private static ComputedNode CreateNodes(EvaluationContext context)
{
ComputedNode root = null;
List <ComputedNode> computedNodes = new List <ComputedNode>();
foreach (Step step in context.Steps)
{
ComputedNode cn = new ComputedNode()
{
Results = step.OutVariables.Select(i => context.GetValue(i)).ToArray(),
ExpressionImage = step.Image,
Description = step.SourceExpression.Title,
ResultVariableNames = step.OutVariables.ToList(),
Step = step
};
List <Branch> branches = new List <Branch>();
foreach (SourceVariable variable in step.InSourceVariables)
{
branches.Add(new Branch()
{
Node = new VariableNode()
{
Description = variable.Description,
Text = DecoratedText.Create(variable.Name),
Name = variable.Name,
Value = context.GetValue(variable.Name)
}
});
}
/*
* foreach (string variable in step.InTempVariables)
* {
* branches.Add(new Branch() { Node = computedNodes.First(j => j.ResultVariableNames.Contains(variable)) });
* }
*/
foreach (Step fromStep in step.Froms)
{
branches.Add(new Branch()
{
Node = computedNodes.First(j => j.Step == fromStep)
});
}
List <Branch> distinctBranches = new List <Branch>();
foreach (Branch branch in branches)
{
if (!distinctBranches.Any(i => i.Node == branch.Node))
{
distinctBranches.Add(branch);
cn.InheritVariables(branch.Node);
}
}
cn.Branches = distinctBranches.ToList();
computedNodes.Insert(0, cn);
root = cn;
}
return(root);
}
public TextExpression(string text, bool isItalic)
{
this.text = DecoratedText.Create(text);
this.isItalic = isItalic;
}