| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #if !defined(XPATHENVSUPPORTDEFAULT_HEADER_GUARD_1357924680) |
| #define XPATHENVSUPPORTDEFAULT_HEADER_GUARD_1357924680 |
| |
| |
| |
| // Base include file. Must be first. |
| #include <xalanc/XPath/XPathDefinitions.hpp> |
| #include <xalanc/XPath/XPathEnvSupport.hpp> |
| |
| |
| #include<xalanc/PlatformSupport/DOMStringHelper.hpp> |
| |
| |
| #include<xalanc/Include/XalanMap.hpp> |
| |
| |
| XALAN_CPP_NAMESPACE_BEGIN |
| |
| typedef XalanMap<XalanDOMString, const Function*> FunctionTableTypeDefinition; |
| XALAN_USES_MEMORY_MANAGER(FunctionTableTypeDefinition) |
| |
| |
| /** |
| * Dummy class in order to make the XPath object happy |
| * for diagnostic purposes. |
| * @author <a href="mailto:david_n_bertoni@us.ibm.com">David N. Bertoni</a> |
| */ |
| class XALAN_XPATH_EXPORT XPathEnvSupportDefault : public XPathEnvSupport |
| { |
| public: |
| |
| typedef XalanMap<XalanDOMString, XalanDocument*> SourceDocsTableType; |
| typedef FunctionTableTypeDefinition FunctionTableType; |
| typedef XalanMap<XalanDOMString, FunctionTableType> NamespaceFunctionTablesType; |
| |
| /** |
| * Perform initialization of statics -- must be called before any |
| * processing occurs. See class XPathInit. |
| */ |
| static void |
| initialize(MemoryManagerType& theManager); |
| |
| /** |
| * Perform termination of statics. See class XPathInit. |
| */ |
| static void |
| terminate(); |
| |
| |
| XPathEnvSupportDefault(MemoryManagerType& theManager XALAN_DEFAULT_MEMMGR); |
| |
| virtual |
| ~XPathEnvSupportDefault(); |
| |
| MemoryManagerType& |
| getMemoryManager() |
| { |
| return m_sourceDocs.getMemoryManager(); |
| } |
| |
| // Interfaces to install and uninstall external functions globally. |
| // These calls are not thread-safe, and should happen during |
| // processing. |
| |
| /** |
| * Install an external function in the global space. |
| * |
| * @param theNamespace The namespace for the functionl |
| * @param functionName The name of the function. |
| * @param function The function to install. |
| */ |
| static void |
| installExternalFunctionGlobal( |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName, |
| const Function& function); |
| |
| /** |
| * Uninstall an external function from the global space. |
| * |
| * @param theNamespace The namespace for the functionl |
| * @param functionName The name of the function. |
| */ |
| static void |
| uninstallExternalFunctionGlobal( |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName); |
| |
| // Interfaces to install and uninstall external functions in this instance. |
| |
| /** |
| * Install an external function in the local space. |
| * |
| * @param theNamespace The namespace for the functionl |
| * @param functionName The name of the function. |
| * @param function The function to install. |
| */ |
| virtual void |
| installExternalFunctionLocal( |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName, |
| const Function& function); |
| |
| /** |
| * Uninstall an external function from the local space. |
| * |
| * @param theNamespace The namespace for the functionl |
| * @param functionName The name of the function. |
| */ |
| virtual void |
| uninstallExternalFunctionLocal( |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName); |
| |
| |
| // These interfaces are inherited from XPathEnvSupport... |
| |
| virtual XalanDocument* |
| parseXML( |
| MemoryManagerType& theManager, |
| const XalanDOMString& urlString, |
| const XalanDOMString& base); |
| |
| virtual XalanDocument* |
| getSourceDocument(const XalanDOMString& theURI) const; |
| |
| virtual void |
| setSourceDocument( |
| const XalanDOMString& theURI, |
| XalanDocument* theDocument); |
| |
| virtual const XalanDOMString& |
| findURIFromDoc(const XalanDocument* owner) const; |
| |
| virtual bool |
| elementAvailable( |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& elementName) const; |
| |
| virtual bool |
| functionAvailable( |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName) const; |
| |
| virtual XObjectPtr |
| extFunction( |
| XPathExecutionContext& executionContext, |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName, |
| XalanNode* context, |
| const XObjectArgVectorType& argVec, |
| const LocatorType* locator) const; |
| |
| virtual bool |
| problem( |
| eSource where, |
| eClassification classification, |
| const PrefixResolver* resolver, |
| const XalanNode* sourceNode, |
| const XalanDOMString& msg, |
| const XalanDOMChar* uri, |
| int lineNo, |
| int charOffset) const; |
| |
| // These interfaces are inherited from Resettable... |
| |
| virtual void |
| reset(); |
| |
| // Delete functor for table cleanup... |
| struct NamespaceFunctionTableDeleteFunctor |
| { |
| typedef FunctionTableType FunctionTableInnerType; |
| typedef NamespaceFunctionTablesType NamespaceFunctionTablesInnerType; |
| |
| NamespaceFunctionTableDeleteFunctor(MemoryManagerType& theManager); |
| /** |
| * Delete the value object in a map value pair. The value of the pair must |
| * be of pointer type. |
| * |
| * @param thePair key-value pair |
| */ |
| void |
| operator()(const NamespaceFunctionTablesInnerType::value_type& thePair) const; |
| private: |
| MemoryManagerType& m_memMgr; |
| }; |
| |
| protected: |
| |
| /** |
| * Find an external function. |
| * |
| * @param theNamespace The namespace for the function. |
| * @param functionName The name of the function. |
| * @return a pointer to the function if found, or 0 if not found. |
| */ |
| const Function* |
| findFunction( |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName) const; |
| |
| private: |
| |
| // These are not implemented... |
| XPathEnvSupportDefault(const XPathEnvSupportDefault&); |
| |
| XPathEnvSupportDefault& |
| operator=(const XPathEnvSupportDefault&); |
| |
| bool |
| operator==(const XPathEnvSupportDefault&) const; |
| |
| /** |
| * Update the supplied function table. If the parameter |
| * function is 0, and a function with the supplied |
| * namespace and name exists in the table, it will be |
| * removed. If function is not 0, and a function with |
| * the supplied namespace and name exists in the table, |
| * it will be replaced with the new function. Otherwise, |
| * the function will be added. |
| * |
| * @param theNamespace The namespace for the functionl |
| * @param functionName The name of the function. |
| * @param function The function to install. |
| */ |
| static void |
| updateFunctionTable( |
| NamespaceFunctionTablesType& theTable, |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName, |
| const Function* function); |
| |
| /** |
| * Find an external function in the supplied table. |
| * |
| * @param theTable The table to search. |
| * @param theNamespace The namespace for the function. |
| * @param functionName The name of the function. |
| * @return a pointer to the function if found, or 0 if not found. |
| */ |
| const Function* |
| findFunction( |
| const NamespaceFunctionTablesType& theTable, |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName) const; |
| |
| // Data members... |
| |
| SourceDocsTableType m_sourceDocs; |
| |
| NamespaceFunctionTablesType m_externalFunctions; |
| |
| static NamespaceFunctionTablesType s_externalFunctions; |
| |
| static const XalanDOMString s_emptyString; |
| }; |
| |
| XALAN_CPP_NAMESPACE_END |
| |
| |
| |
| #endif // XPATHENVSUPPORTDEFAULT_HEADER_GUARD_1357924680 |