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#!/usr/bin/perl
package IkiWiki::Plugin::link;
use warnings;
use strict;
use IkiWiki 2.00;
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) {
push @{$links{$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};
} #}}}
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