#!/usr/bin/perl
package IkiWiki::Plugin::recentchangesdiff;
use warnings;
use strict;
use IkiWiki 3.00;
use HTML::Entities;
my $maxlines=200;
sub import {
add_underlay("javascript");
hook(type => "getsetup", id => "recentchangesdiff",
call => \&getsetup);
hook(type => "pagetemplate", id => "recentchangesdiff",
call => \&pagetemplate);
hook(type => "format", id => "recentchangesdiff.pm", call => \&format);
}
sub getsetup () {
return
plugin => {
safe => 1,
rebuild => 1,
},
}
sub pagetemplate (@) {
my %params=@_;
my $template=$params{template};
if ($config{rcs} && exists $params{rev} && length $params{rev} &&
$template->query(name => "diff")) {
my @lines=IkiWiki::rcs_diff($params{rev}, $maxlines+1);
if (@lines) {
my $diff;
my $trunc=0;
if (@lines > $maxlines) {
$diff=join("", @lines[0..($maxlines-1)]);
$trunc=1;
}
else {
$diff=join("", @lines);
}
if (length $diff > 102400) {
$diff=substr($diff, 0, 10240);
$trunc=1;
}
if ($trunc) {
$diff.="\n".gettext("(Diff truncated)");
}
# escape html
$diff = encode_entities($diff);
# escape links and preprocessor stuff
$diff = encode_entities($diff, '\[\]');
$template->param(diff => $diff);
}
}
}
sub format (@) {
my %params=@_;
if (! ($params{content}=~s!^(<body[^>]*>)!$1.include_javascript($params{page})!em)) {
# no <body> tag, probably in preview mode
$params{content}=include_javascript(undef).$params{content};
}
return $params{content};
}
# taken verbatim from toggle.pm
sub include_javascript ($) {
my $from=shift;
return '<script src="'.urlto("ikiwiki/ikiwiki.js", $from).
'" type="text/javascript" charset="utf-8"></script>'."\n".
'<script src="'.urlto("ikiwiki/toggle.js", $from).
'" type="text/javascript" charset="utf-8"></script>';
}
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