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How to parse XML file using CParser class


Reviewer Approved    
The following example shows how to parse XML file using Symbian OS C++ class, CParser. CParser is basically a SAX (Simple API for XML)-based XML parser.
It uses an active object to read the XML file chunk by chunk (see CXmlHandler::StartParsingWithAoL() method). On each chunk, it passes the buffer to the XML parser. When the XML parser finds an element, it calls the respective callback functions, for example CXmlHandler::OnStartElementL() or CXmlHandler::OnEndElementL().
To use CParser class, the XmlFramework.lib has to be included in the .mmp file. For more information about CParser, please visit some links at the end of this page.
Contents
[hide]
 1 XmlHandler.h
 2 XmlHandler.cpp
 3 download example
 4 See Also
[edit] XmlHandler.h
#ifndef __XMLHANDLER_H__
#define __XMLHANDLER_H__
 
// INCLUDE FILES
#include <e32base.h>
#include <f32file.h>  //Link against efsrv.lib
#include <xml\contenthandler.h> // for MContentHandler
#include <xml\parser.h> // for CParser
 
// CLASS DECLARATION
 
using namespace Xml;
 
class CXmlHandler: public CActive, MContentHandler
    {
 
public: // Constructors and destructor
 
    static CXmlHandler* NewL();
 
    static CXmlHandler* NewLC();
 
    virtual ~CXmlHandler();
 
public: // Public methods
 
    void StartParsingWithAoL( const TDesC& aFileName );
 
private: // Constructors
 
    CXmlHandler();
 
    void ConstructL();
 
private: // from CActive
 
    void DoCancel();
 
    void RunL();
 
private: // from MContentHandler
 
    void OnStartDocumentL( const RDocumentParameters &aDocParam,
  &n


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