139 lines
4.2 KiB
PHP
Executable File
139 lines
4.2 KiB
PHP
Executable File
<?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\Component\Translation\Loader;
|
|
|
|
use Symfony\Component\Translation\Exception\InvalidResourceException;
|
|
|
|
/**
|
|
* @copyright Copyright (c) 2010, Union of RAD http://union-of-rad.org (http://lithify.me/)
|
|
*/
|
|
class MoFileLoader extends FileLoader
|
|
{
|
|
/**
|
|
* Magic used for validating the format of an MO file as well as
|
|
* detecting if the machine used to create that file was little endian.
|
|
*/
|
|
public const MO_LITTLE_ENDIAN_MAGIC = 0x950412DE;
|
|
|
|
/**
|
|
* Magic used for validating the format of an MO file as well as
|
|
* detecting if the machine used to create that file was big endian.
|
|
*/
|
|
public const MO_BIG_ENDIAN_MAGIC = 0xDE120495;
|
|
|
|
/**
|
|
* The size of the header of an MO file in bytes.
|
|
*/
|
|
public const MO_HEADER_SIZE = 28;
|
|
|
|
/**
|
|
* Parses machine object (MO) format, independent of the machine's endian it
|
|
* was created on. Both 32bit and 64bit systems are supported.
|
|
*/
|
|
protected function loadResource(string $resource): array
|
|
{
|
|
$stream = fopen($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 (self::MO_LITTLE_ENDIAN_MAGIC == $magic) {
|
|
$isBigEndian = false;
|
|
} elseif (self::MO_BIG_ENDIAN_MAGIC == $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);
|
|
|
|
$messages = [];
|
|
|
|
for ($i = 0; $i < $count; ++$i) {
|
|
$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, $length);
|
|
|
|
if (str_contains($singularId, "\000")) {
|
|
[$singularId, $pluralId] = explode("\000", $singularId);
|
|
}
|
|
|
|
fseek($stream, $offsetTranslated + $i * 8);
|
|
$length = $this->readLong($stream, $isBigEndian);
|
|
$offset = $this->readLong($stream, $isBigEndian);
|
|
|
|
if ($length < 1) {
|
|
continue;
|
|
}
|
|
|
|
fseek($stream, $offset);
|
|
$translated = fread($stream, $length);
|
|
|
|
if (str_contains($translated, "\000")) {
|
|
$translated = explode("\000", $translated);
|
|
}
|
|
|
|
$ids = ['singular' => $singularId, 'plural' => $pluralId];
|
|
$item = compact('ids', 'translated');
|
|
|
|
if (!empty($item['ids']['singular'])) {
|
|
$id = $item['ids']['singular'];
|
|
if (isset($item['ids']['plural'])) {
|
|
$id .= '|'.$item['ids']['plural'];
|
|
}
|
|
$messages[$id] = stripcslashes(implode('|', (array) $item['translated']));
|
|
}
|
|
}
|
|
|
|
fclose($stream);
|
|
|
|
return array_filter($messages);
|
|
}
|
|
|
|
/**
|
|
* Reads an unsigned long from stream respecting endianness.
|
|
*
|
|
* @param resource $stream
|
|
*/
|
|
private function readLong($stream, bool $isBigEndian): int
|
|
{
|
|
$result = unpack($isBigEndian ? 'N1' : 'V1', fread($stream, 4));
|
|
$result = current($result);
|
|
|
|
return (int) substr($result, -8);
|
|
}
|
|
}
|