| /* |
| * Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| package com.sun.xml.internal.rngom.binary; |
| |
| import org.xml.sax.SAXException; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.ArrayList; |
| |
| public abstract class BinaryPattern extends Pattern { |
| protected final Pattern p1; |
| protected final Pattern p2; |
| |
| BinaryPattern(boolean nullable, int hc, Pattern p1, Pattern p2) { |
| super(nullable, Math.max(p1.getContentType(), p2.getContentType()), hc); |
| this.p1 = p1; |
| this.p2 = p2; |
| } |
| |
| void checkRecursion(int depth) throws SAXException { |
| p1.checkRecursion(depth); |
| p2.checkRecursion(depth); |
| } |
| |
| void checkRestrictions(int context, DuplicateAttributeDetector dad, Alphabet alpha) |
| throws RestrictionViolationException { |
| p1.checkRestrictions(context, dad, alpha); |
| p2.checkRestrictions(context, dad, alpha); |
| } |
| |
| boolean samePattern(Pattern other) { |
| if (getClass() != other.getClass()) |
| return false; |
| BinaryPattern b = (BinaryPattern)other; |
| return p1 == b.p1 && p2 == b.p2; |
| } |
| |
| public final Pattern getOperand1() { |
| return p1; |
| } |
| |
| public final Pattern getOperand2() { |
| return p2; |
| } |
| |
| /** |
| * Adds all the children of this pattern to the given collection. |
| * |
| * <p> |
| * For example, if this pattern is (A|B|C), it adds A, B, and C |
| * to the collection, even though internally it's represented |
| * as (A|(B|C)). |
| */ |
| public final void fillChildren( Collection col ) { |
| fillChildren(getClass(),p1,col); |
| fillChildren(getClass(),p2,col); |
| } |
| |
| /** |
| * Same as {@link #fillChildren(Collection)} but returns an array. |
| */ |
| public final Pattern[] getChildren() { |
| List lst = new ArrayList(); |
| fillChildren(lst); |
| return (Pattern[]) lst.toArray(new Pattern[lst.size()]); |
| } |
| |
| private void fillChildren( Class c, Pattern p, Collection col ) { |
| if(p.getClass()==c) { |
| BinaryPattern bp = (BinaryPattern)p; |
| bp.fillChildren(c,bp.p1,col); |
| bp.fillChildren(c,bp.p2,col); |
| } else { |
| col.add(p); |
| } |
| } |
| } |