// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of the License "Eclipse Public License v1.0"

 // which accompanies this distribution, and is available

 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 // f32\sfsrv\cl_drive.cpp

 // 

 //

 #include "cl_std.h"

 EXPORT_C TDriveUnit::TDriveUnit(TInt aDrive)

 /**

 Constructor taking a drive number.

 @param aDrive The drive number.

 @panic FSCLIENT 0 if aDrive is greater than or equal to KMaxDrives or less than 0.

 @see KMaxDrives

 */

 	{

 	__ASSERT_ALWAYS((aDrive>=0 && aDrive<KMaxDrives),Panic(EDriveUnitBadDrive));

 	iDrive=aDrive;

 	}

 EXPORT_C TDriveUnit::TDriveUnit(const TDesC& aDriveText)

 /**

 Constructor taking a drive letter.

 @param aDriveText A descriptor containing text whose first character is

                   the drive letter. Can be upper or lower case. Trailing text

                   is ignored.

 @panic FSCLIENT 1 if the drive letter is invalid, i.e. does not correspond

        to a drive number.

 @see RFs::CharToDrive

 */

 	{

 	__ASSERT_ALWAYS(RFs::CharToDrive(aDriveText[0],iDrive)==0,Panic(EDriveUnitBadDriveText));

 	}

 EXPORT_C TDriveUnit& TDriveUnit::operator=(TInt aDrive)

 /**

 Assigns the drive number to the drive unit

 @param aDrive The new drive number.

 @return A reference to this drive unit. 

 @panic FSCLIENT 0 if aDrive is greater than or equal to KMaxDrives.

 @see KMaxDrives

 */

 	{

 	__ASSERT_ALWAYS(aDrive<KMaxDrives,Panic(EDriveUnitBadDrive));

 	iDrive=aDrive;

 	return *this;

 	}

 EXPORT_C TDriveUnit& TDriveUnit::operator=(const TDesC& aDriveText)

 /**

 Assigns a drive letter to the drive unit.

 The letter must be between A and Z or a panic is raised. Any trailing

 text within the descriptor is ignored.

 @param aDriveText Descriptor containing text whose first character is

                   the drive letter. It can be upper or lower case.

 @return A reference to this drive unit. 

 @panic FSCLIENT 1 if the drive letter is invalid, i.e. does not correspond

        to a drive number.

 @see RFs::CharToDrive                  

 */

 	{

 	__ASSERT_ALWAYS(RFs::CharToDrive(aDriveText[0],iDrive)==0,Panic(EDriveUnitBadDriveText));

 	return *this;

 	}

 EXPORT_C TDriveName TDriveUnit::Name() const

 /**

 Gets the drive unit as text.

 The drive letter is returned with a trailing colon.

 @return The drive letter and a trailing colon.

 @panic FSCLIENT 0 if RFs::DriveToChar() returned an error.

 */

 	{

 	TChar driveLetter;

 	TInt r = RFs::DriveToChar(iDrive,driveLetter);

 	__ASSERT_ALWAYS(r == KErrNone, Panic(EDriveUnitBadDrive));

 	TDriveName driveName;

 	driveName.SetLength(2);

 	driveName[0]=(TText)driveLetter;

 	driveName[1]=KDriveDelimiter;

 	return driveName;

 	}