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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: MeshReader.hpp,v 1.17 2005/01/29 20:20:33 delpinux Exp $
#ifndef MESH_READER_HPP
#define MESH_READER_HPP
#include <MeshGenerator.hpp>
#include <ReferenceCounting.hpp>
#include <Vector.hpp>
#include <VerticesSet.hpp>
#include <Vertex.hpp>
#include <Hexahedron.hpp>
#include <Tetrahedron.hpp>
#include <Triangle.hpp>
#include <Stringify.hpp>
#include <ErrorHandler.hpp>
#include <string>
#include <cstdio>
/**
* @file MeshReader.hpp
* @author Pascal Hav
* @date Sun Nov 28 15 17:32:00 2004
*
* @brief Main class for all *FormatReader
*
*/
class MeshReader
: public MeshGenerator
{
protected:
FILE * __ifh; /**< File handle of open file */
std::string __fileName; /**< The file name if appropriate */
/**
* List of vertices.
*
*/
ReferenceCounting<VerticesSet> __vertices;
/**
* List of hexahedra.
*
*/
ReferenceCounting<Vector<Hexahedron> > __hexahedra;
/**
* List of quadrilaterals
*
*/
ReferenceCounting<Vector<Quadrangle> > __quadrilaterals;
/**
* List of tetrahedra.
*
*/
ReferenceCounting<Vector<Tetrahedron> > __tetrahedra;
/**
* List of triangles.
*
*/
ReferenceCounting<Vector<Triangle> > __triangles;
/**
* Copy constructor is forbidden
*
* @param M
*/
MeshReader(const MeshReader& M);
/**
* Tries to read next real
*
* @return next real
*/
inline real_t __getReal()
{
real_t r;
int retval = fscanf(__ifh,"%le",&r);
if (retval <= 0) {
throw ErrorHandler(__FILE__,__LINE__,
"reading mesh '"+__fileName+"': expected real not found",
ErrorHandler::normal);
return 0;
}
return r;
}
/**
* Tries to read next integer
*
* @return next integer
*/
inline int __getInteger()
{
int i;
int retval = fscanf(__ifh,"%d",&i);
if (retval <= 0) {
throw ErrorHandler(__FILE__,__LINE__,
"reading mesh '"+__fileName+"': expected integer not found",
ErrorHandler::normal);
return 0;
}
return i;
}
/**
* This function is called when lists are filled to build __mesh
*
*/
virtual void __createMesh();
public:
class Error
{
private:
const std::string __message;
public:
Error(const std::string & message) : __message(message) { }
const std::string & message() const { return __message; }
};
/**
* Access to the read mesh
*
*
* @return __mesh
*/
ReferenceCounting<Mesh> mesh()
{
return __mesh;
}
/**
* Constructor
*
* @param s the filename
*/
MeshReader(const std::string & s);
/**
* Destructor
*
*/
virtual ~MeshReader();
};
#endif // MESH_READER_HPP
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