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1 package com.thaiopensource.relaxng.impl;
2
3 import com.thaiopensource.datatype.Datatype2;
4 import org.relaxng.datatype.Datatype;
5
6 class DataPattern extends StringPattern {
7 private final Datatype dt;
8
9 DataPattern(Datatype dt) {
10 super(combineHashCode(DATA_HASH_CODE, dt.hashCode()));
11 this.dt = dt;
12 }
13
14 boolean samePattern(Pattern other) {
15 if (other.getClass() != this.getClass())
16 return false;
17 return dt.equals(((DataPattern)other).dt);
18 }
19
20 void accept(PatternVisitor visitor) {
21 visitor.visitData(dt);
22 }
23
24 Object  apply(PatternFunction f) {
25 return f.caseData(this);
26 }
27
28 Datatype getDatatype() {
29 return dt;
30 }
31
32 boolean allowsAnyString() {
33 return dt instanceof Datatype2 && ((Datatype2)dt).alwaysValid();
34 }
35
36 void checkRestrictions(int context, DuplicateAttributeDetector dad, Alphabet alpha)
37 throws RestrictionViolationException {
38 switch (context) {
39 case START_CONTEXT:
40 throw new RestrictionViolationException("start_contains_data");
41 }
42 }
43 }
44 |
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