+print join " •\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,
+ ],
+);
+:>.
+</p>
+
+<:
+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 $ALIAS = {
+ default => [qw( u+0-27F utf-8+realsize iso-8859-1 iso-8859-15 cp1252 cp437 cp850 )],
+ unicode => [qw( uu+cols=32+realsize u+0-FFF u+1000-18AF u+18B0-1FFF )],
+ us => [qw( cp437 cp863 gsm0338 AdobeStandardEncoding )],
+ ebcdic => [qw( cp37 cp500 cp1047 posix-bc cp1026 cp875 )],
+ iso => [map {"iso-8859-$_"} 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
+ +400 +2DE0 +A640-A69F +500-52F )], # MacUkrainian is broken
+ arabic => [qw( iso-8859-6 cp1256 MacArabic cp864 cp1006 MacFarsi
+ +600 +8A0-8BF+8E0 +750-77F )],
+ greek => [qw( iso-8859-7 cp1253 MacGreek cp737 cp869 +370 +1F00 )],
+ hebrew => [qw( iso-8859-8 cp1255 MacHebrew cp862 +590 )],
+ thai => [qw( iso-8859-11 cp874 MacThai )],
+ vietnamese => [qw( viscii cp1258 MacVietnamese )],
+ symbols => [qw( symbol dingbats MacDingbats wingdings wingdings2 wingdings3 webdings )],
+
+ # 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 = {
+ 'ascii' => ['' => '00-7F'],
+ 'cp437' => ['cp850' => 0, 'ascii' => '00-1F+80'], # ascii range overridden later
+ 'gsm0338' => ['ascii' => '00-7F'],
+ 'dingbats' => ['' => '20-7F+A0'],
+ 'MacDingbats' => ['dingbats' => '80-9F'],
+ 'AdobeZdingbat'=> ['MacDingbats' => '80-9F'], # should be identical but maps to private use
+ 'symbol' => ['' => '20-7F+A0'],
+ 'AdobeSymbol' => ['symbol' => '20-7F+A0', '' => '20-7F+A0'], # minor differences, irrelevant except for different '€'
+ 'wingdings' => ['' => '20'],
+ 'wingdings2' => ['' => '20'],
+ 'wingdings3' => ['' => '20'],
+ 'webdings' => ['' => '20'],
+
+ 'iso-8859-2' => ['iso-8859-1' => 'A0'],
+ 'iso-8859-3' => ['iso-8859-1' => 'A0'], #TODO: also apply to iso-8859-9
+ 'iso-8859-4' => ['iso-8859-2' => 'A0'],
+ 'iso-8859-5' => ['iso-8859-1' => 'A0'],
+ 'iso-8859-6' => ['cp1256' => '80', 'iso-8859-1' => 'A0'],
+ 'iso-8859-7' => ['iso-8859-1' => 'A0'],
+ 'iso-8859-8' => ['iso-8859-1' => 'A0'],
+ 'iso-8859-9' => ['iso-8859-1' => 'D0-DF+F0'],
+ 'iso-8859-10' => ['iso-8859-4' => 'A0'],
+ 'iso-8859-11' => ['iso-8859-1' => 'A0'],
+ 'iso-8859-13' => ['iso-8859-4' => 'A0'],
+ 'iso-8859-14' => ['iso-8859-1' => 'A0'],
+ 'iso-8859-15' => ['iso-8859-1' => 'A0-BF'],
+ 'iso-8859-16' => ['iso-8859-2' => 'A0'],
+ 'hp-roman8' => ['iso-8859-1' => 'A0'],
+
+ 'cp1252' => ['iso-8859-1' => '80-9F'],
+ 'cp1250' => ['iso-8859-2' => '80-BF', 'cp1252' => '80'],
+ 'cp1254' => ['iso-8859-9' => '80-9F', 'cp1252' => '80-9F+D0'],
+ 'cp874' => ['iso-8859-11' => '80-9F', 'cp1252' => '80'], # windows-874 actually cp1162
+ 'cp1257' => ['iso-8859-13' => '80-9F+FF', 'cp1252' => '80'],
+ 'cp1251' => ['cp1252' => '80'],
+ 'cp1253' => ['cp1252' => '80'],
+ 'cp1255' => ['iso-8859-8' => '80-DF', 'cp1252' => '80'],
+ 'cp1256' => ['cp1252' => '80'],
+ 'cp1258' => ['cp1252' => '80-9F+C0'],
+
+ 'cp850' => ['cp437' => '90'],
+ 'cp860' => ['cp437' => '80-AF'],
+ 'cp861' => ['cp865' => '80-AF'],
+ 'cp863' => ['cp437' => '80-AF'],
+ 'cp865' => ['cp437' => '90-AF'],
+ 'cp852' => ['cp850' => '80', 'cp437' => '80'],
+ 'cp857' => ['cp850' => '80-AF+D0-EF', 'cp437' => '80'],
+ 'cp775' => ['cp850' => '80'], # partial cp437
+ 'cp866' => ['cp437' => '80-AF+E0'],
+ 'cp855' => ['cp437' => '80'],
+ 'cp1006' => ['iso-8859-6' => 'A0', 'cp437' => '80'],
+ 'cp737' => ['cp437' => '80-AF+E0'],
+ 'cp869' => ['cp437' => '80'],
+ 'cp862' => ['cp437' => '80-9F'],
+ 'cp864' => ['MacArabic' => '80', 'iso-8859-6' => '80', 'cp437' => '80'], #TODO: compare form variants
+
+ 'koi8-u' => ['koi8-r' => '90-BF'],
+ 'koi8-f' => ['koi8-u' => '90-BF'],
+
+ 'MacRomanian' => ['MacRoman' => 'A0-BF+D0-DF'],
+ 'MacRumanian' => ['MacRomanian' => 'A0-BF+D0-DF', 'MacRoman' => 'A0-BF+D0-DF'],
+ 'MacCroatian' => ['MacRoman' => 'A0'],
+ 'MacCentralEurRoman' => ['MacRoman' => '80'],
+ 'MacIcelandic'=> ['MacRoman' => 'A0-AF+D0-EF'],
+ 'MacTurkish' => ['MacRoman' => 'D0-DF'], # F5 is unassigned
+ 'MacSami' => ['MacIcelandic' => '90-BF+D0-DF+F0', 'MacRoman' => '90'],
+ 'MacGreek' => ['MacRoman' => '80'],
+ 'MacCyrillic' => ['MacRoman' => '80'],
+ 'MacHebrew' => ['iso-8859-8' => '80', 'MacRoman' => '80-8F+A0'], # partial ascii
+ 'MacArabic' => ['iso-8859-6' => '80', 'cp864' => '80', 'MacRoman' => '80'], #TODO: multiple parents
+ 'MacFarsi' => ['MacArabic' => 'B0-BF', 'MacRoman' => '80'],
+
+ 'cp37' => ['posix-bc' => '00'],
+ 'posix-bc' => ['cp1047' => '40'],
+ 'cp500' => ['cp37' => '40-5F+B0-BF'],
+ 'cp1047' => ['cp37' => '10-2F+50-5F+A0-BF'],
+ 'cp1026' => ['cp37' => '40'],
+ 'cp875' => ['cp37' => '30'],
+
+ };
+
+ my @parents = @{ $INHERIT->{$input} || [] };
+
+ if (my ($parent, $part) = pairfirst { defined $visible->{$a} } @parents) {
+ $row{parent} = $parent;
+ $params = $part;
+ $params = 80 unless $visible->{$parent}
+ or ($input eq 'MacCroatian' and defined $visible->{MacRomanian});
+ }
+ elsif (defined $visible->{ascii}) {
+ $row{parent} = $parents[0];
+ $params = $parents[1] // 80;
+ $params = 80 if hex $params >= 0x80; # ascii offset at most
+ }
+ elsif (@parents) {
+ $row{parent} = $parents[0];
+ $params = $parents[1] if hex $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 (?<start> \p{AHex}+) (?: [-] (?<end> \p{AHex}+) )? \z }x) {
+ if (defined $row{endpoint}) {
+ # extend earlier range
+ my $skip = int(($row{endpoint} || $row{startpoint}) / $row{cols});
+ for ($skip + 1 .. (hex($+{start}) / $row{cols}) - 1) {
+ $row{skip}->{ $_ * $row{cols} - $row{startpoint} }++;
+ }
+ }
+ else {
+ $row{startpoint} = hex $+{start};
+ }
+ $row{endpoint} = hex($+{end} || 0);
+ }
+ else {
+ Alert("Unknown option <q>$param</q> for charset $input");
+ }
+ }
+
+ if ($input =~ m{ \A (?:wing|web)dings \d* \z }ix) {
+ eval "require Encode::\u$input";
+ }
+
+ if ($input eq '') {
+ $row{offset} = delete $row{startpoint};
+ $row{set} = 'Unicode characters';
+ my $block = $row{offset} >> 8;
+ $row{endpoint} ||= ($block + 1 << 8) - 1;
+ $block == ($row{endpoint} >> 8) or undef $block;
+
+ $row{table} = join '', map { chr } $row{offset} .. $row{endpoint};
+ utf8::upgrade($row{table}); # prevent latin1 output
+
+ $row{endpoint} -= $row{offset};
+
+ if (defined $block) {
+ $row{set} = sprintf 'Unicode block U+%02Xxx', $block;
+ $row{offset} %= 0x100;
+ }
+ }
+ elsif (lc $input eq 'uu') {
+ $row{cell} = do 'charset-ucplanes.inc.pl'
+ or Alert('Table data could not be read', $@ || $!);
+ $row{endpoint} ||= 0x3FF;
+ $row{set} = 'Unicode planes';
+ }
+ elsif (lc $input eq 'u') {
+ $row{cell} = do 'charset-unicode.inc.pl'
+ or Alert('Table data could not be read', $@ || $!);
+
+ $row{endpoint} ||= 0x1FFF;
+ $row{set} = 'Unicode ' . (
+ $row{startpoint} < 0x1000 && $row{endpoint} < 0x1000 ? 'BMP' :
+ $row{startpoint} >= 0x1000 && $row{endpoint} < 0x2000 ? 'SMP' :
+ 'allocations'
+ );
+ }
+ elsif ($input =~ m/^utf-*8$/i) {
+ $row{set} = 'UTF-8';
+ $row{cell} = do 'charset-utf8.inc.pl'
+ or Alert('Table data could not be read', $@ || $!);
+ $row{endpoint} = 0xFF;
+ }
+ elsif ($row{set} = Encode::resolve_alias($input)) {
+ $row{offset} = delete $row{startpoint};
+ $row{endpoint} ||= 0xFF;
+ if ($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} .. $row{endpoint});
+ }
+
+ if ($row{set} eq 'cp437') {
+ if ($row{offset} <= 0xED and $row{endpoint} >= 0xED) {
+ # replace phi glyph
+ substr($row{table}, 0xED - $row{offset}, 1) = 'ϕ';
+ }
+ if ($row{offset} < 0x20) {
+ # replace control characters by visible variants
+ my $sub = substr ' ☺☻♥♦♣♠•◘○◙♂♀♪♫☼►◄↕‼¶§▬↨↑↓→←∟↔▲▼', $row{offset};
+ substr($row{table}, 0, length $sub) = $sub;
+ }
+ }
+ elsif ($row{set} eq 'symbol') {
+ if ($row{offset} <= 0x60 and $row{endpoint} >= 0x60) {
+ # replace radical extender by closest unicode equivalent
+ substr($row{table}, 0x60 - $row{offset}, 1) = '│';
+ }
+ if ($row{offset} <= 0xBD and $row{endpoint} >= 0xFF) {
+ substr($row{table}, 0xBD - $row{offset}, 2) = '⏐⎯'; # arrow extenders
+ substr($row{table}, 0xD2 - $row{offset}, 3) = '®©™'; # serif variants
+ substr($row{table}, 0xE0 - $row{offset}, 1) = '◊'; # replace lookalike, should match AdobeSymbol
+ substr($row{table}, 0xE2 - $row{offset}, 3) = '®©™'; # sans-serif variants
+ substr($row{table}, 0xE6 - $row{offset}, 10) = '⎛⎜⎝⎡⎢⎣⎧⎨⎩⎪';
+ substr($row{table}, 0xF0 - $row{offset}, 1) = '€';
+ substr($row{table}, 0xF4 - $row{offset}, 11) = '⎮⌡⎞⎟⎠⎤⎥⎦⎫⎬⎭';
+ }
+ }
+
+ $row{endpoint} -= $row{offset};
+
+ $visible->{ascii} = # assume common base
+ $visible->{ $row{set} } = 1;
+ }
+ else {
+ Alert("Encoding <q>$input</q> unknown");
+ return;
+ }
+ push @request, \%row;
+}
+tabinput($_) for @tablist;
+
+my $NOCHAR = chr 0xFFFD;
+
+sub range_cell {
+ my ($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 /= $colsize;
+ $name //= $len <= 2 ? 'res' : 'reserved';
+
+ if (my $part = ($offset/$colsize - $info->{startpoint}) % $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");
+ my $separate = $cols - $len > $rest; # columns not on next row
+ if ($len > $rest) {
+ # minority remains
+ push @next, $name, $title;
+ $title ||= $name;
+ $name = $separate && '…';
+ }
+ else {
+ # minority on next row
+ push @next, $separate && '"', $title || $name;
+ }
+ $table->{$offset + $colsize*$rest} //= \@next;
+ $class .= ' joind';
+ }
+ $len = $rest;
+ }
+ elsif (my $rows = int($len / $cols)) {
+ # multiple full rows
+ my $rowsize = $colsize * $cols;
+ if ($len -= $rows * $cols) {
+ # partial row remains
+ $table->{$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 = $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 $title;
+ return "<td$attr>$name\n";