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-rw-r--r--other-licenses/7zstub/src/CPP/7zip/Common/FilterCoder.h235
1 files changed, 235 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/Common/FilterCoder.h b/other-licenses/7zstub/src/CPP/7zip/Common/FilterCoder.h
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index 000000000..0e2f84f11
--- /dev/null
+++ b/other-licenses/7zstub/src/CPP/7zip/Common/FilterCoder.h
@@ -0,0 +1,235 @@
+// FilterCoder.h
+
+#ifndef __FILTER_CODER_H
+#define __FILTER_CODER_H
+
+#include "../../../C/Alloc.h"
+
+#include "../../Common/MyCom.h"
+#include "../ICoder.h"
+
+#ifndef _NO_CRYPTO
+#include "../IPassword.h"
+#endif
+
+#define MY_QUERYINTERFACE_ENTRY_AG(i, sub0, sub) else if (iid == IID_ ## i) \
+ { if (!sub) RINOK(sub0->QueryInterface(IID_ ## i, (void **)&sub)) \
+ *outObject = (void *)(i *)this; }
+
+
+struct CAlignedMidBuffer
+{
+ #ifdef _WIN32
+
+ Byte *_buf;
+
+ CAlignedMidBuffer(): _buf(NULL) {}
+ ~CAlignedMidBuffer() { ::MidFree(_buf); }
+
+ void AllocAlignedMask(size_t size, size_t)
+ {
+ ::MidFree(_buf);
+ _buf = (Byte *)::MidAlloc(size);
+ }
+
+ #else
+
+ Byte *_bufBase;
+ Byte *_buf;
+
+ CAlignedMidBuffer(): _bufBase(NULL), _buf(NULL) {}
+ ~CAlignedMidBuffer() { ::MidFree(_bufBase); }
+
+ void AllocAlignedMask(size_t size, size_t alignMask)
+ {
+ ::MidFree(_bufBase);
+ _buf = NULL;
+ _bufBase = (Byte *)::MidAlloc(size + alignMask);
+
+ if (_bufBase)
+ {
+ // _buf = (Byte *)(((uintptr_t)_bufBase + alignMask) & ~(uintptr_t)alignMask);
+ _buf = (Byte *)(((ptrdiff_t)_bufBase + alignMask) & ~(ptrdiff_t)alignMask);
+ }
+ }
+
+ #endif
+};
+
+class CFilterCoder:
+ public ICompressCoder,
+
+ public ICompressSetOutStreamSize,
+ public ICompressInitEncoder,
+
+ public ICompressSetInStream,
+ public ISequentialInStream,
+
+ public ICompressSetOutStream,
+ public ISequentialOutStream,
+ public IOutStreamFinish,
+
+ public ICompressSetBufSize,
+
+ #ifndef _NO_CRYPTO
+ public ICryptoSetPassword,
+ public ICryptoProperties,
+ #endif
+
+ #ifndef EXTRACT_ONLY
+ public ICompressSetCoderProperties,
+ public ICompressWriteCoderProperties,
+ // public ICryptoResetSalt,
+ public ICryptoResetInitVector,
+ #endif
+
+ public ICompressSetDecoderProperties2,
+ public CMyUnknownImp,
+ public CAlignedMidBuffer
+{
+ UInt32 _bufSize;
+ UInt32 _inBufSize;
+ UInt32 _outBufSize;
+
+ bool _encodeMode;
+ bool _outSizeIsDefined;
+ UInt64 _outSize;
+ UInt64 _nowPos64;
+
+ CMyComPtr<ISequentialInStream> _inStream;
+ CMyComPtr<ISequentialOutStream> _outStream;
+ UInt32 _bufPos;
+ UInt32 _convPos; // current pos in buffer for converted data
+ UInt32 _convSize; // size of converted data starting from _convPos
+
+ void InitSpecVars()
+ {
+ _bufPos = 0;
+ _convPos = 0;
+ _convSize = 0;
+
+ _outSizeIsDefined = false;
+ _outSize = 0;
+ _nowPos64 = 0;
+ }
+
+ HRESULT Alloc();
+ HRESULT Init_and_Alloc();
+ HRESULT Flush2();
+
+ #ifndef _NO_CRYPTO
+ CMyComPtr<ICryptoSetPassword> _SetPassword;
+ CMyComPtr<ICryptoProperties> _CryptoProperties;
+ #endif
+
+ #ifndef EXTRACT_ONLY
+ CMyComPtr<ICompressSetCoderProperties> _SetCoderProperties;
+ CMyComPtr<ICompressWriteCoderProperties> _WriteCoderProperties;
+ // CMyComPtr<ICryptoResetSalt> _CryptoResetSalt;
+ CMyComPtr<ICryptoResetInitVector> _CryptoResetInitVector;
+ #endif
+
+ CMyComPtr<ICompressSetDecoderProperties2> _SetDecoderProperties2;
+
+public:
+ CMyComPtr<ICompressFilter> Filter;
+
+ CFilterCoder(bool encodeMode);
+ ~CFilterCoder();
+
+ class C_InStream_Releaser
+ {
+ public:
+ CFilterCoder *FilterCoder;
+ C_InStream_Releaser(): FilterCoder(NULL) {}
+ ~C_InStream_Releaser() { if (FilterCoder) FilterCoder->ReleaseInStream(); }
+ };
+
+ class C_OutStream_Releaser
+ {
+ public:
+ CFilterCoder *FilterCoder;
+ C_OutStream_Releaser(): FilterCoder(NULL) {}
+ ~C_OutStream_Releaser() { if (FilterCoder) FilterCoder->ReleaseOutStream(); }
+ };
+
+ class C_Filter_Releaser
+ {
+ public:
+ CFilterCoder *FilterCoder;
+ C_Filter_Releaser(): FilterCoder(NULL) {}
+ ~C_Filter_Releaser() { if (FilterCoder) FilterCoder->Filter.Release(); }
+ };
+
+
+ MY_QUERYINTERFACE_BEGIN2(ICompressCoder)
+
+ MY_QUERYINTERFACE_ENTRY(ICompressSetOutStreamSize)
+ MY_QUERYINTERFACE_ENTRY(ICompressInitEncoder)
+
+ MY_QUERYINTERFACE_ENTRY(ICompressSetInStream)
+ MY_QUERYINTERFACE_ENTRY(ISequentialInStream)
+
+ MY_QUERYINTERFACE_ENTRY(ICompressSetOutStream)
+ MY_QUERYINTERFACE_ENTRY(ISequentialOutStream)
+ MY_QUERYINTERFACE_ENTRY(IOutStreamFinish)
+
+ MY_QUERYINTERFACE_ENTRY(ICompressSetBufSize)
+
+ #ifndef _NO_CRYPTO
+ MY_QUERYINTERFACE_ENTRY_AG(ICryptoSetPassword, Filter, _SetPassword)
+ MY_QUERYINTERFACE_ENTRY_AG(ICryptoProperties, Filter, _CryptoProperties)
+ #endif
+
+ #ifndef EXTRACT_ONLY
+ MY_QUERYINTERFACE_ENTRY_AG(ICompressSetCoderProperties, Filter, _SetCoderProperties)
+ MY_QUERYINTERFACE_ENTRY_AG(ICompressWriteCoderProperties, Filter, _WriteCoderProperties)
+ // MY_QUERYINTERFACE_ENTRY_AG(ICryptoResetSalt, Filter, _CryptoResetSalt)
+ MY_QUERYINTERFACE_ENTRY_AG(ICryptoResetInitVector, Filter, _CryptoResetInitVector)
+ #endif
+
+ MY_QUERYINTERFACE_ENTRY_AG(ICompressSetDecoderProperties2, Filter, _SetDecoderProperties2)
+ MY_QUERYINTERFACE_END
+ MY_ADDREF_RELEASE
+
+
+ STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
+ const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
+
+ STDMETHOD(SetOutStreamSize)(const UInt64 *outSize);
+ STDMETHOD(InitEncoder)();
+
+ STDMETHOD(SetInStream)(ISequentialInStream *inStream);
+ STDMETHOD(ReleaseInStream)();
+ STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
+
+ STDMETHOD(SetOutStream)(ISequentialOutStream *outStream);
+ STDMETHOD(ReleaseOutStream)();
+ STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
+ STDMETHOD(OutStreamFinish)();
+
+ STDMETHOD(SetInBufSize)(UInt32 streamIndex, UInt32 size);
+ STDMETHOD(SetOutBufSize)(UInt32 streamIndex, UInt32 size);
+
+ #ifndef _NO_CRYPTO
+ STDMETHOD(CryptoSetPassword)(const Byte *data, UInt32 size);
+
+ STDMETHOD(SetKey)(const Byte *data, UInt32 size);
+ STDMETHOD(SetInitVector)(const Byte *data, UInt32 size);
+ #endif
+
+ #ifndef EXTRACT_ONLY
+ STDMETHOD(SetCoderProperties)(const PROPID *propIDs,
+ const PROPVARIANT *properties, UInt32 numProperties);
+ STDMETHOD(WriteCoderProperties)(ISequentialOutStream *outStream);
+ // STDMETHOD(ResetSalt)();
+ STDMETHOD(ResetInitVector)();
+ #endif
+
+ STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);
+
+
+ HRESULT Init_NoSubFilterInit();
+};
+
+#endif