gdcmSwapper.h

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/*=========================================================================
 
  Program: GDCM (Grassroots DICOM). A DICOM library
 
  Copyright (c) 2006-2011 Mathieu Malaterre
  All rights reserved.
  See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef GDCMSWAPPER_H
#define GDCMSWAPPER_H
 
#include "gdcmSwapCode.h"
 
namespace gdcm
{
 
 
#ifdef GDCM_WORDS_BIGENDIAN
class SwapperDoOp
{
public:
  template <typename T> static T Swap(T val) {return val;}
  template <typename T> static void SwapArray(T *, size_t ) {}
};
 
class SwapperNoOp
{
public:
  template <typename T> static T Swap(T val);
  template <typename T>
  static void SwapArray(T *array, size_t n)
  {
    // TODO: need to unroll loop:
    for(size_t i = 0; i < n; ++i)
    {
      array[i] = Swap<T>(array[i]);
    }
  }
};
#else
class SwapperNoOp
{
public:
  template <typename T> static T Swap(T val) {return val;}
  template <typename T> static void SwapArray(T *, size_t ) {}
};
 
class SwapperDoOp
{
public:
  template <typename T> static T Swap(T val);
  template <typename T>
  static void SwapArray(T *array, size_t n)
  {
    // TODO: need to unroll loop:
    for(size_t i = 0; i < n; ++i)
    {
      array[i] = Swap<T>(array[i]);
    }
  }
};
#endif
 
 
} // end namespace gdcm
 
#include "gdcmSwapper.txx"
 
#endif //GDCMSWAPPER_H