ } catch (Twig_Error_Syntax $e) {
+ if (null === $e->getTemplateFile()) {
+ $e->setTemplateFile($this->stream->getFilename());
+ }
+
+ throw $e;
+ }
+
+ $node = new Twig_Node_Module(new Twig_Node_Body(array($body)), $this->parent, new Twig_Node($this->blocks), new Twig_Node($this->macros), new Twig_Node($this->traits), $this->embeddedTemplates, $this->stream->getFilename());
+
+ $traverser = new Twig_NodeTraverser($this->env, $this->visitors);
+
+ $node = $traverser->traverse($node);
+
+ // restore previous stack so previous parse() call can resume working
+ foreach (array_pop($this->stack) as $key => $val) {
+ $this->$key = $val;
+ }
+
+ return $node;
+ }
+
+ public function subparse($test, $dropNeedle = false)
+ {
+ $lineno = $this->getCurrentToken()->getLine();
+ $rv = array();
+ while (!$this->stream->isEOF()) {
+ switch ($this->getCurrentToken()->getType()) {
+ case Twig_Token::TEXT_TYPE:
+ $token = $this->stream->next();
+ $rv[] = new Twig_Node_Text($token->getValue(), $token->getLine());
+ break;
+
+ case Twig_Token::VAR_START_TYPE:
+ $token = $this->stream->next();
+ $expr = $this->expressionParser->parseExpression();
+ $this->stream->expect(Twig_Token::VAR_END_TYPE);
+ $rv[] = new Twig_Node_Print($expr, $token->getLine());
+ break;
+
+ case Twig_Token::BLOCK_START_TYPE:
+ $this->stream->next();
+ $token = $this->getCurrentToken();
+
+ if ($token->getType() !== Twig_Token::NAME_TYPE) {
+ throw new Twig_Error_Syntax('A block must start with a tag name', $token->getLine(), $this->stream->getFilename());
+ }
+
+ if (null !== $test && call_user_func($test, $token)) {
+ if ($dropNeedle) {
+ $this->stream->next();
+ }
+
+ if (1 === count($rv)) {
+ return $rv[0];
+ }
+
+ return new Twig_Node($rv, array(), $lineno);
+ }
+
+ $subparser = $this->handlers->getTokenParser($token->getValue());
+ if (null === $subparser) {
+ if (null !== $test) {
+ throw new Twig_Error_Syntax(sprintf('Unexpected tag name "%s" (expecting closing tag for the "%s" tag defined near line %s)', $token->getValue(), $test[0]->getTag(), $lineno), $token->getLine(), $this->stream->getFilename());
+ }
+
+ $message = sprintf('Unknown tag name "%s"', $token->getValue());
+ if ($alternatives = $this->env->computeAlternatives($token->getValue(), array_keys($this->env->getTags()))) {
+ $message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives));
+ }
+
+ throw new Twig_Error_Syntax($message, $token->getLine(), $this->stream->getFilename());
+ }
+
+ $this->stream->next();
+
+ $node = $subparser->parse($token);
+ if (null !== $node) {
+ $rv[] = $node;
+ }
+ break;
+
+ default:
+ throw new Twig_Error_Syntax('Lexer or parser ended up in unsupported state.', -1, $this->stream->getFilename());
+ }
+ }
+
+ if (1 === count($rv)) {
+ return $rv[0];
+ }
+
+ return new Twig_Node($rv, array(), $lineno);
+ }
+
+ public function addHandler($name, $class)
+ {
+ $this->handlers[$name] = $class;
+ }
+
+ public function addNodeVisitor(Twig_NodeVisitorInterface $visitor)
+ {
+ $this->visitors[] = $visitor;
+ }
+
+ public function getBlockStack()
+ {
+ return $this->blockStack;
+ }
+
+ public function peekBlockStack()
+ {
+ return $this->blockStack[count($this->blockStack) - 1];
+ }
+
+ public function popBlockStack()
+ {
+ array_pop($this->blockStack);
+ }
+
+ public function pushBlockStack($name)
+ {
+ $this->blockStack[] = $name;
+ }
+
+ public function hasBlock($name)
+ {
+ return isset($this->blocks[$name]);
+ }
+
+ public function getBlock($name)
+ {
+ return $this->blocks[$name];
+ }
+
+ public function setBlock($name, $value)
+ {
+ $this->blocks[$name] = new Twig_Node_Body(array($value), array(), $value->getLine());
+ }
+
+ public function hasMacro($name)
+ {
+ return isset($this->macros[$name]);
+ }
+
+ public function setMacro($name, Twig_Node_Macro $node)
+ {
+ if (null === $this->reservedMacroNames) {
+ $this->reservedMacroNames = array();
+ $r = new ReflectionClass($this->env->getBaseTemplateClass());
+ foreach ($r->getMethods() as $method) {
+ $this->reservedMacroNames[] = $method->getName();
+ }
+ }
+
+ if (in_array($name, $this->reservedMacroNames)) {
+ throw new Twig_Error_Syntax(sprintf('"%s" cannot be used as a macro name as it is a reserved keyword', $name), $node->getLine());
+ }
+
+ $this->macros[$name] = $node;
+ }
+
+ public function addTrait($trait)
+ {
+ $this->traits[] = $trait;
+ }
+
+ public function hasTraits()
+ {
+ return count($this->traits) > 0;
+ }
+
+ public function embedTemplate(Twig_Node_Module $template)
+ {
+ $template->setIndex(count($this->embeddedTemplates) + 1);
+
+ $this->embeddedTemplates[] = $template;
+ }
+
+ public function addImportedFunction($alias, $name, Twig_Node_Expression $node)
+ {
+ $this->importedFunctions[0][$alias] = array('name' => $name, 'node' => $node);
+ }
+
+ public function getImportedFunction($alias)
+ {
+ foreach ($this->importedFunctions as $functions) {
+ if (isset($functions[$alias])) {
+ return $functions[$alias];
+ }
+ }
+ }
+
+ public function isMainScope()
+ {
+ return 1 === count($this->importedFunctions);
+ }
+
+ public function pushLocalScope()
+ {
+ array_unshift($this->importedFunctions, array());
+ }
+
+ public function popLocalScope()
+ {
+ array_shift($this->importedFunctions);
+ }
+
+ /**
+ * Gets the expression parser.
+ *
+ * @return Twig_ExpressionParser The expression parser
+ */
+ public function getExpressionParser()
+ {
+ return $this->expressionParser;
+ }
+
+ public function getParent()
+ {
+ return $this->parent;
+ }
+
+ public function setParent($parent)
+ {
+ $this->parent = $parent;
+ }
+
+ /**
+ * Gets the token stream.
+ *
+ * @return Twig_TokenStream The token stream
+ */
+ public function getStream()
+ {
+ return $this->stream;
+ }
+
+ /**
+ * Gets the current token.
+ *
+ * @return Twig_Token The current token
+ */
+ public function getCurrentToken()
+ {
+ return $this->stream->getCurrent();
+ }
+
+ protected function filterBodyNodes(Twig_NodeInterface $node)
+ {
+ // check that the body does not contain non-empty output nodes
+ if (
+ ($node instanceof Twig_Node_Text && !ctype_space($node->getAttribute('data')))
+ ||
+ (!$node instanceof Twig_Node_Text && !$node instanceof Twig_Node_BlockReference && $node instanceof Twig_NodeOutputInterface)
+ ) {
+ if (false !== strpos((string) $node, chr(0xEF).chr(0xBB).chr(0xBF))) {
+ throw new Twig_Error_Syntax('A template that extends another one cannot have a body but a byte order mark (BOM) has been detected; it must be removed.', $node->getLine(), $this->stream->getFilename());
+ }
+
+ throw new Twig_Error_Syntax('A template that extends another one cannot have a body.', $node->getLine(), $this->stream->getFilename());
+ }
+
+ // bypass "set" nodes as they "capture" the output
+ if ($node instanceof Twig_Node_Set) {
+ return $node;
+ }
+
+ if ($node instanceof Twig_NodeOutputInterface) {
+ return;
+ }
+
+ foreach ($node as $k => $n) {
+ if (null !== $n && null === $n = $this->filterBodyNodes($n)) {
+ $node->removeNode($k);
+ }
+ }
+
+ return $node;
+ }
+}
diff --git a/core/vendor/Twig/ParserInterface.php b/core/vendor/Twig/ParserInterface.php
new file mode 100644
index 0000000..9659845
--- /dev/null
+++ b/core/vendor/Twig/ParserInterface.php
@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Interface implemented by parser classes.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_ParserInterface
+{
+ /**
+ * Converts a token stream to a node tree.
+ *
+ * @param Twig_TokenStream $stream A token stream instance
+ *
+ * @return Twig_Node_Module A node tree
+ */
+ function parse(Twig_TokenStream $stream);
+}
diff --git a/core/vendor/Twig/Sandbox/SecurityError.php b/core/vendor/Twig/Sandbox/SecurityError.php
new file mode 100644
index 0000000..debabb7
--- /dev/null
+++ b/core/vendor/Twig/Sandbox/SecurityError.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Exception thrown when a security error occurs at runtime.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Sandbox_SecurityError extends Twig_Error
+{
+}
diff --git a/core/vendor/Twig/Sandbox/SecurityPolicy.php b/core/vendor/Twig/Sandbox/SecurityPolicy.php
new file mode 100644
index 0000000..ba912ef
--- /dev/null
+++ b/core/vendor/Twig/Sandbox/SecurityPolicy.php
@@ -0,0 +1,120 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a security policy which need to be enforced when sandbox mode is enabled.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Sandbox_SecurityPolicy implements Twig_Sandbox_SecurityPolicyInterface
+{
+ protected $allowedTags;
+ protected $allowedFilters;
+ protected $allowedMethods;
+ protected $allowedProperties;
+ protected $allowedFunctions;
+
+ public function __construct(array $allowedTags = array(), array $allowedFilters = array(), array $allowedMethods = array(), array $allowedProperties = array(), array $allowedFunctions = array())
+ {
+ $this->allowedTags = $allowedTags;
+ $this->allowedFilters = $allowedFilters;
+ $this->setAllowedMethods($allowedMethods);
+ $this->allowedProperties = $allowedProperties;
+ $this->allowedFunctions = $allowedFunctions;
+ }
+
+ public function setAllowedTags(array $tags)
+ {
+ $this->allowedTags = $tags;
+ }
+
+ public function setAllowedFilters(array $filters)
+ {
+ $this->allowedFilters = $filters;
+ }
+
+ public function setAllowedMethods(array $methods)
+ {
+ $this->allowedMethods = array();
+ foreach ($methods as $class => $m) {
+ $this->allowedMethods[$class] = array_map('strtolower', is_array($m) ? $m : array($m));
+ }
+ }
+
+ public function setAllowedProperties(array $properties)
+ {
+ $this->allowedProperties = $properties;
+ }
+
+ public function setAllowedFunctions(array $functions)
+ {
+ $this->allowedFunctions = $functions;
+ }
+
+ public function checkSecurity($tags, $filters, $functions)
+ {
+ foreach ($tags as $tag) {
+ if (!in_array($tag, $this->allowedTags)) {
+ throw new Twig_Sandbox_SecurityError(sprintf('Tag "%s" is not allowed.', $tag));
+ }
+ }
+
+ foreach ($filters as $filter) {
+ if (!in_array($filter, $this->allowedFilters)) {
+ throw new Twig_Sandbox_SecurityError(sprintf('Filter "%s" is not allowed.', $filter));
+ }
+ }
+
+ foreach ($functions as $function) {
+ if (!in_array($function, $this->allowedFunctions)) {
+ throw new Twig_Sandbox_SecurityError(sprintf('Function "%s" is not allowed.', $function));
+ }
+ }
+ }
+
+ public function checkMethodAllowed($obj, $method)
+ {
+ if ($obj instanceof Twig_TemplateInterface || $obj instanceof Twig_Markup) {
+ return true;
+ }
+
+ $allowed = false;
+ $method = strtolower($method);
+ foreach ($this->allowedMethods as $class => $methods) {
+ if ($obj instanceof $class) {
+ $allowed = in_array($method, $methods);
+
+ break;
+ }
+ }
+
+ if (!$allowed) {
+ throw new Twig_Sandbox_SecurityError(sprintf('Calling "%s" method on a "%s" object is not allowed.', $method, get_class($obj)));
+ }
+ }
+
+ public function checkPropertyAllowed($obj, $property)
+ {
+ $allowed = false;
+ foreach ($this->allowedProperties as $class => $properties) {
+ if ($obj instanceof $class) {
+ $allowed = in_array($property, is_array($properties) ? $properties : array($properties));
+
+ break;
+ }
+ }
+
+ if (!$allowed) {
+ throw new Twig_Sandbox_SecurityError(sprintf('Calling "%s" property on a "%s" object is not allowed.', $property, get_class($obj)));
+ }
+ }
+}
diff --git a/core/vendor/Twig/Sandbox/SecurityPolicyInterface.php b/core/vendor/Twig/Sandbox/SecurityPolicyInterface.php
new file mode 100644
index 0000000..d5015af
--- /dev/null
+++ b/core/vendor/Twig/Sandbox/SecurityPolicyInterface.php
@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Interfaces that all security policy classes must implements.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_Sandbox_SecurityPolicyInterface
+{
+ function checkSecurity($tags, $filters, $functions);
+
+ function checkMethodAllowed($obj, $method);
+
+ function checkPropertyAllowed($obj, $method);
+}
diff --git a/core/vendor/Twig/Template.php b/core/vendor/Twig/Template.php
new file mode 100644
index 0000000..7ecdba4
--- /dev/null
+++ b/core/vendor/Twig/Template.php
@@ -0,0 +1,442 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Default base class for compiled templates.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class Twig_Template implements Twig_TemplateInterface
+{
+ static protected $cache = array();
+
+ protected $parent;
+ protected $parents;
+ protected $env;
+ protected $blocks;
+ protected $traits;
+
+ /**
+ * Constructor.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ */
+ public function __construct(Twig_Environment $env)
+ {
+ $this->env = $env;
+ $this->blocks = array();
+ $this->traits = array();
+ }
+
+ /**
+ * Returns the template name.
+ *
+ * @return string The template name
+ */
+ abstract public function getTemplateName();
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getEnvironment()
+ {
+ return $this->env;
+ }
+
+ /**
+ * Returns the parent template.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @return Twig_TemplateInterface|false The parent template or false if there is no parent
+ */
+ public function getParent(array $context)
+ {
+ if (null !== $this->parent) {
+ return $this->parent;
+ }
+
+ $parent = $this->doGetParent($context);
+ if (false === $parent) {
+ return false;
+ } elseif ($parent instanceof Twig_Template) {
+ $name = $parent->getTemplateName();
+ $this->parents[$name] = $parent;
+ $parent = $name;
+ } elseif (!isset($this->parents[$parent])) {
+ $this->parents[$parent] = $this->env->loadTemplate($parent);
+ }
+
+ return $this->parents[$parent];
+ }
+
+ protected function doGetParent(array $context)
+ {
+ return false;
+ }
+
+ public function isTraitable()
+ {
+ return true;
+ }
+
+ /**
+ * Displays a parent block.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @param string $name The block name to display from the parent
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ */
+ public function displayParentBlock($name, array $context, array $blocks = array())
+ {
+ $name = (string) $name;
+
+ if (isset($this->traits[$name])) {
+ $this->traits[$name][0]->displayBlock($name, $context, $blocks);
+ } elseif (false !== $parent = $this->getParent($context)) {
+ $parent->displayBlock($name, $context, $blocks);
+ } else {
+ throw new Twig_Error_Runtime(sprintf('The template has no parent and no traits defining the "%s" block', $name), -1, $this->getTemplateName());
+ }
+ }
+
+ /**
+ * Displays a block.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @param string $name The block name to display
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ */
+ public function displayBlock($name, array $context, array $blocks = array())
+ {
+ $name = (string) $name;
+
+ if (isset($blocks[$name])) {
+ $b = $blocks;
+ unset($b[$name]);
+ call_user_func($blocks[$name], $context, $b);
+ } elseif (isset($this->blocks[$name])) {
+ call_user_func($this->blocks[$name], $context, $blocks);
+ } elseif (false !== $parent = $this->getParent($context)) {
+ $parent->displayBlock($name, $context, array_merge($this->blocks, $blocks));
+ }
+ }
+
+ /**
+ * Renders a parent block.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @param string $name The block name to render from the parent
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ *
+ * @return string The rendered block
+ */
+ public function renderParentBlock($name, array $context, array $blocks = array())
+ {
+ ob_start();
+ $this->displayParentBlock($name, $context, $blocks);
+
+ return ob_get_clean();
+ }
+
+ /**
+ * Renders a block.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @param string $name The block name to render
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ *
+ * @return string The rendered block
+ */
+ public function renderBlock($name, array $context, array $blocks = array())
+ {
+ ob_start();
+ $this->displayBlock($name, $context, $blocks);
+
+ return ob_get_clean();
+ }
+
+ /**
+ * Returns whether a block exists or not.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * This method does only return blocks defined in the current template
+ * or defined in "used" traits.
+ *
+ * It does not return blocks from parent templates as the parent
+ * template name can be dynamic, which is only known based on the
+ * current context.
+ *
+ * @param string $name The block name
+ *
+ * @return Boolean true if the block exists, false otherwise
+ */
+ public function hasBlock($name)
+ {
+ return isset($this->blocks[(string) $name]);
+ }
+
+ /**
+ * Returns all block names.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @return array An array of block names
+ *
+ * @see hasBlock
+ */
+ public function getBlockNames()
+ {
+ return array_keys($this->blocks);
+ }
+
+ /**
+ * Returns all blocks.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * @return array An array of blocks
+ *
+ * @see hasBlock
+ */
+ public function getBlocks()
+ {
+ return $this->blocks;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function display(array $context, array $blocks = array())
+ {
+ $this->displayWithErrorHandling($this->env->mergeGlobals($context), $blocks);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function render(array $context)
+ {
+ $level = ob_get_level();
+ ob_start();
+ try {
+ $this->display($context);
+ } catch (Exception $e) {
+ while (ob_get_level() > $level) {
+ ob_end_clean();
+ }
+
+ throw $e;
+ }
+
+ return ob_get_clean();
+ }
+
+ protected function displayWithErrorHandling(array $context, array $blocks = array())
+ {
+ try {
+ $this->doDisplay($context, $blocks);
+ } catch (Twig_Error $e) {
+ throw $e;
+ } catch (Exception $e) {
+ throw new Twig_Error_Runtime(sprintf('An exception has been thrown during the rendering of a template ("%s").', $e->getMessage()), -1, null, $e);
+ }
+ }
+
+ /**
+ * Auto-generated method to display the template with the given context.
+ *
+ * @param array $context An array of parameters to pass to the template
+ * @param array $blocks An array of blocks to pass to the template
+ */
+ abstract protected function doDisplay(array $context, array $blocks = array());
+
+ /**
+ * Returns a variable from the context.
+ *
+ * This method is for internal use only and should never be called
+ * directly.
+ *
+ * This method should not be overriden in a sub-class as this is an
+ * implementation detail that has been introduced to optimize variable
+ * access for versions of PHP before 5.4. This is not a way to override
+ * the way to get a variable value.
+ *
+ * @param array $context The context
+ * @param string $item The variable to return from the context
+ * @param Boolean $ignoreStrictCheck Whether to ignore the strict variable check or not
+ *
+ * @return The content of the context variable
+ *
+ * @throws Twig_Error_Runtime if the variable does not exist and Twig is running in strict mode
+ */
+ final protected function getContext($context, $item, $ignoreStrictCheck = false)
+ {
+ if (!array_key_exists($item, $context)) {
+ if ($ignoreStrictCheck || !$this->env->isStrictVariables()) {
+ return null;
+ }
+
+ throw new Twig_Error_Runtime(sprintf('Variable "%s" does not exist', $item));
+ }
+
+ return $context[$item];
+ }
+
+ /**
+ * Returns the attribute value for a given array/object.
+ *
+ * @param mixed $object The object or array from where to get the item
+ * @param mixed $item The item to get from the array or object
+ * @param array $arguments An array of arguments to pass if the item is an object method
+ * @param string $type The type of attribute (@see Twig_TemplateInterface)
+ * @param Boolean $isDefinedTest Whether this is only a defined check
+ * @param Boolean $ignoreStrictCheck Whether to ignore the strict attribute check or not
+ *
+ * @return mixed The attribute value, or a Boolean when $isDefinedTest is true, or null when the attribute is not set and $ignoreStrictCheck is true
+ *
+ * @throws Twig_Error_Runtime if the attribute does not exist and Twig is running in strict mode and $isDefinedTest is false
+ */
+ protected function getAttribute($object, $item, array $arguments = array(), $type = Twig_TemplateInterface::ANY_CALL, $isDefinedTest = false, $ignoreStrictCheck = false)
+ {
+ $item = ctype_digit((string) $item) ? (int) $item : (string) $item;
+
+ // array
+ if (Twig_TemplateInterface::METHOD_CALL !== $type) {
+ if ((is_array($object) && array_key_exists($item, $object))
+ || ($object instanceof ArrayAccess && isset($object[$item]))
+ ) {
+ if ($isDefinedTest) {
+ return true;
+ }
+
+ return $object[$item];
+ }
+
+ if (Twig_TemplateInterface::ARRAY_CALL === $type) {
+ if ($isDefinedTest) {
+ return false;
+ }
+
+ if ($ignoreStrictCheck || !$this->env->isStrictVariables()) {
+ return null;
+ }
+
+ if (is_object($object)) {
+ throw new Twig_Error_Runtime(sprintf('Key "%s" in object (with ArrayAccess) of type "%s" does not exist', $item, get_class($object)));
+ } elseif (is_array($object)) {
+ throw new Twig_Error_Runtime(sprintf('Key "%s" for array with keys "%s" does not exist', $item, implode(', ', array_keys($object))));
+ } else {
+ throw new Twig_Error_Runtime(sprintf('Impossible to access a key ("%s") on a "%s" variable', $item, gettype($object)));
+ }
+ }
+ }
+
+ if (!is_object($object)) {
+ if ($isDefinedTest) {
+ return false;
+ }
+
+ if ($ignoreStrictCheck || !$this->env->isStrictVariables()) {
+ return null;
+ }
+
+ throw new Twig_Error_Runtime(sprintf('Item "%s" for "%s" does not exist', $item, is_array($object) ? 'Array' : $object));
+ }
+
+ $class = get_class($object);
+
+ // object property
+ if (Twig_TemplateInterface::METHOD_CALL !== $type) {
+ if (isset($object->$item) || array_key_exists($item, $object)) {
+ if ($isDefinedTest) {
+ return true;
+ }
+
+ if ($this->env->hasExtension('sandbox')) {
+ $this->env->getExtension('sandbox')->checkPropertyAllowed($object, $item);
+ }
+
+ return $object->$item;
+ }
+ }
+
+ // object method
+ if (!isset(self::$cache[$class]['methods'])) {
+ self::$cache[$class]['methods'] = array_change_key_case(array_flip(get_class_methods($object)));
+ }
+
+ $lcItem = strtolower($item);
+ if (isset(self::$cache[$class]['methods'][$lcItem])) {
+ $method = $item;
+ } elseif (isset(self::$cache[$class]['methods']['get'.$lcItem])) {
+ $method = 'get'.$item;
+ } elseif (isset(self::$cache[$class]['methods']['is'.$lcItem])) {
+ $method = 'is'.$item;
+ } elseif (isset(self::$cache[$class]['methods']['__call'])) {
+ $method = $item;
+ } else {
+ if ($isDefinedTest) {
+ return false;
+ }
+
+ if ($ignoreStrictCheck || !$this->env->isStrictVariables()) {
+ return null;
+ }
+
+ throw new Twig_Error_Runtime(sprintf('Method "%s" for object "%s" does not exist', $item, get_class($object)));
+ }
+
+ if ($isDefinedTest) {
+ return true;
+ }
+
+ if ($this->env->hasExtension('sandbox')) {
+ $this->env->getExtension('sandbox')->checkMethodAllowed($object, $method);
+ }
+
+ $ret = call_user_func_array(array($object, $method), $arguments);
+
+ // hack to be removed when macro calls are refactored
+ if ($object instanceof Twig_TemplateInterface) {
+ return $ret === '' ? '' : new Twig_Markup($ret, $this->env->getCharset());
+ }
+
+ return $ret;
+ }
+
+ /**
+ * This method is only useful when testing Twig. Do not use it.
+ */
+ static public function clearCache()
+ {
+ self::$cache = array();
+ }
+}
diff --git a/core/vendor/Twig/TemplateInterface.php b/core/vendor/Twig/TemplateInterface.php
new file mode 100644
index 0000000..08da116
--- /dev/null
+++ b/core/vendor/Twig/TemplateInterface.php
@@ -0,0 +1,47 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Interface implemented by all compiled templates.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_TemplateInterface
+{
+ const ANY_CALL = 'any';
+ const ARRAY_CALL = 'array';
+ const METHOD_CALL = 'method';
+
+ /**
+ * Renders the template with the given context and returns it as string.
+ *
+ * @param array $context An array of parameters to pass to the template
+ *
+ * @return string The rendered template
+ */
+ function render(array $context);
+
+ /**
+ * Displays the template with the given context.
+ *
+ * @param array $context An array of parameters to pass to the template
+ * @param array $blocks An array of blocks to pass to the template
+ */
+ function display(array $context, array $blocks = array());
+
+ /**
+ * Returns the bound environment for this template.
+ *
+ * @return Twig_Environment The current environment
+ */
+ function getEnvironment();
+}
diff --git a/core/vendor/Twig/Test/Function.php b/core/vendor/Twig/Test/Function.php
new file mode 100644
index 0000000..1240a0f
--- /dev/null
+++ b/core/vendor/Twig/Test/Function.php
@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a function template test.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Test_Function implements Twig_TestInterface
+{
+ protected $function;
+
+ public function __construct($function)
+ {
+ $this->function = $function;
+ }
+
+ public function compile()
+ {
+ return $this->function;
+ }
+}
diff --git a/core/vendor/Twig/Test/Method.php b/core/vendor/Twig/Test/Method.php
new file mode 100644
index 0000000..a8d1d9b
--- /dev/null
+++ b/core/vendor/Twig/Test/Method.php
@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a method template test.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Test_Method implements Twig_TestInterface
+{
+ protected $extension;
+ protected $method;
+
+ public function __construct(Twig_ExtensionInterface $extension, $method)
+ {
+ $this->extension = $extension;
+ $this->method = $method;
+ }
+
+ public function compile()
+ {
+ return sprintf('$this->env->getExtension(\'%s\')->%s', $this->extension->getName(), $this->method);
+ }
+}
diff --git a/core/vendor/Twig/Test/Node.php b/core/vendor/Twig/Test/Node.php
new file mode 100644
index 0000000..47a978e
--- /dev/null
+++ b/core/vendor/Twig/Test/Node.php
@@ -0,0 +1,35 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a template test as a Node.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Test_Node implements Twig_TestInterface
+{
+ protected $class;
+
+ public function __construct($class)
+ {
+ $this->class = $class;
+ }
+
+ public function getClass()
+ {
+ return $this->class;
+ }
+
+ public function compile()
+ {
+ }
+}
diff --git a/core/vendor/Twig/TestInterface.php b/core/vendor/Twig/TestInterface.php
new file mode 100644
index 0000000..c2ff725
--- /dev/null
+++ b/core/vendor/Twig/TestInterface.php
@@ -0,0 +1,26 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a template test.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_TestInterface
+{
+ /**
+ * Compiles a test.
+ *
+ * @return string The PHP code for the test
+ */
+ function compile();
+}
diff --git a/core/vendor/Twig/Token.php b/core/vendor/Twig/Token.php
new file mode 100644
index 0000000..918bb91
--- /dev/null
+++ b/core/vendor/Twig/Token.php
@@ -0,0 +1,219 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a Token.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Token
+{
+ protected $value;
+ protected $type;
+ protected $lineno;
+
+ const EOF_TYPE = -1;
+ const TEXT_TYPE = 0;
+ const BLOCK_START_TYPE = 1;
+ const VAR_START_TYPE = 2;
+ const BLOCK_END_TYPE = 3;
+ const VAR_END_TYPE = 4;
+ const NAME_TYPE = 5;
+ const NUMBER_TYPE = 6;
+ const STRING_TYPE = 7;
+ const OPERATOR_TYPE = 8;
+ const PUNCTUATION_TYPE = 9;
+ const INTERPOLATION_START_TYPE = 10;
+ const INTERPOLATION_END_TYPE = 11;
+
+ /**
+ * Constructor.
+ *
+ * @param integer $type The type of the token
+ * @param string $value The token value
+ * @param integer $lineno The line position in the source
+ */
+ public function __construct($type, $value, $lineno)
+ {
+ $this->type = $type;
+ $this->value = $value;
+ $this->lineno = $lineno;
+ }
+
+ /**
+ * Returns a string representation of the token.
+ *
+ * @return string A string representation of the token
+ */
+ public function __toString()
+ {
+ return sprintf('%s(%s)', self::typeToString($this->type, true, $this->lineno), $this->value);
+ }
+
+ /**
+ * Tests the current token for a type and/or a value.
+ *
+ * Parameters may be:
+ * * just type
+ * * type and value (or array of possible values)
+ * * just value (or array of possible values) (NAME_TYPE is used as type)
+ *
+ * @param array|integer $type The type to test
+ * @param array|string|null $values The token value
+ *
+ * @return Boolean
+ */
+ public function test($type, $values = null)
+ {
+ if (null === $values && !is_int($type)) {
+ $values = $type;
+ $type = self::NAME_TYPE;
+ }
+
+ return ($this->type === $type) && (
+ null === $values ||
+ (is_array($values) && in_array($this->value, $values)) ||
+ $this->value == $values
+ );
+ }
+
+ /**
+ * Gets the line.
+ *
+ * @return integer The source line
+ */
+ public function getLine()
+ {
+ return $this->lineno;
+ }
+
+ /**
+ * Gets the token type.
+ *
+ * @return integer The token type
+ */
+ public function getType()
+ {
+ return $this->type;
+ }
+
+ /**
+ * Gets the token value.
+ *
+ * @return string The token value
+ */
+ public function getValue()
+ {
+ return $this->value;
+ }
+
+ /**
+ * Returns the constant representation (internal) of a given type.
+ *
+ * @param integer $type The type as an integer
+ * @param Boolean $short Whether to return a short representation or not
+ * @param integer $line The code line
+ *
+ * @return string The string representation
+ */
+ static public function typeToString($type, $short = false, $line = -1)
+ {
+ switch ($type) {
+ case self::EOF_TYPE:
+ $name = 'EOF_TYPE';
+ break;
+ case self::TEXT_TYPE:
+ $name = 'TEXT_TYPE';
+ break;
+ case self::BLOCK_START_TYPE:
+ $name = 'BLOCK_START_TYPE';
+ break;
+ case self::VAR_START_TYPE:
+ $name = 'VAR_START_TYPE';
+ break;
+ case self::BLOCK_END_TYPE:
+ $name = 'BLOCK_END_TYPE';
+ break;
+ case self::VAR_END_TYPE:
+ $name = 'VAR_END_TYPE';
+ break;
+ case self::NAME_TYPE:
+ $name = 'NAME_TYPE';
+ break;
+ case self::NUMBER_TYPE:
+ $name = 'NUMBER_TYPE';
+ break;
+ case self::STRING_TYPE:
+ $name = 'STRING_TYPE';
+ break;
+ case self::OPERATOR_TYPE:
+ $name = 'OPERATOR_TYPE';
+ break;
+ case self::PUNCTUATION_TYPE:
+ $name = 'PUNCTUATION_TYPE';
+ break;
+ case self::INTERPOLATION_START_TYPE:
+ $name = 'INTERPOLATION_START_TYPE';
+ break;
+ case self::INTERPOLATION_END_TYPE:
+ $name = 'INTERPOLATION_END_TYPE';
+ break;
+ default:
+ throw new Twig_Error_Syntax(sprintf('Token of type "%s" does not exist.', $type), $line);
+ }
+
+ return $short ? $name : 'Twig_Token::'.$name;
+ }
+
+ /**
+ * Returns the english representation of a given type.
+ *
+ * @param integer $type The type as an integer
+ * @param integer $line The code line
+ *
+ * @return string The string representation
+ */
+ static public function typeToEnglish($type, $line = -1)
+ {
+ switch ($type) {
+ case self::EOF_TYPE:
+ return 'end of template';
+ case self::TEXT_TYPE:
+ return 'text';
+ case self::BLOCK_START_TYPE:
+ return 'begin of statement block';
+ case self::VAR_START_TYPE:
+ return 'begin of print statement';
+ case self::BLOCK_END_TYPE:
+ return 'end of statement block';
+ case self::VAR_END_TYPE:
+ return 'end of print statement';
+ case self::NAME_TYPE:
+ return 'name';
+ case self::NUMBER_TYPE:
+ return 'number';
+ case self::STRING_TYPE:
+ return 'string';
+ case self::OPERATOR_TYPE:
+ return 'operator';
+ case self::PUNCTUATION_TYPE:
+ return 'punctuation';
+ case self::INTERPOLATION_START_TYPE:
+ return 'begin of string interpolation';
+ case self::INTERPOLATION_END_TYPE:
+ return 'end of string interpolation';
+ default:
+ throw new Twig_Error_Syntax(sprintf('Token of type "%s" does not exist.', $type), $line);
+ }
+ }
+}
diff --git a/core/vendor/Twig/TokenParser.php b/core/vendor/Twig/TokenParser.php
new file mode 100644
index 0000000..ab18bfa
--- /dev/null
+++ b/core/vendor/Twig/TokenParser.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Base class for all token parsers.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class Twig_TokenParser implements Twig_TokenParserInterface
+{
+ /**
+ * @var Twig_Parser
+ */
+ protected $parser;
+
+ /**
+ * Sets the parser associated with this token parser
+ *
+ * @param $parser A Twig_Parser instance
+ */
+ public function setParser(Twig_Parser $parser)
+ {
+ $this->parser = $parser;
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/AutoEscape.php b/core/vendor/Twig/TokenParser/AutoEscape.php
new file mode 100644
index 0000000..0040845
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/AutoEscape.php
@@ -0,0 +1,88 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Marks a section of a template to be escaped or not.
+ *
+ * <pre>
+ * {% autoescape true %}
+ * Everything will be automatically escaped in this block
+ * {% endautoescape %}
+ *
+ * {% autoescape false %}
+ * Everything will be outputed as is in this block
+ * {% endautoescape %}
+ *
+ * {% autoescape true js %}
+ * Everything will be automatically escaped in this block
+ * using the js escaping strategy
+ * {% endautoescape %}
+ * </pre>
+ */
+class Twig_TokenParser_AutoEscape extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+
+ if ($this->parser->getStream()->test(Twig_Token::BLOCK_END_TYPE)) {
+ $value = 'html';
+ } else {
+ $expr = $this->parser->getExpressionParser()->parseExpression();
+ if (!$expr instanceof Twig_Node_Expression_Constant) {
+ throw new Twig_Error_Syntax('An escaping strategy must be a string or a Boolean.', $lineno);
+ }
+ $value = $expr->getAttribute('value');
+
+ $compat = true === $value || false === $value;
+
+ if (true === $value) {
+ $value = 'html';
+ }
+
+ if ($compat && $this->parser->getStream()->test(Twig_Token::NAME_TYPE)) {
+ if (false === $value) {
+ throw new Twig_Error_Syntax('Unexpected escaping strategy as you set autoescaping to false.', $lineno);
+ }
+
+ $value = $this->parser->getStream()->next()->getValue();
+ }
+ }
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_AutoEscape($value, $body, $lineno, $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endautoescape');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'autoescape';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/Block.php b/core/vendor/Twig/TokenParser/Block.php
new file mode 100644
index 0000000..994078e
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/Block.php
@@ -0,0 +1,83 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Marks a section of a template as being reusable.
+ *
+ * <pre>
+ * {% block head %}
+ * <link rel="stylesheet" href="style.css" />
+ * <title>{% block title %}{% endblock %} - My Webpage</title>
+ * {% endblock %}
+ * </pre>
+ */
+class Twig_TokenParser_Block extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $stream = $this->parser->getStream();
+ $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+ if ($this->parser->hasBlock($name)) {
+ throw new Twig_Error_Syntax(sprintf("The block '$name' has already been defined line %d", $this->parser->getBlock($name)->getLine()), $lineno);
+ }
+ $this->parser->setBlock($name, $block = new Twig_Node_Block($name, new Twig_Node(array()), $lineno));
+ $this->parser->pushLocalScope();
+ $this->parser->pushBlockStack($name);
+
+ if ($stream->test(Twig_Token::BLOCK_END_TYPE)) {
+ $stream->next();
+
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ if ($stream->test(Twig_Token::NAME_TYPE)) {
+ $value = $stream->next()->getValue();
+
+ if ($value != $name) {
+ throw new Twig_Error_Syntax(sprintf("Expected endblock for block '$name' (but %s given)", $value), $lineno);
+ }
+ }
+ } else {
+ $body = new Twig_Node(array(
+ new Twig_Node_Print($this->parser->getExpressionParser()->parseExpression(), $lineno),
+ ));
+ }
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $block->setNode('body', $body);
+ $this->parser->popBlockStack();
+ $this->parser->popLocalScope();
+
+ return new Twig_Node_BlockReference($name, $lineno, $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endblock');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'block';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/Do.php b/core/vendor/Twig/TokenParser/Do.php
new file mode 100644
index 0000000..593d1c6
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/Do.php
@@ -0,0 +1,42 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Evaluates an expression, disgarding the returned value.
+ */
+class Twig_TokenParser_Do extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $expr = $this->parser->getExpressionParser()->parseExpression();
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Do($expr, $token->getLine(), $this->getTag());
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'do';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/Embed.php b/core/vendor/Twig/TokenParser/Embed.php
new file mode 100644
index 0000000..69cb5f3
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/Embed.php
@@ -0,0 +1,66 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2012 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Embeds a template.
+ */
+class Twig_TokenParser_Embed extends Twig_TokenParser_Include
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $stream = $this->parser->getStream();
+
+ $parent = $this->parser->getExpressionParser()->parseExpression();
+
+ list($variables, $only, $ignoreMissing) = $this->parseArguments();
+
+ // inject a fake parent to make the parent() function work
+ $stream->injectTokens(array(
+ new Twig_Token(Twig_Token::BLOCK_START_TYPE, '', $token->getLine()),
+ new Twig_Token(Twig_Token::NAME_TYPE, 'extends', $token->getLine()),
+ new Twig_Token(Twig_Token::STRING_TYPE, '__parent__', $token->getLine()),
+ new Twig_Token(Twig_Token::BLOCK_END_TYPE, '', $token->getLine()),
+ ));
+
+ $module = $this->parser->parse($stream, array($this, 'decideBlockEnd'), true);
+
+ // override the parent with the correct one
+ $module->setNode('parent', $parent);
+
+ $this->parser->embedTemplate($module);
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Embed($module->getAttribute('filename'), $module->getAttribute('index'), $variables, $only, $ignoreMissing, $token->getLine(), $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endembed');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'embed';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/Extends.php b/core/vendor/Twig/TokenParser/Extends.php
new file mode 100644
index 0000000..54f49ad
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/Extends.php
@@ -0,0 +1,54 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Extends a template by another one.
+ *
+ * <pre>
+ * {% extends "base.html" %}
+ * </pre>
+ */
+class Twig_TokenParser_Extends extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ if (!$this->parser->isMainScope()) {
+ throw new Twig_Error_Syntax('Cannot extend from a block', $token->getLine());
+ }
+
+ if (null !== $this->parser->getParent()) {
+ throw new Twig_Error_Syntax('Multiple extends tags are forbidden', $token->getLine());
+ }
+ $this->parser->setParent($this->parser->getExpressionParser()->parseExpression());
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return null;
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'extends';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/Filter.php b/core/vendor/Twig/TokenParser/Filter.php
new file mode 100644
index 0000000..2b97475
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/Filter.php
@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Filters a section of a template by applying filters.
+ *
+ * <pre>
+ * {% filter upper %}
+ * This text becomes uppercase
+ * {% endfilter %}
+ * </pre>
+ */
+class Twig_TokenParser_Filter extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $name = $this->parser->getVarName();
+ $ref = new Twig_Node_Expression_BlockReference(new Twig_Node_Expression_Constant($name, $token->getLine()), true, $token->getLine(), $this->getTag());
+
+ $filter = $this->parser->getExpressionParser()->parseFilterExpressionRaw($ref, $this->getTag());
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $block = new Twig_Node_Block($name, $body, $token->getLine());
+ $this->parser->setBlock($name, $block);
+
+ return new Twig_Node_Print($filter, $token->getLine(), $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endfilter');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'filter';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/Flush.php b/core/vendor/Twig/TokenParser/Flush.php
new file mode 100644
index 0000000..4e15e78
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/Flush.php
@@ -0,0 +1,42 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Flushes the output to the client.
+ *
+ * @see flush()
+ */
+class Twig_TokenParser_Flush extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Flush($token->getLine(), $this->getTag());
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'flush';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/For.php b/core/vendor/Twig/TokenParser/For.php
new file mode 100644
index 0000000..2cbb580
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/For.php
@@ -0,0 +1,89 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Loops over each item of a sequence.
+ *
+ * <pre>
+ * <ul>
+ * {% for user in users %}
+ * <li>{{ user.username|e }}</li>
+ * {% endfor %}
+ * </ul>
+ * </pre>
+ */
+class Twig_TokenParser_For extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $targets = $this->parser->getExpressionParser()->parseAssignmentExpression();
+ $this->parser->getStream()->expect(Twig_Token::OPERATOR_TYPE, 'in');
+ $seq = $this->parser->getExpressionParser()->parseExpression();
+
+ $ifexpr = null;
+ if ($this->parser->getStream()->test(Twig_Token::NAME_TYPE, 'if')) {
+ $this->parser->getStream()->next();
+ $ifexpr = $this->parser->getExpressionParser()->parseExpression();
+ }
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideForFork'));
+ if ($this->parser->getStream()->next()->getValue() == 'else') {
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $else = $this->parser->subparse(array($this, 'decideForEnd'), true);
+ } else {
+ $else = null;
+ }
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ if (count($targets) > 1) {
+ $keyTarget = $targets->getNode(0);
+ $keyTarget = new Twig_Node_Expression_AssignName($keyTarget->getAttribute('name'), $keyTarget->getLine());
+ $valueTarget = $targets->getNode(1);
+ $valueTarget = new Twig_Node_Expression_AssignName($valueTarget->getAttribute('name'), $valueTarget->getLine());
+ } else {
+ $keyTarget = new Twig_Node_Expression_AssignName('_key', $lineno);
+ $valueTarget = $targets->getNode(0);
+ $valueTarget = new Twig_Node_Expression_AssignName($valueTarget->getAttribute('name'), $valueTarget->getLine());
+ }
+
+ return new Twig_Node_For($keyTarget, $valueTarget, $seq, $ifexpr, $body, $else, $lineno, $this->getTag());
+ }
+
+ public function decideForFork(Twig_Token $token)
+ {
+ return $token->test(array('else', 'endfor'));
+ }
+
+ public function decideForEnd(Twig_Token $token)
+ {
+ return $token->test('endfor');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'for';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/From.php b/core/vendor/Twig/TokenParser/From.php
new file mode 100644
index 0000000..16999bc
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/From.php
@@ -0,0 +1,74 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Imports macros.
+ *
+ * <pre>
+ * {% from 'forms.html' import forms %}
+ * </pre>
+ */
+class Twig_TokenParser_From extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $macro = $this->parser->getExpressionParser()->parseExpression();
+ $stream = $this->parser->getStream();
+ $stream->expect('import');
+
+ $targets = array();
+ do {
+ $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+
+ $alias = $name;
+ if ($stream->test('as')) {
+ $stream->next();
+
+ $alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+ }
+
+ $targets[$name] = $alias;
+
+ if (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ',')) {
+ break;
+ }
+
+ $stream->next();
+ } while (true);
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $node = new Twig_Node_Import($macro, new Twig_Node_Expression_AssignName($this->parser->getVarName(), $token->getLine()), $token->getLine(), $this->getTag());
+
+ foreach ($targets as $name => $alias) {
+ $this->parser->addImportedFunction($alias, 'get'.$name, $node->getNode('var'));
+ }
+
+ return $node;
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'from';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/If.php b/core/vendor/Twig/TokenParser/If.php
new file mode 100644
index 0000000..1a694af
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/If.php
@@ -0,0 +1,93 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Tests a condition.
+ *
+ * <pre>
+ * {% if users %}
+ * <ul>
+ * {% for user in users %}
+ * <li>{{ user.username|e }}</li>
+ * {% endfor %}
+ * </ul>
+ * {% endif %}
+ * </pre>
+ */
+class Twig_TokenParser_If extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $expr = $this->parser->getExpressionParser()->parseExpression();
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideIfFork'));
+ $tests = array($expr, $body);
+ $else = null;
+
+ $end = false;
+ while (!$end) {
+ switch ($this->parser->getStream()->next()->getValue()) {
+ case 'else':
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $else = $this->parser->subparse(array($this, 'decideIfEnd'));
+ break;
+
+ case 'elseif':
+ $expr = $this->parser->getExpressionParser()->parseExpression();
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideIfFork'));
+ $tests[] = $expr;
+ $tests[] = $body;
+ break;
+
+ case 'endif':
+ $end = true;
+ break;
+
+ default:
+ throw new Twig_Error_Syntax(sprintf('Unexpected end of template. Twig was looking for the following tags "else", "elseif", or "endif" to close the "if" block started at line %d)', $lineno), -1);
+ }
+ }
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_If(new Twig_Node($tests), $else, $lineno, $this->getTag());
+ }
+
+ public function decideIfFork(Twig_Token $token)
+ {
+ return $token->test(array('elseif', 'else', 'endif'));
+ }
+
+ public function decideIfEnd(Twig_Token $token)
+ {
+ return $token->test(array('endif'));
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'if';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/Import.php b/core/vendor/Twig/TokenParser/Import.php
new file mode 100644
index 0000000..5219289
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/Import.php
@@ -0,0 +1,47 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Imports macros.
+ *
+ * <pre>
+ * {% import 'forms.html' as forms %}
+ * </pre>
+ */
+class Twig_TokenParser_Import extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $macro = $this->parser->getExpressionParser()->parseExpression();
+ $this->parser->getStream()->expect('as');
+ $var = new Twig_Node_Expression_AssignName($this->parser->getStream()->expect(Twig_Token::NAME_TYPE)->getValue(), $token->getLine());
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Import($macro, $var, $token->getLine(), $this->getTag());
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'import';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/Include.php b/core/vendor/Twig/TokenParser/Include.php
new file mode 100644
index 0000000..4a31786
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/Include.php
@@ -0,0 +1,80 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Includes a template.
+ *
+ * <pre>
+ * {% include 'header.html' %}
+ * Body
+ * {% include 'footer.html' %}
+ * </pre>
+ */
+class Twig_TokenParser_Include extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $expr = $this->parser->getExpressionParser()->parseExpression();
+
+ list($variables, $only, $ignoreMissing) = $this->parseArguments();
+
+ return new Twig_Node_Include($expr, $variables, $only, $ignoreMissing, $token->getLine(), $this->getTag());
+ }
+
+ protected function parseArguments()
+ {
+ $stream = $this->parser->getStream();
+
+ $ignoreMissing = false;
+ if ($stream->test(Twig_Token::NAME_TYPE, 'ignore')) {
+ $stream->next();
+ $stream->expect(Twig_Token::NAME_TYPE, 'missing');
+
+ $ignoreMissing = true;
+ }
+
+ $variables = null;
+ if ($stream->test(Twig_Token::NAME_TYPE, 'with')) {
+ $stream->next();
+
+ $variables = $this->parser->getExpressionParser()->parseExpression();
+ }
+
+ $only = false;
+ if ($stream->test(Twig_Token::NAME_TYPE, 'only')) {
+ $stream->next();
+
+ $only = true;
+ }
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return array($variables, $only, $ignoreMissing);
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'include';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/Macro.php b/core/vendor/Twig/TokenParser/Macro.php
new file mode 100644
index 0000000..ffd5848
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/Macro.php
@@ -0,0 +1,69 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Defines a macro.
+ *
+ * <pre>
+ * {% macro input(name, value, type, size) %}
+ * <input type="{{ type|default('text') }}" name="{{ name }}" value="{{ value|e }}" size="{{ size|default(20) }}" />
+ * {% endmacro %}
+ * </pre>
+ */
+class Twig_TokenParser_Macro extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $name = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE)->getValue();
+
+ $arguments = $this->parser->getExpressionParser()->parseArguments();
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $this->parser->pushLocalScope();
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ if ($this->parser->getStream()->test(Twig_Token::NAME_TYPE)) {
+ $value = $this->parser->getStream()->next()->getValue();
+
+ if ($value != $name) {
+ throw new Twig_Error_Syntax(sprintf("Expected endmacro for macro '$name' (but %s given)", $value), $lineno);
+ }
+ }
+ $this->parser->popLocalScope();
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $this->parser->setMacro($name, new Twig_Node_Macro($name, new Twig_Node_Body(array($body)), $arguments, $lineno, $this->getTag()));
+
+ return null;
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endmacro');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'macro';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/Sandbox.php b/core/vendor/Twig/TokenParser/Sandbox.php
new file mode 100644
index 0000000..0277c70
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/Sandbox.php
@@ -0,0 +1,55 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Marks a section of a template as untrusted code that must be evaluated in the sandbox mode.
+ *
+ * <pre>
+ * {% sandbox %}
+ * {% include 'user.html' %}
+ * {% endsandbox %}
+ * </pre>
+ *
+ * @see http://www.twig-project.org/doc/api.html#sandbox-extension for details
+ */
+class Twig_TokenParser_Sandbox extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Sandbox($body, $token->getLine(), $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endsandbox');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'sandbox';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/Set.php b/core/vendor/Twig/TokenParser/Set.php
new file mode 100644
index 0000000..3b4479c
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/Set.php
@@ -0,0 +1,84 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Defines a variable.
+ *
+ * <pre>
+ * {% set foo = 'foo' %}
+ *
+ * {% set foo = [1, 2] %}
+ *
+ * {% set foo = {'foo': 'bar'} %}
+ *
+ * {% set foo = 'foo' ~ 'bar' %}
+ *
+ * {% set foo, bar = 'foo', 'bar' %}
+ *
+ * {% set foo %}Some content{% endset %}
+ * </pre>
+ */
+class Twig_TokenParser_Set extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $stream = $this->parser->getStream();
+ $names = $this->parser->getExpressionParser()->parseAssignmentExpression();
+
+ $capture = false;
+ if ($stream->test(Twig_Token::OPERATOR_TYPE, '=')) {
+ $stream->next();
+ $values = $this->parser->getExpressionParser()->parseMultitargetExpression();
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ if (count($names) !== count($values)) {
+ throw new Twig_Error_Syntax("When using set, you must have the same number of variables and assignements.", $lineno);
+ }
+ } else {
+ $capture = true;
+
+ if (count($names) > 1) {
+ throw new Twig_Error_Syntax("When using set with a block, you cannot have a multi-target.", $lineno);
+ }
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $values = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+ }
+
+ return new Twig_Node_Set($capture, $names, $values, $lineno, $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endset');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'set';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/Spaceless.php b/core/vendor/Twig/TokenParser/Spaceless.php
new file mode 100644
index 0000000..1e3fa8f
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/Spaceless.php
@@ -0,0 +1,59 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Remove whitespaces between HTML tags.
+ *
+ * <pre>
+ * {% spaceless %}
+ * <div>
+ * <strong>foo</strong>
+ * </div>
+ * {% endspaceless %}
+ *
+ * {# output will be <div><strong>foo</strong></div> #}
+ * </pre>
+ */
+class Twig_TokenParser_Spaceless extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideSpacelessEnd'), true);
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Spaceless($body, $lineno, $this->getTag());
+ }
+
+ public function decideSpacelessEnd(Twig_Token $token)
+ {
+ return $token->test('endspaceless');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'spaceless';
+ }
+}
diff --git a/core/vendor/Twig/TokenParser/Use.php b/core/vendor/Twig/TokenParser/Use.php
new file mode 100644
index 0000000..beafc80
--- /dev/null
+++ b/core/vendor/Twig/TokenParser/Use.php
@@ -0,0 +1,85 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Imports blocks defined in another template into the current template.
+ *
+ * <pre>
+ * {% extends "base.html" %}
+ *
+ * {% use "blocks.html" %}
+ *
+ * {% block title %}{% endblock %}
+ * {% block content %}{% endblock %}
+ * </pre>
+ *
+ * @see http://www.twig-project.org/doc/templates.html#horizontal-reuse for details.
+ */
+class Twig_TokenParser_Use extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $template = $this->parser->getExpressionParser()->parseExpression();
+
+ if (!$template instanceof Twig_Node_Expression_Constant) {
+ throw new Twig_Error_Syntax('The template references in a "use" statement must be a string.', $token->getLine());
+ }
+
+ $stream = $this->parser->getStream();
+
+ $targets = array();
+ if ($stream->test('with')) {
+ $stream->next();
+
+ do {
+ $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+
+ $alias = $name;
+ if ($stream->test('as')) {
+ $stream->next();
+
+ $alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+ }
+
+ $targets[$name] = new Twig_Node_Expression_Constant($alias, -1);
+
+ if (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ',')) {
+ break;
+ }
+
+ $stream->next();
+ } while (true);
+ }
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $this->parser->addTrait(new Twig_Node(array('template' => $template, 'targets' => new Twig_Node($targets))));
+
+ return null;
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ public function getTag()
+ {
+ return 'use';
+ }
+}
diff --git a/core/vendor/Twig/TokenParserBroker.php b/core/vendor/Twig/TokenParserBroker.php
new file mode 100644
index 0000000..b214e99
--- /dev/null
+++ b/core/vendor/Twig/TokenParserBroker.php
@@ -0,0 +1,113 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ * (c) 2010 Arnaud Le Blanc
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Default implementation of a token parser broker.
+ *
+ * @package twig
+ * @author Arnaud Le Blanc <arnaud.lb@gmail.com>
+ */
+class Twig_TokenParserBroker implements Twig_TokenParserBrokerInterface
+{
+ protected $parser;
+ protected $parsers = array();
+ protected $brokers = array();
+
+ /**
+ * Constructor.
+ *
+ * @param array|Traversable $parsers A Traversable of Twig_TokenParserInterface instances
+ * @param array|Traversable $brokers A Traversable of Twig_TokenParserBrokerInterface instances
+ */
+ public function __construct($parsers = array(), $brokers = array())
+ {
+ foreach ($parsers as $parser) {
+ if (!$parser instanceof Twig_TokenParserInterface) {
+ throw new Twig_Error('$parsers must a an array of Twig_TokenParserInterface');
+ }
+ $this->parsers[$parser->getTag()] = $parser;
+ }
+ foreach ($brokers as $broker) {
+ if (!$broker instanceof Twig_TokenParserBrokerInterface) {
+ throw new Twig_Error('$brokers must a an array of Twig_TokenParserBrokerInterface');
+ }
+ $this->brokers[] = $broker;
+ }
+ }
+
+ /**
+ * Adds a TokenParser.
+ *
+ * @param Twig_TokenParserInterface $parser A Twig_TokenParserInterface instance
+ */
+ public function addTokenParser(Twig_TokenParserInterface $parser)
+ {
+ $this->parsers[$parser->getTag()] = $parser;
+ }
+
+ /**
+ * Adds a TokenParserBroker.
+ *
+ * @param Twig_TokenParserBroker $broker A Twig_TokenParserBroker instance
+ */
+ public function addTokenParserBroker(Twig_TokenParserBroker $broker)
+ {
+ $this->brokers[] = $broker;
+ }
+
+ /**
+ * Gets a suitable TokenParser for a tag.
+ *
+ * First looks in parsers, then in brokers.
+ *
+ * @param string $tag A tag name
+ *
+ * @return null|Twig_TokenParserInterface A Twig_TokenParserInterface or null if no suitable TokenParser was found
+ */
+ public function getTokenParser($tag)
+ {
+ if (isset($this->parsers[$tag])) {
+ return $this->parsers[$tag];
+ }
+ $broker = end($this->brokers);
+ while (false !== $broker) {
+ $parser = $broker->getTokenParser($tag);
+ if (null !== $parser) {
+ return $parser;
+ }
+ $broker = prev($this->brokers);
+ }
+
+ return null;
+ }
+
+ public function getParsers()
+ {
+ return $this->parsers;
+ }
+
+ public function getParser()
+ {
+ return $this->parser;
+ }
+
+ public function setParser(Twig_ParserInterface $parser)
+ {
+ $this->parser = $parser;
+ foreach ($this->parsers as $tokenParser) {
+ $tokenParser->setParser($parser);
+ }
+ foreach ($this->brokers as $broker) {
+ $broker->setParser($parser);
+ }
+ }
+}
diff --git a/core/vendor/Twig/TokenParserBrokerInterface.php b/core/vendor/Twig/TokenParserBrokerInterface.php
new file mode 100644
index 0000000..c2df729
--- /dev/null
+++ b/core/vendor/Twig/TokenParserBrokerInterface.php
@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ * (c) 2010 Arnaud Le Blanc
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Interface implemented by token parser brokers.
+ *
+ * Token parser brokers allows to implement custom logic in the process of resolving a token parser for a given tag name.
+ *
+ * @package twig
+ * @author Arnaud Le Blanc <arnaud.lb@gmail.com>
+ */
+interface Twig_TokenParserBrokerInterface
+{
+ /**
+ * Gets a TokenParser suitable for a tag.
+ *
+ * @param string $tag A tag name
+ *
+ * @return null|Twig_TokenParserInterface A Twig_TokenParserInterface or null if no suitable TokenParser was found
+ */
+ function getTokenParser($tag);
+
+ /**
+ * Calls Twig_TokenParserInterface::setParser on all parsers the implementation knows of.
+ *
+ * @param Twig_ParserInterface $parser A Twig_ParserInterface interface
+ */
+ function setParser(Twig_ParserInterface $parser);
+
+ /**
+ * Gets the Twig_ParserInterface.
+ *
+ * @return null|Twig_ParserInterface A Twig_ParserInterface instance or null
+ */
+ function getParser();
+}
diff --git a/core/vendor/Twig/TokenParserInterface.php b/core/vendor/Twig/TokenParserInterface.php
new file mode 100644
index 0000000..192c018
--- /dev/null
+++ b/core/vendor/Twig/TokenParserInterface.php
@@ -0,0 +1,42 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Interface implemented by token parsers.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_TokenParserInterface
+{
+ /**
+ * Sets the parser associated with this token parser
+ *
+ * @param $parser A Twig_Parser instance
+ */
+ function setParser(Twig_Parser $parser);
+
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ function parse(Twig_Token $token);
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @return string The tag name
+ */
+ function getTag();
+}
diff --git a/core/vendor/Twig/TokenStream.php b/core/vendor/Twig/TokenStream.php
new file mode 100644
index 0000000..5708091
--- /dev/null
+++ b/core/vendor/Twig/TokenStream.php
@@ -0,0 +1,145 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a token stream.
+ *
+ * @package twig
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_TokenStream
+{
+ protected $tokens;
+ protected $current;
+ protected $filename;
+
+ /**
+ * Constructor.
+ *
+ * @param array $tokens An array of tokens
+ * @param string $filename The name of the filename which tokens are associated with
+ */
+ public function __construct(array $tokens, $filename = null)
+ {
+ $this->tokens = $tokens;
+ $this->current = 0;
+ $this->filename = $filename;
+ }
+
+ /**
+ * Returns a string representation of the token stream.
+ *
+ * @return string
+ */
+ public function __toString()
+ {
+ return implode("\n", $this->tokens);
+ }
+
+ public function injectTokens(array $tokens)
+ {
+ $this->tokens = array_merge(array_slice($this->tokens, 0, $this->current), $tokens, array_slice($this->tokens, $this->current));
+ }
+
+ /**
+ * Sets the pointer to the next token and returns the old one.
+ *
+ * @return Twig_Token
+ */
+ public function next()
+ {
+ if (!isset($this->tokens[++$this->current])) {
+ throw new Twig_Error_Syntax('Unexpected end of template', -1, $this->filename);
+ }
+
+ return $this->tokens[$this->current - 1];
+ }
+
+ /**
+ * Tests a token and returns it or throws a syntax error.
+ *
+ * @return Twig_Token
+ */
+ public function expect($type, $value = null, $message = null)
+ {
+ $token = $this->tokens[$this->current];
+ if (!$token->test($type, $value)) {
+ $line = $token->getLine();
+ throw new Twig_Error_Syntax(sprintf('%sUnexpected token "%s" of value "%s" ("%s" expected%s)',
+ $message ? $message.'. ' : '',
+ Twig_Token::typeToEnglish($token->getType(), $line), $token->getValue(),
+ Twig_Token::typeToEnglish($type, $line), $value ? sprintf(' with value "%s"', $value) : ''),
+ $line,
+ $this->filename
+ );
+ }
+ $this->next();
+
+ return $token;
+ }
+
+ /**
+ * Looks at the next token.
+ *
+ * @param integer $number
+ *
+ * @return Twig_Token
+ */
+ public function look($number = 1)
+ {
+ if (!isset($this->tokens[$this->current + $number])) {
+ throw new Twig_Error_Syntax('Unexpected end of template', -1, $this->filename);
+ }
+
+ return $this->tokens[$this->current + $number];
+ }
+
+ /**
+ * Tests the current token
+ *
+ * @return bool
+ */
+ public function test($primary, $secondary = null)
+ {
+ return $this->tokens[$this->current]->test($primary, $secondary);
+ }
+
+ /**
+ * Checks if end of stream was reached
+ *
+ * @return bool
+ */
+ public function isEOF()
+ {
+ return $this->tokens[$this->current]->getType() === Twig_Token::EOF_TYPE;
+ }
+
+ /**
+ * Gets the current token
+ *
+ * @return Twig_Token
+ */
+ public function getCurrent()
+ {
+ return $this->tokens[$this->current];
+ }
+
+ /**
+ * Gets the filename associated with this stream
+ *
+ * @return string
+ */
+ public function getFilename()
+ {
+ return $this->filename;
+ }
+}