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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: MeshFormatReader.hpp,v 1.4 2004/12/23 16:05:45 delpinux Exp $
#ifndef MESH_FORMAT_READER_HPP
#define MESH_FORMAT_READER_HPP
#include <MeshReader.hpp>
#include <set>
#include <cstdio>
/**
* @file MeshFormatReader.hpp
* @author Stphane Del Pino
* @date Sun Dec 15 17:45:02 2002
*
* @brief Reads mesh from file in the 'mesh' format.
*
*/
class MeshFormatReader
: public MeshReader
{
private:
struct VertexError {};
/**
* List of allowed keyword in mesh file
*
*/
enum KeywordType {
EndOfFile,
Unknown,
MeshVersionFormatted,
MeshDimension,
Vertices,
Triangles,
Quadrilaterals,
Tetrahedra,
Hexahedra,
Normals,
Tangents,
Corners,
Edges,
Ridges
};
/**
* List of known keywords
*
*/
typedef std::map<std::string, int> KeywordList;
KeywordList __keywordList; /**< The keyword list */
/**
* Type for keyword
*
*/
typedef std::pair<std::string, int> Keyword;
/**
* Skips next comments if exists
*
*/
void __skipComments();
/**
* Reads the next keyword and returns its token
*
* @return KeywordToken
*/
MeshFormatReader::Keyword __nextKeyword();
/**
* Checks if a number is a valid vertex number
*
* @param i a vertex number
*/
inline void __checkVertex(const size_t& i);
/**
* Gets a vertex number
*
* @return next integer
*/
inline size_t __getVertexNumber();
/**
* get list of vertices
*
*/
void __getVertices();
/**
* Read list of vertices
*
*/
void __readVertices();
/**
* Read list of hexahedra
*
*/
void __readHexahedra();
/**
* Read list of quadrilaterals
*
*/
void __readQuadrilaterals();
/**
* Read list of tetrahedra
*
*/
void __readTetrahedra();
/**
* Read list of triangles
*
*/
void __readTriangles();
/**
* Read list of vertices
*
*/
void __readElements();
/**
* Copy constructor is forbidden
*
* @param M a given MeshFormatReader
*/
MeshFormatReader(const MeshFormatReader& M);
/**
* Common interface for writing references
*
* @param references the set of computed references
* @param objectName the type of refernces
*/
void __writeReferences(const std::set<size_t>& references,
std::string objectName);
public:
/**
* Constructor
*
* @param s the filename
*/
MeshFormatReader(const std::string & s);
/**
* Destructor
*
*/
~MeshFormatReader()
{
;
}
};
#endif // MESH_FORMAT_READER_HPP
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