#include <cel_storage.h>

Inheritance diagram for Celartem::PartialStorage:

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Public Member Functions
virtual Storage *	getBaseStorage ()=0

virtual uint64_t	getOffset () const =0

virtual void	offset (size_t inAdditionalOffset)=0

Public Member Functions inherited from Celartem::Storage
virtual uint64_t	getSize () const =0

virtual uint64_t	getPos () const =0

virtual void	reserve (uint64_t inReservationSize)=0

virtual void	setPos (uint64_t inPosition)=0

virtual void	setPosRelative (int64_t inPosition)=0

virtual void	setPosFromEnd (int64_t inPosition)=0

virtual void	setEof ()=0

virtual String	getStorageId () const =0

virtual AutoPtr< Storage >	duplicate () const =0

virtual Time	getLastUpdateTime () const =0

Public Member Functions inherited from Celartem::Stream
virtual size_t	readBytes (void *buffer, size_t inSize, bool wouldBlock=false)=0

virtual void	writeBytes (const void *buffer, size_t inSize)=0

virtual void	flushBuffer ()=0

virtual bool	isEof () const =0

virtual size_t	duplicateStream (Stream inStream, size_t inBufferSize=1024, DuplicateStreamCallback inCallback=NULL, void inCallbackContext=NULL)

virtual size_t	duplicateStreamBytes (Stream inStream, size_t inMaximumByteSize, size_t inBufferSize=1024, DuplicateStreamCallback inCallback=NULL, void inCallbackContext=NULL)

Public Member Functions inherited from Celartem::Referable
	Referable ()

void	addRef () const

void	releaseRef () const

size_t	getReferenceCount () const

Public Member Functions inherited from Celartem::Lockable
virtual void	lock () const =0

virtual void	unlock () const =0

Static Public Member Functions
static AutoPtr< PartialStorage >	create (Storage *inStorage, uint64_t inOffset, uint64_t inSize, bool inReadOnly)

Static Public Member Functions inherited from Celartem::Storage
static AutoPtr< Storage >	create (const String &inUriOrFileName, bool inLateBinding=false, ResourceBroker *inBroker=NULL)

static AutoPtr< Storage >	createTempNoLock ()

Static Public Member Functions inherited from Celartem::Referable
static void	dumpDbgAllRefCount ()

Detailed Description

This class creates a virtual Storage based on a existing one. The created Storage cannot be expanded by writeBytes method.

Member Function Documentation

static AutoPtr<PartialStorage> Celartem::PartialStorage::create	(	Storage *	inStorage,
		uint64_t	inOffset,
		uint64_t	inSize,
		bool	inReadOnly
	)

static

This method creates virtual Storage.

Parameters

inStorage	A storage.
inOffset	Offset in bytes.
inSize	The size in bytes.
inReadOnly	`true` if the new storage should be readonly; otherwise `false`.

virtual Storage* Celartem::PartialStorage::getBaseStorage ( )

pure virtual

Get underlying storage.
NOTE: Modification to the underlying instance may causes some inconsistency issues.

virtual uint64_t Celartem::PartialStorage::getOffset ( ) const

pure virtual

Get the offset on the underlying storage instance.

virtual void Celartem::PartialStorage::offset ( size_t inAdditionalOffset )

pure virtual

Additionally offset the storage.
This method also conditions the current position according to the offset change.

Parameters

inAdditionalOffset Additional offset.

The documentation for this class was generated from the following file: