X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/b00da74f1eb20f7c5889d681a9880302743e45d0..9dfef01d97d7c0f4f7137671e2c370e3cfc686a3:/browser.plp

diff --git a/browser.plp b/browser.plp
index a3068f5..8c0bd6a 100644
--- a/browser.plp
+++ b/browser.plp
@@ -1,5 +1,7 @@
 <(common.inc.plp)><:
 use 5.010;
+use utf8;
+use List::Util qw(sum max);
 
 Html({
 	title => 'browser compatibility cheat sheet',
@@ -7,92 +9,202 @@ Html({
 	description =>
 		"caniuse.",
 	keywords => [qw'html css browser feature'],
-	stylesheet => [qw'light dark circus mono red'],
-	data => ['caniuse.js'],
+	stylesheet => [qw'circus dark mono red'],
+	data => ['browser-support.inc.pl'],
 });
 
 :>
 <h1>Browser compatibility</h1>
 
-<p>Alternate view of Fyrd's <a href="http://caniuse.com/">when can I use...</a> site.</p>
+<p>Alternate view of Fyrd's <a href="http://caniuse.com/">when can I use...</a> page
+with <a href="http://stats.wikimedia.org/archive/squid_reports/">Wikimedia</a>
+browser usage statistics.</p>
 
 <:
-use JSON;
-use File::Slurp 'read_file';
-my $source = read_file('caniuse.js');
-for ($source) { # cleanup
-	# convert seperate variables to hash keys
-	s/\A/{/;
-	s/^caniuse\.(\w+) = /"$1":/gm;
-	s/;$/,/gm;
-	s/,\s*\Z/\n}/;
-	# fractions not supported by barekey
-	s/(?<=[,{]) (\d*\.\d) (?=:')/"$1"/gx;
-	# escapes not supported in singlequote
-	s{'((?:[^\\']+|\\.)*)'}{
-		my $_ = $1;
-		s/"/\\"/g;
-		s/\\'/'/g;
-		qq("$_");
-	}ge;
-}
-my $caniuse = from_json($source, {
-#	allow_singlequote => 1,
-	allow_barekey => 1,
-});
+my $caniuse = do 'browser-support.inc.pl' or die $! || $@;
 
 my %CSTATS = (
-	n => 'di-b',
-	y => 'di-a',
-	a => 'di-d',
-	j => 'di-prop',
-	p => 'di-prop',
-	'y x' => 'di-a',
+	'n'   => 'l0',
+	'y'   => 'l6',
+	'y x' => 'l5',
+	'a'   => 'l4',
+	'a x' => 'l4',
+	'p j' => 'l2',
+	'j'   => 'l2',
+	'p'   => 'l2',
+	'u'   => 'ex',
 );
 my %CSTATUS = (
-	unoff => 'di-rare', # unofficial
-	wd    => 'di-b', # draft
-	pr    => 'di-prop', # proposed
-	cr    => 'di-d', # candidate
-	rec   => 'di-a', # recommendation
-	ietf  => 'di-a', # standard
+	unoff => 'ex', # unofficial
+	wd    => 'l0', # draft
+	pr    => 'l2', # proposed
+	cr    => 'l4', # candidate
+	rec   => 'l5', # recommendation
+	ietf  => 'l6', # standard
 );
-my @browsers = qw(trident gecko webkit_saf presto);
-unshift @{ $caniuse->{agents}->{gecko}->{versions} }, 2;
+my @browsers = qw(trident gecko webkit_saf webkit_chr presto);
+my %versions;
+if (my ($somerow) = values %{ $caniuse->{data} }) {
+	while (my ($browser, $row) = each %{ $somerow->{stats} }) {
+		$versions{$browser} = [ sort { paddedver($a) cmp paddedver($b) } keys %$row ];
+	}
+}
+
+my $canihas = do 'browser-usage.inc.pl' or do {
+	printf "<p>Browser usage data not found: <em>%s</em>.</p>\n", $_
+		for $! || $@;
+};
+my $scorediv = (max(map { sum(values %$_) } values %$canihas) // 1) / 100;
 
-print '<table class="glyphs dimap">';
-print '<col>' x 2;
-printf '<colgroup span="%d">', scalar @{ $caniuse->{agents}->{$_}->{versions} } for @browsers;
+print '<table class="mapped">';
+print '<col>' x 3;
+printf '<colgroup span="%d">', scalar @{ $versions{$_} } for @browsers;
 print "\n";
 
-print '<thead><tr>';
-print "<th>$_" for qw(feature status);
-printf '<th colspan="%d">%s', scalar @{ $_->{versions} }, $_->{browser}
-	for map { $caniuse->{agents}->{$_} } @browsers;
+my $header = join('',
+	'<tr>',
+	'<th colspan="3">feature',
+	(map {
+		sprintf('<th colspan="%d" title="%.1f%%">%s',
+			scalar @{ $versions{$_} },
+			sum(values %{ $canihas->{$_} }),
+			do {
+				my $name = $caniuse->{agents}->{$_}->{browser};
+				length $name < 16 ? $name : $caniuse->{agents}->{$_}->{abbr};
+			},
+		)
+	} @browsers),
+	'<th>%',
+);
+print '<thead>', $header;
+# preceding row without any colspan to work around gecko bug
+print "\n<tr>";
+print '<td>' x 3;
+for my $browser (@browsers) {
+	printf('<td title="%.1f%%">%s',
+		$canihas->{$browser}->{$_}, showversions($_),
+	) for @{ $versions{$browser} };
+}
+print '<td>' x 1;
 print "</thead>\n";
 
-for my $id (keys %{ $caniuse->{data} }) {
+sub featurescore {
+	# relative amount of support for given feature
+	state $statspts = { y=>10, 'y x'=>9, a=>5, 'a x'=>5, j=>2, 'p j'=>2, p=>1 };
+	my $rank = 0;
+	if (my $row = shift) {
+		if ($canihas) {
+			while (my ($browser, $versions) = each %$row) {
+				while (my ($version, $_) = each %$versions) {
+					$rank += $canihas->{$browser}->{$version} * $statspts->{$_};
+				}
+			}
+			return $rank;
+		}
+
+		while (my ($browser, $vercols) = each %versions) {
+			my $div = 0;  # multiplier exponent (decreased to lower value)
+			my @vers = map { $row->{$browser}->{$_} } @$vercols;
+			if (my $current = $caniuse->{agents}->{$browser}->{versions}->[-3]) {
+				my @future;  # find upcoming releases (after current)
+				for (reverse @$vercols) {
+					last if $_ eq $current;
+					push @future, pop @vers;
+					$_ eq 'u' and $_ = $vers[-1] for $future[-1];  # inherit latest value if unknown
+				}
+				splice @vers, -1, 0, @future;  # move ahead to decrease precedence
+			}
+			$rank += $statspts->{$_} * 2**($div--) for reverse @vers;
+		}
+	}
+	return $rank;
+}
+
+for my $id (sort {
+	    featurescore($caniuse->{data}->{$b}->{stats})
+	<=> featurescore($caniuse->{data}->{$a}->{stats})
+} keys %{ $caniuse->{data} }) {
 	my $row = $caniuse->{data}->{$id};
 	my $data = $row->{stats} or next;  # skip metadata [summary]
 	printf '<tr id="%s">', $id;
-	printf '<th title="%s">%s', $row->{description}, $row->{title};
-	printf '<td title="%s" class="%s">%s', $caniuse->{statuses}->{$_}, $CSTATUS{$_} // '', $_ for $row->{status};
+	for ($row->{categories}) {
+		my $cell = $_ ? lc $_->[0] : '-';
+		print '<th>', $cell;
+	}
+	printf '<td title="%s">%s', $row->{description}, $row->{title};
+	for ($row->{status}) {
+		my $cell = $_ // '-';
+		$cell = sprintf '<a href="%s">%s</a>', $_, $cell for $row->{spec} // ();
+		printf '<td title="%s" class="%s">%s',
+			$caniuse->{statuses}->{$_}, $CSTATUS{$_} // '', $cell;
+	}
 	for my $browser (@browsers) {
-		printf '<td class="%s">%s', $CSTATS{ $data->{$browser}->{$_} }, $_
-			for @{ $caniuse->{agents}->{$browser}->{versions} };
+		my ($prev, @span);
+		for my $ver (@{ $versions{$browser} }, undef) {
+			unless (!defined $prev
+			or $data->{$browser}->{$prev} ~~ $data->{$browser}->{$ver}) {
+				my $usage = sum(map { $canihas->{$browser}->{$_} } @span);
+				printf '<td class="%s" colspan="%d" title="%.1f%%">%s',
+					join(' ',
+						X => $CSTATS{ $data->{$browser}->{$prev} },
+						sprintf('opacity%.0f', $usage / $scorediv),
+					),
+					scalar @span,
+					$usage,
+					showversions(@span),
+				undef $prev;
+				@span = ();
+			}
+			push @span, $ver;
+			$prev = $ver;
+		}
 	}
+	state $maxscore = featurescore({  # yes for every possible version
+		map { $_ => { map {$_ => 'y'} @{$versions{$_}} } } keys %versions
+	});
+	print '<td>', int featurescore($caniuse->{data}->{$id}->{stats}) / $maxscore * 100;
 }
+print '<tfoot>', $header;
 print '</table>';
 
+sub paddedver {
+	# normalised version number comparable as string (cmp)
+	shift =~ /^(\d*)(.*)/;
+	return sprintf('%02d', $1) . $2;
+}
+
+sub showversions {
+	my @span = ($_[0], @_>1 ? $_[-1] : ());
+	for (@span) {
+		s/^\./0./;
+		s/x$/.*/;
+	}
+	return join('‒', @span);
+}
+
 :>
+<script>
+var classmatch = /\bopacity(\d+)/;
+Array.forEach(document.getElementsByTagName('TD'), function(val) {
+	var opacity;
+	if (opacity = classmatch.exec(val.className)) {
+		var c = document.defaultView.getComputedStyle(val, null).getPropertyValue('background-color');
+		var o = opacity[1] / 100;
+		val.style.backgroundColor = c.replace(/rgb\((.*)\)/, 'rgba($1, '+o+')');
+		val.style.textShadow = c+' 1px 1px 2px, ' + c+' -1px -1px 2px';
+	}
+});
+alert(t);
+</script>
 <hr>
 
 <div class="legend">
 	<table class="glyphs"><tr>
-	<td class="X di-a">yes
-	<td class="X di-d">almost
-	<td class="X di-prop">plugin or js
-	<td class="X di-b">no
+	<td class="X l6">supported
+	<td class="X l5">prefixed
+	<td class="X l4">partial
+	<td class="X l2">external (js/plugin)
+	<td class="X l0">missing
 	</table>
 
 	<div class="right">