X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/ccf2f210912568cc5c5188a821de5a48368021a5..e820f6a05d69c58ef45833941336f840d1c97296:/charset.plp?ds=sidebyside diff --git a/charset.plp b/charset.plp index 92b918f..f80a250 100644 --- a/charset.plp +++ b/charset.plp @@ -24,25 +24,29 @@ my @tablist = split /[^\w-]+/, $Request || 'default'; use POSIX qw( ceil ); use Shiar_Sheet::FormatChar; my $glyphs = Shiar_Sheet::FormatChar->new; +my @request; sub tabinput { # generate character table(s) my $input = shift or return; state $ALIAS = { - default => [qw(unicode- utf-8 iso-8859-1 -cp1252-- --iso-8859-15-- cp437 -cp850)], - us => [qw( cp437 -cp863 AdobeStandardEncoding gsm0338-- )], - ebcdic => [qw( cp37 cp500 cp875 cp1026 cp1047 posix-bc )], - westeur => [qw( iso-8859-1 --iso-8859-15-- -cp1252-- --iso-8859-14 -cp850 -MacRoman -nextstep --hp-roman8 )], - centeur => [qw( iso-8859-2 --iso-8859-16 -cp1250 -cp852 -MacCentralEurRoman -MacCroatian -MacRomanian )], # MacRumanian only for DB - turkish => [qw( iso-8859-3 -iso-8859-9 -cp857 -cp1254 -MacTurkish )], - baltic => [qw( iso-8859-4 --iso-8859-13 -cp775 -cp1257 )], - nordic => [qw( iso-8859-10 -cp865 --cp861-- -MacIcelandic --MacSami )], - cyrillic => [qw( koi8-f -koi8-r- --koi8-u- -iso-8859-5 -cp1251 -MacCyrillic -cp855 -cp866 )], # MacUkrainian is broken - arabic => [qw( iso-8859-6 --cp1006 -cp864 -cp1256 MacArabic )], # MacFarsi same as MacArabic? - greek => [qw( iso-8859-7 -cp1253 -MacGreek -cp737 -cp869 )], - hebrew => [qw( iso-8859-8 -cp1255 -MacHebrew -cp862 )], - thai => [qw( iso-8859-11 -cp874-- -MacThai )], + default => [qw( unicode+0-192 utf-8 iso-8859-1 iso-8859-15 cp1252 cp437 cp850 )], + us => [qw( cp437 cp863 AdobeStandardEncoding gsm0338 )], + ebcdic => [qw( cp37 cp500 cp875 cp1026 cp1047 posix-bc )], + iso => [map {"iso-8859-$_"} 1 .. 11, 13 .. 16], + dos => [qw( cp437 cp863 cp850 cp860 cp852 cp855 cp866 cp864 cp1006 cp737 cp869 cp862 cp862 cp857 cp865 cp861 cp874 cp775 )], + + westeur => [qw( iso-8859-1 iso-8859-15 cp1252 iso-8859-14 cp850 hp-roman8 nextstep MacRoman )], + centeur => [qw( iso-8859-2 iso-8859-16 cp1250 cp852 MacRomanian MacCroatian MacCentralEurRoman )], # MacRumanian only for DB + turkish => [qw( iso-8859-9 iso-8859-3 cp1254 cp857 MacTurkish )], + baltic => [qw( iso-8859-4 iso-8859-13 cp1257 cp775 )], + 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 @@ -59,26 +63,73 @@ sub tabinput { 11 => 'thai', }; if (my $follow = $ALIAS->{$input}) { - return map { tabinput($_) } ref $follow ? @{$follow} : $follow; + tabinput($_) for ref $follow ? @{$follow} : $follow; + return; } + state $visible = {}; # all present tables 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; + my $params = $input =~ s/[+](.*)\z// ? $1 : undef; + + if (not defined $params) { + use List::Util qw( first pairfirst pairs ); + + state $INHERIT = { + 'cp437' => ['cp850' => 0], # ascii range overridden later + 'gsm0338' => ['ascii' => '0-127'], + + 'iso-8859-2' => ['iso-8859-1' => '160'], + 'iso-8859-3' => ['iso-8859-1' => '160'], + 'iso-8859-4' => ['iso-8859-2' => '160'], + 'iso-8859-5' => ['iso-8859-1' => '160'], + 'iso-8859-6' => ['iso-8859-1' => '160'], + 'iso-8859-7' => ['iso-8859-1' => '160'], + 'iso-8859-8' => ['iso-8859-1' => '160'], + 'iso-8859-9' => ['iso-8859-1' => '208'], + 'iso-8859-10' => ['iso-8859-4' => '160'], + 'iso-8859-11' => ['iso-8859-1' => '160'], + 'iso-8859-13' => ['iso-8859-4' => '160'], + 'iso-8859-14' => ['iso-8859-1' => '160'], + 'iso-8859-15' => ['iso-8859-1' => '160-191'], + 'iso-8859-16' => ['iso-8859-2' => '160'], + + 'cp1252' => ['iso-8859-1' => '128-159'], + 'cp1250' => ['iso-8859-2' => '128-191'], + 'cp1254' => ['iso-8859-9' => '128-159'], + 'cp1257' => ['iso-8859-13' => '128-'], + + 'cp850' => ['cp437' => '144'], + 'cp865' => ['cp437' => '144-176'], + 'cp852' => ['cp850' => '128', 'cp437' => '128'], + 'cp857' => ['cp850' => '128-239', 'cp437' => '128'], + 'cp775' => ['cp850' => '128'], # partial cp437 + + 'MacRomanian' => ['MacRoman' => '160'], + 'MacCroatian' => ['MacRoman' => '160'], + 'MacCentralEurRoman' => ['MacRoman' => '128'], + 'MacTurkish' => ['MacRoman' => '208-223'], # F5 is unassigned + }; + + my @parents = @{ $INHERIT->{$input} || [] }; + + if (my ($parent, $part) = pairfirst { $visible->{$a} } @parents) { + $row{parent} = $parent; + $params = $part; + } + elsif ($visible->{ascii}) { + $row{parent} = $parents[0] || 'ascii'; + $params = $parents[1] || 128; + $params = 128 if $params >= 128; # ascii offset at most + } + elsif (@parents) { + $row{parent} = $parents[0]; + } } - if ($row{offset}) { - $row{setnote} = 'over cp437' if $input eq 'cp850'; - $row{setnote} = 'over iso-8859-1' if $input =~ /^iso-8859-|^cp125/; + + if (defined $params and $params =~ m/^ (\d+) (-\d+)? /x) { + $row{offset} = $1; + $endpoint = -$2 if $2; } if ($input =~ /^U([0-9a-f]+)(?:-([0-9a-f]+))?/) { @@ -113,7 +164,7 @@ sub tabinput { # (~16x faster than decoding in loop; # substr strings is twice as fast as splitting to an array) - if ($row{set} eq 'cp437') { + if ($row{set} eq 'cp437' and !$row{offset}) { substr($row{table}, 237, 1) = pack 'U*', 0x3D5; # phi sign substr($row{table}, 0, 32) = pack 'U*', map {hex} qw( 2007 263A 263B 2665 2666 2663 2660 2022 @@ -122,15 +173,18 @@ sub tabinput { 2191 2193 2192 2190 221F 2194 25B2 25BC ); } + + $visible->{ascii} = # assume common base + $visible->{ $row{set} } = 1; } } else { Alert("Encoding $input unknown"); return; } - return \%row; + push @request, \%row; } -my @request = map { tabinput($_) } @tablist; +tabinput($_) for @tablist; my $NOCHAR = chr 0xFFFD; @@ -197,7 +251,8 @@ for my $row (@request) { printf '
', !$row->{cell} && ' charmap'; my $title = $row->{set}; - $title .= " " for $row->{setnote} // (); + $title .= " " + for grep { $_ ne 'iso-8859-1' } $row->{parent} // (); printf '', $title; print '' x ($cols + 1); for my $section (qw{thead}) {
%s