Thu, 31 Aug 2017 15:18:52 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | /* |
aoqi@0 | 26 | * Copyright (C) 2004-2011 |
aoqi@0 | 27 | * |
aoqi@0 | 28 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
aoqi@0 | 29 | * of this software and associated documentation files (the "Software"), to deal |
aoqi@0 | 30 | * in the Software without restriction, including without limitation the rights |
aoqi@0 | 31 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
aoqi@0 | 32 | * copies of the Software, and to permit persons to whom the Software is |
aoqi@0 | 33 | * furnished to do so, subject to the following conditions: |
aoqi@0 | 34 | * |
aoqi@0 | 35 | * The above copyright notice and this permission notice shall be included in |
aoqi@0 | 36 | * all copies or substantial portions of the Software. |
aoqi@0 | 37 | * |
aoqi@0 | 38 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
aoqi@0 | 39 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
aoqi@0 | 40 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
aoqi@0 | 41 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
aoqi@0 | 42 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
aoqi@0 | 43 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
aoqi@0 | 44 | * THE SOFTWARE. |
aoqi@0 | 45 | */ |
aoqi@0 | 46 | package com.sun.xml.internal.rngom.nc; |
aoqi@0 | 47 | |
aoqi@0 | 48 | import com.sun.xml.internal.rngom.ast.om.ParsedNameClass; |
aoqi@0 | 49 | |
aoqi@0 | 50 | import javax.xml.namespace.QName; |
aoqi@0 | 51 | import java.io.Serializable; |
aoqi@0 | 52 | import java.util.HashSet; |
aoqi@0 | 53 | import java.util.Set; |
aoqi@0 | 54 | |
aoqi@0 | 55 | /** |
aoqi@0 | 56 | * Name class is a set of {@link QName}s. |
aoqi@0 | 57 | */ |
aoqi@0 | 58 | public abstract class NameClass implements ParsedNameClass, Serializable { |
aoqi@0 | 59 | static final int SPECIFICITY_NONE = -1; |
aoqi@0 | 60 | static final int SPECIFICITY_ANY_NAME = 0; |
aoqi@0 | 61 | static final int SPECIFICITY_NS_NAME = 1; |
aoqi@0 | 62 | static final int SPECIFICITY_NAME = 2; |
aoqi@0 | 63 | |
aoqi@0 | 64 | /** |
aoqi@0 | 65 | * Returns true if the given {@link QName} is a valid name |
aoqi@0 | 66 | * for this QName. |
aoqi@0 | 67 | */ |
aoqi@0 | 68 | public abstract boolean contains(QName name); |
aoqi@0 | 69 | |
aoqi@0 | 70 | public abstract int containsSpecificity(QName name); |
aoqi@0 | 71 | |
aoqi@0 | 72 | /** |
aoqi@0 | 73 | * Visitor pattern support. |
aoqi@0 | 74 | */ |
aoqi@0 | 75 | public abstract <V> V accept(NameClassVisitor<V> visitor); |
aoqi@0 | 76 | |
aoqi@0 | 77 | /** |
aoqi@0 | 78 | * Returns true if the name class accepts infinite number of |
aoqi@0 | 79 | * {@link QName}s. |
aoqi@0 | 80 | * |
aoqi@0 | 81 | * <p> |
aoqi@0 | 82 | * Intuitively, this method returns true if the name class is |
aoqi@0 | 83 | * some sort of wildcard. |
aoqi@0 | 84 | */ |
aoqi@0 | 85 | public abstract boolean isOpen(); |
aoqi@0 | 86 | |
aoqi@0 | 87 | /** |
aoqi@0 | 88 | * If the name class is closed (IOW !{@link #isOpen()}), |
aoqi@0 | 89 | * return the set of names in this name class. Otherwise the behavior |
aoqi@0 | 90 | * is undefined. |
aoqi@0 | 91 | */ |
aoqi@0 | 92 | public Set<QName> listNames() { |
aoqi@0 | 93 | final Set<QName> names = new HashSet<QName>(); |
aoqi@0 | 94 | accept(new NameClassWalker() { |
aoqi@0 | 95 | @Override |
aoqi@0 | 96 | public Void visitName(QName name) { |
aoqi@0 | 97 | names.add(name); |
aoqi@0 | 98 | return null; |
aoqi@0 | 99 | } |
aoqi@0 | 100 | }); |
aoqi@0 | 101 | return names; |
aoqi@0 | 102 | } |
aoqi@0 | 103 | |
aoqi@0 | 104 | /** |
aoqi@0 | 105 | * Returns true if the intersection between this name class |
aoqi@0 | 106 | * and the specified name class is non-empty. |
aoqi@0 | 107 | */ |
aoqi@0 | 108 | public final boolean hasOverlapWith( NameClass nc2 ) { |
aoqi@0 | 109 | return OverlapDetector.overlap(this,nc2); |
aoqi@0 | 110 | } |
aoqi@0 | 111 | |
aoqi@0 | 112 | |
aoqi@0 | 113 | /** Sigleton instance that represents "anyName". */ |
aoqi@0 | 114 | public static final NameClass ANY = new AnyNameClass(); |
aoqi@0 | 115 | |
aoqi@0 | 116 | /** |
aoqi@0 | 117 | * Sigleton instance that accepts no name. |
aoqi@0 | 118 | * |
aoqi@0 | 119 | * <p> |
aoqi@0 | 120 | * This instance is useful when doing boolean arithmetic over |
aoqi@0 | 121 | * name classes (such as computing an inverse of a given name class, etc), |
aoqi@0 | 122 | * even though it can never appear in a RELAX NG surface syntax. |
aoqi@0 | 123 | * |
aoqi@0 | 124 | * <p> |
aoqi@0 | 125 | * Internally, this instance is also used for: |
aoqi@0 | 126 | * <ol> |
aoqi@0 | 127 | * <li>Used to recover from errors during parsing. |
aoqi@0 | 128 | * <li>Mark element patterns with <notAllowed/> content model. |
aoqi@0 | 129 | * </ol> |
aoqi@0 | 130 | */ |
aoqi@0 | 131 | public static final NameClass NULL = new NullNameClass(); |
aoqi@0 | 132 | } |