anonymous_namespace{base64.cpp} Namespace Reference

Functions
template<unsigned char M>
constexpr auto	rmask (char c)
	Applies a mask and shifts right.
template<unsigned char M>
constexpr auto	lmask (char c)
	Shifts left and applies a mask.
template<unsigned char LM>
constexpr auto	merge (char c0, char c1)
	Merges parts of two bytes according to a mask.
template<auto max>
constexpr bool	check (auto ...vs)
	Checks that no value is equal to max, which must be a power of 2.
constexpr auto	lu (const auto &t, auto c)
	Looks up the value of byte c in look-up table t.

Function Documentation

check()

template<auto max>

bool anonymous_namespace{base64.cpp}::check ( auto ... vs )

constexpr

Checks that no value is equal to max, which must be a power of 2.

lmask()

template<unsigned char M>

auto anonymous_namespace{base64.cpp}::lmask ( char c )

constexpr

Shifts left and applies a mask.

The input is shifted left by the amount of zero bits on the right side of the mask and the mask is applied.

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lu()

auto anonymous_namespace{base64.cpp}::lu ( const auto & t, auto c )

constexpr

Looks up the value of byte c in look-up table t.

merge()

template<unsigned char LM>

auto anonymous_namespace{base64.cpp}::merge ( char c0, char c1 )

constexpr

Merges parts of two bytes according to a mask.

Applies lmask to c0 and rmask to c1 using LM and its opposite and combines the result.

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rmask()

template<unsigned char M>

auto anonymous_namespace{base64.cpp}::rmask ( char c )

constexpr

Applies a mask and shifts right.

The mask is applied to the input byte and the result is shifted right by the amount of zero bits on the right side of the mask.

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