public Tree(string s)
{
s = Regex.Replace(s, "[s][i][n]", "[", RegexOptions.IgnoreCase);
s = Regex.Replace(s, "[c][o][s]", "]", RegexOptions.IgnoreCase);
s = Regex.Replace(s, "[t][a][n]", "!", RegexOptions.IgnoreCase);
s = Regex.Replace(s, "[l][n]", "?", RegexOptions.IgnoreCase);
s = Regex.Replace(s, "[e][x][p]", "#", RegexOptions.IgnoreCase);
s = Regex.Replace(s, "[s][q][r][t]", "%", RegexOptions.IgnoreCase);
Head = new ElementOfTree();
Head.S(s);
}
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 F(string partOfString)
{
if (String.IsNullOrWhiteSpace(partOfString))
{
throw new EmptyMemberException();
}
try
{
switch (partOfString[0])
{
case '[': Value = "["; Type = NodeType.Sin; Left = new ElementOfTree(); Left.S(partOfString.Substring(2, partOfString.Length - 3)); return;
case ']': Value = "]"; Type = NodeType.Cos; Left = new ElementOfTree(); Left.S(partOfString.Substring(2, partOfString.Length - 3)); return;
case '!': Value = "!"; Type = NodeType.Tan; Left = new ElementOfTree(); Left.S(partOfString.Substring(2, partOfString.Length - 3)); return;
case '?': Value = "?"; Type = NodeType.Ln; Left = new ElementOfTree(); Left.S(partOfString.Substring(2, partOfString.Length - 3)); return;
case '#': Value = "#"; Type = NodeType.Exp; Left = new ElementOfTree(); Left.S(partOfString.Substring(2, partOfString.Length - 3)); return;
case '%': Value = "%"; Type = NodeType.Sqrt; Left = new ElementOfTree(); Left.S(partOfString.Substring(2, partOfString.Length - 3)); return;
default: throw new IncorrectFunctionDefinitionException();
}
}
catch (ArgumentOutOfRangeException e)
{
throw new BracketsMissingException();
}
}
