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 package com.sun.xml.internal.rngom.binary; 27 28 import com.sun.xml.internal.rngom.binary.visitor.PatternFunction; 29 import com.sun.xml.internal.rngom.binary.visitor.PatternVisitor; 30 import org.xml.sax.SAXException; 31 32 public class OneOrMorePattern extends Pattern { 33 Pattern p; 34 35 OneOrMorePattern(Pattern p) { 36 super(p.isNullable(), 37 p.getContentType(), 38 combineHashCode(ONE_OR_MORE_HASH_CODE, p.hashCode())); 39 this.p = p; 40 } 41 42 Pattern expand(SchemaPatternBuilder b) { 43 Pattern ep = p.expand(b); 44 if (ep != p) 45 return b.makeOneOrMore(ep); 46 else 47 return this; 48 } 49 50 void checkRecursion(int depth) throws SAXException { 51 p.checkRecursion(depth); 52 } 53 54 void checkRestrictions(int context, DuplicateAttributeDetector dad, Alphabet alpha) 55 throws RestrictionViolationException { 56 switch (context) { 57 case START_CONTEXT: 58 throw new RestrictionViolationException("start_contains_one_or_more"); 59 case DATA_EXCEPT_CONTEXT: 60 throw new RestrictionViolationException("data_except_contains_one_or_more"); 61 } 62 63 p.checkRestrictions(context == ELEMENT_CONTEXT 64 ? ELEMENT_REPEAT_CONTEXT 65 : context, 66 dad, 67 alpha); 68 if (context != LIST_CONTEXT 69 && !contentTypeGroupable(p.getContentType(), p.getContentType())) 70 throw new RestrictionViolationException("one_or_more_string"); 71 } 72 73 boolean samePattern(Pattern other) { 74 return (other instanceof OneOrMorePattern 75 && p == ((OneOrMorePattern)other).p); 76 } 77 78 public void accept(PatternVisitor visitor) { 79 visitor.visitOneOrMore(p); 80 } 81 82 public Object apply(PatternFunction f) { 83 return f.caseOneOrMore(this); 84 } 85 86 Pattern getOperand() { 87 return p; 88 } 89 }