/*!
* \brief 功能概述 获取报文中的值
* \param 参数描述 nStartByte是开始字节，nSize是字节个数
* \return 返回值描述 返回报文中获取的值
* \author zzy
* \date 2015/5/25
*/
unsigned int CIEC104Response::GetUInt( int nStartByte, int nSize ) const
{
Q_ASSERT(IsValid());
AdjustIndex(nStartByte);
Q_ASSERT(nStartByte >= 0);
Q_ASSERT(nSize > 0);
Q_ASSERT(nStartByte+nSize <= m_nInfomationSize);
unsigned int nReturnValue = INVALID_VALUE;
if (nStartByte>=0 && nStartByte+nSize<=m_nInfomationSize)
{
switch (nSize)
{
case 1:
nReturnValue = *(unsigned char *)(m_pBufferHead + nStartByte);
break;
case 2:
nReturnValue = *(unsigned short int *)(m_pBufferHead + nStartByte);
break;
case 4:
nReturnValue = *(unsigned int *)(m_pBufferHead + nStartByte);
break;
case 3://不常见
nReturnValue = *(unsigned int *)(m_pBufferHead + nStartByte) & 0xFFFFFF;
break;
default:
Q_ASSERT(false);
break;
}
}
return nReturnValue;
}
/*!
* \brief 功能概述 获取缓冲区内容
* \param 参数描述 nStartByte是开始字节
* \return 返回值描述 返回缓冲区指针
* \author zzy
* \date 2015/5/25
*/
BYTE *CIEC104Response::GetBuffer(int nStartByte) const
{
Q_ASSERT(IsValid());
AdjustIndex(nStartByte);
Q_ASSERT(nStartByte >= 0);
Q_ASSERT(nStartByte < m_nInfomationSize);
return m_pBufferHead + nStartByte;
}
void MHListGroup::DeselectItem(int nCell, MHEngine *engine)
{
if (m_fWrapAround)
{
nCell = AdjustIndex(nCell);
}
if (nCell < 1 || nCell > m_ItemList.size())
{
return;
}
Deselect(nCell, engine);
}
void MHListGroup::GetItemStatus(int nCell, const MHObjectRef &itemDest, MHEngine *engine)
{
if (m_fWrapAround)
{
nCell = AdjustIndex(nCell);
}
if (nCell < 1 || nCell > m_ItemList.size())
{
return;
}
engine->FindObject(itemDest)->SetVariableValue(m_ItemList.at(nCell - 1)->m_fSelected);
}
void MHListGroup::GetListItem(int nCell, const MHObjectRef &itemDest, MHEngine *engine)
{
if (m_fWrapAround)
{
nCell = AdjustIndex(nCell);
}
if (nCell < 1 || nCell > m_ItemList.size())
{
return; // Ignore it if it's out of range and not wrapping
}
engine->FindObject(itemDest)->SetVariableValue(m_ItemList.at(nCell - 1)->m_pVisible->m_ObjectReference);
}
void MHListGroup::SetFirstItem(int nCell, MHEngine *engine)
{
if (m_fWrapAround)
{
nCell = AdjustIndex(nCell);
}
if (nCell < 1 || nCell > m_ItemList.size())
{
return;
}
m_nFirstItem = nCell;
Update(engine);
}
void MHListGroup::ToggleItem(int nCell, MHEngine *engine)
{
if (m_fWrapAround)
{
nCell = AdjustIndex(nCell);
}
if (nCell < 1 || nCell > m_ItemList.size())
{
return;
}
if (m_ItemList.at(nCell - 1)->m_fSelected)
{
Deselect(nCell, engine);
}
else
{
Select(nCell, engine);
}
}
