- /*
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 2000-2002 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;
-
- import com.sun.org.apache.xerces.internal.util.NamespaceSupport;
-
- /**
- * This class customizes the behaviour of the util.NamespaceSupport
- * class in order to easily implement some features that we need for
- * efficient schema handling. It will not be generally useful.
- *
- * @author Neil Graham, IBM
- *
- * @version $Id: SchemaNamespaceSupport.java,v 1.4 2002/08/14 22:49:28 sandygao Exp $
- */
- public class SchemaNamespaceSupport
- extends NamespaceSupport {
-
- public SchemaNamespaceSupport () {
- super();
- } // constructor
-
- // more effecient than NamespaceSupport(NamespaceContext)
- public SchemaNamespaceSupport(SchemaNamespaceSupport nSupport) {
- fNamespaceSize = nSupport.fNamespaceSize;
- if (fNamespace.length < fNamespaceSize)
- fNamespace = new String[fNamespaceSize];
- System.arraycopy(nSupport.fNamespace, 0, fNamespace, 0, fNamespaceSize);
- fCurrentContext = nSupport.fCurrentContext;
- if (fContext.length <= fCurrentContext)
- fContext = new int[fCurrentContext+1];
- System.arraycopy(nSupport.fContext, 0, fContext, 0, fCurrentContext+1);
- } // end constructor
-
- /**
- * This method takes a set of Strings, as stored in a
- * NamespaceSupport object, and "fools" the object into thinking
- * that this is one unified context. This is meant to be used in
- * conjunction with things like local elements, whose declarations
- * may be deeply nested but which for all practical purposes may
- * be regarded as being one level below the global <schema>
- * element--at least with regard to namespace declarations.
- * It's worth noting that the context from which the strings are
- * being imported had better be using the same SymbolTable.
- */
- public void setEffectiveContext (String [] namespaceDecls) {
- if(namespaceDecls == null || namespaceDecls.length == 0) return;
- pushContext();
- int newSize = fNamespaceSize + namespaceDecls.length;
- if (fNamespace.length < newSize) {
- // expand namespace's size...
- String[] tempNSArray = new String[newSize];
- System.arraycopy(fNamespace, 0, tempNSArray, 0, fNamespace.length);
- fNamespace = tempNSArray;
- }
- System.arraycopy(namespaceDecls, 0, fNamespace, fNamespaceSize,
- namespaceDecls.length);
- fNamespaceSize = newSize;
- } // setEffectiveContext(String):void
-
- /**
- * This method returns an array of Strings, as would be stored in
- * a NamespaceSupport object. This array contains all
- * declarations except those at the global level.
- */
- public String [] getEffectiveLocalContext() {
- // the trick here is to recognize that all local contexts
- // happen to start at fContext[3].
- // context 1: empty
- // context 2: decls for xml and xmlns;
- // context 3: decls on <xs:schema>: the global ones
- String[] returnVal = null;
- if (fCurrentContext >= 3) {
- int bottomLocalContext = fContext[3];
- int copyCount = fNamespaceSize - bottomLocalContext;
- if (copyCount > 0) {
- returnVal = new String[copyCount];
- System.arraycopy(fNamespace, bottomLocalContext, returnVal, 0,
- copyCount);
- }
- }
- return returnVal;
- } // getEffectiveLocalContext():String
-
- // This method removes from this object all the namespaces
- // returned by getEffectiveLocalContext.
- public void makeGlobal() {
- if (fCurrentContext >= 3) {
- fCurrentContext = 3;
- fNamespaceSize = fContext[3];
- }
- } // makeGlobal
- } // class NamespaceSupport