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    00001 #ifndef DOMWriterFilter_HEADER_GUARD_
    00002 #define DOMWriterFilter_HEADER_GUARD_
    00003
    00004 /*
    00005  * Copyright 2002,2004 The Apache Software Foundation.
    00006  *
    00007  * Licensed under the Apache License, Version 2.0 (the "License");
    00008  * you may not use this file except in compliance with the License.
    00009  * You may obtain a copy of the License at
    00010  *
    00011  *      http://www.apache.org/licenses/LICENSE-2.0
    00012  *
    00013  * Unless required by applicable law or agreed to in writing, software
    00014  * distributed under the License is distributed on an "AS IS" BASIS,
    00015  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    00016  * See the License for the specific language governing permissions and
    00017  * limitations under the License.
    00018  */
    00019
    00020 /*
    00021  * $Id: DOMWriterFilter.hpp 191054 2005-06-17 02:56:35Z jberry $
    00022  */
    00023
    00041 #include <xercesc/dom/DOMNodeFilter.hpp>
    00042
    00043 XERCES_CPP_NAMESPACE_BEGIN
    00044
    00045
    00046 class  DOMWriterFilter : public DOMNodeFilter {
    00047 protected:
    00048     // -----------------------------------------------------------------------
    00049     //  Hidden constructors
    00050     // -----------------------------------------------------------------------
    00053     DOMWriterFilter() {};
    00055
    00056 private:
    00057     // -----------------------------------------------------------------------
    00058     // Unimplemented constructors and operators
    00059     // -----------------------------------------------------------------------
    00062     DOMWriterFilter(const DOMWriterFilter &);
    00063     DOMWriterFilter & operator = (const DOMWriterFilter &);
    00065
    00066
    00067 public:
    00068     // -----------------------------------------------------------------------
    00069     //  All constructors are hidden, just the destructor is available
    00070     // -----------------------------------------------------------------------
    00077     virtual ~DOMWriterFilter() {};
    00079
    00080     // -----------------------------------------------------------------------
    00081     //  Virtual DOMWriterFilter interface
    00082     // -----------------------------------------------------------------------
    00089     virtual short acceptNode(const DOMNode* node) const = 0;
    00090
    00103     virtual unsigned long getWhatToShow() const =0;
    00104
    00115     virtual void          setWhatToShow(unsigned long toShow) =0;
    00117
    00118 private:
    00119
    00120     // -----------------------------------------------------------------------
    00121     //  Private data members
    00122     //
    00123     //  fWhatToShow
    00124     //
    00125     //      The whatToShow mask.
    00126     //      Tells the DOMWriter what types of nodes to show to the filter.
    00127     //      See NodeFilter for definition of the constants.
    00128     //      The constants
    00129     //      SHOW_ATTRIBUTE,
    00130     //      SHOW_DOCUMENT,
    00131     //      SHOW_DOCUMENT_TYPE,
    00132     //      SHOW_NOTATION, and
    00133     //      SHOW_DOCUMENT_FRAGMENT are meaningless here,
    00134     //      Entity nodes are not passed to the filter.
    00135     //
    00136     //      Those nodes will never be passed to a DOMWriterFilter.
    00137     //
    00138     //   Derived class shall add this data member:
    00139     //
    00140     //   unsigned long fWhatToShow;
    00141     // -----------------------------------------------------------------------
    00142
    00143 };
    00144
    00145 XERCES_CPP_NAMESPACE_END
    00146
    00147 #endif

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