private static void CharacterCheck(char ch, out Pharenteses paranteza)
{
paranteza = Pharenteses.D;
if (ch == (char)Pharenteses.A1)
{
paranteza = Pharenteses.A1;
}
if (ch == (char)Pharenteses.A2)
{
paranteza = Pharenteses.A2;
}
if (ch == (char)Pharenteses.B1)
{
paranteza = Pharenteses.B1;
}
if (ch == (char)Pharenteses.B2)
{
paranteza = Pharenteses.B2;
}
if (ch == (char)Pharenteses.C1)
{
paranteza = Pharenteses.C1;
}
if (ch == (char)Pharenteses.C2)
{
paranteza = Pharenteses.C2;
}
}
private static void ParantezeOpenCheck(Pharenteses paranteze, ref Dictionary <string, int> counter, ref Dictionary <string, bool> validator)
{
if (paranteze.Equals(Pharenteses.A1))
{
validator["A"] = true;
validator["B"] = false;
validator["C"] = false; counter["A"]++;
}
if (paranteze.Equals(Pharenteses.B1))
{
validator["B"] = true;
validator["A"] = false;
validator["C"] = false; counter["B"]++;
}
if (paranteze.Equals(Pharenteses.C1))
{
validator["C"] = true;
validator["B"] = false;
validator["A"] = false; counter["C"]++;
}
}
private static bool ParantezeCloseCheck(Pharenteses paranteze, ref Dictionary <string, int> counter, ref Dictionary <string, bool> validator)
{
bool v = true;
if (paranteze.Equals(Pharenteses.A2))
{
v = Anulator("A", ref counter, ref validator);
counter["A"]--;
validator["A"] = false;
}
if (paranteze.Equals(Pharenteses.B2))
{
v = Anulator("B", ref counter, ref validator);
counter["B"]--;
validator["B"] = false;
}
if (paranteze.Equals(Pharenteses.C2))
{
v = Anulator("C", ref counter, ref validator);
counter["C"]--;
validator["C"] = false;
}
return(v);
}
private static bool IsValid(string s)
{
bool noText = string.IsNullOrEmpty(s);
if (noText == true)
{
return(true);
}
;
char[] text = s.ToCharArray();
bool ExitValidator = false;
Pharenteses paranteza = Pharenteses.D;
Dictionary <string, int> counters = new Dictionary <string, int>();
counters.Add("A", 0);
counters.Add("B", 0);
counters.Add("C", 0);
Dictionary <string, bool> validators = new Dictionary <string, bool>();
validators.Add("A", false);
validators.Add("B", false);
validators.Add("C", false);
int[] last = new int[text.Length];
//int j = 0;
for (int i = 0; i < last.Length; i++)
{
last[i] = 1;
}
for (int i = 0; i < text.Length; i++)
{
char character = text[i];
//foreach (var character in text)
//{
CharacterCheck(character, out paranteza);
// for different characters- no pharenteses
if (paranteza.Equals(Pharenteses.D))
{
continue;
}
if (paranteza.Equals(Pharenteses.A1) || paranteza.Equals(Pharenteses.B1) || paranteza.Equals(Pharenteses.C1))
{
ParantezeOpenCheck(paranteza, ref counters, ref validators);
}
else
{
for (int x = i - 1; x >= 0; x--)
{
if (last[x] == 1)
{
Pharenteses lastP;
CharacterCheck(text[x], out lastP);
string letter1 = lastP.ToString();
validators[letter1[0].ToString()] = true;
break;
}
}
ExitValidator = ParantezeCloseCheck(paranteza, ref counters, ref validators);
if (ExitValidator == false)
{
return(ExitValidator);
}
last[i] = 0;
for (int x = i - 1; x >= 0; x--)
{
if (last[x] == 1)
{
last[x] = 0;
break;
}
}
}
}
for (int i = 0; i < last.Length; i++)
{
if (last[i] == 1)
{
ExitValidator = false;
break;
}
}
return(ExitValidator);
}
