ByteStreamMarker Class Reference

ByteStreamMarker is an opaque position within a ByteStream. More...

#include <ByteStream.h>

Inheritance diagram for ByteStreamMarker:

SegStreamMarker SequentialByteStreamMarker List of all members.

Public Member Functions

ByteStream const & getStream () const
 
Returns:
marked stream

virtual FileSize getOffset () const=0
 
Returns:
byte offset of marked position within stream


Protected Member Functions

 ByteStreamMarker (ByteStream const &stream)
virtual ~ByteStreamMarker ()

Private Attributes

ByteStream const & stream
 Marked stream.

Friends

class ByteStream

Detailed Description

ByteStreamMarker is an opaque position within a ByteStream.

Stream implementations define derived marker classes containing hidden state. ByteInputStream::newMarker() serves as a factory method for creating new marker instances.

Definition at line 58 of file ByteStream.h.


Constructor & Destructor Documentation

ByteStreamMarker::ByteStreamMarker ( ByteStream const &  stream  )  [explicit, protected]

Definition at line 34 of file ByteStream.cpp.

00035     : stream(streamInit)
00036 {
00037 }

virtual ByteStreamMarker::~ByteStreamMarker (  )  [inline, protected, virtual]

Definition at line 69 of file ByteStream.h.

00070     {
00071     }


Member Function Documentation

ByteStream const & ByteStreamMarker::getStream (  )  const

Returns:
marked stream

Definition at line 39 of file ByteStream.cpp.

References stream.

Referenced by SegInputStream::mark(), ByteInputStream::mark(), SegInputStream::reset(), and ByteInputStream::reset().

00040 {
00041     return stream;
00042 }

virtual FileSize ByteStreamMarker::getOffset (  )  const [pure virtual]

Returns:
byte offset of marked position within stream

Implemented in SequentialByteStreamMarker, and SegStreamMarker.


Friends And Related Function Documentation

friend class ByteStream [friend]

Definition at line 60 of file ByteStream.h.


Member Data Documentation

ByteStream const& ByteStreamMarker::stream [private]

Marked stream.

Definition at line 65 of file ByteStream.h.

Referenced by getStream().


The documentation for this class was generated from the following files:
Generated on Mon Jun 22 04:00:27 2009 for Fennel by  doxygen 1.5.1