X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/006a5267c67ca7076380d40d4562555fb5578514..HEAD:/charset.plp diff --git a/charset.plp b/charset.plp index 7e115a8..bbab1d6 100644 --- a/charset.plp +++ b/charset.plp @@ -1,8 +1,12 @@ <(common.inc.plp)><: +my $mode = exists $get{compare}; +my @tablist = split m{/+}, $Request || 'default'; + Html({ title => 'charset cheat sheet', - version => '1.0', + version => '1.3', + canonical => "/charset/$Request" . ($mode && '?compare'), description => [ "Reference sheet with all glyphs in common character encoding tables,", "and an overview of Unicode ranges and UTF-8 bytes.", @@ -11,12 +15,13 @@ Html({ charset codepage unicode ascii utf8 latin glyph character encoding reference common overview table '], - stylesheet => [qw'light'], - data => [qw'charset-unicode.inc.pl charset-ucplanes.inc.pl charset-utf8.inc.pl'], + (stylesheet => [qw'light']) x !$mode, + data => [qw( + charset.inc.pl charset-encoding.inc.pl + 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 ); :> @@ -24,26 +29,25 @@ use List::Util qw( first pairmap pairfirst pairs );

<: +if ($tablist[0] eq 'unicode') { + say "Detailed allocation of Unicode blocks."; + print "See ", showlink("charsets", '/charset'), " to compare specific encodings"; +} +else { + if ($tablist[0] eq 'default') { - say "Overview of Unicode allocation and common latin code pages."; + say "Overview of Unicode ", showlink("allocation", '/charset/unicode'); + say "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), $href - ); -} - print join " •\n", ( map { join " ·\n", pairmap { - optionlink($b || ucfirst $a, '/charset'.($a && "/$a?compare"), $a eq $Request); + showlink($b || ucfirst $a, '/charset'.($a && "/$a?compare"), $a eq $Request); } @{$_} } [ @@ -52,6 +56,7 @@ print join " •\n", ( dos => 'DOS', mac => 'Apple', ebcdic => 'EBCDIC', + legacy => 'legacy', $tablist[0] eq 'default' ? () : ('' => 'common'), ], [ @@ -64,6 +69,8 @@ print join " •\n", ( hebrew => 0, ], ); + +} :>.

@@ -73,146 +80,28 @@ use Shiar_Sheet::FormatChar; my $glyphs = Shiar_Sheet::FormatChar->new; my @request; +my $charsets = Data('charset'); + sub tabinput { # generate character table(s) my $input = shift or return; + my $params = $input =~ s/[+](.*)\z// ? $1 : undef; + my $charset = $charsets->{lc $input} || {}; - 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; + if (ref $charset ne 'HASH') { + $params and Alert("Parameters ignored for $input", + "Cannot apply $params to multiple charsets.", + ); + tabinput($_) for ref $charset ? @{$charset} : $charset; return; } state $visible = {'' => 1}; # all present tables my %row = (offset => 0, cols => 16); - my $params = $input =~ s/[+](.*)\z// ? $1 : undef; + $row{$_} = $charset->{$_} for qw( note table ); # copy metadata 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} || [] }; + my @parents = @{ $charset->{inherit} || [] }; if (my ($parent, $part) = pairfirst { defined $visible->{$a} } @parents) { $row{parent} = $parent; @@ -244,7 +133,7 @@ sub tabinput { # 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} }++; + $row{skip}->{ $_ * $row{cols} }++; } } else { @@ -257,54 +146,18 @@ sub tabinput { } } - if ($input =~ m{ \A (?:wing|web)dings \d* \z }ix) { - eval "require Encode::\u$input"; + if ($charset->{setup}) { + eval { $charset->{setup}->(\%row) } + or Alert("Incomplete setup of $input", $@); } + $row{endpoint} ||= 0xFF; - if ($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; + if (defined $row{table} or defined $row{cell}) { + $row{set} //= $input; } - elsif ($row{set} = Encode::resolve_alias($input)) { + elsif ($row{set} = Encode::resolve_alias($charset->{set} // $input)) { $row{offset} = delete $row{startpoint}; - $row{endpoint} ||= 0xFF; - if ($row{set} eq 'MacHebrew' or $row{set} eq 'MacThai') { + if ($charset->{varchar}) { # array of possibly multiple characters per code point $row{table} = [ map { Encode::decode($row{set}, pack 'C*', $_) } $row{offset} .. $row{endpoint} @@ -316,43 +169,48 @@ sub tabinput { $row{table} = Encode::decode($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; + $visible->{ascii}++; # assume common base + $row{set} = $input if $charset->{set}; # base override } else { Alert("Encoding $input unknown"); return; } + + if (my $replace = $charset->{replace}) { + while (my ($offset, $sub) = each %{$replace}) { + $offset -= $row{offset}; + + if (ref $row{table} eq 'ARRAY') { + $row{table}->[$offset] = $sub + if $offset >= 0 and $offset <= $row{endpoint}; + next; + } + + my $length = length $sub; + + if ($offset < 0) { + $offset > -$length or next; # at least one character after start + # trim leftmost part to start at offset + substr($sub, 0, -$offset) = ''; + $length += $offset; + $offset = 0; + } + + if ((my $excess = $row{endpoint} - $offset - $length + 1) < 0) { + $excess > -$length or next; + # trim rightmost part to prevent overflow + substr($sub, $excess) = ''; + $length += $excess; + } + + substr($row{table}, $offset, $length) = $sub; + } + } + push @request, \%row; + $visible->{ $row{set} } = 1 if $row{table}; } tabinput($_) for @tablist; @@ -434,8 +292,8 @@ for my $row (@request) { printf '
', !$row->{cell} && ' charmap'; my $title = $row->{set}; - $title .= " " - for $row->{parent} || (); + $title .= " " for $row->{parent} || (); + $title .= " " for $row->{note} || (); printf '', $title; print '' x ($cols + 1); for my $section (qw{thead}) { @@ -446,13 +304,13 @@ for my $row (@request) { print ''; while ($offset <= $row->{endpoint} * $colsize) { - if ($row->{skip}->{$offset}) { + if ($row->{skip}->{$offset + $row->{offset}}) { $offset += $cols * $colsize; next; } print '
%s
'; - if (defined $row->{skip}->{$offset}) { + if (defined $row->{skip}->{$offset + $row->{offset}}) { print '⋮'; } else { @@ -476,24 +334,24 @@ for my $row (@request) { 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 $NOCHAR ? () : + my ($cell, $name, $class) = !defined $glyph || $glyph eq $NOCHAR ? () : $glyphs->glyph_html($glyph); - if (exists $get{compare}) { + if ($mode) { state $visible = {}; $class = ( $cp == ord $glyph ? 'l4' : $row->{parent} && $glyph eq Encode::decode($row->{parent}, pack 'C', $cp) ? 'l3' : - !$class ? undef : + !defined $cell ? undef : $visible->{$glyph} ? 'l2' : 'l1' ); $visible->{$glyph}++; } - say sprintf $class ? '%s' : '', - $name, $class, $cell; + printf '%s', $class, $cell) : '>'; } continue { $offset += $colsize; @@ -506,7 +364,7 @@ for my $row (@request) {
- <: if (exists $get{compare}) { :> +
<: if ($mode) { :>
unicode inherited existing @@ -544,7 +402,7 @@ for my $row (@request) {
-
unicode 7.0 + unicode 10.0 proposed deprecated unassigned