X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/219cb22723b29e968bc740d1f34b3b09265a9c08..737dd2857235970b598a49dc1d987c73c8a38a08:/source.plp

diff --git a/source.plp b/source.plp
index 2b13371..ea85628 100644
--- a/source.plp
+++ b/source.plp
@@ -1,6 +1,7 @@
 <(common.inc.plp)><:
 
 my $source = $Request;
+my $incname = qr{ [a-z][/a-z0-9_.-]* \.(?:plp?|css|js) }x;
 
 if ($source =~ s{(?<=\Q.inc.pl\E)/jsonp?$}{} and -r $source) {
 	# convert perl include to json construct
@@ -36,6 +37,7 @@ Html({
 		sheet cheat source code perl plp html agpl
 	'],
 	stylesheet => [qw'light dark mono red'],
+	data => [$source =~ m{\A($incname)\z}],
 });
 
 say '';
@@ -52,7 +54,8 @@ if (not $source) {
 	say "</ul>\n";
 }
 else {
-	say "<h1>Source of $source</h1>";
+	my $href = showlink($source, $source =~ m{\A (\w+) \.plp \z}x && "/$1");
+	say "<h1>Source of $href</h1>";
 
 	if ($source =~ m{(?:/|^)\.}) {
 		die "File request not permitted\n";
@@ -66,29 +69,34 @@ else {
 		}
 	}
 	-r $source or die "Requested file not found\n";
+	my $size = (stat $source)->[7];
 
-	if (eval { require Text::VimColor and Text::VimColor->VERSION(0.12) }) {
+	if (my $hl = eval {
+		$size < 32_768 or die 'large files take too long to parse';
+		require Text::VimColor;
+		Text::VimColor->VERSION(0.12)
+			or die 'early versions are buggy under FastCGI';
 		delete $Text::VimColor::SYNTAX_TYPE{Underlined};
+		return Text::VimColor->new(
+			file => $source,
+			vim_options => [@Text::VimColor::VIM_OPTIONS, '+:set enc=utf-8'],
+		)->marked;
+	}) {
 		my %TYPETAG = (
 			Statement => 'strong',
 			Error     => 'em',
 			Todo      => 'em',
 		);
 
-		my $hl = Text::VimColor->new(
-			file => $source,
-			vim_options => [@Text::VimColor::VIM_OPTIONS, '+:set enc=utf-8'],
-		);
-		my $parsed = $hl->marked;
 		say '<pre>';
-		foreach (@$parsed) {
+		foreach (@{$hl}) {
 			my ($type, $contents) = @{$_};
 			$contents = decode_utf8($contents);
 			my $tag = $type && ($TYPETAG{$type} || 'span');
 			my $arg = '';
 			print "<$tag$arg class=\"sy-\l$type\">" if $tag;
 			if (!$type || $type eq 'Constant'
-			and $contents =~ s{^(['"]?)(/?[a-z0-9_.]+\.(?:plp?|css|js))(?=\1$)}{}) {
+			and $contents =~ s{^(['"]?)($incname)(?=\1$)}{}) {
 				# link other page sources, stylesheets, and javascript
 				print $1 . showlink($2, "/source/$2");
 			}