ikiwiki/IkiWiki/Plugin/headinganchors.pm

44 lines
883 B
Perl

#!/usr/bin/perl
# quick HTML heading id adder by Paul Wise
package IkiWiki::Plugin::headinganchors;
use warnings;
use strict;
use IkiWiki 3.00;
use URI::Escape;
sub import {
hook(type => "getsetup", id => "headinganchors", call => \&getsetup);
hook(type => "sanitize", id => "headinganchors", call => \&headinganchors);
}
sub getsetup () {
return
plugin => {
safe => 1,
rebuild => undef,
section => "widget",
},
}
sub text_to_anchor {
my $str = shift;
$str =~ s/^\s+//;
$str =~ s/\s+$//;
$str =~ s/\s/_/g;
$str =~ s/"//g;
$str =~ s/^[^a-zA-Z]/z-/; # must start with an alphabetical character
$str = uri_escape_utf8($str);
$str =~ s/%/./g;
return $str;
}
sub headinganchors (@) {
my %params=@_;
my $content=$params{content};
$content=~s{<h([0-9])>([^>]*)</h([0-9])>}{'<h'.$1.' id="'.text_to_anchor($2).'">'.$2.'</h'.$3.'>'}gie;
return $content;
}
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