00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * 00005 * Copyright (c) 1999 The Apache Software Foundation. All rights 00006 * reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 00015 * 2. Redistributions in binary form must reproduce the above copyright 00016 * notice, this list of conditions and the following disclaimer in 00017 * the documentation and/or other materials provided with the 00018 * distribution. 00019 * 00020 * 3. The end-user documentation included with the redistribution, 00021 * if any, must include the following acknowledgment: 00022 * "This product includes software developed by the 00023 * Apache Software Foundation (http://www.apache.org/)." 00024 * Alternately, this acknowledgment may appear in the software itself, 00025 * if and wherever such third-party acknowledgments normally appear. 00026 * 00027 * 4. The names "Xalan" and "Apache Software Foundation" must 00028 * not be used to endorse or promote products derived from this 00029 * software without prior written permission. For written 00030 * permission, please contact apache@apache.org. 00031 * 00032 * 5. Products derived from this software may not be called "Apache", 00033 * nor may "Apache" appear in their name, without prior written 00034 * permission of the Apache Software Foundation. 00035 * 00036 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00037 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00038 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00039 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00040 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00041 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00042 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00043 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00044 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00045 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00046 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00047 * SUCH DAMAGE. 00048 * ==================================================================== 00049 * 00050 * This software consists of voluntary contributions made by many 00051 * individuals on behalf of the Apache Software Foundation and was 00052 * originally based on software copyright (c) 1999, International 00053 * Business Machines, Inc., http://www.ibm.com. For more 00054 * information on the Apache Software Foundation, please see 00055 * <http://www.apache.org/>. 00056 * 00057 * $ Id: $ 00058 * 00059 */ 00060 00061 #if !defined(XALAN_EXTENSIONFUNCTIONHANDLER_HEADER_GUARD) 00062 #define XALAN_EXTENSIONFUNCTIONHANDLER_HEADER_GUARD 00063 00064 00065 00066 // Base include file. Must be first. 00067 #include <XSLT/XSLTDefinitions.hpp> 00068 00069 00070 00071 #include <set> 00072 #include <vector> 00073 00074 00075 00076 #include <PlatformSupport/DOMStringHelper.hpp> 00077 00078 00079 00080 #include <XPath/XObject.hpp> 00081 00082 00083 00084 class XObjectPtr; 00085 00086 00087 00094 class XALAN_XSLT_EXPORT ExtensionFunctionHandler 00095 { 00096 00097 public: 00098 00105 ExtensionFunctionHandler(const XalanDOMString& namespaceUri); 00106 00119 ExtensionFunctionHandler( 00120 const XalanDOMString& namespaceUri, 00121 const XalanDOMString& funcNames, 00122 const XalanDOMString& lang, 00123 const XalanDOMString& srcURL, 00124 const XalanDOMString& scriptSrc); 00125 00126 00127 virtual 00128 ~ExtensionFunctionHandler(); 00129 00136 virtual void 00137 setFunctions(const XalanDOMString& funcNames); 00138 00152 virtual void 00153 setScript( 00154 const XalanDOMString& lang, 00155 const XalanDOMString& srcURL, 00156 const XalanDOMString& scriptSrc); 00157 00164 virtual bool 00165 isFunctionAvailable(const XalanDOMString& function) const; 00166 00168 #if defined(XALAN_NO_NAMESPACES) 00169 typedef vector<void*> ArgVectorType; 00170 typedef set<XalanDOMString, less<XalanDOMString> > StringSetType; 00171 #else 00172 typedef std::vector<void*> ArgVectorType; 00173 typedef std::set<XalanDOMString> StringSetType; 00174 #endif 00175 00191 00192 virtual XObjectPtr 00193 callFunction( 00194 const XalanDOMString& funcName, 00195 const ArgVectorType& args); 00196 00197 protected: 00198 00199 XalanDOMString m_namespaceUri; // uri of the extension namespace 00200 XalanDOMString m_scriptLang; // scripting language of implementation 00201 XalanDOMString m_scriptSrc; // script source to run (if any) 00202 XalanDOMString m_scriptSrcURL; // URL of source of script (if any) 00203 00204 void* m_javaObject; // object for javaclass engine 00205 00206 StringSetType m_functions; // functions of namespace 00207 00208 // BSFManager mgr = new BSFManager (); // mgr used to run scripts 00209 00210 bool m_componentStarted; // true when the scripts in a 00211 00212 // component description (if any) have been run 00213 00221 virtual void 00222 startupComponent(); 00223 00224 static const XalanDOMChar s_tokenDelimiterCharacters[]; 00225 }; 00226 00227 00228 00229 #endif // XALAN_EXTENSIONFUNCTIONHANDLER_HEADER_GUARD
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