SimpleNode.java

/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2001 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.corba.idl.src;

public class SimpleNode implements Node {
    protected Node parent;
    protected Node[] children;
    protected int id;
    protected IDLParser parser;

    public SimpleNode(int i) {
        id = i;
    }

    public SimpleNode(IDLParser p, int i) {
        this(i);
        parser = p;
    }

    public void jjtOpen() {
    }

    public void jjtClose() {
    }

    public void jjtSetParent(Node n) { parent = n; }
    public Node jjtGetParent() { return parent; }

    public void jjtAddChild(Node n, int i) {
        if (children == null) {
            children = new Node[i + 1];
        } else if (i >= children.length) {
            Node c[] = new Node[i + 1];
            System.arraycopy(children, 0, c, 0, children.length);
            children = c;
        }
        children[i] = n;
    }

    public Node jjtGetChild(int i) {
        return children[i];
    }

    public int jjtGetNumChildren() {
        return (children == null) ? 0 : children.length;
    }

    /* You can override these two methods in subclasses of SimpleNode to
       customize the way the node appears when the tree is dumped.  If
       your output uses more than one line you should override
       toString(String), otherwise overriding toString() is probably all
       you need to do. */

    public String toString() { return IDLParserTreeConstants.jjtNodeName[id]; }
    public String toString(String prefix) { return prefix + toString(); }

    /* Override this method if you want to customize how the node dumps
       out its children. */

    public void dump(String prefix) {
        System.out.println(toString(prefix));
        if (children != null) {
            for (int i = 0; i < children.length; ++i) {
                SimpleNode n = (SimpleNode)children[i];
                if (n != null) {
                    n.dump(prefix + " ");
                }
            }
        }
    }
}