+ -r $source or Abort("Requested file not found", '404 source not found');
+ my $size = (stat $source)->[7];
+
+ my $cachefile = "source/$source.html";
+ if (-e $cachefile and (stat $cachefile)->[9] >= (stat $source)->[9]) {
+ say '<pre>';
+ print ReadFile($cachefile);
+ say '</pre>';
+ exit;
+ }
+ -e or mkdir for $cachefile =~ s{[^/]+\z}{}r; # dirname
+ open my $cache, '>', $cachefile
+ or Alert("Could not save cache", "Opening $cachefile failed: $!");;
+
+ 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 => $source,
+ vim_options => [@Text::VimColor::VIM_OPTIONS, '+:set enc=utf-8'],
+ )->marked;
+ }) {
+ my %TYPETAG = (
+ Statement => 'strong',
+ Error => 'em',
+ Todo => 'em',
+ PreProc => 'strong',
+ );
+
+ say '<pre>';
+ foreach (@{$hl}) {
+ my ($type, $contents) = @{$_};
+ $contents = decode_utf8($contents);
+ my $tag = $type && ($TYPETAG{$type} || 'span');
+ my $line = Text::VimColor::_xml_escape($contents);
+
+ # link other page sources, stylesheets, and javascript
+ $line =~ s{ ^(['"]?) \K ($incname) (?=\1$) }{ showlink($2, "/source/$2") }xe
+ if !$type || $type eq 'Constant';
+ # link perl module names (Xx::Xx...)
+ $line =~ s{ ^\s* \K ([A-Z]\w+(?:::\w+)+) (?![^;\s]) }{ showlink($1, "/source/$1") }xe
+ if !$type;
+ # link generator scripts (by tools/...)
+ $line =~ s{ ^.*? by\ \K (tools/\S+) }{ showlink($1, "/source/$1") }xe
+ if $type && $type eq 'Comment';
+
+ $line = qq(<$tag class="sy-\l$type">$line</$tag>) if $tag;
+ print $line;
+ print {$cache} $line if $cache;
+ }
+ say '</pre>';
+ }
+ else {
+ say '<pre>';
+ print EscapeHTML(decode_utf8(ReadFile($source)));
+ say '</pre>';
+ }
+
+ say '';