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