public State(string lhs, RHS rhs, int i, int j)
{
this.lhs = lhs;
this.rhs = rhs;
this.i = i;
this.j = j;
}
public bool parseSentence(string[] s)
{
sentence = s;
charts = new Chart[sentence.Length + 1];
for (int i = 0; i < charts.Length; i++)
{
charts[i] = new Chart();
}
string[] start1 = { "@", "S" };
RHS startRHS = new RHS(start1);
State start = new State("$", startRHS, 0, 0);
charts[0].addState(start);
for (int i = 0; i < charts.Length; i++)
{
for (int j = 0; j < charts[i].size(); j++)
{
State st = charts[i].getState(j);
string next_term = st.getAfterDot();
if (st.isDotLast())
{
completer(st);
}
else if (grammar.isPartOfSpeech(next_term))
{
scanner(st);
}
else
{
predictor(st);
}
}
}
string[] fin = { "S", "@" };
RHS finRHS = new RHS(fin);
State finish = new State("$", finRHS, 0, sentence.Length);
for (int j = 0; j < charts[sentence.Length].size(); j++)
{
State state = charts[sentence.Length].getState(j);
if (state.Equals(finish))
{
return(true);
}
}
return(false);
}
public override bool Equals(object obj)
{
if (obj == null)
{
return(this == null);
}
RHS rhs = (RHS)obj;
if (terms.Length != rhs.terms.Length)
{
return(false);
}
for (int i = 0; i < terms.Length; i++)
{
if (terms[i].CompareTo(rhs.terms[i]) != 0)
{
return(false);
}
}
return(dot == rhs.dot);
}
