public Logic()
{
m_first = null;
m_second = null;
m_operator = Operator.Equals;
}
public Logic(Fact first, Fact second, Operator op)
{
m_first = first;
m_second = second;
m_operator = op;
}
public void Read(XmlTextReader reader, Thinker thinker)
{
bool done = false;
while (!done)
{
reader.Read();
if (reader.NodeType == XmlNodeType.EndElement &&
reader.Name == "Logic")
{
done = true;
}
// Process a start of element node.
else if (reader.NodeType == XmlNodeType.Element)
{
// Process a text node.
if (reader.Name == "Fact1")
{
while (reader.NodeType != XmlNodeType.Text)
{
reader.Read();
}
m_first = thinker.GetFact(reader.Value);
}
if (reader.Name == "Fact2")
{
while (reader.NodeType != XmlNodeType.Text)
{
reader.Read();
}
m_second = thinker.GetFact(reader.Value);
}
if (reader.Name == "Operator")
{
while (reader.NodeType != XmlNodeType.Text)
{
reader.Read();
}
switch (reader.Value)
{
case "And":
m_operator = Operator.And;
break;
case "Equals":
m_operator = Operator.Equals;
break;
case "GreaterThan":
m_operator = Operator.GreaterThan;
break;
case "GreaterThanEquals":
m_operator = Operator.GreaterThanEquals;
break;
case "LessThan":
m_operator = Operator.LessThan;
break;
case "LessThanEquals":
m_operator = Operator.LessThanEquals;
break;
case "NotEqual":
m_operator = Operator.NotEqual;
break;
case "Or":
m_operator = Operator.Or;
break;
case "True":
m_operator = Operator.True;
break;
case "False":
m_operator = Operator.False;
break;
}
}
}
} // End while loop
}
