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> &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       if (!property.Value.IsEmpty())

    48         ParseNumberString(property.Value, propVariant);

    49       realNames.Add(property.Name);

    50       values[i] = propVariant;

    51     }

    52     CRecordVector<const wchar_t *> names;

    53     for(i = 0; i < realNames.Size(); i++)

    54       names.Add((const wchar_t *)realNames[i]);

    55     

    56     RINOK(setProperties->SetProperties(&names.Front(), values, names.Size()));

    57   }

    58   catch(...)

    59   {

    60     delete []values;

    61     throw;

    62   }

    63   delete []values;

    64   return S_OK;

    65 }