maintenance/lang2po.php

   1 <?php
   2 /**
   3  * Convert Language files to .po files !
   4  *
   5  * Todo:
   6  *   - generate .po header
   7  *   - fix escaping of \
   8  */
   9
  10 /** This is a command line script */
  11 require_once('commandLine.inc');
  12 require_once('languages.inc');
  13
  14 define('ALL_LANGUAGES',    true);
  15 define('XGETTEXT_BIN',     'xgettext');
  16 define('MSGMERGE_BIN',     'msgmerge');
  17
  18 define('XGETTEXT_OPTIONS', '-n --keyword=wfMsg ');
  19
  20 define('LOCALE_OUTPUT_DIR', $IP.'/locale');
  21
  22
  23 if( isset($options['help']) ) { usage(); die(); }
  24 // default output is WikiText
  25 if( !isset($options['lang']) ) { $options['lang'] = ALL_LANGUAGES; }
  26
  27 function usage() {
  28 print <<<END
  29 Usage: php lang2po.php [--help] [--lang=<langcode>] [--stdout]
  30   --help: this message.
  31   --lang: a lang code you want to generate a .po for (default: all languages).
  32
  33 END;
  34 }
  35
  36
  37 /**
  38  * Return a dummy header for later edition.
  39  * @return string A dummy header
  40  */
  41 function poHeader() {
  42 return
  43 '# SOME DESCRIPTIVE TITLE.
  44 # Copyright (C) 2005 MediaWiki
  45 # This file is distributed under the same license as the MediaWiki package.
  46 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
  47 #
  48 #, fuzzy
  49 msgid ""
  50 msgstr ""
  51 "Project-Id-Version: PACKAGE VERSION\n"
  52 "Report-Msgid-Bugs-To: bugzilllaaaaa\n"
  53 "POT-Creation-Date: 2005-08-16 20:13+0200\n"
  54 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
  55 "Last-Translator: VARIOUS <nobody>\n"
  56 "Language-Team: LANGUAGE <nobody>\n"
  57 "MIME-Version: 1.0\n"
  58 "Content-Type: text/plain; charset=UTF-8\n"
  59 "Content-Transfer-Encoding: 8bit\n"
  60 ';
  61 }
  62
  63 /**
  64  * generate and write a file in .po format.
  65  *
  66  * @param string $langcode Code of a language it will process.
  67  * @param array &$messages Array containing the various messages.
  68  * @return string Filename where stuff got saved or false.
  69  */
  70 function generatePo($langcode, &$messages) {
  71         $data = poHeader();
  72
  73         // Generate .po entries
  74         foreach($messages as $identifier => $content) {
  75                 $data .= "msgid \"$identifier\"\n";
  76
  77                 // Escape backslashes
  78                 $tmp = str_replace('\\', '\\\\', $content);
  79                 // Escape doublelquotes
  80                 $tmp = preg_replace( "/(?<!\\\\)\"/", '\"', $tmp);
  81                 // Rewrite multilines to gettext format
  82                 $tmp = str_replace("\n", "\"\n\"", $tmp);
  83
  84                 $data .= 'msgstr "'. $tmp . "\"\n\n";
  85         }
  86
  87         // Write the content to a file in locale/XX/messages.po
  88         $dir = LOCALE_OUTPUT_DIR.'/'.$langcode;
  89         if( !is_dir($dir) ) { mkdir( $dir, 0770 ); }
  90         $filename = $dir.'/fromlanguagefile.po';
  91
  92         $file = fopen( $filename , 'wb' );
  93         if( fwrite( $file, $data ) ) {
  94                 fclose( $file );
  95                 return $filename;
  96         } else {
  97                 fclose( $file );
  98                 return false;
  99         }
 100 }
 101
 102 function applyPot($langcode) {
 103         $langdir = LOCALE_OUTPUT_DIR.'/'.$langcode;
 104
 105         $from = $langdir.'/fromlanguagefile.po';
 106         $pot = LOCALE_OUTPUT_DIR.'/wfMsg.pot';
 107         $dest = $langdir.'/messages.po';
 108
 109         // Merge template and generate file to get final .po
 110         exec(MSGMERGE_BIN." $from $pot -o $dest ");
 111         // delete no more needed file
 112         unlink($from);
 113 }
 114
 115 // Generate a template .pot based on source tree
 116 echo "Getting 'gettext' default messages from sources:";
 117 exec( XGETTEXT_BIN
 118   .' '.XGETTEXT_OPTIONS
 119   .' -o '.$IP.'/locale/wfMsg.pot'
 120   .' '.$IP.'/includes/*php'
 121   );
 122 echo "done.\n";
 123
 124
 125 $langTool = new languages();
 126
 127 // Do all languages
 128 foreach ( $langTool->getList() as $langcode) {
 129         echo "Loading messages for $langcode:\t";
 130         require_once( 'languages/Language' . $langcode . '.php' );
 131         $arr = 'wgAllMessages'.$langcode;
 132         if(!@is_array($$arr)) {
 133                 echo "NONE FOUND\n";
 134         } else {
 135                 echo "ok\n";
 136                 if( ! generatePo($langcode, $$arr) ) {
 137                         echo "ERROR: Failed to wrote file.\n";
 138                 } else {
 139                         echo "Applying template:";
 140                         applyPot($langcode);
 141                 }
 142         }
 143 }
 144 ?>