From 4f5b44bd3bd490309eb2ba7b44df4769816ba729 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nicolas=20L=C5=93uillet?= Date: Sat, 3 Aug 2013 19:26:54 +0200 Subject: twig implementation --- .../Component/Translation/Loader/MoFileLoader.php | 179 +++++++++++++++++++++ 1 file changed, 179 insertions(+) create mode 100644 vendor/symfony/translation/Symfony/Component/Translation/Loader/MoFileLoader.php (limited to 'vendor/symfony/translation/Symfony/Component/Translation/Loader/MoFileLoader.php') diff --git a/vendor/symfony/translation/Symfony/Component/Translation/Loader/MoFileLoader.php b/vendor/symfony/translation/Symfony/Component/Translation/Loader/MoFileLoader.php new file mode 100644 index 00000000..9d1cacb3 --- /dev/null +++ b/vendor/symfony/translation/Symfony/Component/Translation/Loader/MoFileLoader.php @@ -0,0 +1,179 @@ + + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\Translation\Loader; + +use Symfony\Component\Translation\Exception\InvalidResourceException; +use Symfony\Component\Translation\Exception\NotFoundResourceException; +use Symfony\Component\Config\Resource\FileResource; + +/** + * @copyright Copyright (c) 2010, Union of RAD http://union-of-rad.org (http://lithify.me/) + */ +class MoFileLoader extends ArrayLoader implements LoaderInterface +{ + /** + * Magic used for validating the format of a MO file as well as + * detecting if the machine used to create that file was little endian. + * + * @var float + */ + const MO_LITTLE_ENDIAN_MAGIC = 0x950412de; + + /** + * Magic used for validating the format of a MO file as well as + * detecting if the machine used to create that file was big endian. + * + * @var float + */ + const MO_BIG_ENDIAN_MAGIC = 0xde120495; + + /** + * The size of the header of a MO file in bytes. + * + * @var integer Number of bytes. + */ + const MO_HEADER_SIZE = 28; + + public function load($resource, $locale, $domain = 'messages') + { + if (!stream_is_local($resource)) { + throw new InvalidResourceException(sprintf('This is not a local file "%s".', $resource)); + } + + if (!file_exists($resource)) { + throw new NotFoundResourceException(sprintf('File "%s" not found.', $resource)); + } + + $messages = $this->parse($resource); + + // empty file + if (null === $messages) { + $messages = array(); + } + + // not an array + if (!is_array($messages)) { + throw new InvalidResourceException(sprintf('The file "%s" must contain a valid mo file.', $resource)); + } + + $catalogue = parent::load($messages, $locale, $domain); + $catalogue->addResource(new FileResource($resource)); + + return $catalogue; + } + + /** + * Parses machine object (MO) format, independent of the machine's endian it + * was created on. Both 32bit and 64bit systems are supported. + * + * @param resource $resource + * + * @return array + * @throws InvalidResourceException If stream content has an invalid format. + */ + private function parse($resource) + { + $stream = fopen($resource, 'r'); + + $stat = fstat($stream); + + if ($stat['size'] < self::MO_HEADER_SIZE) { + throw new InvalidResourceException("MO stream content has an invalid format."); + } + $magic = unpack('V1', fread($stream, 4)); + $magic = hexdec(substr(dechex(current($magic)), -8)); + + if ($magic == self::MO_LITTLE_ENDIAN_MAGIC) { + $isBigEndian = false; + } elseif ($magic == self::MO_BIG_ENDIAN_MAGIC) { + $isBigEndian = true; + } else { + throw new InvalidResourceException("MO stream content has an invalid format."); + } + + $formatRevision = $this->readLong($stream, $isBigEndian); + $count = $this->readLong($stream, $isBigEndian); + $offsetId = $this->readLong($stream, $isBigEndian); + $offsetTranslated = $this->readLong($stream, $isBigEndian); + $sizeHashes = $this->readLong($stream, $isBigEndian); + $offsetHashes = $this->readLong($stream, $isBigEndian); + + $messages = array(); + + for ($i = 0; $i < $count; $i++) { + $singularId = $pluralId = null; + $translated = null; + + fseek($stream, $offsetId + $i * 8); + + $length = $this->readLong($stream, $isBigEndian); + $offset = $this->readLong($stream, $isBigEndian); + + if ($length < 1) { + continue; + } + + fseek($stream, $offset); + $singularId = fread($stream, $length); + + if (strpos($singularId, "\000") !== false) { + list($singularId, $pluralId) = explode("\000", $singularId); + } + + fseek($stream, $offsetTranslated + $i * 8); + $length = $this->readLong($stream, $isBigEndian); + $offset = $this->readLong($stream, $isBigEndian); + + fseek($stream, $offset); + $translated = fread($stream, $length); + + if (strpos($translated, "\000") !== false) { + $translated = explode("\000", $translated); + } + + $ids = array('singular' => $singularId, 'plural' => $pluralId); + $item = compact('ids', 'translated'); + + if (is_array($item['translated'])) { + $messages[$item['ids']['singular']] = stripcslashes($item['translated'][0]); + if (isset($item['ids']['plural'])) { + $plurals = array(); + foreach ($item['translated'] as $plural => $translated) { + $plurals[] = sprintf('{%d} %s', $plural, $translated); + } + $messages[$item['ids']['plural']] = stripcslashes(implode('|', $plurals)); + } + } elseif (!empty($item['ids']['singular'])) { + $messages[$item['ids']['singular']] = stripcslashes($item['translated']); + } + } + + fclose($stream); + + return array_filter($messages); + } + + /** + * Reads an unsigned long from stream respecting endianess. + * + * @param resource $stream + * @param boolean $isBigEndian + * @return integer + */ + private function readLong($stream, $isBigEndian) + { + $result = unpack($isBigEndian ? 'N1' : 'V1', fread($stream, 4)); + $result = current($result); + + return (integer) substr($result, -8); + } +} -- cgit v1.2.3