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/" . ( $target_lang || 'templates' ) )
  12 {
  13         system('mkdir', '-p', "$target_dir/" . ( $target_lang || 'templates' ));
  14 }
  15
  16
  17 my %target_strings;
  18
  19 if( $target_lang && open F, "find $source_dir -path '*/luasrc/i18n/*' -name '*.$target_lang.lua' |" )
  20 {
  21         while( chomp( my $file = readline F ) )
  22         {
  23                 if( open L, "< $file" )
  24                 {
  25                         my ( $basename ) = $file =~ m{.+/([^/]+)\.[\w\-]+\.lua$};
  26                         $target_strings{$basename} = { };
  27
  28                         while( chomp( my $entry = readline L ) )
  29                         {
  30                                 my ( $k, $v );
  31                                 if( $entry =~ /^\s*(\w+)\s*=\s*\[\[(.+)\]\]/ )
  32                                 {
  33                                         ( $k, $v ) = ( $1, $2 );
  34                                 }
  35                                 elsif( $entry =~ /^\s*(\w+)\s*=\s*'(.+)'/ )
  36                                 {
  37                                         ( $k, $v ) = ( $1, $2 );
  38                                 }
  39                                 elsif( $entry =~ /^\s*(\w+)\s*=\s*"(.+)"/ )
  40                                 {
  41                                         ( $k, $v ) = ( $1, $2 );
  42                                 }
  43
  44                                 if( $k && $v )
  45                                 {
  46                                         $v =~ s/"/\\"/g;
  47                                         $v =~ s/\\\\"/\\"/g;
  48                                         $target_strings{$basename}{$k} = $v;
  49                                 }
  50                         }
  51
  52                         close L;
  53                 }
  54         }
  55
  56         close F;
  57 }
  58
  59
  60 if( open F, "find . -path '*/luasrc/i18n/*' -name '*.$master_lang.lua' |" )
  61 {
  62         my $destfile = sprintf '%s/%s/%%s.%s',
  63                 $target_dir,
  64                 $target_lang || 'templates',
  65                 $target_lang ? 'po' : 'pot'
  66         ;
  67
  68         while( chomp( my $file = readline F ) )
  69         {
  70                 if( open L, "< $file" )
  71                 {
  72                         my ( $basename ) = $file =~ m{.+/([^/]+)\.\w+\.lua$};
  73                         my $filename = sprintf $destfile, $basename;
  74
  75                         if( open T, "> $filename" )
  76                         {
  77                                 printf "Generating %-40s ", $filename;
  78
  79                                 printf T "#  %s.%s\n#  generated from %s\n\nmsgid \"\"\n" .
  80                                          "msgstr \"Content-Type: text/plain; charset=UTF-8\"\n\n",
  81                                         $basename, $target_lang ? 'po' : 'pot', $file;
  82
  83                                 while( chomp( my $entry = readline L ) )
  84                                 {
  85                                         my ( $k, $v );
  86                                         if( $entry =~ /^\s*(\w+)\s*=\s*\[\[(.+)\]\]/ )
  87                                         {
  88                                                 ( $k, $v ) = ( $1, $2 );
  89                                         }
  90                                         elsif( $entry =~ /^\s*(\w+)\s*=\s*'(.+)'/ )
  91                                         {
  92                                                 ( $k, $v ) = ( $1, $2 );
  93                                         }
  94                                         elsif( $entry =~ /^\s*(\w+)\s*=\s*"(.+)"/ )
  95                                         {
  96                                                 ( $k, $v ) = ( $1, $2 );
  97                                         }
  98
  99                                         if( $k && $v )
 100                                         {
 101                                                 $v =~ s/"/\\"/g;
 102                                                 $v =~ s/\\\\"/\\"/g;
 103                                                 printf T "#: %s:%d\n#. %s\nmsgid \"%s\"\nmsgstr \"%s\"\n\n",
 104                                                         $file, $., $v, $k,
 105                                                         ( $target_strings{$basename} && $target_strings{$basename}{$k} )
 106                                                                 ? $target_strings{$basename}{$k} : "";
 107                                         }
 108                                 }
 109
 110                                 close T;
 111
 112                                 print "done\n";
 113                         }
 114
 115                         close L;
 116                 }
 117         }
 118
 119         close F;
 120 }