#!/usr/bin/perl

my @lines = <>;
my $text = join('', @lines);
my $title;
if($text =~ /^\*\* (.*?)\n/m){
	$title = $1;
	$text = $` . $';
}else{
	$title = "Untitled";
}

$text =~ s/[ \t]+$//mg;
$text =~ s/^$/<br><br>/mg;
$text =~ s!\b([a-z0-9]+\.(c|s|pl|h))\b!<a href="src/$1.html">$1</a>!g;
$text =~ s!^(Lecture [0-9]+\. .*?)$!<b><i>$1</i></b>!mg;
$text =~ s!^\* (.*?)$!<h2>$1</h2>!mg;
$text =~ s!((<br>)+\n)+<h2>!\n<h2>!g;
$text =~ s!</h2>\n?((<br>)+\n)+!</h2>\n!g;
$text =~ s!((<br>)+\n)+<b>!\n<br><br><b>!g;
$text =~ s!\b\s*--\s*\b!\&ndash;!g;
$text =~ s!\[([^\[\]|]+) \| ([^\[\]]+)\]!<a href="$1">$2</a>!g;
$text =~ s!\[([^ \t]+)\]!<a href="$1">$1</a>!g;

$text =~ s!``!\&ldquo;!g;
$text =~ s!''!\&rdquo;!g;

print <<EOF;
<!-- AUTOMATICALLY GENERATED: EDIT the .txt version, not the .html version -->
<html>
<head>
<title>$title</title>
<style type="text/css"><!--
body {
	background-color: white;
	color: black;
	font-size: medium;
	line-height: 1.2em;
	margin-left: 0.5in;
	margin-right: 0.5in;
	margin-top: 0;
	margin-bottom: 0;
}

h1 {
	text-indent: 0in;
	text-align: left;
	margin-top: 2em;
	font-weight: bold;
	font-size: 1.4em;
}

h2 {
	text-indent: 0in;
	text-align: left;
	margin-top: 2em;
	font-weight: bold;
	font-size: 1.2em;
}
--></style>
</head>
<body bgcolor=#ffffff>
<h1>$title</h1>
<br><br>
EOF
print $text;
print <<EOF;
</body>
</html>
EOF