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// Copyright (c) 2009-2018 NVIDIA Corporation. All rights reserved.


#ifndef STREAM_IO_H
#define STREAM_IO_H

/*!
\file
\brief NsIOStream class
*/
#include "Ps.h"
#include "PsString.h"
#include "PxFileBuf.h"
#include <string.h>
#include <stdlib.h>

#define safePrintf nvidia::string::sprintf_s

PX_PUSH_PACK_DEFAULT

namespace nvidia
{

/**
\brief A wrapper class for physx::PxFileBuf that provides both binary and ASCII streaming capabilities
*/
class StreamIO
{
	static const uint32_t MAX_STREAM_STRING = 1024;
public:
	/**
	\param [in] stream the physx::PxFileBuf through which all reads and writes will be performed
	\param [in] streamLen the length of the input data stream when de-serializing
	*/
	StreamIO(physx::PxFileBuf &stream,uint32_t streamLen) : mStreamLen(streamLen), mStream(stream) { }
	~StreamIO(void) { }

	PX_INLINE StreamIO& operator<<(bool v);
	PX_INLINE StreamIO& operator<<(char c);
	PX_INLINE StreamIO& operator<<(uint8_t v);
	PX_INLINE StreamIO& operator<<(int8_t v);

	PX_INLINE StreamIO& operator<<(const char *c);
	PX_INLINE StreamIO& operator<<(int64_t v);
	PX_INLINE StreamIO& operator<<(uint64_t v);
	PX_INLINE StreamIO& operator<<(double v);
	PX_INLINE StreamIO& operator<<(float v);
	PX_INLINE StreamIO& operator<<(uint32_t v);
	PX_INLINE StreamIO& operator<<(int32_t v);
	PX_INLINE StreamIO& operator<<(uint16_t v);
	PX_INLINE StreamIO& operator<<(int16_t v);
	PX_INLINE StreamIO& operator<<(const physx::PxVec3 &v);
	PX_INLINE StreamIO& operator<<(const physx::PxQuat &v);
	PX_INLINE StreamIO& operator<<(const physx::PxBounds3 &v);

	PX_INLINE StreamIO& operator>>(const char *&c);
	PX_INLINE StreamIO& operator>>(bool &v);
	PX_INLINE StreamIO& operator>>(char &c);
	PX_INLINE StreamIO& operator>>(uint8_t &v);
	PX_INLINE StreamIO& operator>>(int8_t &v);
	PX_INLINE StreamIO& operator>>(int64_t &v);
	PX_INLINE StreamIO& operator>>(uint64_t &v);
	PX_INLINE StreamIO& operator>>(double &v);
	PX_INLINE StreamIO& operator>>(float &v);
	PX_INLINE StreamIO& operator>>(uint32_t &v);
	PX_INLINE StreamIO& operator>>(int32_t &v);
	PX_INLINE StreamIO& operator>>(uint16_t &v);
	PX_INLINE StreamIO& operator>>(int16_t &v);
	PX_INLINE StreamIO& operator>>(physx::PxVec3 &v);
	PX_INLINE StreamIO& operator>>(physx::PxQuat &v);
	PX_INLINE StreamIO& operator>>(physx::PxBounds3 &v);

	uint32_t getStreamLen(void) const { return mStreamLen; }

	physx::PxFileBuf& getStream(void) { return mStream; }

	PX_INLINE void storeString(const char *c,bool zeroTerminate=false);

private:
	StreamIO& operator=( const StreamIO& );


	uint32_t			mStreamLen; // the length of the input data stream when de-serializing.
	physx::PxFileBuf	&mStream;
	char				mReadString[MAX_STREAM_STRING]; // a temp buffer for streaming strings on input.
};

#include "StreamIO.inl" // inline methods...

} // end of nvidia namespace

PX_POP_PACK

#endif // STREAM_IO_H