protected function _parseMo($stream)
{
$stat = fstat($stream);
if ($stat['size'] < self::MO_HEADER_SIZE) {
throw new RangeException("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 RangeException("MO stream content has an invalid format.");
}
$header = array('formatRevision' => null, 'count' => null, 'offsetId' => null, 'offsetTranslated' => null, 'sizeHashes' => null, 'offsetHashes' => null);
foreach ($header as &$value) {
$value = $this->_readLong($stream, $isBigEndian);
}
extract($header);
$data = array();
for ($i = 0; $i < $count; $i++) {
$singularId = $pluralId = null;
$translated = null;
$context = null;
fseek($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, "") !== false) {
list($singularId, $pluralId) = explode("", $singularId);
}
if (strpos($singularId, "") !== false) {
list($context, $singularId) = explode("", $singularId);
}
fseek($stream, $offsetTranslated + $i * 8);
$length = $this->_readLong($stream, $isBigEndian);
$offset = $this->_readLong($stream, $isBigEndian);
fseek($stream, $offset);
$translated = fread($stream, $length);
if (strpos($translated, "") !== false) {
$translated = explode("", $translated);
}
$ids = array('singular' => $singularId, 'plural' => $pluralId);
$data = $this->_merge($data, compact('ids', 'translated', 'context'));
}
return $data;
}