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// StreamObjects.h
#ifndef __STREAMOBJECTS_H
#define __STREAMOBJECTS_H
#include "../../Common/DynamicBuffer.h"
#include "../../Common/MyCom.h"
#include "../IStream.h"
class CSequentialInStreamImp:
public ISequentialInStream,
public CMyUnknownImp
{
const Byte *_dataPointer;
size_t _size;
size_t _pos;
public:
void Init(const Byte *dataPointer, size_t size)
{
_dataPointer = dataPointer;
_size = size;
_pos = 0;
}
MY_UNKNOWN_IMP
STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
};
class CWriteBuffer
{
CByteDynamicBuffer _buffer;
size_t _size;
public:
CWriteBuffer(): _size(0) {}
void Init() { _size = 0; }
void Write(const void *data, size_t size);
size_t GetSize() const { return _size; }
const CByteDynamicBuffer& GetBuffer() const { return _buffer; }
};
class CSequentialOutStreamImp:
public ISequentialOutStream,
public CMyUnknownImp
{
CWriteBuffer _writeBuffer;
public:
void Init() { _writeBuffer.Init(); }
size_t GetSize() const { return _writeBuffer.GetSize(); }
const CByteDynamicBuffer& GetBuffer() const { return _writeBuffer.GetBuffer(); }
MY_UNKNOWN_IMP
STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
};
class CSequentialOutStreamImp2:
public ISequentialOutStream,
public CMyUnknownImp
{
Byte *_buffer;
size_t _size;
size_t _pos;
public:
void Init(Byte *buffer, size_t size)
{
_buffer = buffer;
_pos = 0;
_size = size;
}
size_t GetPos() const { return _pos; }
MY_UNKNOWN_IMP
STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
};
class CSequentialInStreamSizeCount:
public ISequentialInStream,
public CMyUnknownImp
{
CMyComPtr<ISequentialInStream> _stream;
UInt64 _size;
public:
void Init(ISequentialInStream *stream)
{
_stream = stream;
_size = 0;
}
UInt64 GetSize() const { return _size; }
MY_UNKNOWN_IMP
STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
};
class CSequentialOutStreamSizeCount:
public ISequentialOutStream,
public CMyUnknownImp
{
CMyComPtr<ISequentialOutStream> _stream;
UInt64 _size;
public:
void SetStream(ISequentialOutStream *stream) { _stream = stream; }
void Init() { _size = 0; }
UInt64 GetSize() const { return _size; }
MY_UNKNOWN_IMP
STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
};
#endif
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