private bool tryCreatePairVals(string[] input, ValTextPairEngine engine)
{
for (int i = 2; i < input.Length; i += 2)
{
int val;
if (!int.TryParse(input[i], out val)) return false;
string pairText = input[i + 1];
engine._pairs.Add(new Tuple<int, string>(val, pairText));
}
return true;
}
public static void TryCreate(string[] input, out ValTextPairEngine engine)
{
engine = new ValTextPairEngine();
if (input.Length < 4)
{
engine._isValid = false;
engine._error = "Must input at least 4 params in the form of begin, end, int, text.";
return;
}
if (!int.TryParse(input[0], out engine._begin))
{
engine._isValid = false;
engine._error = "begin param must be an integer.";
return;
}
if (!int.TryParse(input[1], out engine._end))
{
engine._isValid = false;
engine._error = "end param must be an integer.";
return;
}
if (engine._begin >= engine._end)
{
engine._isValid = false;
engine._error = "begin param must be larger than end param.";
return;
}
if (!(input.Length % 2 == 0))
{
engine._isValid = false;
engine._error = "incorrect number of params, after begin and end, must have val/text pairs.";
return;
}
if (!engine.tryCreatePairVals(input, engine))
{
engine._isValid = false;
engine._error = "val/text pairs must start with integer";
}
}