/*
    Copyright (C) 2014 Carl Hetherington <cth@carlh.net>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include "effect.h"
#include "exceptions.h"
#include <boost/optional.hpp>

using std::string;
using boost::optional;
using namespace sub;

optional<Effect>
sub::string_to_effect (string s)
{
	if (s == "none") {
		return {};
	} else if (s == "border") {
		return BORDER;
	} else if (s == "shadow") {
		return SHADOW;
	}

	throw XMLError ("unknown subtitle effect type");
}