C++ CGXDLMSVariant::ToDouble方法代码示例

int CGXDLMSRegister::SetValue(CGXDLMSSettings* settings, int index, CGXDLMSVariant& value)
{
    if (index == 1)
    {
        return SetLogicalName(this, value);
    }
    else if (index == 2)
    {
        if (m_Scaler != 0)
        {
            double val = GetScaler();
            val *= value.ToDouble();
            CGXDLMSVariant tmp(val);
            SetValue(tmp);
        }
        else
        {
            SetValue(value);
        }
    }
    else if (index == 3 && value.vt == DLMS_DATA_TYPE_STRUCTURE)
    {
        m_Scaler = value.Arr[0].ToInteger();
        m_Unit = value.Arr[1].ToInteger();
    }
    else
    {
        return ERROR_CODES_INVALID_PARAMETER;
    }
    return ERROR_CODES_OK;
}

/*
 * Set value of given attribute.
 */
int CGXDLMSProfileGeneric::SetValue(int index, CGXDLMSVariant& value)
{
	int ret;
    if (index == 1)
    {
        if (value.vt != DLMS_DATA_TYPE_OCTET_STRING || value.GetSize() != 6)
		{
			return ERROR_CODES_INVALID_PARAMETER;
		}
		memcpy(m_LN, &value.byteArr[0], 6);
    }
    else if (index == 2)
    {
        if (m_CaptureObjects.size() == 0)
        {
			//Read capture objects first.
			return ERROR_CODES_INVALID_PARAMETER;                
        }
        m_Buffer.clear();
		if (value.vt != DLMS_DATA_TYPE_NONE)
        {
            vector<DLMS_DATA_TYPE> types;
			DLMS_DATA_TYPE type;
			for (std::vector<std::pair<CGXDLMSObject*, CGXDLMSCaptureObject*> >::iterator it = m_CaptureObjects.begin(); it != m_CaptureObjects.end(); ++it)                    
            {
				if ((ret = (*it).first->GetUIDataType((*it).second->GetAttributeIndex(), type)) != 0)
				{
					return ret;
				}
                types.push_back(type);
            }
			
			for (std::vector<CGXDLMSVariant >::iterator row = value.Arr.begin(); row != value.Arr.end(); ++row)                    
            {
                if ((*row).Arr.size() != m_CaptureObjects.size())
                {
                    //Number of columns do not match.
					return ERROR_CODES_INVALID_PARAMETER;
                }
                for(unsigned int a = 0; a < (*row).Arr.size(); ++a)
                {
                    CGXDLMSVariant data = (*row).Arr[a];
                    DLMS_DATA_TYPE type = types[a];
                    if (type != DLMS_DATA_TYPE_NONE && data.vt == DLMS_DATA_TYPE_OCTET_STRING)
                    {
						unsigned char* pBuff = &data.byteArr[0];
						int size = data.byteArr.size();
                        if ((ret = CGXOBISTemplate::GetData(pBuff, size, type, (*row).Arr[a])) != 0)
						{
							return ret;
						}
                    }
					std::pair<CGXDLMSObject*, CGXDLMSCaptureObject*> item = m_CaptureObjects[a];
					if (item.first->GetObjectType() == OBJECT_TYPE_REGISTER && item.second->GetAttributeIndex() == 2)
                    {
                        double scaler = ((CGXDLMSRegister*) item.first)->GetScaler();
                        if (scaler != 1)
                        {
                            row[a] = data.ToDouble() * scaler;                                    
                        }
                    }   
                }
				m_Buffer.push_back(row->Arr);
            }  			
        }
		m_EntriesInUse = m_Buffer.size();
    }
    else if (index == 3)
    {
        m_CaptureObjects.clear();
		m_Buffer.clear();
		m_EntriesInUse = 0;
        if (value.vt == DLMS_DATA_TYPE_ARRAY)
        {
			for (std::vector<CGXDLMSVariant >::iterator it = value.Arr.begin(); it != value.Arr.end(); ++it)
            {                    
                if ((*it).Arr.size() != 4)
                {
					//Invalid structure format.
					return ERROR_CODES_INVALID_PARAMETER;                        
                }
                OBJECT_TYPE type = (OBJECT_TYPE) (*it).Arr[0].ToInteger();
				string ln;
				CGXOBISTemplate::GetLogicalName(&(*it).Arr[1].byteArr[0], ln);
                CGXDLMSObject* pObj = NULL;
				if (GetParent() != NULL)
				{
					pObj = GetParent()->FindByLN(type, ln);
				}
                if(pObj == NULL)
                {                        
                    pObj = CGXDLMSObjectFactory::CreateObject(type);
                    pObj->SetLogicalName(ln);
                }                    
                AddCaptureObject(pObj, (*it).Arr[2].ToInteger(), (*it).Arr[3].ToInteger());
            }
        }
//.........这里部分代码省略.........

int CGXDLMSDemandRegister::SetValue(int index, CGXDLMSVariant& value)
{
	if (index == 1)
	{
		if (value.vt != DLMS_DATA_TYPE_OCTET_STRING || value.GetSize() != 6)
		{
			return ERROR_CODES_INVALID_PARAMETER;
		}
		memcpy(m_LN, &value.byteArr[0], 6);
		return ERROR_CODES_OK;
	}
    else if (index == 2)
    {
		if (m_Scaler != 0)
		{
			SetCurrentAvarageValue(CGXDLMSVariant(value.ToDouble() * m_Scaler));
		}
		else
		{
			SetCurrentAvarageValue(value);
		}
    }
    else if (index == 3)
    {
		if (m_Scaler != 0)
		{
			SetLastAvarageValue(CGXDLMSVariant(value.ToDouble() * GetScaler()));
		}
		else
		{
			SetLastAvarageValue(value);
		}        
    }
    else if (index == 4)
    {
		m_Scaler = value.Arr[0].bVal;
		m_Unit = value.Arr[1].bVal;
    }
    else if (index == 5)
    {
		SetStatus(value.lVal);    
    }
    else if (index == 6)
    {
		CGXDLMSVariant tmp;
		CGXDLMSClient::ChangeType(value.byteArr, DLMS_DATA_TYPE_DATETIME, tmp);            
		SetCaptureTime(tmp.dateTime);
    }
    else if (index == 7)
    {
        CGXDLMSVariant tmp;
		CGXDLMSClient::ChangeType(value.byteArr, DLMS_DATA_TYPE_DATETIME, tmp);
        SetStartTimeCurrent(tmp.dateTime);
    }
    else if (index == 8)
    {
		SetPeriod(value.ulVal);
    }   
    else if (index == 9)
    {
        SetNumberOfPeriods(value.lVal);			
    }   
	else
	{
		return ERROR_CODES_INVALID_PARAMETER;
	}
	return ERROR_CODES_OK;
}