build/i18n-scan.pl

   1 #!/usr/bin/perl
   2
   3 use utf8;
   4 use strict;
   5 use warnings;
   6 use Text::Balanced qw(extract_tagged gen_delimited_pat);
   7 use POSIX;
   8
   9 POSIX::setlocale(POSIX::LC_ALL, "C");
  10
  11 @ARGV >= 1 || die "Usage: $0 <source directory>\n";
  12
  13
  14 my %stringtable;
  15
  16 sub dec_lua_str
  17 {
  18         my $s = shift;
  19         my %rep = (
  20                 'a' => "\x07",
  21                 'b' => "\x08",
  22                 'f' => "\x0c",
  23                 'n' => "\n",
  24                 'r' => "\r",
  25                 't' => "\t",
  26                 'v' => "\x76"
  27         );
  28
  29         $s =~ s!\\(?:([0-9]{1,2})|(.))!
  30                 $1 ? chr(int($1)) : ($rep{$2} || $2)
  31         !segx;
  32
  33         $s =~ s/[\s\n]+/ /g;
  34         $s =~ s/^ //;
  35         $s =~ s/ $//;
  36
  37         return $s;
  38 }
  39
  40 sub dec_json_str
  41 {
  42         my $s = shift;
  43         my %rep = (
  44                 '"' => '"',
  45                 '/' => '/',
  46                 'b' => "\x08",
  47                 'f' => "\x0c",
  48                 'n' => "\n",
  49                 'r' => "\r",
  50                 't' => "\t",
  51                 '\\' => '\\'
  52         );
  53
  54         $s =~ s!\\([\\/"bfnrt]|u([0-9a-fA-F]{4}))!
  55                 $2 ? chr(hex($2)) : $rep{$1}
  56         !egx;
  57
  58         $s =~ s/[\s\n]+/ /g;
  59         $s =~ s/^ //;
  60         $s =~ s/ $//;
  61
  62         return $s;
  63 }
  64
  65 sub dec_tpl_str
  66 {
  67         my $s = shift;
  68         $s =~ s/-$//;
  69         $s =~ s/[\s\n]+/ /g;
  70         $s =~ s/^ //;
  71         $s =~ s/ $//;
  72         $s =~ s/\\/\\\\/g;
  73         return $s;
  74 }
  75
  76 if( open F, "find @ARGV -type f '(' -name '*.htm' -o -name '*.lua' -o -name '*.js' ')' | sort |" )
  77 {
  78         while( defined( my $file = readline F ) )
  79         {
  80                 chomp $file;
  81
  82                 if( open S, "< $file" )
  83                 {
  84                         binmode S, ':utf8';
  85
  86                         local $/ = undef;
  87                         my $raw = <S>;
  88                         close S;
  89
  90                         my $text = $raw;
  91                         my $line = 1;
  92
  93                         while ($text =~ s/ ^ (.*?) (?:translate|translatef|i18n|_) ([\n\s]*) \( //sgx)
  94                         {
  95                                 my ($prefix, $suffix) = ($1, $2);
  96                                 my $code;
  97                                 my $res = "";
  98                                 my $sub = "";
  99
 100                                 $line += () = $prefix =~ /\n/g;
 101
 102                                 my $position = "$file:$line";
 103
 104                                 $line += () = $suffix =~ /\n/g;
 105
 106                                 while (defined $sub)
 107                                 {
 108                                         undef $sub;
 109
 110                                         if ($text =~ /^ ([\n\s]*(?:\.\.[\n\s]*)?) (\[=*\[) /sx)
 111                                         {
 112                                                 my $ws = $1;
 113                                                 my $stag = quotemeta $2;
 114                                                 (my $etag = $stag) =~ y/[/]/;
 115
 116                                                 ($sub, $text) = extract_tagged($text, $stag, $etag, q{\s*(?:\.\.\s*)?});
 117
 118                                                 $line += () = $ws =~ /\n/g;
 119
 120                                                 if (defined($sub) && length($sub)) {
 121                                                         $line += () = $sub =~ /\n/g;
 122
 123                                                         $sub =~ s/^$stag//;
 124                                                         $sub =~ s/$etag$//;
 125                                                         $res .= $sub;
 126                                                 }
 127                                         }
 128                                         elsif ($text =~ /^ ([\n\s]*(?:\.\.[\n\s]*)?) (['"]) /sx)
 129                                         {
 130                                                 my $ws = $1;
 131                                                 my $quote = $2;
 132                                                 my $re = gen_delimited_pat($quote, '\\');
 133
 134                                                 if ($text =~ m/\G\s*(?:\.\.\s*)?($re)/gcs)
 135                                                 {
 136                                                         $sub = $1;
 137                                                         $text = substr $text, pos $text;
 138                                                 }
 139
 140                                                 $line += () = $ws =~ /\n/g;
 141
 142                                                 if (defined($sub) && length($sub)) {
 143                                                         $line += () = $sub =~ /\n/g;
 144
 145                                                         $sub =~ s/^$quote//;
 146                                                         $sub =~ s/$quote$//;
 147                                                         $res .= $sub;
 148                                                 }
 149                                         }
 150                                 }
 151
 152                                 if (defined($res))
 153                                 {
 154                                         $res = dec_lua_str($res);
 155
 156                                         if ($res) {
 157                                                 $stringtable{$res} ||= [ ];
 158                                                 push @{$stringtable{$res}}, $position;
 159                                         }
 160                                 }
 161                         }
 162
 163
 164                         $text = $raw;
 165                         $line = 1;
 166
 167                         while( $text =~ s/ ^ (.*?) <% -? [:_] /<%/sgx )
 168                         {
 169                                 $line += () = $1 =~ /\n/g;
 170
 171                                 ( my $code, $text ) = extract_tagged($text, '<%', '%>');
 172
 173                                 if( defined $code )
 174                                 {
 175                                         my $position = "$file:$line";
 176
 177                                         $line += () = $code =~ /\n/g;
 178
 179                                         $code = dec_tpl_str(substr $code, 2, length($code) - 4);
 180
 181                                         $stringtable{$code} ||= [];
 182                                         push @{$stringtable{$code}}, $position;
 183                                 }
 184                         }
 185                 }
 186         }
 187
 188         close F;
 189 }
 190
 191 if( open F, "find @ARGV -type f -path '*/menu.d/*.json' | sort |" )
 192 {
 193         while( defined( my $file = readline F ) )
 194         {
 195                 chomp $file;
 196
 197                 if( open S, "< $file" )
 198                 {
 199                         binmode S, ':utf8';
 200
 201                         local $/ = undef;
 202                         my $raw = <S>;
 203                         close S;
 204
 205                         my $text = $raw;
 206                         my $line = 1;
 207
 208                         while ($text =~ s/ ^ (.*?) "title" ([\n\s]*) : //sgx)
 209                         {
 210                                 my ($prefix, $suffix) = ($1, $2);
 211                                 my $code;
 212                                 my $res = "";
 213                                 my $sub = "";
 214
 215                                 $line += () = $prefix =~ /\n/g;
 216
 217                                 my $position = "$file:$line";
 218
 219                                 $line += () = $suffix =~ /\n/g;
 220
 221                                 while (defined $sub)
 222                                 {
 223                                         undef $sub;
 224
 225                                         if ($text =~ /^ ([\n\s]*) " /sx)
 226                                         {
 227                                                 my $ws = $1;
 228                                                 my $re = gen_delimited_pat('"', '\\');
 229
 230                                                 if ($text =~ m/\G\s*($re)/gcs)
 231                                                 {
 232                                                         $sub = $1;
 233                                                         $text = substr $text, pos $text;
 234                                                 }
 235
 236                                                 $line += () = $ws =~ /\n/g;
 237
 238                                                 if (defined($sub) && length($sub)) {
 239                                                         $line += () = $sub =~ /\n/g;
 240
 241                                                         $sub =~ s/^"//;
 242                                                         $sub =~ s/"$//;
 243                                                         $res .= $sub;
 244                                                 }
 245                                         }
 246                                 }
 247
 248                                 if (defined($res))
 249                                 {
 250                                         $res = dec_json_str($res);
 251
 252                                         if ($res) {
 253                                                 $stringtable{$res} ||= [ ];
 254                                                 push @{$stringtable{$res}}, $position;
 255                                         }
 256                                 }
 257                         }
 258                 }
 259         }
 260
 261         close F;
 262 }
 263
 264
 265 if( open C, "| msgcat -" )
 266 {
 267         binmode C, ':utf8';
 268
 269         printf C "msgid \"\"\nmsgstr \"Content-Type: text/plain; charset=UTF-8\"\n\n";
 270
 271         foreach my $key ( sort keys %stringtable )
 272         {
 273                 if( length $key )
 274                 {
 275                         my @positions = @{$stringtable{$key}};
 276
 277                         $key =~ s/\\/\\\\/g;
 278                         $key =~ s/\n/\\n/g;
 279                         $key =~ s/\t/\\t/g;
 280                         $key =~ s/"/\\"/g;
 281
 282                         printf C "#: %s\nmsgid \"%s\"\nmsgstr \"\"\n\n",
 283                                 join(' ', @positions), $key;
 284                 }
 285         }
 286
 287         close C;
 288 }