// TJP COPYRIGHT HEADER

#ifndef __Utilities_Endian_h__
#define __Utilities_Endian_h__

namespace tjp {
namespace core {
namespace endian {

/**
 * Swaps a buffer that represents one variable
 */
void swap (char *, int size);

/**
 * Swaps the specified buffer if the processor is big endian.
 */
inline void toLittleEndian (char *buffer, int size) 
{
	#ifdef __BIG_ENDIAN__
		swap(buffer, size); 
	#endif
}

template<typename T>
inline void toLittleEndian (T &t)
{
	#ifdef __BIG_ENDIAN__
		swap((char*)&t, sizeof(T)); 
	#endif

	return t;
}

/**
 * Swaps the specified buffer if the processor is little endian.
 */
inline void toBigEndian (char *buffer, int size) 
{
	#ifndef __BIG_ENDIAN__
		swap(buffer, size); 
	#endif
}

template<typename T>
inline void toBigEndian (T &t)
{
	#ifndef __BIG_ENDIAN__
		swap((char*)&t, sizeof(T)); 
	#endif

	return t;
}

/**
 * Swaps a single variable.
 */
template<typename T>
inline T &swap (T &t)
{
	#ifdef __BIG_ENDIAN__
		swap((char*)&t, sizeof(T)); 
	#endif

	return t;
}

} // namespace endian
} // namespace core
} // namespace

#endif