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// SetProperties.cpp
#include "StdAfx.h"
#include "../../../Common/MyCom.h"
#include "../../../Common/MyString.h"
#include "../../../Common/StringToInt.h"
#include "../../../Windows/PropVariant.h"
#include "../../Archive/IArchive.h"
#include "SetProperties.h"
using namespace NWindows;
using namespace NCOM;
static void ParseNumberString(const UString &s, NCOM::CPropVariant &prop)
{
const wchar_t *end;
UInt64 result = ConvertStringToUInt64(s, &end);
if (*end != 0 || s.IsEmpty())
prop = s;
else if (result <= (UInt32)0xFFFFFFFF)
prop = (UInt32)result;
else
prop = result;
}
HRESULT SetProperties(IUnknown *unknown, const CObjectVector<CProperty> &properties)
{
if (properties.IsEmpty())
return S_OK;
CMyComPtr<ISetProperties> setProperties;
unknown->QueryInterface(IID_ISetProperties, (void **)&setProperties);
if (!setProperties)
return S_OK;
UStringVector realNames;
CPropVariant *values = new CPropVariant[properties.Size()];
try
{
unsigned i;
for (i = 0; i < properties.Size(); i++)
{
const CProperty &property = properties[i];
NCOM::CPropVariant propVariant;
UString name = property.Name;
if (property.Value.IsEmpty())
{
if (!name.IsEmpty())
{
wchar_t c = name.Back();
if (c == L'-')
propVariant = false;
else if (c == L'+')
propVariant = true;
if (propVariant.vt != VT_EMPTY)
name.DeleteBack();
}
}
else
ParseNumberString(property.Value, propVariant);
realNames.Add(name);
values[i] = propVariant;
}
CRecordVector<const wchar_t *> names;
for (i = 0; i < realNames.Size(); i++)
names.Add((const wchar_t *)realNames[i]);
RINOK(setProperties->SetProperties(&names.Front(), values, names.Size()));
}
catch(...)
{
delete []values;
throw;
}
delete []values;
return S_OK;
}