/// <summary>
/// Given an XML circuit representation, create an IC.
/// The local IC List will be used to deference any nested ICs.
/// </summary>
/// <param name="circuit"></param>
/// <returns></returns>
public UIGates.IC LoadCircuit(XElement circuit)
{
Gates.Circuit c = new Gates.Circuit();
Dictionary <int, Gates.AbstractGate> gid = new Dictionary <int, Gates.AbstractGate>();
Dictionary <Gates.AbstractGate, GateLocation> gpt = new Dictionary <Gates.AbstractGate, GateLocation>();
foreach (XElement gate in circuit.Element("Gates").Elements())
{
Gates.AbstractGate abgate = CreateGate(gate);
c.Add(abgate);
gid.Add(int.Parse(gate.Attribute("ID").Value), abgate);
double x = double.Parse(gate.Element("Point").Attribute("X").Value);
double y = double.Parse(gate.Element("Point").Attribute("Y").Value);
double angle = double.Parse(gate.Element("Point").Attribute("Angle").Value);
gpt.Add(abgate, new GateLocation()
{
X = x, Y = y, Angle = angle
});
}
foreach (XElement wire in circuit.Element("Wires").Elements())
{
c[CreateTerminal(gid, wire.Element("To"))] = CreateTerminal(gid, wire.Element("From"));
}
ICBuilder icb = new ICBuilder(c, (Gates.AbstractGate abgate) =>
{
return(gpt[abgate]);
});
// for top level circuit, must not create terminals
// otherwise input/output overridden
if (circuit.Attribute("Name") != null)
{
string cname = circuit.Attribute("Name").Value;
// check first if we need to rename
if (UpdateICNames.ContainsKey(cname))
{
cname = UpdateICNames[cname];
}
return(icb.CreateIC(cname));
}
else
{
return(icb.CreateNonTerminaledIC(""));
}
}
private Gates.AbstractGate CreateGate(XElement gate)
{
int numInputs = 2; // default for variable input gates
if (gate.Attribute("NumInputs") != null)
{
numInputs = int.Parse(gate.Attribute("NumInputs").Value);
}
switch (gate.Attribute("Type").Value)
{
case "And":
return(new Gates.BasicGates.And(numInputs));
case "Not":
return(new Gates.BasicGates.Not());
case "Or":
return(new Gates.BasicGates.Or(numInputs));
case "Nand":
return(new Gates.BasicGates.Nand(numInputs));
case "Nor":
return(new Gates.BasicGates.Nor(numInputs));
case "Xor":
return(new Gates.BasicGates.Xor());
case "Xnor":
return(new Gates.BasicGates.Xnor());
case "Buffer":
return(new Gates.BasicGates.Buffer());
case "UserInput":
Gates.IOGates.UserInput ui = new Gates.IOGates.UserInput();
ui.SetName(gate.Attribute("Name").Value);
return(ui);
case "UserOutput":
Gates.IOGates.UserOutput uo = new Gates.IOGates.UserOutput();
uo.SetName(gate.Attribute("Name").Value);
return(uo);
case "NumericInput":
Gates.IOGates.NumericInput ni = new Gates.IOGates.NumericInput(int.Parse(gate.Attribute("Bits").Value));
ni.SelectedRepresentation = (Gates.IOGates.AbstractNumeric.Representation) int.Parse(gate.Attribute("SelRep").Value);
ni.Value = gate.Attribute("Value").Value;
return(ni);
case "NumericOutput":
Gates.IOGates.NumericOutput no = new Gates.IOGates.NumericOutput(int.Parse(gate.Attribute("Bits").Value));
no.SelectedRepresentation = (Gates.IOGates.AbstractNumeric.Representation) int.Parse(gate.Attribute("SelRep").Value);
return(no);
case "Clock":
Gates.IOGates.Clock clk = new Gates.IOGates.Clock(int.Parse(gate.Attribute("Milliseconds").Value));
return(clk);
case "IC":
// check if this ic has been renamed
string cname = gate.Attribute("Name").Value;
// check first if we need to rename
if (UpdateICNames.ContainsKey(cname))
{
cname = UpdateICNames[cname];
}
return(icl.GetIC(cname).AbGate.Clone());
case "Comment":
Gates.IOGates.Comment cmt = new Gates.IOGates.Comment();
cmt.Value = gate.Element("Comment").Value;
return(cmt);
}
throw new ArgumentException("unknown gate");
}
