00001 /* 00002 * Licensed to the Apache Software Foundation (ASF) under one 00003 * or more contributor license agreements. See the NOTICE file 00004 * distributed with this work for additional information 00005 * regarding copyright ownership. The ASF licenses this file 00006 * to you under the Apache License, Version 2.0 (the "License"); 00007 * you may not use this file except in compliance with the License. 00008 * You may obtain a copy of the License at 00009 * 00010 * http://www.apache.org/licenses/LICENSE-2.0 00011 * 00012 * Unless required by applicable law or agreed to in writing, software 00013 * distributed under the License is distributed on an "AS IS" BASIS, 00014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00015 * See the License for the specific language governing permissions and 00016 * limitations under the License. 00017 */ 00018 #if !defined(FUNCTIONINTERSECTION_HEADER_GUARD_1357924680) 00019 #define FUNCTIONINTERSECTION_HEADER_GUARD_1357924680 00020 00021 00022 00023 // Base header file. Must be first. 00024 #include <xalanc/XalanExtensions/XalanExtensionsDefinitions.hpp> 00025 00026 00027 00028 // Base class header file... 00029 #include <xalanc/XPath/Function.hpp> 00030 00031 00032 00033 XALAN_CPP_NAMESPACE_BEGIN 00034 00035 00036 00037 /** 00038 * XPath implementation of "intersection" function for NodeSets. 00039 */ 00040 class XALAN_XALANEXTENSIONS_EXPORT FunctionIntersection : public Function 00041 { 00042 public: 00043 00044 typedef Function ParentType; 00045 00046 FunctionIntersection(); 00047 00048 virtual 00049 ~FunctionIntersection(); 00050 00051 // These methods are inherited from Function ... 00052 00053 virtual XObjectPtr 00054 execute( 00055 XPathExecutionContext& executionContext, 00056 XalanNode* context, 00057 const XObjectArgVectorType& args, 00058 const Locator* locator) const; 00059 00060 using ParentType::execute; 00061 00062 #if defined(XALAN_NO_COVARIANT_RETURN_TYPE) 00063 virtual Function* 00064 #else 00065 virtual FunctionIntersection* 00066 #endif 00067 clone(MemoryManager& theManager) const; 00068 00069 protected: 00070 00071 virtual const XalanDOMString& 00072 getError(XalanDOMString& theResult) const; 00073 00074 private: 00075 00076 // Not implemented... 00077 FunctionIntersection& 00078 operator=(const FunctionIntersection&); 00079 00080 bool 00081 operator==(const FunctionIntersection&) const; 00082 }; 00083 00084 00085 00086 XALAN_CPP_NAMESPACE_END 00087 00088 00089 00090 #endif // FUNCTIONINTERSECTION_HEADER_GUARD_1357924680
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