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Diffstat (limited to 'src/libs/7zip/win/CPP/7zip/Compress/DeltaFilter.cpp')
-rw-r--r--src/libs/7zip/win/CPP/7zip/Compress/DeltaFilter.cpp125
1 files changed, 0 insertions, 125 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/Compress/DeltaFilter.cpp b/src/libs/7zip/win/CPP/7zip/Compress/DeltaFilter.cpp
deleted file mode 100644
index d8378a60e..000000000
--- a/src/libs/7zip/win/CPP/7zip/Compress/DeltaFilter.cpp
+++ /dev/null
@@ -1,125 +0,0 @@
-// DeltaFilter.cpp
-
-#include "StdAfx.h"
-
-#include "../../../C/Delta.h"
-
-#include "../Common/RegisterCodec.h"
-
-#include "BranchCoder.h"
-
-struct CDelta
-{
- unsigned _delta;
- Byte _state[DELTA_STATE_SIZE];
- CDelta(): _delta(1) {}
- void DeltaInit() { Delta_Init(_state); }
-};
-
-class CDeltaEncoder:
- public ICompressFilter,
- public ICompressSetCoderProperties,
- public ICompressWriteCoderProperties,
- CDelta,
- public CMyUnknownImp
-{
-public:
- MY_UNKNOWN_IMP2(ICompressSetCoderProperties, ICompressWriteCoderProperties)
- STDMETHOD(Init)();
- STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size);
- STDMETHOD(SetCoderProperties)(const PROPID *propIDs, const PROPVARIANT *props, UInt32 numProps);
- STDMETHOD(WriteCoderProperties)(ISequentialOutStream *outStream);
-};
-
-class CDeltaDecoder:
- public ICompressFilter,
- public ICompressSetDecoderProperties2,
- CDelta,
- public CMyUnknownImp
-{
-public:
- MY_UNKNOWN_IMP1(ICompressSetDecoderProperties2)
- STDMETHOD(Init)();
- STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size);
- STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);
-};
-
-STDMETHODIMP CDeltaEncoder::Init()
-{
- DeltaInit();
- return S_OK;
-}
-
-STDMETHODIMP_(UInt32) CDeltaEncoder::Filter(Byte *data, UInt32 size)
-{
- Delta_Encode(_state, _delta, data, size);
- return size;
-}
-
-STDMETHODIMP CDeltaEncoder::SetCoderProperties(const PROPID *propIDs, const PROPVARIANT *props, UInt32 numProps)
-{
- UInt32 delta = _delta;
- for (UInt32 i = 0; i < numProps; i++)
- {
- const PROPVARIANT &prop = props[i];
- PROPID propID = propIDs[i];
- if (propID >= NCoderPropID::kReduceSize)
- continue;
- if (prop.vt != VT_UI4)
- return E_INVALIDARG;
- switch (propID)
- {
- case NCoderPropID::kDefaultProp:
- delta = (UInt32)prop.ulVal;
- if (delta < 1 || delta > 256)
- return E_INVALIDARG;
- break;
- case NCoderPropID::kNumThreads: break;
- case NCoderPropID::kLevel: break;
- default: return E_INVALIDARG;
- }
- }
- _delta = delta;
- return S_OK;
-}
-
-STDMETHODIMP CDeltaEncoder::WriteCoderProperties(ISequentialOutStream *outStream)
-{
- Byte prop = (Byte)(_delta - 1);
- return outStream->Write(&prop, 1, NULL);
-}
-
-STDMETHODIMP CDeltaDecoder::Init()
-{
- DeltaInit();
- return S_OK;
-}
-
-STDMETHODIMP_(UInt32) CDeltaDecoder::Filter(Byte *data, UInt32 size)
-{
- Delta_Decode(_state, _delta, data, size);
- return size;
-}
-
-STDMETHODIMP CDeltaDecoder::SetDecoderProperties2(const Byte *props, UInt32 size)
-{
- if (size != 1)
- return E_INVALIDARG;
- _delta = (unsigned)props[0] + 1;
- return S_OK;
-}
-
-#define CREATE_CODEC(x) \
- static void *CreateCodec ## x() { return (void *)(ICompressFilter *)(new C ## x ## Decoder); } \
- static void *CreateCodec ## x ## Out() { return (void *)(ICompressFilter *)(new C ## x ## Encoder); }
-
-CREATE_CODEC(Delta)
-
-#define METHOD_ITEM(x, id, name) { CreateCodec ## x, CreateCodec ## x ## Out, id, name, 1, true }
-
-static CCodecInfo g_CodecsInfo[] =
-{
- METHOD_ITEM(Delta, 3, L"Delta")
-};
-
-REGISTER_CODECS(Delta)