86 lines
2.1 KiB
PHP
86 lines
2.1 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bridge\Twig\Translation;
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use Symfony\Component\Finder\Finder;
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use Symfony\Component\Translation\Extractor\ExtractorInterface;
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use Symfony\Component\Translation\MessageCatalogue;
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/**
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* TwigExtractor extracts translation messages from a twig template.
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*
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* @author Michel Salib <michelsalib@hotmail.com>
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class TwigExtractor implements ExtractorInterface
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{
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/**
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* Default domain for found messages.
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*
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* @var string
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*/
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private $defaultDomain = 'messages';
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/**
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* Prefix for found message.
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*
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* @var string
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*/
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private $prefix = '';
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/**
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* The twig environment.
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* @var \Twig_Environment
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*/
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private $twig;
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public function __construct(\Twig_Environment $twig)
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{
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$this->twig = $twig;
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}
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/**
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* {@inheritDoc}
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*/
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public function extract($directory, MessageCatalogue $catalogue)
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{
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// load any existing translation files
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$finder = new Finder();
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$files = $finder->files()->name('*.twig')->in($directory);
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foreach ($files as $file) {
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$this->extractTemplate(file_get_contents($file->getPathname()), $catalogue);
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}
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}
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/**
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* {@inheritDoc}
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*/
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public function setPrefix($prefix)
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{
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$this->prefix = $prefix;
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}
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protected function extractTemplate($template, MessageCatalogue $catalogue)
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{
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$visitor = $this->twig->getExtension('translator')->getTranslationNodeVisitor();
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$visitor->enable();
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$this->twig->parse($this->twig->tokenize($template));
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foreach ($visitor->getMessages() as $message) {
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$catalogue->set($message[0], $this->prefix.$message[0], $message[1] ? $message[1] : $this->defaultDomain);
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}
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$visitor->disable();
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}
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}
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