1 // SetProperties.cpp 2 3 #include "StdAfx.h" 4 5 #include "SetProperties.h" 6 7 #include "Windows/PropVariant.h" 8 #include "Common/MyString.h" 9 #include "Common/StringToInt.h" 10 #include "Common/MyCom.h" 11 12 #include "../../Archive/IArchive.h" 13 14 using namespace NWindows; 15 using namespace NCOM; 16 ParseNumberString(const UString & s,NCOM::CPropVariant & prop)17static void ParseNumberString(const UString &s, NCOM::CPropVariant &prop) 18 { 19 const wchar_t *endPtr; 20 UInt64 result = ConvertStringToUInt64(s, &endPtr); 21 if (endPtr - (const wchar_t *)s != s.Length()) 22 prop = s; 23 else if (result <= 0xFFFFFFFF) 24 prop = (UInt32)result; 25 else 26 prop = result; 27 } 28 SetProperties(IUnknown * unknown,const CObjectVector<CProperty> & properties)29HRESULT SetProperties(IUnknown *unknown, const CObjectVector<CProperty> &properties) 30 { 31 if (properties.IsEmpty()) 32 return S_OK; 33 CMyComPtr<ISetProperties> setProperties; 34 unknown->QueryInterface(IID_ISetProperties, (void **)&setProperties); 35 if (!setProperties) 36 return S_OK; 37 38 UStringVector realNames; 39 CPropVariant *values = new CPropVariant[properties.Size()]; 40 try 41 { 42 int i; 43 for(i = 0; i < properties.Size(); i++) 44 { 45 const CProperty &property = properties[i]; 46 NCOM::CPropVariant propVariant; 47 UString name = property.Name; 48 if (property.Value.IsEmpty()) 49 { 50 if (!name.IsEmpty()) 51 { 52 wchar_t c = name.Back(); 53 if (c == L'-') 54 propVariant = false; 55 else if (c == L'+') 56 propVariant = true; 57 if (propVariant.vt != VT_EMPTY) 58 name.DeleteBack(); 59 } 60 } 61 else 62 ParseNumberString(property.Value, propVariant); 63 realNames.Add(name); 64 values[i] = propVariant; 65 } 66 CRecordVector<const wchar_t *> names; 67 for(i = 0; i < realNames.Size(); i++) 68 names.Add((const wchar_t *)realNames[i]); 69 70 RINOK(setProperties->SetProperties(&names.Front(), values, names.Size())); 71 } 72 catch(...) 73 { 74 delete []values; 75 throw; 76 } 77 delete []values; 78 return S_OK; 79 } 80