/// <summary>
/// Transfering a list of strings to a list of token elements
/// </summary>
/// <param name="ListS"> list of strings </param>
/// <returns> list of token elements </returns>
static List<Element> StringsToElements(List<string> ListS)
{
List<Element> ListE = new List<Element>();
foreach (string s in ListS)
{
Element n = new Element(s);
switch (n.Type)
{
case C.Operation: n = new Operation(n); break;
case C.Number: n = new Number(n); break;
case C.Function: n = new FunctionElement(n); break;
case C.Control: n = new Control(n); break;
}
ListE.Add(n);
}
return ListE;
}
/// <summary>
/// Creating an operation based on an existing element
/// </summary>
/// <param name="e"> existing element </param>
public Operation(Element e)
{
iType = C.Operation;
sValue = e.ToString();
switch (sValue)
{
case "+": iRank = 1; break;
case "-": iRank = 1; break;
case "*": iRank = 2; break;
case "/": iRank = 2; break;
case "%": iRank = 2; break;
case "^": iRank = 3; break;
}
}
/// <summary>
/// creating a number based on an existing element
/// </summary>
/// <param name="e"> existing element </param>
public Number(Element e)
{
iType = C.Number;
sValue = e.ToString();
try // Checking if it is supposed to be a variable
{
dValue = double.Parse(sValue);
}
catch
{
sName = sValue;
// creating a new variable if it doesn't exist yet
Number n = Variable.CheckName(sName);
if (n == null)
{
Number num = new Number("0");
num.Name = sName;
Variable.Add(num);
}
}
}
/// <summary>
/// Creating a control element based on an existing element
/// </summary>
/// <param name="e"> existing element </param>
public Control(Element e)
{
iType = C.Control;
sValue = e.ToString();
}
/// <summary>
/// Creating a function element based on an existing element
/// </summary>
/// <param name="e"> existing element </param>
public FunctionElement(Element e)
{
iType = C.Function;
sValue = e.ToString();
}
