Topology.h

/**
 * @file
 *  This file is part of Topology
 *
 * @author Sebastian Rettenberger <sebastian.rettenberger@tum.de>
 *
 * @copyright Copyright (c) 2017echnische Universitaet Muenchen.
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright notice
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 *  3. Neither the name of the copyright holder nor the names of its
 *     contributors may be used to endorse or promote products derived from this
 *     software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TOHE
 *  IMPLIED WARRANTIES OF  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef XDMFWRITER_TOPOLOGY_H
#define XDMFWRITER_TOPOLOGY_H

namespace xdmfwriter
{

/**
 * The topology types
 */
enum TopoType {
	TRIANGLE,
	TETRAHEDRON,
	HEXAHEDRON,
	WEDGE
};

namespace internal
{

/**
 * Class describing the different topologies
 */
template<TopoType>
class Topology
{
public:
	/**
	 * @return Name of the topology type in the XDMF file
	 */
	static const char* name();

	/**
	 * @return The number of vertices of a single element
	 */
	static unsigned int size();
};

template<> inline
const char* Topology<TRIANGLE>::name()
{
	return "Triangle";
}

template<> inline
const char* Topology<TETRAHEDRON>::name()
{
	return "Tetrahedron";
}

template<> inline
const char* Topology<HEXAHEDRON>::name()
{
	return "Hexahedron";

}

template<> inline
const char* Topology<WEDGE>::name()
{
	return "Wedge";
}

template<> inline
unsigned int Topology<TRIANGLE>::size()
{
	return 3;
}

template<> inline
unsigned int Topology<TETRAHEDRON>::size()
{
	return 4;
}

template<> inline
unsigned int Topology<HEXAHEDRON>::size()
{
	return 8;
}

template<> inline
unsigned int Topology<WEDGE>::size()
{
	return 6;
}

}

}

#endif // XDMFWRITER_TOPOLOGY_H