loncom/xml/lontexconvert.pm - diff

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Diff for /loncom/xml/lontexconvert.pm between versions 1.4 and 1.16

version 1.4, 2001/11/29 19:03:58	version 1.16, 2003/02/14 19:35:55
Line 37	Line 37
# to any other parties under any circumstances.	# to any other parties under any circumstances.
#	#
# 05/29/00,05/30,10/11,10/20 Gerd Kortemeyer	# 05/29/00,05/30,10/11,10/20 Gerd Kortemeyer
# 05/03/2001 Scott Harrison
# 5/4 Gerd Kortemeyer	# 5/4 Gerd Kortemeyer

package Apache::lontexconvert;	package Apache::lontexconvert;
Line 47 use tth;	Line 46 use tth;
use vars qw($errorstring);	use vars qw($errorstring);
use Apache::lonmsg;	use Apache::lonmsg;
use Apache::lonxml;	use Apache::lonxml;
	use Apache::lonmenu;

# ====================================================================== Header	# ====================================================================== Header

Line 55 sub header {	Line 55 sub header {
my $time=time;	my $time=time;
if ($ENV{'browser.mathml'}) {	if ($ENV{'browser.mathml'}) {
&tth::ttminit();	&tth::ttminit();
	if ($ENV{'browser.unicode'}) {
	&tth::ttmoptions('-L -u1');
	} else {
	&tth::ttmoptions('-L -u0');
	}
} else {	} else {
&tth::tthinit();	&tth::tthinit();
	if ($ENV{'browser.unicode'}) {
	&tth::tthoptions('-L -u1');
	} else {
	&tth::tthoptions('-L -u0');
	}
}	}
return &Apache::lonxml::xmlbegin().	return &Apache::lonxml::xmlbegin().
&Apache::lonxml::fontsettings().	&Apache::lonxml::fontsettings().
"\n<head>\n".	"\n<head>\n".
&Apache::lonxml::registerurl().	&Apache::lonmenu::registerurl(undef,'tex').
"\n</head>\n";	"\n</head>\n";
}	}

# ================================================================== Conversion	# ================================================================== Conversion

sub converted {	sub converted {
my $texstring=shift;	my $texstring=shift;
my $xmlstring;	my $xmlstring='[UNDISPLAYABLE]';
	eval(<<'ENDCONV');
	{
	local $SIG{SEGV}=sub { die; };
if ($ENV{'browser.mathml'}) {	if ($ENV{'browser.mathml'}) {
$xmlstring=&tth::ttm($$texstring);	$xmlstring=&tth::ttm($$texstring);
$xmlstring=~s/\<math\>/\<math xmlns=\"\&mathns\;\"\>/g;	$xmlstring=~s/\<math\>/\<math xmlns=\"\&mathns\;\"\>/g;
$xmlstring=~s/\<br\>/\<br\/\>/g;	$xmlstring=~s/\<br\>/\<br\/\>/g;
$xmlstring=~s/\<p\>/\<p\>\<\/p\>/g;	$xmlstring=~s/\<p\>/\<p\>\<\/p\>/g;
$errorstring.=&tth::ttmerror();	$errorstring.=&tth::ttmerror();
} else {	} else {
$xmlstring=&tth::tth($$texstring);	$xmlstring=&tth::tth($$texstring);
$errorstring.=&tth::ttherror();	$errorstring.=&tth::ttherror();
	}
}	}
	ENDCONV
return $xmlstring;	return $xmlstring;
}	}

Line 97 sub footer {	Line 112 sub footer {
return $xmlstring;	return $xmlstring;
}	}

	# ------------------------------------------------------------ Message display

	sub to_convert {
	my ($string) = @_;
	$string=~s/\<br\s*\/?\>/ /g;
	return &converted(\$string);
	}

	sub msgtexconverted {
	my $message=shift;

	if ($ENV{'browser.mathml'}) {
	&tth::ttminit();
	if ($ENV{'browser.unicode'}) {
	&tth::ttmoptions('-L -u1');
	} else {
	&tth::ttmoptions('-L -u0');
	}
	} else {
	&tth::tthinit();
	if ($ENV{'browser.unicode'}) {
	&tth::tthoptions('-L -u1');
	} else {
	&tth::tthoptions('-L -u0');
	}
	}
	$message=~s/(\$\$.+?\$\$)/&to_convert($1)/ge;
	$message=~s/(\$.+?\$)/&to_convert($1)/ge;
	$message=~s/(\\$.+?\\$)/&to_convert($1)/ge;
	$message=~s/(\\\[.+?\\\])/&to_convert($1)/ge;
	return $message.$errorstring;
	}

1;	1;
__END__	__END__

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Removed from v.1.4
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	Added in v.1.16