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                         $Markdown::g_empty_element_suffix=">"; # HTML output
  30                 }
  31                 else {
  32                         eval q{use Text::Markdown};
  33                         if (! $@) {
  34                                 $markdown_sub=\&Text::Markdown::Markdown;
  35                                 $Text::Markdown::g_empty_element_suffix=">"; # HTML output
  36                         }
  37                         else {
  38                                 do "/usr/bin/markdown" ||
  39                                         error(sprintf(gettext("failed to load Markdown.pm perl module (%s) or /usr/bin/markdown (%s)"), $@, $!));
  40                                 $markdown_sub=\&Markdown::Markdown;
  41                                 $Markdown::g_empty_element_suffix=">"; # HTML output
  42                         }
  43                 }
  44                 require Encode;
  45         }
  46
  47         # Workaround for perl bug (#376329)
  48         $content=Encode::encode_utf8($content);
  49         $content=Encode::encode_utf8($content);
  50         $content=&$markdown_sub($content);
  51         $content=Encode::decode_utf8($content);
  52         $content=Encode::decode_utf8($content);
  53
  54         return $content;
  55 } # }}}
  56
  57 1