FileManager.hh

/*===========================================================================*\
 *                                                                           *
 *                            OpenVolumeMesh                                 *
 *        Copyright (C) 2011 by Computer Graphics Group, RWTH Aachen         *
 *                        www.openvolumemesh.org                             *
 *                                                                           *
 *---------------------------------------------------------------------------*
 *  This file is part of OpenVolumeMesh.                                     *
 *                                                                           *
 *  OpenVolumeMesh 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 3 of           *
 *  the License, or (at your option) any later version with the              *
 *  following exceptions:                                                    *
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 *  If other files instantiate templates or use macros                       *
 *  or inline functions from this file, or you compile this file and         *
 *  link it with other files to produce an executable, this file does        *
 *  not by itself cause the resulting executable to be covered by the        *
 *  GNU Lesser General Public License. This exception does not however       *
 *  invalidate any other reasons why the executable file might be            *
 *  covered by the GNU Lesser General Public License.                        *
 *                                                                           *
 *  OpenVolumeMesh 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.                      *
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 *  You should have received a copy of the GNU LesserGeneral Public          *
 *  License along with OpenVolumeMesh.  If not,                              *
 *  see <http://www.gnu.org/licenses/>.                                      *
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\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision$                                                         *
 *   $Date$                    *
 *   $LastChangedBy$                                                *
 *                                                                           *
\*===========================================================================*/

#ifndef FILEMANAGER_HH_
#define FILEMANAGER_HH_

#include <string>
#include <fstream>
#include <istream>
#include <ostream>
#include "OpenVolumeMesh/Config/Export.hh"

namespace OpenVolumeMesh {

namespace IO {

class OVM_EXPORT FileManager {
public:

  FileManager();

  ~FileManager();


  void setVerbosityLevel(int _level) { verbosity_level_ = _level;}

  template <class MeshT>
  bool readStream(std::istream &_istream, MeshT& _mesh,
      bool _topologyCheck = true,
      bool _computeBottomUpIncidences = true) const;

  template <class MeshT>
  bool readFile(const std::string& _filename, MeshT& _mesh,
      bool _topologyCheck = true,
      bool _computeBottomUpIncidences = true) const;


  template <class MeshT>
  void writeStream(std::ostream &_ostream, const MeshT& _mesh) const;

  template <class MeshT>
  bool writeFile(const std::string& _filename, const MeshT& _mesh) const;

  bool isHexahedralMesh(const std::string& _filename) const;

  bool isTetrahedralMesh(const std::string& _filename) const;



private:

  // Read property
  template <class MeshT>
  void readProperty(std::istream& _iff, MeshT& _mesh) const;

  template <class PropT, class MeshT>
  void generateGenericProperty(const std::string& _entity_t, const std::string& _name,
                               std::istream& _iff, MeshT& _mesh) const;

  // Write props
  template<class IteratorT>
  void writeProps(std::ostream& _ostr, const IteratorT& _begin, const IteratorT& _end) const;

  // Remove leading and trailing whitespaces
  void trimString(std::string& _string) const;

  // Get quoted text out of a string
  void extractQuotedText(std::string& _string) const;

  // Get a whole line from file
  bool getCleanLine(std::istream& ifs, std::string& _string, bool _skipEmptyLines = true) const;


  int verbosity_level_ = 3;
};

} // Namespace IO

} // Namespace FileManager

#if defined(INCLUDE_TEMPLATES) && !defined(FILEMANAGERT_CC)
#include "FileManagerT_impl.hh"
#endif

#endif /* FILEMANAGER_HH_ */