public override bool Transform(Sentence sentence)
{
if (!sentence.phrases.Contains(this))
{
return(false);
}
bool success = false;
KeyValuePair <string, string> nks = NeighborKinds(sentence);
Phrase verbphr = FindConsituent <Verb>();
string verb = (verbphr == null ? "" : verbphr.Text);
if (nks.Key == "ADVP")
{
sentence.AbsorbPrevious(this);
success = true;
}
else if (nks.Value == "VBN")
{ // is considered
sentence.AbsorbNext(this);
success = true;
}
else if (nks.Value == "ADVP")
{
sentence.AbsorbNext(this);
success = true;
}
else if (nks.Value == "NP")
{
sentence.AbsorbNext(this);
success = true;
}
else if (nks.Value == "ADJP" && Verbs.IsToBe(verb))
{
sentence.AbsorbNext(this);
success = true;
}
else if (nks.Value == "PP")
{
sentence.AbsorbNext(this);
success = true;
}
else if (nks.Key == "TO")
{
List <Phrase> us = new List <Phrase>();
us.Add(sentence.PhraseBefore(this));
us.Add(this);
sentence.Combine(us, new PrepositionalPhrase());
success = true;
}
else if (nks.Key == "WHNP" || nks.Key == "WRB")
{
string trial = sentence.PhraseBefore(this).ToString() + ";" + ToString() + ";SBARQ";
if (!triedBefore.ContainsKey(trial))
{
List <Phrase> phrases = new List <Phrase>();
phrases.Add(sentence.PhraseBefore(this));
phrases.Add(this);
sentence.Combine(phrases, new SimpleQuestion());
triedBefore.Add(trial, true);
success = true;
}
}
else if (nks.Key == "NP" || nks.Key == "EX")
{
string trial = sentence.PhraseBefore(this).ToString() + ";" + ToString() + ";S";
if (!triedBefore.ContainsKey(trial))
{
List <Phrase> phrases = new List <Phrase>();
phrases.Add(sentence.PhraseBefore(this));
phrases.Add(this);
sentence.Combine(phrases, new SimpleDeclarativePhrase());
triedBefore.Add(trial, true);
success = true;
}
}
return(success);
}
public IParsedPhrase Handle(IEnumerable <KeyValuePair <string, string> > tokens)
{
Sentence sentence = new Sentence(tokens);
return(sentence.Parse());
}
public override bool Transform(Sentence sentence)
{
if (!sentence.phrases.Contains(this))
{
return(false);
}
bool success = false;
bool lastFound = true;
while (lastFound)
{
KeyValuePair <string, string> nks = NeighborKinds(sentence);
if (nks.Value == "." && constituents[constituents.Count - 1].Text.Length == 1)
{
sentence.AbsorbNext(this); // eat the period
}
else if (nks.Key == "" && nks.Value == "NP")
{
sentence.MergeNext(this);
}
else if (nks.Key == "NP" && nks.Value == "NP")
{
sentence.MergeNext(this);
}
else if (nks.Key == "NP" && (nks.Value == "" || nks.Value == "." || nks.Value == "!"))
{
sentence.MergePrevious(this);
}
else
{
lastFound = false;
}
if (lastFound == true)
{
success = true;
}
}
KeyValuePair <string, string> neighbors = NeighborKinds(sentence);
if (neighbors.Key == "DT" || neighbors.Key == "PRP$")
{
sentence.AbsorbPrevious(this);
neighbors = NeighborKinds(sentence);
success = true;
}
if (neighbors.Key == "ADJP")
{
List <Phrase> phrases = new List <Phrase>();
phrases.Add(sentence.PhraseBefore(this));
phrases.Add(this);
sentence.Combine(phrases, new NounPhrase());
neighbors = NeighborKinds(sentence);
success = true;
}
if (neighbors.Value == "PP")
{
Phrase after = sentence.PhraseAfter(this);
if (after.Constituents.Count > 1 && after.Constituents[0].Text.ToLower() == "of")
{
sentence.AbsorbNext(this);
return(true);
}
}
return(success);
}