vl::CRC32CheckSum Class Reference

Computes the a CRC32 checksum of a given buffer or VirtualFile. More...

#include <CRC32CheckSum.hpp>

List of all members.

Public Member Functions
	CRC32CheckSum ()
	Constructor.
unsigned int	compute (const void *buf, int length)
unsigned int	compute (VirtualFile *stream)
void	startCRC32 ()
unsigned int	finalizeCRC32 ()
void	continueCRC32 (unsigned char *ptr, int length)
Protected Member Functions
void	crc32_init ()
unsigned int	reflect (unsigned int val, char ch)
Protected Attributes
unsigned int	mCRC32
unsigned int	crc32_table [256]

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Detailed Description

Computes the a CRC32 checksum of a given buffer or VirtualFile.

Definition at line 42 of file CRC32CheckSum.hpp.

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Constructor & Destructor Documentation

vl::CRC32CheckSum::CRC32CheckSum

(

)

[inline]

Constructor.

Definition at line 49 of file CRC32CheckSum.hpp.

References crc32_init().

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Member Function Documentation

unsigned int vl::CRC32CheckSum::compute	(	const void *	buf,
		int	length
	)		[inline]

Definition at line 51 of file CRC32CheckSum.hpp.

References crc32_table, and mCRC32.

Referenced by vl::VirtualFile::crc32(), and vl::ZippedFile::extract().

unsigned int vl::CRC32CheckSum::compute

(

VirtualFile *

stream )

[inline]

Definition at line 60 of file CRC32CheckSum.hpp.

References continueCRC32(), finalizeCRC32(), vl::length(), vl::VirtualFile::read(), and startCRC32().

void vl::CRC32CheckSum::startCRC32

(

)

[inline]

Definition at line 73 of file CRC32CheckSum.hpp.

References mCRC32.

Referenced by compute().

unsigned int vl::CRC32CheckSum::finalizeCRC32

(

)

[inline]

Definition at line 74 of file CRC32CheckSum.hpp.

References mCRC32.

Referenced by compute().

void vl::CRC32CheckSum::continueCRC32	(	unsigned char *	ptr,
		int	length
	)		[inline]

Definition at line 75 of file CRC32CheckSum.hpp.

References crc32_table, and mCRC32.

Referenced by compute().

void vl::CRC32CheckSum::crc32_init

(

)

[inline, protected]

Definition at line 82 of file CRC32CheckSum.hpp.

References crc32_table, mCRC32, and reflect().

Referenced by CRC32CheckSum().

unsigned int vl::CRC32CheckSum::reflect	(	unsigned int	val,
		char	ch
	)		[inline, protected]

Definition at line 95 of file CRC32CheckSum.hpp.

Referenced by crc32_init().

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Member Data Documentation

unsigned int vl::CRC32CheckSum::mCRC32 [protected]

Definition at line 108 of file CRC32CheckSum.hpp.

Referenced by compute(), continueCRC32(), crc32_init(), finalizeCRC32(), and startCRC32().

unsigned int vl::CRC32CheckSum::crc32_table[256] [protected]

Definition at line 109 of file CRC32CheckSum.hpp.

Referenced by compute(), continueCRC32(), and crc32_init().

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

• /home/master/UCL/VisualizationLibrary/src/vlCore/CRC32CheckSum.hpp