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1 package com.thaiopensource.relaxng.impl;
2
3 import org.xml.sax.Locator  ;
4 import org.xml.sax.SAXException ;
5
6 class ListPattern extends Pattern {
7 private final Pattern p;
8 private final Locator locator;
9
10 ListPattern(Pattern p, Locator locator) {
11 super(false,
12 DATA_CONTENT_TYPE,
13 combineHashCode(LIST_HASH_CODE, p.hashCode()));
14 this.p = p;
15 this.locator = locator;
16 }
17
18 Pattern expand(SchemaPatternBuilder b) {
19 Pattern ep = p.expand(b);
20 if (ep != p)
21 return b.makeList(ep, locator);
22 else
23 return this;
24 }
25
26 void checkRecursion(int depth) throws SAXException {
27 p.checkRecursion(depth);
28 }
29
30 boolean samePattern(Pattern other) {
31 return (other instanceof ListPattern
32 && p == ((ListPattern)other).p);
33 }
34
35 void accept(PatternVisitor visitor) {
36 visitor.visitList(p);
37 }
38
39 Object apply(PatternFunction f) {
40 return f.caseList(this);
41 }
42
43 void checkRestrictions(int context, DuplicateAttributeDetector dad, Alphabet alpha)
44 throws RestrictionViolationException {
45 switch (context) {
46 case DATA_EXCEPT_CONTEXT:
47 throw new RestrictionViolationException("data_except_contains_list");
48 case START_CONTEXT:
49 throw new RestrictionViolationException("start_contains_list");
50 case LIST_CONTEXT:
51 throw new RestrictionViolationException("list_contains_list");
52 }
53 try {
54 p.checkRestrictions(LIST_CONTEXT, dad, null);
55 }
56 catch (RestrictionViolationException e) {
57 e.maybeSetLocator(locator);
58 throw e;
59 }
60 }
61
62 Pattern getOperand() {
63 return p;
64 }
65 }
66 |
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