upgrade

vendor/twig/extensions/lib/Twig/Extensions/Autoloader.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.
+ */
+
+@trigger_error('The "Twig_Extensions_Autoloader" class is deprecated since version 1.5. Use Composer instead.', E_USER_DEPRECATED);
+
+/**
+ * Autoloads Twig Extensions classes.
+ *
+ * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
+ *
+ * @deprecated since version 1.5, use Composer instead.
+ */
+class Twig_Extensions_Autoloader
+{
+    /**
+     * Registers Twig_Extensions_Autoloader as an SPL autoloader.
+     */
+    public static function register()
+    {
+        spl_autoload_register(array(new self(), 'autoload'));
+    }
+
+    /**
+     * Handles autoloading of classes.
+     *
+     * @param string $class a class name
+     *
+     * @return bool Returns true if the class has been loaded
+     */
+    public static function autoload($class)
+    {
+        if (0 !== strpos($class, 'Twig_Extensions')) {
+            return;
+        }
+
+        if (file_exists($file = __DIR__.'/../../'.str_replace('_', '/', $class).'.php')) {
+            require $file;
+        }
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/Extension/Array.php

@@ -0,0 +1,56 @@
+<?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.
+ */
+
+/**
+ * @author Ricard Clau <ricard.clau@gmail.com>
+ */
+class Twig_Extensions_Extension_Array extends Twig_Extension
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getFilters()
+    {
+        $filters = array(
+             new Twig_SimpleFilter('shuffle', 'twig_shuffle_filter'),
+        );
+
+        return $filters;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'array';
+    }
+}
+
+/**
+ * Shuffles an array.
+ *
+ * @param array|Traversable $array An array
+ *
+ * @return array
+ */
+function twig_shuffle_filter($array)
+{
+    if ($array instanceof Traversable) {
+        $array = iterator_to_array($array, false);
+    }
+
+    shuffle($array);
+
+    return $array;
+}
+
+class_alias('Twig_Extensions_Extension_Array', 'Twig\Extensions\ArrayExtension', false);

vendor/twig/extensions/lib/Twig/Extensions/Extension/Date.php

@@ -0,0 +1,107 @@
+<?php
+
+/**
+ * This file is part of Twig.
+ *
+ * (c) 2014 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+use Symfony\Component\Translation\TranslatorInterface;
+use Symfony\Component\Translation\IdentityTranslator;
+
+/**
+ * @author Robin van der Vleuten <robinvdvleuten@gmail.com>
+ */
+class Twig_Extensions_Extension_Date extends Twig_Extension
+{
+    public static $units = array(
+        'y' => 'year',
+        'm' => 'month',
+        'd' => 'day',
+        'h' => 'hour',
+        'i' => 'minute',
+        's' => 'second',
+    );
+
+    /**
+     * @var TranslatorInterface
+     */
+    private $translator;
+
+    public function __construct(TranslatorInterface $translator = null)
+    {
+        // Ignore the IdentityTranslator, otherwise the parameters won't be replaced properly
+        if ($translator instanceof IdentityTranslator) {
+            $translator = null;
+        }
+
+        $this->translator = $translator;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getFilters()
+    {
+        return array(
+            new Twig_SimpleFilter('time_diff', array($this, 'diff'), array('needs_environment' => true)),
+        );
+    }
+
+    /**
+     * Filter for converting dates to a time ago string like Facebook and Twitter has.
+     *
+     * @param Twig_Environment $env  a Twig_Environment instance
+     * @param string|DateTime  $date a string or DateTime object to convert
+     * @param string|DateTime  $now  A string or DateTime object to compare with. If none given, the current time will be used.
+     *
+     * @return string the converted time
+     */
+    public function diff(Twig_Environment $env, $date, $now = null)
+    {
+        // Convert both dates to DateTime instances.
+        $date = twig_date_converter($env, $date);
+        $now = twig_date_converter($env, $now);
+
+        // Get the difference between the two DateTime objects.
+        $diff = $date->diff($now);
+
+        // Check for each interval if it appears in the $diff object.
+        foreach (self::$units as $attribute => $unit) {
+            $count = $diff->$attribute;
+
+            if (0 !== $count) {
+                return $this->getPluralizedInterval($count, $diff->invert, $unit);
+            }
+        }
+
+        return '';
+    }
+
+    protected function getPluralizedInterval($count, $invert, $unit)
+    {
+        if ($this->translator) {
+            $id = sprintf('diff.%s.%s', $invert ? 'in' : 'ago', $unit);
+
+            return $this->translator->transChoice($id, $count, array('%count%' => $count), 'date');
+        }
+
+        if (1 !== $count) {
+            $unit .= 's';
+        }
+
+        return $invert ? "in $count $unit" : "$count $unit ago";
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'date';
+    }
+}
+
+class_alias('Twig_Extensions_Extension_Date', 'Twig\Extensions\DateExtension', false);

vendor/twig/extensions/lib/Twig/Extensions/Extension/I18n.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.
+ */
+
+class Twig_Extensions_Extension_I18n extends Twig_Extension
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getTokenParsers()
+    {
+        return array(new Twig_Extensions_TokenParser_Trans());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getFilters()
+    {
+        return array(
+             new Twig_SimpleFilter('trans', 'gettext'),
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'i18n';
+    }
+}
+
+class_alias('Twig_Extensions_Extension_I18n', 'Twig\Extensions\I18nExtension', false);

vendor/twig/extensions/lib/Twig/Extensions/Extension/Intl.php

@@ -0,0 +1,146 @@
+<?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_Extensions_Extension_Intl extends Twig_Extension
+{
+    public function __construct()
+    {
+        if (!class_exists('IntlDateFormatter')) {
+            throw new RuntimeException('The native PHP intl extension (http://php.net/manual/en/book.intl.php) is needed to use intl-based filters.');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getFilters()
+    {
+        return array(
+            new Twig_SimpleFilter('localizeddate', 'twig_localized_date_filter', array('needs_environment' => true)),
+            new Twig_SimpleFilter('localizednumber', 'twig_localized_number_filter'),
+            new Twig_SimpleFilter('localizedcurrency', 'twig_localized_currency_filter'),
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'intl';
+    }
+}
+
+function twig_localized_date_filter(Twig_Environment $env, $date, $dateFormat = 'medium', $timeFormat = 'medium', $locale = null, $timezone = null, $format = null, $calendar = 'gregorian')
+{
+    $date = twig_date_converter($env, $date, $timezone);
+
+    $formatValues = array(
+        'none' => IntlDateFormatter::NONE,
+        'short' => IntlDateFormatter::SHORT,
+        'medium' => IntlDateFormatter::MEDIUM,
+        'long' => IntlDateFormatter::LONG,
+        'full' => IntlDateFormatter::FULL,
+    );
+
+    if (PHP_VERSION_ID < 50500 || !class_exists('IntlTimeZone')) {
+        $formatter = IntlDateFormatter::create(
+            $locale,
+            $formatValues[$dateFormat],
+            $formatValues[$timeFormat],
+            $date->getTimezone()->getName(),
+            'gregorian' === $calendar ? IntlDateFormatter::GREGORIAN : IntlDateFormatter::TRADITIONAL,
+            $format
+        );
+
+        return $formatter->format($date->getTimestamp());
+    }
+
+    $formatter = IntlDateFormatter::create(
+        $locale,
+        $formatValues[$dateFormat],
+        $formatValues[$timeFormat],
+        IntlTimeZone::createTimeZone($date->getTimezone()->getName()),
+        'gregorian' === $calendar ? IntlDateFormatter::GREGORIAN : IntlDateFormatter::TRADITIONAL,
+        $format
+    );
+
+    return $formatter->format($date->getTimestamp());
+}
+
+function twig_localized_number_filter($number, $style = 'decimal', $type = 'default', $locale = null)
+{
+    static $typeValues = array(
+        'default' => NumberFormatter::TYPE_DEFAULT,
+        'int32' => NumberFormatter::TYPE_INT32,
+        'int64' => NumberFormatter::TYPE_INT64,
+        'double' => NumberFormatter::TYPE_DOUBLE,
+        'currency' => NumberFormatter::TYPE_CURRENCY,
+    );
+
+    $formatter = twig_get_number_formatter($locale, $style);
+
+    if (!isset($typeValues[$type])) {
+        throw new Twig_Error_Syntax(sprintf('The type "%s" does not exist. Known types are: "%s"', $type, implode('", "', array_keys($typeValues))));
+    }
+
+    return $formatter->format($number, $typeValues[$type]);
+}
+
+function twig_localized_currency_filter($number, $currency = null, $locale = null)
+{
+    $formatter = twig_get_number_formatter($locale, 'currency');
+
+    return $formatter->formatCurrency($number, $currency);
+}
+
+/**
+ * Gets a number formatter instance according to given locale and formatter.
+ *
+ * @param string $locale Locale in which the number would be formatted
+ * @param int    $style  Style of the formatting
+ *
+ * @return NumberFormatter A NumberFormatter instance
+ */
+function twig_get_number_formatter($locale, $style)
+{
+    static $formatter, $currentStyle;
+
+    $locale = null !== $locale ? $locale : Locale::getDefault();
+
+    if ($formatter && $formatter->getLocale() === $locale && $currentStyle === $style) {
+        // Return same instance of NumberFormatter if parameters are the same
+        // to those in previous call
+        return $formatter;
+    }
+
+    static $styleValues = array(
+        'decimal' => NumberFormatter::DECIMAL,
+        'currency' => NumberFormatter::CURRENCY,
+        'percent' => NumberFormatter::PERCENT,
+        'scientific' => NumberFormatter::SCIENTIFIC,
+        'spellout' => NumberFormatter::SPELLOUT,
+        'ordinal' => NumberFormatter::ORDINAL,
+        'duration' => NumberFormatter::DURATION,
+    );
+
+    if (!isset($styleValues[$style])) {
+        throw new Twig_Error_Syntax(sprintf('The style "%s" does not exist. Known styles are: "%s"', $style, implode('", "', array_keys($styleValues))));
+    }
+
+    $currentStyle = $style;
+
+    $formatter = NumberFormatter::create($locale, $styleValues[$style]);
+
+    return $formatter;
+}
+
+class_alias('Twig_Extensions_Extension_Intl', 'Twig\Extensions\IntlExtension', false);

vendor/twig/extensions/lib/Twig/Extensions/Extension/Text.php

@@ -0,0 +1,99 @@
+<?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.
+ */
+
+/**
+ * @author Henrik Bjornskov <hb@peytz.dk>
+ */
+class Twig_Extensions_Extension_Text extends Twig_Extension
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getFilters()
+    {
+        return array(
+            new Twig_SimpleFilter('truncate', 'twig_truncate_filter', array('needs_environment' => true)),
+            new Twig_SimpleFilter('wordwrap', 'twig_wordwrap_filter', array('needs_environment' => true)),
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'Text';
+    }
+}
+
+if (function_exists('mb_get_info')) {
+    function twig_truncate_filter(Twig_Environment $env, $value, $length = 30, $preserve = false, $separator = '...')
+    {
+        if (mb_strlen($value, $env->getCharset()) > $length) {
+            if ($preserve) {
+                // If breakpoint is on the last word, return the value without separator.
+                if (false === ($breakpoint = mb_strpos($value, ' ', $length, $env->getCharset()))) {
+                    return $value;
+                }
+
+                $length = $breakpoint;
+            }
+
+            return rtrim(mb_substr($value, 0, $length, $env->getCharset())).$separator;
+        }
+
+        return $value;
+    }
+
+    function twig_wordwrap_filter(Twig_Environment $env, $value, $length = 80, $separator = "\n", $preserve = false)
+    {
+        $sentences = array();
+
+        $previous = mb_regex_encoding();
+        mb_regex_encoding($env->getCharset());
+
+        $pieces = mb_split($separator, $value);
+        mb_regex_encoding($previous);
+
+        foreach ($pieces as $piece) {
+            while (!$preserve && mb_strlen($piece, $env->getCharset()) > $length) {
+                $sentences[] = mb_substr($piece, 0, $length, $env->getCharset());
+                $piece = mb_substr($piece, $length, 2048, $env->getCharset());
+            }
+
+            $sentences[] = $piece;
+        }
+
+        return implode($separator, $sentences);
+    }
+} else {
+    function twig_truncate_filter(Twig_Environment $env, $value, $length = 30, $preserve = false, $separator = '...')
+    {
+        if (strlen($value) > $length) {
+            if ($preserve) {
+                if (false !== ($breakpoint = strpos($value, ' ', $length))) {
+                    $length = $breakpoint;
+                }
+            }
+
+            return rtrim(substr($value, 0, $length)).$separator;
+        }
+
+        return $value;
+    }
+
+    function twig_wordwrap_filter(Twig_Environment $env, $value, $length = 80, $separator = "\n", $preserve = false)
+    {
+        return wordwrap($value, $length, $separator, !$preserve);
+    }
+}
+
+class_alias('Twig_Extensions_Extension_Text', 'Twig\Extensions\TextExtension', false);

vendor/twig/extensions/lib/Twig/Extensions/Grammar.php

@@ -0,0 +1,43 @@
+<?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.
+ */
+
+/**
+ * @deprecated since version 1.5
+ */
+abstract class Twig_Extensions_Grammar implements Twig_Extensions_GrammarInterface
+{
+    protected $name;
+    protected $parser;
+
+    /**
+     * @param string $name
+     */
+    public function __construct($name)
+    {
+        $this->name = $name;
+    }
+
+    /**
+     * @param Twig_Parser $parser
+     */
+    public function setParser(Twig_Parser $parser)
+    {
+        $this->parser = $parser;
+    }
+
+    /**
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/Grammar/Arguments.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.
+ */
+
+/**
+ * @deprecated since version 1.5
+ */
+class Twig_Extensions_Grammar_Arguments extends Twig_Extensions_Grammar
+{
+    public function __toString()
+    {
+        return sprintf('<%s:arguments>', $this->name);
+    }
+
+    public function parse(Twig_Token $token)
+    {
+        return $this->parser->getExpressionParser()->parseArguments();
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/Grammar/Array.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.
+ */
+
+/**
+ * @deprecated since version 1.5
+ */
+class Twig_Extensions_Grammar_Array extends Twig_Extensions_Grammar
+{
+    public function __toString()
+    {
+        return sprintf('<%s:array>', $this->name);
+    }
+
+    public function parse(Twig_Token $token)
+    {
+        return $this->parser->getExpressionParser()->parseArrayExpression();
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/Grammar/Body.php

@@ -0,0 +1,43 @@
+<?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.
+ */
+
+/**
+ * @deprecated since version 1.5
+ */
+class Twig_Extensions_Grammar_Body extends Twig_Extensions_Grammar
+{
+    protected $end;
+
+    public function __construct($name, $end = null)
+    {
+        parent::__construct($name);
+
+        $this->end = null === $end ? 'end'.$name : $end;
+    }
+
+    public function __toString()
+    {
+        return sprintf('<%s:body>', $this->name);
+    }
+
+    public function parse(Twig_Token $token)
+    {
+        $stream = $this->parser->getStream();
+        $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+        return $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+    }
+
+    public function decideBlockEnd(Twig_Token $token)
+    {
+        return $token->test($this->end);
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/Grammar/Boolean.php

@@ -0,0 +1,28 @@
+<?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.
+ */
+
+/**
+ * @deprecated since version 1.5
+ */
+class Twig_Extensions_Grammar_Boolean extends Twig_Extensions_Grammar
+{
+    public function __toString()
+    {
+        return sprintf('<%s:boolean>', $this->name);
+    }
+
+    public function parse(Twig_Token $token)
+    {
+        $this->parser->getStream()->expect(Twig_Token::NAME_TYPE, array('true', 'false'));
+
+        return new Twig_Node_Expression_Constant('true' === $token->getValue() ? true : false, $token->getLine());
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/Grammar/Constant.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.
+ */
+
+/**
+ * @deprecated since version 1.5
+ */
+class Twig_Extensions_Grammar_Constant extends Twig_Extensions_Grammar
+{
+    protected $type;
+
+    public function __construct($name, $type = null)
+    {
+        $this->name = $name;
+        $this->type = null === $type ? Twig_Token::NAME_TYPE : $type;
+    }
+
+    public function __toString()
+    {
+        return $this->name;
+    }
+
+    public function parse(Twig_Token $token)
+    {
+        $this->parser->getStream()->expect($this->type, $this->name);
+
+        return $this->name;
+    }
+
+    public function getType()
+    {
+        return $this->type;
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/Grammar/Expression.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.
+ */
+
+/**
+ * @deprecated since version 1.5
+ */
+class Twig_Extensions_Grammar_Expression extends Twig_Extensions_Grammar
+{
+    public function __toString()
+    {
+        return sprintf('<%s>', $this->name);
+    }
+
+    public function parse(Twig_Token $token)
+    {
+        return $this->parser->getExpressionParser()->parseExpression();
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/Grammar/Hash.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.
+ */
+
+/**
+ * @deprecated since version 1.5
+ */
+class Twig_Extensions_Grammar_Hash extends Twig_Extensions_Grammar
+{
+    public function __toString()
+    {
+        return sprintf('<%s:hash>', $this->name);
+    }
+
+    public function parse(Twig_Token $token)
+    {
+        return $this->parser->getExpressionParser()->parseHashExpression();
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/Grammar/Number.php

@@ -0,0 +1,28 @@
+<?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.
+ */
+
+/**
+ * @deprecated since version 1.5
+ */
+class Twig_Extensions_Grammar_Number extends Twig_Extensions_Grammar
+{
+    public function __toString()
+    {
+        return sprintf('<%s:number>', $this->name);
+    }
+
+    public function parse(Twig_Token $token)
+    {
+        $this->parser->getStream()->expect(Twig_Token::NUMBER_TYPE);
+
+        return new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/Grammar/Optional.php

@@ -0,0 +1,73 @@
+<?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.
+ */
+
+/**
+ * @deprecated since version 1.5
+ */
+class Twig_Extensions_Grammar_Optional extends Twig_Extensions_Grammar
+{
+    protected $grammar;
+
+    public function __construct()
+    {
+        $this->grammar = array();
+        foreach (func_get_args() as $grammar) {
+            $this->addGrammar($grammar);
+        }
+    }
+
+    public function __toString()
+    {
+        $repr = array();
+        foreach ($this->grammar as $grammar) {
+            $repr[] = (string) $grammar;
+        }
+
+        return sprintf('[%s]', implode(' ', $repr));
+    }
+
+    public function addGrammar(Twig_Extensions_GrammarInterface $grammar)
+    {
+        $this->grammar[] = $grammar;
+    }
+
+    public function parse(Twig_Token $token)
+    {
+        // test if we have the optional element before consuming it
+        if ($this->grammar[0] instanceof Twig_Extensions_Grammar_Constant) {
+            if (!$this->parser->getStream()->test($this->grammar[0]->getType(), $this->grammar[0]->getName())) {
+                return array();
+            }
+        } elseif ($this->grammar[0] instanceof Twig_Extensions_Grammar_Name) {
+            if (!$this->parser->getStream()->test(Twig_Token::NAME_TYPE)) {
+                return array();
+            }
+        } elseif ($this->parser->getStream()->test(Twig_Token::BLOCK_END_TYPE)) {
+            // if this is not a Constant or a Name, it must be the last element of the tag
+
+            return array();
+        }
+
+        $elements = array();
+        foreach ($this->grammar as $grammar) {
+            $grammar->setParser($this->parser);
+
+            $element = $grammar->parse($token);
+            if (is_array($element)) {
+                $elements = array_merge($elements, $element);
+            } else {
+                $elements[$grammar->getName()] = $element;
+            }
+        }
+
+        return $elements;
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/Grammar/Switch.php

@@ -0,0 +1,28 @@
+<?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.
+ */
+
+/**
+ * @deprecated since version 1.5
+ */
+class Twig_Extensions_Grammar_Switch extends Twig_Extensions_Grammar
+{
+    public function __toString()
+    {
+        return sprintf('<%s:switch>', $this->name);
+    }
+
+    public function parse(Twig_Token $token)
+    {
+        $this->parser->getStream()->expect(Twig_Token::NAME_TYPE, $this->name);
+
+        return new Twig_Node_Expression_Constant(true, $token->getLine());
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/Grammar/Tag.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.
+ */
+
+/**
+ * @deprecated since version 1.5
+ */
+class Twig_Extensions_Grammar_Tag extends Twig_Extensions_Grammar
+{
+    protected $grammar;
+
+    public function __construct()
+    {
+        $this->grammar = array();
+        foreach (func_get_args() as $grammar) {
+            $this->addGrammar($grammar);
+        }
+    }
+
+    public function __toString()
+    {
+        $repr = array();
+        foreach ($this->grammar as $grammar) {
+            $repr[] = (string) $grammar;
+        }
+
+        return implode(' ', $repr);
+    }
+
+    public function addGrammar(Twig_Extensions_GrammarInterface $grammar)
+    {
+        $this->grammar[] = $grammar;
+    }
+
+    public function parse(Twig_Token $token)
+    {
+        $elements = array();
+        foreach ($this->grammar as $grammar) {
+            $grammar->setParser($this->parser);
+
+            $element = $grammar->parse($token);
+            if (is_array($element)) {
+                $elements = array_merge($elements, $element);
+            } else {
+                $elements[$grammar->getName()] = $element;
+            }
+        }
+
+        $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+        return $elements;
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/GrammarInterface.php

@@ -0,0 +1,22 @@
+<?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.
+ */
+
+/**
+ * @deprecated since version 1.5
+ */
+interface Twig_Extensions_GrammarInterface
+{
+    public function setParser(Twig_Parser $parser);
+
+    public function parse(Twig_Token $token);
+
+    public function getName();
+}

vendor/twig/extensions/lib/Twig/Extensions/Node/Trans.php

@@ -0,0 +1,166 @@
+<?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 trans node.
+ *
+ * @author Fabien Potencier <fabien.potencier@symfony-project.com>
+ */
+class Twig_Extensions_Node_Trans extends Twig_Node
+{
+    public function __construct(Twig_Node $body, Twig_Node $plural = null, Twig_Node_Expression $count = null, Twig_Node $notes = null, $lineno, $tag = null)
+    {
+        $nodes = array('body' => $body);
+        if (null !== $count) {
+            $nodes['count'] = $count;
+        }
+        if (null !== $plural) {
+            $nodes['plural'] = $plural;
+        }
+        if (null !== $notes) {
+            $nodes['notes'] = $notes;
+        }
+
+        parent::__construct($nodes, array(), $lineno, $tag);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function compile(Twig_Compiler $compiler)
+    {
+        $compiler->addDebugInfo($this);
+
+        list($msg, $vars) = $this->compileString($this->getNode('body'));
+
+        if ($this->hasNode('plural')) {
+            list($msg1, $vars1) = $this->compileString($this->getNode('plural'));
+
+            $vars = array_merge($vars, $vars1);
+        }
+
+        $function = $this->getTransFunction($this->hasNode('plural'));
+
+        if ($this->hasNode('notes')) {
+            $message = trim($this->getNode('notes')->getAttribute('data'));
+
+            // line breaks are not allowed cause we want a single line comment
+            $message = str_replace(array("\n", "\r"), ' ', $message);
+            $compiler->write("// notes: {$message}\n");
+        }
+
+        if ($vars) {
+            $compiler
+                ->write('echo strtr('.$function.'(')
+                ->subcompile($msg)
+            ;
+
+            if ($this->hasNode('plural')) {
+                $compiler
+                    ->raw(', ')
+                    ->subcompile($msg1)
+                    ->raw(', abs(')
+                    ->subcompile($this->hasNode('count') ? $this->getNode('count') : null)
+                    ->raw(')')
+                ;
+            }
+
+            $compiler->raw('), array(');
+
+            foreach ($vars as $var) {
+                if ('count' === $var->getAttribute('name')) {
+                    $compiler
+                        ->string('%count%')
+                        ->raw(' => abs(')
+                        ->subcompile($this->hasNode('count') ? $this->getNode('count') : null)
+                        ->raw('), ')
+                    ;
+                } else {
+                    $compiler
+                        ->string('%'.$var->getAttribute('name').'%')
+                        ->raw(' => ')
+                        ->subcompile($var)
+                        ->raw(', ')
+                    ;
+                }
+            }
+
+            $compiler->raw("));\n");
+        } else {
+            $compiler
+                ->write('echo '.$function.'(')
+                ->subcompile($msg)
+            ;
+
+            if ($this->hasNode('plural')) {
+                $compiler
+                    ->raw(', ')
+                    ->subcompile($msg1)
+                    ->raw(', abs(')
+                    ->subcompile($this->hasNode('count') ? $this->getNode('count') : null)
+                    ->raw(')')
+                ;
+            }
+
+            $compiler->raw(");\n");
+        }
+    }
+
+    /**
+     * @param Twig_Node $body A Twig_Node instance
+     *
+     * @return array
+     */
+    protected function compileString(Twig_Node $body)
+    {
+        if ($body instanceof Twig_Node_Expression_Name || $body instanceof Twig_Node_Expression_Constant || $body instanceof Twig_Node_Expression_TempName) {
+            return array($body, array());
+        }
+
+        $vars = array();
+        if (count($body)) {
+            $msg = '';
+
+            foreach ($body as $node) {
+                if (get_class($node) === 'Twig_Node' && $node->getNode(0) instanceof Twig_Node_SetTemp) {
+                    $node = $node->getNode(1);
+                }
+
+                if ($node instanceof Twig_Node_Print) {
+                    $n = $node->getNode('expr');
+                    while ($n instanceof Twig_Node_Expression_Filter) {
+                        $n = $n->getNode('node');
+                    }
+                    $msg .= sprintf('%%%s%%', $n->getAttribute('name'));
+                    $vars[] = new Twig_Node_Expression_Name($n->getAttribute('name'), $n->getTemplateLine());
+                } else {
+                    $msg .= $node->getAttribute('data');
+                }
+            }
+        } else {
+            $msg = $body->getAttribute('data');
+        }
+
+        return array(new Twig_Node(array(new Twig_Node_Expression_Constant(trim($msg), $body->getTemplateLine()))), $vars);
+    }
+
+    /**
+     * @param bool $plural Return plural or singular function to use
+     *
+     * @return string
+     */
+    protected function getTransFunction($plural)
+    {
+        return $plural ? 'ngettext' : 'gettext';
+    }
+}
+
+class_alias('Twig_Extensions_Node_Trans', 'Twig\Extensions\Node\TransNode', false);

vendor/twig/extensions/lib/Twig/Extensions/SimpleTokenParser.php

@@ -0,0 +1,138 @@
+<?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.
+ */
+
+@trigger_error('The grammar feature is deprecated since version 1.5 and will be removed in 2.0.', E_USER_DEPRECATED);
+
+/**
+ * @deprecated since version 1.5
+ */
+abstract class Twig_Extensions_SimpleTokenParser extends Twig_TokenParser
+{
+    /**
+     * Parses a token and returns a node.
+     *
+     * @param Twig_Token $token A Twig_Token instance
+     *
+     * @return Twig_Node A Twig_Node instance
+     */
+    public function parse(Twig_Token $token)
+    {
+        $grammar = $this->getGrammar();
+        if (!is_object($grammar)) {
+            $grammar = self::parseGrammar($grammar);
+        }
+
+        $grammar->setParser($this->parser);
+        $values = $grammar->parse($token);
+
+        return $this->getNode($values, $token->getLine());
+    }
+
+    /**
+     * Gets the grammar as an object or as a string.
+     *
+     * @return string|Twig_Extensions_Grammar A Twig_Extensions_Grammar instance or a string
+     */
+    abstract protected function getGrammar();
+
+    /**
+     * Gets the nodes based on the parsed values.
+     *
+     * @param array $values An array of values
+     * @param int   $line   The parser line
+     */
+    abstract protected function getNode(array $values, $line);
+
+    protected function getAttribute($node, $attribute, $arguments = array(), $type = Twig_Node_Expression_GetAttr::TYPE_ANY, $line = -1)
+    {
+        return new Twig_Node_Expression_GetAttr(
+            $node instanceof Twig_Node ? $node : new Twig_Node_Expression_Name($node, $line),
+            $attribute instanceof Twig_Node ? $attribute : new Twig_Node_Expression_Constant($attribute, $line),
+            $arguments instanceof Twig_Node ? $arguments : new Twig_Node($arguments),
+            $type,
+            $line
+        );
+    }
+
+    protected function call($node, $attribute, $arguments = array(), $line = -1)
+    {
+        return $this->getAttribute($node, $attribute, $arguments, Twig_Node_Expression_GetAttr::TYPE_METHOD, $line);
+    }
+
+    protected function markAsSafe(Twig_Node $node, $line = -1)
+    {
+        return new Twig_Node_Expression_Filter(
+            $node,
+            new Twig_Node_Expression_Constant('raw', $line),
+            new Twig_Node(),
+            $line
+        );
+    }
+
+    protected function output(Twig_Node $node, $line = -1)
+    {
+        return new Twig_Node_Print($node, $line);
+    }
+
+    protected function getNodeValues(array $values)
+    {
+        $nodes = array();
+        foreach ($values as $value) {
+            if ($value instanceof Twig_Node) {
+                $nodes[] = $value;
+            }
+        }
+
+        return $nodes;
+    }
+
+    public static function parseGrammar($str, $main = true)
+    {
+        static $cursor;
+
+        if (true === $main) {
+            $cursor = 0;
+            $grammar = new Twig_Extensions_Grammar_Tag();
+        } else {
+            $grammar = new Twig_Extensions_Grammar_Optional();
+        }
+
+        while ($cursor < strlen($str)) {
+            if (preg_match('/\s+/A', $str, $match, null, $cursor)) {
+                $cursor += strlen($match[0]);
+            } elseif (preg_match('/<(\w+)(?:\:(\w+))?>/A', $str, $match, null, $cursor)) {
+                $class = sprintf('Twig_Extensions_Grammar_%s', ucfirst(isset($match[2]) ? $match[2] : 'Expression'));
+                if (!class_exists($class)) {
+                    throw new Twig_Error_Runtime(sprintf('Unable to understand "%s" in grammar (%s class does not exist)', $match[0], $class));
+                }
+                $grammar->addGrammar(new $class($match[1]));
+                $cursor += strlen($match[0]);
+            } elseif (preg_match('/\w+/A', $str, $match, null, $cursor)) {
+                $grammar->addGrammar(new Twig_Extensions_Grammar_Constant($match[0]));
+                $cursor += strlen($match[0]);
+            } elseif (preg_match('/,/A', $str, $match, null, $cursor)) {
+                $grammar->addGrammar(new Twig_Extensions_Grammar_Constant($match[0], Twig_Token::PUNCTUATION_TYPE));
+                $cursor += strlen($match[0]);
+            } elseif (preg_match('/\[/A', $str, $match, null, $cursor)) {
+                $cursor += strlen($match[0]);
+                $grammar->addGrammar(self::parseGrammar($str, false));
+            } elseif (true !== $main && preg_match('/\]/A', $str, $match, null, $cursor)) {
+                $cursor += strlen($match[0]);
+
+                return $grammar;
+            } else {
+                throw new Twig_Error_Runtime(sprintf('Unable to parse grammar "%s" near "...%s..."', $str, substr($str, $cursor, 10)));
+            }
+        }
+
+        return $grammar;
+    }
+}

vendor/twig/extensions/lib/Twig/Extensions/TokenParser/Trans.php

@@ -0,0 +1,88 @@
+<?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_Extensions_TokenParser_Trans extends Twig_TokenParser
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function parse(Twig_Token $token)
+    {
+        $lineno = $token->getLine();
+        $stream = $this->parser->getStream();
+        $count = null;
+        $plural = null;
+        $notes = null;
+
+        if (!$stream->test(Twig_Token::BLOCK_END_TYPE)) {
+            $body = $this->parser->getExpressionParser()->parseExpression();
+        } else {
+            $stream->expect(Twig_Token::BLOCK_END_TYPE);
+            $body = $this->parser->subparse(array($this, 'decideForFork'));
+            $next = $stream->next()->getValue();
+
+            if ('plural' === $next) {
+                $count = $this->parser->getExpressionParser()->parseExpression();
+                $stream->expect(Twig_Token::BLOCK_END_TYPE);
+                $plural = $this->parser->subparse(array($this, 'decideForFork'));
+
+                if ('notes' === $stream->next()->getValue()) {
+                    $stream->expect(Twig_Token::BLOCK_END_TYPE);
+                    $notes = $this->parser->subparse(array($this, 'decideForEnd'), true);
+                }
+            } elseif ('notes' === $next) {
+                $stream->expect(Twig_Token::BLOCK_END_TYPE);
+                $notes = $this->parser->subparse(array($this, 'decideForEnd'), true);
+            }
+        }
+
+        $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+        $this->checkTransString($body, $lineno);
+
+        return new Twig_Extensions_Node_Trans($body, $plural, $count, $notes, $lineno, $this->getTag());
+    }
+
+    public function decideForFork(Twig_Token $token)
+    {
+        return $token->test(array('plural', 'notes', 'endtrans'));
+    }
+
+    public function decideForEnd(Twig_Token $token)
+    {
+        return $token->test('endtrans');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getTag()
+    {
+        return 'trans';
+    }
+
+    protected function checkTransString(Twig_Node $body, $lineno)
+    {
+        foreach ($body as $i => $node) {
+            if (
+                $node instanceof Twig_Node_Text
+                ||
+                ($node instanceof Twig_Node_Print && $node->getNode('expr') instanceof Twig_Node_Expression_Name)
+            ) {
+                continue;
+            }
+
+            throw new Twig_Error_Syntax(sprintf('The text to be translated with "trans" can only contain references to simple variables'), $lineno);
+        }
+    }
+}
+
+class_alias('Twig_Extensions_TokenParser_Trans', 'Twig\Extensions\TokenParser\TransTokenParser', false);