Files
oddmuse/modules/toc.pl
Alex Schroeder 0938829975 new
2004-02-09 20:25:16 +00:00

66 lines
2.0 KiB
Perl

# Copyright (C) 2004 Alex Schroeder <alex@emacswiki.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.
# 59 Temple Place, Suite 330
# Boston, MA 02111-1307 USA
$ModulesDescription .= '<p>$Id: toc.pl,v 1.1 2004/02/09 20:25:16 as Exp $</p>';
*OldTocGetHeader = *GetHeader;
*GetHeader = *NewTocGetHeader;
sub NewTocGetHeader {
my ($id) = @_;
my $result = OldGetHeader(@_);
# append TOC to header
$result .= TocHeadings() if $id;
return $result;
}
sub TocHeadings {
$page = GetPageContent(shift);
# ignore all the stuff that gets processed anyway
$page =~ s/<nowiki>(.*\n)*<\/nowiki>//gi;
$page =~ s/<pre>(.*\n)*<\/pre>//gi;
$page =~ s/<code>(.*\n)*<\/code>//gi;
my $Headings = '';
my $HeadingsLevel = 1;
# try to determine what will end up as a header
foreach $line (grep(/^\=+.*\=+[ \t]*$/, split(/\n/, $page))) {
next unless $line =~ /^(\=+)[ \t]*(.*?)[ \t]*\=+[ \t]*$/;
my $depth = length($1);
my $text = $2;
next unless $text;
my $link = UrlEncode($text);
$depth = 2 if $depth < 2;
$depth = 6 if $depth > 6;
while ($HeadingsLevel < $depth) {
$Headings .= '<ol>';
$HeadingsLevel++;
}
while ($HeadingsLevel > $depth) {
$Headings .= '</ol>';
$HeadingsLevel--;
}
$Headings .= '<li>' . $text . '</li>';
}
while ($HeadingsLevel > 1) {
$Headings .= '</ol>';
$HeadingsLevel--;
}
return '<div class="toc">' . $Headings . '</div>' if $Headings;
}