public void S(string partOfstring)
{
if (String.IsNullOrWhiteSpace(partOfstring))
{
throw new EmptyMemberException();
}
try
{
int sk = 0;
for (int i = partOfstring.Length - 1; i >= 0; i--)
{
if (partOfstring[i] == '(')
{
sk++;
continue;
}
if (partOfstring[i] == ')')
{
sk--;
continue;
}
if ((partOfstring[i] == '+' || partOfstring[i] == '-' && i != 0) && sk == 0)
{
Value = partOfstring[i].ToString();
Type = NodeType.PlusMinus;
Left = new ElementOfTree();
Left.S(partOfstring.Substring(0, i));
Right = new ElementOfTree();
Right.T(partOfstring.Substring(i + 1));
return;
}
}
if (partOfstring[0] == '-')
{
Value = partOfstring[0].ToString();
Type = NodeType.MinusU;
Left = new ElementOfTree();
Left.T(partOfstring.Substring(1, partOfstring.Length - 1));
return;
}
T(partOfstring);
}
catch (ExpressionException e)
{
e.Node = GetNormalNodeState(partOfstring);
throw;
}
}
private void T(string partOfString)
{
if (String.IsNullOrWhiteSpace(partOfString))
{
throw new EmptyMemberException();
}
try
{
int sk = 0;
int divide = -1;
int multiply = -1;
int degree = -1;
for (int i = partOfString.Length - 1; i >= 0; i--)
{
if (partOfString[i] == '(')
{
sk++;
}
else
if (partOfString[i] == ')')
{
sk--;
}
else
if (sk == 0)
{
if (partOfString[i] == '/' && divide == -1)
{
divide = i;
}
else
if (partOfString[i] == '*' && multiply == -1)
{
multiply = i;
}
else
if (partOfString[i] == '^' && degree == -1)
{
degree = i;
}
}
}
if (divide != -1)
{
Value = partOfString[divide].ToString();
Type = NodeType.Divide;
Left = new ElementOfTree();
Left.T(partOfString.Substring(0, divide));
Right = new ElementOfTree();
Right.T(partOfString.Substring(divide + 1));
return;
}
if (multiply != -1)
{
Value = partOfString[multiply].ToString();
Type = NodeType.Multiply;
Left = new ElementOfTree();
Left.T(partOfString.Substring(0, multiply));
Right = new ElementOfTree();
Right.T(partOfString.Substring(multiply + 1));
return;
}
if (degree != -1)
{
Value = partOfString[degree].ToString();
Type = NodeType.Degree;
Left = new ElementOfTree();
Left.T(partOfString.Substring(0, degree));
Right = new ElementOfTree();
Right.Z(partOfString.Substring(degree + 1));
return;
}
M(partOfString);
}
catch (ExpressionException e)
{
e.Node = GetNormalNodeState(partOfString);
throw;
}
}
