/******************************************************************************* * BBuffer.h Buffer Class * T.Barnaby, BEAM Ltd, 27/2/94

* Copyright (c) 2012 All Right Reserved, Beam Ltd, http://www.beam.ltd.uk

******************************************************************************* */ #ifndef BBUFFER_H #define BBUFFER_H 1

#include <BTypes.h> #include <BString.h> #include <BError.h> #include <BComplex.h> #include <BEndian.h> #if IS_BIG_ENDIAN #define BBigEndian 1 #else #define BBigEndian 0 #endif class BTimeStamp;

class BBuffer { /// Create and manipulate a data buffer. On creation the buffer size defaults to 1024 bytes. public:

BBuffer(BUInt size = 0);

~BBuffer();

int setSize(BUInt32 size); ///< Sets the bufer size int setData(const void* data, BUInt32 size); ///< Sets buffer data resized to contain the data int writeData(BUInt32 pos, const void* data, BUInt32 size); ///< Writes data into buffer from offset pos char* data(); ///< The data BUInt32 size(); ///< Size of the buffer in bytes int resize(BUInt32 size){ return setSize(size); } ///< Alternative to setSize() protected: BUInt32 odataSize; char* odata; BUInt32 osize;

};

class BBufferStore : public BBuffer{ public: BBufferStore(BUInt size = 0, int swapBytes = BBigEndian); ~BBufferStore(); BUInt32 getPos(); void setPos(BUInt32 pos); BString getHexString(); void setHexString(BString s); int push(BInt8 v); int push(BUInt8 v); int push(BInt16 v); int push(BUInt16 v); int push(BInt32 v); int push(BUInt32 v); int push(BInt64 v); int push(BUInt64 v); int push(BFloat32 v); int push(BFloat64 v); int push(const BString& v); int push(const BError& v); int push(const BTimeStamp& v); int push(const BComplex& v); int push(BUInt32 nBytes, const void* data, const char* swapType = "1"); int pop(BInt8& v); int pop(BUInt8& v); int pop(BInt16& v); int pop(BUInt16& v); int pop(BInt32& v); int pop(BUInt32& v); int pop(BInt64& v); int pop(BUInt64& v); int pop(BFloat32& v); int pop(BFloat64& v); int pop(BString& v); int pop(BError& v); int pop(BTimeStamp& v); int pop(BComplex& v); int pop(BUInt32 nBytes, void* data, const char* swapType = "1"); protected: BUInt32 opos; int oswapBytes; };

#endif