digraphs.plp

   1 <:
   2 use utf8;
   3 use strict;
   4 use warnings;
   5 use open IO => ':utf8';
   6
   7 our $VERSION = '1.0';
   8
   9 $header{content_type} = 'text/html; charset=utf-8';
  10
  11 :><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
  12  "http://www.w3.org/TR/html4/loose.dtd">
  13 <html>
  14
  15 <head>
  16 <title>digraph cheat sheet</title>
  17 <meta http-equiv="content-type" content="utf-8">
  18 <link rel="stylesheet" type="text/css" media="all" href="digraphs.css">
  19 </head>
  20
  21 <body>
  22 <h1>RFC-1345 Digraphs</h1>
  23
  24 <p>i^k in <a href="/">Vim</a>.
  25 Also see <a href="/unicode">common digraphs</a>.</p>
  26
  27 <:
  28 my $di = do 'digraphs.inc.pl';
  29
  30 sub quote {
  31         local $_ = shift;
  32         s/"/&quot;/g;
  33         s/</&lt;/g;
  34         s/>/&gt;/g;
  35         return $_;
  36 }
  37
  38 my @chars = (
  39         [qw{! " % ' ( ) * + , - . /}],
  40         ['0'..'9'], [qw{: ; < = > ?}],
  41         ['A'..'M'], ['N'..'Z'],
  42         ['a'..'m'], ['n'..'z'],
  43 );
  44 my @chars2 = (['_'], @chars);  # trailing character (extended set)
  45
  46 print '<table><col>';
  47 print qq'<colgroup span="$_">' for map {scalar @$_} @chars2;
  48 print "</colgroup><col>\n";
  49 for my $section (qw{thead tfoot}) {
  50         print "<$section><tr><th>&nbsp;";
  51         print '<th>', quote($_) for map {@$_} @chars2;
  52         print "<th>&nbsp;\n";
  53 }
  54 for my $c1group (@chars) {
  55         print '<tbody>';
  56         for my $c1 (@$c1group) {
  57                 print '<tr><th>', quote($c1);
  58                 for my $c2 (map {@$_} @chars2) {
  59                         my $mnem = $c1 . $c2;
  60                         if (not defined $di->{$mnem}) {
  61                                 print '<td>';
  62                                 next;
  63                         }
  64                         if (ref $di->{$mnem} ne 'ARRAY') {
  65                                 printf '<td class="X Xr" title="%s">', quote($mnem);
  66                                 next;
  67                         }
  68                         my ($codepoint, $name, $prop, $script, $string) = @{ $di->{$mnem} };
  69
  70                         my $glyph = $string || chr $codepoint;
  71                         utf8::upgrade($glyph);  # prevent latin1 output
  72                         my $desc = $mnem . ($name && " ($name)");
  73                         my @class = ('X', grep {$_} $prop, $script);
  74
  75                         $glyph = quote($glyph);
  76                         $glyph = "<span>$glyph</span>" if $prop eq 'Zs';
  77
  78                         printf "\n".'<td class="%s" title="%s">%s',
  79                                 join(' ', @class), quote($desc), $glyph;
  80                 }
  81                 print "\n<th>", quote($c1), "\n";
  82         }
  83 }
  84 print "</table>\n";
  85 :>
  86 <div id="legend">
  87         <table><tr>
  88         <td class="X Cc">control
  89         <td class="X Zs"><span>spacing</span>
  90         <td class="X Mn">modifier
  91         <td class="X Sk">spacing modifier
  92         <td class="X Pf">quote
  93         <td class="X Po">punctuation
  94         <td class="X So">symbol
  95         <td class="X Sm">math
  96         <td class="X Sc">currency
  97         <td class="X No">numeric
  98         <td class="X Greek">greek
  99         <td class="X Cyrillic">cyrillic
 100         <td class="X Latin">latin
 101         <td class="X Hebrew">hebrew
 102         <td class="X Arabic">arabic
 103         <td class="X Hangul">korean
 104         <td class="X Hiragana">japanese
 105         <td class="X Bopomofo">chinese
 106         </table>
 107
 108         <table><tr>
 109         <td class="X">unicode
 110         <td class="X Xl">latin1
 111         <td class="X Xa">ascii
 112         <td class="X Xz">proposed
 113         </table>
 114 </div>
 115
 116 <p id="footer">
 117         <a href="http://vi.shiar.net/digraphs">vi.<strong>shiar.net</strong>/digraphs</a>
 118         <a href="git://dev.shiar.net/vi-cheat"><:= "v$VERSION" :></a>
 119         created by Shiar •
 120         <a title="Licensed under the GNU Affero General Public License, version 3"
 121            href="http://www.fsf.org/licensing/licenses/agpl-3.0.html">AGPLv3</a> •
 122         last update <:
 123                 use Time::Format qw(time_format);
 124                 print time_format('yyyy-mm-dd', (stat 'digraphs.inc.pl')[9]);
 125         :>
 126 </p>
 127
 128 </html>