jsgettext.pl

   1 #!/usr/bin/perl
   2
   3 use strict;
   4 use warnings;
   5
   6 use Encode;
   7 use Getopt::Std;
   8 use Locale::PO;
   9 use Time::Local;
  10
  11 my $options = {};
  12
  13 getopts('o:b:p:', $options) ||
  14     die "unable to parse options\n";
  15
  16 my $dirs = [@ARGV];
  17
  18 die "no directory specified\n" if !scalar(@$dirs);
  19
  20 foreach my $dir (@$dirs) {
  21     die "no such directory '$dir'\n" if ! -d $dir;
  22 }
  23
  24 my $projectId = $options->{p} || die "missing project ID\n";
  25
  26 my $basehref = {};
  27 if (my $base = $options->{b}) {
  28     my $aref = Locale::PO->load_file_asarray($base) ||
  29         die "unable to load '$base'\n";
  30
  31     my $charset;
  32     my $hpo = $aref->[0] || die "no header";
  33     my $header = $hpo->dequote($hpo->msgstr);
  34     if ($header =~ m|^Content-Type:\s+text/plain;\s+charset=(\S+)$|im) {
  35         $charset = $1;
  36     } else {
  37         die "unable to get charset\n" if !$charset;
  38     }
  39
  40     foreach my $po (@$aref) {
  41         my $qmsgid = decode($charset, $po->msgid);
  42         my $msgid = $po->dequote($qmsgid);
  43         $basehref->{$msgid} = $po;
  44     }
  45 }
  46
  47 my $sources = [];
  48
  49 my $find_cmd = 'find ';
  50 # shell quote heuristic, with the (here safe) assumption that the dirs don't contain single-quotes
  51 $find_cmd .= join(' ', map { "'$_'" } $dirs->@*);
  52 $find_cmd .= ' -name "*.js"';
  53 open(my $find_cmd_output, '-|', "$find_cmd | sort") or die "Failed to execute command: $!";
  54
  55 # Iterate through the sorted output line by line
  56 while (my $line = <$find_cmd_output>) {
  57     chomp $line;
  58     print "F: $line\n";
  59     push @$sources, $line;
  60 }
  61 close($find_cmd_output);
  62
  63
  64 my $header = <<__EOD;
  65 Proxmox message catalog.
  66
  67 Copyright (C) Proxmox Server Solutions GmbH
  68
  69 This file is free software: you can redistribute it and\/or modify it under the terms of the GNU
  70 Affero General Public License as published by the Free Software Foundation, either version 3 of the
  71 License, or (at your option) any later version.
  72 -- Proxmox Support Team <support\@proxmox.com>
  73 __EOD
  74
  75 my $ctime = scalar localtime;
  76
  77 my $href = {};
  78 my $po = Locale::PO->new(
  79     -msgid => '',
  80     -comment => $header,
  81     -fuzzy => 1,
  82     -msgstr => "Project-Id-Version: $projectId\n"
  83         ."Report-Msgid-Bugs-To: <support\@proxmox.com>\n"
  84         ."POT-Creation-Date: $ctime\n"
  85         ."PO-Revision-Date: YEAR-MO-DA HO:MI +ZONE\n"
  86         ."Last-Translator: FULL NAME <EMAIL\@ADDRESS>\n"
  87         ."Language-Team: LANGUAGE <support\@proxmox.com>\n"
  88         ."MIME-Version: 1.0\n"
  89         ."Content-Type: text/plain; charset=UTF-8\n"
  90         ."Content-Transfer-Encoding: 8bit\n",
  91 );
  92
  93 $href->{''} = $po;
  94
  95 sub extract_msg {
  96     my ($filename, $linenr, $line) = @_;
  97
  98     my $count = 0;
  99
 100     while(1) {
 101         my $text;
 102         if ($line =~ m/\bgettext\s*\((("((?:[^"\\]++|\\.)*+)")|('((?:[^'\\]++|\\.)*+)'))\)/g) {
 103             $text = $3 || $5;
 104         }
 105
 106         last if !$text;
 107
 108         if ($basehref->{$text}) {
 109             return;
 110         }
 111
 112         $count++;
 113
 114         my $ref = "$filename:$linenr";
 115
 116         if (my $po = $href->{$text}) {
 117             $po->reference($po->reference() . " $ref");
 118         } else {
 119             my $po = Locale::PO->new(-msgid=> $text, -reference=> $ref, -msgstr=> '');
 120             $href->{$text} = $po;
 121         }
 122     };
 123
 124     die "can't extract gettext message in '$filename' line $linenr\n"
 125         if !$count;
 126 }
 127
 128 foreach my $s (@$sources) {
 129     open(my $SRC_FH, '<', $s) || die "unable to open file '$s' - $!\n";
 130     while(defined(my $line = <$SRC_FH>)) {
 131         if ($line =~ m/gettext\s*\(/ && $line !~ m/^\s*function gettext/) {
 132             extract_msg($s, $., $line);
 133         }
 134     }
 135     close($SRC_FH);
 136 }
 137
 138 my $filename = $options->{o} // "messages.pot";
 139 Locale::PO->save_file_fromhash($filename, $href);
 140