build/i18n-lua2po.pl

   1 #!/usr/bin/perl
   2
   3 @ARGV >= 2 || die "Usage: $0 <source-dir> <dest-dir> [<target-language>]\n";
   4
   5 my $source_dir  = shift @ARGV;
   6 my $target_dir  = shift @ARGV;
   7 my $target_lang = shift @ARGV;
   8 my $master_lang = "en";
   9
  10
  11 if( ! -d $target_dir )
  12 {
  13         system('mkdir', '-p', $target_dir);
  14 }
  15
  16
  17 my %target_strings;
  18
  19
  20 if( $target_lang && open F, "find $source_dir -path '*/luasrc/i18n/*' -name '*.$target_lang.lua' |" )
  21 {
  22         while( chomp( my $file = readline F ) )
  23         {
  24                 if( open L, "< $file" )
  25                 {
  26                         my ( $basename ) = $file =~ m{.+/([^/]+)\.[\w\-]+\.lua$};
  27                         $target_strings{$basename} = { };
  28
  29                         while( chomp( my $entry = readline L ) )
  30                         {
  31                                 my ( $k, $v );
  32                                 if( $entry =~ /^\s*(\w+)\s*=\s*\[\[(.+)\]\]/ )
  33                                 {
  34                                         ( $k, $v ) = ( $1, $2 );
  35                                 }
  36                                 elsif( $entry =~ /^\s*(\w+)\s*=\s*'(.+)'/ )
  37                                 {
  38                                         ( $k, $v ) = ( $1, $2 );
  39                                 }
  40                                 elsif( $entry =~ /^\s*(\w+)\s*=\s*"(.+)"/ )
  41                                 {
  42                                         ( $k, $v ) = ( $1, $2 );
  43                                 }
  44
  45                                 if( $k && $v )
  46                                 {
  47                                         $v =~ s/"/\\"/g;
  48                                         $v =~ s/\\\\"/\\"/g;
  49                                         $target_strings{$basename}{$k} = $v;
  50                                 }
  51                         }
  52
  53                         close L;
  54                 }
  55         }
  56
  57         close F;
  58 }
  59
  60
  61 if( open F, "find . -path '*/luasrc/i18n/*' -name '*.$master_lang.lua' |" )
  62 {
  63         my $ext = $target_lang ? "$target_lang.po" : "pot";
  64
  65         while( chomp( my $file = readline F ) )
  66         {
  67                 if( open L, "< $file" )
  68                 {
  69                         my ( $basename ) = $file =~ m{.+/([^/]+)\.\w+\.lua$};
  70
  71                         if( open T, "> $target_dir/$basename.$ext" )
  72                         {
  73                                 printf "Generating %-40s ",
  74                                         "$target_dir/$basename.$ext";
  75
  76                                 printf T "#  %s.%s\n#  generated from %s\n\nmsgid \"\"\n" .
  77                                          "msgstr \"Content-Type: text/plain; charset=UTF-8\"\n\n",
  78                                         $basename, $ext, $file;
  79
  80                                 while( chomp( my $entry = readline L ) )
  81                                 {
  82                                         my ( $k, $v );
  83                                         if( $entry =~ /^\s*(\w+)\s*=\s*\[\[(.+)\]\]/ )
  84                                         {
  85                                                 ( $k, $v ) = ( $1, $2 );
  86                                         }
  87                                         elsif( $entry =~ /^\s*(\w+)\s*=\s*'(.+)'/ )
  88                                         {
  89                                                 ( $k, $v ) = ( $1, $2 );
  90                                         }
  91                                         elsif( $entry =~ /^\s*(\w+)\s*=\s*"(.+)"/ )
  92                                         {
  93                                                 ( $k, $v ) = ( $1, $2 );
  94                                         }
  95
  96                                         if( $k && $v )
  97                                         {
  98                                                 $v =~ s/"/\\"/g;
  99                                                 $v =~ s/\\\\"/\\"/g;
 100                                                 printf T "#: %s:%d\n#. \"%s\"\nmsgid \"%s\"\nmsgstr \"%s\"\n\n",
 101                                                         $file, $., $v, $k,
 102                                                         ( $target_strings{$basename} && $target_strings{$basename}{$k} )
 103                                                                 ? $target_strings{$basename}{$k} : "";
 104                                         }
 105                                 }
 106
 107                                 close T;
 108
 109                                 print "done\n";
 110                         }
 111
 112                         close L;
 113                 }
 114         }
 115
 116         close F;
 117 }