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.nc.NameClass; 49 import org.relaxng.datatype.Datatype; 50 import org.xml.sax.Locator; 51 52 public class SchemaPatternBuilder extends PatternBuilder { 53 private boolean idTypes; 54 private final Pattern unexpandedNotAllowed = 55 new NotAllowedPattern() { 56 @Override 57 boolean isNotAllowed() { 58 return false; 59 } 60 @Override 61 Pattern expand(SchemaPatternBuilder b) { 62 return b.makeNotAllowed(); 63 } 64 }; 65 66 private final TextPattern text = new TextPattern(); 67 private final PatternInterner schemaInterner = new PatternInterner(); 68 SchemaPatternBuilder()69 public SchemaPatternBuilder() { } 70 hasIdTypes()71 public boolean hasIdTypes() { 72 return idTypes; 73 } 74 makeElement(NameClass nameClass, Pattern content, Locator loc)75 Pattern makeElement(NameClass nameClass, Pattern content, Locator loc) { 76 Pattern p = new ElementPattern(nameClass, content, loc); 77 return schemaInterner.intern(p); 78 } 79 makeAttribute(NameClass nameClass, Pattern value, Locator loc)80 Pattern makeAttribute(NameClass nameClass, Pattern value, Locator loc) { 81 if (value == notAllowed) 82 return value; 83 Pattern p = new AttributePattern(nameClass, value, loc); 84 return schemaInterner.intern(p); 85 } 86 makeData(Datatype dt)87 Pattern makeData(Datatype dt) { 88 noteDatatype(dt); 89 Pattern p = new DataPattern(dt); 90 return schemaInterner.intern(p); 91 } 92 makeDataExcept(Datatype dt, Pattern except, Locator loc)93 Pattern makeDataExcept(Datatype dt, Pattern except, Locator loc) { 94 noteDatatype(dt); 95 Pattern p = new DataExceptPattern(dt, except, loc); 96 return schemaInterner.intern(p); 97 } 98 makeValue(Datatype dt, Object obj)99 Pattern makeValue(Datatype dt, Object obj) { 100 noteDatatype(dt); 101 Pattern p = new ValuePattern(dt, obj); 102 return schemaInterner.intern(p); 103 } 104 makeText()105 Pattern makeText() { 106 return text; 107 } 108 109 @Override makeOneOrMore(Pattern p)110 Pattern makeOneOrMore(Pattern p) { 111 if (p == text) 112 return p; 113 return super.makeOneOrMore(p); 114 } 115 makeUnexpandedNotAllowed()116 Pattern makeUnexpandedNotAllowed() { 117 return unexpandedNotAllowed; 118 } 119 makeError()120 Pattern makeError() { 121 Pattern p = new ErrorPattern(); 122 return schemaInterner.intern(p); 123 } 124 125 @Override makeChoice(Pattern p1, Pattern p2)126 Pattern makeChoice(Pattern p1, Pattern p2) { 127 if (p1 == notAllowed || p1 == p2) 128 return p2; 129 if (p2 == notAllowed) 130 return p1; 131 return super.makeChoice(p1, p2); 132 } 133 makeList(Pattern p, Locator loc)134 Pattern makeList(Pattern p, Locator loc) { 135 if (p == notAllowed) 136 return p; 137 Pattern p1 = new ListPattern(p, loc); 138 return schemaInterner.intern(p1); 139 } 140 makeMixed(Pattern p)141 Pattern makeMixed(Pattern p) { 142 return makeInterleave(text, p); 143 } 144 noteDatatype(Datatype dt)145 private void noteDatatype(Datatype dt) { 146 if (dt.getIdType() != Datatype.ID_TYPE_NULL) 147 idTypes = true; 148 } 149 } 150