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1 package com.thaiopensource.relaxng.impl;
2
3 import org.xml.sax.SAXException  ;
4
5 class OneOrMorePattern extends Pattern {
6 private final Pattern p;
7
8 OneOrMorePattern(Pattern p) {
9 super(p.isNullable(),
10 p.getContentType(),
11 combineHashCode(ONE_OR_MORE_HASH_CODE, p.hashCode()));
12 this.p = p;
13 }
14
15 Pattern expand(SchemaPatternBuilder b) {
16 Pattern ep = p.expand(b);
17 if (ep != p)
18 return b.makeOneOrMore(ep);
19 else
20 return this;
21 }
22
23 void checkRecursion(int depth) throws SAXException {
24 p.checkRecursion(depth);
25 }
26
27 void checkRestrictions(int context, DuplicateAttributeDetector dad, Alphabet alpha)
28 throws RestrictionViolationException {
29 switch (context) {
30 case START_CONTEXT:
31 throw new RestrictionViolationException("start_contains_one_or_more");
32 case DATA_EXCEPT_CONTEXT:
33 throw new RestrictionViolationException("data_except_contains_one_or_more");
34 }
35
36 p.checkRestrictions(context == ELEMENT_CONTEXT
37 ? ELEMENT_REPEAT_CONTEXT
38 : context,
39 dad,
40 alpha);
41 if (context != LIST_CONTEXT
42 && !contentTypeGroupable(p.getContentType(), p.getContentType()))
43 throw new RestrictionViolationException("one_or_more_string");
44 }
45
46 boolean samePattern(Pattern other) {
47 return (other instanceof OneOrMorePattern
48 && p == ((OneOrMorePattern)other).p);
49 }
50
51 void accept(PatternVisitor visitor) {
52 visitor.visitOneOrMore(p);
53 }
54
55 Object apply(PatternFunction f) {
56 return f.caseOneOrMore(this);
57 }
58
59 Pattern getOperand() {
60 return p;
61 }
62 }
63 |
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