2009-02-17 00:03:29 -05:00
|
|
|
<?php
|
|
|
|
/**
|
|
|
|
* Class for working with MO files
|
|
|
|
*
|
2011-08-11 00:29:35 -04:00
|
|
|
* @version $Id: mo.php 602 2011-01-30 12:43:29Z nbachiyski $
|
2009-02-17 00:03:29 -05:00
|
|
|
* @package pomo
|
|
|
|
* @subpackage mo
|
|
|
|
*/
|
|
|
|
|
|
|
|
require_once dirname(__FILE__) . '/translations.php';
|
|
|
|
require_once dirname(__FILE__) . '/streams.php';
|
|
|
|
|
2009-10-21 03:06:55 -04:00
|
|
|
if ( !class_exists( 'MO' ) ):
|
2009-06-23 12:32:52 -04:00
|
|
|
class MO extends Gettext_Translations {
|
2009-02-17 00:03:29 -05:00
|
|
|
|
|
|
|
var $_nplurals = 2;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Fills up with the entries from MO file $filename
|
|
|
|
*
|
|
|
|
* @param string $filename MO file to load
|
|
|
|
*/
|
|
|
|
function import_from_file($filename) {
|
2009-11-12 11:05:43 -05:00
|
|
|
$reader = new POMO_FileReader($filename);
|
|
|
|
if (!$reader->is_resource())
|
2009-02-17 00:03:29 -05:00
|
|
|
return false;
|
|
|
|
return $this->import_from_reader($reader);
|
|
|
|
}
|
2010-02-22 18:12:48 -05:00
|
|
|
|
2009-06-23 12:32:52 -04:00
|
|
|
function export_to_file($filename) {
|
|
|
|
$fh = fopen($filename, 'wb');
|
|
|
|
if ( !$fh ) return false;
|
2011-08-11 00:29:35 -04:00
|
|
|
$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( $tmp_fh );
|
|
|
|
}
|
|
|
|
|
|
|
|
function export_to_file_handle($fh) {
|
2009-06-23 12:32:52 -04:00
|
|
|
$entries = array_filter($this->entries, create_function('$e', 'return !empty($e->translations);'));
|
|
|
|
ksort($entries);
|
|
|
|
$magic = 0x950412de;
|
|
|
|
$revision = 0;
|
|
|
|
$total = count($entries) + 1; // all the headers are one entry
|
|
|
|
$originals_lenghts_addr = 28;
|
|
|
|
$translations_lenghts_addr = $originals_lenghts_addr + 8 * $total;
|
|
|
|
$size_of_hash = 0;
|
|
|
|
$hash_addr = $translations_lenghts_addr + 8 * $total;
|
|
|
|
$current_addr = $hash_addr;
|
|
|
|
fwrite($fh, pack('V*', $magic, $revision, $total, $originals_lenghts_addr,
|
|
|
|
$translations_lenghts_addr, $size_of_hash, $hash_addr));
|
|
|
|
fseek($fh, $originals_lenghts_addr);
|
2011-08-11 00:29:35 -04:00
|
|
|
|
2009-06-23 12:32:52 -04:00
|
|
|
// headers' msgid is an empty string
|
|
|
|
fwrite($fh, pack('VV', 0, $current_addr));
|
|
|
|
$current_addr++;
|
|
|
|
$originals_table = chr(0);
|
|
|
|
|
|
|
|
foreach($entries as $entry) {
|
|
|
|
$originals_table .= $this->export_original($entry) . chr(0);
|
|
|
|
$length = strlen($this->export_original($entry));
|
|
|
|
fwrite($fh, pack('VV', $length, $current_addr));
|
|
|
|
$current_addr += $length + 1; // account for the NULL byte after
|
|
|
|
}
|
2011-08-11 00:29:35 -04:00
|
|
|
|
2009-06-23 12:32:52 -04:00
|
|
|
$exported_headers = $this->export_headers();
|
|
|
|
fwrite($fh, pack('VV', strlen($exported_headers), $current_addr));
|
|
|
|
$current_addr += strlen($exported_headers) + 1;
|
|
|
|
$translations_table = $exported_headers . chr(0);
|
2011-08-11 00:29:35 -04:00
|
|
|
|
2009-06-23 12:32:52 -04:00
|
|
|
foreach($entries as $entry) {
|
|
|
|
$translations_table .= $this->export_translations($entry) . chr(0);
|
|
|
|
$length = strlen($this->export_translations($entry));
|
|
|
|
fwrite($fh, pack('VV', $length, $current_addr));
|
|
|
|
$current_addr += $length + 1;
|
|
|
|
}
|
2011-08-11 00:29:35 -04:00
|
|
|
|
2009-06-23 12:32:52 -04:00
|
|
|
fwrite($fh, $originals_table);
|
|
|
|
fwrite($fh, $translations_table);
|
2011-08-11 00:29:35 -04:00
|
|
|
return true;
|
2009-06-23 12:32:52 -04:00
|
|
|
}
|
2011-08-11 00:29:35 -04:00
|
|
|
|
2009-06-23 12:32:52 -04:00
|
|
|
function export_original($entry) {
|
|
|
|
//TODO: warnings for control characters
|
|
|
|
$exported = $entry->singular;
|
|
|
|
if ($entry->is_plural) $exported .= chr(0).$entry->plural;
|
|
|
|
if (!is_null($entry->context)) $exported = $entry->context . chr(4) . $exported;
|
|
|
|
return $exported;
|
|
|
|
}
|
2011-08-11 00:29:35 -04:00
|
|
|
|
2009-06-23 12:32:52 -04:00
|
|
|
function export_translations($entry) {
|
|
|
|
//TODO: warnings for control characters
|
|
|
|
return implode(chr(0), $entry->translations);
|
|
|
|
}
|
2011-08-11 00:29:35 -04:00
|
|
|
|
2009-06-23 12:32:52 -04:00
|
|
|
function export_headers() {
|
|
|
|
$exported = '';
|
|
|
|
foreach($this->headers as $header => $value) {
|
|
|
|
$exported.= "$header: $value\n";
|
|
|
|
}
|
|
|
|
return $exported;
|
|
|
|
}
|
2009-02-17 00:03:29 -05:00
|
|
|
|
|
|
|
function get_byteorder($magic) {
|
|
|
|
// The magic is 0x950412de
|
|
|
|
|
|
|
|
// bug in PHP 5.0.2, see https://savannah.nongnu.org/bugs/?func=detailitem&item_id=10565
|
|
|
|
$magic_little = (int) - 1794895138;
|
|
|
|
$magic_little_64 = (int) 2500072158;
|
|
|
|
// 0xde120495
|
2009-10-21 03:06:55 -04:00
|
|
|
$magic_big = ((int) - 569244523) & 0xFFFFFFFF;
|
2009-02-17 00:03:29 -05:00
|
|
|
if ($magic_little == $magic || $magic_little_64 == $magic) {
|
|
|
|
return 'little';
|
|
|
|
} else if ($magic_big == $magic) {
|
|
|
|
return 'big';
|
|
|
|
} else {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
function import_from_reader($reader) {
|
2009-11-12 11:05:43 -05:00
|
|
|
$endian_string = MO::get_byteorder($reader->readint32());
|
|
|
|
if (false === $endian_string) {
|
2009-02-17 00:03:29 -05:00
|
|
|
return false;
|
|
|
|
}
|
2009-11-12 11:05:43 -05:00
|
|
|
$reader->setEndian($endian_string);
|
|
|
|
|
|
|
|
$endian = ('big' == $endian_string)? 'N' : 'V';
|
2009-02-17 00:03:29 -05:00
|
|
|
|
2009-11-12 11:05:43 -05:00
|
|
|
$header = $reader->read(24);
|
|
|
|
if ($reader->strlen($header) != 24)
|
|
|
|
return false;
|
2009-02-17 00:03:29 -05:00
|
|
|
|
2009-11-12 11:05:43 -05:00
|
|
|
// parse header
|
|
|
|
$header = unpack("{$endian}revision/{$endian}total/{$endian}originals_lenghts_addr/{$endian}translations_lenghts_addr/{$endian}hash_length/{$endian}hash_addr", $header);
|
|
|
|
if (!is_array($header))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
extract( $header );
|
|
|
|
|
|
|
|
// support revision 0 of MO format specs, only
|
|
|
|
if ($revision != 0)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
// seek to data blocks
|
2009-06-23 12:32:52 -04:00
|
|
|
$reader->seekto($originals_lenghts_addr);
|
2009-11-12 11:05:43 -05:00
|
|
|
|
|
|
|
// read originals' indices
|
|
|
|
$originals_lengths_length = $translations_lenghts_addr - $originals_lenghts_addr;
|
|
|
|
if ( $originals_lengths_length != $total * 8 )
|
|
|
|
return false;
|
|
|
|
|
|
|
|
$originals = $reader->read($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 )
|
|
|
|
return false;
|
|
|
|
|
|
|
|
$translations = $reader->read($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;
|
|
|
|
|
|
|
|
$reader->seekto($strings_addr);
|
|
|
|
|
|
|
|
$strings = $reader->read_all();
|
|
|
|
$reader->close();
|
|
|
|
|
|
|
|
for ( $i = 0; $i < $total; $i++ ) {
|
|
|
|
$o = unpack( "{$endian}length/{$endian}pos", $originals[$i] );
|
|
|
|
$t = unpack( "{$endian}length/{$endian}pos", $translations[$i] );
|
|
|
|
if ( !$o || !$t ) return false;
|
|
|
|
|
|
|
|
// adjust offset due to reading strings to separate space before
|
|
|
|
$o['pos'] -= $strings_addr;
|
|
|
|
$t['pos'] -= $strings_addr;
|
|
|
|
|
|
|
|
$original = $reader->substr( $strings, $o['pos'], $o['length'] );
|
|
|
|
$translation = $reader->substr( $strings, $t['pos'], $t['length'] );
|
|
|
|
|
|
|
|
if ('' === $original) {
|
2011-10-27 16:00:09 -04:00
|
|
|
$headers = $this->make_headers($translation);
|
|
|
|
$this->set_headers($headers);
|
2009-02-17 00:03:29 -05:00
|
|
|
} else {
|
2009-11-12 11:05:43 -05:00
|
|
|
$entry = &$this->make_entry($original, $translation);
|
|
|
|
$this->entries[$entry->key()] = &$entry;
|
2009-02-17 00:03:29 -05:00
|
|
|
}
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2009-11-12 11:05:43 -05:00
|
|
|
* Build a Translation_Entry from original string and translation strings,
|
|
|
|
* found in a MO file
|
2011-08-11 00:29:35 -04:00
|
|
|
*
|
2009-02-17 00:03:29 -05:00
|
|
|
* @static
|
2009-11-12 11:05:43 -05:00
|
|
|
* @param string $original original string to translate from MO file. Might contain
|
|
|
|
* 0x04 as context separator or 0x00 as singular/plural separator
|
|
|
|
* @param string $translation translation string from MO file. Might contain
|
|
|
|
* 0x00 as a plural translations separator
|
2009-02-17 00:03:29 -05:00
|
|
|
*/
|
|
|
|
function &make_entry($original, $translation) {
|
2010-02-19 13:01:50 -05:00
|
|
|
$entry = new Translation_Entry();
|
2009-02-17 00:03:29 -05:00
|
|
|
// look for context
|
|
|
|
$parts = explode(chr(4), $original);
|
|
|
|
if (isset($parts[1])) {
|
|
|
|
$original = $parts[1];
|
2009-11-12 11:05:43 -05:00
|
|
|
$entry->context = $parts[0];
|
2009-02-17 00:03:29 -05:00
|
|
|
}
|
|
|
|
// look for plural original
|
|
|
|
$parts = explode(chr(0), $original);
|
2009-11-12 11:05:43 -05:00
|
|
|
$entry->singular = $parts[0];
|
2009-02-17 00:03:29 -05:00
|
|
|
if (isset($parts[1])) {
|
2009-11-12 11:05:43 -05:00
|
|
|
$entry->is_plural = true;
|
|
|
|
$entry->plural = $parts[1];
|
2009-02-17 00:03:29 -05:00
|
|
|
}
|
|
|
|
// plural translations are also separated by \0
|
2009-11-12 11:05:43 -05:00
|
|
|
$entry->translations = explode(chr(0), $translation);
|
2009-02-17 00:03:29 -05:00
|
|
|
return $entry;
|
|
|
|
}
|
|
|
|
|
|
|
|
function select_plural_form($count) {
|
|
|
|
return $this->gettext_select_plural_form($count);
|
|
|
|
}
|
|
|
|
|
|
|
|
function get_plural_forms_count() {
|
|
|
|
return $this->_nplurals;
|
|
|
|
}
|
|
|
|
}
|
2009-10-21 03:06:55 -04:00
|
|
|
endif;
|