From 4d0dfd97b2708e809741ad853bff0bd000fcbb33 Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Fri, 6 Mar 2015 07:04:56 +0100
Subject: [PATCH] font: subpage lists ordered glyphs in requested typeface

---
 font.plp | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 55 insertions(+), 6 deletions(-)

diff --git a/font.plp b/font.plp
index 1d6ee4f..e0a9663 100644
--- a/font.plp
+++ b/font.plp
@@ -1,4 +1,5 @@
 <(common.inc.plp)><:
+use 5.014;
 
 Html({
 	title => 'character support sheet',
@@ -11,6 +12,57 @@ Html({
 	data => [qw( unicode-cover.inc.pl )],
 });
 
+if (my $font = $ENV{PATH_INFO} =~ s{^/}{}r) {
+	my ($fontmeta, @cover) = do "ttfsupport/$font.inc.pl";
+	$fontmeta or die "Unknown font $font\n";
+
+	my $offset = $get{q} || 0;
+
+	say "<h1>Font coverage</h1>";
+	say "<h2>$_</h2>" for EscapeHTML($fontmeta->{name});
+	printf("<p>Version <strong%s>%s</strong> released %s contains %d glyphs.</p>\n",
+		!!$_->[2] && qq( title="revision $_->[2]"),
+		$_->[1], $_->[0],
+		scalar @cover,
+	) for [
+		grep { $_ }
+		($fontmeta->{date} || '?') =~ s/T.*//r,
+		EscapeHTML($fontmeta->{version}),
+		$fontmeta->{revision},
+	];
+	printf "<p>%s</p>\n", join('<br>', map { $_ ? EscapeHTML($_) : () }
+		$fontmeta->{copyright}, $fontmeta->{license},
+	);
+
+	require Shiar_Sheet::FormatChar;
+	my $glyphs = Shiar_Sheet::FormatChar->new;
+
+	my %cover = map { ($_ => 1) } @cover;  # lookup map
+
+	say <<"EOT";
+
+<style>
+	.glyphs tbody th { text-align: right }
+	.glyphs tbody td { font-family: "$fontmeta->{name}" }
+</style>
+EOT
+	say '<table class="glyphs big">';
+	for my $cp ($offset .. $offset+0x1FF) {
+		my $info = $glyphs->glyph_info($cp);
+		my ($class, $name, $mnem, $html, $string) = @{$info};
+		my $np = $class =~ /\bC\S\b/;  # noprint if control or invalid
+		say sprintf '<tr><th>%X', $cp if $cp % 32 == 0;
+		say sprintf '<td class="%s" title="U+%04X%s">%s',
+			!$class ? ('l0', $cp, '', '') :
+			$cover{$cp} ? $np ? 'l2' : 'l5' : $np ? 'Xi' : 'l1',
+			$cp, !!$name && ": $name",
+			($cover{$cp} || !$np) && EscapeHTML(chr $cp);
+	}
+	say '</table>';
+
+	exit;
+}
+
 :>
 <h1>Font coverage</h1>
 
@@ -22,9 +74,6 @@ Character support of Unicode
 <div>
 
 <:
-use 5.010;
-use Shiar_Sheet::FormatChar;
-my $glyphs = Shiar_Sheet::FormatChar->new;
 
 my $cover = do 'unicode-cover.inc.pl' or die $@ || $!;
 
@@ -60,8 +109,7 @@ my @rows = (
 	'table/html',
 );
 
-if (my $group = $ENV{PATH_INFO}) {
-	$group =~ s{^/}{};
+if (my $group = $get{q}) {
 	my $grouprows = $cover->{$group}
 		or die "Unknown character category $_\n";
 	@rows = map { "$group/$_" } sort keys %{$grouprows};
@@ -81,8 +129,9 @@ printf '<td colspan=%d>%s fonts', scalar @{ $cover->{os}->{$_} }, $_
 
 print '<tr>';
 print '<th colspan=2>';
-printf('<td title="%s">%s', map { EscapeHTML($_) }
+printf('<td title="%s"><a href="%s">%s</a>', map { EscapeHTML($_) }
 	join("\n", $_->{name}, $_->{description}),
+	"/font/$_->{file}",
 	$_->{abbr},
 ) for @{ $cover->{fonts} }[@fontlist];
 say '</thead>';
-- 
2.30.0