com.sun.tools.xjc.reader.dtd.Term Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.tools.xjc.reader.dtd;
import java.util.List;
/**
* @author Kohsuke Kawaguchi
*/
abstract class Term {
abstract void normalize( List r, boolean optional );
abstract void addAllElements(Block b);
abstract boolean isOptional();
abstract boolean isRepeated();
/**
* Represents empty term.
*
* This special term is only used to represent #PCDATA-only content model.
*/
static final Term EMPTY = new Term() {
void normalize(List r, boolean optional) {
}
void addAllElements(Block b) {
}
boolean isOptional() {
return false;
}
boolean isRepeated() {
return false;
}
};
}