<(common.inc.plp)><:
+my $mode = ($Request // '') eq 'xorg' || exists $get{xorg};
+my $modename = $mode ? 'X.Org' : 'RFC-1345';
+
Html({
title => 'digraph cheat sheet',
- version => 'v1.0',
+ version => '1.2',
description => [
- "Complete table of digraph characters from RFC-1345.",
+ "Complete table of digraph characters from $modename.",
],
keywords => [qw'
- digraph compose character char glyph table unicode vim
+ digraph mnemonic compose composition pair
+ character char glyph table unicode vim xorg x11 x
'],
stylesheet => [qw'light'],
data => [qw( digraphs.inc.pl )],
});
:>
-<h1>RFC-1345 Digraphs</h1>
-
-<p>i^k in <a href="/vi">Vim</a>.
-Also see <a href="/unicode">common digraphs</a>.</p>
+<h1><:= $modename :> Digraphs</h1>
-<p class="aside">Unofficial <span class="Xz">proposals</span>
-are available as <a href="/digraphs.vim">ex commands</a>.</p>
+<p>Character mnemonics following compose key ⎄<:
+say join("\n",
+ $mode ? (
+ ' in the X Window System (Shift+AltGr by default).',
+ 'Differences from <a href="/digraphs">RFC-1345</a> are indicated.',
+ ) : (':',
+ 'i^k in <a href="/vi">Vim</a>,',
+ '^u^\ in <a href="/readline">Emacs</a>,',
+ '^a^v in <a href="/screen">Screen</a>.',
+ 'Similar but different from <a href="/digraphs/xorg">X.Org</a>.',
+ ),
+ 'Also see <a href="/unicode">common Unicode</a>.</p>',
+);
+say '<p class="aside">Unofficial <span class="u-l2">proposals</span>',
+ ' are available as <a href="/digraphs.vim">ex commands</a>.' if not $mode;
+:>
<:
-my $di = do 'digraphs.inc.pl';
+my $di = do 'digraphs.inc.pl'
+ or die "Error loading digraphs data: ", $@ // $!;
+
+if (exists $get{v}) {
+ # show characters for inverted mnemonics (vim alternatives)
+ $di->{ substr($_, 1, 1) . substr($_, 0, 1) } ||=
+ [ $di->{$_}->[0], '', 'l0 ex', '', $di->{$_}->[4] ]
+ for grep { ref $di->{$_} } keys %{$di};
+}
my @chars = (
[qw{! " % ' ( ) * + , - . /}],
['a'..'m'], ['n'..'z'],
);
my @chars2 = (['_'], @chars); # trailing character (extended set)
+my @columns = !exists $get{split} ? \@chars2 :
+ ([@chars2[0, 1, 3, 4, 6]], [@chars2[2, 5, 7]]);
+
+if ($mode) {
+ my $xorg = do 'data/digraphs-xorg.inc.pl'
+ or die "Error loading Xorg data: ", $@ // $!;
+ $_ = [ord $_] for values %{$xorg};
+ $xorg->{$_}->[2] = # class = compatibility
+ $di->{$_} ? $di->{$_}->[0] != $xorg->{$_}->[0] ? 'l1' : # conflict
+ $di->{$_}->[2] =~ /\bu-di\b/ ? 'l5' : 'l3' : 'l2' # rfc|any|none
+ for keys %{$xorg};
+
+ for my $cp (map {$_->[0]} values %{$xorg}) {
+ next if (state $seen = {})->{$cp}++; # List::MoreUtils::uniq
+
+ # find multiple equivalent mnemonics
+ my @equiv = grep {$cp eq $_->[0]}
+ map {$xorg->{$_}} sort keys %{$xorg}; # values ordered by mnem.
+
+ # search for the most compatible match
+ my ($compat) = sort {
+ $equiv[$b]->[2] cmp $equiv[$a]->[2] # highest level
+ || $b <=> $a # fallback to last mnemonic
+ } 0 .. $#equiv;
+ # reclassify all but one as level 0 (omitted)
+ splice @equiv, $compat // -1, 1, ();
+ $_->[2] = 'l0 ex' for @equiv;
+ }
+
+ $chars2[0] = [qw( # ^ _ ` ~ )];
+ @chars = @chars2;
+ $di = $xorg;
+}
+
+for my $colchars (@columns) {
print '<table class="glyphs dimap"><col>';
-print qq'<colgroup span="$_">' for map {scalar @$_} @chars2;
-print "</colgroup><col>\n";
+print qq'<colgroup span="$_">' for map {scalar @$_} @{$colchars};
+say '</colgroup><col>';
for my $section (qw{thead tfoot}) {
print "<$section><tr><th>↳";
- print '<th>', EscapeHTML($_) for map {@$_} @chars2;
- print "<th> \n";
+ print '<th>', EscapeHTML($_) for map {@$_} @{$colchars};
+ say '<th> ';
}
for my $c1group (@chars) {
print '<tbody>';
for my $c1 (@$c1group) {
print '<tr><th>', EscapeHTML($c1);
- for my $c2 (map {@$_} @chars2) {
+ for my $c2 (map {@$_} @$colchars) {
my $mnem = $c1 . $c2;
if (not defined $di->{$mnem}) {
print '<td>';
printf '<td class="X Xr" title="%s">', EscapeHTML($mnem);
next;
}
- my ($codepoint, $name, $prop, $script, $string) = @{ $di->{$mnem} };
+ my ($codepoint, $name, $support, $script, $string) = @{ $di->{$mnem} };
my $glyph = $string || chr $codepoint;
utf8::upgrade($glyph); # prevent latin1 output
my $desc = $mnem . ($name && " ($name)");
- my @class = ('X', grep {$_} $prop, $script);
+ my @class = ('X', grep {$_} $support && "u-$support", $script);
$glyph = EscapeHTML($glyph);
- $glyph = "<span>$glyph</span>" if $prop =~ /\bZs\b/;
+ $glyph = "<span>$glyph</span>" if $script =~ /\bZs\b/;
printf "\n".'<td class="%s" title="%s">%s',
join(' ', @class), EscapeHTML($desc), $glyph;
}
- print "\n<th>", EscapeHTML($c1), "\n";
+ say "\n<th>", EscapeHTML($c1);
}
}
-print "</table>\n";
+say '</table>';
+print '<hr>' if exists $get{split};
+}
+
+if ($mode) {
:>
+<div class="legend">
+ <table class="glyphs"><tr>
+ <td class="X l5">matching RFC-1345
+ <td class="X l3">matching proposal
+ <td class="X l2">unique to Xorg
+ <td class="X l1">conflict
+ <td class="X l0 ex">duplicate
+ </table>
+</div>
+<: } else { :>
<div class="legend">
<table class="glyphs"><tr>
<td class="X Cc">control
- <td class="X Zs"><span>spacing</span>
- <td class="X Mn">modifier
- <td class="X Sk">spacing modifier
+ <td class="X Zs"><span>space</span>
+ <td class="X Mn">combining
+ <td class="X Sk">spacing modifier
<td class="X Pf">quote
<td class="X Po">punctuation
<td class="X So">symbol
</table>
<table class="glyphs"><tr>
- <td class="X">unicode
- <td class="X Xl">latin1
- <td class="X Xa">ascii
- <td class="X Xz">proposed
+ <td class="X u-l4">full support
+ <td class="X u-l3">vim extension
+ <td class="X u-l3 ex">vim v8.0
+ <td class="X u-l2">proposal
+ <td class="X u-l1">not in vim
</table>
</div>
+<: }
git.shiar.nl / sheet.git / blobdiff