01: /*
02: * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any 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(), p.getContentType(), combineHashCode(
37: ONE_OR_MORE_HASH_CODE, p.hashCode()));
38: this .p = p;
39: }
40:
41: Pattern expand(SchemaPatternBuilder b) {
42: Pattern ep = p.expand(b);
43: if (ep != p)
44: return b.makeOneOrMore(ep);
45: else
46: return this ;
47: }
48:
49: void checkRecursion(int depth) throws SAXException {
50: p.checkRecursion(depth);
51: }
52:
53: void checkRestrictions(int context, DuplicateAttributeDetector dad,
54: Alphabet alpha) throws RestrictionViolationException {
55: switch (context) {
56: case START_CONTEXT:
57: throw new RestrictionViolationException(
58: "start_contains_one_or_more");
59: case DATA_EXCEPT_CONTEXT:
60: throw new RestrictionViolationException(
61: "data_except_contains_one_or_more");
62: }
63:
64: p.checkRestrictions(
65: context == ELEMENT_CONTEXT ? ELEMENT_REPEAT_CONTEXT
66: : context, dad, alpha);
67: if (context != LIST_CONTEXT
68: && !contentTypeGroupable(p.getContentType(), p
69: .getContentType()))
70: throw new RestrictionViolationException(
71: "one_or_more_string");
72: }
73:
74: boolean samePattern(Pattern other) {
75: return (other instanceof OneOrMorePattern && 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: }
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