字节序转换更多...

#include <type_traits>
#include <cstring>
#include <cstdint>

宏定义
#define	ByteSwap16(i16) ((i16 & 0x00FF) << 8 \| (i16 & 0xFF00) >> 8)

#define	ByteSwap32(i32) ((i32 & 0x000000FF) << 24 \| (i32 & 0x0000FF00) << 8 \| (i32 & 0x00FF0000) >> 8 \| (i32 & 0xFF000000) >> 24)

#define	ByteSwap64(i64)

#define	SESE_LITTLE_ENDIAN

#define	ASSERT_FLOAT_SIZE static_assert(sizeof(float) == 4, "Float size is not 4 bytes")

#define	ASSERT_DOUBLE_SIZE static_assert(sizeof(double) == 8, "Double size is not 8 bytes")

枚举
enum class	EndianType { LITTLE , BIG }

函数
template<typename T >
T	ToBigEndian16 (T t)

template<typename T >
T	ToBigEndian32 (T t)

template<typename T >
T	ToBigEndian64 (T t)

template<typename T >
T	ToLittleEndian16 (T t)

template<typename T >
T	ToLittleEndian32 (T t)

template<typename T >
T	ToLittleEndian64 (T t)

template<typename T >
T	FromBigEndian16 (T t)

template<typename T >
T	FromBigEndian32 (T t)

template<typename T >
T	FromBigEndian64 (T t)

template<typename T >
T	FromLittleEndian16 (T t)

template<typename T >
T	FromLittleEndian32 (T t)

template<typename T >
T	FromLittleEndian64 (T t)

template<typename T >
std::enable_if< sizeof(T)==2, T >::t	ToBigEndian (T t)

template<typename T >
std::enable_if< sizeof(T)==4, T >::t	ToBigEndian (T t)

template<typename T >
std::enable_if< sizeof(T)==8, T >::t	ToBigEndian (T t)

template<typename T >
T	ToLittleEndian (T t)

template<typename T >
std::enable_if< sizeof(T)==2, T >::t	FromBigEndian (T t)

template<typename T >
std::enable_if< sizeof(T)==4, T >::t	FromBigEndian (T t)

template<typename T >
std::enable_if< sizeof(T)==8, T >::t	FromBigEndian (T t)

template<typename T >
T	FromLittleEndian (T t)

template<>
float	ToBigEndian32 (float t)

template<>
double	ToBigEndian64 (double t)

template<>
float	ToLittleEndian32 (float t)

template<>
double	ToLittleEndian64 (double t)

template<>
float	FromBigEndian32 (float t)

template<>
double	FromBigEndian64 (double t)

template<>
float	FromLittleEndian32 (float t)

template<>
double	FromLittleEndian64 (double t)

详细描述

字节序转换

作者: kaoru

日期: 2022年4月3日

宏定义说明

◆ ASSERT_DOUBLE_SIZE

#define ASSERT_DOUBLE_SIZE static_assert(sizeof(double) == 8, "Double size is not 8 bytes")

被这些函数引用 FromBigEndian64(), FromLittleEndian64(), ToBigEndian64() , 以及 ToLittleEndian64().

◆ ASSERT_FLOAT_SIZE

#define ASSERT_FLOAT_SIZE static_assert(sizeof(float) == 4, "Float size is not 4 bytes")

被这些函数引用 FromBigEndian32(), FromLittleEndian32(), ToBigEndian32() , 以及 ToLittleEndian32().

◆ ByteSwap16

#define ByteSwap16 ( i16 ) ((i16 & 0x00FF) << 8 | (i16 & 0xFF00) >> 8)

被这些函数引用 FromBigEndian(), FromBigEndian16(), ToBigEndian() , 以及 ToBigEndian16().

◆ ByteSwap32

#define ByteSwap32 ( i32 ) ((i32 & 0x000000FF) << 24 | (i32 & 0x0000FF00) << 8 | (i32 & 0x00FF0000) >> 8 | (i32 & 0xFF000000) >> 24)

被这些函数引用 FromBigEndian(), FromBigEndian32(), ToBigEndian() , 以及 ToBigEndian32().

◆ ByteSwap64

#define ByteSwap64 ( i64 )

值:

    ((i64 & 0x00000000000000FF) << 56 |         \
            (i64 & 0x000000000000FF00) << 40 | \
            (i64 & 0x0000000000FF0000) << 24 | \
            (i64 & 0x00000000FF000000) << 8 |  \
            (i64 & 0x000000FF00000000) >> 8 |  \
            (i64 & 0x0000FF0000000000) >> 24 | \
            (i64 & 0x00FF000000000000) >> 40 | \
            (i64 & 0xFF00000000000000) >> 56)

被这些函数引用 FromBigEndian(), FromBigEndian64(), ToBigEndian() , 以及 ToBigEndian64().

◆ SESE_LITTLE_ENDIAN

#define SESE_LITTLE_ENDIAN

枚举类型说明

◆ EndianType

enum class EndianType

strong

枚举值
LITTLE
BIG

函数说明

◆ FromBigEndian() [1/3]

template<typename T >

std::enable_if< sizeof(T)==2, T >::t FromBigEndian ( T t )

inline

引用了 ByteSwap16.

◆ FromBigEndian() [2/3]

template<typename T >

std::enable_if< sizeof(T)==4, T >::t FromBigEndian ( T t )

inline

引用了 ByteSwap32.

◆ FromBigEndian() [3/3]

template<typename T >

std::enable_if< sizeof(T)==8, T >::t FromBigEndian ( T t )

inline

引用了 ByteSwap64.

◆ FromBigEndian16()

template<typename T >

T FromBigEndian16 ( T t )

inline

引用了 ByteSwap16.

被这些函数引用 sese::net::dns::DnsPackage::decode(), sese::net::dns::DnsPackage::decodeAnswers(), sese::net::dns::DnsPackage::decodeWords(), sese::net::IPv4Address::getPort(), sese::net::IPv6Address::getPort(), sese::internal::service::http::HttpConnectionEx::handleSettingsFrame() , 以及 sese::net::Socket::readInt16().

◆ FromBigEndian32() [1/2]

template<>

float FromBigEndian32 ( float t )

inline

引用了 ASSERT_FLOAT_SIZE , 以及 FromBigEndian32().

◆ FromBigEndian32() [2/2]

template<typename T >

T FromBigEndian32 ( T t )

inline

引用了 ByteSwap32.

被这些函数引用 sese::Bitset32::Bitset32(), sese::net::dns::DnsPackage::decodeAnswers(), sese::SHA1Util::encode(), sese::Base64Converter::encodeBase62(), FromBigEndian32(), FromLittleEndian32(), sese::Bitset32::get(), sese::internal::service::http::HttpConnectionEx::handleGoawayFrame(), sese::internal::service::http::HttpConnectionEx::handleHeadersFrame(), sese::internal::service::http::HttpConnectionEx::handlePriorityFrame(), sese::internal::service::http::HttpConnectionEx::handleRstStreamFrame(), sese::internal::service::http::HttpConnectionEx::handleSettingsFrame(), sese::internal::service::http::HttpConnectionEx::handleWindowUpdate(), sese::Bitset32::operator+() , 以及 sese::internal::service::http::HttpConnectionEx::readFrameHeader().

◆ FromBigEndian64() [1/2]

template<>

double FromBigEndian64 ( double t )

inline

引用了 ASSERT_DOUBLE_SIZE , 以及 FromBigEndian64().

◆ FromBigEndian64() [2/2]

template<typename T >

T FromBigEndian64 ( T t )

inline

引用了 ByteSwap64.

被这些函数引用 FromBigEndian64() , 以及 FromLittleEndian64().

◆ FromLittleEndian()

template<typename T >

T FromLittleEndian ( T t )

inline

◆ FromLittleEndian16()

template<typename T >

T FromLittleEndian16 ( T t )

inline

◆ FromLittleEndian32() [1/2]

template<>

float FromLittleEndian32 ( float t )

inline

引用了 ASSERT_FLOAT_SIZE , 以及 FromBigEndian32().

◆ FromLittleEndian32() [2/2]

template<typename T >

T FromLittleEndian32 ( T t )

inline

◆ FromLittleEndian64() [1/2]

template<>

double FromLittleEndian64 ( double t )

inline

引用了 ASSERT_DOUBLE_SIZE , 以及 FromBigEndian64().

◆ FromLittleEndian64() [2/2]

template<typename T >

T FromLittleEndian64 ( T t )

inline

◆ ToBigEndian() [1/3]

template<typename T >

std::enable_if< sizeof(T)==2, T >::t ToBigEndian ( T t )

inline

引用了 ByteSwap16.

◆ ToBigEndian() [2/3]

template<typename T >

std::enable_if< sizeof(T)==4, T >::t ToBigEndian ( T t )

inline

引用了 ByteSwap32.

◆ ToBigEndian() [3/3]

template<typename T >

std::enable_if< sizeof(T)==8, T >::t ToBigEndian ( T t )

inline

引用了 ByteSwap64.

◆ ToBigEndian16()

template<typename T >

T ToBigEndian16 ( T t )

inline

引用了 ByteSwap16.

被这些函数引用 sese::net::IPv4Address::create(), sese::net::IPv6Address::create(), sese::net::dns::DnsPackage::encode(), sese::net::dns::DnsPackage::encodeAnswers(), sese::net::dns::DnsPackage::encodeQuestions(), sese::net::dns::DnsPackage::Index::encodeWords(), sese::net::IPv6Address::getAddress(), sese::net::IPv4Address::IPv4Address(), sese::net::IPv6Address::IPv6Address(), sese::MemoryViewer::peer16(), sese::net::IPv4Address::setPort(), sese::net::IPv6Address::setPort(), sese::net::Socket::writeInt16() , 以及 sese::internal::service::http::HttpConnectionEx::writeSettingsFrame().

◆ ToBigEndian32() [1/2]

template<>

float ToBigEndian32 ( float t )

inline

引用了 ASSERT_FLOAT_SIZE , 以及 ToBigEndian32().

◆ ToBigEndian32() [2/2]

template<typename T >

T ToBigEndian32 ( T t )

inline

引用了 ByteSwap32.

被这些函数引用 sese::net::http::Http2Frame::buildFrameHeader(), sese::Base64Converter::decodeBase62(), sese::net::dns::DnsPackage::encodeAnswers(), sese::net::IPv4Address::getBroadcastAddress(), sese::net::IPv4Address::getNetworkAddress(), sese::net::IPv4Address::getSubnetMask(), sese::net::IPv4Address::IPv4Address(), sese::Bitset32::operator+(), sese::MemoryViewer::peer32(), sese::Bitset32::set(), ToBigEndian32(), ToLittleEndian32(), sese::internal::service::http::HttpConnectionEx::writeGoawayFrame(), sese::internal::service::http::HttpConnectionEx::writeRstStreamFrame(), sese::internal::service::http::HttpConnectionEx::writeSettingsFrame() , 以及 sese::internal::service::http::HttpConnectionEx::writeWindowUpdateFrame().

◆ ToBigEndian64() [1/2]

template<>

double ToBigEndian64 ( double t )

inline

引用了 ASSERT_DOUBLE_SIZE , 以及 ToBigEndian64().

◆ ToBigEndian64() [2/2]

template<typename T >

T ToBigEndian64 ( T t )

inline

引用了 ByteSwap64.

被这些函数引用 sese::SHA1Util::encode(), sese::SHA256Util::encode(), sese::MemoryViewer::peer64(), ToBigEndian64() , 以及 ToLittleEndian64().

◆ ToLittleEndian()

template<typename T >

T ToLittleEndian ( T t )

inline

被这些函数引用 sese::SHA256Util::encode().

◆ ToLittleEndian16()

template<typename T >

T ToLittleEndian16 ( T t )

inline

被这些函数引用 sese::MemoryViewer::peer16().

◆ ToLittleEndian32() [1/2]

template<>

float ToLittleEndian32 ( float t )

inline

引用了 ASSERT_FLOAT_SIZE , 以及 ToBigEndian32().

◆ ToLittleEndian32() [2/2]

template<typename T >

T ToLittleEndian32 ( T t )

inline

被这些函数引用 sese::net::IPv4Address::getAddress() , 以及 sese::MemoryViewer::peer32().

◆ ToLittleEndian64() [1/2]

template<>

double ToLittleEndian64 ( double t )

inline

引用了 ASSERT_DOUBLE_SIZE , 以及 ToBigEndian64().

◆ ToLittleEndian64() [2/2]

template<typename T >

T ToLittleEndian64 ( T t )

inline

被这些函数引用 sese::MD5Util::encode() , 以及 sese::MemoryViewer::peer64().