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1 #!/usr/bin/perl
2 # Markdown markup language
3 package IkiWiki::Plugin::mdwn;
5 use warnings;
6 use strict;
7 use IkiWiki 3.00;
9 sub import {
10         hook(type => "getsetup", id => "mdwn", call => \&getsetup);
11         hook(type => "htmlize", id => "mdwn", call => \&htmlize, longname => "Markdown");
12 }
14 sub getsetup () {
15         return
16                 plugin => {
17                         safe => 1,
18                         rebuild => 1, # format plugin
19                         section => "format",
20                 },
21                 multimarkdown => {
22                         type => "boolean",
23                         example => 0,
24                         description => "enable multimarkdown features?",
25                         safe => 1,
26                         rebuild => 1,
27                 },
28 }
30 my $markdown_sub;
31 sub htmlize (@) {
32         my %params=@_;
33         my $content = $params{content};
35         if (! defined $markdown_sub) {
36                 # Markdown is forked and splintered upstream and can be
37                 # available in a variety of forms. Support them all.
38                 no warnings 'once';
39                 $blosxom::version="is a proper perl module too much to ask?";
40                 use warnings 'all';
42                 if (exists $config{multimarkdown} && $config{multimarkdown}) {
43                         eval q{use Text::MultiMarkdown};
44                         if ($@) {
45                                 debug(gettext("multimarkdown is enabled, but Text::MultiMarkdown is not installed"));
46                         }
47                         else {
48                                 $markdown_sub=sub {
49                                         Text::MultiMarkdown::markdown(shift, {use_metadata => 0});
50                                 }
51                         }
52                 }
53                 if (! defined $markdown_sub) {
54                         eval q{use Text::Markdown};
55                         if (! $@) {
56                                 if (Text::Markdown->can('markdown')) {
57                                         $markdown_sub=\&Text::Markdown::markdown;
58                                 }
59                                 else {
60                                         $markdown_sub=\&Text::Markdown::Markdown;
61                                 }
62                         }
63                         else {
64                                 eval q{use Markdown};
65                                 if (! $@) {
66                                         $markdown_sub=\&Markdown::Markdown;
67                                 }
68                                 else {
69                                         do "/usr/bin/markdown" ||
70                                                 error(sprintf(gettext("failed to load Markdown.pm perl module (%s) or /usr/bin/markdown (%s)"), $@, $!));
71                                         $markdown_sub=\&Markdown::Markdown;
72                                 }
73                         }
74                 }
75                 
76                 require Encode;
77         }
78         
79         # Workaround for perl bug (#376329)
80         $content=Encode::encode_utf8($content);
81         eval {$content=&$markdown_sub($content)};
82         if ($@) {
83                 eval {$content=&$markdown_sub($content)};
84                 print STDERR $@ if $@;
85         }
86         $content=Encode::decode_utf8($content);
88         return $content;
89 }
91 1