forked from github/kensanata.oddmuse
52 lines
1.8 KiB
Perl
52 lines
1.8 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: headers.pl,v 1.2 2004/10/16 16:18:30 as Exp $</p>';
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push(@MyRules, \&HeadersRule);
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# The trickiest part is the first rule. It finds titles like the following:
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#
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# foo
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# ===
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#
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# It ignores the amount of whitespace after the title and the
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# underlining, and it allows underlining using ==== or ----. The
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# underlining has to be exactly as wide as the title itself. If it is
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# too long or too short, the entire thing is not a title.
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#
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# If the length does not match, pos is reset and zero is returned so
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# that the remaining rules will be tested instead.
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sub HeadersRule {
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my $oldpos = pos;
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if ($bol && ((m/\G((.+?)[ \t]*\n(-+|=+)[ \t]*\n)/gc
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and (length($2) == length($3)))
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or ((pos = $oldpos) and 0))) {
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if (substr($3,0,1) eq '=') {
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return CloseHtmlEnvironments() . "<h2>$2</h2>";
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} else {
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return CloseHtmlEnvironments() . "<h3>$2</h3>";
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}
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} elsif ($bol && m/\G(\s*\n)*----+[ \t]*\n?/cg) {
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return CloseHtmlEnvironments() . $q->hr();
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}
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return undef;
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}
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