misc/libphysfs/lzma/CPP/7zip/Common/MethodProps.cpp
branchui-scaling
changeset 15283 c4fd2813b127
parent 13390 0135e64c6c66
parent 15279 7ab5cf405686
child 15663 d92eeb468dad
--- a/misc/libphysfs/lzma/CPP/7zip/Common/MethodProps.cpp	Wed May 16 18:22:28 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,96 +0,0 @@
-// MethodProps.cpp
-
-#include "StdAfx.h"
-
-#include "MethodProps.h"
-#include "../../Common/MyCom.h"
-
-static UInt64 k_LZMA = 0x030101;
-// static UInt64 k_LZMA2 = 0x030102;
-
-HRESULT SetMethodProperties(const CMethod &method, const UInt64 *inSizeForReduce, IUnknown *coder)
-{
-  bool tryReduce = false;
-  UInt32 reducedDictionarySize = 1 << 10;
-  if (inSizeForReduce != 0 && (method.Id == k_LZMA /* || methodFull.MethodID == k_LZMA2 */))
-  {
-    for (;;)
-    {
-      const UInt32 step = (reducedDictionarySize >> 1);
-      if (reducedDictionarySize >= *inSizeForReduce)
-      {
-        tryReduce = true;
-        break;
-      }
-      reducedDictionarySize += step;
-      if (reducedDictionarySize >= *inSizeForReduce)
-      {
-        tryReduce = true;
-        break;
-      }
-      if (reducedDictionarySize >= ((UInt32)3 << 30))
-        break;
-      reducedDictionarySize += step;
-    }
-  }
-
-  {
-    int numProperties = method.Properties.Size();
-    CMyComPtr<ICompressSetCoderProperties> setCoderProperties;
-    coder->QueryInterface(IID_ICompressSetCoderProperties, (void **)&setCoderProperties);
-    if (setCoderProperties == NULL)
-    {
-      if (numProperties != 0)
-        return E_INVALIDARG;
-    }
-    else
-    {
-      CRecordVector<PROPID> propIDs;
-      NWindows::NCOM::CPropVariant *values = new NWindows::NCOM::CPropVariant[numProperties];
-      HRESULT res = S_OK;
-      try
-      {
-        for (int i = 0; i < numProperties; i++)
-        {
-          const CProp &prop = method.Properties[i];
-          propIDs.Add(prop.Id);
-          NWindows::NCOM::CPropVariant &value = values[i];
-          value = prop.Value;
-          // if (tryReduce && prop.Id == NCoderPropID::kDictionarySize && value.vt == VT_UI4 && reducedDictionarySize < value.ulVal)
-          if (tryReduce)
-            if (prop.Id == NCoderPropID::kDictionarySize)
-              if (value.vt == VT_UI4)
-                if (reducedDictionarySize < value.ulVal)
-            value.ulVal = reducedDictionarySize;
-        }
-        CMyComPtr<ICompressSetCoderProperties> setCoderProperties;
-        coder->QueryInterface(IID_ICompressSetCoderProperties, (void **)&setCoderProperties);
-        res = setCoderProperties->SetCoderProperties(&propIDs.Front(), values, numProperties);
-      }
-      catch(...)
-      {
-        delete []values;
-        throw;
-      }
-      delete []values;
-      RINOK(res);
-    }
-  }
- 
-  /*
-  CMyComPtr<ICompressWriteCoderProperties> writeCoderProperties;
-  coder->QueryInterface(IID_ICompressWriteCoderProperties, (void **)&writeCoderProperties);
-  if (writeCoderProperties != NULL)
-  {
-    CSequentialOutStreamImp *outStreamSpec = new CSequentialOutStreamImp;
-    CMyComPtr<ISequentialOutStream> outStream(outStreamSpec);
-    outStreamSpec->Init();
-    RINOK(writeCoderProperties->WriteCoderProperties(outStream));
-    size_t size = outStreamSpec->GetSize();
-    filterProps.SetCapacity(size);
-    memmove(filterProps, outStreamSpec->GetBuffer(), size);
-  }
-  */
-  return S_OK;
-}
-