text: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  /*
   * $Id$
   */
  
  #if !defined(XERCESC_INCLUDE_GUARD_DOMXPATHNSRESOLVER_HPP)
  #define XERCESC_INCLUDE_GUARD_DOMXPATHNSRESOLVER_HPP
  
  #include <xercesc/util/XercesDefs.hpp>
  
  XERCES_CPP_NAMESPACE_BEGIN
  /**
   * The <code>DOMXPathNSResolver</code> interface permit prefix strings
   * in the expression to be properly bound to namespaceURI strings.
   * <code>DOMXPathEvaluator</code> can construct an implementation of
   * <code>DOMXPathNSResolver</code> from a node, or the interface may be
   * implemented by any application.
   * @since DOM Level 3
   */
  class CDOM_EXPORT DOMXPathNSResolver
  {
  
  protected:
      // -----------------------------------------------------------------------
      //  Hidden constructors
      // -----------------------------------------------------------------------
      /** @name Hidden constructors */
      //@{
      DOMXPathNSResolver() {};
      //@}
  
  private:
      // -----------------------------------------------------------------------
      // Unimplemented constructors and operators
      // -----------------------------------------------------------------------
      /** @name Unimplemented constructors and operators */
      //@{
      DOMXPathNSResolver(const DOMXPathNSResolver &);
      DOMXPathNSResolver& operator = (const  DOMXPathNSResolver&);
      //@}
  
  public:
      // -----------------------------------------------------------------------
      //  All constructors are hidden, just the destructor is available
      // -----------------------------------------------------------------------
      /** @name Destructor */
      //@{
      /**
       * Destructor
       *
       */
      virtual ~DOMXPathNSResolver() {};
      //@}
  
      // -----------------------------------------------------------------------
      // Virtual DOMDocument interface
      // -----------------------------------------------------------------------
      /** @name Functions introduced in DOM Level 3 */
      //@{
  
      /** Look up the namespace URI associated to the given namespace prefix.
       *
       * @param prefix of type XMLCh - The prefix to look for. An empty or
       * null string denotes the default namespace.
       * @return the associated namespace URI or null if none is found.
       */
      virtual const XMLCh*          lookupNamespaceURI(const XMLCh* prefix) const = 0;
      //@}
  
  
      // -----------------------------------------------------------------------
      // Non-standard extension
      // -----------------------------------------------------------------------
      /** @name Non-standard extension */
      //@{
  
      /**
       * Non-standard extension
       *
       * XPath2 implementations require a reverse lookup in the static context.
       * Look up the prefix associated with the namespace URI
       * @param URI of type XMLCh - The namespace to look for.
       * @return the associated prefix which can be an empty string if this
       * is a default namespace or null if none is found.
       */
      virtual const XMLCh*          lookupPrefix(const XMLCh* URI) const = 0;
  
      /**
       * Non-standard extension
       *
       * Associate the given namespace prefix to the namespace URI.
       * @param prefix of type XMLCh - The namespace prefix to bind. An empty
       * or null string denotes the default namespace.
       * @param uri of type XMLCh - The associated namespace URI. If this
       * argument is null or an empty string then the existing binding for this
       * prefix is removed.
       */
      virtual void addNamespaceBinding(const XMLCh* prefix, const XMLCh* uri) = 0;
  
      /**
       * Called to indicate that this object (and its associated children) is no longer in use
       * and that the implementation may relinquish any resources associated with it and
       * its associated children.
       *
       * Access to a released object will lead to unexpected result.
       */
      virtual void release() = 0;
  
      //@}
  };
  
  XERCES_CPP_NAMESPACE_END
  
  #endif
  