author | mkos |
Sun, 30 Dec 2012 00:00:00 +0100 | |
changeset 22678 | ac1ea46be942 |
parent 12009 | 4abb694f273a |
permissions | -rw-r--r-- |
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/* |
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ac1ea46be942
8029237: Update copyright year to match last edit in jaxws repository for 2012
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parents:
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* Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* Copyright (C) 2004-2011 |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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package com.sun.xml.internal.rngom.digested; |
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import java.util.Iterator; |
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/** |
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* A pattern that can contain other patterns. |
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* |
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* @author Kohsuke Kawaguchi (kk@kohsuke.org) |
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*/ |
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public abstract class DContainerPattern extends DPattern implements Iterable<DPattern> { |
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private DPattern head; |
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private DPattern tail; |
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public DPattern firstChild() { |
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return head; |
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} |
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public DPattern lastChild() { |
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return tail; |
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} |
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public int countChildren() { |
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int i=0; |
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for( DPattern p=firstChild(); p!=null; p=p.next) |
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i++; |
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return i; |
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} |
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public Iterator<DPattern> iterator() { |
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return new Iterator<DPattern>() { |
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DPattern next = head; |
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public boolean hasNext() { |
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return next!=null; |
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} |
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public DPattern next() { |
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DPattern r = next; |
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next = next.next; |
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return r; |
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} |
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public void remove() { |
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throw new UnsupportedOperationException(); |
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} |
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}; |
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} |
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void add( DPattern child ) { |
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if(tail==null) { |
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child.prev = child.next = null; |
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head = tail = child; |
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} else { |
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child.prev = tail; |
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tail.next = child; |
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child.next = null; |
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tail = child; |
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} |
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} |
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} |