sl@0: // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include "UF_STD.H"
sl@0: 
sl@0: EXPORT_C RFileReadStream::RFileReadStream(RFile& aFile,TInt aPos)
sl@0: /** Constructs the read stream object, associates it with an already opened file, 
sl@0: and prepares the stream for reading.
sl@0: 
sl@0: @param aFile A reference to the opened file.
sl@0: @param aPos The offset into the file from where the stream is to be read. Defaults 
sl@0: to zero. */
sl@0: 	{
sl@0: 	Attach(aFile,aPos);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt RFileReadStream::Open(RFs& aFs,const TDesC& aName,TUint aFileMode)
sl@0: /** Opens a file containing a stream and prepares the stream for reading.
sl@0: 
sl@0: The stream will be read from offset zero in the file.
sl@0: 
sl@0: @param aFs Handle to a file server session.
sl@0: @param aName The full path name of the file.
sl@0: @param aFileMode The mode in which the file is to be accessed. The mode is 
sl@0: defined by by the TFileMode type.
sl@0: @return KErrNone, if successful; otherwise, one of the other system wide eror 
sl@0: codes. 
sl@0: @see TFileMode */
sl@0: 	{
sl@0: 	TInt r=iSource.Open(aFs,aName,aFileMode);
sl@0: 	if (r==KErrNone)
sl@0: 		RReadStream::Attach(&iSource);
sl@0: 	return r;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void RFileReadStream::Attach(RFile& aFile,TInt aPos)
sl@0: /** Associates this stream with an already opened file and prepares the stream 
sl@0: for reading.
sl@0: 
sl@0: @param aFile A reference to the opened file.
sl@0: @param aPos The offset into the file from where the stream is to be read. Defaults 
sl@0: to zero. */
sl@0: 	{
sl@0: 	iSource.Attach(aFile,aPos);
sl@0: 	RReadStream::Attach(&iSource);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C RFileWriteStream::RFileWriteStream(RFile& aFile,TInt aPos)
sl@0: /** Constructs the write stream object, associates it with an already opened file, 
sl@0: and prepares the stream for writing.
sl@0: 
sl@0: @param aFile A reference to the opened file.
sl@0: @param aPos The offset into the file where the stream is to be written. Defaults 
sl@0: to zero. */
sl@0: 	{
sl@0: 	Attach(aFile,aPos);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt RFileWriteStream::Open(RFs& aFs,const TDesC& aName,TUint aFileMode)
sl@0: /** Opens a file containing a stream and prepares the stream for writing.
sl@0: 
sl@0: The stream will be written to offset zero in the file.
sl@0: 
sl@0: @param aFs Handle to a file server session.
sl@0: @param aName The full path name of the file.
sl@0: @param aFileMode The mode in which the file is to be accessed. The mode is 
sl@0: defined by by the TFileMode type.
sl@0: @return KErrNone, if successful; otherwise, one of the other system wide error 
sl@0: codes.
sl@0: @see TFileMode */
sl@0: 	{
sl@0: 	TInt r=iSink.Open(aFs,aName,aFileMode);
sl@0: 	if (r==KErrNone)
sl@0: 		RWriteStream::Attach(&iSink);
sl@0: 	return r;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt RFileWriteStream::Create(RFs& aFs,const TDesC& aName,TUint aFileMode)
sl@0: /** Creates a new file, associates it with this stream, and prepares the stream 
sl@0: for writing.
sl@0: 
sl@0: The stream will be written to offset zero in the file.
sl@0: 
sl@0: @param aFs Handle to a file server session.
sl@0: @param aName The full path name of the new file. A file with this name must 
sl@0: not already exist. 
sl@0: @param aFileMode The mode in which the file is to be accessed. The mode is 
sl@0: defined by by the TFileMode type.
sl@0: @return KErrNone, if successful; otherwise, one of the other system wide error 
sl@0: codes.
sl@0: @see TFileMode */
sl@0: 	{
sl@0: 	TInt r=iSink.Create(aFs,aName,aFileMode);
sl@0: 	if (r==KErrNone)
sl@0: 		RWriteStream::Attach(&iSink);
sl@0: 	return r;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt RFileWriteStream::Replace(RFs& aFs,const TDesC& aName,TUint aFileMode)
sl@0: /** Creates a new file, associates the file with this stream, and prepares the 
sl@0: stream for writing.
sl@0: 
sl@0: The file replaces any existing file of the same name.
sl@0: 
sl@0: The stream will be written to offset zero in the file.
sl@0: 
sl@0: @param aFs Handle to a file server session.
sl@0: @param aName The full path name of the file.
sl@0: @param aFileMode The mode in which the file is to be accessed. The mode is 
sl@0: defined by by the TFileMode type.
sl@0: @return KErrNone, if successful; otherwise, one of the other system wide error 
sl@0: codes.
sl@0: @see TFileMode */
sl@0: 	{
sl@0: 	TInt r=iSink.Replace(aFs,aName,aFileMode);
sl@0: 	if (r==KErrNone)
sl@0: 		RWriteStream::Attach(&iSink);
sl@0: 	return r;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt RFileWriteStream::Temp(RFs& aFs,const TDesC& aPath,TFileName& aName,TUint aFileMode)
sl@0: /** Creates a temporary file, associates it with this stream, and prepares the 
sl@0: stream for writing.
sl@0: 
sl@0: The new file is created in the specified path and a unique file name is generated 
sl@0: by the file server.
sl@0: 
sl@0: Note that the store framework does not delete a temporary file after it is 
sl@0: closed.
sl@0: 
sl@0: The stream will be written to offset zero in the file.
sl@0: 
sl@0: @param aFs Handle to a file server session.
sl@0: @param aPath The path where the new file is to be created.
sl@0: @param aName On return, contains the full path name of the new file.
sl@0: @param aFileMode The mode in which the file is to be accessed. The mode is 
sl@0: defined by by the TFileMode type.
sl@0: @return KErrNone, if successful; otherwise, one of the other system wide error 
sl@0: codes.
sl@0: @see TFileMode */
sl@0: 	{
sl@0: 	TInt r=iSink.Temp(aFs,aPath,aName,aFileMode);
sl@0: 	if (r==KErrNone)
sl@0: 		RWriteStream::Attach(&iSink);
sl@0: 	return r;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void RFileWriteStream::Attach(RFile& aFile,TInt aPos)
sl@0: /** Associates this stream with an already opened file and prepares the stream 
sl@0: for writing.
sl@0: 
sl@0: @param aFile A reference to the opened file.
sl@0: @param aPos The offset into the file where the stream is to be written. Defaults 
sl@0: to zero. */
sl@0: 	{
sl@0: 	iSink.Attach(aFile,aPos);
sl@0: 	RWriteStream::Attach(&iSink);
sl@0: 	}
sl@0: