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(FUNCTIONLANG_HEADER_GUARD_1357924680) 00019 #define FUNCTIONLANG_HEADER_GUARD_1357924680 00020 00021 00022 00023 // Base header file. Must be first. 00024 #include <xalanc/XPath/XPathDefinitions.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 "lang" function. 00039 */ 00040 class XALAN_XPATH_EXPORT FunctionLang : public Function 00041 { 00042 public: 00043 00044 typedef Function ParentType; 00045 00046 /** 00047 * Perform static initialization. See class XPathInit. 00048 */ 00049 static void 00050 initialize(MemoryManager& theManager); 00051 00052 /** 00053 * Perform static shut down. See class XPathInit. 00054 */ 00055 static void 00056 terminate(); 00057 00058 00059 FunctionLang(); 00060 00061 virtual 00062 ~FunctionLang(); 00063 00064 // These methods are inherited from Function ... 00065 00066 virtual XObjectPtr 00067 execute( 00068 XPathExecutionContext& executionContext, 00069 XalanNode* context, 00070 const XObjectPtr arg1, 00071 const Locator* locator) const; 00072 00073 using ParentType::execute; 00074 00075 #if defined(XALAN_NO_COVARIANT_RETURN_TYPE) 00076 virtual Function* 00077 #else 00078 virtual FunctionLang* 00079 #endif 00080 clone(MemoryManager& theManager) const; 00081 00082 protected: 00083 00084 virtual const XalanDOMString& 00085 getError(XalanDOMString& theResult) const; 00086 00087 private: 00088 00089 // Not implemented... 00090 FunctionLang& 00091 operator=(const FunctionLang&); 00092 00093 bool 00094 operator==(const FunctionLang&) const; 00095 00096 static const XalanDOMString& s_attributeName; 00097 }; 00098 00099 00100 00101 XALAN_CPP_NAMESPACE_END 00102 00103 00104 00105 #endif // FUNCTIONLANG_HEADER_GUARD_1357924680
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