public function testReadMo()
{
$l = Locale::readMo('tests/_data/I18n/da.mo');
$this->assertEquals('juni', $l->get('June'));
$this->assertEquals('d/m/Y', $l->shortDate);
$this->assertTrue(isset($l->shortTime));
$this->assertEquals('Der er 0 brugere', $l->nget('There are %1 users', 'There is %1 user', 0));
$this->assertEquals('Der er 1 bruger', $l->nget('There are %1 users', 'There is %1 user', 1));
$this->assertEquals('Der er 2 brugere', $l->nget('There are %1 users', 'There is %1 user', 2));
// big endian file:
$l = Locale::readMo('tests/_data/I18n/da.be.mo');
$this->assertEquals('juni', $l->get('June'));
$this->assertEquals('d/m/Y', $l->shortDate);
$this->assertTrue(isset($l->shortTime));
$this->assertEquals('Der er 0 brugere', $l->nget('There are %1 users', 'There is %1 user', 0));
$this->assertEquals('Der er 1 bruger', $l->nget('There are %1 users', 'There is %1 user', 1));
$this->assertEquals('Der er 2 brugere', $l->nget('There are %1 users', 'There is %1 user', 2));
// not a MO file:
$this->assertThrows('Jivoo\\I18n\\LocaleException', function () {
$l = Locale::readMo('tests/_data/I18n/da.po');
});
// not a MO file:
// TODO: why does this not work?
// $this->assertThrows('Jivoo\I18n\LocaleException', function() {
// $l = Locale::readMo('tests/_data/I18n/notafile');
// });
}
/**
* Load a localization for the current language from a directory.
*
* @param string $dir
* Directory path.
* @param bool $extend
* Whether to extend the existing localization object
* (true) or replace it (false).
* @return bool True if language file found, false otherwise.
*/
public static function loadFrom($dir, $extend = true)
{
$file = $dir . '/' . self::$language . '.';
if (isset(self::$cache)) {
$cached = self::$cache->getItem($file);
if ($cached->isHit()) {
$value = $cached->get();
if (is_array($value)) {
$localization = new Locale($value);
self::load($localization, $extend);
return true;
} else {
self::$cache->deleteItems(array($file));
}
}
}
if (file_exists($file . 'pot')) {
return true;
} elseif (file_exists($file . 'mo')) {
$localization = Locale::readMo($file . 'mo');
} elseif (file_exists($file . 'po')) {
$localization = Locale::readPo($file . 'po');
} else {
return false;
}
if (isset(self::$cache)) {
// self::$cache->set($file, $localization->getMessages(), 3600);
$item = self::$cache->getItem($file);
$item->set($localization->getMessages());
$item->expiresAfter(3600);
self::$cache->save($item);
}
self::load($localization, $extend);
return true;
}
/**
* Read a gettext MO-file.
*
* @param string $file
* MO-file.
* @return Locale Localization object.
*/
public static function readMo($file)
{
$f = file_get_contents($file);
if (!is_string($f)) {
throw new LocaleException('Could not open file: ' . $file);
}
$magic = bin2hex(substr($f, 0, 4));
if ($magic === '950412de') {
// Big endian
$header = 'Nrev/NN/NO/NT/NS/NH';
$format = 'N';
} elseif ($magic === 'de120495') {
// Little endian
$header = 'Vrev/VN/VO/VT/VS/VH';
$format = 'V';
} else {
throw new LocaleException('Not a valid MO file: incorrect magic number: ' . $magic);
}
$o = 4;
$data = unpack($header, substr($f, $o, 24));
$num = $data['N'];
$oOffset = $data['O'];
$tOffset = $data['T'];
if ($num == 0) {
return new Locale();
}
$format = $format . $num * 2;
$o = $oOffset;
$oTable = unpack($format, substr($f, $o, 8 * $num));
$o = $tOffset;
$tTable = unpack($format, substr($f, $o, 8 * $num));
$offsets = array();
$n = $num * 2;
$o = $oTable[2];
$messages = array();
for ($i = 1; $i <= $n; $i += 2) {
$length = $oTable[$i];
if ($length == 0) {
$message = '';
$o += 1;
} else {
$message = substr($f, $o, $length);
$o += $length + 1;
$hasNul = strpos($message, "");
if ($hasNul !== false) {
$message = substr($message, $hasNul + 1);
// gets plural
}
}
$messages[$i] = $message;
}
$o = $tTable[2];
$l = new Locale();
for ($i = 1; $i <= $n; $i += 2) {
$length = $tTable[$i];
if ($length > 0) {
$translation = substr($f, $o, $length);
$o += $length + 1;
if ($messages[$i] == '') {
$properties = explode("\n", $translation);
foreach ($properties as $property) {
list($property, $value) = explode(':', $property, 2);
if (trim(strtolower($property)) == 'plural-forms') {
$l->pluralForms = $value;
break;
} elseif (trim(strtolower($property)) == 'language') {
$value = LanguageTag::parseTag($value);
$l->name = $value[0];
$l->region = $value[1];
}
}
}
if (strpos($translation, "") !== false) {
$translation = explode("", $translation);
}
$l->set($messages[$i], $translation);
} else {
$o += 1;
}
}
return $l;
}