aboutsummaryrefslogtreecommitdiff
path: root/IkiWiki/Plugin/autoindex.pm
blob: c3eb53300e426e0bfb72bc7df2d5e019024b9e39 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
#!/usr/bin/perl
package IkiWiki::Plugin::autoindex;

use warnings;
use strict;
use IkiWiki 3.00;
use Encode;

sub import {
	hook(type => "getsetup", id => "autoindex", call => \&getsetup);
	hook(type => "refresh", id => "autoindex", call => \&refresh);
}

sub getsetup () {
	return
		plugin => {
			safe => 1,
			rebuild => 0,
		},
}

sub genindex ($) {
	my $page=shift;
	my $file=newpagefile($page, $config{default_pageext});
	my $template=template("autoindex.tmpl");
	$template->param(page => $page);
	writefile($file, $config{srcdir}, $template->output);
	if ($config{rcs}) {
		IkiWiki::rcs_add($file);
	}
}

sub refresh () {
	eval q{use File::Find};
	error($@) if $@;
	eval q{use Cwd};
	error($@) if $@;
	my $origdir=getcwd();

	my (%pages, %dirs);
	foreach my $dir ($config{srcdir}, @{$config{underlaydirs}}, $config{underlaydir}) {
		chdir($dir) || next;

		find({
			no_chdir => 1,
			wanted => sub {
				my $file=decode_utf8($_);
				$file=~s/^\.\/?//;
				return unless length $file;
				if (IkiWiki::file_pruned($file)) {
					$File::Find::prune=1;
				}
				elsif (! -l $_) {
					my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
					return unless defined $f;
					return if $f =~ /\._([^.]+)$/; # skip internal page
					if (! -d _) {
						$pages{pagename($f)}=1;
					}
					elsif ($dir eq $config{srcdir}) {
						$dirs{$f}=1;
					}
				}
			}
		}, '.');

		chdir($origdir) || die "chdir $origdir: $!";
	}
	
	my %deleted;
	if (ref $wikistate{autoindex}{deleted}) {
		%deleted=%{$wikistate{autoindex}{deleted}};
	}
        elsif (ref $pagestate{index}{autoindex}{deleted}) {
		# compatability code
		%deleted=%{$pagestate{index}{autoindex}{deleted}};
		delete $pagestate{index}{autoindex};
	}

	if (keys %deleted) {
		foreach my $dir (keys %deleted) {
			# remove deleted page state if the deleted page is re-added,
			# or if all its subpages are deleted
			if ($deleted{$dir} && (exists $pages{$dir} ||
			                       ! grep /^$dir\/.*/, keys %pages)) {
				delete $deleted{$dir};
			}
		}
		$wikistate{autoindex}{deleted}=\%deleted;
	}

	my @needed;
	foreach my $dir (keys %dirs) {
		if (! exists $pages{$dir} && ! $deleted{$dir} &&
		    grep /^$dir\/.*/, keys %pages) {
		    	if (exists $IkiWiki::pagemtime{$dir}) {
				# This page must have just been deleted, so
				# don't re-add it. And remember it was
				# deleted.
				if (! ref $wikistate{autoindex}{deleted}) {
					$wikistate{autoindex}{deleted}={};
				}
				${$wikistate{autoindex}{deleted}}{$dir}=1;
			}
			else {
				push @needed, $dir;
			}
		}
	}
	
	if (@needed) {
		if ($config{rcs}) {
			IkiWiki::disable_commit_hook();
		}
		foreach my $page (@needed) {
			genindex($page);
		}
		if ($config{rcs}) {
			IkiWiki::rcs_commit_staged(
				gettext("automatic index generation"),
				undef, undef);
			IkiWiki::enable_commit_hook();
		}
	}
}

1