charset: numeric offset parameters

[sheet.git] / charset.plp

diff --git a/charset.plp b/charset.plp
index 42d6a14f509972e6b034a504edc0b7ccb9e82ef5..7794284f7ff685f4db1f6ef2279a249841dfc76b 100644 (file)
--- a/charset.plp
+++ b/charset.plp
@@ -30,28 +30,45 @@ sub tabinput {
        my $input = shift or return;
 
        state $ALIAS = {
-               default => [qw(unicode- utf-8 iso-8859-1 -cp1252- --iso-8859-15- cp437 -cp850)],
-               0 => [qw(cp437 -cp863)],
-               1 => [qw(iso-8859-1 -cp1252 -MacRoman -cp850)],
-               2 => [qw(iso-8859-2 -cp1250 -cp852 -MacCentralEurRoman -MacCroatian -MacRumanian)],
-               5 => [qw(koi8-f -iso-8859-5 -cp1251 -MacCyrillic -cp855 -cp866)],
-               7 => [qw(iso-8859-7 -cp1253 -MacGreek -cp737 -cp869)],
-               8 => [qw(iso-8859-8 -cp1255 -MacHebrew -cp862)],
+               default    => [qw( unicode+0-192 utf-8 iso-8859-1 cp1252+128-159 iso-8859-15+160-191 cp437 cp850+128 )],
+               us         => [qw( cp437 cp863+128 AdobeStandardEncoding gsm0338+0-127 )],
+               ebcdic     => [qw( cp37 cp500  cp875  cp1026  cp1047  posix-bc )],
+               westeur    => [qw( iso-8859-1 iso-8859-15+160-191 cp1252+128-159 iso-8859-14+160 cp850+128 MacRoman+128 nextstep+128 hp-roman8+160 )],
+               centeur    => [qw( iso-8859-2 iso-8859-16+160 cp1250+128 cp852+128 MacCentralEurRoman+128 MacCroatian+128 MacRomanian+128 )], # MacRumanian only for DB
+               turkish    => [qw( iso-8859-3 iso-8859-9+128 cp857+128 cp1254+128 MacTurkish+128 )],
+               baltic     => [qw( iso-8859-4 iso-8859-13+160 cp775+128 cp1257+128 )],
+               nordic     => [qw( iso-8859-10 cp865+128 cp861+160-191 MacIcelandic+128 MacSami+160 )],
+               cyrillic   => [qw( koi8-f koi8-r+128-192 koi8-u+160-192 iso-8859-5+128 cp1251+128 MacCyrillic+128 cp855+128 cp866+128 )], # MacUkrainian is broken
+               arabic     => [qw( iso-8859-6 cp1006+160 cp864+128 cp1256+128 MacArabic )], # MacFarsi same as MacArabic?
+               greek      => [qw( iso-8859-7 cp1253+128 MacGreek+128 cp737+128 cp869+128 )],
+               hebrew     => [qw( iso-8859-8 cp1255+128 MacHebrew+128 cp862+128 )],
+               thai       => [qw( iso-8859-11 cp874+128-159 MacThai+128 )],
+               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($_) } @{$follow};
+               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;
+       my $params = $input =~ s/[+](.*)\z// ? $1 : undef;
+
+       if (defined $params and $params =~ m/^ (\d+) (-\d+)? /x) {
+               $row{offset} = $1;
+               $endpoint = -$2 if $2;
        }
        if ($row{offset}) {
                $row{setnote} = 'over cp437' if $input eq 'cp850';