/*******************************************************************************
* 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