晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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DIR:/opt/cloudlinux/alt-php53/root/usr/share/pear/Symfony/Bridge/Twig/Translation/
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Current File : //opt/cloudlinux/alt-php53/root/usr/share/pear/Symfony/Bridge/Twig/Translation/TwigExtractor.php
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Bridge\Twig\Translation;

use Symfony\Component\Finder\Finder;
use Symfony\Component\Translation\Extractor\ExtractorInterface;
use Symfony\Component\Translation\MessageCatalogue;

/**
 * TwigExtractor extracts translation messages from a twig template.
 *
 * @author Michel Salib <michelsalib@hotmail.com>
 * @author Fabien Potencier <fabien@symfony.com>
 */
class TwigExtractor implements ExtractorInterface
{
    /**
     * Default domain for found messages.
     *
     * @var string
     */
    private $defaultDomain = 'messages';

    /**
     * Prefix for found message.
     *
     * @var string
     */
    private $prefix = '';

    /**
     * The twig environment.
     *
     * @var \Twig_Environment
     */
    private $twig;

    public function __construct(\Twig_Environment $twig)
    {
        $this->twig = $twig;
    }

    /**
     * {@inheritDoc}
     */
    public function extract($directory, MessageCatalogue $catalogue)
    {
        // load any existing translation files
        $finder = new Finder();
        $files = $finder->files()->name('*.twig')->sortByName()->in($directory);
        foreach ($files as $file) {
            $this->extractTemplate(file_get_contents($file->getPathname()), $catalogue);
        }
    }

    /**
     * {@inheritDoc}
     */
    public function setPrefix($prefix)
    {
        $this->prefix = $prefix;
    }

    protected function extractTemplate($template, MessageCatalogue $catalogue)
    {
        $visitor = $this->twig->getExtension('translator')->getTranslationNodeVisitor();
        $visitor->enable();

        $this->twig->parse($this->twig->tokenize($template));

        foreach ($visitor->getMessages() as $message) {
            $catalogue->set(trim($message[0]), $this->prefix.trim($message[0]), $message[1] ? $message[1] : $this->defaultDomain);
        }

        $visitor->disable();
    }
}