DOMNodeFilter.hpp

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/*
 * 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_DOMNODEFILTER_HPP)
#define XERCESC_INCLUDE_GUARD_DOMNODEFILTER_HPP
 
#include <xercesc/dom/DOMNode.hpp>
 
XERCES_CPP_NAMESPACE_BEGIN
 
 
class CDOM_EXPORT DOMNodeFilter
{
protected:
    // -----------------------------------------------------------------------
    //  Hidden constructors
    // -----------------------------------------------------------------------
    DOMNodeFilter() {};
 
private:
    // -----------------------------------------------------------------------
    // Unimplemented constructors and operators
    // -----------------------------------------------------------------------
    DOMNodeFilter(const DOMNodeFilter &);
    DOMNodeFilter & operator = (const DOMNodeFilter &);
 
public:
    // -----------------------------------------------------------------------
    //  All constructors are hidden, just the destructor is available
    // -----------------------------------------------------------------------
    virtual ~DOMNodeFilter() {};
 
    // -----------------------------------------------------------------------
    //  Class Types
    // -----------------------------------------------------------------------
    enum FilterAction {FILTER_ACCEPT = 1,
                       FILTER_REJECT = 2,
                       FILTER_SKIP   = 3};
 
    enum ShowTypeMasks {
        SHOW_ALL                       = 0x0000FFFF,
        SHOW_ELEMENT                   = 0x00000001,
        SHOW_ATTRIBUTE                 = 0x00000002,
        SHOW_TEXT                      = 0x00000004,
        SHOW_CDATA_SECTION             = 0x00000008,
        SHOW_ENTITY_REFERENCE          = 0x00000010,
        SHOW_ENTITY                    = 0x00000020,
        SHOW_PROCESSING_INSTRUCTION    = 0x00000040,
        SHOW_COMMENT                   = 0x00000080,
        SHOW_DOCUMENT                  = 0x00000100,
        SHOW_DOCUMENT_TYPE             = 0x00000200,
        SHOW_DOCUMENT_FRAGMENT         = 0x00000400,
        SHOW_NOTATION                  = 0x00000800
    };
 
    typedef unsigned long ShowType;
 
 
    // -----------------------------------------------------------------------
    //  Virtual DOMNodeFilter interface
    // -----------------------------------------------------------------------
    virtual FilterAction acceptNode (const DOMNode* node) const =0;
 
};
 
XERCES_CPP_NAMESPACE_END
 
#endif