termcol: make rules to setup xcolors checkout

[sheet.git] / font.plp

diff --git a/font.plp b/font.plp
index af7743b6385de358ffe1497458bcbea5d0d0e3c3..d4d7debf24147e339fc81579840c33d55aed6fa0 100644 (file)
--- a/font.plp
+++ b/font.plp
@@ -1,9 +1,10 @@
 <(common.inc.plp)><:
-use 5.014;
+
+my $font = $Request;
 
 Html({
-       title => 'character support sheet',
-       version => 'v1.1',
+       title => 'font coverage '.($font ? "for $font" : 'sheet'),
+       version => '1.2',
        keywords => [qw(
                unicode font glyph char character support overview cover coverage
                script block symbol sign mark reference table
@@ -12,10 +13,34 @@ Html({
        data => [qw( unicode-cover.inc.pl )],
 });
 
-if (my $font = $ENV{PATH_INFO} =~ s{^/}{}r) {
+if ($font) {
        my ($fontmeta, @cover) = do "ttfsupport/$font.inc.pl";
        $fontmeta or die "Unknown font $font\n";
 
+       my $map = eval {
+               $get{map} or return;
+
+               my $groupinfo = do 'unicode-cover.inc.pl' or die $@ || $!;
+
+               my ($cat, $name) = split m{/}, $get{map}, 2 or die "invalid map\n";
+               if (!$name) {
+                       ($cat, $name) = ('table', $cat);
+               }
+
+               my $row = $groupinfo->{$cat}->{$name}
+                       or die "unknown character group $cat/$name\n";
+               my $query = $row->{query};
+
+               my @map;
+               for (map { split /[^\d-]/ } $query) {
+                       my @range = split /-/, $_, 2;
+                       m/^[0-9]+$/ or die "Invalid code point $_ in query $query\n" for @range;
+                       push @map, $_ for $range[0] .. ($range[1] // $range[0]);
+               }
+               return \@map;
+       };
+       die $@ if $@;
+
        require Unicode::UCD;
 
        my $pagerows = 0x200;
@@ -49,7 +74,7 @@ if (my $font = $ENV{PATH_INFO} =~ s{^/}{}r) {
                        (map { "with <em>$_</em>" } $_ || ()),
                        ('and published as freeware "Core Web font"') x ($_ eq 'Windows 2000'),
                        (map { "under a $_ license" }
-                               map { $fontmeta->{license} ? qq(<a href="$fontmeta->{license}">$_</a>) : $_ }
+                               map { $fontmeta->{license} ? qq(<a href="$fontmeta->{license}" rel=nofollow>$_</a>) : $_ }
                                $_ && $_ ne 'Android' ? 'proprietary' : 'free',
                        ),
                );
@@ -77,21 +102,27 @@ if (my $font = $ENV{PATH_INFO} =~ s{^/}{}r) {
 EOT
        say '<table class="glyphs big">';
 
+       my $offsetlink = '?' . join('&amp;',
+               (map { $_ . '=' . EncodeURI($get{$_}) } grep { defined $get{$_} } qw{ map }),
+               'q',
+       );
        say "<caption>$_</caption>" for join(' ', grep {$_}
-               $offset > $pagerows && sprintf('<a rel="start" href="?q=%d">◄</a>', 0),
+               $offset > $pagerows && sprintf('<a rel="start" href="%s=%d">◄</a>', $offsetlink, 0),
                $offset > 0 && sprintf(
-                       '<a rel="prev" href="?q=%d" title="U+%1$04X">◅</a>',
-                       $offset - $pagerows,
+                       '<a rel="prev" href="%s=%d" title="U+%2$04X">◅</a>',
+                       $offsetlink, $offset - $pagerows,
                ),
-               sprintf('U+%04X', $offset),
-               Unicode::UCD::charblock($offset),
-               $offset + $pagerows < 0x11_0000 && sprintf(
-                       '<a rel="next" href="?q=%d" title="U+%1$04X">▻</a>',
-                       $offset + $pagerows,
+               sprintf('U+%04X', $map ? $map->[$offset] : $offset),
+               Unicode::UCD::charblock($map ? $map->[$offset] : $offset),
+               $offset + $pagerows < ($map ? @{$map} : 0x11_0000) && sprintf(
+                       '<a rel="next" href="%s=%d" title="U+%2$04X">▻</a>',
+                       $offsetlink, $offset + $pagerows,
                ),
        );
 
        for my $cp ($offset .. $offset+$pagerows-1) {
+               $cp = $map->[$cp] or next if $map;
+
                state $colpos;
                my $block = Unicode::UCD::charblock($cp);
                if ($block ne (state $sameblock = $block) and $block ne 'No_Block') {
@@ -103,10 +134,26 @@ EOT
                        $colpos = 0;
                }
 
+               if ($map) {
+                       # compare previous code point and indicate gaps
+                       state $lastcp = 0;
+                       if ($cp != ++$lastcp) {
+                               if (!$colpos or $colpos++ % $pagecols > $pagecols - 3) {
+                                       # nearly last column, start new row
+                                       $colpos = 0;
+                               }
+                               else {
+                                       # mark repositioning in existing row
+                                       printf '<th>%X', $cp;
+                               }
+                               $lastcp = $cp;
+                       }
+               }
+
                say sprintf '<tr><th>%X', $cp if $colpos++ % $pagecols == 0;
 
                my $info = $glyphs->glyph_info($cp);
-               my ($class, $name, $mnem, $html, $string) = @{$info};
+               my ($class, $name, $mnem, $entity, $string) = @{$info};
                my $np = $class =~ /\bC\S\b/;  # noprint if control or invalid
                # display literal character, with placeholder circle if non-spacing/enclosing
                my $html = ($class =~ /\bM[ne]\b/ && chr 9676) . EscapeHTML(chr $cp);
@@ -177,7 +224,7 @@ if (my $group = $get{q}) {
 
 # output character list
 
-print '<table class=mapped>';
+print '<table class="mapped cover">';
 print '<col><col>';
 print "<colgroup span=$_>"
        for map { scalar @{ $cover->{os}->{$_} } } @ossel;
@@ -225,7 +272,7 @@ for (@rows) {
 
                my $rel = $count / $row->{count};
                my $class = $rel < .5 ? 2 : $rel < .9 ? 3 : 4;
-               printf '<td class="%s">%d%%', "l$class", $rel*100;
+               printf '<td class="%s">%d', "l$class", $rel*10;
        }
        say '</tr>';
 }