[AsseticBundle] added a node visitor to wrap runtime filter functions with runtime use_controller check
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@ -39,6 +39,11 @@ class AsseticExtension extends BaseAsseticExtension
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}
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public function getNodeVisitors()
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{
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return array(new AsseticNodeVisitor());
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}
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public function getGlobals()
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public function getGlobals()
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{
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{
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$globals = parent::getGlobals();
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$globals = parent::getGlobals();
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97
src/Symfony/Bundle/AsseticBundle/Twig/AsseticNodeVisitor.php
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97
src/Symfony/Bundle/AsseticBundle/Twig/AsseticNodeVisitor.php
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@ -0,0 +1,97 @@
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<?php
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/*
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* This file is part of the Symfony framework.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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namespace Symfony\Bundle\AsseticBundle\Twig;
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use Assetic\Extension\Twig\AsseticFilterFunction;
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/**
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* Assetic node visitor.
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*
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* @author Kris Wallsmith <kris@symfony.com>
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*/
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class AsseticNodeVisitor implements \Twig_NodeVisitorInterface
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{
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public function enterNode(\Twig_NodeInterface $node, \Twig_Environment $env)
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{
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return $node;
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}
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public function leaveNode(\Twig_NodeInterface $node, \Twig_Environment $env)
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{
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if (!$formula = $this->checkNode($node, $env)) {
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return $node;
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}
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list($input, $filters, $options) = $formula;
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$line = $node->getLine();
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// check context and call either asset() or path()
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return new \Twig_Node_Expression_Conditional(
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new \Twig_Node_Expression_GetAttr(
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new \Twig_Node_Expression_Name('assetic', $line),
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new \Twig_Node_Expression_Constant('use_controller', $line),
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new \Twig_Node(),
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\Twig_TemplateInterface::ARRAY_CALL,
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$line
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),
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new \Twig_Node_Expression_Function(
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new \Twig_Node_Expression_Name('path', $line),
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new \Twig_Node(array(
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new \Twig_Node_Expression_Constant('_assetic_'.$options['name'], $line),
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)),
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$line
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),
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new \Twig_Node_Expression_Function(
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new \Twig_Node_Expression_Name('asset', $line),
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new \Twig_Node(array($node, new \Twig_Node_Expression_Constant(isset($options['package']) ? $options['package'] : null, $line))),
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$line
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),
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$line
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);
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}
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/**
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* Extracts formulae from filter function nodes.
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*
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* @return array|null The formula
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*/
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private function checkNode(\Twig_NodeInterface $node, \Twig_Environment $env)
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{
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if ($node instanceof \Twig_Node_Expression_Function) {
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$name = $node->getNode('name')->getAttribute('name');
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if ($env->getFunction($name) instanceof AsseticFilterFunction) {
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$arguments = array();
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foreach ($node->getNode('arguments') as $argument) {
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$arguments[] = eval('return '.$env->compile($argument).';');
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}
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$invoker = $env->getExtension('assetic')->getFilterInvoker($name);
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$factory = $invoker->getFactory();
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$inputs = isset($arguments[0]) ? (array) $arguments[0] : array();
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$filters = $invoker->getFilters();
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$options = array_replace($invoker->getOptions(), isset($arguments[1]) ? $arguments[1] : array());
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if (!isset($options['name'])) {
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$options['name'] = $factory->generateAssetName($inputs, $filters);
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}
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return array($inputs, $filters, $options);
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}
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}
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}
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public function getPriority()
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{
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return 0;
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}
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}
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