ByteOrder Class Reference

Contains static methods for converting the byte order between different endiannesses. More...

Static Public Member Functions
static constexpr uint16	swap (uint16 value) noexcept
	Swaps the upper and lower bytes of a 16-bit integer.
static constexpr int16	swap (int16 value) noexcept
	Swaps the upper and lower bytes of a 16-bit integer.
static uint32	swap (uint32 value) noexcept
	Reverses the order of the 4 bytes in a 32-bit integer.
static int32	swap (int32 value) noexcept
	Reverses the order of the 4 bytes in a 32-bit integer.
static uint64	swap (uint64 value) noexcept
	Reverses the order of the 8 bytes in a 64-bit integer.
static int64	swap (int64 value) noexcept
	Reverses the order of the 8 bytes in a 64-bit integer.
static float	swap (float value) noexcept
	Returns a garbled float which has the reverse byte-order of the original.
static double	swap (double value) noexcept
	Returns a garbled double which has the reverse byte-order of the original.
template<typename Type>
static Type	swapIfBigEndian (Type value) noexcept
	Swaps the byte order of a signed or unsigned integer if the CPU is big-endian.
template<typename Type>
static Type	swapIfLittleEndian (Type value) noexcept
	Swaps the byte order of a signed or unsigned integer if the CPU is little-endian.
static constexpr uint32	littleEndianInt (const void *bytes) noexcept
	Turns 4 bytes into a little-endian integer.
static constexpr uint64	littleEndianInt64 (const void *bytes) noexcept
	Turns 8 bytes into a little-endian integer.
static constexpr uint16	littleEndianShort (const void *bytes) noexcept
	Turns 2 bytes into a little-endian integer.
static constexpr int	littleEndian24Bit (const void *bytes) noexcept
	Converts 3 little-endian bytes into a signed 24-bit value (which is sign-extended to 32 bits).
static void	littleEndian24BitToChars (int32 value, void *destBytes) noexcept
	Copies a 24-bit number to 3 little-endian bytes.
static constexpr uint32	bigEndianInt (const void *bytes) noexcept
	Turns 4 bytes into a big-endian integer.
static constexpr uint64	bigEndianInt64 (const void *bytes) noexcept
	Turns 8 bytes into a big-endian integer.
static constexpr uint16	bigEndianShort (const void *bytes) noexcept
	Turns 2 bytes into a big-endian integer.
static constexpr int	bigEndian24Bit (const void *bytes) noexcept
	Converts 3 big-endian bytes into a signed 24-bit value (which is sign-extended to 32 bits).
static void	bigEndian24BitToChars (int32 value, void *destBytes) noexcept
	Copies a 24-bit number to 3 big-endian bytes.
static constexpr uint16	makeInt (uint8 leastSig, uint8 mostSig) noexcept
	Constructs a 16-bit integer from its constituent bytes, in order of significance.
static constexpr uint32	makeInt (uint8 leastSig, uint8 byte1, uint8 byte2, uint8 mostSig) noexcept
	Constructs a 32-bit integer from its constituent bytes, in order of significance.
static constexpr uint64	makeInt (uint8 leastSig, uint8 byte1, uint8 byte2, uint8 byte3, uint8 byte4, uint8 byte5, uint8 byte6, uint8 mostSig) noexcept
	Constructs a 64-bit integer from its constituent bytes, in order of significance.
static constexpr bool	isBigEndian () noexcept
	Returns true if the current CPU is big-endian.

Detailed Description

Contains static methods for converting the byte order between different endiannesses.

Member Function Documentation

swapIfBigEndian()

template<typename Type>

static Type ByteOrder::swapIfBigEndian ( Type value )

staticnoexcept

Swaps the byte order of a signed or unsigned integer if the CPU is big-endian.

References swap().

swapIfLittleEndian()

template<typename Type>

static Type ByteOrder::swapIfLittleEndian ( Type value )

staticnoexcept

Swaps the byte order of a signed or unsigned integer if the CPU is little-endian.

References swap().

isBigEndian()

static constexpr bool ByteOrder::isBigEndian ( )

staticconstexprnoexcept

Returns true if the current CPU is big-endian.