/*
* Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package com.sun.tools.internal.xjc.reader.dtd;
import java.util.List;
/**
* @author Kohsuke Kawaguchi
*/
abstract class Term {
abstract void normalize( List<Block> r, boolean optional );
abstract void addAllElements(Block b);
abstract boolean isOptional();
abstract boolean isRepeated();
/**
* Represents empty term.
* <p>
* This special term is only used to represent #PCDATA-only content model.
*/
static final Term EMPTY = new Term() {
void normalize(List<Block> r, boolean optional) {
}
void addAllElements(Block b) {
}
boolean isOptional() {
return false;
}
boolean isRepeated() {
return false;
}
};
}
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