/**
* Load MO file
*
* @access public
* @return mixed Returns true on success or PEAR_Error on failure.
* @param string $file
*/
function load($file = null)
{
if (!isset($file)) {
$file = $this->file;
}
// open MO file
if (!is_resource($this->_handle = @fopen($file, 'rb'))) {
return false;
}
// lock MO file shared
if (!@flock($this->_handle, LOCK_SH)) {
@fclose($this->_handle);
return false;
}
// read (part of) magic number from MO file header and define endianess
//unpack returns a reference????
$unpacked = unpack('c', $this->_read(4));
switch ($magic = array_shift($unpacked)) {
case -34:
$be = false;
break;
case -107:
$be = true;
break;
default:
return false;
}
// check file format revision - we currently only support 0
if (0 !== ($_rev = $this->_readInt($be))) {
return false;
}
// count of strings in this file
$count = $this->_readInt($be);
// offset of hashing table of the msgids
$offset_original = $this->_readInt($be);
// offset of hashing table of the msgstrs
$offset_translat = $this->_readInt($be);
// move to msgid hash table
fseek($this->_handle, $offset_original);
// read lengths and offsets of msgids
$original = array();
for ($i = 0; $i < $count; $i++) {
$original[$i] = array('length' => $this->_readInt($be), 'offset' => $this->_readInt($be));
}
// move to msgstr hash table
fseek($this->_handle, $offset_translat);
// read lengths and offsets of msgstrs
$translat = array();
for ($i = 0; $i < $count; $i++) {
$translat[$i] = array('length' => $this->_readInt($be), 'offset' => $this->_readInt($be));
}
// read all
for ($i = 0; $i < $count; $i++) {
$this->strings[$this->_readStr($original[$i])] = $this->_readStr($translat[$i]);
}
// done
@flock($this->_handle, LOCK_UN);
@fclose($this->_handle);
$this->_handle = null;
// check for meta info
if (isset($this->strings[''])) {
$this->meta = parent::meta2array($this->strings['']);
unset($this->strings['']);
}
return true;
}
/**
* Save PO file
*
* @access public
* @return mixed Returns true on success or PEAR_Error on failure.
* @param string $file
*/
function save($file = null)
{
if (!isset($file)) {
$file = $this->file;
}
// open PO file
if (!is_resource($fh = @fopen($file, 'w'))) {
return false;
}
// lock PO file exclusively
if (!flock($fh, LOCK_EX)) {
fclose($fh);
return false;
}
// write meta info
if (count($this->meta)) {
$meta = 'msgid ""' . "\nmsgstr " . '""' . "\n";
foreach ($this->meta as $k => $v) {
$meta .= '"' . $k . ': ' . $v . '\\n"' . "\n";
}
fwrite($fh, $meta . "\n");
}
// write strings
foreach ($this->strings as $o => $t) {
fwrite($fh, 'msgid "' . parent::prepare($o, true) . '"' . "\n" . 'msgstr "' . parent::prepare($t, true) . '"' . "\n\n");
}
//done
@flock($fh, LOCK_UN);
@fclose($fh);
return true;
}
protected function createMessageTemplate($catalogue)
{
if (null === $catalogue) {
$catalogue = 'messages';
}
$variants = $this->getCatalogueList($catalogue);
$variant = array_shift($variants);
$mo_file = $this->getSource($variant);
$po_file = $this->getPOFile($mo_file);
$dir = dirname($mo_file);
if (!is_dir($dir)) {
@mkdir($dir);
@chmod($dir, 0777);
}
if (!is_dir($dir)) {
throw new sfException(sprintf("Unable to create directory %s.", $dir));
}
$po = TGettext::factory('PO', $po_file);
$result['meta']['PO-Revision-Date'] = date('Y-m-d H:i:s');
$result['strings'] = array();
$po->fromArray($result);
$mo = $po->toMO();
if ($po->save() && $mo->save($mo_file)) {
return array($variant, $mo_file, $po_file);
} else {
throw new sfException(sprintf("Unable to create file %s and %s.", $po_file, $mo_file));
}
}
/**
* Updates the translation.
*
* @param string the source string.
* @param string the new translation string.
* @param string comments
* @param string the catalogue of the translation.
* @return boolean true if translation was updated, false otherwise.
*/
function update($text, $target, $comments, $catalogue = 'messages')
{
$variants = $this->getVariants($catalogue);
if ($variants) {
list($variant, $MOFile, $POFile) = $variants;
} else {
return false;
}
if (is_writable($MOFile) == false) {
throw new sfException(sprintf("Unable to update file %s, file must be writable.", $MOFile));
}
if (is_writable($POFile) == false) {
throw new sfException(sprintf("Unable to update file %s, file must be writable.", $POFile));
}
$po = TGettext::factory('PO', $POFile);
$po->load();
$result = $po->toArray();
foreach ($result['strings'] as $string => $value) {
if ($string == $text) {
$result['strings'][$string] = $target;
$result['meta']['PO-Revision-Date'] = @date('Y-m-d H:i:s');
$po->fromArray($result);
$mo = $po->toMO();
if ($po->save() && $mo->save($MOFile)) {
if (!empty($this->cache)) {
$this->cache->clean($variant, $this->culture);
}
return true;
} else {
return false;
}
}
}
return false;
}
