/*============================================================================
  MetaIO
  Copyright 2000-2010 Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
#include "metaTypes.h"


#ifndef ITKMetaIO_METADTITUBE_H
#  define ITKMetaIO_METADTITUBE_H


#  if defined(_MSC_VER)
#    pragma warning(disable : 4786)
#    pragma warning(disable : 4251)
#  endif

#  include "metaUtils.h"
#  include "metaObject.h"

#  include <list>


/*!    MetaDTITube (.h and .cpp)
 *
 * Description:
 *    Reads and Writes MetaDTITubeFiles.
 *
 * \author Julien Jomier
 *
 * \date May 22, 2002
 */

#  if (METAIO_USE_NAMESPACE)
namespace METAIO_NAMESPACE
{
#  endif

class METAIO_EXPORT DTITubePnt
{
public:
  typedef std::pair<std::string, float> FieldType;
  typedef std::vector<FieldType>        FieldListType;

  explicit DTITubePnt(int dim);

  ~DTITubePnt();

  const FieldListType &
  GetExtraFields() const;

  void
  AddField(const char * name, float value);

  float
  GetField(const char * name) const;

  unsigned int m_Dim;
  float *      m_X;
  float *      m_TensorMatrix;

  FieldListType m_ExtraFields;
};


class METAIO_EXPORT MetaDTITube : public MetaObject
{

  // PUBLIC
public:
  typedef std::list<DTITubePnt *>              PointListType;
  typedef std::pair<std::string, unsigned int> PositionType;

  // Constructors & Destructor
  MetaDTITube();

  explicit MetaDTITube(const char * _headerName);

  explicit MetaDTITube(const MetaDTITube * _dtiTube);

  explicit MetaDTITube(unsigned int dim);

  ~MetaDTITube() override;

  void
  PrintInfo() const override;

  void
  CopyInfo(const MetaObject * _object) override;

  //    NPoints(...)
  //       Required Field
  //       Number of points which compose the DTITube
  void
  NPoints(int npnt);
  int
  NPoints() const;

  //    PointDim(...)
  //       Required Field
  //       Definition of points
  void
  PointDim(const char * pointDim);
  const char *
  PointDim() const;

  //    Root(...)
  //       Optional Field
  //       Set if this DTITube is a root
  void
  Root(bool root);
  bool
  Root() const;


  //    ParentPoint(...)
  //       Optional Field
  //       Set the point number of the parent DTITube where the branch occurs
  void
  ParentPoint(int parentpoint);
  int
  ParentPoint() const;

  void
  Clear() override;

  PointListType &
  GetPoints()
  {
    return m_PointList;
  }
  const PointListType &
  GetPoints() const
  {
    return m_PointList;
  }

  MET_ValueEnumType
  ElementType() const;
  void
  ElementType(MET_ValueEnumType _elementType);

  // PROTECTED
protected:
  bool m_ElementByteOrderMSB{};

  void
  M_SetupReadFields() override;

  void
  M_SetupWriteFields() override;

  bool
  M_Read() override;

  bool
  M_Write() override;

  int m_ParentPoint{}; // "ParentPoint = "     -1

  bool m_Root{}; // "Root = "            False

  int m_NPoints{}; // "NPoints = "         0

  std::string m_PointDim; // "PointDim = "       "x y z r"

  PointListType             m_PointList;
  MET_ValueEnumType         m_ElementType;
  std::vector<PositionType> m_Positions;

  int
  GetPosition(const char *) const;
};

#  if (METAIO_USE_NAMESPACE)
};
#  endif


#endif