/**
* Class for working with MO files
*
- * @version $Id: mo.php 293 2009-11-12 15:43:50Z nbachiyski $
+ * @version $Id: mo.php 718 2012-10-31 00:32:02Z nbachiyski $
* @package pomo
* @subpackage mo
*/
return false;
return $this->import_from_reader($reader);
}
-
+
function export_to_file($filename) {
$fh = fopen($filename, 'wb');
if ( !$fh ) return false;
- $entries = array_filter($this->entries, create_function('$e', 'return !empty($e->translations);'));
+ $res = $this->export_to_file_handle( $fh );
+ fclose($fh);
+ return $res;
+ }
+
+ function export() {
+ $tmp_fh = fopen("php://temp", 'r+');
+ if ( !$tmp_fh ) return false;
+ $this->export_to_file_handle( $tmp_fh );
+ rewind( $tmp_fh );
+ return stream_get_contents( $tmp_fh );
+ }
+
+ function is_entry_good_for_export( $entry ) {
+ if ( empty( $entry->translations ) ) {
+ return false;
+ }
+
+ if ( !array_filter( $entry->translations ) ) {
+ return false;
+ }
+
+ return true;
+ }
+
+ function export_to_file_handle($fh) {
+ $entries = array_filter( $this->entries, array( $this, 'is_entry_good_for_export' ) );
ksort($entries);
$magic = 0x950412de;
$revision = 0;
fwrite($fh, pack('V*', $magic, $revision, $total, $originals_lenghts_addr,
$translations_lenghts_addr, $size_of_hash, $hash_addr));
fseek($fh, $originals_lenghts_addr);
-
+
// headers' msgid is an empty string
fwrite($fh, pack('VV', 0, $current_addr));
$current_addr++;
$originals_table = chr(0);
+ $reader = new POMO_Reader();
+
foreach($entries as $entry) {
$originals_table .= $this->export_original($entry) . chr(0);
- $length = strlen($this->export_original($entry));
+ $length = $reader->strlen($this->export_original($entry));
fwrite($fh, pack('VV', $length, $current_addr));
$current_addr += $length + 1; // account for the NULL byte after
}
-
+
$exported_headers = $this->export_headers();
- fwrite($fh, pack('VV', strlen($exported_headers), $current_addr));
+ fwrite($fh, pack('VV', $reader->strlen($exported_headers), $current_addr));
$current_addr += strlen($exported_headers) + 1;
$translations_table = $exported_headers . chr(0);
-
+
foreach($entries as $entry) {
$translations_table .= $this->export_translations($entry) . chr(0);
- $length = strlen($this->export_translations($entry));
+ $length = $reader->strlen($this->export_translations($entry));
fwrite($fh, pack('VV', $length, $current_addr));
$current_addr += $length + 1;
}
-
+
fwrite($fh, $originals_table);
fwrite($fh, $translations_table);
- fclose($fh);
+ return true;
}
-
+
function export_original($entry) {
//TODO: warnings for control characters
$exported = $entry->singular;
if (!is_null($entry->context)) $exported = $entry->context . chr(4) . $exported;
return $exported;
}
-
+
function export_translations($entry) {
//TODO: warnings for control characters
return implode(chr(0), $entry->translations);
}
-
+
function export_headers() {
$exported = '';
foreach($this->headers as $header => $value) {
if (!is_array($header))
return false;
- extract( $header );
-
// support revision 0 of MO format specs, only
- if ($revision != 0)
+ if ( $header['revision'] != 0 ) {
return false;
+ }
// seek to data blocks
- $reader->seekto($originals_lenghts_addr);
+ $reader->seekto( $header['originals_lenghts_addr'] );
// read originals' indices
- $originals_lengths_length = $translations_lenghts_addr - $originals_lenghts_addr;
- if ( $originals_lengths_length != $total * 8 )
+ $originals_lengths_length = $header['translations_lenghts_addr'] - $header['originals_lenghts_addr'];
+ if ( $originals_lengths_length != $header['total'] * 8 ) {
return false;
+ }
$originals = $reader->read($originals_lengths_length);
- if ( $reader->strlen( $originals ) != $originals_lengths_length )
+ if ( $reader->strlen( $originals ) != $originals_lengths_length ) {
return false;
+ }
// read translations' indices
- $translations_lenghts_length = $hash_addr - $translations_lenghts_addr;
- if ( $translations_lenghts_length != $total * 8 )
+ $translations_lenghts_length = $header['hash_addr'] - $header['translations_lenghts_addr'];
+ if ( $translations_lenghts_length != $header['total'] * 8 ) {
return false;
+ }
$translations = $reader->read($translations_lenghts_length);
- if ( $reader->strlen( $translations ) != $translations_lenghts_length )
+ if ( $reader->strlen( $translations ) != $translations_lenghts_length ) {
return false;
+ }
// transform raw data into set of indices
$originals = $reader->str_split( $originals, 8 );
$translations = $reader->str_split( $translations, 8 );
// skip hash table
- $strings_addr = $hash_addr + $hash_length * 4;
+ $strings_addr = $header['hash_addr'] + $header['hash_length'] * 4;
$reader->seekto($strings_addr);
$strings = $reader->read_all();
$reader->close();
- for ( $i = 0; $i < $total; $i++ ) {
+ for ( $i = 0; $i < $header['total']; $i++ ) {
$o = unpack( "{$endian}length/{$endian}pos", $originals[$i] );
$t = unpack( "{$endian}length/{$endian}pos", $translations[$i] );
if ( !$o || !$t ) return false;
/**
* Build a Translation_Entry from original string and translation strings,
* found in a MO file
- *
+ *
* @static
* @param string $original original string to translate from MO file. Might contain
* 0x04 as context separator or 0x00 as singular/plural separator
* 0x00 as a plural translations separator
*/
function &make_entry($original, $translation) {
- $entry = & new Translation_Entry();
+ $entry = new Translation_Entry();
// look for context
$parts = explode(chr(4), $original);
if (isset($parts[1])) {
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