IkiWiki/Plugin/shortcut.pm

   1 #!/usr/bin/perl
   2 package IkiWiki::Plugin::shortcut;
   3
   4 use warnings;
   5 use strict;
   6 use IkiWiki;
   7
   8 sub import { #{{{
   9         hook(type => "checkconfig", id => "shortcut", call => \&checkconfig);
  10         hook(type => "preprocess", id => "shortcut", call => \&preprocess_shortcut);
  11 } #}}}
  12
  13 sub checkconfig () { #{{{
  14         # Preprocess the shortcuts page to get all the available shortcuts
  15         # defined before other pages are rendered.
  16         IkiWiki::preprocess("shortcuts", "shortcuts",
  17                 readfile(srcfile("shortcuts.mdwn")));
  18 } # }}}
  19
  20 sub preprocess_shortcut (@) { #{{{
  21         my %params=@_;
  22
  23         if (! defined $params{name} || ! defined $params{url}) {
  24                 return "[[shortcut missing name or url parameter]]";
  25         }
  26
  27         hook(type => "preprocess", no_override => 1, id => $params{name},
  28                 call => sub { shortcut_expand($params{name}, $params{url}, @_) });
  29
  30         return "shortcut $params{name} points to $params{url}";
  31 } # }}}
  32
  33 sub shortcut_expand ($$@) { #{{{
  34         my $name=shift;
  35         my $url=shift;
  36         my %params=@_;
  37
  38         # Get params in original order.
  39         my @params;
  40         while (@_) {
  41                 my $key=shift;
  42                 my $value=shift;
  43                 push @params, $key if ! length $value;
  44         }
  45
  46         # If the shortcuts page changes, all pages that use shortcuts will
  47         # need to be updated.
  48         add_depends($params{destpage}, "shortcuts");
  49
  50         my $text=join(" ", @params);
  51         my $encoded_text=$text;
  52         $encoded_text=~s/([^A-Za-z0-9])/sprintf("%%%02X", ord($1))/seg;
  53
  54         $url=~s/\%s/$encoded_text/g;
  55         return "<a href=\"$url\">$text</a>";
  56 } #}}}
  57
  58 1