com.sun.tools.rngom.binary.DataPattern Maven / Gradle / Ivy
/*
* Copyright (C) 2004-2011
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.sun.tools.rngom.binary;
import com.sun.tools.rngom.binary.visitor.PatternFunction;
import com.sun.tools.rngom.binary.visitor.PatternVisitor;
import com.sun.tools.rngdatatype.Datatype;
public class DataPattern extends StringPattern {
private Datatype dt;
DataPattern(Datatype dt) {
super(combineHashCode(DATA_HASH_CODE, dt.hashCode()));
this.dt = dt;
}
boolean samePattern(Pattern other) {
if (other.getClass() != this.getClass())
return false;
return dt.equals(((DataPattern)other).dt);
}
public void accept(PatternVisitor visitor) {
visitor.visitData(dt);
}
public Object apply(PatternFunction f) {
return f.caseData(this);
}
Datatype getDatatype() {
return dt;
}
boolean allowsAnyString() {
return false;
// return dt instanceof Datatype2 && ((Datatype2)dt).alwaysValid();
}
@Override
void checkRestrictions(int context, DuplicateAttributeDetector dad, Alphabet alpha)
throws RestrictionViolationException {
switch (context) {
case START_CONTEXT:
throw new RestrictionViolationException("start_contains_data");
}
}
}