logicalaccess::BitHelper Class Reference

A Bit Helper. More...

#include <bithelper.hpp>

Static Public Member Functions
static BitsetStream	align (const BitsetStream &data, unsigned int dataLengthBits)
	Line "data" buffer in "linedData" with new size (linedDataLength)
static BitsetStream	revert (const BitsetStream &data, unsigned int dataLengthBits)
	Revert line of "data" buffer in "revertedData" with new size (revertedDataLength)
static BitsetStream	truncateLittleEndian (const BitsetStream &data, unsigned int dataLengthBits)
	Truncate "data" buffer in "truncatedData" in Little Endian.
static BitsetStream	swapBytes (const BitsetStream &data)
	Swap all BYTES of "data" buffer in "swapedData".
static BitsetStream	extract (const BitsetStream &data, unsigned int readPosBits, unsigned int readLengthBits)
	Extract "readPosBits" bits of data.

Detailed Description

A Bit Helper.

Member Function Documentation

align()

BitsetStream logicalaccess::BitHelper::align ( const BitsetStream &  data, unsigned int  dataLengthBits  )

static

Line "data" buffer in "linedData" with new size (linedDataLength)

Parameters

linedData	Buffer to be written
linedDataLengthBytes	Length of "linedData" in bytes
data	Buffer to be readed
dataLengthBytes	Length of data in bytes
dataLengthBits	Length of used data in bits

Returns

Length of lined data (in bits)

extract()

BitsetStream logicalaccess::BitHelper::extract ( const BitsetStream &  data, unsigned int  readPosBits, unsigned int  readLengthBits  )

static

Extract "readPosBits" bits of data.

Parameters

extractData	Buffer to be written
extractDataLengthBytes	Length of "extractData" in bytes
data	Buffer to be readed
dataLengthBytes	Length of data in bytes
dataLengthBits	Length of used data in bits
readPosBits	Offset of "data" you want to start to extract (in bits)
readLengthBits	Length to extract from "data" starting at "readPosBits" offset (in bits)

Returns

Length of data written (in bits)

revert()

BitsetStream logicalaccess::BitHelper::revert ( const BitsetStream &  data, unsigned int  dataLengthBits  )

static

Revert line of "data" buffer in "revertedData" with new size (revertedDataLength)

Parameters

revertedData	Buffer to be written
revertedDataLengthBytes	Length of "revertedData" in bytes
data	Buffer to be readed
dataLengthBytes	Length of data in bytes
dataLengthBits	Length of used data in bits

Returns

Length of reverted data (in bits)

swapBytes()

BitsetStream logicalaccess::BitHelper::swapBytes ( const BitsetStream &  data )

static

Swap all BYTES of "data" buffer in "swapedData".

Parameters

swapedData	Buffer to be written
swapedDataLengthBytes	Length of "swapedData" in bytes
data	Buffer to be readed
dataLengthBytes	Length of data in bytes
dataLengthBits	Length of used data in bits

truncateLittleEndian()

BitsetStream logicalaccess::BitHelper::truncateLittleEndian ( const BitsetStream &  data, unsigned int  dataLengthBits  )

static

Truncate "data" buffer in "truncatedData" in Little Endian.

Parameters

truncatedData	Buffer to be written
truncatedDataLengthBytes	Length of "truncatedData" in bytes
data	Buffer to be readed
dataLengthBytes	Length of data in bytes
dataLengthBits	Length of used data in bits

Returns

Length of truncated data (in bits)

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

• C:/dev/lla/liblogicalaccess/include/logicalaccess/services/accesscontrol/formats/bithelper.hpp
• C:/dev/lla/liblogicalaccess/src/services/accesscontrol/formats/bithelper.cpp