## Xalan-C++ API Documentation

### The Xalan C++ XSLT Processor Version 1.10

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# XPathEnvSupportDefault.hpp

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    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(XPATHENVSUPPORTDEFAULT_HEADER_GUARD_1357924680)
    00017 #define XPATHENVSUPPORTDEFAULT_HEADER_GUARD_1357924680
    00018
    00019
    00020
    00021 // Base include file.  Must be first.
    00022 #include <xalanc/XPath/XPathDefinitions.hpp>
    00023 #include <xalanc/XPath/XPathEnvSupport.hpp>
    00024
    00025
    00026 #include<xalanc/PlatformSupport/DOMStringHelper.hpp>
    00027
    00028
    00029 #include<xalanc/Include/XalanMap.hpp>
    00030
    00031
    00032 XALAN_CPP_NAMESPACE_BEGIN
    00033
    00034 typedef XalanMap<XalanDOMString, const Function*>   FunctionTableTypeDefinition;
    00035 XALAN_USES_MEMORY_MANAGER(FunctionTableTypeDefinition)
    00036
    00037
    00043 class XALAN_XPATH_EXPORT XPathEnvSupportDefault : public XPathEnvSupport
    00044 {
    00045 public:
    00046
    00047     typedef XalanMap<XalanDOMString, XalanDocument*>    SourceDocsTableType;
    00048     typedef FunctionTableTypeDefinition                         FunctionTableType;
    00049     typedef XalanMap<XalanDOMString, FunctionTableType> NamespaceFunctionTablesType;
    00050
    00055     static void
    00056     initialize(MemoryManagerType&  theManager);
    00057
    00061     static void
    00062     terminate();
    00063
    00064
    00065     XPathEnvSupportDefault(MemoryManagerType&  theManager XALAN_DEFAULT_MEMMGR);
    00066
    00067     virtual
    00068     ~XPathEnvSupportDefault();
    00069
    00070     MemoryManagerType&
    00071     getMemoryManager()
    00072     {
    00073         return m_sourceDocs.getMemoryManager();
    00074     }
    00075
    00076     // Interfaces to install and uninstall external functions globally.
    00077     // These calls are not thread-safe, and should happen during
    00078     // processing.
    00079
    00087     static void
    00088     installExternalFunctionGlobal(
    00089             const XalanDOMString&   theNamespace,
    00090             const XalanDOMString&   functionName,
    00091             const Function&         function);
    00092
    00099     static void
    00100     uninstallExternalFunctionGlobal(
    00101             const XalanDOMString&   theNamespace,
    00102             const XalanDOMString&   functionName);
    00103
    00104     // Interfaces to install and uninstall external functions in this instance.
    00105
    00113     virtual void
    00114     installExternalFunctionLocal(
    00115             const XalanDOMString&   theNamespace,
    00116             const XalanDOMString&   functionName,
    00117             const Function&         function);
    00118
    00125     virtual void
    00126     uninstallExternalFunctionLocal(
    00127             const XalanDOMString&   theNamespace,
    00128             const XalanDOMString&   functionName);
    00129
    00130
    00131     // These interfaces are inherited from XPathEnvSupport...
    00132
    00133     virtual XalanDocument*
    00134     parseXML(
    00135             MemoryManagerType&      theManager,
    00136             const XalanDOMString&   urlString,
    00137             const XalanDOMString&   base);
    00138
    00139     virtual XalanDocument*
    00140     getSourceDocument(const XalanDOMString& theURI) const;
    00141
    00142     virtual void
    00143     setSourceDocument(
    00144             const XalanDOMString&   theURI,
    00145             XalanDocument*          theDocument);
    00146
    00147     virtual const XalanDOMString&
    00148     findURIFromDoc(const XalanDocument*     owner) const;
    00149
    00150     virtual bool
    00151     elementAvailable(
    00152             const XalanDOMString&   theNamespace,
    00153             const XalanDOMString&   elementName) const;
    00154
    00155     virtual bool
    00156     functionAvailable(
    00157             const XalanDOMString&   theNamespace,
    00158             const XalanDOMString&   functionName) const;
    00159
    00160     virtual XObjectPtr
    00161     extFunction(
    00162             XPathExecutionContext&          executionContext,
    00163             const XalanDOMString&           theNamespace,
    00164             const XalanDOMString&           functionName,
    00165             XalanNode*                      context,
    00166             const XObjectArgVectorType&     argVec,
    00167             const LocatorType*              locator) const;
    00168
    00169     virtual bool
    00170     problem(
    00171             eSource                 where,
    00172             eClassification         classification,
    00173             const PrefixResolver*   resolver,
    00174             const XalanNode*        sourceNode,
    00175             const XalanDOMString&   msg,
    00176             const XalanDOMChar*     uri,
    00177             int                     lineNo,
    00178             int                     charOffset) const;
    00179
    00180     // These interfaces are inherited from Resettable...
    00181
    00182     virtual void
    00183     reset();
    00184
    00185     // Delete functor for table cleanup...
    00186     struct NamespaceFunctionTableDeleteFunctor
    00187     {
    00188         typedef FunctionTableType               FunctionTableInnerType;
    00189         typedef NamespaceFunctionTablesType     NamespaceFunctionTablesInnerType;
    00190
    00191         NamespaceFunctionTableDeleteFunctor(MemoryManagerType& theManager);
    00198         void
    00199         operator()(const NamespaceFunctionTablesInnerType::value_type&  thePair) const;
    00200     private:
    00201         MemoryManagerType& m_memMgr;
    00202     };
    00203
    00204 protected:
    00205
    00213     const Function*
    00214     findFunction(
    00215             const XalanDOMString&   theNamespace,
    00216             const XalanDOMString&   functionName) const;
    00217
    00218 private:
    00219
    00220     // These are not implemented...
    00221     XPathEnvSupportDefault(const XPathEnvSupportDefault&);
    00222
    00223     XPathEnvSupportDefault&
    00224     operator=(const XPathEnvSupportDefault&);
    00225
    00226     bool
    00227     operator==(const XPathEnvSupportDefault&) const;
    00228
    00242     static void
    00243     updateFunctionTable(
    00244             NamespaceFunctionTablesType&    theTable,
    00245             const XalanDOMString&           theNamespace,
    00246             const XalanDOMString&           functionName,
    00247             const Function*                 function);
    00248
    00257     const Function*
    00258     findFunction(
    00259             const NamespaceFunctionTablesType&  theTable,
    00260             const XalanDOMString&               theNamespace,
    00261             const XalanDOMString&               functionName) const;
    00262
    00263     // Data members...
    00264
    00265     SourceDocsTableType                     m_sourceDocs;
    00266
    00267     NamespaceFunctionTablesType             m_externalFunctions;
    00268
    00269     static NamespaceFunctionTablesType      s_externalFunctions;
    00270
    00271     static const XalanDOMString             s_emptyString;
    00272 };
    00273
    00274 XALAN_CPP_NAMESPACE_END
    00275
    00276
    00277
    00278 #endif  // XPATHENVSUPPORTDEFAULT_HEADER_GUARD_1357924680

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Xalan-C++ XSLT Processor Version 1.10 Copyright © 1999-2004 The Apache Software Foundation. All Rights Reserved.