X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/98699865db67c9772d2a56571e8ddcaee5a5e7bd..a8a1b6ccabca261ce3335b1f233cf0146bd0fab1:/charset.plp diff --git a/charset.plp b/charset.plp index 2dc6964..7794284 100644 --- a/charset.plp +++ b/charset.plp @@ -1,749 +1,280 @@ -<: -use utf8; -use strict; -use warnings; -use open IO => ':utf8'; - -our $VERSION = '1.0'; +<(common.inc.plp)><: -$header{content_type} = 'text/html; charset=utf-8'; +Html({ + title => 'charset cheat sheet', + version => '1.0', + 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'], + data => [qw'charset-unicode.inc.pl charset-utf8.inc.pl'], +}); -:> - +my @tablist = split /[^\w-]+/, $Request || 'default'; - -charset cheat sheet - - - - - +:>

Character encoding

<: -my $diinfo = do 'digraphs.inc.pl'; -my %di = map { $diinfo->{$_}->[0] => $_ } grep { ref $diinfo->{$_} } - keys %$diinfo; +use POSIX qw( ceil ); +use Shiar_Sheet::FormatChar; +my $glyphs = Shiar_Sheet::FormatChar->new; -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 %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; +sub tabinput { + # generate character table(s) + my $input = shift or return; + + state $ALIAS = { + 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($_) } ref $follow ? @{$follow} : $follow; + } + + my %row = (offset => 0, cols => 16); + my $endpoint = 255; + 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'; + $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' + or Alert('Table data could not be read', $@ || $!); } - if ($input =~ s/-$//) { - $endpoint = $row{offset} ? $row{offset} < 160 ? 159 : 191 : 127; - } - if ($row{set} = resolve_alias($input)) { - if ($row{set} eq 'Internal') { - $row{table} = ' ' x ($endpoint < 255 ? 640 : 4096); - $row{set} = 'Unicode BMP'; - } - elsif ($row{set} eq 'utf-8-strict') { - $row{table} = undef; - $row{set} = 'UTF-8'; - } - else { - $row{table} = decode($row{set}, pack 'C*', $row{offset} .. $endpoint); - } + elsif ($row{set} eq 'utf-8-strict') { + $row{table} = undef; + $row{set} = 'UTF-8'; + $row{cell} = do 'charset-utf8.inc.pl' + or Alert('Table data could not be read', $@ || $!); } else { - print "

Encoding $input unknown

\n"; + $row{table} = Encode::decode($row{set}, pack 'C*', $row{offset} .. $endpoint); + # (~16x faster than decoding in loop; + # substr strings is twice as fast as splitting to an array) + + if ($row{set} eq 'cp437') { + 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 + 25D8 25CB 25D9 2642 2640 266A 266B 263C + 25BA 25C4 2195 203C 00B6 00A7 25AC 21A8 + 2191 2193 2192 2190 221F 2194 25B2 25BC + ); + } } - \%row; } else { - (); + Alert("Encoding $input unknown"); + return; } -} map { defined $ALIAS{$_} ? @{ $ALIAS{$_} } : $_ } - $ENV{PATH_INFO} =~ /\w/ ? split(m{[/+\s]}, $ENV{PATH_INFO}) : 'default'; + return \%row; +} +my @request = map { tabinput($_) } @tablist; + my $NOCHAR = chr 0xFFFD; -for my $cp437 (grep {$request[$_]->{set} eq 'cp437'} 0 .. $#request) { - substr($request[$cp437]->{table}, 237, 1) = pack 'U*', 0x3D5; # phi sign - substr($request[$cp437]->{table}, 0, 32) = pack 'U*', map {hex} qw( - 2007 263A 263B 2665 2666 2663 2660 2022 25D8 25CB 25D9 2642 2640 266A 266B 263C - 25BA 25C4 2195 203C 00B6 00A7 25AC 21A8 2191 2193 2192 2190 221F 2194 25B2 25BC - ); -} +sub range_cell { + my ($info, $offset) = @_; + my $table = $info->{cell} or return; + my $def = $table->{$offset} or return; + my ($len, $class, $name, $title) = @{$def}; -sub quote { - local $_ = shift; - s/"/"/g; - s//>/g; - return $_; -} + my $cols = $info->{cols}; + my $colsize = $table->{colsize} || 1; + my $attr = ''; + $len /= $colsize; + $name //= $len <= 2 ? 'res' : 'reserved'; -sub printcell_unicode { - my ($value) = @_; - if ($value > 0xFFF) { - print "\n".'?'; - } - elsif ($value == 0) { - print 'control'; - } - elsif ($value == 2) { - print 'comn'; - } - elsif ($value == 4) { - print 'basic latin'; - } - elsif ($value == 8) { - print 'control'; - } - elsif ($value == 10) { - print 'comn'; - } - elsif ($value == 12) { - print 'latin1'; - } - elsif ($value == 0x10) { - print 'latin extended-A'; - } - elsif ($value == 0x18) { - print 'latin extended-B'; - } - elsif ($value == 0x20) { - print 'latin ext-B'; - } - elsif ($value == 0x25) { - print 'IPA'; - } - elsif ($value == 0x2B) { - print 'spacing modifier'; - } - elsif ($value == 0x30) { - print 'diacritics'; - } - elsif ($value == 0x38) { - print 'greek'; - } - elsif ($value == 0x40) { - print 'cyrillic'; - } - elsif ($value == 0x50) { - print 'cyrillic+'; - } - elsif ($value == 0x53) { - print 'armenian'; - } - elsif ($value == 0x58) { - print 'hebrew'; - } - elsif ($value == 0x60) { - print 'arabic'; - } - elsif ($value == 0x70) { - print 'syriac'; - } - elsif ($value == 0x75) { - print 'arabic+'; - } - elsif ($value == 0x78) { - print 'thaana'; - } - elsif ($value == 0x7C) { - print 'n\'ko'; - } - elsif ($value == 0x80) { - print 'samaritan'; - } - elsif ($value == 0x84) { - print 'manda'; - } - elsif ($value == 0x86) { - print 'reserved'; - } - elsif ($value == 0x90) { - print 'devanagari'; - } - elsif ($value == 0x98) { - print 'bengali'; - } - elsif ($value == 0xA0) { - print 'gurmukhi'; - } - elsif ($value == 0xA8) { - print 'gujarati'; - } - elsif ($value == 0xB0) { - print 'oriya'; - } - elsif ($value == 0xB8) { - print 'tamil'; - } - elsif ($value == 0xC0) { - print 'telugu'; - } - elsif ($value == 0xC8) { - print 'kannada'; - } - elsif ($value == 0xD0) { - print 'malayalam'; - } - elsif ($value == 0xD8) { - print 'sinhala'; - } - elsif ($value == 0xE0) { - print 'thai'; - } - elsif ($value == 0xE8) { - print 'lao'; - } - elsif ($value == 0xF0) { - print 'tibetan'; - } - elsif ($value == 0x100) { - print 'myanmar'; - } - elsif ($value == 0x10A) { - print 'georgian'; - } - elsif ($value == 0x110) { - print 'hangeul jamo'; - } - elsif ($value == 0x120) { - print 'ethiopic'; - } - elsif ($value == 0x130) { - print 'ethiopic'; - } - elsif ($value == 0x138) { - print 'eth+'; - } - elsif ($value == 0x13A) { - print 'cherokee'; - } - elsif ($value == 0x140) { - print 'unified canadian aboriginal syllabics'; - } - elsif ($value == 0x160) { - print 'unified canadian syllabics'; - } - elsif ($value == 0x168) { - print 'ogham'; - } - elsif ($value == 0x16A) { - print 'runic'; - } - elsif ($value == 0x170) { - print 'tagalog'; - } - elsif ($value == 0x172) { - print 'hanun'; - } - elsif ($value == 0x174) { - print 'buhid'; - } - elsif ($value == 0x176) { - print 'tagb'; - } - elsif ($value == 0x178) { - print 'khmer'; - } - elsif ($value == 0x180) { - print 'mongolian'; - } - elsif ($value == 0x18B) { - print 'canadian+'; - } - elsif ($value == 0x190) { - print 'limbu'; - } - elsif ($value == 0x195) { - print 'tai le'; - } - elsif ($value == 0x198) { - print 'new tai lue'; - } - elsif ($value == 0x19E) { - print 'km'; - } - elsif ($value == 0x1A0) { - print 'lontara'; - } - elsif ($value == 0x1A2) { - print 'tai tham'; - } - elsif ($value == 0x1AB) { - print 'reserved'; - } - elsif ($value == 0x1B0) { - print 'balinese'; - } - elsif ($value == 0x1B8) { - print 'sundanese'; - } - elsif ($value == 0x1BC) { - print 'batak'; - } - elsif ($value == 0x1C0) { - print 'lepcha'; - } - elsif ($value == 0x1C5) { - print 'ol chiki'; - } - elsif ($value == 0x1C8) { - print 'reserved'; - } - elsif ($value == 0x1CD) { - print 'vedic'; - } - elsif ($value == 0x1D0) { - print 'phonetic'; - } - elsif ($value == 0x1D8) { - print 'phonetic+'; - } - elsif ($value == 0x1DC) { - print 'combining'; - } - elsif ($value == 0x1E0) { - print 'latin extended additional'; - } - elsif ($value == 0x1F0) { - print 'greek+'; - } - elsif ($value == 0x200) { - print 'general punctuation'; - } - elsif ($value == 0x207) { - print 'suþscript'; # suth now means "sub and/or sup" - } - elsif ($value == 0x20A) { - print 'currency'; - } - elsif ($value == 0x20D) { - print 'overlay'; - } - elsif ($value == 0x210) { - print 'letterlike'; - } - elsif ($value == 0x215) { - print 'number'; - } - elsif ($value == 0x219) { - print 'arrows'; - } - elsif ($value == 0x220) { - print 'mathematical symbols'; - } - elsif ($value == 0x230) { - print 'miscellaneous technical'; - } - elsif ($value == 0x240) { - print 'control'; - } - elsif ($value == 0x244) { - print 'OCR'; - } - elsif ($value == 0x246) { - print 'enclosed alphanumerics'; - } - elsif ($value == 0x250) { - print 'box drawing'; - } - elsif ($value == 0x258) { - print 'blocks'; - } - elsif ($value == 0x25A) { - print 'geometric shapes'; - } - elsif ($value == 0x260) { - print 'miscellaneous symbols'; - } - elsif ($value == 0x270) { - print 'dingbats'; - } - elsif ($value == 0x27C) { - print 'maths-A'; - } - elsif ($value == 0x27F) { - print 'arr'; - } - elsif ($value == 0x280) { - print 'braille'; - } - elsif ($value == 0x290) { - print 'supplemental arrows-B'; - } - elsif ($value == 0x298) { - print 'mathematical symbols-B'; - } - elsif ($value == 0x2A0) { - print 'supplemental mathematical operators'; - } - elsif ($value == 0x2B0) { - print 'miscellaneous symbols and arrows'; - } - elsif ($value == 0x2C0) { - print 'glagolitic'; - } - elsif ($value == 0x2C6) { - print 'latin-C'; - } - elsif ($value == 0x2C8) { - print 'coptic'; - } - elsif ($value == 0x2D0) { - print 'georgian+'; - } - elsif ($value == 0x2D3) { - print 'tifinagh'; #TODO: proto-canaanite - } - elsif ($value == 0x2D8) { - print 'ethiopic+'; - } - elsif ($value == 0x2DE) { - print 'cyrl-A'; - } - elsif ($value == 0x2E0) { - print 'punctuation+'; - } - elsif ($value == 0x2E8) { - print 'cjk radicals'; - } - elsif ($value == 0x2F0) { - print 'kangxi radicals'; - } - elsif ($value == 0x2FE) { - print ''; - } - elsif ($value == 0x2FF) { - print 'idc'; - } - elsif ($value == 0x300) { - print 'cjk misc'; - } - elsif ($value == 0x304) { - print 'hiragana'; - } - elsif ($value == 0x30A) { - print 'katakana'; - } - elsif ($value == 0x310) { - print 'bopomofo'; - } - elsif ($value == 0x313) { - print 'hangeul compat'; - } - elsif ($value == 0x319) { - print 'kbn'; - } - elsif ($value == 0x31A) { - print 'bpmf'; - } - elsif ($value == 0x31C) { - print 'strokes'; - } - elsif ($value == 0x31F) { - print 'k+'; - } - elsif ($value == 0x320) { - print 'enclosed cjk characters'; - } - elsif ($value == 0x330) { - print 'cjk compatibility'; - } - elsif ($value == 0x340) { - print 'cjk unified ideographs extension A'; - } - elsif ($value == 0x4D0) { - print 'cjk unified ideographs extension A'; - } - elsif ($value == 0x4DC) { - print 'hexagrams'; - } - elsif ($value == 0x4E0) { - print 'cjk unified ideographs'; - } - elsif ($value == 0xA00) { - print 'yi'; - } - elsif ($value == 0xA40) { - print 'yi'; - } - elsif ($value == 0xA49) { - print 'yi radicals'; - } - elsif ($value == 0xA4D) { - print 'lisu'; - } - elsif ($value == 0xA50) { - print 'vai'; - } - elsif ($value == 0xA60) { - print 'vai'; - } - elsif ($value == 0xA64) { - print 'cyrillic extended-B'; - } - elsif ($value == 0xA6A) { - print 'bamum'; - } - elsif ($value == 0xA70) { - print 'tones'; - } - elsif ($value == 0xA72) { - print 'latin extended-D'; - } - elsif ($value == 0xA80) { - print 'sylheti'; - } - elsif ($value == 0xA83) { - print 'in'; - } - elsif ($value == 0xA84) { - print 'phags-pa'; - } - elsif ($value == 0xA88) { - print 'saurashtra'; - } - elsif ($value == 0xA8E) { - print 'deva+'; - } - elsif ($value == 0xA90) { - print 'kayah li'; - } - elsif ($value == 0xA93) { - print 'rejang'; - } - elsif ($value == 0xA96) { - print 'jamo-A'; - } - elsif ($value == 0xA98) { - print 'javanese'; - } - elsif ($value == 0xA9E) { - print 'res'; - } - elsif ($value == 0xAA0) { - print 'cham'; - } - elsif ($value == 0xAA6) { - print 'mym-A'; - } - elsif ($value == 0xAA8) { - print 'tai viet'; - } - elsif ($value == 0xAAE) { - print 'mtei+'; - } - elsif ($value == 0xAB0) { - print 'reserved'; - } - elsif ($value == 0xABC) { - print 'manipuri'; - } - elsif ($value == 0xAC0) { - print 'hangeul syllables'; - } - elsif ($value == 0xD70) { - print 'hangeul syllables'; - } - elsif ($value == 0xD7B) { - print 'haungeul jamo-B'; - } - elsif ($value == 0xD80) { - print 'high surrogates'; - } - elsif ($value == 0xDC0) { - print 'low surrogates'; - } - elsif ($value == 0xE00) { - print 'private use'; - } - elsif ($value == 0xF90) { - print 'cjk compatibility ideographs'; - } - elsif ($value == 0xFB0) { - print 'presentation'; - } - elsif ($value == 0xFB5) { - print ''; - } - elsif ($value == 0xFC0) { - print 'arabic presentation forms A'; - } - elsif ($value == 0xFD0) { - print ''; - } - elsif ($value == 0xFDD) { - print '?'; - } - elsif ($value == 0xFDF) { - print ''; - } - elsif ($value == 0xFE0) { - print 'var'; - } - elsif ($value == 0xFE1) { - print 'ver'; - } - elsif ($value == 0xFE2) { - print '½'; - } - elsif ($value == 0xFE3) { - print 'comp'; - } - elsif ($value == 0xFE5) { - print 'small'; - } - elsif ($value == 0xFE7) { - print 'arabic presentation B'; - } - elsif ($value == 0xFF0) { - print 'halfwidth & fullwidth forms'; - } - elsif ($value == 0xFFF) { - print 'sp'; + if (my $part = $offset/$colsize % $cols) { + # continued row + my $rest = $cols - $part; # remaining + $rest = $len if $len < $rest; #TODO: optimise + if ($len -= $rest) { + # continued on new row + my @next = ($len * $colsize, "$class joinu"); + if ($len > $rest) { + # minority remains + push @next, $name, $title; + $title ||= $name; + $name = ''; + } + else { + # minority on next row + push @next, '"', $title || $name; + } + $table->{$offset + $colsize*$rest} //= \@next; + $class .= ' joind'; + } + $len = $rest; + } + elsif (my $rows = int($len / $cols)) { + # multiple full rows + if ($len -= $rows * $cols) { + # partial row remains + $table->{$offset + $colsize*$rows * $cols} //= [$len*$colsize, "$class joinu", '', $title]; + $class .= ' joind'; + } + $attr .= sprintf ' rowspan=%d', $rows; + $len = $cols; } -} -sub printcell_utf8 { - my ($value) = @_; - if ($value <= 0x7F) { - print 'single byte ASCII' - if $value == 0; - } - elsif ($value <= 0xBF) { - print 'multi-byte continuation' - if $value == 0x80; - } - elsif ($value <= 0xC1) { - print '(overl.)' - if $value == 0xC0; - } - elsif ($value <= 0xDF) { - print '2-byte sequence start' - if $value == 0xC2; - print '' - if $value == 0xD0; - } - elsif ($value <= 0xEF) { - print '3-byte sequence start' - if $value == 0xE0; - } - elsif ($value <= 0xF4) { - print '4-byte sequence' - if $value == 0xF0; - } - elsif ($value <= 0xF7) { - print '(overflow)' - if $value == 0xF5; - } - elsif ($value <= 0xFB) { - print '5-byte' - if $value == 0xF8; - } - elsif ($value <= 0xFD) { - print '6-byte' - if $value == 0xFC; - } - elsif ($value <= 0xFF) { - print 'invalid' - if $value == 0xFE; - } - else { - print "\n".'?'; - } + $attr .= sprintf ' colspan=%d', $len unless $len == 1; + $attr .= $1 if $class and $class =~ s/( \w+="[^"]*")//; + $attr .= sprintf ' class="%s"', $class if $class; + $attr .= sprintf ' title="%s"', EscapeHTML($title) if $title; + return "$name"; } -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 7.0 + proposed + deprecated + unassigned + invalid +
+
-