diff -r 5f819b90d479 -r 99b265e0d1d0 misc/libphysfs/lzma/CPP/7zip/Compress/CodecExports.cpp --- a/misc/libphysfs/lzma/CPP/7zip/Compress/CodecExports.cpp Thu Oct 11 23:43:31 2018 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,157 +0,0 @@ -// CodecExports.cpp - -#include "StdAfx.h" - -#include "../../Common/ComTry.h" -#include "../../Windows/PropVariant.h" -#include "../Common/RegisterCodec.h" -#include "../ICoder.h" - -extern unsigned int g_NumCodecs; -extern const CCodecInfo *g_Codecs[]; - -static const UInt16 kDecodeId = 0x2790; - -DEFINE_GUID(CLSID_CCodec, -0x23170F69, 0x40C1, kDecodeId, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); - -static inline HRESULT SetPropString(const char *s, unsigned int size, PROPVARIANT *value) -{ - if ((value->bstrVal = ::SysAllocStringByteLen(s, size)) != 0) - value->vt = VT_BSTR; - return S_OK; -} - -static inline HRESULT SetPropGUID(const GUID &guid, PROPVARIANT *value) -{ - return SetPropString((const char *)&guid, sizeof(GUID), value); -} - -static HRESULT SetClassID(CMethodId id, bool encode, PROPVARIANT *value) -{ - GUID clsId = CLSID_CCodec; - for (int i = 0; i < sizeof(id); i++, id >>= 8) - clsId.Data4[i] = (Byte)(id & 0xFF); - if (encode) - clsId.Data3++; - return SetPropGUID(clsId, value); -} - -static HRESULT FindCodecClassId(const GUID *clsID, UInt32 isCoder2, bool isFilter, bool &encode, int &index) -{ - index = -1; - if (clsID->Data1 != CLSID_CCodec.Data1 || - clsID->Data2 != CLSID_CCodec.Data2 || - (clsID->Data3 & ~1) != kDecodeId) - return S_OK; - encode = (clsID->Data3 != kDecodeId); - UInt64 id = 0; - for (int j = 0; j < 8; j++) - id |= ((UInt64)clsID->Data4[j]) << (8 * j); - for (UInt32 i = 0; i < g_NumCodecs; i++) - { - const CCodecInfo &codec = *g_Codecs[i]; - if (id != codec.Id || encode && !codec.CreateEncoder || !encode && !codec.CreateDecoder) - continue; - if (!isFilter && codec.IsFilter || isFilter && !codec.IsFilter || - codec.NumInStreams != 1 && !isCoder2 || codec.NumInStreams == 1 && isCoder2) - return E_NOINTERFACE; - index = i; - return S_OK; - } - return S_OK; -} - -STDAPI CreateCoder2(bool encode, UInt32 index, const GUID *iid, void **outObject) -{ - COM_TRY_BEGIN - *outObject = 0; - bool isCoder = (*iid == IID_ICompressCoder) != 0; - bool isCoder2 = (*iid == IID_ICompressCoder2) != 0; - bool isFilter = (*iid == IID_ICompressFilter) != 0; - const CCodecInfo &codec = *g_Codecs[index]; - if (!isFilter && codec.IsFilter || isFilter && !codec.IsFilter || - codec.NumInStreams != 1 && !isCoder2 || codec.NumInStreams == 1 && isCoder2) - return E_NOINTERFACE; - if (encode) - { - if (!codec.CreateEncoder) - return CLASS_E_CLASSNOTAVAILABLE; - *outObject = codec.CreateEncoder(); - } - else - { - if (!codec.CreateDecoder) - return CLASS_E_CLASSNOTAVAILABLE; - *outObject = codec.CreateDecoder(); - } - if (isCoder) - ((ICompressCoder *)*outObject)->AddRef(); - else if (isCoder2) - ((ICompressCoder2 *)*outObject)->AddRef(); - else - ((ICompressFilter *)*outObject)->AddRef(); - return S_OK; - COM_TRY_END -} - -STDAPI CreateCoder(const GUID *clsid, const GUID *iid, void **outObject) -{ - *outObject = 0; - bool isCoder = (*iid == IID_ICompressCoder) != 0; - bool isCoder2 = (*iid == IID_ICompressCoder2) != 0; - bool isFilter = (*iid == IID_ICompressFilter) != 0; - if (!isCoder && !isCoder2 && !isFilter) - return E_NOINTERFACE; - bool encode; - int codecIndex; - HRESULT res = FindCodecClassId(clsid, isCoder2, isFilter, encode, codecIndex); - if (res != S_OK) - return res; - if (codecIndex < 0) - return CLASS_E_CLASSNOTAVAILABLE; - return CreateCoder2(encode, codecIndex, iid, outObject); -} - -STDAPI GetMethodProperty(UInt32 codecIndex, PROPID propID, PROPVARIANT *value) -{ - ::VariantClear((VARIANTARG *)value); - const CCodecInfo &codec = *g_Codecs[codecIndex]; - switch(propID) - { - case NMethodPropID::kID: - { - value->uhVal.QuadPart = (UInt64)codec.Id; - value->vt = VT_UI8; - break; - } - case NMethodPropID::kName: - if ((value->bstrVal = ::SysAllocString(codec.Name)) != 0) - value->vt = VT_BSTR; - break; - case NMethodPropID::kDecoder: - if (codec.CreateDecoder) - return SetClassID(codec.Id, false, value); - break; - case NMethodPropID::kEncoder: - if (codec.CreateEncoder) - return SetClassID(codec.Id, true, value); - break; - case NMethodPropID::kInStreams: - { - if (codec.NumInStreams != 1) - { - value->vt = VT_UI4; - value->ulVal = codec.NumInStreams; - } - break; - } - } - return S_OK; -} - -STDAPI GetNumberOfMethods(UINT32 *numCodecs) -{ - *numCodecs = g_NumCodecs; - return S_OK; -}