X-Git-Url: http://git.shiar.net/sheet.git/blobdiff_plain/cc3aea5b110f944ce10a22cdea96a0b3f6da15c9..2a99bcdadec88d7483903e2c8420ad3e78fcb805:/charset.plp diff --git a/charset.plp b/charset.plp index 15183cf..d25f23c 100644 --- a/charset.plp +++ b/charset.plp @@ -12,174 +12,490 @@ Html({ reference common overview table '], stylesheet => [qw'light'], - data => [qw'charset-unicode.inc.pl charset-utf8.inc.pl'], + data => [qw'charset-unicode.inc.pl charset-ucplanes.inc.pl charset-utf8.inc.pl'], }); +my @tablist = split m{/+}, $Request || 'default'; + +use List::Util qw( first pairmap pairfirst pairs ); + :> -
<: +if ($tablist[0] eq 'default') { + say "Overview of Unicode allocation and common latin code pages."; + say "Compare alternate charsets:"; +} +else { + say "Charset comparison:"; +} + +sub optionlink { + my ($title, $href, $selected) = @_; + return sprintf( + $selected ? '%s' : '%s', + EscapeHTML($title), $href + ); +} + +print join " â¢\n", ( + map { + join " ·\n", pairmap { + optionlink($b || ucfirst $a, '/charset'.($a && "/$a?compare"), $a eq $Request); + } @{$_} + } + [ + iso => 'ISO', + win => 'Windows', + dos => 'DOS', + mac => 'Apple', + ebcdic => 'EBCDIC', + $tablist[0] eq 'default' ? () : ('' => 'common'), + ], + [ + westeur => 'West', + centeur => 'Central', + norteur => 'North European', + turkish => 0, + greek => 0, + cyrillic => 0, + hebrew => 0, + ], +); +:>. +
+ +<: +use POSIX qw( ceil ); use Shiar_Sheet::FormatChar; my $glyphs = Shiar_Sheet::FormatChar->new; -my @nibble = (0..9, 'A'..'F'); -my $nibsize = 1; - -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} = $endpoint > 128 ? 128 : 32; - } - if ($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 1024; - $row{set} = 'Unicode planes'; - $row{cell} = do 'charset-ucplanes.inc.pl'; - @nibble = (map { $_.0, $_.8 } 0 .. 7); - $nibsize = 8; - } - elsif ($row{set} = resolve_alias($input)) { - if ($row{set} eq 'Internal') { - $row{table} = ' ' x ($endpoint < 255 ? 640 : 8192); - $row{set} = 'Unicode BMP'; - $row{cell} = do 'charset-unicode.inc.pl'; - } - elsif ($row{set} eq 'utf-8-strict') { - $row{table} = undef; - $row{set} = 'UTF-8'; - $row{cell} = do 'charset-utf8.inc.pl'; +my @request; + +sub tabinput { + # generate character table(s) + my $input = shift or return; + + state $ALIAS = { + default => [qw( u+0-639 utf-8+realsize iso-8859-1 iso-8859-15 cp1252 cp437 cp850 )], + unicode => [qw( uu+cols=32+realsize u+0-4095 u+4096-6319 u+6320-8191 )], + us => [qw( cp437 cp863 gsm0338 AdobeStandardEncoding )], + ebcdic => [qw( cp37 cp500 cp1047 posix-bc cp1026 cp875 )], + iso => [map {"iso-8859-$_"} 1 .. 11, 13 .. 16], + dos => [qw( cp437 cp865 cp861 cp860 cp863 cp850 cp857 cp852 cp775 + cp737 cp869 cp866 cp855 cp862 cp864 )], + aix => [qw( cp1006 )], + win => [qw( cp1252 cp1250 cp1254 cp1257 cp1258 cp1253 cp1251 cp1255 cp1256 cp874 )], + mac => [qw( MacRoman MacRomanian MacRumanian MacCroatian MacCentralEurRoman MacTurkish MacIcelandic MacSami + MacGreek MacCyrillic MacHebrew MacArabic MacFarsi MacThai )], + + # languages + 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 )], + norteur => [qw( baltic nordic )], + baltic => [qw( iso-8859-4 iso-8859-13 cp1257 cp775 )], + nordic => [qw( iso-8859-10 cp865 cp861 MacIcelandic MacSami )], + cyrillic => [qw( koi8-r koi8-u koi8-f iso-8859-5 cp1251 MacCyrillic cp866 cp855 + U4 U2DE-2DF UA64-A69 U50-52 )], # MacUkrainian is broken + arabic => [qw( iso-8859-6 cp1256 MacArabic cp864 cp1006 MacFarsi + U6 U8A-8F+0-31+64 U75-77 )], + greek => [qw( iso-8859-7 cp1253 MacGreek cp737 cp869 U37-3F U1F )], + hebrew => [qw( iso-8859-8 cp1255 MacHebrew cp862 U59-5F )], + thai => [qw( iso-8859-11 cp874 MacThai )], + vietnamese => [qw( viscii cp1258 MacVietnamese )], + symbols => [qw( symbol dingbats MacDingbats )], + + # 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}) { + tabinput($_) for ref $follow ? @{$follow} : $follow; + return; + } + + state $visible = {'' => 1}; # all present tables + my %row = (offset => 0, cols => 16); + my $params = $input =~ s/[+](.*)\z// ? $1 : undef; + + if (not defined $params) { + state $INHERIT = { + 'cp437' => ['cp850' => 0, 'ascii' => '0-31+128'], # ascii range overridden later + 'gsm0338' => ['ascii' => '0-127'], + 'dingbats' => ['' => '32-127+160'], + 'MacDingbats' => ['dingbats' => '128-159'], + 'AdobeZdingbat'=> ['MacDingbats' => '128-159'], # should be identical but maps to private use + 'symbol' => ['' => '32-127+160'], + 'AdobeSymbol' => ['symbol' => '32-127+160', '' => '32-127+160'], # minor differences, irrelevant except for different 'â¬' + + 'iso-8859-2' => ['iso-8859-1' => '160'], + 'iso-8859-3' => ['iso-8859-1' => '160'], #TODO: also apply to iso-8859-9 + 'iso-8859-4' => ['iso-8859-2' => '160'], + 'iso-8859-5' => ['iso-8859-1' => '160'], + 'iso-8859-6' => ['cp1256' => '128', 'iso-8859-1' => '160'], + 'iso-8859-7' => ['iso-8859-1' => '160'], + 'iso-8859-8' => ['iso-8859-1' => '160'], + 'iso-8859-9' => ['iso-8859-1' => '208-223+240'], + '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'], + 'hp-roman8' => ['iso-8859-1' => '160'], + + 'cp1252' => ['iso-8859-1' => '128-159'], + 'cp1250' => ['iso-8859-2' => '128-191', 'cp1252' => '128'], + 'cp1254' => ['iso-8859-9' => '128-159', 'cp1252' => '128-159+208'], + 'cp874' => ['iso-8859-11' => '128-159', 'cp1252' => '128'], # windows-874 actually cp1162 + 'cp1257' => ['iso-8859-13' => '128-159+255', 'cp1252' => '128'], + 'cp1251' => ['cp1252' => '128'], + 'cp1253' => ['cp1252' => '128'], + 'cp1255' => ['iso-8859-8' => '128-223', 'cp1252' => '128'], + 'cp1256' => ['cp1252' => '128'], + 'cp1258' => ['cp1252' => '128-159+192'], + + 'cp850' => ['cp437' => '144'], + 'cp860' => ['cp437' => '128-175'], + 'cp861' => ['cp865' => '128-175'], + 'cp863' => ['cp437' => '128-175'], + 'cp865' => ['cp437' => '144-175'], + 'cp852' => ['cp850' => '128', 'cp437' => '128'], + 'cp857' => ['cp850' => '128-175+208-239', 'cp437' => '128'], + 'cp775' => ['cp850' => '128'], # partial cp437 + 'cp866' => ['cp437' => '128-175+224'], + 'cp855' => ['cp437' => '128'], + 'cp1006' => ['iso-8859-6' => '160', 'cp437' => '128'], + 'cp737' => ['cp437' => '128-175+224'], + 'cp869' => ['cp437' => '128'], + 'cp862' => ['cp437' => '128-159'], + 'cp864' => ['MacArabic' => '128', 'iso-8859-6' => '128', 'cp437' => '128'], #TODO: compare form variants + + 'koi8-u' => ['koi8-r' => '144-191'], + 'koi8-f' => ['koi8-u' => '144-191'], + + 'MacRomanian' => ['MacRoman' => '160-191+208-223'], + 'MacRumanian' => ['MacRomanian' => '160-191+208-223', 'MacRoman' => '160-191+208-223'], + 'MacCroatian' => ['MacRoman' => '160'], + 'MacCentralEurRoman' => ['MacRoman' => '128'], + 'MacIcelandic'=> ['MacRoman' => '160-175+208-239'], + 'MacTurkish' => ['MacRoman' => '208-223'], # F5 is unassigned + 'MacSami' => ['MacIcelandic' => '144-191+208-223+240', 'MacRoman' => '144'], + 'MacGreek' => ['MacRoman' => '128'], + 'MacCyrillic' => ['MacRoman' => '128'], + 'MacHebrew' => ['iso-8859-8' => '128', 'MacRoman' => '128-143+160'], # partial ascii + 'MacArabic' => ['iso-8859-6' => '128', 'cp864' => '128', 'MacRoman' => '128'], #TODO: multiple parents + 'MacFarsi' => ['MacArabic' => '176-191', 'MacRoman' => '128'], + + 'cp37' => ['posix-bc' => '0'], + 'posix-bc' => ['cp1047' => '64'], + 'cp500' => ['cp37' => '64-95+176-191'], + 'cp1047' => ['cp37' => '16-47+80-95+160-191'], + 'cp1026' => ['cp37' => '64'], + 'cp875' => ['cp37' => '48'], + + }; + + my @parents = @{ $INHERIT->{$input} || [] }; + + if (my ($parent, $part) = pairfirst { defined $visible->{$a} } @parents) { + $row{parent} = $parent; + $params = $part; + $params = 128 unless $visible->{$parent} + or ($input eq 'MacCroatian' and defined $visible->{MacRomanian}); + } + elsif (defined $visible->{ascii}) { + $row{parent} = $parents[0]; + $params = $parents[1] // 128; + $params = 128 if $params >= 128; # ascii offset at most + } + elsif (@parents) { + $row{parent} = $parents[0]; + $params = $parents[1] if $parents[1] == 0; # apply ascii end + } + $visible->{$_} //= 0 for $row{parent} || (); + } + + for my $param (split /[+]+/, $params // '') { + if ($param eq 'realsize') { + $row{realsize}++; + } + elsif ($param =~ m{ \A cols = (\d+) \z }x) { + $row{cols} = $1; + } + elsif ($param =~ m{ \A (?Encoding $input unknown
\n"; + Alert("Unknown option$paramfor charset $input"); } - \%row; } - else { - (); + + if ($input =~ m{ \A u ([0-9a-f]+) (?:-([0-9a-f]+))? \z }ix) { + my $start = hex($1) << ($2 ? 4 : 8); + my $end = $2 ? (hex($2) << 4) + $row{cols} - 1 : $start + 255; + $row{table} = join '', map { chr } $start .. $end; + utf8::upgrade($row{table}); # prevent latin1 output + $row{endpoint} = $end - $start; + $row{set} = sprintf 'Unicode block U+%02Xxx', $start >> 8; + $row{offset} = $start % 256; } -} map { defined $ALIAS{$_} ? @{ $ALIAS{$_} } : $_ } - $ENV{PATH_INFO} =~ /\w/ ? split(m{[/+\s]}, $ENV{PATH_INFO}) : 'default'; -my $NOCHAR = chr 0xFFFD; + elsif (lc $input eq 'uu') { + $row{set} = 'Unicode planes'; + $row{cell} = do 'charset-ucplanes.inc.pl' + or Alert('Table data could not be read', $@ || $!); + $row{endpoint} = 1023 * $row{cell}->{colsize}; + } + elsif (lc $input eq 'u') { + $row{cell} = do 'charset-unicode.inc.pl' + or Alert('Table data could not be read', $@ || $!); -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 - ); + $row{endpoint} ||= 8191; + $row{endpoint} *= $row{cell}->{colsize}; + $row{startpoint} = $row{cell}->{colsize} * $row{offset}; + $row{offset} = 0; + $row{set} = 'Unicode ' . ( + $row{startpoint} < 0x10000 && $row{endpoint} < 0x10000 ? 'BMP' : + $row{startpoint} >= 0x10000 && $row{endpoint} < 0x20000 ? 'SMP' : + 'allocations' + ); + } + elsif ($input =~ m/^utf-*8$/i) { + $row{set} = 'UTF-8'; + $row{cell} = do 'charset-utf8.inc.pl' + or Alert('Table data could not be read', $@ || $!); + $row{endpoint} = 255; + } + elsif ($row{set} = Encode::resolve_alias($input)) { + $row{endpoint} ||= 255; + if ($row{set} eq 'MacHebrew' or $row{set} eq 'MacThai') { + # array of possibly multiple characters per code point + $row{table} = [ + map { Encode::decode($row{set}, pack 'C*', $_) } $row{offset} .. $row{endpoint} + ]; + } + else { + # ~16x faster than decoding in loop; + # substr strings is twice as fast as splitting to an array + $row{table} = Encode::decode($row{set}, pack 'C*', $row{offset} .. $row{endpoint}); + } + $row{endpoint} -= $row{offset}; + + if ($row{set} eq 'cp437') { + if ($row{offset} <= 0xED and $row{endpoint} >= 0xED - $row{offset}) { + # replace phi glyph + substr($row{table}, 0xED - $row{offset}, 1) = 'Ï'; + } + if ($row{offset} < 0x20) { + # replace control characters by visible variants + my $sub = substr 'ââºâ»â¥â¦â£â â¢ââââââªâ«â¼âºâââ¼Â¶Â§â¬â¨âââââââ²â¼', $row{offset}; + substr($row{table}, 0, length $sub) = $sub; + } + } + elsif ($row{set} eq 'symbol') { + if ($row{offset} <= 0x60 and $row{endpoint} >= 0x60 - $row{offset}) { + # replace radical extender by closest unicode equivalent + substr($row{table}, 0x60 - $row{offset}, 1) = 'â'; + } + if ($row{offset} <= 0xBD and $row{endpoint} >= 0xFF - $row{offset}) { + substr($row{table}, 0xBD - $row{offset}, 2) = 'ââ¯'; # arrow extenders + substr($row{table}, 0xD2 - $row{offset}, 3) = '®©â¢'; # serif variants + substr($row{table}, 0xE0 - $row{offset}, 1) = 'â'; # replace lookalike, should match AdobeSymbol + substr($row{table}, 0xE2 - $row{offset}, 3) = '®©â¢'; # sans-serif variants + substr($row{table}, 0xE6 - $row{offset}, 10) = 'ââââ¡â¢â£â§â¨â©âª'; + substr($row{table}, 0xF0 - $row{offset}, 1) = 'â¬'; + substr($row{table}, 0xF4 - $row{offset}, 11) = 'â®â¡âââ â¤â¥â¦â«â¬â'; + } + } + + $visible->{ascii} = # assume common base + $visible->{ $row{set} } = 1; + } + else { + Alert("Encoding
$inputunknown"); + return; + } + push @request, \%row; } +tabinput($_) for @tablist; + +my $NOCHAR = chr 0xFFFD; sub range_cell { - my ($table, $offset) = @_; + my ($info, $offset) = @_; + my $table = $info->{cell} or return; my $def = $table->{$offset} or return; my ($len, $class, $name, $title) = @{$def}; + my $cols = $info->{cols}; + my $colsize = $table->{colsize} || 1; my $attr = ''; - $len /= $nibsize; + $len /= $colsize; $name //= $len <= 2 ? 'res' : 'reserved'; - if (my $part = $offset/$nibsize % 16) { + if (my $part = $offset/$colsize % $cols) { # continued row - my $cols = 16 - $part; # remaining - $cols = $len if $len < $cols; #TODO: optimise - if ($len -= $cols) { + my $rest = $cols - $part; # remaining + $rest = $len if $len < $rest; #TODO: optimise + if ($len -= $rest) { # continued on new row - $table->{$offset + $nibsize*$cols} = [$len*$nibsize, "$class joinu", $name, $title]; - $name = ''; + my @next = ($len * $colsize, "$class joinu"); + my $separate = $cols - $len > $rest; # columns not on next row + if ($len > $rest) { + # minority remains + push @next, $name, $title; + $title ||= $name; + $name = $separate && 'â¦'; + } + else { + # minority on next row + push @next, $separate && '"', $title || $name; + } + $table->{$offset + $colsize*$rest} //= \@next; $class .= ' joind'; } - $len = $cols; + $len = $rest; } - elsif (my $rows = $len >> 4) { + elsif (my $rows = int($len / $cols)) { # multiple full rows - if ($len -= $rows << 4) { + my $rowsize = $colsize * $cols; + if ($len -= $rows * $cols) { # partial row remains - $table->{$offset + $nibsize*$rows * 16} = [$len*$nibsize, "$class joinu", '', $title]; + $table->{$offset + $rowsize * $rows} //= [$len*$colsize, "$class joinu", '', $title]; $class .= ' joind'; } + + unless ($info->{realsize}) { + # coalesce multiple rows + while ($rows > 3) { + $info->{skip}->{$offset += $rowsize}++; + $rows--; + } + if ($rows > 2) { + $info->{skip}->{$offset += $rowsize} = 0; + } + } + $attr .= sprintf ' rowspan=%d', $rows; - $len = 16; + $len = $cols; } $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 "
â±"; - print ' | ', $_ for @nibble; + print "<$section> | ||
---|---|---|---|
", $rowdiv == 1 ? '+' : 'â±'; + printf ' | %0*X', $coldigits, $_ * $colsize for 0 .. $cols - 1; print "\n"; } print ' | ||
%X', ($msb + ($row->{offset} >> 4)) * $nibsize; - for my $lsb (0 .. $#nibble) { - my $val = ( ($msb<<4) + $lsb ) * $nibsize; + while ($offset < $row->{endpoint}) { + if ($row->{skip}->{$offset}) { + $offset += $cols * $colsize; + next; + } + + print ' | |||
'; + if (defined $row->{skip}->{$offset}) { + print 'â®'; + } + else { + if (my $rowmod = $offset % $rowdiv) { + # offset in column units + printf '+%X', $rowmod; + } + else { + # divided row offset + printf '%X', ($offset + $row->{offset}) / $rowdiv; + } + } + say ''; + + for (1 .. $cols) { if ($row->{cell}) { - if (ref $row->{cell} eq 'CODE') { - print $row->{cell}->($val); - next; - } - print range_cell($row->{cell}, $val); + print range_cell($row, $offset); next; } - my $glyph = substr $row->{table}, $val, 1; - if ($glyph eq $NOCHAR) { - print ' | '; - next; + my $cp = $offset + $row->{offset}; + my $glyph = ref $row->{table} eq 'ARRAY' ? $row->{table}->[$offset] : + substr $row->{table}, $offset, 1; + my ($cell, $name, $class) = $glyph eq $NOCHAR ? () : + $glyphs->glyph_html($glyph); + + if (exists $get{compare}) { + state $visible = {}; + $class = ( + $cp == ord $glyph ? 'l4' : + $row->{parent} && $glyph eq + Encode::decode($row->{parent}, pack 'C', $cp) ? 'l3' : + !$class ? undef : + $visible->{$glyph} ? 'l2' : + 'l1' + ); + $visible->{$glyph}++; } - print "\n".$glyphs->glyph_cell($glyph); + say sprintf $class ? ' | %s' : ' | ', + $name, $class, $cell; + } + continue { + $offset += $colsize; } - print "\n"; } - print " |
unicode + | inherited + | existing + | original + | unassigned +<: } else { :> | control | whitespace | diacritic
|