macByteData.h

Go to the documentation of this file.

/*************************************************************************************
**
** Copyright 2008, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#ifndef MAC_BYTE_DATA_H
#define MAC_BYTE_DATA_H
 
 
#if defined(__APPLE__)
 
#include <macSymbolVisibilityMacros.h>
#include <macSmartPtr.h>
#include <sys/types.h>
 
namespace macos {
 
  class OSXSUPPORT_PUBLIC_API ByteData
  {
  public:
 
    ByteData() : _retainCount(0), _data(nullptr), _size(0) {}
 
    ByteData(size_t size) : _retainCount(0), _size(size) {
      _data = new char[_size];
    }
 
    inline char *data() {
      return _data;
    }
 
    inline const char *data() const {
      return _data;
    }
 
    inline size_t size() const {
      return _size;
    }
 
    inline void retain() {
      if (_retainCount <= 0) {
        // instance has reference count <= 0 already
      }
      _retainCount++;
    }
 
    inline void release() {
      if (--_retainCount == 0) {
        destroy();
      }
    }
 
  private:
 
    OSXSUPPORT_PRIVATE_API ~ByteData() {
    }
 
    OSXSUPPORT_PRIVATE_API inline void destroy() {
      delete [] _data;
      delete this;
    }
 
    OSXSUPPORT_PRIVATE_API int _retainCount;
 
    OSXSUPPORT_PRIVATE_API char   *_data;
    OSXSUPPORT_PRIVATE_API size_t  _size;
 
  };
 
  typedef SmartPtr<ByteData> ByteDataPtr;
 
}
 
#endif  // __APPLE__
#endif  // __macByteData_H