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 #if !defined(XPATHENVSUPPORT_HEADER_GUARD_1357924680) 00017 #define XPATHENVSUPPORT_HEADER_GUARD_1357924680 00018 00019 00020 00021 // Base include file. Must be first. 00022 #include <xalanc/XPath/XPathDefinitions.hpp> 00023 00024 00025 00026 // $$$ ToDo: Necessary while XalanDOMString is style a typedef. 00027 #include <xalanc/XalanDOM/XalanDOMString.hpp> 00028 00029 00030 00031 #include <xalanc/PlatformSupport/DOMStringHelper.hpp> 00032 00033 00034 00035 #include <xalanc/XPath/Function.hpp> 00036 00037 00038 00039 XALAN_DECLARE_XERCES_CLASS(Locator) 00040 00041 00042 00043 XALAN_CPP_NAMESPACE_BEGIN 00044 00045 00046 00050 class NodeRefListBase; 00051 class PrefixResolver; 00052 class XObject; 00053 class XPathExecutionContext; 00054 class XObjectFactory; 00055 class XalanDocument; 00056 class XalanElement; 00057 class XalanNode; 00058 class XalanQName; 00059 00060 00061 00062 class XALAN_XPATH_EXPORT XPathEnvSupport 00063 { 00064 public: 00065 00066 typedef XERCES_CPP_NAMESPACE_QUALIFIER Locator LocatorType; 00067 00068 typedef Function::XObjectArgVectorType XObjectArgVectorType; 00069 00070 XPathEnvSupport(); 00071 00072 virtual 00073 ~XPathEnvSupport(); 00074 00082 virtual XalanDocument* 00083 parseXML( 00084 MemoryManagerType& theManager, 00085 const XalanDOMString& urlString, 00086 const XalanDOMString& base) = 0; 00087 00094 virtual XalanDocument* 00095 getSourceDocument(const XalanDOMString& theURI) const = 0; 00096 00103 virtual void 00104 setSourceDocument( 00105 const XalanDOMString& theURI, 00106 XalanDocument* theDocument) = 0; 00107 00115 virtual const XalanDOMString& 00116 findURIFromDoc(const XalanDocument* owner) const = 0; 00117 00125 virtual bool 00126 elementAvailable( 00127 const XalanDOMString& theNamespace, 00128 const XalanDOMString& elementName) const = 0; 00129 00139 virtual bool 00140 functionAvailable( 00141 const XalanDOMString& theNamespace, 00142 const XalanDOMString& functionName) const = 0; 00143 00154 virtual XObjectPtr 00155 extFunction( 00156 XPathExecutionContext& executionContext, 00157 const XalanDOMString& theNamespace, 00158 const XalanDOMString& functionName, 00159 XalanNode* context, 00160 const XObjectArgVectorType& argVec, 00161 const LocatorType* locator) const = 0; 00162 00163 enum eSource { eXMLParser = 1, 00164 eXSLTProcessor = 2, 00165 eXPATHParser = 3, 00166 eXPATHProcessor = 4, 00167 eDataSource = 5 }; 00168 00169 enum eClassification { eMessage = 0, 00170 eWarning = 1, 00171 eError = 2 }; 00172 00189 virtual bool 00190 problem( 00191 eSource where, 00192 eClassification classification, 00193 const PrefixResolver* resolver, 00194 const XalanNode* sourceNode, 00195 const XalanDOMString& msg, 00196 const XalanDOMChar* uri, 00197 int lineNo, 00198 int charOffset) const = 0; 00199 00203 virtual void 00204 reset() = 0; 00205 00206 private: 00207 00208 // These are not implemented... 00209 XPathEnvSupport(const XPathEnvSupport&); 00210 00211 XPathEnvSupport& 00212 operator=(const XPathEnvSupport&); 00213 00214 bool 00215 operator==(const XPathEnvSupport&) const; 00216 }; 00217 00218 00219 00220 XALAN_CPP_NAMESPACE_END 00221 00222 00223 00224 #endif // XPATHENVSUPPORT_HEADER_GUARD_1357924680
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