00001 /* 00002 * Copyright 1999-2004 The Apache Software Foundation. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #if !defined(XALAN_EXTENSIONFUNCTIONHANDLER_HEADER_GUARD) 00018 #define XALAN_EXTENSIONFUNCTIONHANDLER_HEADER_GUARD 00019 00020 00021 00022 // Base include file. Must be first. 00023 #include <xalanc/XSLT/XSLTDefinitions.hpp> 00024 00025 00026 00027 #include <xalanc/XalanDOM/XalanDOMString.hpp> 00028 00029 00030 00031 #include <xalanc/Include/XalanVector.hpp> 00032 #include <xalanc/Include/XalanSet.hpp> 00033 00034 00035 00036 #include <xalanc/PlatformSupport/DOMStringHelper.hpp> 00037 00038 00039 00040 #include <xalanc/XPath/XObject.hpp> 00041 00042 00043 00044 XALAN_CPP_NAMESPACE_BEGIN 00045 00046 00047 00048 class XObjectPtr; 00049 00050 00051 00058 class XALAN_XSLT_EXPORT ExtensionFunctionHandler 00059 { 00060 00061 public: 00062 00069 ExtensionFunctionHandler(const XalanDOMString& namespaceUri, 00070 MemoryManagerType& theManager); 00071 00084 ExtensionFunctionHandler( 00085 MemoryManagerType& theManager, 00086 const XalanDOMString& namespaceUri, 00087 const XalanDOMString& funcNames, 00088 const XalanDOMString& lang, 00089 const XalanDOMString& srcURL, 00090 const XalanDOMString& scriptSrc); 00091 00092 00093 virtual 00094 ~ExtensionFunctionHandler(); 00095 00096 MemoryManagerType& 00097 getMemoryManager() 00098 { 00099 return m_namespaceUri.getMemoryManager(); 00100 } 00101 00108 virtual void 00109 setFunctions(const XalanDOMString& funcNames); 00110 00124 virtual void 00125 setScript( 00126 const XalanDOMString& lang, 00127 const XalanDOMString& srcURL, 00128 const XalanDOMString& scriptSrc); 00129 00136 virtual bool 00137 isFunctionAvailable(const XalanDOMString& function) const; 00138 00140 typedef XalanVector<void*> ArgVectorType; 00141 00142 typedef XalanSet<XalanDOMString> StringSetType; 00143 00160 virtual XObjectPtr 00161 callFunction( 00162 const XalanDOMString& funcName, 00163 const ArgVectorType& args); 00164 00165 protected: 00166 00167 XalanDOMString m_namespaceUri; // uri of the extension namespace 00168 XalanDOMString m_scriptLang; // scripting language of implementation 00169 XalanDOMString m_scriptSrc; // script source to run (if any) 00170 XalanDOMString m_scriptSrcURL; // URL of source of script (if any) 00171 00172 void* m_javaObject; // object for javaclass engine 00173 00174 StringSetType m_functions; // functions of namespace 00175 00176 // BSFManager mgr = new BSFManager (); // mgr used to run scripts 00177 00178 bool m_componentStarted; // true when the scripts in a 00179 00180 // component description (if any) have been run 00181 00189 virtual void 00190 startupComponent(); 00191 00192 static const XalanDOMChar s_tokenDelimiterCharacters[]; 00193 }; 00194 00195 00196 00197 XALAN_CPP_NAMESPACE_END 00198 00199 00200 00201 #endif // XALAN_EXTENSIONFUNCTIONHANDLER_HEADER_GUARD
Doxygen and GraphViz are used to generate this API documentation from the Xalan-C header files.
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