public static MathExpression Parse(string input, MathFormat inputFormat)
{
if (input.Contains("+"))
{
return(new AddExpression(input, inputFormat));
}
if (input.Contains("/"))
{
return(new DivideExpression(input, inputFormat));
}
if (input.Contains("*"))
{
return(new MultiplyExpression(input, inputFormat));
}
if (input.Contains("-"))
{
return(new SubtractExpression(input, inputFormat));
}
if (input.Contains("√"))
{
return(new RootExpression(input, inputFormat));
}
if (input.Contains("exp"))
{
return(new ExponentExpression(input, inputFormat));
}
return(new UnaryExpression(input, inputFormat));
}
public UnaryExpression(object value, MathFormat inputFormat = MathFormat.Decimal)
{
InputString = Convert.ToString(value);
InputFormat = inputFormat;
Result = value;
if (value is string)
{
if (inputFormat == MathFormat.Binary)
{
Result = Convert.ToInt32((string)value, 2);
}
else if (inputFormat == MathFormat.Octal)
{
Result = Convert.ToInt32((string)value, 8);
}
else if (inputFormat == MathFormat.Hexadecimal)
{
Result = Convert.ToInt32((string)value, 16);
}
else
{
Result = Convert.ToDouble((string)value);
}
}
else if (value is double)
{
Result = Math.Round((double)value, 10);
}
}
public RootExpression(string input, MathFormat inputFormat) : base(input, inputFormat)
{
}
public SubtractExpression(string input, MathFormat inputFormat) : base(input, inputFormat)
{
}
public DivideExpression(string input, MathFormat inputFormat) : base(input, inputFormat)
{
}
protected BinaryExpression(string input, MathFormat inputFormat)
{
InputString = input;
InputFormat = inputFormat;
}
protected UnaryExpression EvaluateToExpressionResult(string expression, MathFormat inputFormat = MathFormat.Decimal)
{
return(new SimpleCalculator().Evaluate(expression, inputFormat));
}
public MathExpression Parse(string input, MathFormat inputFormat = MathFormat.Decimal)
{
return(MathExpression.Parse(input, inputFormat));
}
public UnaryExpression Evaluate(string input, MathFormat inputFormat = MathFormat.Decimal)
{
MathExpression expression = Parse(input, inputFormat);
return(expression.Evaluate());
}
public MultiplyExpression(string input, MathFormat inputFormat) : base(input, inputFormat)
{
}
