#ifndef _SAMPLE_DATACHUNK_HPP_
#define _SAMPLE_DATACHUNK_HPP_
#ifndef _COMMON_WINDOWS_HPP_
#include <common/windows.hpp>
#endif
#ifndef _COMMON_MEMFILE_HPP_
#include <common/memfile.hpp>
#endif
#ifndef _COMMON_OPENFILE_HPP_
#include <common/openfile.hpp>
#endif
#ifndef _SAMPLE_CHUNKID_HPP_
#include <sample/chunkid.hpp>
#endif

class DataChunk
{
public:
	DataChunk(void);
	virtual ~DataChunk();
	bool write(MemFile &memFile)const;
	bool read(FileHandle &handle);
	LONG length(void)const;
	void length(LONG length);
  DWORD size(void)const;
	String toString(void)const;
private:
	void initChunk(void);

	ChunkID mChunkID;
  LONG mLengthData;
};

inline
DataChunk::DataChunk(void)
{
  initChunk();
}

inline
DataChunk::~DataChunk()
{
}

inline
LONG DataChunk::length(void)const
{
	return mLengthData;
}

inline
void DataChunk::length(LONG length)
{
  mLengthData=length;
}

inline
DWORD DataChunk::size(void)const
{
  return mChunkID.size()+sizeof(DWORD);
}

inline
void DataChunk::initChunk(void)
{
  mChunkID=String("data");
  return;
}

inline
String DataChunk::toString(void)const
{
  String strDataChunk;
	strDataChunk+=String("<DATACHUNK>");
  strDataChunk+=mChunkID.toString();
	strDataChunk+=String(" LengthData=")+String().fromInt(mLengthData).quotes();
	strDataChunk+=String("<DATACHUNK/>");
	return strDataChunk;
}
#endif