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