# The LearningOnline Network with CAPA
# TeX Conversion Module
#
# 05/29/00,05/30,10/11,10/20 Gerd Kortemeyer
# 05/03/2001 Scott Harrison
package Apache::lontexconvert;
use strict;
use tth;
use vars qw($errorstring);
use Apache::lonmsg;
# ====================================================================== Header
sub header {
$errorstring='';
my $time=time;
my $addhead=<<END;
<script language="JavaScript">
if (window.location.pathname!="/res/adm/pages/menu.html") {
menu=window.open("","LONCAPAmenu");
menu.currentURL=window.location.href;
}
</script>
END
if ($ENV{'browser.mathml'}) {
&tth::ttminit();
return '<?xml version="1.0"?>'
.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'
.'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
.'[<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">]>'
.'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
.'xmlns="http://www.w3.org/TR/REC-html40">'
."<head>$addhead</head>"
."\n";
} else {
&tth::tthinit();
my $headerstring='<html>';
if ($ENV{'browser.os'} eq 'mac') {
$headerstring.="<head>\n"
.'<meta Content-Type="text/html; charset=x-mac-roman">'
."\n$addhead</head>\n";
}
else {
$headerstring.="<head>$addhead</head>";
}
return $headerstring."\n";
}
}
# ================================================================== Conversion
sub converted {
my $texstring=shift;
my $xmlstring;
if ($ENV{'browser.mathml'}) {
$xmlstring=&tth::ttm($$texstring);
$xmlstring=~s/\<math\>/\<math xmlns=\"\&mathns\;\"\>/g;
$xmlstring=~s/\<br\>/\<br\/\>/g;
$xmlstring=~s/\<p\>/\<p\>\<\/p\>/g;
$errorstring.=&tth::ttmerror();
} else {
$xmlstring=&tth::tth($$texstring);
$errorstring.=&tth::ttherror();
}
return $xmlstring;
}
# ====================================================================== Footer
sub footer {
my $xmlstring='';
if ($ENV{'request.state'} eq 'construct') {
$xmlstring.='<address>'.$errorstring.'</address>';
} else {
&Apache::lonmsg::author_res_msg($ENV{'request.filename'},$errorstring);
}
# -------------------------------------------------------------------- End Body
$xmlstring.='</html>';
return $xmlstring;
}
1;
__END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>