protected function MoFileLoader::loadResource in Plug 7

Parses machine object (MO) format, independent of the machine's endian it was created on. Both 32bit and 64bit systems are supported.

Overrides FileLoader::loadResource

File

lib/Symfony/translation/Loader/MoFileLoader.php, line 50

Class

MoFileLoader

@copyright Copyright (c) 2010, Union of RAD http://union-of-rad.org (http://lithify.me/)

Namespace

Symfony\Component\Translation\Loader

Code

protected function loadResource($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, "\0") !== false) {
      list($singularId, $pluralId) = explode("\0", $singularId);
    }
    fseek($stream, $offsetTranslated + $i * 8);
    $length = $this
      ->readLong($stream, $isBigEndian);
    $offset = $this
      ->readLong($stream, $isBigEndian);
    if ($length < 1) {
      continue;
    }
    fseek($stream, $offset);
    $translated = fread($stream, $length);
    if (strpos($translated, "\0") !== false) {
      $translated = explode("\0", $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);
}