const char* IPropertySet::GetSTRING(const void* pData, int nIndex)
{
assert(nIndex>=0 && nIndex<PropertyCount());
if(nIndex<0 || nIndex>=PropertyCount()) return NULL;
IProperty* pInfo = GetProperty(nIndex);
assert(pInfo->GetType()==PROPERTY_TYPE_STRING);
if(pInfo->GetType()!=PROPERTY_TYPE_STRING) return NULL;
return (const char*)pData + pInfo->GetOffset();
}
unsigned int IPropertySet::GetDWORD(const void* pData, int nIndex)
{
assert(nIndex>=0 && nIndex<PropertyCount());
if(nIndex<0 || nIndex>=PropertyCount()) return -1;
IProperty* pInfo = GetProperty(nIndex);
assert(pInfo->GetType()==PROPERTY_TYPE_DWORD);
if(pInfo->GetType()!=PROPERTY_TYPE_DWORD) return -1;
return *((unsigned int*)((char*)pData + pInfo->GetOffset()));
}
float IPropertySet::GetFLOAT(const void* pData, int nIndex)
{
assert(nIndex>=0 && nIndex<PropertyCount());
if(nIndex<0 || nIndex>=PropertyCount()) return -1;
IProperty* pInfo = GetProperty(nIndex);
assert(pInfo->GetType()==PROPERTY_TYPE_FLOAT);
if(pInfo->GetType()!=PROPERTY_TYPE_FLOAT) return -1;
return *((float*)((char*)pData + pInfo->GetOffset()));
}
bool IPropertySet::SetValue(void* pData, int nIndex, char Value)
{
assert(nIndex>=0 && nIndex<PropertyCount());
if(nIndex<0 || nIndex>=PropertyCount()) return false;
IProperty* pInfo = GetProperty(nIndex);
assert(pInfo->GetType()==PROPERTY_TYPE_CHAR);
if(pInfo->GetType()!=PROPERTY_TYPE_CHAR) return false;
*((char*)((char*)pData + pInfo->GetOffset())) = Value;
return true;
}
bool IPropertySet::SetValue(void* pData, int nIndex, const char* Value)
{
assert(nIndex>=0 && nIndex<PropertyCount());
if(nIndex<0 || nIndex>=PropertyCount()) return false;
IProperty* pInfo = GetProperty(nIndex);
assert(pInfo->GetType()==PROPERTY_TYPE_FLOAT);
if(pInfo->GetType()!=PROPERTY_TYPE_FLOAT) return false;
unsigned int len = strlen(Value);
assert(len<=pInfo->GetSize());
if(len>pInfo->GetSize()) return false;
memcpy((char*)pData+pInfo->GetOffset(), Value, len+1);
return true;
}