Class RFileReadStream

class RFileReadStream : public RReadStream;

Description

Supports the reading of a stream from a file.

Derivation

• RReadStream - The read stream interface

• RFileReadStream - Supports the reading of a stream from a file

Members

Defined in RFileReadStream:
Attach(), Open(), RFileReadStream(), RFileReadStream()

Inherited from RReadStream:
Close(), Detach(), Pop(), PushL(), ReadInt16L(), ReadInt32L(), ReadInt8L(), ReadL(), ReadReal32L(), ReadReal64L(), ReadUint16L(), ReadUint32L(), ReadUint8L(), Release(), Source()

inline RFileReadStream();

Description

Constructs an empty read stream object.

IMPORT_C RFileReadStream(RFile &aFile, TInt aPos=0);

Description

Constructs the read stream object, associates it with an already opened file, and prepares the stream for reading.

Parameters

RFile &aFile A reference to the opened file. TInt aPos The offset into the file from where the stream is to be read. Defaults to zero.

IMPORT_C TInt Open(RFs &aFs, const TDesC &aName, TUint aFileMode);

Description

Opens a file containing a stream and prepares the stream for reading.

The stream will be read from offset zero in the file.

Parameters

RFs &aFs Handle to a file server session. const TDesC &aName The full path name of the file. TUint aFileMode The mode in which the file is to be accessed. The mode is defined by by the TFileMode type.

Return value

TInt KErrNone, if successful; otherwise, one of the other system wide eror codes.

See also:

• TFileMode

IMPORT_C void Attach(RFile &aFile, TInt aPos=0);

Description

Associates this stream with an already opened file and prepares the stream for reading.

Parameters

RFile &aFile A reference to the opened file. TInt aPos The offset into the file from where the stream is to be read. Defaults to zero.