<?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;
}
}
}