IkiWiki/Plugin/camelcase.pm

   1 #!/usr/bin/perl
   2 # CamelCase links
   3 package IkiWiki::Plugin::camelcase;
   4
   5 use warnings;
   6 use strict;
   7 use IkiWiki 2.00;
   8
   9 sub import { #{{{
  10         hook(type => "filter", id => "camelcase", call => \&filter);
  11 } # }}}
  12
  13 sub filter (@) { #{{{
  14         my %params=@_;
  15
  16         # Make CamelCase links work by promoting them to fullfledged
  17         # WikiLinks. This regexp is based on the one in Text::WikiFormat.
  18         $params{content}=~s{
  19                 (?<![[|"/>=])   # try to avoid expanding non-links
  20                                 # with a zero width negative lookbehind for
  21                                 # characters that suggest it's not a link
  22                 \b              # word boundry
  23                 (
  24                         (?:
  25                                 [A-Z]           # Uppercase start
  26                                 [a-z0-9]        # followed by lowercase
  27                                 \w*             # and rest of word
  28                         )
  29                         {2,}                    # repeated twice
  30                 )
  31         }{[[$1]]}gx;
  32
  33         return $params{content};
  34 } #}}}
  35
  36 1