X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/92240b0d1e4434e0981b3326ca4d7ad8673dbf71..c0e4f5e2e9d10f357bc6ef5eac00dec96bc0d2f2:/charset.plp diff --git a/charset.plp b/charset.plp index d3ddea7..e5fdd45 100644 --- a/charset.plp +++ b/charset.plp @@ -1,80 +1,174 @@ -<: -use utf8; -use strict; -use warnings; -use open IO => ':utf8'; - -our $VERSION = '1.0'; - -$header{content_type} = 'text/html; charset=utf-8'; - -:> - +<(common.inc.plp)><: - -charset cheat sheet - - - +Html({ + title => 'charset cheat sheet', + version => 'v1.0', + description => [ + "Reference sheet with all glyphs in common character encoding tables,", + "and an overview of Unicode ranges and UTF-8 bytes.", + ], + keywords => [qw' + charset codepage unicode ascii utf8 latin glyph character encoding + reference common overview table + '], + stylesheet => [qw'light'], +}); - +:>

Character encoding

<: -my $diinfo = do 'digraphs.inc.pl'; -my %di = map { $diinfo->{$_}->[0] => $_ } grep { ref $diinfo->{$_} } - keys %$diinfo; +use Shiar_Sheet::FormatChar; +my $glyphs = Shiar_Sheet::FormatChar->new; -use Encode qw(decode); +use Encode qw(decode resolve_alias); # generate character table(s) # (~16x faster than decoding in loop; # substr strings is twice as fast as splitting to an array) -my @tables = map { decode($_, pack 'C*', 0..255) } 'iso-8859-1'; +my %ALIAS = ( +# default => [qw(unicode utf-8 iso-8859-1 cp437 -cp1252- --iso-8859-15- -koi8-f)], + 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)], +); +my @request = map { + if (my $input = $_) { + my %row = (offset => 0); + 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} ? $row{offset} < 160 ? 159 : 191 : 127; + } + + if ($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 512; + $row{set} = 'Unicode planes'; + $row{cell} = do 'charset-ucplanes.inc.pl'; + } + elsif ($row{set} = resolve_alias($input)) { + if ($row{set} eq 'Internal') { + $row{table} = ' ' x ($endpoint < 255 ? 640 : 4096); + $row{set} = 'Unicode BMP'; + $row{cell} = do 'charset-unicode.inc.pl'; + } + elsif ($row{set} eq 'utf-8-strict') { + $row{table} = undef; + $row{set} = 'UTF-8'; + $row{cell} = do 'charset-utf8.inc.pl'; + } + else { + $row{table} = decode($row{set}, pack 'C*', $row{offset} .. $endpoint); + } + } + else { + print "

Encoding $input unknown

\n"; + } + \%row; + } + else { + (); + } +} map { defined $ALIAS{$_} ? @{ $ALIAS{$_} } : $_ } + $ENV{PATH_INFO} =~ /\w/ ? split(m{[/+\s]}, $ENV{PATH_INFO}) : 'default'; my $NOCHAR = chr 0xFFFD; -sub quote { - local $_ = shift; - s/"/"/g; - s//>/g; - return $_; +for my $cp437 (grep {$request[$_]->{set} eq 'cp437'} 0 .. $#request) { + substr($request[$cp437]->{table}, 237, 1) = pack 'U*', 0x3D5; # phi sign + substr($request[$cp437]->{table}, 0, 32) = pack 'U*', map {hex} qw( + 2007 263A 263B 2665 2666 2663 2660 2022 25D8 25CB 25D9 2642 2640 266A 266B 263C + 25BA 25C4 2195 203C 00B6 00A7 25AC 21A8 2191 2193 2192 2190 221F 2194 25B2 25BC + ); } my @nibble = (0..9, 'A'..'F'); -for my $table (@tables) { - print ''; - for my $section (qw{thead tfoot}) { - print "<$section>

â³"; +for my $row (@request) { + printf '

', !$row->{cell} && ' charmap'; + printf '', $row->{set}; + print '' x 17; + for my $section (qw{thead}) { + print "<$section>'; - for my $msb (0 .. $#nibble) { - print '

%s
â±"; print '	', $_ for @nibble; - print "	\n"; + print "\n"; } print '
', $nibble[$msb]; + for my $msb (0 .. (length($row->{table}) \|\| 256) - 1 >> 4) { + printf '
%X', $msb + ($row->{offset} >> 4); for my $lsb (0 .. $#nibble) { - my $glyph = substr $table, ($msb<<4) + $lsb, 1; + if ($row->{cell}) { + print $row->{cell}->(($msb<<4) + $lsb); + next; + } + + my $glyph = substr $row->{table}, ($msb<<4) + $lsb, 1; if ($glyph eq $NOCHAR) { print '	'; next; } - my $info = [ord $glyph]; - if (defined (my $mnem = $di{ord $glyph})) { - $info = $diinfo->{$mnem}; - } - my ($codepoint, $name, $prop, $script, $string) = @$info; - - $glyph = quote($string \|\| $glyph); - my $desc = sprintf 'U+%04X%s', $codepoint, $name && " ($name)"; - my @class = ('X', grep {$_} $prop, $script); - - $glyph = "$glyph" if $prop eq 'Zs'; - printf "\n".'	%s', - join(' ', @class), quote($desc), $glyph; + print "\n".$glyphs->glyph_cell($glyph); } - print "\n	", $nibble[$msb], "\n"; + print "\n"; } - print "

\n"; + print "

\n"; } +:> +

+ +

+ +

control +

whitespace +

diacritic +

letter +

+

punctuation +

quote +

+

symbol +

math +

currency +

+

numeric +

greek +

latin +

cyrillic +

+

aramaic +

brahmic +

arabic +

+

syllabic +

african +

japanese +

cjk +

chinese +

+

alphabetic +

+ + +

unicode 5.0 +

proposed +

deprecated +

unassigned +

invalid +

+

+