IkiWiki/Plugin/hnb.pm

   1 #!/usr/bin/perl
   2 # hnb markup
   3 # Licensed under the GPL v2 or greater
   4 # Copyright (C) 2008 by Axel Beckert <abe@deuxchevaux.org>
   5 #
   6 # TODO: Make a switch to allow both HTML export routines of hnb
   7 # (`export_html` and `export_htmlcss`) to be used.
   8
   9 package IkiWiki::Plugin::hnb;
  10
  11 use warnings;
  12 use strict;
  13 use IkiWiki 3.00;
  14 use File::Temp qw(:mktemp);
  15
  16 sub import {
  17         hook(type => "getsetup", id => "hnb", call => \&getsetup);
  18         hook(type => "htmlize", id => "hnb", call => \&htmlize);
  19 }
  20
  21 sub getsetup () {
  22         return
  23                 plugin => {
  24                         safe => 1,
  25                         rebuild => 1, # format plugin
  26                         section => "format",
  27                 },
  28 }
  29
  30 sub htmlize (@) {
  31         my %params = @_;
  32
  33         # hnb outputs version number etc. every time to STDOUT, so
  34         # using files makes it easier to seprarate.
  35
  36         my ($infh, $tmpin)  = mkstemp( "/tmp/ikiwiki-hnbin.XXXXXXXXXX"  );
  37         my ($outfh, $tmpout) = mkstemp( "/tmp/ikiwiki-hnbout.XXXXXXXXXX" );
  38
  39         open(TMP, '>', $tmpin) or die "Can't write to $tmpin: $!";
  40         print TMP $params{content};
  41         close TMP;
  42
  43         system("hnb '$tmpin' 'go root' 'export_html $tmpout' > /dev/null");
  44         unlink $tmpin;
  45
  46         open(TMP, '<', $tmpout) or die "Can't read from $tmpout: $!";
  47         local $/;
  48         my $ret = <TMP>;
  49         close TMP;
  50         unlink $tmpout;
  51
  52         $ret =~ s/.*<body>//si;
  53         $ret =~ s/<body>.*//si;
  54
  55         return $ret;
  56 }
  57
  58 1;