public static object EvaluateInput(string input)
{
if (input.Contains("=="))//comparison operator
{
string[] parts = input.Split("==");
object original = Parse.ParseAnything(parts[0]);
//compare all of the following to the original object
for (int i = 1; i < parts.Length; i++)
{
//if not equal, return now
if (!Function.compare(original, Parse.ParseAnything(parts[i])))
{
return(false);
}
}
//if it made it this far, it is equal
return(true);
}
else if (input.Contains('=')) //assignment operator
{
string[] parts = input.Split('=');
if (parts.Length > 2)
{
PrintError("You can only use one assignment operator (=) in one line. (Input.EvaluateInput)");
return(null);
}
string name = parts[0].Trim();
object value = Parse.ParseAnything(parts[1]);
Sandbox.SetVariable(name, value);
return(value);
}
else
{
return(Parse.ParseAnything(input));
}
}
private static void UseFunction(string funcChoice)
{
//get the function itself
System.Reflection.MethodInfo mi = Function.GetFunctionFromFullName(funcChoice);
string funcName = mi.Name;
//get the parameters so we know what to ask
System.Reflection.ParameterInfo[] pis = mi.GetParameters();
object[] args = new object[pis.Length];
Clear();
//LINE 1: Preview of function
//LINE 2: Instructions
//LINE 3: Input
int argsEntered = 0;
while (argsEntered < args.Length)
{
Type t = pis[argsEntered].ParameterType;
Console.SetCursorPosition(0, 0);
PrintPartialFunction(funcName, args);
Console.SetCursorPosition(0, 1);
Console.Write(string.Format("Enter a {0}.{1}", t.Name.ToLower(), new string(' ', 30)));//write the instructions
Console.SetCursorPosition(0, 2);
object input = null;
if (t == typeof(string))
{
input = EnterString();
}
else if (t == typeof(MathNet.Symbolics.SymbolicExpression))
{
input = EnterExpression();
}
else if (t.IsArray)
{
input = ParseDoubleArray(EnterString());
}
else if (t == typeof(int))
{
input = EnterInt();
}
else if (t == typeof(double))
{
input = EnterDouble();
}
else if (t == typeof(bool))
{
input = EnterBool();
}
else
{
input = EnterString();
}
args[argsEntered++] = input;
Console.SetCursorPosition(0, 2);
Console.Write(new string(' ', input.ToString().Length + 1));
}
//input is done, print the output info and then go into sanbox mode
Clear();
object output = Function.EvaluateFunction(funcName, args);
Sandbox.SetVariable("ans", output);
PrintPartialFunction(funcName, args);
PrintLine();
Print(string.Format("ans = {0}", output));
Print("Use ans to refer to your answer.");
PrintLine(2);
Sandbox.SandboxLoop(false);
}