File "mo.php"

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Charset: utf-8

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<?php

require_once __DIR__ . '/translations.php';
require_once __DIR__ . '/streams.php';
if (!class_exists('MO', false)) {
    class MO extends Gettext_Translations
    {
        public $_nplurals = 2;
        private $filename = '';
        public function get_filename()
        {
            return $this->filename;
        }
        function import_from_file($filename)
        {
            $reader = new POMO_FileReader($filename);
            if (!$reader->is_resource()) {
                return false;
            }
            $this->filename = (string) $filename;
            return $this->import_from_reader($reader);
        }
        function export_to_file($filename)
        {
            $fh = fopen($filename, 'wb');
            if (!$fh) {
                return false;
            }
            $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;
            $total = count($entries) + 1;
            $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, $originals_lenghts_addr);
            fwrite($fh, pack('VV', 0, $current_addr));
            $current_addr++;
            $originals_table = "\0";
            $reader = new POMO_Reader();
            foreach ($entries as $entry) {
                $originals_table .= $this->export_original($entry) . "\0";
                $length = $reader->strlen($this->export_original($entry));
                fwrite($fh, pack('VV', $length, $current_addr));
                $current_addr += $length + 1;
            }
            $exported_headers = $this->export_headers();
            fwrite($fh, pack('VV', $reader->strlen($exported_headers), $current_addr));
            $current_addr += strlen($exported_headers) + 1;
            $translations_table = $exported_headers . "\0";
            foreach ($entries as $entry) {
                $translations_table .= $this->export_translations($entry) . "\0";
                $length = $reader->strlen($this->export_translations($entry));
                fwrite($fh, pack('VV', $length, $current_addr));
                $current_addr += $length + 1;
            }
            fwrite($fh, $originals_table);
            fwrite($fh, $translations_table);
            return true;
        }
        function export_original($entry)
        {
            $exported = $entry->singular;
            if ($entry->is_plural) {
                $exported .= "\0" . $entry->plural;
            }
            if ($entry->context) {
                $exported = $entry->context . "\4" . $exported;
            }
            return $exported;
        }
        function export_translations($entry)
        {
            return $entry->is_plural ? implode("\0", $entry->translations) : $entry->translations[0];
        }
        function export_headers()
        {
            $exported = '';
            foreach ($this->headers as $header => $value) {
                $exported .= "{$header}: {$value}\n";
            }
            return $exported;
        }
        function get_byteorder($magic)
        {
            $magic_little = (int) -1794895138;
            $magic_little_64 = (int) 2500072158;
            $magic_big = (int) -569244523 & 0xffffffff;
            if ($magic_little == $magic || $magic_little_64 == $magic) {
                return 'little';
            } elseif ($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;
            }
            $header = unpack("{$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;
            }
            if (0 != $header['revision']) {
                return false;
            }
            $reader->seekto($header['originals_lenghts_addr']);
            $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) {
                return false;
            }
            $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) {
                return false;
            }
            $originals = $reader->str_split($originals, 8);
            $translations = $reader->str_split($translations, 8);
            $strings_addr = $header['hash_addr'] + $header['hash_length'] * 4;
            $reader->seekto($strings_addr);
            $strings = $reader->read_all();
            $reader->close();
            for ($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;
                }
                $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()] =& $entry;
                }
            }
            return true;
        }
        function &make_entry($original, $translation)
        {
            $entry = new Translation_Entry();
            $parts = explode("\4", $original);
            if (isset($parts[1])) {
                $original = $parts[1];
                $entry->context = $parts[0];
            }
            $parts = explode("\0", $original);
            $entry->singular = $parts[0];
            if (isset($parts[1])) {
                $entry->is_plural = true;
                $entry->plural = $parts[1];
            }
            $entry->translations = explode("\0", $translation);
            return $entry;
        }
        function select_plural_form($count)
        {
            return $this->gettext_select_plural_form($count);
        }
        function get_plural_forms_count()
        {
            return $this->_nplurals;
        }
    }
}