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[ikiwiki.git] / IkiWiki / Plugin / recentchangesdiff.pm
1 #!/usr/bin/perl
2 package IkiWiki::Plugin::recentchangesdiff;
3
4 use warnings;
5 use strict;
6 use IkiWiki 2.00;
7 use HTML::Entities;
8
9 my $maxlines=200;
10
11 sub import { #{{{
12         hook(type => "getsetup", id => "recentchangesdiff",
13                 call => \&getsetup);
14         hook(type => "pagetemplate", id => "recentchangesdiff",
15                 call => \&pagetemplate);
16 } #}}}
17
18 sub getsetup () { #{{{
19         return 
20                 plugin => {
21                         safe => 1,
22                         rebuild => 1,
23                 },
24 } #}}}
25
26 sub pagetemplate (@) { #{{{
27         my %params=@_;
28         my $template=$params{template};
29         if ($config{rcs} && exists $params{rev} && length $params{rev} &&
30             $template->query(name => "diff")) {
31                 my @lines=IkiWiki::rcs_diff($params{rev});
32                 if (@lines) {
33                         my $diff;
34                         if (@lines > $maxlines) {
35                                 # only include so many lines of diff
36                                 $diff=join("", @lines[0..($maxlines-1)])."\n".
37                                         gettext("(Diff truncated)");
38                         }
39                         else {
40                                 $diff=join("", @lines);
41                         }
42                         # escape links and preprocessor stuff
43                         $diff = encode_entities($diff, '\[\]');
44                         $template->param(diff => $diff);
45                 }
46         }
47 } #}}}
48
49 1