--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/wp-includes/pomo/mo.php Wed Feb 03 15:37:20 2010 +0000
@@ -0,0 +1,231 @@
+<?php
+/**
+ * Class for working with MO files
+ *
+ * @version $Id: mo.php 293 2009-11-12 15:43:50Z nbachiyski $
+ * @package pomo
+ * @subpackage mo
+ */
+
+require_once dirname(__FILE__) . '/translations.php';
+require_once dirname(__FILE__) . '/streams.php';
+
+if ( !class_exists( 'MO' ) ):
+class MO extends Gettext_Translations {
+
+ var $_nplurals = 2;
+
+ /**
+ * Fills up with the entries from MO file $filename
+ *
+ * @param string $filename MO file to load
+ */
+ function import_from_file($filename) {
+ $reader = new POMO_FileReader($filename);
+ if (!$reader->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;
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