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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 | |
17 static 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 | |
29 HRESULT SetProperties(IUnknown *unknown, const CObjectVector<CProperty> &propert
ies) | |
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[name.Length() - 1]; | |
53 if (c == L'-') | |
54 propVariant = false; | |
55 else if (c == L'+') | |
56 propVariant = true; | |
57 if (propVariant.vt != VT_EMPTY) | |
58 name = name.Left(name.Length() - 1); | |
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 } | |
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