com.sun.tools.rngom.binary.Alphabet 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.nc.ChoiceNameClass;
import com.sun.tools.rngom.nc.NameClass;
class Alphabet {
private NameClass nameClass;
boolean isEmpty() {
return nameClass == null;
}
void addElement(NameClass nc) {
if (nameClass == null)
nameClass = nc;
else if (nc != null)
nameClass = new ChoiceNameClass(nameClass, nc);
}
void addAlphabet(Alphabet a) {
addElement(a.nameClass);
}
void checkOverlap(Alphabet a) throws RestrictionViolationException {
if (nameClass != null
&& a.nameClass != null
&& nameClass.hasOverlapWith(a.nameClass))
throw new RestrictionViolationException("interleave_element_overlap");
}
}