/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 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) 2003, 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.xs;

/**
 * This interface represents the Wildcard schema component.
 */
public interface XSWildcard extends XSTerm {
    // Namespace Constraint
    /**
     * Namespace Constraint: any namespace is allowed.
     */
    public static final short NSCONSTRAINT_ANY          = 1;
    /**
     * Namespace Constraint: namespaces in the list are not allowed.
     */
    public static final short NSCONSTRAINT_NOT          = 2;
    /**
     * Namespace Constraint: namespaces in the list are allowed.
     */
    public static final short NSCONSTRAINT_LIST         = 3;

    // Process contents
    /**
     * There must be a top-level declaration for the item available, or the 
     * item must have an xsi:type, and the item must be valid as appropriate.
     */
    public static final short PC_STRICT                 = 1;
    /**
     * No constraints at all: the item must simply be well-formed XML. 
     */
    public static final short PC_SKIP                   = 2;
    /**
     * If the item, or any items among its [children] is an element 
     * information item, has a uniquely determined declaration available, it 
     * must be valid with respect to that definition, that is, validate 
     * where you can and do not worry when you cannot.
     */
    public static final short PC_LAX                    = 3;

    /**
     * Namespace constraint: A constraint type: any, not, list. 
     */
    public short getConstraintType();

    /**
     * Namespace constraint: For <code>constraintType</code> 
     * <code>NSCONSTRAINT_LIST</code>, the list contains allowed namespaces. 
     * For <code>constraintType</code> <code>NSCONSTRAINT_NOT</code>, the 
     * list contains disallowed namespaces. For <code>constraintType</code> 
     * <code>NSCONSTRAINT_ANY</code>, the <code>StringList</code> is empty. 
     */
    public StringList getNsConstraintList();

    /**
     * [process contents]: one of skip, lax or strict. Valid constants values 
     * are: <code>PC_LAX</code>, <code>PC_SKIP</code> and 
     * <code>PC_STRICT</code>. 
     */
    public short getProcessContents();

    /**
     * An [annotation] if it exists, otherwise <code>null</code>. 
     */
    public XSAnnotation getAnnotation();

}