/// <summary>
///
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public override bool Parse(string input)
{
var lexers = input.Split(new[] { " is " }, StringSplitOptions.RemoveEmptyEntries);
if (lexers.Count() != 2)
{
return(false);
}
var left = lexers[0].Split(' ');
if (left.Length < 2)
{
return(false);
}
var rValue = int.Parse(lexers[1].Split(' ')[0]);
var primUnit = lexers[1].Split(' ')[1];
this.Context.PrimUnit = primUnit;
var roman = RepeatChecker.Check(string.Join(" ", left.Take(left.Length - 1)), this.Context.Primitives);
var calculated = roman.Calculate();
var unit = left.Last();
var unitValue = (double)rValue / (double)calculated;
this.Context.Units[unit] = unitValue;
return(true);
}
/// <summary>
///
/// </summary>
/// <param name="question"></param>
/// <param name="answer"></param>
/// <returns></returns>
public override bool Solve(string question, out string answer)
{
var qulifier = "how much is";
if (!question.StartsWith(qulifier))
{
answer = null;
return(false);
}
var body = question.Substring(qulifier.Length + 1);
var value = RepeatChecker.Check(body, this.Context.Primitives).Calculate();
answer = value.ToString();
Console.WriteLine(body + " is " + answer);
return(true);
}
/// <summary>
///
/// </summary>
/// <param name="question"></param>
/// <param name="answer"></param>
/// <returns></returns>
public override bool Solve(string question, out string answer)
{
var primUnit = this.Context.PrimUnit;
var qulifier = string.Format("how many {0} is", primUnit);
if (!question.StartsWith(qulifier))
{
answer = null;
return(false);
}
var body = question.Substring(qulifier.Length + 1);
var lexers = body.Split(' ');
var unit = lexers.Last().Trim();
var unitValue = this.Context.Units[unit];
var value = RepeatChecker.Check(string.Join(" ", lexers.Take(lexers.Length - 1)), this.Context.Primitives).Calculate();
answer = (value * unitValue) + " " + primUnit;
Console.WriteLine(body + " is " + answer);
return(true);
}
