X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/eec482aa65ba5d6274cba803f527af974de35007..578d59567a0f84fe62016fbbd4caf98509e14049:/IkiWiki/Plugin/mdwn.pm

diff --git a/IkiWiki/Plugin/mdwn.pm b/IkiWiki/Plugin/mdwn.pm
index 2ffe7bc3e..430194bff 100644
--- a/IkiWiki/Plugin/mdwn.pm
+++ b/IkiWiki/Plugin/mdwn.pm
@@ -4,30 +4,79 @@ package IkiWiki::Plugin::mdwn;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
+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");
+}
+
+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,
+		},
+		nodiscount => {
+			type => "boolean",
+			example => 0,
+			description => "disable use of markdown discount?",
+			safe => 1,
+			rebuild => 1,
+		},
+}
 
 my $markdown_sub;
-sub htmlize (@) { #{{{
+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 incompatible forms. Support
-		# them all.
+		# 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 (! $@) {
-			$markdown_sub=\&Markdown::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 &&
+		    (! exists $config{nodiscount} || ! $config{nodiscount})) {
+			eval q{use Text::Markdown::Discount};
+			if (! $@) {
+				$markdown_sub=sub {
+					my $t=shift;
+					# Workaround for discount binding bug
+					# https://rt.cpan.org/Ticket/Display.html?id=73657
+					return "" if $t=~/^\s*$/;
+					# Workaround for discount's eliding
+					# of <style> blocks.
+					# https://rt.cpan.org/Ticket/Display.html?id=74016
+					$t=~s/<style/<elyts/ig;
+					my $r=Text::Markdown::Discount::markdown($t);
+					$r=~s/<elyts/<style/ig;
+					return $r;
+				}
+			}
 		}
-		else {
+		if (! defined $markdown_sub) {
 			eval q{use Text::Markdown};
 			if (! $@) {
 				if (Text::Markdown->can('markdown')) {
@@ -38,11 +87,18 @@ sub htmlize (@) { #{{{
 				}
 			}
 			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;
+				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;
 	}
 	
@@ -56,6 +112,6 @@ sub htmlize (@) { #{{{
 	$content=Encode::decode_utf8($content);
 
 	return $content;
-} # }}}
+}
 
 1