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vendor/prestashop/translationtools-bundle/Twig/Extension/AppExtension.php

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+<?php
+
+namespace PrestaShop\TranslationToolsBundle\Twig\Extension;
+
+use Symfony\Component\Translation\TranslatorInterface;
+use Twig_Environment;
+use Twig_Extension_InitRuntimeInterface;
+
+class AppExtension extends \Twig_Extension implements Twig_Extension_InitRuntimeInterface
+{
+    /**
+     * @var TranslatorInterface
+     */
+    private $translation;
+
+    /**
+     * AppExtension constructor.
+     */
+    public function __construct(TranslatorInterface $translation)
+    {
+        $this->translation = $translation;
+    }
+
+    public function initRuntime(Twig_Environment $environment)
+    {
+        $environment->registerUndefinedFunctionCallback(function () {
+            return;
+        });
+
+        $environment->registerUndefinedFilterCallback(function () {
+            return;
+        });
+    }
+
+    /**
+     * We need to define and reset each twig function as the definition
+     * of theses function is stored in PrestaShop codebase.
+     */
+    public function getFunctions()
+    {
+        return [
+            new \Twig_SimpleFunction('renderhooksarray', [$this, 'transChoice']),
+        ];
+    }
+
+    /**
+     * @param $string
+     *
+     * @return string
+     */
+    public function transChoice($string)
+    {
+        return $this->translation->transChoice($string);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'app';
+    }
+}

vendor/prestashop/translationtools-bundle/Twig/Lexer.php

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+<?php
+
+namespace PrestaShop\TranslationToolsBundle\Twig;
+
+class Lexer extends \Twig_Lexer
+{
+    /**
+     * @var array
+     */
+    protected $comments = [];
+
+    /**
+     * @var bool
+     */
+    protected $call = false;
+
+    protected function lexComment()
+    {
+        parent::lexComment();
+
+        if (true === $this->call) {
+            return;
+        }
+
+        preg_match_all('|\{#\s(.+)\s#\}|i', $this->code, $commentMatch);
+
+        if (is_array($commentMatch[1])) {
+            foreach ($commentMatch[1] as $comment) {
+                $this->comments[] = [
+                    'line' => $this->lineno,
+                    'comment' => $comment,
+                    'file' => $this->filename,
+                ];
+            }
+        }
+
+        $this->call = true;
+    }
+
+    public function getComments()
+    {
+        return $this->comments;
+    }
+}

vendor/prestashop/translationtools-bundle/Twig/NodeVisitor/TranslationNodeVisitor.php

@@ -0,0 +1,104 @@
+<?php
+
+namespace PrestaShop\TranslationToolsBundle\Twig\NodeVisitor;
+
+use Symfony\Bridge\Twig\Node\TransNode;
+use Symfony\Bridge\Twig\NodeVisitor\TranslationNodeVisitor as BaseTranslationNodeVisitor;
+
+class TranslationNodeVisitor extends BaseTranslationNodeVisitor
+{
+    const UNDEFINED_DOMAIN = '_undefined';
+
+    private $enabled = true;
+    private $messages = [];
+
+    public function enable()
+    {
+        $this->enabled = true;
+        $this->messages = [];
+    }
+
+    public function getMessages()
+    {
+        return $this->messages;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doEnterNode(\Twig_Node $node, \Twig_Environment $env)
+    {
+        if (!$this->enabled) {
+            return $node;
+        }
+
+        if (
+            $node instanceof \Twig_Node_Expression_Filter &&
+            'trans' === $node->getNode('filter')->getAttribute('value') &&
+            $node->getNode('node') instanceof \Twig_Node_Expression_Constant
+        ) {
+            // extract constant nodes with a trans filter
+            $this->messages[] = [
+                $node->getNode('node')->getAttribute('value'),
+                $this->getReadDomainFromArguments($node->getNode('arguments'), 1),
+                'line' => $node->getTemplateLine(),
+            ];
+        } elseif (
+            $node instanceof \Twig_Node_Expression_Filter &&
+            'transchoice' === $node->getNode('filter')->getAttribute('value') &&
+            $node->getNode('node') instanceof \Twig_Node_Expression_Constant
+        ) {
+            // extract constant nodes with a trans filter
+            $this->messages[] = [
+                $node->getNode('node')->getAttribute('value'),
+                $this->getReadDomainFromArguments($node->getNode('arguments'), 2),
+                'line' => $node->getTemplateLine(),
+            ];
+        } elseif ($node instanceof TransNode) {
+            // extract trans nodes
+            $this->messages[] = [
+                $node->getNode('body')->getAttribute('data'),
+                $this->getReadDomainFromNode($node->getNode('domain')),
+                'line' => $node->getTemplateLine(),
+            ];
+        }
+
+        return $node;
+    }
+
+    /**
+     * @param int $index
+     *
+     * @return string|null
+     */
+    private function getReadDomainFromArguments(\Twig_Node $arguments, $index)
+    {
+        if ($arguments->hasNode('domain')) {
+            $argument = $arguments->getNode('domain');
+        } elseif ($arguments->hasNode($index)) {
+            $argument = $arguments->getNode($index);
+        } else {
+            return;
+        }
+
+        return $this->getReadDomainFromNode($argument);
+    }
+
+    /**
+     * @param \Twig_Node $node
+     *
+     * @return string|null
+     */
+    private function getReadDomainFromNode(\Twig_Node $node = null)
+    {
+        if (null === $node) {
+            return;
+        }
+
+        if ($node instanceof \Twig_Node_Expression_Constant) {
+            return $node->getAttribute('value');
+        }
+
+        return self::UNDEFINED_DOMAIN;
+    }
+}