public Equation GetShorted(Equation equation)
{
int level = 1;
string higherLevelEquation = "";
equation.RemoveAt(0);
while (equation.Count > 0)
{
char c = equation[0];
equation.RemoveAt(0);
if (IsBeginLook(c))
{
level++;
}
else if (IsEndLook(c))
{
level--;
}
if (level == 0)
{
return(new Equation(higherLevelEquation));
}
higherLevelEquation += c;
}
return(new Equation());
}
public override bool Matches(Equation equation)
{
if (!startDoubleChars.Contains(equation[0]))
{
return(false);
}
string simpleValueText = "";
double preValue = -1, curValue;
do
{
simpleValueText += equation[0];
if (!double.TryParse(simpleValueText, out curValue))
{
if (preValue == -1)
{
return(false);
}
Value = preValue;
return(true);
}
equation.RemoveAt(0);
preValue = curValue;
} while (equation.Count > 0 && allDoubleChars.Contains(equation[0]));
Value = curValue;
return(true);
}
private static bool LooksLike(Equation equation, string look)
{
if (!equation.ToString().ToLower().StartsWith(look))
{
return(false);
}
for (int i = 0; i < look.Length; i++)
{
equation.RemoveAt(0);
}
return(true);
}
private void GoThroughEquation()
{
while (equation.Count > 0)
{
Part addPart;
if (IsPart(out addPart))
{
parts.Add(addPart);
}
else
{
equation.RemoveAt(0);
}
}
}
