Beispiel #1
0
        private void AddNode(ShapeNode node, State <Shape, ShapeNode> state, string id)
        {
            Arc <Shape, ShapeNode> arc = state.Arcs.FirstOrDefault(a => node.Annotation.FeatureStruct.ValueEquals(a.Input.FeatureStruct));
            ShapeNode nextNode         = node.GetNext(n => _filter(n.Annotation));
            State <Shape, ShapeNode> nextState;

            if (arc != null)
            {
                nextState = arc.Target;
                if (nextNode == node.List.End)
                {
                    nextState.IsAccepting = true;
                    nextState.AcceptInfos.Add(new AcceptInfo <Shape, ShapeNode>(id, (shape, match) => true, _shapeCount));
                }
            }
            else
            {
                nextState = nextNode == node.List.End ? _fsa.CreateAcceptingState(id, (shape, match) => true, _shapeCount) : _fsa.CreateState();
                FeatureStruct condition = node.Annotation.FeatureStruct.Clone();
                condition.Freeze();
                state.Arcs.Add(condition, nextState);
            }

            if (nextNode != node.List.End)
            {
                AddNode(nextNode, nextState, id);
            }
        }
Beispiel #2
0
 private void SyllabifyAnnotation(Word word, Annotation <ShapeNode> ann, Shape newShape)
 {
     if (word.Shape.GetNodes(ann.Span).Any(n => n.Type() == CogFeatureSystem.ToneLetterType || n.StrRep() == "."))
     {
         ShapeNode[] annNodes = word.Shape.GetNodes(ann.Span).ToArray();
         int         i;
         for (i = 0; i < annNodes.Length && annNodes[i].Type().IsOneOf(CogFeatureSystem.ToneLetterType, CogFeatureSystem.BoundaryType); i++)
         {
             newShape.Add(annNodes[i].DeepClone());
         }
         ShapeNode syllableStart = annNodes[i];
         ShapeNode node          = syllableStart.GetNext(n => n.Type().IsOneOf(CogFeatureSystem.ToneLetterType, CogFeatureSystem.BoundaryType));
         while (ann.Span.Contains(node))
         {
             if (syllableStart != node)
             {
                 ProcessSyllable(syllableStart, node.Prev, newShape);
             }
             newShape.Add(node.DeepClone());
             syllableStart = node.Next;
             node          = node.GetNext(n => n.Type().IsOneOf(CogFeatureSystem.ToneLetterType, CogFeatureSystem.BoundaryType));
         }
         if (ann.Span.Contains(syllableStart))
         {
             ProcessSyllable(syllableStart, ann.Span.End, newShape);
         }
     }
     else
     {
         SyllabifyUnmarkedAnnotation(word, ann, newShape);
     }
 }
Beispiel #3
0
        public static bool TryGetMatchingSoundClass(this IEnumerable <SoundClass> soundClasses, SegmentPool segmentPool, ShapeNode node, out SoundClass soundClass)
        {
            Annotation <ShapeNode> stemAnn = ((Shape)node.List).Annotations.First(ann => ann.Type() == CogFeatureSystem.StemType);
            ShapeNode left = null;

            if (stemAnn.Range.Contains(node) || node.Annotation.CompareTo(stemAnn) > 0)
            {
                ShapeNode leftNode = node.GetPrev(NodeFilter);
                if (leftNode != null)
                {
                    left = stemAnn.Range.Contains(leftNode) ? leftNode : node.List.Begin;
                }
            }

            Ngram <Segment> target = stemAnn.Range.Contains(node) ? segmentPool.Get(node) : Segment.Anchor;

            ShapeNode right = null;

            if (stemAnn.Range.Contains(node) || node.Annotation.CompareTo(stemAnn) < 0)
            {
                ShapeNode rightNode = node.GetNext(NodeFilter);
                if (rightNode != null)
                {
                    right = stemAnn.Range.Contains(rightNode) ? rightNode : node.List.End;
                }
            }

            soundClass = soundClasses.FirstOrDefault(sc => sc.Matches(left, target, right));
            return(soundClass != null);
        }
        private void AddNode(ShapeNode node, State<Shape, ShapeNode> state, string id)
        {
            Arc<Shape, ShapeNode> arc = state.Arcs.FirstOrDefault(a => node.Annotation.FeatureStruct.ValueEquals(a.Input.FeatureStruct));
            ShapeNode nextNode = node.GetNext(n => _filter(n.Annotation));
            State<Shape, ShapeNode> nextState;
            if (arc != null)
            {
                nextState = arc.Target;
                if (nextNode == node.List.End)
                {
                    nextState.IsAccepting = true;
                    nextState.AcceptInfos.Add(new AcceptInfo<Shape, ShapeNode>(id, (shape, match) => true, _shapeCount));
                }
            }
            else
            {
                nextState = nextNode == node.List.End ? _fsa.CreateAcceptingState(id, (shape, match) => true, _shapeCount) : _fsa.CreateState();
                FeatureStruct condition = node.Annotation.FeatureStruct.DeepClone();
                condition.Freeze();
                state.Arcs.Add(condition, nextState);
            }

            if (nextNode != node.List.End)
                AddNode(nextNode, nextState, id);
        }
Beispiel #5
0
        private static Match <ComplexConcParagraphData, ShapeNode> GetNextMatch(Match <ComplexConcParagraphData, ShapeNode> match)
        {
            ShapeNode nextNode = match.Span.GetEnd(match.Matcher.Direction);

            if (((FeatureSymbol)nextNode.Annotation.FeatureStruct.GetValue <SymbolicFeatureValue>("type")).ID != "bdry")
            {
                nextNode = nextNode.GetNext(match.Matcher.Direction);
            }
            return(match.Matcher.Match(match.Input, nextNode));
        }
Beispiel #6
0
        public static SoundContext ToSoundContext(this ShapeNode node, SegmentPool segmentPool, IEnumerable <SoundClass> soundClasses)
        {
            ShapeNode  prevNode = node.GetPrev(NodeFilter);
            SoundClass leftEnv;

            if (!soundClasses.TryGetMatchingSoundClass(segmentPool, prevNode, out leftEnv))
            {
                leftEnv = null;
            }
            ShapeNode  nextNode = node.GetNext(NodeFilter);
            SoundClass rightEnv;

            if (!soundClasses.TryGetMatchingSoundClass(segmentPool, nextNode, out rightEnv))
            {
                rightEnv = null;
            }
            return(new SoundContext(leftEnv, segmentPool.Get(node), rightEnv));
        }
Beispiel #7
0
        public static bool TryGetMatchingSoundClass(this IEnumerable<SoundClass> soundClasses, SegmentPool segmentPool, ShapeNode node, out SoundClass soundClass)
        {
            Annotation<ShapeNode> stemAnn = ((Shape) node.List).Annotations.First(ann => ann.Type() == CogFeatureSystem.StemType);
            ShapeNode left = null;
            if (stemAnn.Span.Contains(node) || node.Annotation.CompareTo(stemAnn) > 0)
            {
                ShapeNode leftNode = node.GetPrev(NodeFilter);
                if (leftNode != null)
                    left = stemAnn.Span.Contains(leftNode) ? leftNode : node.List.Begin;
            }

            Ngram<Segment> target = stemAnn.Span.Contains(node) ? segmentPool.Get(node) : Segment.Anchor;

            ShapeNode right = null;
            if (stemAnn.Span.Contains(node) || node.Annotation.CompareTo(stemAnn) < 0)
            {
                ShapeNode rightNode = node.GetNext(NodeFilter);
                if (rightNode != null)
                    right = stemAnn.Span.Contains(rightNode) ? rightNode : node.List.End;
            }

            soundClass = soundClasses.FirstOrDefault(sc => sc.Matches(left, target, right));
            return soundClass != null;
        }