private static void EnterRules()
{
if (nonterminals == null || terminals == null)
{
Console.WriteLine("Please enter nonterminal and terminal symbols first.");
return;
}
if (alphabet == null)
{
alphabet = nonterminals.Concat(terminals).ToArray();
}
string message = "Enter number of production rules: ";
int rulesCount = AskForNumberInput(message, 1);
rules = new ProductionInfo[rulesCount];
for (int i = 0; i < rulesCount; i++)
{
message = string.Format("Enter original symbol of production rule number {0}: ", i + 1);
string original = AskForSymbolInput(message, nonterminals);
message = "Enter number of symbol in the sentence: ";
int symbolsCount = AskForNumberInput(message, 0);
string[] sentence = new string[symbolsCount];
for (int j = 0; j < symbolsCount; j++)
{
message = string.Format("Enter the symbol number {0}: ", j + 1);
sentence[j] = AskForSymbolInput(message, alphabet);
}
rules[i] = new ProductionInfo(original, sentence);
}
grammar = new ContextFreeGrammar(nonterminals, terminals, rules, starting);
normalForm = grammar.GetChomskyNormalForm();
}
private static void EnterRules()
{
if (nonterminals == null || terminals == null)
{
Console.WriteLine("Please enter nonterminal and terminal symbols first.");
return;
}
if (alphabet == null)
alphabet = nonterminals.Concat(terminals).ToArray();
string message = "Enter number of production rules: ";
int rulesCount = AskForNumberInput(message, 1);
rules = new ProductionInfo[rulesCount];
for (int i = 0; i < rulesCount; i++)
{
message = string.Format("Enter original symbol of production rule number {0}: ", i + 1);
string original = AskForSymbolInput(message, nonterminals);
message = "Enter number of symbol in the sentence: ";
int symbolsCount = AskForNumberInput(message, 0);
string[] sentence = new string[symbolsCount];
for (int j = 0; j < symbolsCount; j++)
{
message = string.Format("Enter the symbol number {0}: ", j + 1);
sentence[j] = AskForSymbolInput(message, alphabet);
}
rules[i] = new ProductionInfo(original, sentence);
}
grammar = new ContextFreeGrammar(nonterminals, terminals, rules, starting);
normalForm = grammar.GetChomskyNormalForm();
}
