- /*
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 2002,2003 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) 2001, 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;
-
- import com.sun.org.apache.xerces.internal.xs.*;
- import com.sun.org.apache.xerces.internal.impl.xs.util.XSObjectListImpl;
-
- /**
- * Store schema model group declaration.
- *
- * @author Sandy Gao, IBM
- *
- * @version $Id: XSModelGroupImpl.java,v 1.7 2004/04/12 20:15:35 sandygao Exp $
- */
- public class XSModelGroupImpl implements XSModelGroup {
-
- // types of model groups
- // REVISIT: can't use same constants as those for particles, because
- // there are place where the constants are used together. For example,
- // to check whether the content is an element or a sequence.
- public static final short MODELGROUP_CHOICE = 101;
- public static final short MODELGROUP_SEQUENCE = 102;
- public static final short MODELGROUP_ALL = 103;
-
- // compositor of the model group
- public short fCompositor;
-
- // particles
- public XSParticleDecl[] fParticles = null;
- public int fParticleCount = 0;
-
- // this particle's optional annotation
- public XSAnnotationImpl fAnnotation;
-
- // whether this model group contains nothing
- public boolean isEmpty() {
- for (int i = 0; i < fParticleCount; i++) {
- if (!fParticles[i].isEmpty())
- return false;
- }
- return true;
- }
-
- /**
- * 3.8.6 Effective Total Range (all and sequence) and
- * Effective Total Range (choice)
- * The following methods are used to return min/max range for a particle.
- * They are not exactly the same as it's described in the spec, but all the
- * values from the spec are retrievable by these methods.
- */
- public int minEffectiveTotalRange() {
- if (fCompositor == MODELGROUP_CHOICE)
- return minEffectiveTotalRangeChoice();
- else
- return minEffectiveTotalRangeAllSeq();
- }
-
- // return the sum of all min values of the particles
- private int minEffectiveTotalRangeAllSeq() {
- int total = 0;
- for (int i = 0; i < fParticleCount; i++)
- total += fParticles[i].minEffectiveTotalRange();
- return total;
- }
-
- // return the min of all min values of the particles
- private int minEffectiveTotalRangeChoice() {
- int min = 0, one;
- if (fParticleCount > 0)
- min = fParticles[0].minEffectiveTotalRange();
-
- for (int i = 1; i < fParticleCount; i++) {
- one = fParticles[i].minEffectiveTotalRange();
- if (one < min)
- min = one;
- }
-
- return min;
- }
-
- public int maxEffectiveTotalRange() {
- if (fCompositor == MODELGROUP_CHOICE)
- return maxEffectiveTotalRangeChoice();
- else
- return maxEffectiveTotalRangeAllSeq();
- }
-
- // if one of the max value of the particles is unbounded, return unbounded;
- // otherwise return the sum of all max values
- private int maxEffectiveTotalRangeAllSeq() {
- int total = 0, one;
- for (int i = 0; i < fParticleCount; i++) {
- one = fParticles[i].maxEffectiveTotalRange();
- if (one == SchemaSymbols.OCCURRENCE_UNBOUNDED)
- return SchemaSymbols.OCCURRENCE_UNBOUNDED;
- total += one;
- }
- return total;
- }
-
- // if one of the max value of the particles is unbounded, return unbounded;
- // otherwise return the max of all max values
- private int maxEffectiveTotalRangeChoice() {
- int max = 0, one;
- if (fParticleCount > 0) {
- max = fParticles[0].maxEffectiveTotalRange();
- if (max == SchemaSymbols.OCCURRENCE_UNBOUNDED)
- return SchemaSymbols.OCCURRENCE_UNBOUNDED;
- }
-
- for (int i = 1; i < fParticleCount; i++) {
- one = fParticles[i].maxEffectiveTotalRange();
- if (one == SchemaSymbols.OCCURRENCE_UNBOUNDED)
- return SchemaSymbols.OCCURRENCE_UNBOUNDED;
- if (one > max)
- max = one;
- }
- return max;
- }
-
- /**
- * get the string description of this particle
- */
- private String fDescription = null;
- public String toString() {
- if (fDescription == null) {
- StringBuffer buffer = new StringBuffer();
- if (fCompositor == MODELGROUP_ALL)
- buffer.append("all(");
- else
- buffer.append('(');
- if (fParticleCount > 0)
- buffer.append(fParticles[0].toString());
- for (int i = 1; i < fParticleCount; i++) {
- if (fCompositor == MODELGROUP_CHOICE)
- buffer.append('|');
- else
- buffer.append(',');
- buffer.append(fParticles[i].toString());
- }
- buffer.append(')');
- fDescription = buffer.toString();
- }
- return fDescription;
- }
-
- public void reset(){
- fCompositor = MODELGROUP_SEQUENCE;
- fParticles = null;
- fParticleCount = 0;
- fDescription = null;
- fAnnotation = null;
- }
-
- /**
- * Get the type of the object, i.e ELEMENT_DECLARATION.
- */
- public short getType() {
- return XSConstants.MODEL_GROUP;
- }
-
- /**
- * The <code>name</code> of this <code>XSObject</code> depending on the
- * <code>XSObject</code> type.
- */
- public String getName() {
- return null;
- }
-
- /**
- * The namespace URI of this node, or <code>null</code> if it is
- * unspecified. defines how a namespace URI is attached to schema
- * components.
- */
- public String getNamespace() {
- return null;
- }
-
- /**
- * {compositor} One of all, choice or sequence. The valid constants values
- * are: ALL, CHOICE, SEQUENCE.
- */
- public short getCompositor() {
- if (fCompositor == MODELGROUP_CHOICE)
- return XSModelGroup.COMPOSITOR_CHOICE;
- else if (fCompositor == MODELGROUP_SEQUENCE)
- return XSModelGroup.COMPOSITOR_SEQUENCE;
- else
- return XSModelGroup.COMPOSITOR_ALL;
- }
-
- /**
- * {particles} A list of particles
- */
- public XSObjectList getParticles() {
- return new XSObjectListImpl(fParticles, fParticleCount);
- }
-
- /**
- * Optional. Annotation.
- */
- public XSAnnotation getAnnotation() {
- return fAnnotation;
- }
-
- /**
- * @see com.sun.org.apache.xerces.internal.xs.XSObject#getNamespaceItem()
- */
- public XSNamespaceItem getNamespaceItem() {
- return null;
- }
-
- } // class XSModelGroupImpl