public virtual bool Parse <_T0>(IList <_T0> sentence)
where _T0 : IHasWord
{
this.originalSentence = sentence;
initialState = ShiftReduceParser.InitialStateFromTaggedSentence(sentence);
return(ParseInternal());
}
public virtual void TestInitialStateFromTagged()
{
string[] words = new string[] { "This", "is", "a", "short", "test", "." };
string[] tags = new string[] { "DT", "VBZ", "DT", "JJ", "NN", "." };
NUnit.Framework.Assert.AreEqual(words.Length, tags.Length);
IList <TaggedWord> sentence = SentenceUtils.ToTaggedList(Arrays.AsList(words), Arrays.AsList(tags));
State state = ShiftReduceParser.InitialStateFromTaggedSentence(sentence);
for (int i = 0; i < words.Length; ++i)
{
NUnit.Framework.Assert.AreEqual(tags[i], state.sentence[i].Value());
NUnit.Framework.Assert.AreEqual(1, state.sentence[i].Children().Length);
NUnit.Framework.Assert.AreEqual(words[i], state.sentence[i].Children()[0].Value());
}
}
public virtual void TestTransition()
{
string[] words = new string[] { "This", "is", "a", "short", "test", "." };
string[] tags = new string[] { "DT", "VBZ", "DT", "JJ", "NN", "." };
NUnit.Framework.Assert.AreEqual(words.Length, tags.Length);
IList <TaggedWord> sentence = SentenceUtils.ToTaggedList(Arrays.AsList(words), Arrays.AsList(tags));
State state = ShiftReduceParser.InitialStateFromTaggedSentence(sentence);
ShiftTransition shift = new ShiftTransition();
for (int i = 0; i < 3; ++i)
{
state = shift.Apply(state);
}
NUnit.Framework.Assert.AreEqual(3, state.tokenPosition);
}
public virtual void TestBinarySide()
{
string[] words = new string[] { "This", "is", "a", "short", "test", "." };
string[] tags = new string[] { "DT", "VBZ", "DT", "JJ", "NN", "." };
NUnit.Framework.Assert.AreEqual(words.Length, tags.Length);
IList <TaggedWord> sentence = SentenceUtils.ToTaggedList(Arrays.AsList(words), Arrays.AsList(tags));
State state = ShiftReduceParser.InitialStateFromTaggedSentence(sentence);
ShiftTransition shift = new ShiftTransition();
state = shift.Apply(shift.Apply(state));
BinaryTransition transition = new BinaryTransition("NP", BinaryTransition.Side.Right);
State next = transition.Apply(state);
NUnit.Framework.Assert.AreEqual(BinaryTransition.Side.Right, ShiftReduceUtils.GetBinarySide(next.stack.Peek()));
transition = new BinaryTransition("NP", BinaryTransition.Side.Left);
next = transition.Apply(state);
NUnit.Framework.Assert.AreEqual(BinaryTransition.Side.Left, ShiftReduceUtils.GetBinarySide(next.stack.Peek()));
}