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- 06.01.2017
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TranslationDefaultDomainNodeVisitor.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Bridge\Twig\NodeVisitor;
013
014 use Symfony\Bridge\Twig\Node\TransNode;
015 use Symfony\Bridge\Twig\Node\TransDefaultDomainNode;
016
017 /**
018 * TranslationDefaultDomainNodeVisitor.
019 *
020 * @author Fabien Potencier <fabien@symfony.com>
021 */
022 class TranslationDefaultDomainNodeVisitor extends \Twig_BaseNodeVisitor
023 {
024 /**
025 * @var Scope
026 */
027 private $scope;
028
029 /**
030 * Constructor.
031 */
032 public function __construct()
033 {
034 $this->scope = new Scope();
035 }
036
037 /**
038 * {@inheritdoc}
039 */
040 protected function doEnterNode(\Twig_Node $node, \Twig_Environment $env)
041 {
042 if ($node instanceof \Twig_Node_Block || $node instanceof \Twig_Node_Module) {
043 $this->scope = $this->scope->enter();
044 }
045
046 if ($node instanceof TransDefaultDomainNode) {
047 if ($node->getNode('expr') instanceof \Twig_Node_Expression_Constant) {
048 $this->scope->set('domain', $node->getNode('expr'));
049
050 return $node;
051 } else {
052 $var = $env->getParser()->getVarName();
053 $name = new \Twig_Node_Expression_AssignName($var, $node->getLine());
054 $this->scope->set('domain', new \Twig_Node_Expression_Name($var, $node->getLine()));
055
056 return new \Twig_Node_Set(false, new \Twig_Node(array($name)), new \Twig_Node(array($node->getNode('expr'))), $node->getLine());
057 }
058 }
059
060 if (!$this->scope->has('domain')) {
061 return $node;
062 }
063
064 if ($node instanceof \Twig_Node_Expression_Filter && in_array($node->getNode('filter')->getAttribute('value'), array('trans', 'transchoice'))) {
065 $arguments = $node->getNode('arguments');
066 $ind = 'trans' === $node->getNode('filter')->getAttribute('value') ? 1 : 2;
067 if ($this->isNamedArguments($arguments)) {
068 if (!$arguments->hasNode('domain') && !$arguments->hasNode($ind)) {
069 $arguments->setNode('domain', $this->scope->get('domain'));
070 }
071 } else {
072 if (!$arguments->hasNode($ind)) {
073 if (!$arguments->hasNode($ind - 1)) {
074 $arguments->setNode($ind - 1, new \Twig_Node_Expression_Array(array(), $node->getLine()));
075 }
076
077 $arguments->setNode($ind, $this->scope->get('domain'));
078 }
079 }
080 } elseif ($node instanceof TransNode) {
081 if (null === $node->getNode('domain')) {
082 $node->setNode('domain', $this->scope->get('domain'));
083 }
084 }
085
086 return $node;
087 }
088
089 /**
090 * {@inheritdoc}
091 */
092 protected function doLeaveNode(\Twig_Node $node, \Twig_Environment $env)
093 {
094 if ($node instanceof TransDefaultDomainNode) {
095 return false;
096 }
097
098 if ($node instanceof \Twig_Node_Block || $node instanceof \Twig_Node_Module) {
099 $this->scope = $this->scope->leave();
100 }
101
102 return $node;
103 }
104
105 /**
106 * {@inheritdoc}
107 */
108 public function getPriority()
109 {
110 return -10;
111 }
112
113 /**
114 * @return bool
115 */
116 private function isNamedArguments($arguments)
117 {
118 foreach ($arguments as $name => $node) {
119 if (!is_int($name)) {
120 return true;
121 }
122 }
123
124 return false;
125 }
126 }
127