MemoryStream Class Reference

Memory based Stream for IBStream implementation (using malloc). More...

#include <memorystream.h>

Inheritance diagram for MemoryStream:

Public Member Functions
	MemoryStream ()
	MemoryStream (void *memory, TSize memorySize)
	reuse a given memory without getting ownership
virtual	~MemoryStream ()
tresult	read (void *buffer, int32 numBytes, int32 *numBytesRead) SMTG_OVERRIDE
tresult	write (void *buffer, int32 numBytes, int32 *numBytesWritten) SMTG_OVERRIDE
tresult	seek (int64 pos, int32 mode, int64 *result) SMTG_OVERRIDE
tresult	tell (int64 *pos) SMTG_OVERRIDE
TSize	getSize () const
	returns the current memory size
void	setSize (TSize size)
	set the memory size, a realloc will occur if memory already used
char *	getData () const
	returns the memory pointer
char *	detachData ()
	returns the memory pointer and give up ownership
bool	truncate ()
	realloc to the current use memory size if needed
bool	truncateToCursor ()
	truncate memory at current cursor position

Protected Attributes
char *	memory
TSize	memorySize
TSize	size
int64	cursor
bool	ownMemory
bool	allocationError

Additional Inherited Members
Public Types inherited from IBStream
enum	IStreamSeekMode
Public Attributes inherited from IBStream
	kIBSeekSet
	kIBSeekCur
	kIBSeekEnd
Static Public Attributes inherited from IBStream
static const FUID	iid

Detailed Description

Memory based Stream for IBStream implementation (using malloc).

Constructor & Destructor Documentation

MemoryStream

(

)

MemoryStream	(	void *	memory,
		TSize	memorySize
	)

reuse a given memory without getting ownership

virtual ~MemoryStream ( )

virtual

Member Function Documentation

tresult read ( void *  buffer, int32  numBytes, int32 *  numBytesRead  )

virtual

Implements IBStream.

tresult write ( void *  buffer, int32  numBytes, int32 *  numBytesWritten  )

virtual

Implements IBStream.

tresult seek ( int64  pos, int32  mode, int64 *  result  )

virtual

Implements IBStream.

tresult tell ( int64 *  pos )

virtual

Implements IBStream.

TSize getSize

(

)

const

returns the current memory size

void setSize

(

TSize

size

)

set the memory size, a realloc will occur if memory already used

char* getData

(

)

const

returns the memory pointer

char* detachData

(

)

returns the memory pointer and give up ownership

bool truncate

(

)

realloc to the current use memory size if needed

bool truncateToCursor

(

)

truncate memory at current cursor position

Member Data Documentation

char* memory

protected

TSize memorySize

protected

TSize size

protected

int64 cursor

protected

bool ownMemory

protected

bool allocationError

protected