DOMXPathEvaluator.hpp

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00001 #ifndef DOMXPathEvaluator_HEADER_GUARD_
00002 #define DOMXPathEvaluator_HEADER_GUARD_
00003 
00004 /*
00005  * Licensed to the Apache Software Foundation (ASF) under one or more
00006  * contributor license agreements.  See the NOTICE file distributed with
00007  * this work for additional information regarding copyright ownership.
00008  * The ASF licenses this file to You under the Apache License, Version 2.0
00009  * (the "License"); you may not use this file except in compliance with
00010  * the License.  You may obtain a copy of the License at
00011  * 
00012  *      http://www.apache.org/licenses/LICENSE-2.0
00013  * 
00014  * Unless required by applicable law or agreed to in writing, software
00015  * distributed under the License is distributed on an "AS IS" BASIS,
00016  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00017  * See the License for the specific language governing permissions and
00018  * limitations under the License.
00019  */
00020 
00021 #include <xercesc/util/XercesDefs.hpp>
00022 
00023 XERCES_CPP_NAMESPACE_BEGIN
00024 
00025 class DOMXPathNSResolver;
00026 class DOMXPathExpression;
00027 class DOMNode;
00028 
00042 class CDOM_EXPORT DOMXPathEvaluator
00043 {
00044 
00045 protected:
00046     // -----------------------------------------------------------------------
00047     //  Hidden constructors
00048     // -----------------------------------------------------------------------
00051     DOMXPathEvaluator() {};
00053 
00054 private:
00055     // -----------------------------------------------------------------------
00056     // Unimplemented constructors and operators
00057     // -----------------------------------------------------------------------
00060     DOMXPathEvaluator(const DOMXPathEvaluator &);
00061     DOMXPathEvaluator& operator = (const  DOMXPathEvaluator&);
00063 
00064 public:
00065     // -----------------------------------------------------------------------
00066     //  All constructors are hidden, just the destructor is available
00067     // -----------------------------------------------------------------------
00074     virtual ~DOMXPathEvaluator() {};
00076 
00077     // -----------------------------------------------------------------------
00078     // Virtual DOMDocument interface
00079     // -----------------------------------------------------------------------
00082 
00103     virtual const DOMXPathExpression*    createExpression(const XMLCh *expression, const DOMXPathNSResolver *resolver) = 0;
00104 
00105 
00117     virtual const DOMXPathNSResolver*    createNSResolver(DOMNode *nodeResolver) = 0;
00118 
00119 
00164     virtual void* evaluate(const XMLCh *expression, DOMNode *contextNode, const DOMXPathNSResolver *resolver, 
00165                            unsigned short type, void* result) = 0;
00166 
00168 };
00169 
00170 XERCES_CPP_NAMESPACE_END
00171 
00172 #endif

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