- /*
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 2001-2004 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.xinclude;
-
- import com.sun.org.apache.xerces.internal.xni.NamespaceContext;
-
- /**
- * This is an implementation of NamespaceContext which is intended to be used for
- * XInclude processing. It enables each context to be marked as invalid, if necessary,
- * to indicate that the namespaces recorded on those contexts won't be apparent in the
- * resulting infoset.
- *
- * @author Peter McCracken, IBM
- *
- * @version $Id: XIncludeNamespaceSupport.java,v 1.4 2004/01/22 16:08:58 mrglavas Exp $
- */
- public class XIncludeNamespaceSupport extends MultipleScopeNamespaceSupport {
-
- /**
- * This stores whether or not the context at the matching depth was valid.
- */
- private boolean[] fValidContext = new boolean[8];
-
- /**
- *
- */
- public XIncludeNamespaceSupport() {
- super();
- }
-
- /**
- * @param context
- */
- public XIncludeNamespaceSupport(NamespaceContext context) {
- super(context);
- }
-
- /**
- * Pushes a new context onto the stack.
- */
- public void pushContext() {
- super.pushContext();
- if (fCurrentContext + 1 == fValidContext.length) {
- boolean[] contextarray = new boolean[fValidContext.length * 2];
- System.arraycopy(fValidContext, 0, contextarray, 0, fValidContext.length);
- fValidContext = contextarray;
- }
-
- fValidContext[fCurrentContext] = true;
- }
-
- /**
- * This method is used to set a context invalid for XInclude namespace processing.
- * Any context defined by an <include> or <fallback> element is not
- * valid for processing the include parent's [in-scope namespaces]. Thus, contexts
- * defined by these elements are set to invalid by the XInclude processor using
- * this method.
- */
- public void setContextInvalid() {
- fValidContext[fCurrentContext] = false;
- }
-
- /**
- * This returns the namespace URI which was associated with the given pretext, in
- * the context that existed at the include parent of the current element. The
- * include parent is the last element, before the current one, which was not set
- * to an invalid context using setContextInvalid()
- *
- * @param prefix the prefix of the desired URI
- * @return the URI corresponding to the prefix in the context of the include parent
- */
- public String getURIFromIncludeParent(String prefix) {
- int lastValidContext = fCurrentContext - 1;
- while (!fValidContext[lastValidContext]) {
- lastValidContext--;
- }
- return getURI(prefix, lastValidContext);
- }
- }
-