senxmlreader.h

00001 /*
00002 * ==============================================================================
00003 *  Name        : SenXmlReader.h
00004 *  Part of     : Web Services Xml
00005 *  Interface   : 
00006 *  Description : Class extends Symbian XML framework parser functionality
00007 *  Version     : 
00008 *
00009 *  Copyright © 2002-2005 Nokia. All rights reserved.
00010 *  This material, including documentation and any related 
00011 *  computer programs, is protected by copyright controlled by 
00012 *  Nokia. All rights are reserved. Copying, including 
00013 *  reproducing, storing, adapting or translating, any 
00014 *  or all of this material requires the prior written consent of 
00015 *  Nokia. This material also contains confidential 
00016 *  information which may not be disclosed to others without the 
00017 *  prior written consent of Nokia.
00018 * ==============================================================================
00019 */
00020 
00021 #ifndef __SENXMLREADER_H
00022 #define __SENXMLREADER_H
00023 
00024 //  INCLUDES
00025 #include <xml\Parser.h>
00026 #include <xml\ParserFeature.h> // for TParserFeature enumeration
00027 #include <xml\ContentHandler.h>
00028 #include <badesca.h>
00029 
00030 using namespace Xml;
00031 
00032 // CONSTANTS
00033 const TInt KSenDefaultParserFeature = (TInt)EReportNamespaceMapping;
00034 
00035 // FORWARD DECLARATIONS
00036 class MSenContentHandlerClient;
00037 class RFs;
00038 
00039 // CLASS DECLARATION
00040 
00049 class CSenXmlReader : public CBase, public MContentHandler
00050         {
00051         public:  // Constructors and destructor
00052         
00058                 IMPORT_C static CSenXmlReader* NewL();
00059 
00066                 IMPORT_C static CSenXmlReader* NewLC();
00067 
00077                 IMPORT_C static CSenXmlReader* NewL(TInt aParserFeature);
00078 
00088                 IMPORT_C static CSenXmlReader* NewLC(TInt aParserFeature);
00089         
00093                 IMPORT_C virtual ~CSenXmlReader();
00094 
00095         // New functions
00096 
00103                 IMPORT_C virtual void SetContentHandler(
00104                                         MSenContentHandlerClient& aContentHandler);
00105 
00111                 IMPORT_C virtual TInt EnabledParserFeature();
00112 
00116                 IMPORT_C virtual TInt ParserFeature();
00117 
00126                 TInt SetParserFeature(TInt aParserFeature);             
00127 
00133                 IMPORT_C void ParseL(const TDesC8& aBuff);
00134 
00141                 IMPORT_C void ParseL(RFs &aRFs, const TDesC& aFileToParse);
00142                 
00143                 // Functions from base classes 
00144         
00145                 // Callback functions implementing Symbian MContentHandler interface
00146 
00155                 virtual void OnStartDocumentL(const RDocumentParameters& aDocParam, 
00156                                                                           TInt aErrorCode);
00157 
00166                 virtual void OnEndDocumentL(TInt aErrorCode);
00167 
00176                 virtual void OnStartElementL(const RTagInfo& aElement, 
00177                                                                          const RAttributeArray& aAttributes, 
00178                                                                          TInt aErrorCode);
00179 
00188                 virtual void OnEndElementL(const RTagInfo& aElement, TInt aErrorCode);
00189 
00196                 virtual void OnContentL(const TDesC8& aBytes, TInt aErrorCode);
00197 
00206                 virtual void OnStartPrefixMappingL(const RString& aPrefix, 
00207                                                                                    const RString& aUri, 
00208                                                                                    TInt aErrorCode);
00209 
00218                 virtual void OnEndPrefixMappingL(const RString& aPrefix, TInt aErrorCode);
00219 
00228                 virtual void OnIgnorableWhiteSpaceL(const TDesC8& aBytes, TInt aErrorCode);
00229 
00238                 virtual void OnSkippedEntityL(const RString& aName, TInt aErrorCode);
00239 
00248                 virtual void OnProcessingInstructionL(const TDesC8& aTarget, 
00249                                                                                           const TDesC8& aData, 
00250                                                                                           TInt aErrorCode);
00251 
00260                 virtual void OnError(TInt aErrorCode);
00261 
00274                 virtual TAny* GetExtendedInterface(const TInt32 aUid);                  
00275 
00276         protected:
00277                 
00281                 IMPORT_C CSenXmlReader(TInt aParserFeature);
00282                 
00286                 void ConstructL();
00287                 
00288                 // New functions
00289                 
00294                 void RecreateParserL();
00295                         
00296         private: // Data
00297         // Owned instance of Symbian XML framework (default) XML parser
00298                 CParser* iParser;
00299                 // Not owned pointer to XML content handler.
00300                 MSenContentHandlerClient* iContentHandler;
00301                 // Owned pointer to XML namespace prefix strings
00302                 CDesC8Array* ipNsPrefixes;
00303                 // Owned pointer to XML namespace URI strings
00304                 CDesC8Array* ipNsUris;
00305                 // Owned string pool for XML attribute handling.
00306                 RStringPool iStringPool;
00307         // Integer indicating currently enabled features
00308                 TInt iEnabledFeature;
00309         };
00310 
00311 // __SENXMLREADER_H
00312 #endif
00313             
00314 // End of File
00315