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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-03-29 16:04:01 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-03-29 16:04:01 +0100 |
| commit | 88083f8c683c18f4de68a20c863a82a9da65db8f (patch) | |
| tree | 926656892d9d80260da02ea8ea71031b140c51df /other-licenses/7zstub/src/CPP/7zip/Common/StreamObjects.h | |
| parent | f999f544aad04069b03704d994a99352263f600b (diff) | |
| parent | 843e4ceffd6ce21a6e6db37419335eafdc543e18 (diff) | |
| download | UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.gz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.lz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.xz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.zip | |
Merge branch 'master' into Sync-weave
Diffstat (limited to 'other-licenses/7zstub/src/CPP/7zip/Common/StreamObjects.h')
| -rw-r--r-- | other-licenses/7zstub/src/CPP/7zip/Common/StreamObjects.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/Common/StreamObjects.h b/other-licenses/7zstub/src/CPP/7zip/Common/StreamObjects.h new file mode 100644 index 000000000..c3e083747 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/7zip/Common/StreamObjects.h @@ -0,0 +1,157 @@ +// 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"
+
+class CBufferInStream:
+ public IInStream,
+ public CMyUnknownImp
+{
+ UInt64 _pos;
+public:
+ CByteBuffer Buf;
+ void Init() { _pos = 0; }
+
+ MY_UNKNOWN_IMP2(ISequentialInStream, IInStream)
+
+ STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
+ STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
+};
+
+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, IUnknown *ref, ISequentialInStream **stream);
+void Create_BufInStream_WithNewBuffer(const void *data, size_t size, ISequentialInStream **stream);
+inline void Create_BufInStream_WithNewBuffer(const CByteBuffer &buf, ISequentialInStream **stream)
+ { Create_BufInStream_WithNewBuffer(buf, buf.Size(), 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
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