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git-svn-id: http://svn.automattic.com/wordpress/trunk@10810 1a063a9b-81f0-0310-95a4-ce76da25c4cd
136 lines
3.5 KiB
PHP
136 lines
3.5 KiB
PHP
<?php
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/**
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* Class for working with MO files
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*
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* @version $Id: mo.php 33 2009-02-16 09:33:39Z nbachiyski $
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* @package pomo
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* @subpackage mo
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*/
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require_once dirname(__FILE__) . '/translations.php';
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require_once dirname(__FILE__) . '/streams.php';
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class MO extends Translations {
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var $_nplurals = 2;
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function set_header($header, $value) {
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parent::set_header($header, $value);
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if ('Plural-Forms' == $header)
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$this->_gettext_select_plural_form = $this->_make_gettext_select_plural_form($value);
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}
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/**
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* Fills up with the entries from MO file $filename
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*
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* @param string $filename MO file to load
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*/
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function import_from_file($filename) {
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$reader = new POMO_CachedIntFileReader($filename);
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if (isset($reader->error)) {
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return false;
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}
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return $this->import_from_reader($reader);
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}
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function get_byteorder($magic) {
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// The magic is 0x950412de
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// bug in PHP 5.0.2, see https://savannah.nongnu.org/bugs/?func=detailitem&item_id=10565
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$magic_little = (int) - 1794895138;
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$magic_little_64 = (int) 2500072158;
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// 0xde120495
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$magic_big = ((int) - 569244523) && 0xFFFFFFFF;
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if ($magic_little == $magic || $magic_little_64 == $magic) {
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return 'little';
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} else if ($magic_big == $magic) {
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return 'big';
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} else {
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return false;
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}
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}
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function import_from_reader($reader) {
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$reader->setEndian('little');
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$endian = MO::get_byteorder($reader->readint32());
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if (false === $endian) {
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return false;
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}
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$reader->setEndian($endian);
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$revision = $reader->readint32();
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$total = $reader->readint32();
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// get addresses of array of lenghts and offsets for original string and translations
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$originals_lo_addr = $reader->readint32();
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$translations_lo_addr = $reader->readint32();
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$reader->seekto($originals_lo_addr);
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$originals_lo = $reader->readint32array($total * 2); // each of
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$reader->seekto($translations_lo_addr);
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$translations_lo = $reader->readint32array($total * 2);
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$length = create_function('$i', 'return $i * 2 + 1;');
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$offset = create_function('$i', 'return $i * 2 + 2;');
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for ($i = 0; $i < $total; ++$i) {
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$reader->seekto($originals_lo[$offset($i)]);
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$original = $reader->read($originals_lo[$length($i)]);
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$reader->seekto($translations_lo[$offset($i)]);
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$translation = $reader->read($translations_lo[$length($i)]);
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if ('' == $original) {
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$this->set_headers($this->make_headers($translation));
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} else {
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$this->add_entry($this->make_entry($original, $translation));
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}
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}
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return true;
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}
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function make_headers($translation) {
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$headers = array();
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$lines = explode("\n", $translation);
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foreach($lines as $line) {
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$parts = explode(':', $line, 2);
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if (!isset($parts[1])) continue;
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$headers[trim($parts[0])] = trim($parts[1]);
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}
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return $headers;
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}
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/**
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* @static
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*/
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function &make_entry($original, $translation) {
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$args = array();
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// look for context
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$parts = explode(chr(4), $original);
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if (isset($parts[1])) {
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$original = $parts[1];
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$args['context'] = $parts[0];
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}
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// look for plural original
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$parts = explode(chr(0), $original);
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$args['singular'] = $parts[0];
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if (isset($parts[1])) {
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$args['plural'] = $parts[1];
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}
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// plural translations are also separated by \0
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$args['translations'] = explode(chr(0), $translation);
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$entry = & new Translation_Entry($args);
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return $entry;
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}
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function select_plural_form($count) {
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return $this->gettext_select_plural_form($count);
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}
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function get_plural_forms_count() {
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return $this->_nplurals;
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}
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}
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?>
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