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 3.00;
   8
   9 # This regexp is based on the one in Text::WikiFormat.
  10 my $link_regexp=qr{
  11         (?<![^A-Za-z0-9\s])     # try to avoid expanding non-links with a
  12                                 # zero width negative lookbehind for
  13                                 # characters that suggest it's not a link
  14         \b                      # word boundry
  15         (
  16                 (?:
  17                         [A-Z]           # Uppercase start
  18                         [a-z0-9]        # followed by lowercase
  19                         \w*             # and rest of word
  20                 )
  21                 {2,}                    # repeated twice
  22         )
  23 }x;
  24
  25 sub import {
  26         hook(type => "getsetup", id => "camelcase", call => \&getsetup);
  27         hook(type => "linkify", id => "camelcase", call => \&linkify);
  28         hook(type => "scan", id => "camelcase", call => \&scan);
  29 }
  30
  31 sub getsetup () {
  32         return
  33                 plugin => {
  34                         safe => 1,
  35                         rebuild => undef,
  36                 },
  37                 camelcase_ignore => {
  38                         type => "string",
  39                         example => [],
  40                         description => "list of words to not turn into links",
  41                         safe => 1,
  42                         rebuild => undef, # might change links
  43                 },
  44 }
  45
  46 sub linkify (@) {
  47         my %params=@_;
  48         my $page=$params{page};
  49         my $destpage=$params{destpage};
  50
  51         $params{content}=~s{$link_regexp}{
  52                 ignored($1) ? $1 : htmllink($page, $destpage, linkpage($1))
  53         }eg;
  54
  55         return $params{content};
  56 }
  57
  58 sub scan (@) {
  59         my %params=@_;
  60         my $page=$params{page};
  61         my $content=$params{content};
  62
  63         while ($content =~ /$link_regexp/g) {
  64                 add_link($page, linkpage($1)) unless ignored($1)
  65         }
  66 }
  67
  68 sub ignored ($) {
  69         my $word=lc shift;
  70         grep { $word eq lc $_ } @{$config{'camelcase_ignore'}}
  71 }
  72
  73 1