index: release v1.18 with only altgr index linked

[sheet.git] / source.plp

diff --git a/source.plp b/source.plp
index ef730a49cccf4a54229ead63436d141b919c66ea..cf22e34c75d64c3e4fa341900741fba5a4b30534 100644 (file)
--- a/source.plp
+++ b/source.plp
@@ -10,9 +10,10 @@ if ($source =~ s{(?<=\Q.inc.pl\E)/jsonp?$}{} and -r $source) {
                my $data = do $source or die $@ || $! || 'read error';
                require JSON;
                my $converter = JSON->new;
-               $converter->utf8->indent->space_after->canonical;
+               $converter->indent->space_after->canonical;
 
                $header{content_type} = 'application/json';
+               $header{'Access-Control-Allow-Origin'} = '*';
                $header{content_type} = 'text/plain' if exists $get{debug};
                print $_, '(' for $get{callback} // ();
                print $converter->encode($data);
@@ -28,7 +29,7 @@ if ($source =~ s{(?<=\Q.inc.pl\E)/jsonp?$}{} and -r $source) {
 
 Html({
        title => "$source source code",
-       version => '1.1',
+       version => '1.3',
        description => !$source ? 'Index of source files for this site.' : [
                "Source code of the $source file at this site,",
                "with syntax highlighted and references linked."
@@ -42,34 +43,53 @@ Html({
 
 say '';
 
-if (not $source) {
-       print "<h1>Source files</h1>";
+if (not $source or -d $source) {
+       PLP_START {
+               print "<h1>Source files</h1>";
+       };
+
+       if ($source and $source ne 'tools') {
+               Abort("Directory index not permitted", '403 source not allowed');
+       }
 
        print "<p>Project code distributed under the AGPL. Please contribute back.</p>";
        say '<ul>';
-       for (glob '*.plp') {
-               chomp;
+       for (glob($source ? "$source/*" : '*.plp')) {
                say '<li>', showlink($_, "/source/$_");
        }
        say "</ul>\n";
 }
 else {
        my $href = showlink($source, $source =~ m{\A (\w+) \.plp \z}x && "/$1");
-       say "<h1>Source of $href</h1>";
+       PLP_START {
+               say "<h1>Source of $href</h1>";
+       };
 
+       my $path = $source;
        if ($source =~ m{(?:/|^)\.}) {
-               die "File request not permitted\n";
+               Abort("File request not permitted", '403 source not allowed');
        }
        elsif ($source =~ s{::}{/}g or !-e $source) {
                $source .= '.pm';
                for (0 .. $#INC) {
                        -e ($_ = "$INC[$_]/$source") or next;
-                       $source = $_;
+                       $path = $_;
                        last;
                }
        }
-       -r $source or die "Requested file not found\n";
-       my $size = (stat $source)->[7];
+       -r $path or Abort("Requested file not found", '404 source not found');
+       my $size = (stat $path)->[7];
+
+       my $cachefile = "source/$source.html";
+       if (-e $cachefile and (stat $cachefile)->[9] >= (stat $path)->[9]) {
+               say '<pre>';
+               print decode_utf8(ReadFile($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';
@@ -78,14 +98,18 @@ else {
                        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'],
+                       file => $path,
+                       vim_options => [@Text::VimColor::VIM_OPTIONS,
+                               '+:set enc=utf-8',
+                               '+:let perl_sub_signatures=1',
+                       ],
                )->marked;
        }) {
                my %TYPETAG = (
                        Statement => 'strong',
                        Error     => 'em',
                        Todo      => 'em',
+                       PreProc   => 'strong',
                );
 
                say '<pre>';
@@ -93,30 +117,30 @@ else {
                        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 $contents =~ s{^(['"]?)($incname)(?=\1$)}{}) {
-                               # link other page sources, stylesheets, and javascript
-                               print $1 . showlink($2, "/source/$2");
-                       }
-                       if (!$type and $contents =~ s/^(\s*)([A-Z]\w+(?:::\w+)+)(?![^;\s])//) {
-                               # link perl module names (Xx::Xx...)
-                               print $1 . showlink($2, "/source/$2");
-                       }
-                       if ($type && $type eq 'Comment'
-                       and $contents =~ s{^(.*? by )(tools/\S+)}{}) {
-                               # link generator scripts (by tools/...)
-                               print $1 . showlink($2, "/source/$2");
-                       }
-                       print Text::VimColor::_xml_escape($contents);
-                       print "</$tag>" if $tag;
+                       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 relative page locations in html output
+                       $line =~ s{ ^(&quot;)\K (/\w+) (?= (?:/\w+)* \1$) }{ showlink($2, "/source$2.plp") }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)));
+               print EscapeHTML(decode_utf8(ReadFile($path)));
                say '</pre>';
        }