//TODO Make String builder
private void CleanUpExpression()
{
if (this.StringExpression.Equals(""))
{
Console.WriteLine("ERROR");
}
this.StringExpression = StringExpression.Trim(); // Trim by removeing extra spaces at end and beginning
this.StringExpression = this.StringExpression.Replace(" ", ""); // removes any inline spaces
//Adds any let out or forgotten multiplication marks ie (A+B)(A+B) -> (A+B)*(A+B)
for (int i = 0; i < this.StringExpression.Length; i++)
{
if (Char.IsLetter(StringExpression[i]))
{
if (Char.IsLower(StringExpression[i]))
{
StringExpression = StringExpression.Substring(0, i) + Char.ToUpper(StringExpression[i]) +
StringExpression.Substring(i + 1);
}
//Checks to make sure there are multiplication points where vairbale AND occurs
if (i != StringExpression.Length - 1)
{
if (Char.IsLetter(StringExpression[i + 1]))
{
StringExpression = StringExpression.Substring(0, i + 1) + "*" +
StringExpression.Substring(i + 1);
}
//Make sure not out of bounds accessing
else if (i != StringExpression.Length - 2 && (StringExpression[i + 1] == '\'' || StringExpression[i + 1] == ')'))
{
//Where the next char is a inversion or maybe a parenthesis and the AND (*) needs to go after
// ie (A+B)'*
if (Char.IsLetter(StringExpression[i + 2]))
{
StringExpression = StringExpression.Substring(0, i + 2) + "*" +
StringExpression.Substring(i + 2);
}
}
}
}
}
}