internal TregexMatcher(Tree root, Tree tree, IdentityHashMap <Tree, Tree> nodesToParents, IDictionary <string, Tree> namesToNodes, VariableStrings variableStrings, IHeadFinder headFinder)
{
// these things are used by "find"
this.root = root;
this.tree = tree;
this.nodesToParents = nodesToParents;
this.namesToNodes = namesToNodes;
this.variableStrings = variableStrings;
this.headFinder = headFinder;
}
public DescriptionMatcher(DescriptionPattern n, Tree root, Tree tree, IdentityHashMap <Tree, Tree> nodesToParents, IDictionary <string, Tree> namesToNodes, VariableStrings variableStrings, IHeadFinder headFinder)
: base(root, tree, nodesToParents, namesToNodes, variableStrings, headFinder)
{
// TODO: Why is this a static class with a pointer to the containing
// class? There seems to be no reason for such a thing.
// cdm: agree: It seems like it should just be a non-static inner class. Try this and check it works....
// a DescriptionMatcher only has a single child; if it is the left
// side of multiple relations, a CoordinationMatcher is used.
// childMatcher is null until the first time a matcher needs to check the child
// myNode.child == null OR resetChild has never been called
// the Tree node that this DescriptionMatcher node is trying to match on.
// when finished = true, it means I have exhausted my potential tree node match candidates.
myNode = n;
}
internal override TregexMatcher Matcher(Tree root, Tree tree, IdentityHashMap <Tree, Tree> nodesToParents, IDictionary <string, Tree> namesToNodes, VariableStrings variableStrings, IHeadFinder headFinder)
{
return(new DescriptionPattern.DescriptionMatcher(this, root, tree, nodesToParents, namesToNodes, variableStrings, headFinder));
}
public CoordinationMatcher(CoordinationPattern n, Tree root, Tree tree, IdentityHashMap <Tree, Tree> nodesToParents, IDictionary <string, Tree> namesToNodes, VariableStrings variableStrings, IHeadFinder headFinder)
: base(root, tree, nodesToParents, namesToNodes, variableStrings, headFinder)
{
// do all con/dis-juncts have to be considered to determine a match?
// i.e. true if conj and not negated or disj and negated
myNode = n;
children = new TregexMatcher[myNode.children.Count];
// lazy initialize the children... don't set children[i] yet
//for (int i = 0; i < children.length; i++) {
// TregexPattern node = myNode.children.get(i);
// children[i] = node.matcher(root, tree, nodesToParents,
// namesToNodes, variableStrings);
//}
currChild = 0;
considerAll = myNode.isConj ^ myNode.IsNegated();
}