/// <summary>
/// 给定名称和类型获得变量单元
/// </summary>
/// <param name="name">变量名称</param>
/// <param name="type">变量类型（BIT/WORD/DWORD/FLOAT/DOUBLE）</param>
/// <returns></returns>
public SimulateVariableUnit GetVariableUnit(string name, string type)
{
// 如果是常量的头
switch (name[0])
{
case 'K':
case 'F':
case 'H':
return(GetConstantUnit(name, type));
default:
break;
}
// 剩下的是变量的头
// 在管理器中查找
SimulateVariableUnit unit = null;
unit = smanager.Find(name, type);
if (unit != null)
{
return(unit);
}
// 不存在则新建
unit = SimulateVariableUnit.Create(name, type);
// 注册到管理器中
smanager.Add(unit);
return(unit);
}
public static SimulateDataModel Create(string name)
{
SimulateVariableUnit svunit = SimulateVariableUnit.Create(name);
if (svunit == null)
{
return(null);
}
return(new SimulateDataModel(svunit));
}
public void LoadXml(XElement node_SDModel)
{
string name = (string)(node_SDModel.Attribute("Name"));
string type = (string)(node_SDModel.Attribute("Type"));
string var = (string)(node_SDModel.Attribute("var"));
SVUnit = SimulateVariableUnit.Create(name, type);
SVUnit.Var = var;
IEnumerable <XElement> node_VSs = node_SDModel.Elements("ValueSegment");
values = new List <ValueSegment>();
foreach (XElement node_VS in node_VSs)
{
ValueSegment vs;
switch (Type)
{
case "BIT":
vs = new BitSegment();
vs.Value = (Int32)node_VS.Attribute("Value");
break;
case "WORD":
vs = new WordSegment();
vs.Value = (Int32)node_VS.Attribute("Value");
break;
case "DWORD":
vs = new DWordSegment();
vs.Value = (Int64)node_VS.Attribute("Value");
break;
case "FLOAT":
vs = new FloatSegment();
vs.Value = (double)node_VS.Attribute("Value");
break;
default:
throw new FormatException();
}
vs.TimeStart = (int)(node_VS.Attribute("TimeStart"));
vs.TimeEnd = (int)(node_VS.Attribute("TimeEnd"));
values.Add(vs);
}
IsLock = (bool)(node_SDModel.Attribute("IsLock"));
IsView = (bool)(node_SDModel.Attribute("IsView"));
}