122 lines
4.2 KiB
Java
122 lines
4.2 KiB
Java
/*
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* Copyright (c) 2005, 2010, 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.binary;
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import org.xml.sax.SAXException;
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import java.util.Collection;
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import java.util.List;
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import java.util.ArrayList;
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public abstract class BinaryPattern extends Pattern {
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protected final Pattern p1;
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protected final Pattern p2;
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BinaryPattern(boolean nullable, int hc, Pattern p1, Pattern p2) {
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super(nullable, Math.max(p1.getContentType(), p2.getContentType()), hc);
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this.p1 = p1;
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this.p2 = p2;
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}
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void checkRecursion(int depth) throws SAXException {
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p1.checkRecursion(depth);
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p2.checkRecursion(depth);
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}
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void checkRestrictions(int context, DuplicateAttributeDetector dad, Alphabet alpha)
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throws RestrictionViolationException {
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p1.checkRestrictions(context, dad, alpha);
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p2.checkRestrictions(context, dad, alpha);
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}
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boolean samePattern(Pattern other) {
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if (getClass() != other.getClass())
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return false;
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BinaryPattern b = (BinaryPattern)other;
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return p1 == b.p1 && p2 == b.p2;
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}
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public final Pattern getOperand1() {
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return p1;
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}
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public final Pattern getOperand2() {
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return p2;
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}
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/**
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* Adds all the children of this pattern to the given collection.
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*
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* <p>
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* For example, if this pattern is (A|B|C), it adds A, B, and C
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* to the collection, even though internally it's represented
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* as (A|(B|C)).
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*/
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public final void fillChildren( Collection col ) {
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fillChildren(getClass(),p1,col);
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fillChildren(getClass(),p2,col);
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}
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/**
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* Same as {@link #fillChildren(Collection)} but returns an array.
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*/
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public final Pattern[] getChildren() {
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List lst = new ArrayList();
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fillChildren(lst);
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return (Pattern[]) lst.toArray(new Pattern[lst.size()]);
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}
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private void fillChildren( Class c, Pattern p, Collection col ) {
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if(p.getClass()==c) {
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BinaryPattern bp = (BinaryPattern)p;
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bp.fillChildren(c,bp.p1,col);
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bp.fillChildren(c,bp.p2,col);
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} else {
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col.add(p);
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}
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}
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}
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