public HashSet <string> UsedParameters()
{
Check();
var visitor = new ParameterExtractionVisitor();
ParsedExpression.Accept(visitor);
return(visitor.Parameters);
}
public override ICollection<string> GetNeededInputs()
{
// Parse formula to extract references to any object name
var e = NCalc.Expression.Compile(Formula, false);
var visitor = new ParameterExtractionVisitor();
e.Accept(visitor);
mInputs = visitor.Parameters;
return mInputs;
}
public List <ParameterFormula> ExtractParameters(Formula formula)
{
var expression = global::NCalc.Expression.Compile(formula.Body, false);
var visitor = new ParameterExtractionVisitor();
expression.Accept(visitor);
return(visitor.Parameters.Select(x => new ParameterFormula {
Name = x
}).ToList());
}
public override ICollection <string> GetNeededInputs()
{
// Parse formula to extract references to any object name
var e = NCalc.Expression.Compile(Formula, false);
var visitor = new ParameterExtractionVisitor();
e.Accept(visitor);
mInputs = visitor.Parameters;
return(mInputs);
}
public List <string> GetParametersInExpression(string formula)
{
try
{
var expr = NCalc.Expression.Compile(formula, false);
var visitor = new ParameterExtractionVisitor();
expr.Accept(visitor);
return(visitor.Parameters);
}
catch (Exception ex)
{
return(new List <string>());
}
}
