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
|
#!/usr/bin/perl
package IkiWiki::Plugin::link;
use warnings;
use strict;
use IkiWiki 3.00;
my $link_regexp;
sub import {
hook(type => "getsetup", id => "link", call => \&getsetup);
hook(type => "checkconfig", id => "link", call => \&checkconfig);
hook(type => "linkify", id => "link", call => \&linkify);
hook(type => "scan", id => "link", call => \&scan);
hook(type => "renamepage", id => "link", call => \&renamepage);
}
sub getsetup () {
return
plugin => {
safe => 1,
rebuild => 1,
},
}
sub checkconfig () {
if ($config{prefix_directives}) {
$link_regexp = qr{
\[\[(?=[^!]) # beginning of link
(?:
([^\]\|]+) # 1: link text
\| # followed by '|'
)? # optional
([^\n\r\]#]+) # 2: page to link to
(?:
\# # '#', beginning of anchor
([^\s\]]+) # 3: anchor text
)? # optional
\]\] # end of link
}x;
}
else {
$link_regexp = qr{
\[\[ # beginning of link
(?:
([^\]\|\n\s]+) # 1: link text
\| # followed by '|'
)? # optional
([^\s\]#]+) # 2: page to link to
(?:
\# # '#', beginning of anchor
([^\s\]]+) # 3: anchor text
)? # optional
\]\] # end of link
}x,
}
}
sub linkify (@) {
my %params=@_;
my $page=$params{page};
my $destpage=$params{destpage};
$params{content} =~ s{(\\?)$link_regexp}{
defined $2
? ( $1
? "[[$2|$3".($4 ? "#$4" : "")."]]"
: htmllink($page, $destpage, linkpage($3),
anchor => $4, linktext => pagetitle($2)))
: ( $1
? "[[$3".($4 ? "#$4" : "")."]]"
: htmllink($page, $destpage, linkpage($3),
anchor => $4))
}eg;
return $params{content};
}
sub scan (@) {
my %params=@_;
my $page=$params{page};
my $content=$params{content};
while ($content =~ /(?<!\\)$link_regexp/g) {
add_link($page, linkpage($2));
}
}
sub renamepage (@) {
my %params=@_;
my $page=$params{page};
my $old=$params{oldpage};
my $new=$params{newpage};
$params{content} =~ s{(?<!\\)$link_regexp}{
my $linktext=$2;
my $link=$linktext;
if (bestlink($page, linkpage($linktext)) eq $old) {
$link=pagetitle($new, 1);
$link=~s/ /_/g;
if ($linktext =~ m/.*\/*?[A-Z]/) {
# preserve leading cap of last component
my @bits=split("/", $link);
$link=join("/", @bits[0..$#bits-1], ucfirst($bits[$#bits]));
}
if (index($linktext, "/") == 0) {
# absolute link
$link="/$link";
}
}
defined $1
? ( "[[$1|$link".($3 ? "#$3" : "")."]]" )
: ( "[[$link". ($3 ? "#$3" : "")."]]" )
}eg;
return $params{content};
}
1
|