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charset: do not divide plane index by column size
[sheet.git] / charset.plp
diff --git a/charset.plp b/charset.plp
index f9a773a3a240d00a970d4e7f0ef272e96d806e65..6577f4c4521f7b3b7a7cb337e5975f60dbb5c234 100644 (file)
--- a/charset.plp
+++ b/charset.plp
@@ -1,30 +1,28 @@
-<:
-use utf8;
-use strict;
-use warnings;
-use open IO => ':utf8';
-
-our $VERSION = 'v1.0';
-
-$header{content_type} = 'text/html; charset=utf-8';
-
-:><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
-<html>
-
-<head>
-<meta http-equiv="content-type" content="<:= $header{content_type} :>">
-<title>charset cheat sheet</title>
-<link rel="stylesheet" type="text/css" media="all" href="/base.css">
-</head>
+<(common.inc.plp)><:
+
+Html({
+       title => 'charset cheat sheet',
+       version => 'v1.0',
+       description => [
+               "Reference sheet with all glyphs in common character encoding tables,",
+               "and an overview of Unicode ranges and UTF-8 bytes.",
+       ],
+       keywords => [qw'
+               charset codepage unicode ascii utf8 latin glyph character encoding
+               reference common overview table
+       '],
+       stylesheet => [qw'light'],
+       data => [qw'charset-unicode.inc.pl charset-utf8.inc.pl'],
+});
 
-<body>
+:>
 <h1>Character encoding</h1>
 
 <:
-my $diinfo = do 'digraphs.inc.pl';
-my %di = map { $diinfo->{$_}->[0] => $_ } grep { ref $diinfo->{$_} }
-       keys %$diinfo;
+use Shiar_Sheet::FormatChar;
+my $glyphs = Shiar_Sheet::FormatChar->new;
+my @nibble = (0..9, 'A'..'F');
+my $nibsize = 1;
 
 use Encode qw(decode resolve_alias);
 # generate character table(s)
@@ -65,10 +63,12 @@ my @request = map {
                        $row{table} = ' ' x 512;
                        $row{set} = 'Unicode planes';
                        $row{cell} = do 'charset-ucplanes.inc.pl';
+                       @nibble = (map { $_.0, $_.8 } 0 .. 7);
+                       $nibsize = 8;
                }
                elsif ($row{set} = resolve_alias($input)) {
                        if ($row{set} eq 'Internal') {
-                               $row{table} = ' ' x ($endpoint < 255 ? 640 : 4096);
+                               $row{table} = ' ' x ($endpoint < 255 ? 640 : 8192);
                                $row{set} = 'Unicode BMP';
                                $row{cell} = do 'charset-unicode.inc.pl';
                        }
@@ -101,19 +101,8 @@ for my $cp437 (grep {$request[$_]->{set} eq 'cp437'} 0 .. $#request) {
        );
 }
 
-sub quote {
-       local $_ = shift;
-       s/"/&quot;/g;
-       s/</&lt;/g;
-       s/>/&gt;/g;
-       return $_;
-}
-
-print "<ul>\n";
-
-my @nibble = (0..9, 'A'..'F');
 for my $row (@request) {
-       printf '<li><table class="glyphs%s">', !$row->{cell} && ' charmap';
+       printf '<div class="section"><table class="glyphs%s">', !$row->{cell} && ' charmap';
        printf '<caption>%s</caption>', $row->{set};
        print '<col>' x 17;
        for my $section (qw{thead}) {
@@ -125,44 +114,25 @@ for my $row (@request) {
        for my $msb (0 .. (length($row->{table}) || 256) - 1 >> 4) {
                printf '<tr><th>%X', $msb + ($row->{offset} >> 4);
                for my $lsb (0 .. $#nibble) {
+                       my $val = ( ($msb<<4) + $lsb ) * $nibsize;
                        if ($row->{cell}) {
-                               print $row->{cell}->(($msb<<4) + $lsb);
+                               print $row->{cell}->($val);
                                next;
                        }
 
-                       my $glyph = substr $row->{table}, ($msb<<4) + $lsb, 1;
+                       my $glyph = substr $row->{table}, $val, 1;
                        if ($glyph eq $NOCHAR) {
                                print '<td>';
                                next;
                        }
 
-                       my $info = [ord $glyph];
-                       if (defined (my $mnem = $di{ord $glyph})) {
-                               $info = $diinfo->{$mnem};
-                       }
-                       else {
-                               require Unicode::UCD;
-                               my $fullinfo = Unicode::UCD::charinfo(ord $glyph);
-                               $info = [@$fullinfo{qw/code name category script string/}] if $fullinfo;
-                       }
-                       my ($codepoint, $name, $prop, $script, $string) = @$info;
-
-                       $glyph = quote($string || $glyph);
-                       my $desc = sprintf 'U+%04X%s', $codepoint, $name && " ($name)";
-                       my @class = ('X', grep {$_} $prop, $script);
-
-                       $glyph = "<span>$glyph</span>" if $prop eq 'Zs';
-
-                       printf "\n".'<td class="%s" title="%s">%s',
-                               join(' ', @class), quote($desc), $glyph;
+                       print "\n".$glyphs->glyph_cell($glyph);
                }
                print "\n";
        }
-       print "</table>\n";
+       print "</table></div>\n";
 }
 
-print "</ul>\n";
-
 :>
 <hr>
 
@@ -199,7 +169,7 @@ print "</ul>\n";
        </table>
 
        <table class="glyphs"><tr>
-       <td class="X">unicode 5.0
+       <td class="X">unicode 7.0
        <td class="X Xr">proposed
        <td class="X Xd">deprecated
        <td class="">unassigned
@@ -207,12 +177,3 @@ print "</ul>\n";
        </table>
 </div>
 
-<p class="footer">
-       <a href="/" rel="home">sheet.shiar.nl</a>/charset
-       <a href="git://git.shiar.nl/sheet" rel="vcs-git" title="Git repository"><:= $VERSION :></a>
-       created by <a href="http://shiar.nl/" rel="author">Shiar</a> •
-       <a title="Licensed under the GNU Affero General Public License, version 3" rel="copyright"
-          href="http://www.fsf.org/licensing/licenses/agpl-3.0.html">AGPLv3</a>
-</p>
-
-</html>
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