dabc::Pointer Class Reference

Manipulator with dabc::Buffer class. More...

#include <dabc/Pointer.h>

Public Member Functions
Buffer	buf ()
float	consumed_size () const
	Returns ratio between filled size and buffer size, 0 when exmpy. More...
BufferSize_t	copyfrom (const Pointer &src, BufferSize_t sz=0) throw ()
	Returns actual size copied. More...
BufferSize_t	copyfrom (const void *src, BufferSize_t sz)
BufferSize_t	copyfrom_shift (const Pointer &src, BufferSize_t sz=0) throw ()
	Returns actual size copied and shifted. More...
BufferSize_t	copyfrom_shift (const void *src, BufferSize_t sz) throw ()
BufferSize_t	copyfromstr (const char *str, unsigned len=0) throw ()
BufferSize_t	copyto (Pointer &src, BufferSize_t sz) const throw ()
BufferSize_t	copyto (void *tgt, BufferSize_t sz) const throw ()
BufferSize_t	copyto_shift (Pointer &src, BufferSize_t sz) throw ()
BufferSize_t	copyto_shift (void *tgt, BufferSize_t sz) throw ()
int	distance_to (const Pointer &child) const
int	distance_to_ownbuf () const
BufferSize_t	fullsize () const
bool	is_same_buf (const Pointer &ptr) const
bool	null () const
void *	operator() () const
void	operator+= (BufferSize_t sz) throw ()
Pointer &	operator= (const Buffer &src)
Pointer &	operator= (const Pointer &src)
	Pointer ()
	Pointer (const Buffer &buf, unsigned pos=0, unsigned len=0)
	Pointer (const Pointer &src, BufferSize_t pos=0, BufferSize_t fullsz=0)
	Pointer (const void *buf, BufferSize_t sz)
void *	ptr () const
BufferSize_t	rawsize () const
void	reset ()
void	reset (const Buffer &src, BufferSize_t pos=0, BufferSize_t fullsz=0)
void	reset (const Pointer &src, BufferSize_t pos=0, BufferSize_t fullsz=0)
void	reset (void *buf, BufferSize_t sz)
unsigned	segmid () const
void	setfullsize (BufferSize_t sz)
BufferSize_t	shift (BufferSize_t sz) throw ()

Protected Member Functions
void	long_shift (BufferSize_t sz)

Protected Attributes
Buffer	fBuf
	we keep reference on the buffer, could be only used in same thread More...
BufferSize_t	fFullSize
	full size of memory from pointer till the end More...
unsigned char *	fPtr
	pointer on the raw buffer More...
BufferSize_t	fRawSize
	size of contiguous memory, pointed by fPtr More...
unsigned	fSegm
	segment id More...

Friends
class	Buffer

Detailed Description

Manipulator with dabc::Buffer class.

dabc::Buffer can contain segmented lists of memory regions. dabc::Pointer class provides method which let work with such segmented memory as with contiguous region.

Definition at line 34 of file Pointer.h.

Constructor & Destructor Documentation

Pointer() [1/4]

dabc::Pointer::Pointer ( )

inline

Definition at line 48 of file Pointer.h.

Pointer() [2/4]

dabc::Pointer::Pointer ( const void *  buf, BufferSize_t  sz  )

inline

Definition at line 57 of file Pointer.h.

Pointer() [3/4]

dabc::Pointer::Pointer ( const Pointer &  src, BufferSize_t  pos = 0, BufferSize_t  fullsz = 0  )

inline

Definition at line 66 of file Pointer.h.

Pointer() [4/4]

dabc::Pointer::Pointer ( const Buffer &  buf, unsigned  pos = 0, unsigned  len = 0  )

inline

Definition at line 77 of file Pointer.h.

Member Function Documentation

long_shift()

void dabc::Pointer::long_shift ( BufferSize_t  sz )

protected

Definition at line 25 of file Pointer.cxx.

operator=() [1/2]

Pointer& dabc::Pointer::operator= ( const Pointer &  src )

inline

Definition at line 87 of file Pointer.h.

operator=() [2/2]

Pointer& dabc::Pointer::operator= ( const Buffer &  src )

inline

Definition at line 93 of file Pointer.h.

reset() [1/4]

void dabc::Pointer::reset ( void *  buf, BufferSize_t  sz  )

inline

Definition at line 99 of file Pointer.h.

reset() [2/4]

void dabc::Pointer::reset ( const Pointer &  src, BufferSize_t  pos = 0, BufferSize_t  fullsz = 0  )

inline

Definition at line 108 of file Pointer.h.

reset() [3/4]

void dabc::Pointer::reset ( const Buffer &  src, BufferSize_t  pos = 0, BufferSize_t  fullsz = 0  )

inline

Definition at line 119 of file Pointer.h.

reset() [4/4]

void dabc::Pointer::reset ( )

inline

Definition at line 136 of file Pointer.h.

operator()()

void* dabc::Pointer::operator() ( ) const

inline

Definition at line 145 of file Pointer.h.

ptr()

void* dabc::Pointer::ptr ( ) const

inline

Definition at line 146 of file Pointer.h.

null()

bool dabc::Pointer::null ( ) const

inline

Definition at line 147 of file Pointer.h.

rawsize()

BufferSize_t dabc::Pointer::rawsize ( ) const

inline

Definition at line 148 of file Pointer.h.

fullsize()

BufferSize_t dabc::Pointer::fullsize ( ) const

inline

Definition at line 149 of file Pointer.h.

buf()

Buffer dabc::Pointer::buf ( )

inline

Definition at line 151 of file Pointer.h.

shift()

BufferSize_t dabc::Pointer::shift ( BufferSize_t  sz ) throw ( )

inline

Definition at line 153 of file Pointer.h.

setfullsize()

void dabc::Pointer::setfullsize ( BufferSize_t  sz )

inline

Definition at line 168 of file Pointer.h.

operator+=()

void dabc::Pointer::operator+= ( BufferSize_t  sz ) throw ( )

inline

Definition at line 176 of file Pointer.h.

copyto() [1/2]

dabc::BufferSize_t dabc::Pointer::copyto	(	void *	tgt,
		BufferSize_t	sz
	)		const
throw	(
	)

Definition at line 98 of file Pointer.cxx.

copyto_shift() [1/2]

BufferSize_t dabc::Pointer::copyto_shift ( void *  tgt, BufferSize_t  sz  ) throw ( )

inline

Definition at line 180 of file Pointer.h.

copyto() [2/2]

dabc::BufferSize_t dabc::Pointer::copyto	(	Pointer &	src,
		BufferSize_t	sz
	)		const
throw	(
	)

Definition at line 93 of file Pointer.cxx.

copyto_shift() [2/2]

BufferSize_t dabc::Pointer::copyto_shift ( Pointer &  src, BufferSize_t  sz  ) throw ( )

inline

Definition at line 185 of file Pointer.h.

copyfrom() [1/2]

dabc::BufferSize_t dabc::Pointer::copyfrom	(	const Pointer &	src,
		BufferSize_t	sz = 0
	)
throw	(
	)

Returns actual size copied.

Definition at line 54 of file Pointer.cxx.

copyfrom_shift() [1/2]

BufferSize_t dabc::Pointer::copyfrom_shift ( const Pointer &  src, BufferSize_t  sz = 0  ) throw ( )

inline

Returns actual size copied and shifted.

Definition at line 192 of file Pointer.h.

copyfrom() [2/2]

dabc::BufferSize_t dabc::Pointer::copyfrom	(	const void *	src,
		BufferSize_t	sz
	)

Definition at line 110 of file Pointer.cxx.

copyfrom_shift() [2/2]

BufferSize_t dabc::Pointer::copyfrom_shift ( const void *  src, BufferSize_t  sz  ) throw ( )

inline

Definition at line 197 of file Pointer.h.

copyfromstr()

dabc::BufferSize_t dabc::Pointer::copyfromstr	(	const char *	str,
		unsigned	len = 0
	)
throw	(
	)

Definition at line 129 of file Pointer.cxx.

distance_to()

int dabc::Pointer::distance_to

(

const Pointer &

child

)

const

Definition at line 134 of file Pointer.cxx.

distance_to_ownbuf()

int dabc::Pointer::distance_to_ownbuf ( ) const

inline

Definition at line 204 of file Pointer.h.

consumed_size()

float dabc::Pointer::consumed_size

(

)

const

Returns ratio between filled size and buffer size, 0 when exmpy.

Definition at line 155 of file Pointer.cxx.

is_same_buf()

bool dabc::Pointer::is_same_buf ( const Pointer &  ptr ) const

inline

Definition at line 209 of file Pointer.h.

segmid()

unsigned dabc::Pointer::segmid ( ) const

inline

Definition at line 211 of file Pointer.h.

Friends And Related Function Documentation

Buffer

friend class Buffer

friend

Definition at line 36 of file Pointer.h.

Field Documentation

fBuf

Buffer dabc::Pointer::fBuf

protected

we keep reference on the buffer, could be only used in same thread

Definition at line 39 of file Pointer.h.

fSegm

unsigned dabc::Pointer::fSegm

protected

segment id

Definition at line 40 of file Pointer.h.

fPtr

unsigned char* dabc::Pointer::fPtr

protected

pointer on the raw buffer

Definition at line 41 of file Pointer.h.

fRawSize

BufferSize_t dabc::Pointer::fRawSize

protected

size of contiguous memory, pointed by fPtr

Definition at line 42 of file Pointer.h.

fFullSize

BufferSize_t dabc::Pointer::fFullSize

protected

full size of memory from pointer till the end

Definition at line 43 of file Pointer.h.

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

• base/dabc/Pointer.h
• base/src/Pointer.cxx