コード例 #1
0
ファイル: Trees.java プロジェクト: hercky/undergradCourses
 /** replaces all instances (by ==) of node with node1. Doesn't affect the node t itself */
 public static void replaceNode(Tree node, Tree node1, Tree t) {
   if (t.isLeaf()) return;
   Tree[] kids = t.children();
   List<Tree> newKids = new ArrayList<Tree>(kids.length);
   for (int i = 0, n = kids.length; i < n; i++) {
     if (kids[i] != node) {
       newKids.add(kids[i]);
       replaceNode(node, node1, kids[i]);
     } else {
       newKids.add(node1);
     }
   }
   t.setChildren(newKids);
 }
コード例 #2
0
 public static Tree untransformTree(Tree tree) {
   TreeFactory tf = tree.treeFactory();
   if (tree.isPrePreTerminal()) {
     if (tree.firstChild().label().value().matches(".*_.")) {
       StringBuilder word = new StringBuilder();
       for (int i = 0; i < tree.children().length; i++) {
         Tree child = tree.children()[i];
         word.append(child.firstChild().label().value());
       }
       Tree newChild = tf.newLeaf(word.toString());
       tree.setChildren(Collections.singletonList(newChild));
     }
   } else {
     for (int i = 0; i < tree.children().length; i++) {
       Tree child = tree.children()[i];
       untransformTree(child);
     }
   }
   return tree;
 }