examples/AppServices/versit/VersitExample.cpp

/*
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Description: This example demonstrates a vCard parser  
*/



#include <e32base.h>
#include <e32cons.h>
#include <vcard.h>
#include <versit.h>
#include "VersitExample.h"

// Global definition
static CConsoleBase* gConsole;

// name of file to write the vCard to
_LIT(KVCardFileJIS,"\\Private\\E8000094\\charsetJIS.vcf");

// string for display
_LIT(KMsgPressAnyKey,"\n\nPress any key to continue\n");

CExampleVersit* CExampleVersit::NewL()
        {
        CExampleVersit* self = new (ELeave) CExampleVersit();
        CleanupStack::PushL(self);
        self->ConstructL();
        CleanupStack::Pop(self);
        return self;
        }
        
void CExampleVersit::ConstructL()
        {
        iParser = CParserVCard::NewL();
        }       
        
CExampleVersit::~CExampleVersit()       
        {
        delete iParser;
        iFsSession .Close();
        }

// Externalises a vCard to a file
void CExampleVersit::ExternalizeToFileL(const TDesC& aFileName)
        {
        RFile file;
        iFsSession.Connect();
        // create the private directory (\Private\E8000094\) on writable drive
        User::LeaveIfError(iFsSession.CreatePrivatePath(RFs::GetSystemDrive()));
        User::LeaveIfError(file.Replace(iFsSession, aFileName, EFileWrite));
        CleanupClosePushL(file);
        iParser->ExternalizeL(file);
        CleanupStack::PopAndDestroy(&file);
        }

// Internalises a vCard from a file
void CExampleVersit::InternalizeFromFileL(RFile& aInputFile)
        {
        TInt size;
        if (aInputFile.Size(size)==KErrNone)
                {
                delete iParser;
                iParser = NULL;

                iParser = CParserVCard::NewL();
                RFileReadStream stream(aInputFile);
                CleanupClosePushL(stream);
                iParser->InternalizeL(stream);
                CleanupStack::PopAndDestroy(&stream);
                }
        }

// Creates a vCard containing a note property and a character set property parameter.
// Then externalizes the vCard to a file.
void CExampleVersit::CreateAndExternalizeVCardL()
        {
        //create a property value to hold some text
        _LIT(KNote,"\x4e79\x4f19\x5032");
        CParserPropertyValue* value=CParserPropertyValueHBufC::NewL(KNote);
        CleanupStack::PushL(value);

        CArrayPtr<CParserParam>* arrayOfParams = new(ELeave)CArrayPtrFlat<CParserParam>(5);
        CleanupStack::PushL(arrayOfParams);

        // Add a character set property parameter
        CParserParam* parserParam=CParserParam::NewL(KVersitTokenCHARSET,KVersitTokenJIS);
        CleanupStack::PushL(parserParam);
        arrayOfParams->AppendL(parserParam);
        CleanupStack::Pop(parserParam);

        // create the NOTE property
        CParserGroupedProperty* property=CParserGroupedProperty::NewL(*value,KVersitTokenNOTE,NULL,arrayOfParams);

        CleanupStack::Pop(2,value); // value, arrayOfParams
        CleanupStack::PushL(property);

        // Add the property to the vCard
        iParser->AddPropertyL(property);
        CleanupStack::Pop(property);
        //Sets the default transformation format
        iParser->SetDefaultCharSet(Versit::EJISCharSet);
        ExternalizeToFileL(KVCardFileJIS);
        }
        
//Internalize the VCard
void CExampleVersit::InternalizeVCardL()
        {
        RFile file;
        TInt err=file.Open(iFsSession,KVCardFileJIS,EFileRead);
        User::LeaveIfError(err);
        CleanupClosePushL(file);
        InternalizeFromFileL(file);
        CleanupStack::PopAndDestroy(&file);
        
        _LIT(KConsoleMessage1, "vCard has been successfully internalised from a file");
        gConsole->Printf(KConsoleMessage1);
        }

void CExampleVersit::EgVersitL()
        {
        CreateAndExternalizeVCardL();
        InternalizeVCardL();
        }

static void DoExampleL()
        {
        // Create the console to print the messages to.
        _LIT(KConsoleMessageDisplay, "Versit Example");
        _LIT(KConsoleStars,"\n*************************\n");
        gConsole = Console::NewL(KConsoleMessageDisplay,TSize(KConsFullScreen,KConsFullScreen));
        CleanupStack::PushL(gConsole);
        gConsole->Printf(KConsoleMessageDisplay);
        gConsole->Printf(KConsoleStars);

        CExampleVersit* egVersit= CExampleVersit::NewL();
        TRAPD(err, egVersit->EgVersitL());
        if (err)
                {
                _LIT(KFailed,"\n\nExample failed: leave code=%d");
                gConsole->Printf(KFailed, err);
                }
        delete egVersit;        
        // wait for user to press a key before destroying gConsole
        gConsole->Printf(KMsgPressAnyKey);
        gConsole->Getch();
        CleanupStack::PopAndDestroy(gConsole);
        }

// Standard entry point function
TInt E32Main()
        {
        __UHEAP_MARK;
        // Active scheduler required as this is a console app
        CActiveScheduler* scheduler=new CActiveScheduler;
        // If active scheduler has been created, install it.
        if (scheduler)
                {
                CActiveScheduler::Install(scheduler);
                // Cleanup stack needed
                CTrapCleanup* cleanup=CTrapCleanup::New();
                if (cleanup)
                        {
                        TRAP_IGNORE(DoExampleL());
                        delete cleanup;
                        }
                delete scheduler;
                } 
        __UHEAP_MARKEND;
        return KErrNone;
        }

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