/// <summary>
/// Create token that matches provided string, string needs to be a single value
/// </summary>
/// <param name="tokenString"></param>
/// <returns></returns>
/// <exception cref="Exception"></exception>
public static Token GetMatchingToken(string tokenString)
{
if (Equal.TryParse(tokenString, out var token))
{
return(token);
}
if (LessThen.TryParse(tokenString, out token))
{
return(token);
}
if (LessThenEqual.TryParse(tokenString, out token))
{
return(token);
}
if (GreaterThen.TryParse(tokenString, out token))
{
return(token);
}
if (GreaterThenEqual.TryParse(tokenString, out token))
{
return(token);
}
if (Between.TryParse(tokenString, out token))
{
return(token);
}
throw new Exception($"Provided string was invalid {tokenString}, please provide valid range token");
}
public static bool TryParse(string tokenString, out Token token)
{
if (tokenString[0] == '<' && tokenString[1] == '=' &&
int.TryParse(tokenString.Remove(0, 2), out var result))
{
token = new LessThenEqual()
{
_value = result
};
return(true);
}
token = null;
return(false);
}