X-Git-Url: http://git.shiar.net/sheet.git/blobdiff_plain/a9bd14706592fd50c5e427635d6c70005dfa4953..44f2bc2a8a46bec091ba5736bdef455a523aec85:/digraphs.plp?ds=sidebyside
diff --git a/digraphs.plp b/digraphs.plp
index 4a150cf..5e4a334 100644
--- a/digraphs.plp
+++ b/digraphs.plp
@@ -1,148 +1,157 @@
-<:
-use utf8;
-use strict;
-use warnings;
-use open IO => ':utf8';
-
-our $VERSION = '1.0';
-
-$header{content_type} = 'text/html; charset=utf-8';
-
-:>
-
-
-
-digraph cheat sheet
-
-
-
-
-
-RFC-1345 Digraphs
+:>
+<:= $modename :> Digraphs
+
+Character mnemonics following compose key â<:
+say join("\n",
+ $mode ? (
+ ' in the X Window System (Shift+AltGr by default).',
+ 'Differences from RFC-1345 are indicated.',
+ ) : (':',
+ 'i^k in Vim,',
+ '^u^\ in Emacs,',
+ '^a^v in Screen.',
+ 'Similar but different from X.Org.',
+ ),
+ 'Also see common Unicode.
',
+);
+say 'Unofficial proposals',
+ ' are available as ex commands.' if not $mode;
+:>
<:
-my $di = do 'digraphs.inc.pl';
-
-sub quote {
- local $_ = shift;
- s/"/"/g;
- s/</g;
- s/>/>/g;
- return $_;
+my $di = do 'data/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 = ((map {chr} ord '!' .. ord 'Z'), 'a'..'z');
-splice @chars, $_, 1, () for 2, 3-1, 5-2, 31-3; # remove character exceptions # $ & @
-my @chars2 = (@chars, '_'); # trailing character (extended set)
+my @chars = (
+ [qw{! " % ' ( ) * + , - . /}],
+ ['0'..'9'], [qw{: ; < = > ?}],
+ ['A'..'M'], ['N'..'Z'],
+ ['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] eq 'l4' ? '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;
+}
-print '
';
+for my $colchars (@columns) {
+print '';
+print qq'' for map {scalar @$_} @{$colchars};
+say '';
for my $section (qw{thead tfoot}) {
- print "<$section> ";
- print " | $_" for @chars2;
+ print "<$section> |
---|
â³";
+ print ' | ', EscapeHTML($_) for map {@$_} @{$colchars};
+ say ' | ';
}
-print ' |
';
-for my $c1 (@chars) {
- print "$c1";
- for my $c2 (@chars2) {
- my $mnem = $c1 . $c2;
- if (not defined $di->{$mnem}) {
- print ' | ';
- next;
+for my $c1group (@chars) {
+ print ' |
';
+ for my $c1 (@$c1group) {
+ print '', EscapeHTML($c1);
+ for my $c2 (map {@$_} @$colchars) {
+ my $mnem = $c1 . $c2;
+ if (not defined $di->{$mnem}) {
+ print ' | ';
+ next;
+ }
+ if (ref $di->{$mnem} ne 'ARRAY') {
+ printf ' | ', EscapeHTML($mnem);
+ next;
+ }
+ my ($codepoint, $name, $support, $script, $string) = @{ $di->{$mnem} };
+
+ my $glyph = $string || chr $codepoint;
+ utf8::upgrade($glyph); # prevent latin1 output
+ my $desc = $mnem . ($name && " ($name)");
+ my @class = ('X', grep {$_} $script);
+ push @class, $mode ? $support : "u-$support" if $support;
+
+ $glyph = EscapeHTML($glyph);
+ $glyph = "$glyph" if $script =~ /\bZs\b/;
+
+ printf "\n".' | %s',
+ join(' ', @class), EscapeHTML($desc), $glyph;
}
- my ($codepoint, $name, $prop, $script) = @{ $di->{$mnem} };
-
- my $glyph = chr $codepoint;
- utf8::upgrade($glyph); # prevent latin1 output
- my $desc = $mnem . ($name && " ($name)");
- my @class = ('X', grep {$_} $prop, $script);
-
- $glyph = quote($glyph);
- $glyph = "$glyph" if $prop eq 'Zs';
-
- printf "\n".' | %s',
- join(' ', @class), quote($desc), $glyph;
+ say "\n | ", EscapeHTML($c1);
}
- print "\n | $c1\n";
}
-print " |
---|
\n";
+say '
';
+print '
' if exists $get{split};
+}
+
+if ($mode) {
:>
-
-
+
+
+ matching RFC-1345
+ | matching proposal
+ | unique to Xorg
+ | conflict
+ | duplicate
+ |
+
+<: } else { :>
+
+
control
- | spacing
- | modifier
- | spacing modifier
+ | space
+ | combining
+ | spacing modifier
| quote
| punctuation
| symbol
@@ -154,17 +163,18 @@ print " |
\n";
latin
| hebrew
| arabic
+ | korean
| japanese
| chinese
|
-
- unicode
- | latin1
- | ascii
- | private
- | proposed
+
+ full support
+ | vim extension
+ | vim v8.0
+ | proposal
+ | not in vim
|
-
+<: }
|