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 More...
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 More...
void	setSize (TSize size)
	set the memory size, a realloc will occur if memory already used More...
char *	getData () const
	returns the memory pointer More...
char *	detachData ()
	returns the memory pointer and give up ownership More...
bool	truncate ()
	realloc to the current use memory size if needed More...
bool	truncateToCursor ()
	truncate memory at current cursor position More...
virtual tresult	read (void *buffer, int32 numBytes, int32 *numBytesRead=nullptr)=0
virtual tresult	write (void *buffer, int32 numBytes, int32 *numBytesWritten=nullptr)=0
virtual tresult	seek (int64 pos, int32 mode, int64 *result=nullptr)=0
virtual tresult	tell (int64 *pos)=0
Public Member Functions inherited from FUnknown
virtual tresult	queryInterface (const TUID _iid, void **obj)=0
virtual uint32	addRef ()=0
virtual uint32	release ()=0

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
Static Public Attributes inherited from FUnknown
static const FUID	iid

Detailed Description

Memory based Stream for IBStream implementation (using malloc).

Constructor & Destructor Documentation

MemoryStream() [1/2]

MemoryStream

(

)

MemoryStream() [2/2]

MemoryStream	(	void *	memory,
		TSize	memorySize
	)

reuse a given memory without getting ownership

~MemoryStream()

virtual ~MemoryStream ( )

virtual

Member Function Documentation

read()

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

virtual

Implements IBStream.

write()

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

virtual

Implements IBStream.

seek()

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

virtual

Implements IBStream.

tell()

tresult tell ( int64 *  pos )

virtual

Implements IBStream.

getSize()

TSize getSize

(

)

const

returns the current memory size

setSize()

void setSize

(

TSize

size

)

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

getData()

char * getData

(

)

const

returns the memory pointer

detachData()

char * detachData

(

)

returns the memory pointer and give up ownership

truncate()

bool truncate

(

)

realloc to the current use memory size if needed

truncateToCursor()

bool truncateToCursor

(

)

truncate memory at current cursor position

Member Data Documentation

memory

char* memory

protected

memorySize

TSize memorySize

protected

size

TSize size

protected

cursor

int64 cursor

protected

ownMemory

bool ownMemory

protected

allocationError

bool allocationError

protected