IkiWiki/Plugin/mdwn.pm

   1 #!/usr/bin/perl
   2 # Markdown markup language
   3 package IkiWiki::Plugin::mdwn;
   4
   5 use warnings;
   6 use strict;
   7 use IkiWiki 2.00;
   8
   9 sub import { #{{{
  10         hook(type => "htmlize", id => "mdwn", call => \&htmlize);
  11 } # }}}
  12
  13 my $markdown_sub;
  14 sub htmlize (@) { #{{{
  15         my %params=@_;
  16         my $content = $params{content};
  17
  18         if (! defined $markdown_sub) {
  19                 # Markdown is forked and splintered upstream and can be
  20                 # available in a variety of incompatible forms. Support
  21                 # them all.
  22                 no warnings 'once';
  23                 $blosxom::version="is a proper perl module too much to ask?";
  24                 use warnings 'all';
  25
  26                 eval q{use Markdown};
  27                 if (! $@) {
  28                         $markdown_sub=\&Markdown::Markdown;
  29                 }
  30                 else {
  31                         eval q{use Text::Markdown};
  32                         if (! $@) {
  33                                 if (Text::Markdown->can('markdown')) {
  34                                         $markdown_sub=\&Text::Markdown::markdown;
  35                                 }
  36                                 else {
  37                                         $markdown_sub=\&Text::Markdown::Markdown;
  38                                 }
  39                         }
  40                         else {
  41                                 do "/usr/bin/markdown" ||
  42                                         error(sprintf(gettext("failed to load Markdown.pm perl module (%s) or /usr/bin/markdown (%s)"), $@, $!));
  43                                 $markdown_sub=\&Markdown::Markdown;
  44                         }
  45                 }
  46                 require Encode;
  47         }
  48
  49         # Workaround for perl bug (#376329)
  50         $content=Encode::encode_utf8($content);
  51         eval {$content=&$markdown_sub($content)};
  52         if ($@) {
  53                 eval {$content=&$markdown_sub($content)};
  54                 print STDERR $@ if $@;
  55         }
  56         $content=Encode::decode_utf8($content);
  57
  58         return $content;
  59 } # }}}
  60
  61 1