- /*
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 1999-2002 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation and was
- * originally based on software copyright (c) 1999, International
- * Business Machines, Inc., http://www.apache.org. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-
- package com.sun.org.apache.xerces.internal.impl.xs.models;
-
- import com.sun.org.apache.xerces.internal.impl.dtd.models.CMNode;
- import com.sun.org.apache.xerces.internal.impl.dtd.models.CMStateSet;
- import com.sun.org.apache.xerces.internal.impl.xs.XSParticleDecl;
-
- /**
- *
- * Content model Uni-Op node.
- *
- * @author Neil Graham, IBM
- * @version $$
- */
- public class XSCMUniOp extends CMNode {
- // -------------------------------------------------------------------
- // Constructors
- // -------------------------------------------------------------------
- public XSCMUniOp(int type, CMNode childNode) {
- super(type);
-
- // Insure that its one of the types we require
- if ((type() != XSParticleDecl.PARTICLE_ZERO_OR_ONE)
- && (type() != XSParticleDecl.PARTICLE_ZERO_OR_MORE)
- && (type() != XSParticleDecl.PARTICLE_ONE_OR_MORE)) {
- throw new RuntimeException("ImplementationMessages.VAL_UST");
- }
-
- // Store the node and init any data that needs it
- fChild = childNode;
- }
-
-
- // -------------------------------------------------------------------
- // Package, final methods
- // -------------------------------------------------------------------
- final CMNode getChild() {
- return fChild;
- }
-
-
- // -------------------------------------------------------------------
- // Package, inherited methods
- // -------------------------------------------------------------------
- public boolean isNullable() {
- //
- // For debugging purposes, make sure we got rid of all non '*'
- // repetitions. Otherwise, '*' style nodes are always nullable.
- //
- if (type() == XSParticleDecl.PARTICLE_ONE_OR_MORE)
- return fChild.isNullable();
- else
- return true;
- }
-
-
- // -------------------------------------------------------------------
- // Protected, inherited methods
- // -------------------------------------------------------------------
- protected void calcFirstPos(CMStateSet toSet) {
- // Its just based on our child node's first pos
- toSet.setTo(fChild.firstPos());
- }
-
- protected void calcLastPos(CMStateSet toSet) {
- // Its just based on our child node's last pos
- toSet.setTo(fChild.lastPos());
- }
-
-
- // -------------------------------------------------------------------
- // Private data members
- //
- // fChild
- // This is the reference to the one child that we have for this
- // unary operation.
- // -------------------------------------------------------------------
- private CMNode fChild;
- } // XSCMUniOp
-