public LPModel(string name, LPGoal goal, IEnumerable<LPConstraint> constraints)
{
Name = name;
Objective = goal.Goal;
GoalKind = goal.GoalType;
_constraint = new List<LPConstraint>(constraints);
}
private static LPGoal ParseGoal(ParseTreeNode lpGoalNode)
{
var rGoal = new LPGoal();
if (lpGoalNode.ChildNodes[0].ToString() == "min (Keyword)")
rGoal.GoalType = LPGoalType.Minimize;
else if (lpGoalNode.ChildNodes[0].ToString() == "max (Keyword)")
rGoal.GoalType = LPGoalType.Maximize;
rGoal.Goal = ParsePolynomial(lpGoalNode.ChildNodes[1]);
return rGoal;
}
public static LPModel ConvertParseTreeToModel(ParseTree tree)
{
string modelName = "";
var lpGoal = new LPGoal();
var lpConstraints = new List<LPConstraint>();
if (tree.Root.ToString() == "lpApp")
{
foreach (ParseTreeNode node in tree.Root.ChildNodes)
{
switch (node.ToString())
{
case "lpAppName":
modelName = ParseModelName(node);
break;
case "lpModel":
foreach (ParseTreeNode subNodes in node.ChildNodes)
{
switch (subNodes.ToString())
{
case "lpGoal":
lpGoal = ParseGoal(subNodes);
break;
case "lpConstraints":
lpConstraints = ParseConstraints(subNodes);
break;
}
}
break;
}
}
}
else
{
throw new Exception("The Root element is not Correct");
}
return new LPModel(modelName.Replace("(appIdentifier)", "").Replace(" ", ""), lpGoal, lpConstraints);
}