/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/Utilities/StorageFactory/interface/IOPosBuffer.h

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#ifndef STORAGE_FACTORY_IO_POS_BUFFER_H
# define STORAGE_FACTORY_IO_POS_BUFFER_H

# include "Utilities/StorageFactory/interface/IOTypes.h"

struct IOPosBuffer
{
public:
  IOPosBuffer (void);
  IOPosBuffer (IOOffset offset, void *data, IOSize length);
  IOPosBuffer (IOOffset offset, const void *data, IOSize length);

  IOOffset      offset (void) const;
  void *        data (void) const;
  IOSize        size (void) const;

  void          set_offset (IOOffset new_offset);
  void          set_data (void * new_buffer);
  void          set_size (IOSize new_size);

private:
  IOOffset      m_offset;       //< File offset.
  void          *m_data;        //< Data
  IOSize        m_length;       //< Length of data in bytes.
};

inline
IOPosBuffer::IOPosBuffer (void)
  : m_offset (0),
    m_data (0),
    m_length (0)
{}

inline
IOPosBuffer::IOPosBuffer (IOOffset offset, void *data, IOSize length)
  : m_offset (offset),
    m_data (data),
    m_length (length)
{}

inline
IOPosBuffer::IOPosBuffer (IOOffset offset, const void *data, IOSize length)
  : m_offset (offset),
    m_data (const_cast<void *> (data)),
    m_length (length)
{}

inline IOOffset
IOPosBuffer::offset (void) const
{ return m_offset; }

inline void *
IOPosBuffer::data (void) const
{ return m_data; }

inline IOSize
IOPosBuffer::size (void) const
{ return m_length; }

inline void
IOPosBuffer::set_offset(IOOffset new_offset)
{ m_offset = new_offset; }

inline void
IOPosBuffer::set_data(void * new_data)
{ m_data = new_data; }

inline void
IOPosBuffer::set_size(IOSize new_length)
{ m_length = new_length; }

#endif // STORAGE_FACTORY_IO_POS_BUFFER_H