discount support

[ikiwiki.git] / IkiWiki / Plugin / mdwn.pm

diff --git a/IkiWiki/Plugin/mdwn.pm b/IkiWiki/Plugin/mdwn.pm
index 0fc077f5ec1cc1a30eaffba1ce8d323cccf160cf..0dc0cc336d51556364bf968014158d2d9c0a0620 100644 (file)
--- a/IkiWiki/Plugin/mdwn.pm
+++ b/IkiWiki/Plugin/mdwn.pm
@@ -4,45 +4,94 @@ package IkiWiki::Plugin::mdwn;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 3.00;
 
-sub import { #{{{
-       hook(type => "htmlize", id => "mdwn", call => \&htmlize);
-} # }}}
+sub import {
+       hook(type => "getsetup", id => "mdwn", call => \&getsetup);
+       hook(type => "htmlize", id => "mdwn", call => \&htmlize, longname => "Markdown");
+}
 
-my $markdown_loaded=0;
-sub htmlize (@) { #{{{
+sub getsetup () {
+       return
+               plugin => {
+                       safe => 1,
+                       rebuild => 1, # format plugin
+                       section => "format",
+               },
+               multimarkdown => {
+                       type => "boolean",
+                       example => 0,
+                       description => "enable multimarkdown features?",
+                       safe => 1,
+                       rebuild => 1,
+               },
+}
+
+my $markdown_sub;
+sub htmlize (@) {
        my %params=@_;
        my $content = $params{content};
 
-       if (! $markdown_loaded) {
-               # Note: This hack to make markdown run as a proper perl
-               # module. A proper perl module is available in Debian
-               # for markdown, but not upstream yet.
+       if (! defined $markdown_sub) {
+               # Markdown is forked and splintered upstream and can be
+               # available in a variety of forms. Support them all.
                no warnings 'once';
                $blosxom::version="is a proper perl module too much to ask?";
                use warnings 'all';
 
-               eval q{use Markdown};
-               if ($@) {
-                       eval q{use Text::Markdown};
+               if (exists $config{multimarkdown} && $config{multimarkdown}) {
+                       eval q{use Text::MultiMarkdown};
                        if ($@) {
-                               do "/usr/bin/markdown" ||
-                                       error("failed to load Markdown.pm perl module ($@) or /usr/bin/markdown ($!)");
+                               debug(gettext("multimarkdown is enabled, but Text::MultiMarkdown is not installed"));
+                       }
+                       else {
+                               $markdown_sub=sub {
+                                       Text::MultiMarkdown::markdown(shift, {use_metadata => 0});
+                               }
+                       }
+               }
+               if (! defined $markdown_sub) {
+                       eval q{use Text::Markdown::Discount};
+                       if (! $@) {
+                               $markdown_sub=\&Text::Markdown::Discount::markdown;
+                       }
+               }
+               if (! defined $markdown_sub) {
+                       eval q{use Text::Markdown};
+                       if (! $@) {
+                               if (Text::Markdown->can('markdown')) {
+                                       $markdown_sub=\&Text::Markdown::markdown;
+                               }
+                               else {
+                                       $markdown_sub=\&Text::Markdown::Markdown;
+                               }
+                       }
+                       else {
+                               eval q{use Markdown};
+                               if (! $@) {
+                                       $markdown_sub=\&Markdown::Markdown;
+                               }
+                               else {
+                                       do "/usr/bin/markdown" ||
+                                               error(sprintf(gettext("failed to load Markdown.pm perl module (%s) or /usr/bin/markdown (%s)"), $@, $!));
+                                       $markdown_sub=\&Markdown::Markdown;
+                               }
                        }
                }
-               $markdown_loaded=1;
+               
                require Encode;
        }
        
        # Workaround for perl bug (#376329)
        $content=Encode::encode_utf8($content);
-       $content=Encode::encode_utf8($content);
-       $content=Markdown::Markdown($content);
-       $content=Encode::decode_utf8($content);
+       eval {$content=&$markdown_sub($content)};
+       if ($@) {
+               eval {$content=&$markdown_sub($content)};
+               print STDERR $@ if $@;
+       }
        $content=Encode::decode_utf8($content);
 
        return $content;
-} # }}}
+}
 
 1