| /******************************************************************************* |
| * Copyright (c) 1998, 2008 IBM Corporation and Others |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Goh KONDOH - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.actf.model.internal.dom.sgml.modelgroup; |
| |
| import org.eclipse.actf.model.dom.html.ParseException; |
| import org.eclipse.actf.model.internal.dom.sgml.ISGMLParser; |
| import org.eclipse.actf.model.internal.dom.sgml.impl.ElementDefinition; |
| import org.w3c.dom.Node; |
| |
| |
| public class OrModelGroup extends CompositeModelGroup { |
| public OrModelGroup(IModelGroup modelGroup) { |
| super(modelGroup); |
| if (modelGroup instanceof OrModelGroup) { |
| OrModelGroup orMG = (OrModelGroup) modelGroup; |
| this.childLength = orMG.childLength; |
| for (int i = 0; i < this.childLength; i++) { |
| this.children[i] = orMG.children[i]; |
| } |
| } |
| } |
| |
| /** |
| * (a | b | (c | d)) == (a | b | c | d) |
| */ |
| public void add(IModelGroup modelGroup) { |
| if (modelGroup instanceof OrModelGroup) { |
| OrModelGroup orModelGroup = (OrModelGroup) modelGroup; |
| for (int i = 0; i < orModelGroup.childLength; i++) { |
| children[childLength++] = orModelGroup.children[i]; |
| } |
| } else { |
| children[childLength++] = modelGroup; |
| } |
| } |
| |
| public ElementDefinition[] getChildren() throws ParseException { |
| ElementDefinition ret[] = new ElementDefinition[childLength]; |
| for (int i = 0; i < childLength; i++) { |
| ret[i] = (ElementDefinition) children[i]; |
| } |
| return ret; |
| } |
| |
| // for debug. |
| public String toString() { |
| String ret = new String("("); |
| for (int i = 0; i < childLength - 1; i++) { |
| ret = ret + children[i] + '|'; |
| } |
| ret = ret + children[childLength - 1] + ')'; |
| return ret; |
| } |
| |
| public boolean match(ISGMLParser parser, Node parent, Node child) { |
| for (int i = 0; i < childLength; i++) { |
| if (children[i].match(parser, parent, child)) { |
| // System.out.println("or: match"); |
| return true; |
| } |
| } |
| // System.out.println("or: out"); |
| return false; |
| } |
| |
| public boolean optional() { |
| for (int i = childLength - 1; i >= 0; i--) { |
| if (children[i].optional()) |
| return true; |
| } |
| return false; |
| } |
| } |