forked from github/kensanata.oddmuse
75 lines
2.2 KiB
Perl
75 lines
2.2 KiB
Perl
# Copyright (C) 2004 Alex Schroeder <alex@emacswiki.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the
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# Free Software Foundation, Inc.
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# 59 Temple Place, Suite 330
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# Boston, MA 02111-1307 USA
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$ModulesDescription .= '<p>$Id: toc.pl,v 1.6 2004/03/12 11:17:33 as Exp $</p>';
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*WikiHeading = *NewTocWikiHeading;
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sub NewTocWikiHeading {
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my ($depth, $text) = @_;
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$depth = length($depth);
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$depth = 6 if ($depth > 6);
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my $link = UrlEncode($text);
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return "<h$depth><a name=\"$link\">$text</a></h$depth>";
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}
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*OldTocGetHeader = *GetHeader;
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*GetHeader = *NewTocGetHeader;
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sub NewTocGetHeader {
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my ($id) = @_;
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my $result = OldTocGetHeader(@_);
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# append TOC to header
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$result .= TocHeadings($id) if $id;
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return $result;
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}
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sub TocHeadings {
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$page = GetPageContent(shift);
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# ignore all the stuff that gets processed anyway
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foreach my $tag ('nowiki', 'pre', 'code') {
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$page =~ s|<$tag>(.*\n)*?</$tag>||gi;
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}
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my $Headings = '';
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my $HeadingsLevel = 1;
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# try to determine what will end up as a header
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foreach $line (grep(/^\=+.*\=+[ \t]*$/, split(/\n/, $page))) {
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next unless $line =~ /^(\=+)[ \t]*(.*?)[ \t]*\=+[ \t]*$/;
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my $depth = length($1);
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my $text = $2;
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next unless $text;
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my $link = UrlEncode($text);
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$depth = 2 if $depth < 2;
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$depth = 6 if $depth > 6;
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while ($HeadingsLevel < $depth) {
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$Headings .= '<ol>';
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$HeadingsLevel++;
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}
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while ($HeadingsLevel > $depth) {
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$Headings .= '</ol>';
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$HeadingsLevel--;
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}
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$Headings .= "<li><a href=\"#$link\">$text</a></li>";
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}
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while ($HeadingsLevel > 1) {
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$Headings .= '</ol>';
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$HeadingsLevel--;
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}
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return '<div class="toc">' . $Headings . '</div>' if $Headings;
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}
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