public virtual void ReadFrom(XElement xE)
{
Operator = null;
LhsOperand = null;
RhsOperand = null;
FunctionString = null;
foreach (var xItem in xE.Elements())
{
var localName = xItem.Name.LocalName;
if (localName == "operator")
{
Operator = FunctionOperatorExtensions.Parse(xItem.Value);
}
else if (localName == "lhsOperand")
{
if (LhsOperand == null)
{
LhsOperand = new List <FunctionArgumentOperand>();
}
var lhsOperandItem = InstanceCreator.CreateFunctionArgumentOperand(xItem);
lhsOperandItem.ReadFrom(xItem);
LhsOperand.Add(lhsOperandItem);
}
else if (localName == "rhsOperand")
{
if (RhsOperand == null)
{
RhsOperand = new List <FunctionArgumentOperand>();
}
var rhsOperandItem = InstanceCreator.CreateFunctionArgumentOperand(xItem);
rhsOperandItem.ReadFrom(xItem);
RhsOperand.Add(rhsOperandItem);
}
else if (localName == "functionString")
{
FunctionString = xItem.Value;
}
}
}