diff -r 0d9a58d2c515 -r 0d28b7c10758 web/wp-includes/pomo/mo.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/web/wp-includes/pomo/mo.php Fri Mar 12 13:29:04 2010 +0000 @@ -0,0 +1,231 @@ +is_resource()) + 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);')); + 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, $originals_lenghts_addr); + + // headers' msgid is an empty string + fwrite($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 + } + + $exported_headers = $this->export_headers(); + fwrite($fh, pack('VV', strlen($exported_headers), $current_addr)); + $current_addr += strlen($exported_headers) + 1; + $translations_table = $exported_headers . chr(0); + + foreach($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 += $length + 1; + } + + fwrite($fh, $originals_table); + fwrite($fh, $translations_table); + fclose($fh); + } + + 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 $exported; + } + + function export_translations($entry) { + //TODO: warnings for control characters + return implode(chr(0), $entry->translations); + } + + function export_headers() { + $exported = ''; + foreach($this->headers as $header => $value) { + $exported.= "$header: $value\n"; + } + return $exported; + } + + function get_byteorder($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 + $magic_big = ((int) - 569244523) & 0xFFFFFFFF; + if ($magic_little == $magic || $magic_little_64 == $magic) { + return 'little'; + } else if ($magic_big == $magic) { + return 'big'; + } else { + return false; + } + } + + function import_from_reader($reader) { + $endian_string = MO::get_byteorder($reader->readint32()); + if (false === $endian_string) { + return false; + } + $reader->setEndian($endian_string); + + $endian = ('big' == $endian_string)? 'N' : 'V'; + + $header = $reader->read(24); + if ($reader->strlen($header) != 24) + return false; + + // 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 + $reader->seekto($originals_lenghts_addr); + + // 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) { + $this->set_headers($this->make_headers($translation)); + } else { + $entry = &$this->make_entry($original, $translation); + $this->entries[$entry->key()] = &$entry; + } + } + return true; + } + + /** + * 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 + * @param string $translation translation string from MO file. Might contain + * 0x00 as a plural translations separator + */ + function &make_entry($original, $translation) { + $entry = & new Translation_Entry(); + // look for context + $parts = explode(chr(4), $original); + if (isset($parts[1])) { + $original = $parts[1]; + $entry->context = $parts[0]; + } + // look for plural original + $parts = explode(chr(0), $original); + $entry->singular = $parts[0]; + if (isset($parts[1])) { + $entry->is_plural = true; + $entry->plural = $parts[1]; + } + // plural translations are also separated by \0 + $entry->translations = explode(chr(0), $translation); + return $entry; + } + + function select_plural_form($count) { + return $this->gettext_select_plural_form($count); + } + + function get_plural_forms_count() { + return $this->_nplurals; + } +} +endif; \ No newline at end of file