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    00001 #ifndef DOMXPathEvaluator_HEADER_GUARD_
    00002 #define DOMXPathEvaluator_HEADER_GUARD_
    00003
    00004 /*
    00005  * Copyright 2001-2004 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 #include <xercesc/util/XercesDefs.hpp>
    00021
    00022 XERCES_CPP_NAMESPACE_BEGIN
    00023
    00024 class DOMXPathNSResolver;
    00025 class DOMXPathExpression;
    00026 class DOMNode;
    00027
    00041 class  DOMXPathEvaluator
    00042 {
    00043
    00044 protected:
    00045     // -----------------------------------------------------------------------
    00046     //  Hidden constructors
    00047     // -----------------------------------------------------------------------
    00050     DOMXPathEvaluator() {};
    00052
    00053 private:
    00054     // -----------------------------------------------------------------------
    00055     // Unimplemented constructors and operators
    00056     // -----------------------------------------------------------------------
    00059     DOMXPathEvaluator(const DOMXPathEvaluator &);
    00060     DOMXPathEvaluator& operator = (const  DOMXPathEvaluator&);
    00062
    00063 public:
    00064     // -----------------------------------------------------------------------
    00065     //  All constructors are hidden, just the destructor is available
    00066     // -----------------------------------------------------------------------
    00073     virtual ~DOMXPathEvaluator() {};
    00075
    00076     // -----------------------------------------------------------------------
    00077     // Virtual DOMDocument interface
    00078     // -----------------------------------------------------------------------
    00081
    00102     virtual const DOMXPathExpression*    createExpression(const XMLCh *expression, const DOMXPathNSResolver *resolver) = 0;
    00103
    00104
    00116     virtual const DOMXPathNSResolver*    createNSResolver(DOMNode *nodeResolver) = 0;
    00117
    00118
    00163     virtual void* evaluate(const XMLCh *expression, DOMNode *contextNode, const DOMXPathNSResolver *resolver,
    00164                            unsigned short type, void* result) = 0;
    00165
    00167 };
    00168
    00169 XERCES_CPP_NAMESPACE_END
    00170
    00171 #endif

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