Fix numeric comparisons with undef

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

diff --git a/IkiWiki/Plugin/mdwn.pm b/IkiWiki/Plugin/mdwn.pm
index 0e134c8224f470c6cc101e0b14e6106c44a541e6..014e78eea124604e249d35d42a6b9ccf6524c254 100644 (file)
--- a/IkiWiki/Plugin/mdwn.pm
+++ b/IkiWiki/Plugin/mdwn.pm
@@ -8,7 +8,7 @@ use IkiWiki 3.00;
 
 sub import {
        hook(type => "getsetup", id => "mdwn", call => \&getsetup);
 
 sub import {
        hook(type => "getsetup", id => "mdwn", call => \&getsetup);

-       hook(type => "htmlize", id => "mdwn", call => \&htmlize);
+       hook(type => "htmlize", id => "mdwn", call => \&htmlize, longname => "Markdown");

 }
 
 sub getsetup () {
 }
 
 sub getsetup () {


@@ -16,6 +16,7 @@ sub getsetup () {
                plugin => {
                        safe => 1,
                        rebuild => 1, # format plugin
                plugin => {
                        safe => 1,
                        rebuild => 1, # format plugin

+                       section => "format",

                },
                multimarkdown => {
                        type => "boolean",
                },
                multimarkdown => {
                        type => "boolean",


@@ -24,6 +25,13 @@ sub getsetup () {
                        safe => 1,
                        rebuild => 1,
                },
                        safe => 1,
                        rebuild => 1,
                },

+               nodiscount => {
+                       type => "boolean",
+                       example => 0,
+                       description => "disable use of markdown discount?",
+                       safe => 1,
+                       rebuild => 1,
+               },

 }
 
 my $markdown_sub;
 }
 
 my $markdown_sub;


@@ -43,8 +51,29 @@ sub htmlize (@) {
                        if ($@) {
                                debug(gettext("multimarkdown is enabled, but Text::MultiMarkdown is not installed"));
                        }
                        if ($@) {
                                debug(gettext("multimarkdown is enabled, but Text::MultiMarkdown is not installed"));
                        }

-                       $markdown_sub=sub {
-                               Text::MultiMarkdown::markdown(shift, {use_metadata => 0});
+                       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;
+                               }

                        }
                }
                if (! defined $markdown_sub) {
                        }
                }
                if (! defined $markdown_sub) {


@@ -63,8 +92,9 @@ sub htmlize (@) {
                                        $markdown_sub=\&Markdown::Markdown;
                                }
                                else {
                                        $markdown_sub=\&Markdown::Markdown;
                                }
                                else {

+                                       my $error = $@;

                                        do "/usr/bin/markdown" ||
                                        do "/usr/bin/markdown" ||

-                                               error(sprintf(gettext("failed to load Markdown.pm perl module (%s) or /usr/bin/markdown (%s)"), $@, $!));
+                                               error(sprintf(gettext("failed to load Markdown.pm perl module (%s) or /usr/bin/markdown (%s)"), $error, $!));

                                        $markdown_sub=\&Markdown::Markdown;
                                }
                        }
                                        $markdown_sub=\&Markdown::Markdown;
                                }
                        }