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/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
* Copyright (C) 2009, IGG Team, LSIIT, University of Strasbourg                *
*                                                                              *
* This library is free software; you can redistribute it and/or modify it      *
* under the terms of the GNU Lesser General Public License as published by the *
* Free Software Foundation; either version 2.1 of the License, or (at your     *
* option) any later version.                                                   *
*                                                                              *
* This library 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 Lesser General Public License  *
* for more details.                                                            *
*                                                                              *
* You should have received a copy of the GNU Lesser General Public License     *
* along with this library; if not, write to the Free Software Foundation,      *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
*                                                                              *
* Web site: https://iggservis.u-strasbg.fr/CGoGN/                              *
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

#ifndef __ATTRIB_MAP__
#define __ATTRIB_MAP__

#include "Topology/generic/genericmap.h"
#include "Topology/generic/attributeHandler.h"

namespace CGoGN
{

class AttribMap : public GenericMap
{
	template<typename T> friend class AutoAttributeHandler ;

public:
	static const unsigned int UNKNOWN_ATTRIB = AttribContainer::UNKNOWN ;

	AttribMap();

	/****************************************
	 *        ATTRIBUTES MANAGEMENT         *
	 ****************************************/

	/**
	* Create an attribute for a given orbit
	* @param orbit
	* @param nameAttr attribute name
	* @return  a "code orbit" : 8 bits for orbit & 24 bits for index of attribute in container
	*/
	template <typename T>
	AttributeHandler<T> addAttribute(unsigned int orbit, const std::string& nameAttr);

	/**
	 * remove an attribute
	 * @param attr a handler to the attribute to remove
	 * @return true if remove succeed else false
	 */
	template <typename T>
	bool removeAttribute(AttributeHandler<T>& attr);

	/**
	* search an attribute for a given orbit
	* @param orbit
	* @param nameAttr attribute name
	* @return id of attribute : 8 bits for orbit & 24 bits for index of attribute in container
	*/
	template <typename T>
	AttributeHandler<T> getAttribute(unsigned int orbit, const std::string& nameAttr);

	/**
	 * swap the content of two attributes (efficient, only swap pointers)
	 */
	template <typename T>
	bool swapAttributes(AttributeHandler<T>& attr1, AttributeHandler<T>& attr2) ;

	/**
	 * copy the content of src attribute to dst attribute
	 */
	template <typename T>
	bool copyAttribute(AttributeHandler<T>& dst, AttributeHandler<T>& src) ;

	/**
	 * get the number of cell in the attribute container of an orbit
	 * @param orb the orbit to get number of cells
	 */
	unsigned int getNbCells(unsigned int orbit);

protected:
	/****************************************
	 *   EMBEDDING ATTRIBUTES MANAGEMENT    *
	 ****************************************/
	/**
	 * Create the dart attribute to store the embedding of this orbit (for internal use only)
	 * Also adds a Marker attribute to the container
	 */
	void addEmbedding(unsigned int orbit);

	/****************************************
	 *  TOPOLOGICAL ATTRIBUTES MANAGEMENT   *
	 ****************************************/

	/**
	 * Add a toological relation in the map
	 * @param name name of relation
	 */
	AttribMultiVect<Dart>* addRelation(const std::string& name);

public:
	/****************************************
	 *               UTILITIES              *
	 ****************************************/

	/**
	 * use the given attribute to store the indices of the cells of the corresponding orbit
	 * @return the number of cells of the orbit
	 */
	unsigned int computeIndexCells(AttributeHandler<unsigned int>& idx) ;
} ;

} // namespace CGoGN

#include "Topology/generic/attribmap.hpp"

#endif