diff options
Diffstat (limited to 'src/libs/7zip/win/CPP/7zip/Common/StreamObjects.h')
-rw-r--r-- | src/libs/7zip/win/CPP/7zip/Common/StreamObjects.h | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/Common/StreamObjects.h b/src/libs/7zip/win/CPP/7zip/Common/StreamObjects.h deleted file mode 100644 index d0c86b566..000000000 --- a/src/libs/7zip/win/CPP/7zip/Common/StreamObjects.h +++ /dev/null @@ -1,140 +0,0 @@ -// StreamObjects.h - -#ifndef __STREAM_OBJECTS_H -#define __STREAM_OBJECTS_H - -#include "../../Common/MyBuffer.h" -#include "../../Common/MyCom.h" -#include "../../Common/MyVector.h" - -#include "../IStream.h" - -struct CReferenceBuf: - public IUnknown, - public CMyUnknownImp -{ - CByteBuffer Buf; - MY_UNKNOWN_IMP -}; - -class CBufInStream: - public IInStream, - public CMyUnknownImp -{ - const Byte *_data; - UInt64 _pos; - size_t _size; - CMyComPtr<IUnknown> _ref; -public: - void Init(const Byte *data, size_t size, IUnknown *ref = 0) - { - _data = data; - _size = size; - _pos = 0; - _ref = ref; - } - void Init(CReferenceBuf *ref) { Init(ref->Buf, ref->Buf.Size(), ref); } - - MY_UNKNOWN_IMP2(ISequentialInStream, IInStream) - STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize); - STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition); -}; - -// void Create_BufInStream_WithReference(const void *data, size_t size, ISequentialInStream **stream); -void Create_BufInStream_WithNewBuf(const void *data, size_t size, ISequentialInStream **stream); - -class CByteDynBuffer -{ - size_t _capacity; - Byte *_buf; -public: - CByteDynBuffer(): _capacity(0), _buf(0) {}; - // there is no copy constructor. So don't copy this object. - ~CByteDynBuffer() { Free(); } - void Free() throw(); - size_t GetCapacity() const { return _capacity; } - operator Byte*() const { return _buf; }; - operator const Byte*() const { return _buf; }; - bool EnsureCapacity(size_t capacity) throw(); -}; - -class CDynBufSeqOutStream: - public ISequentialOutStream, - public CMyUnknownImp -{ - CByteDynBuffer _buffer; - size_t _size; -public: - CDynBufSeqOutStream(): _size(0) {} - void Init() { _size = 0; } - size_t GetSize() const { return _size; } - const Byte *GetBuffer() const { return _buffer; } - void CopyToBuffer(CByteBuffer &dest) const; - Byte *GetBufPtrForWriting(size_t addSize); - void UpdateSize(size_t addSize) { _size += addSize; } - - MY_UNKNOWN_IMP1(ISequentialOutStream) - STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize); -}; - -class CBufPtrSeqOutStream: - 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_IMP1(ISequentialOutStream) - STDMETHOD(Write)(const 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_IMP1(ISequentialOutStream) - STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize); -}; - -class CCachedInStream: - public IInStream, - public CMyUnknownImp -{ - UInt64 *_tags; - Byte *_data; - size_t _dataSize; - unsigned _blockSizeLog; - unsigned _numBlocksLog; - UInt64 _size; - UInt64 _pos; -protected: - virtual HRESULT ReadBlock(UInt64 blockIndex, Byte *dest, size_t blockSize) = 0; -public: - CCachedInStream(): _tags(0), _data(0) {} - virtual ~CCachedInStream() { Free(); } // the destructor must be virtual (release calls it) !!! - void Free() throw(); - bool Alloc(unsigned blockSizeLog, unsigned numBlocksLog) throw(); - void Init(UInt64 size) throw(); - - MY_UNKNOWN_IMP2(ISequentialInStream, IInStream) - STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize); - STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition); -}; - -#endif |