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[Translation] add gettext PO and MO Dumper
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‎src/Symfony/Bundle/FrameworkBundle/Resources/config/translation.xml

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<parameter key="translation.loader.ini.class">Symfony\Component\Translation\Loader\IniFileLoader</parameter>
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<parameter key="translation.dumper.php.class">Symfony\Component\Translation\Dumper\PhpFileDumper</parameter>
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<parameter key="translation.dumper.xliff.class">Symfony\Component\Translation\Dumper\XliffFileDumper</parameter>
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<parameter key="translation.dumper.po.class">Symfony\Component\Translation\Dumper\PoFileDumper</parameter>
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<parameter key="translation.dumper.mo.class">Symfony\Component\Translation\Dumper\MoFileDumper</parameter>
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<parameter key="translation.dumper.yml.class">Symfony\Component\Translation\Dumper\YamlFileDumper</parameter>
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<parameter key="translation.dumper.qt.class">Symfony\Component\Translation\Dumper\QtFileDumper</parameter>
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<parameter key="translation.dumper.csv.class">Symfony\Component\Translation\Dumper\CsvFileDumper</parameter>
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<tag name="translation.dumper" alias="xliff" />
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</service>
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<service id="translation.dumper.po" class="%translation.dumper.po.class%">
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<tag name="translation.dumper" alias="po" />
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</service>
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<service id="translation.dumper.mo" class="%translation.dumper.mo.class%">
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<tag name="translation.dumper" alias="mo" />
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</service>
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<service id="translation.dumper.yml" class="%translation.dumper.yml.class%">
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<tag name="translation.dumper" alias="yml" />
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</service>

‎src/Symfony/Component/Translation/Dumper/MoFileDumper.php

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<?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\Component\Translation\Dumper;
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use Symfony\Component\Translation\MessageCatalogue;
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use Symfony\Component\Translation\Loader\MoFileLoader;
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/**
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* MoFileDumper generates a gettext formated string representation of a message catalogue.
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*
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* @author Stealth35
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*/
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class MoFileDumper extends FileDumper
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{
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/**
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* {@inheritDoc}
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*/
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public function format(MessageCatalogue $messages, $domain = 'messages')
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{
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$output = $sources = $targets = $source_offsets = $target_offsets = '';
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$offsets = array();
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$size = 0;
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foreach ($messages->all($domain) as $source => $target) {
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$offsets[] = array_map('strlen', array($sources, $source, $targets, $target));
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$sources .= "\0".$source;
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$targets .= "\0".$target;
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++$size;
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}
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$header = array(
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'magicNumber' => MoFileLoader::MO_LITTLE_ENDIAN_MAGIC,
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'formatRevision' => 0,
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'count' => $size,
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'offsetId' => MoFileLoader::MO_HEADER_SIZE,
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'offsetTranslated' => MoFileLoader::MO_HEADER_SIZE + (8 * $size),
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'sizeHashes' => 0,
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'offsetHashes' => MoFileLoader::MO_HEADER_SIZE + (16 * $size),
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);
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$sources_size = strlen($sources);
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$sources_start = $header['offsetHashes'] + 1;
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foreach ($offsets as $offset) {
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$source_offsets .= $this->writeLong($offset[1])
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. $this->writeLong($offset[0] + $sources_start);
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$target_offsets .= $this->writeLong($offset[3])
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. $this->writeLong($offset[2] + $sources_start + $sources_size);
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}
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$output = implode(array_map(array($this, 'writeLong'), $header))
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. $source_offsets
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. $target_offsets
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. $sources
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. $targets
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;
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return $output;
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}
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/**
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* {@inheritDoc}
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*/
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protected function getExtension()
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{
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return 'mo';
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}
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private function writeLong($str)
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{
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return pack('V*', $str);
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}
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}

‎src/Symfony/Component/Translation/Dumper/PoFileDumper.php

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<?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\Component\Translation\Dumper;
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use Symfony\Component\Translation\MessageCatalogue;
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/**
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* PoFileDumper generates a gettext formated string representation of a message catalogue.
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*
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* @author Stealth35
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*/
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class PoFileDumper extends FileDumper
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{
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/**
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* {@inheritDoc}
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*/
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public function format(MessageCatalogue $messages, $domain = 'messages')
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{
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$output = '';
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foreach ($messages->all($domain) as $source => $target) {
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$output .= sprintf("msgid \"%s\"\n", $this->escape($source));
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$output .= sprintf("msgstr \"%s\"\n\n", $this->escape($target));
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}
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return $output;
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}
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/**
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* {@inheritDoc}
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*/
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protected function getExtension()
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{
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return 'po';
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}
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private function escape($str)
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{
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return addcslashes($str, "\0..\37\42\134");
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}
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}

‎tests/Symfony/Tests/Component/Translation/Dumper/MoFileDumperTest.php

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<?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\Tests\Component\Translation\Dumper;
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use Symfony\Component\Translation\MessageCatalogue;
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use Symfony\Component\Translation\Dumper\MoFileDumper;
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class MoFileDumperTest extends \PHPUnit_Framework_TestCase
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{
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public function testDump()
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{
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$catalogue = new MessageCatalogue('en');
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$catalogue->add(array('foo' => 'bar'));
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$tempDir = sys_get_temp_dir();
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$dumper = new MoFileDumper();
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$dumperString = $dumper->dump($catalogue, array('path' => $tempDir));
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$this->assertEquals(file_get_contents(__DIR__.'/../fixtures/resources.mo'), file_get_contents($tempDir.'/messages.en.mo'));
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unlink($tempDir.'/messages.en.mo');
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}
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}

‎tests/Symfony/Tests/Component/Translation/Dumper/PoFileDumperTest.php

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<?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\Tests\Component\Translation\Dumper;
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use Symfony\Component\Translation\MessageCatalogue;
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use Symfony\Component\Translation\Dumper\PoFileDumper;
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class PoFileDumperTest extends \PHPUnit_Framework_TestCase
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{
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public function testDump()
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{
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$catalogue = new MessageCatalogue('en');
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$catalogue->add(array('foo' => 'bar'));
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$tempDir = sys_get_temp_dir();
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$dumper = new PoFileDumper();
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$dumperString = $dumper->dump($catalogue, array('path' => $tempDir));
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$this->assertEquals(file_get_contents(__DIR__.'/../fixtures/resources.po'), file_get_contents($tempDir.'/messages.en.po'));
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unlink($tempDir.'/messages.en.po');
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}
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}

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