- if ($input =~ /^U([0-9a-f]+)(?:-([0-9a-f]+))?/) {
- my $start = hex($1) << ($2 ? 4 : 8);
- my $end = $2 ? hex($2) << 4 : $start + 240;
- $row{table} = join '', map { chr } $start .. $end+15;
- utf8::upgrade($row{table}); # prevent latin1 output
- $row{set} = sprintf 'Unicode block U+%02Xxx', $start >> 8;
- }
- elsif ($input eq 'U') {
- $row{table} = ' ' x 1024;
- $row{set} = 'Unicode planes';
- $row{cell} = do 'charset-ucplanes.inc.pl'
+sub tabinput {
+ # generate character table(s)
+ my $input = shift or return;
+
+ state $ALIAS = {
+ default => [qw(unicode- utf-8 iso-8859-1 -cp1252-- --iso-8859-15-- cp437 -cp850)],
+ us => [qw( cp437 -cp863 AdobeStandardEncoding gsm0338-- )],
+ ebcdic => [qw( cp37 cp500 cp875 cp1026 cp1047 posix-bc )],
+ westeur => [qw( iso-8859-1 --iso-8859-15-- -cp1252-- --iso-8859-14 -cp850 -MacRoman -nextstep --hp-roman8 )],
+ centeur => [qw( iso-8859-2 --iso-8859-16 -cp1250 -cp852 -MacCentralEurRoman -MacCroatian -MacRomanian )], # MacRumanian only for DB
+ turkish => [qw( iso-8859-3 -iso-8859-9 -cp857 -cp1254 -MacTurkish )],
+ baltic => [qw( iso-8859-4 --iso-8859-13 -cp775 -cp1257 )],
+ nordic => [qw( iso-8859-10 -cp865 --cp861-- -MacIcelandic --MacSami )],
+ cyrillic => [qw( koi8-f -koi8-r- --koi8-u- -iso-8859-5 -cp1251 -MacCyrillic -cp855 -cp866 )], # MacUkrainian is broken
+ arabic => [qw( iso-8859-6 --cp1006 -cp864 -cp1256 MacArabic )], # MacFarsi same as MacArabic?
+ greek => [qw( iso-8859-7 -cp1253 -MacGreek -cp737 -cp869 )],
+ hebrew => [qw( iso-8859-8 -cp1255 -MacHebrew -cp862 )],
+ thai => [qw( iso-8859-11 -cp874-- -MacThai )],
+ vietnamese => [qw( viscii cp1258 MacVietnamese )],
+ symbol => [qw( symbol dingbats MacDingbats AdobeZdingbat AdobeSymbol )],
+ # iso-code shorthand
+ 1 => 'westeur',
+ 2 => 'centeur',
+ 3 => 'turkish',
+ 4 => 'baltic',
+ 5 => 'cyrillic',
+ 6 => 'arabic',
+ 7 => 'greek',
+ 8 => 'hebrew',
+ 9 => 'turkish',
+ 10 => 'nordic',
+ 11 => 'thai',
+ };
+ if (my $follow = $ALIAS->{$input}) {
+ return map { tabinput($_) } ref $follow ? @{$follow} : $follow;
+ }
+
+ my %row = (offset => 0, cols => 16);
+ my $endpoint = 255;
+ if ($input =~ s/^--//) {
+ $row{offset} = $endpoint > 160 ? 160 : 48;
+ }
+ elsif ($input =~ s/^-//) {
+ $row{offset} = $endpoint > 128 ? 128 : 32;
+ }
+ if ($input =~ s/--$//) {
+ $endpoint = $row{offset} ? $row{offset} < 160 ? 159 : 191 : 127;
+ }
+ elsif ($input =~ s/-$//) {
+ $endpoint = 192;
+ }
+ if ($row{offset}) {
+ $row{setnote} = 'over cp437' if $input eq 'cp850';
+ $row{setnote} = 'over iso-8859-1' if $input =~ /^iso-8859-|^cp125/;
+ }
+
+ if ($input =~ /^U([0-9a-f]+)(?:-([0-9a-f]+))?/) {
+ my $start = hex($1) << ($2 ? 4 : 8);
+ my $end = $2 ? hex($2) << 4 : $start + 240;
+ $row{table} = join '', map { chr } $start .. $end+15;
+ utf8::upgrade($row{table}); # prevent latin1 output
+ $row{set} = sprintf 'Unicode block U+%02Xxx', $start >> 8;
+ }
+ elsif ($input eq 'U') {
+ $row{table} = ' ' x 1024;
+ $row{set} = 'Unicode planes';
+ $row{cell} = do 'charset-ucplanes.inc.pl'
+ or Alert('Table data could not be read', $@ || $!);
+ $row{cols} *= 2;
+ }
+ elsif ($row{set} = Encode::resolve_alias($input)) {
+ if ($row{set} eq 'Internal') {
+ $row{table} = ' ' x ($endpoint < 255 ? 640 : 8192);
+ $row{set} = 'Unicode BMP';
+ $row{cell} = do 'charset-unicode.inc.pl'