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<?php
/**
* based on php.mo 0.1 by Joss Crowcroft (http://www.josscrowcroft.com)
* added case for commented unused string
* fixed "fuzzy flag first line" bug which didn't saved previous proper string at all
* removed unedeed phpmo_convert and phpmo_write_mo_file
*
* Converts gettext translation '.po' files to binary '.mo' files in PHP.
*
* Usage:
* <?php require('php-mo.php'); phpmo_convert( 'input.po', [ 'output.mo' ] ); ?>
*
* NB:
* - If no $output_file specified, output filename is same as $input_file (but .mo)
* - Returns true/false for success/failure
* - No warranty, but if it breaks, please let me know
*
* More info:
* https://github.com/josscrowcroft/php.mo
*
* Based on php-msgfmt by Matthias Bauer (Copyright © 2007), a command-line PHP tool
* for converting .po files to .mo.
* (http://wordpress-soc-2007.googlecode.com/svn/trunk/moeffju/php-msgfmt/msgfmt.php)
*
* License: GPL v3 http://www.opensource.org/licenses/gpl-3.0.html
*/
function phpmo_clean_helper($x) {
if (is_array($x)) {
foreach ($x as $k => $v) {
$x[$k] = phpmo_clean_helper($v);
}
} else {
if ($x[0] == '"')
$x = substr($x, 1, -1);
$x = str_replace("\"\n\"", '', $x);
$x = str_replace('$', '\\$', $x);
}
return $x;
}
/* Parse gettext .po files. */
/* @link http://www.gnu.org/software/gettext/manual/gettext.html#PO-Files */
function phpmo_parse_po_file($in) {
// read .po file
$fh = @fopen($in, 'r');
if ($fh === false) {
// Could not open file resource
return false;
}
// results array
$hash = array ();
// temporary array
$temp = array ();
// state
$state = null;
$fuzzy = false;
// iterate over lines
while(($line = fgets($fh, 65536)) !== false) {
$line = trim($line);
if ($line === '') {
// save stored entry on empty line
// block moved to fix "fuzzy flag first line" bug which didn't saved previous proper string at all
if (sizeof($temp) && array_key_exists('msgid', $temp) && array_key_exists('msgstr', $temp)) {
if (!$fuzzy)
$hash[] = $temp;
$temp = array ();
$state = null;
$fuzzy = false;
}
continue;
}
$array_of_splited_string = preg_split('/\s/', $line, 2);
$key = $array_of_splited_string[0];
$data = (isset($array_of_splited_string[1]) ? $array_of_splited_string[1] : '');
switch ($key) {
case '#,' : // flag...
$fuzzy = in_array('fuzzy', preg_split('/,\s*/', $data));
case '#' : // translator-comments
case '#.' : // extracted-comments
case '#:' : // reference...
case '#|' : // msgid previous-untranslated-string
break;
case '#~' : // commented-unused-string
$temp = array ();
$state = null;
$fuzzy = false;
break;
case 'msgctxt' :
// context
case 'msgid' :
// untranslated-string
case 'msgid_plural' :
// untranslated-string-plural
$state = $key;
$temp[$state] = $data;
break;
case 'msgstr' :
// translated-string
$state = 'msgstr';
$temp[$state][] = $data;
break;
default :
if (strpos($key, 'msgstr[') !== FALSE) {
// translated-string-case-n
$state = 'msgstr';
$temp[$state][] = $data;
} else {
// continued lines
switch ($state) {
case 'msgctxt' :
case 'msgid' :
case 'msgid_plural' :
$temp[$state] .= "\n" . $line;
break;
case 'msgstr' :
$temp[$state][sizeof($temp[$state]) - 1] .= "\n" . $line;
break;
default :
// parse error
fclose($fh);
return FALSE;
}
}
break;
}
}
fclose($fh);
// add final entry
if ($state == 'msgstr')
$hash[] = $temp;
// Cleanup data, merge multiline entries, reindex hash for ksort
$temp = $hash;
$hash = array ();
foreach ($temp as $entry) {
foreach ($entry as & $v) {
$v = phpmo_clean_helper($v);
if ($v === FALSE) {
// parse error
return FALSE;
}
}
$hash[$entry['msgid']] = $entry;
}
return $hash;
}
?>
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