1 /* 2 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 /* 26 * Copyright (C) 2004-2011 27 * 28 * Permission is hereby granted, free of charge, to any person obtaining a copy 29 * of this software and associated documentation files (the "Software"), to deal 30 * in the Software without restriction, including without limitation the rights 31 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 32 * copies of the Software, and to permit persons to whom the Software is 33 * furnished to do so, subject to the following conditions: 34 * 35 * The above copyright notice and this permission notice shall be included in 36 * all copies or substantial portions of the Software. 37 * 38 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 39 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 40 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 41 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 42 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 43 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 44 * THE SOFTWARE. 45 */ 46 package com.sun.xml.internal.rngom.binary; 47 48 import com.sun.xml.internal.rngom.binary.visitor.PatternFunction; 49 import com.sun.xml.internal.rngom.binary.visitor.PatternVisitor; 50 import com.sun.xml.internal.rngom.nc.NameClass; 51 import com.sun.xml.internal.rngom.nc.SimpleNameClass; 52 import org.xml.sax.Locator; 53 import org.xml.sax.SAXException; 54 55 public final class AttributePattern extends Pattern { 56 private NameClass nameClass; 57 private Pattern p; 58 private Locator loc; 59 60 AttributePattern(NameClass nameClass, Pattern value, Locator loc) { 61 super(false, 62 EMPTY_CONTENT_TYPE, 63 combineHashCode(ATTRIBUTE_HASH_CODE, 64 nameClass.hashCode(), 65 value.hashCode())); 66 this.nameClass = nameClass; 67 this.p = value; 68 this.loc = loc; 69 } 70 71 Pattern expand(SchemaPatternBuilder b) { 72 Pattern ep = p.expand(b); 73 if (ep != p) 74 return b.makeAttribute(nameClass, ep, loc); 75 else 76 return this; 77 } 78 79 void checkRestrictions(int context, DuplicateAttributeDetector dad, Alphabet alpha) 80 throws RestrictionViolationException { 81 switch (context) { 82 case START_CONTEXT: 83 throw new RestrictionViolationException("start_contains_attribute"); 84 case ELEMENT_CONTEXT: 85 if (nameClass.isOpen()) 86 throw new RestrictionViolationException("open_name_class_not_repeated"); 87 break; 88 case ELEMENT_REPEAT_GROUP_CONTEXT: 89 throw new RestrictionViolationException("one_or_more_contains_group_contains_attribute"); 90 case ELEMENT_REPEAT_INTERLEAVE_CONTEXT: 91 throw new RestrictionViolationException("one_or_more_contains_interleave_contains_attribute"); 92 case LIST_CONTEXT: 93 throw new RestrictionViolationException("list_contains_attribute"); 94 case ATTRIBUTE_CONTEXT: 95 throw new RestrictionViolationException("attribute_contains_attribute"); 96 case DATA_EXCEPT_CONTEXT: 97 throw new RestrictionViolationException("data_except_contains_attribute"); 98 } 99 if (!dad.addAttribute(nameClass)) { 100 if (nameClass instanceof SimpleNameClass) 101 throw new RestrictionViolationException("duplicate_attribute_detail", ((SimpleNameClass)nameClass).name); 102 else 103 throw new RestrictionViolationException("duplicate_attribute"); 104 } 105 try { 106 p.checkRestrictions(ATTRIBUTE_CONTEXT, null, null); 107 } 108 catch (RestrictionViolationException e) { 109 e.maybeSetLocator(loc); 110 throw e; 111 } 112 } 113 114 boolean samePattern(Pattern other) { 115 if (!(other instanceof AttributePattern)) 116 return false; 117 AttributePattern ap = (AttributePattern)other; 118 return nameClass.equals(ap.nameClass)&& p == ap.p; 119 } 120 121 void checkRecursion(int depth) throws SAXException { 122 p.checkRecursion(depth); 123 } 124 125 public void accept(PatternVisitor visitor) { 126 visitor.visitAttribute(nameClass, p); 127 } 128 129 public Object apply(PatternFunction f) { 130 return f.caseAttribute(this); 131 } 132 133 public Pattern getContent() { 134 return p; 135 } 136 137 public NameClass getNameClass() { 138 return nameClass; 139 } 140 141 public Locator getLocator() { 142 return loc; 143 } 144 }