beast::Xxhasher Class Reference

#include <xxhasher.h>

Collaboration diagram for beast::Xxhasher:

Public Types
using	result_type = std::size_t

Public Member Functions
	Xxhasher (Xxhasher const &)=delete
Xxhasher &	operator= (Xxhasher const &)=delete
	Xxhasher ()
	~Xxhasher () noexcept
template<class Seed, std::enable_if_t< std::is_unsigned_v< Seed > > * = nullptr>
	Xxhasher (Seed seed)
template<class Seed, std::enable_if_t< std::is_unsigned_v< Seed > > * = nullptr>
	Xxhasher (Seed seed, Seed)
void	operator() (void const *key, std::size_t len) noexcept
	operator result_type () noexcept

Static Public Attributes
static constexpr auto	kEndian = boost::endian::order::native

Private Member Functions
void	resetBuffers ()
void	updateHash (void const *data, std::size_t len)
void	flushToState (void const *data, std::size_t len)
result_type	retrieveHash ()

Static Private Member Functions
static XXH3_state_t *	allocState ()

Private Attributes
std::array< std::uint8_t, kInternalBufferSize >	buffer_ {}
std::span< std::uint8_t >	readBuffer_
std::span< std::uint8_t >	writeBuffer_
std::optional< XXH64_hash_t >	seed_
XXH3_state_t *	state_ = nullptr

Static Private Attributes
static constexpr std::size_t	kInternalBufferSize = 64

Detailed Description

Definition at line 18 of file xxhasher.h.

Member Typedef Documentation

result_type

using beast::Xxhasher::result_type = std::size_t

Definition at line 21 of file xxhasher.h.

Constructor & Destructor Documentation

Xxhasher() [1/4]

beast::Xxhasher::Xxhasher ( Xxhasher const & )

delete

Xxhasher() [2/4]

beast::Xxhasher::Xxhasher

(

)

Definition at line 114 of file xxhasher.h.

~Xxhasher()

beast::Xxhasher::~Xxhasher ( )

noexcept

Definition at line 119 of file xxhasher.h.

Xxhasher() [3/4]

template<class Seed, std::enable_if_t< std::is_unsigned_v< Seed > > * = nullptr>

beast::Xxhasher::Xxhasher ( Seed seed )

explicit

Definition at line 128 of file xxhasher.h.

Xxhasher() [4/4]

template<class Seed, std::enable_if_t< std::is_unsigned_v< Seed > > * = nullptr>

beast::Xxhasher::Xxhasher	(	Seed	seed,
		Seed	)

Definition at line 134 of file xxhasher.h.

Member Function Documentation

resetBuffers()

void beast::Xxhasher::resetBuffers ( )

private

Definition at line 37 of file xxhasher.h.

updateHash()

void beast::Xxhasher::updateHash ( void const * data, std::size_t len )

private

Definition at line 44 of file xxhasher.h.

allocState()

XXH3_state_t * beast::Xxhasher::allocState ( )

staticprivate

Definition at line 59 of file xxhasher.h.

flushToState()

void beast::Xxhasher::flushToState ( void const * data, std::size_t len )

private

Definition at line 68 of file xxhasher.h.

retrieveHash()

result_type beast::Xxhasher::retrieveHash ( )

private

Definition at line 91 of file xxhasher.h.

operator=()

Xxhasher & beast::Xxhasher::operator= ( Xxhasher const & )

delete

operator()()

void beast::Xxhasher::operator() ( void const * key, std::size_t len )

noexcept

Definition at line 140 of file xxhasher.h.

operator result_type()

beast::Xxhasher::operator result_type ( )

explicitnoexcept

Definition at line 146 of file xxhasher.h.

Member Data Documentation

kInternalBufferSize

std::size_t beast::Xxhasher::kInternalBufferSize = 64

staticconstexprprivate

Definition at line 27 of file xxhasher.h.

buffer_

std::array<std::uint8_t, kInternalBufferSize> beast::Xxhasher::buffer_ {}

private

Definition at line 29 of file xxhasher.h.

readBuffer_

std::span<std::uint8_t> beast::Xxhasher::readBuffer_

private

Definition at line 30 of file xxhasher.h.

writeBuffer_

std::span<std::uint8_t> beast::Xxhasher::writeBuffer_

private

Definition at line 31 of file xxhasher.h.

seed_

std::optional<XXH64_hash_t> beast::Xxhasher::seed_

private

Definition at line 33 of file xxhasher.h.

state_

XXH3_state_t* beast::Xxhasher::state_ = nullptr

private

Definition at line 34 of file xxhasher.h.

kEndian

auto beast::Xxhasher::kEndian = boost::endian::order::native

staticconstexpr

Definition at line 108 of file xxhasher.h.