src/share/jaxws_classes/com/sun/xml/internal/rngom/binary/InterleavePattern.java

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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
51 public class InterleavePattern extends BinaryPattern {
52 InterleavePattern(Pattern p1, Pattern p2) {
53 super(p1.isNullable() && p2.isNullable(),
54 combineHashCode(INTERLEAVE_HASH_CODE, p1.hashCode(), p2.hashCode()),
55 p1,
56 p2);
57 }
58 @Override
59 Pattern expand(SchemaPatternBuilder b) {
60 Pattern ep1 = p1.expand(b);
61 Pattern ep2 = p2.expand(b);
62 if (ep1 != p1 || ep2 != p2)
63 return b.makeInterleave(ep1, ep2);
64 else
65 return this;
66 }
67 @Override
68 void checkRestrictions(int context, DuplicateAttributeDetector dad, Alphabet alpha)
69 throws RestrictionViolationException {
70 switch (context) {
71 case START_CONTEXT:
72 throw new RestrictionViolationException("start_contains_interleave");
73 case DATA_EXCEPT_CONTEXT:
74 throw new RestrictionViolationException("data_except_contains_interleave");
75 case LIST_CONTEXT:
76 throw new RestrictionViolationException("list_contains_interleave");
77 }
78 if (context == ELEMENT_REPEAT_CONTEXT)
79 context = ELEMENT_REPEAT_INTERLEAVE_CONTEXT;
80 Alphabet a1;
81 if (alpha != null && alpha.isEmpty())
82 a1 = alpha;
83 else
84 a1 = new Alphabet();
85 p1.checkRestrictions(context, dad, a1);
86 if (a1.isEmpty())
87 p2.checkRestrictions(context, dad, a1);
88 else {
89 Alphabet a2 = new Alphabet();
90 p2.checkRestrictions(context, dad, a2);
91 a1.checkOverlap(a2);
92 if (alpha != null) {
93 if (alpha != a1)
94 alpha.addAlphabet(a1);
95 alpha.addAlphabet(a2);
96 }
97 }
98 if (context != LIST_CONTEXT
99 && !contentTypeGroupable(p1.getContentType(), p2.getContentType()))
100 throw new RestrictionViolationException("interleave_string");
101 if (p1.getContentType() == MIXED_CONTENT_TYPE
102 && p2.getContentType() == MIXED_CONTENT_TYPE)
103 throw new RestrictionViolationException("interleave_text_overlap");
104 }
105
106 public void accept(PatternVisitor visitor) {
107 visitor.visitInterleave(p1, p2);
108 }
109 public Object apply(PatternFunction f) {
110 return f.caseInterleave(this);
111 }
112 }

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