X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/6551c1e5609967c0c7f947fa0e9d85d24e454d37..9dce803faf4dac9ee9249a108e9054e296e1f741:/IkiWiki/Plugin/mdwn.pm

diff --git a/IkiWiki/Plugin/mdwn.pm b/IkiWiki/Plugin/mdwn.pm
index a344de067..0dc0cc336 100644
--- a/IkiWiki/Plugin/mdwn.pm
+++ b/IkiWiki/Plugin/mdwn.pm
@@ -4,33 +4,94 @@ package IkiWiki::Plugin::mdwn;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 3.00;
 
-sub import { #{{{
-	IkiWiki::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");
+}
 
-sub htmlize ($) { #{{{
-	my $content = shift;
+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,
+		},
+}
 
-	if (! $INC{"/usr/bin/markdown"}) {
-		# Note: a proper perl module is available in Debian
-		# for markdown, but not upstream yet.
+my $markdown_sub;
+sub htmlize (@) {
+	my %params=@_;
+	my $content = $params{content};
+
+	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';
-		do "/usr/bin/markdown";
+
+		if (exists $config{multimarkdown} && $config{multimarkdown}) {
+			eval q{use Text::MultiMarkdown};
+			if ($@) {
+				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;
+				}
+			}
+		}
+		
 		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