C++ TParse类代码示例

void CTorrentRecognizer::DoRecognizeL(const TDesC &aName, const TDesC8 &/*aBuffer*/)
{
	iConfidence = ECertain;
	TParse parse;
    parse.Set(aName, NULL, NULL);
    TPtrC ext = parse.Ext();
    if (ext.CompareF(KTorrentExtension) == 0)
    {
        iConfidence = ECertain;
        iDataType = TDataType(KTorrentType);
    }
    else
    {
    	iConfidence = ENotRecognized;
    	iDataType = TDataType();
    }

	/*TFileName name=aName;
	name.LowerCase();

	if (name.Right(KTorrentExtension().Length()) == KTorrentExtension)
	{ 		
		iDataType = TDataType(KTorrentType);
		
		return; 
	}*/
}

EXPORT_C
#if defined (_DEBUG)
/**
Function to create log file
@param aFileName The descriptor that holds the name of the log file to be created.
@param aShowDate If set to 1, the date of creation of the log file is recorded.
@param aShowTime If set to 1, the time of creation of the log file is recorded.
*/
void THttpLogger::CreateFlogger(const TDesC& aFileName, TInt aShowDate, TInt aShowTime)
//
//	Create log file in directory KLogsdir\KWapLogsDirName - Note: ingore Drive and Path of aFilename
	{
	if(!iLogger)
		{
		iLogger = new RFileLogger;
		}

	if(iLogger)
		{
		TInt error = iLogger->Connect();
		if(error == KErrNone)
			{
			TParse p;
			p.Set(aFileName, NULL, NULL);
			iLogger->CreateLog(KHttpLogsDirName, p.NameAndExt(), EFileLoggingModeOverwrite);
			iLogger->SetDateAndTime(aShowDate, aShowTime);
			iLogger->Write(KTestHeader);
			}
		else
			User::InfoPrint(_L("Flogger connect failed"));
		}
	else
		User::InfoPrint(_L("Flogger create failed"));
	}

TInt CTestUtils::AppendMainLogL()
	{
	_LIT(KDisplayLogFile,"Log File %S\n");
	TParse loglocation;
	TFileName logfile;
	TInt err=ResolveLogFile(KNullDesC, loglocation);
	if(err!=KErrNone) 
		{
		iFs.MkDirAll(KMsvTestFileDefaultOutputBase);
		err=ResolveLogFile(KNullDesC, loglocation);
		}
	User::LeaveIfError(err);
	logfile.Copy(loglocation.FullName());
	logfile.Delete(logfile.Length()-1,1);
	AppendVariantName(logfile);
	iRTest.Printf(KDisplayLogFile, &logfile);
	iFs.MkDirAll(logfile);

	iLogBuf=HBufC::NewL(KMaxLogLineLength);
	iLogBuf8=HBufC8::NewL(KMaxLogLineLength);
	TInt pos=0;
	TInt ret=KErrNone;
	ret=iFile.Open(iFs,logfile,EFileWrite|EFileShareAny);
	if (ret==KErrNotFound)
		ret=iFile.Create(iFs,logfile,EFileWrite|EFileShareAny);
	if (ret==KErrNone)
		return(iFile.Seek(ESeekEnd,pos));
	else
		return(ret);
	}

EXPORT_C void CPrintSetup::AddPrinterDriverDirL(const TDesC& aDriverDir)
/** Adds a search path for printer drivers.

This function must be called before a model name list can be created. It can 
be called repeatedly to add a number of paths to the search list. 

When a printer model name list is requested (using ModelNameListL()), the 
directories specified in each of the search paths are scanned on all non-remote 
drives for .pdr files, indicating the models supported. If any path contains 
a drive, that drive alone is searched.

@param aDriverDir Path which specifies a directory in which to search for 
printer drivers. Any filename in the path is ignored. If the path is already 
in the list, it is not added again.
@leave KErrNoMemory There is insufficient memory to perform the operation. */
	{
	TParse parser;
	parser.Set(aDriverDir,NULL,NULL);
	for (TInt i=iDriverDirList->Count()-1 ; i>=0 ; i--)
		{
		if ( (*iDriverDirList)[i].CompareF(parser.DriveAndPath())==0 )
			return; // its already on the list, so dont add it again
		}
	iDriverDirList->AppendL(parser.DriveAndPath());
	}

// -----------------------------------------------------------------------------
// CWPInternetAPDB::CreateandOpenL
// -----------------------------------------------------------------------------
//    
void CSCOMOAdapterDb::CreateandOpenL(TParse& name)
    {

    TInt err;

#ifdef SYMBIAN_SECURE_DBMS
    iDatabase.Create(iRdbSession, name.FullName(), KDBMSSecureID);
#else
    if( SysUtil::FFSSpaceBelowCriticalLevelL( &iFsSession, KEmptyDbSizeEstimate ) )
        {
        User::Leave( KErrDiskFull );
        }
    iDatabase.Create(iFsSession, name.FullName());
#endif	

    CreateTableL(iDatabase);
    iDatabase.Close();
#ifdef SYMBIAN_SECURE_DBMS

    err = iDatabase.Open(iRdbSession, name.FullName(), KDBMSSecureID);

#else
    err = iDatabase.Open(iFsSession, DBFileName);
#endif

    //Debug
    if (err != KErrNone)
        {

        User::LeaveIfError(err);
        }

    }

// -----------------------------------------------------------------------------
// CbsUtils::FindAndOpenDefaultResourceFileLC
// Searches and opens the DLL default resource file.
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CbsUtils::FindAndOpenDefaultResourceFileLC(
    RFs& aFs,
    RResourceFile& aResFile )
{
    // default resource file path

    _LIT(KDirAndFile,"z:CbsServer.rsc");

    TParse* fp = new(ELeave) TParse();
    fp->Set(KDirAndFile, &KDC_RESOURCE_FILES_DIR, NULL);

    static const TInt KDefResFileSignature = 4;

    // Find the resource file
    TFileName fileName( fp->FullName() );
    BaflUtils::NearestLanguageFile( aFs, fileName );

    // Open the resource file
    aResFile.OpenL( aFs, fileName );
    // Push close operation in tbe cleanup stack
    CleanupClosePushL( aResFile );

    aResFile.ConfirmSignatureL( KDefResFileSignature );

    delete fp;
}

LOCAL_C void MainL()
/**
 * Main implementation
 */
	{
	CActiveScheduler* sched=NULL;
	sched=new(ELeave) CActiveScheduler;
	CActiveScheduler::Install(sched);
	CTeIpUpsSuite* server = NULL;
		
	CCommandLineArguments* args = CCommandLineArguments::NewLC();
	TPtrC exeName = args->Arg(0);
	TParse fullName;
	fullName.Set(exeName, NULL, NULL);
	CleanupStack::PopAndDestroy(args);
	
	// Create the CTestServer derived server
	TRAPD(err,server = CTeIpUpsSuite::NewL(fullName.Name()));
	if(!err)
		{
		// Sync with the client and enter the active scheduler
		RProcess::Rendezvous(KErrNone);
		sched->Start();
		}
	delete server;
	delete sched;
	}

void CQualityProfileApi_ProfileReadStep::InitializeQualityProfileInfoL()
	{
	RFs fs;
	User::LeaveIfError(fs.Connect());
	CleanupClosePushL(fs);

	TBuf<32> privatePath;
	User::LeaveIfError(fs.PrivatePath(privatePath));

	TParse parse;
	parse.Set(privatePath, NULL, NULL);
	parse.AddDir(KLbsDir);
	
	RArray<TQualityProfile> qualityArray;
	CleanupClosePushL(qualityArray);
	
	qualityArray.Reserve(5);

	// Only want to use the first file that is found.
	// The way TFindFile::FindByDir works, it will search
	// C: and D: before Z:, which is what we want.
	TFindFile findFile(fs);
	TInt err = findFile.FindByDir(KQualityProfileIniName, parse.Path());
	if (err == KErrNone)
		{
		GetQualityProfileInfoL(fs, qualityArray, findFile.File());
		}
	
	// Publish the quality profile info
	LbsQualityProfile::InitializeL(qualityArray);
	
	CleanupStack::PopAndDestroy(&qualityArray);
	CleanupStack::PopAndDestroy(&fs);
	}

HBufC* CScriptFile::ReadFileLC(const TDesC& aScript) const
	{
	HBufC8* file = NULL;

	TRAPD(err, file = ReadFileL(aScript));

	if (err)
		{
		TParse fileOut;
		err = iTestUtils.ResolveFile(*iComponent, aScript, fileOut);

		if (err)
			{
			iTestUtils.Test().Printf(_L("Cannot read file %S. Error=%d"), &aScript, err);
			User::Leave(err);
			}

		file = ReadFileL(fileOut.FullName());
		}

	CleanupStack::PushL(file);

	HBufC* buf = HBufC::NewL(file->Length());
	buf->Des().Copy(*file);
	CleanupStack::PopAndDestroy(file);
	CleanupStack::PushL(buf);
	return buf;
	}

void CNSmlDSSettings::CreateHiddenProfilesL()
	{
	TFileName fileName;
	Dll::FileName( fileName );
	TParse parse;

	parse.Set( KNSmlDSProfilesRsc, &fileName, NULL );
	fileName = parse.FullName();

	RResourceFile resourceFile; 
	BaflUtils::NearestLanguageFile( iFsSession, fileName );

	TRAPD(leavecode,resourceFile.OpenL( iFsSession,fileName));
	if(leavecode != 0)
		{
		return;
		}
	CleanupClosePushL(resourceFile);
	
	HBufC8* profileRes = resourceFile.AllocReadLC( NSML_DS_PROFILES );
	TResourceReader reader;
	reader.SetBuffer( profileRes );

	CNSmlDSResourceProfiles* profileResReader = CNSmlDSResourceProfiles::NewLC( reader, this );
	profileResReader->SaveProfilesL(iResourceProfileArray);
	CleanupStack::PopAndDestroy(3); // profileResReader, profileRes, resourceFile
	}

// -----------------------------------------------------------------------------
// DataFileL
// return data filename as a TParse
// -----------------------------------------------------------------------------
//
LOCAL_C TParse DataFileL(RFs& aFs)
    {
    TBuf<256> path;
    TParse p;
    User::LeaveIfError(aFs.PrivatePath(path));

#ifndef RD_MULTIPLE_DRIVE

    p.Set(KHelperServerDataStorage,&path,NULL);

#else //RD_MULTIPLE_DRIVE

    TInt driveNumber( -1 );
    TChar driveLetter;
    DriveInfo::GetDefaultDrive( DriveInfo::EDefaultSystem, driveNumber );
    aFs.DriveToChar( driveNumber, driveLetter );

    TFileName helperServerDataStorage;
    helperServerDataStorage.Format(
                    KHelperServerDataStorage, (TUint)driveLetter );

    p.Set( helperServerDataStorage, &path, NULL );

#endif

    return p;
    }

/**
Test CDictionaryFileStore construction, forcing a leave error at each
possible stage of the process.

@SYMTestCaseID          SYSLIB-STORE-CT-1190
@SYMTestCaseDesc	    Tests for CDictionaryFileStore construction under low memory conditions.
@SYMTestPriority 	    High
@SYMTestActions  	    Attempt for construction under low memory conditions.
@SYMTestExpectedResults Test must not fail
@SYMREQ                 REQ0000
*/
LOCAL_C void TestOOML()
	{
	test.Next(_L(" @SYMTestCaseID:SYSLIB-STORE-CT-1190 Construction under low memory conditions "));

	TDriveUnit drive(static_cast<TUint>(RFs::GetSystemDrive()));	
	TParse dicFilePath;
	dicFilePath.Set(drive.Name(), &KDicFilePath, NULL);
	
	TheFs.Delete(dicFilePath.FullName()); // delete the file
	TInt failRate=0;

	for (failRate=1;;failRate++)
		{
		__UHEAP_SETFAIL(RHeap::EDeterministic,failRate);
		__UHEAP_MARK;
		TRAPD(ret, AddEntryL());
		__UHEAP_MARKEND;
		if (ret==KErrNone)
			break;
		test (ret==KErrNoMemory);
		__UHEAP_RESET;
		test (!CheckEntryL());
		}
	__UHEAP_RESET;
	test (CheckEntryL());
	test.Printf(_L("  #allocs for update: %d\n"),failRate-1);
	//
	// tidy up
	}

// ---------------------------------------------------------
// CNSmlDsProvisioningAdapter::GetTitleL
// ---------------------------------------------------------
void CNSmlDsProvisioningAdapter::GetTitleL()
	{
	if( iTitle == 0 )
		{
		RFs	fs;
		User::LeaveIfError( fs.Connect() );
		CleanupClosePushL( fs );

		TFileName fileName;
		TParse parse;
		parse.Set( KNSmlDsPovisioningDirAndResource, &KDC_RESOURCE_FILES_DIR, NULL );
		fileName = parse.FullName();

		RResourceFile resourceFile;
		BaflUtils::NearestLanguageFile( fs, fileName );
		resourceFile.OpenL( fs, fileName );
		CleanupClosePushL( resourceFile );

		HBufC8* dataBuffer = resourceFile.AllocReadLC( R_SYNC_PROVISIONING_TITLE );
			
		TResourceReader reader;
		reader.SetBuffer( dataBuffer ); 
		iTitle = reader.ReadHBufC16L(); 
		CleanupStack::PopAndDestroy( 3 ); //fs, resourcefile, databuffer
		}
	}

void CSupLoginServiceProvider::ConstructL()
{
	__LOGSTR_TOFILE("CSupLoginServiceProvider::ConstructL() begins");

	// Form full path to credentials settings file
	RFs &fs = CCoeEnv::Static()->FsSession();

	TFileName privatePath;
	fs.PrivatePath(privatePath);
	TParse parser;
	TFileName processFileName(RProcess().FileName());
	User::LeaveIfError(parser.Set(KLoginProviderSettingsFilename, &privatePath, &processFileName));
	iSettingsFile = parser.FullName();

	// Read credentials from settings file
	ReadDataFromFileL();

	if (iMemberID && iUsername && iPassword)
		iLogged = ETrue;

	// Discover and retrieve description of the web service
	CSenXmlServiceDescription* serviceDesc = CSenXmlServiceDescription::NewLC( KServiceEndpointMemberId, KNullDesC8 );

	serviceDesc->SetFrameworkIdL(KDefaultBasicWebServicesFrameworkID);

	// Create connection to web service
	iConnection = CSenServiceConnection::NewL(*this, *serviceDesc);

	CleanupStack::PopAndDestroy(); // serviceDesc

	__LOGSTR_TOFILE("CSupLoginServiceProvider::ConstructL() ends");
}

void CSmsSendRecvTest::TestAddBifL(const TDesC& aBifName)
{
    iSmsTest.Printf(_L("\tAdd BIF: %S\n"), &aBifName);

    RFs& fs = iSmsTest.FileSession();
    TInt err = fs.MkDir(KBifDir);

    if (err != KErrAlreadyExists)
        User::LeaveIfError(err);

    TParse fileOut;
    err = iSmsTest.ResolveFile(KSmsComponent, aBifName, fileOut);

    if (err)
    {
        iSmsTest.Printf(_L("Test BIF %S not found! Continuing without this test\n"), &aBifName);
        return;
    }

    CFileMan* fileMan = CFileMan::NewL(fs);
    CleanupStack::PushL(fileMan);

    err = fileMan->Copy(fileOut.FullName(), KBifDir);

    if (err != KErrAlreadyExists)
        User::LeaveIfError(err);

    CleanupStack::PopAndDestroy(fileMan);

    User::After(KBifWait);
}