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 org.xml.sax.Locator; 51 import org.xml.sax.SAXException; 52 import org.xml.sax.SAXParseException; 53 54 public class RefPattern extends Pattern { 55 private Pattern p; 56 private Locator refLoc; 57 private String name; 58 private int checkRecursionDepth = -1; 59 private boolean combineImplicit = false; 60 private byte combineType = COMBINE_NONE; 61 private byte replacementStatus = REPLACEMENT_KEEP; 62 private boolean expanded = false; 63 64 static final byte REPLACEMENT_KEEP = 0; 65 static final byte REPLACEMENT_REQUIRE = 1; 66 static final byte REPLACEMENT_IGNORE = 2; 67 68 static final byte COMBINE_NONE = 0; 69 static final byte COMBINE_CHOICE = 1; 70 static final byte COMBINE_INTERLEAVE = 2; 71 RefPattern(String name)72 RefPattern(String name) { 73 this.name = name; 74 } 75 getPattern()76 Pattern getPattern() { 77 return p; 78 } 79 setPattern(Pattern p)80 void setPattern(Pattern p) { 81 this.p = p; 82 } 83 getRefLocator()84 Locator getRefLocator() { 85 return refLoc; 86 } 87 setRefLocator(Locator loc)88 void setRefLocator(Locator loc) { 89 this.refLoc = loc; 90 } 91 92 @Override checkRecursion(int depth)93 void checkRecursion(int depth) throws SAXException { 94 if (checkRecursionDepth == -1) { 95 checkRecursionDepth = depth; 96 p.checkRecursion(depth); 97 checkRecursionDepth = -2; 98 } 99 else if (depth == checkRecursionDepth) 100 // XXX try to recover from this? 101 throw new SAXParseException(SchemaBuilderImpl.localizer.message("recursive_reference", name), 102 refLoc); 103 } 104 105 @Override expand(SchemaPatternBuilder b)106 Pattern expand(SchemaPatternBuilder b) { 107 if (!expanded) { 108 p = p.expand(b); 109 expanded = true; 110 } 111 return p; 112 } 113 samePattern(Pattern other)114 boolean samePattern(Pattern other) { 115 return false; 116 } 117 accept(PatternVisitor visitor)118 public void accept(PatternVisitor visitor) { 119 p.accept(visitor); 120 } 121 apply(PatternFunction f)122 public Object apply(PatternFunction f) { 123 return f.caseRef(this); 124 } 125 getReplacementStatus()126 byte getReplacementStatus() { 127 return replacementStatus; 128 } 129 setReplacementStatus(byte replacementStatus)130 void setReplacementStatus(byte replacementStatus) { 131 this.replacementStatus = replacementStatus; 132 } 133 isCombineImplicit()134 boolean isCombineImplicit() { 135 return combineImplicit; 136 } 137 setCombineImplicit()138 void setCombineImplicit() { 139 combineImplicit = true; 140 } 141 getCombineType()142 byte getCombineType() { 143 return combineType; 144 } 145 setCombineType(byte combineType)146 void setCombineType(byte combineType) { 147 this.combineType = combineType; 148 } 149 getName()150 String getName() { 151 return name; 152 } 153 } 154