jau::codec::base::alphabet Class Reference

Base Alphabet Specification providing the alphabet for encode() and decode(). More...

#include <base_codec.hpp>

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Public Types
typedef int(*	code_point_func) (const char c) noexcept

Public Member Functions
	alphabet (std::string _name, int _base, std::string_view _symbols, char _padding64, code_point_func _cpf) noexcept
constexpr int	base () const noexcept
	The fixed base used for this alphabet.
constexpr int	code_point (const char c) const noexcept
	Returns the code-point of the given character or -1 if not element of this alphabet.
constexpr const std::string &	name () const noexcept
	Human readable name for this alphabet instance.
constexpr char	operator[] (size_t cp) const noexcept
	Retrieve the character at given code-point of this alphabet.
constexpr char	padding64 () const noexcept
	Padding symbol for base <= 64 and block encoding only.
constexpr const std::string_view &	symbols () const noexcept
	The string of symbols of this alphabet.
std::string	to_string () const noexcept

Detailed Description

Base Alphabet Specification providing the alphabet for encode() and decode().

Implementation delegates static code_point() function.

See also

encode()

decode()

Definition at line 55 of file base_codec.hpp.

Member Typedef Documentation

code_point_func

typedef int(* jau::codec::base::alphabet::code_point_func) (const char c) noexcept

noexcept

Definition at line 57 of file base_codec.hpp.

Constructor & Destructor Documentation

alphabet()

jau::codec::base::alphabet::alphabet ( std::string _name, int _base, std::string_view _symbols, char _padding64, code_point_func _cpf )

inlinenoexcept

Definition at line 67 of file base_codec.hpp.

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Member Function Documentation

name()

const std::string & jau::codec::base::alphabet::name ( ) const

inlineconstexprnoexcept

Human readable name for this alphabet instance.

Definition at line 71 of file base_codec.hpp.

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base()

int jau::codec::base::alphabet::base ( ) const

inlineconstexprnoexcept

The fixed base used for this alphabet.

Definition at line 74 of file base_codec.hpp.

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symbols()

const std::string_view & jau::codec::base::alphabet::symbols ( ) const

inlineconstexprnoexcept

The string of symbols of this alphabet.

Definition at line 77 of file base_codec.hpp.

padding64()

char jau::codec::base::alphabet::padding64 ( ) const

inlineconstexprnoexcept

Padding symbol for base <= 64 and block encoding only.

May return zero for no padding.

Definition at line 80 of file base_codec.hpp.

code_point()

int jau::codec::base::alphabet::code_point ( const char c ) const

inlineconstexprnoexcept

Returns the code-point of the given character or -1 if not element of this alphabet.

Definition at line 83 of file base_codec.hpp.

operator[]()

char jau::codec::base::alphabet::operator[] ( size_t cp ) const

inlineconstexprnoexcept

Retrieve the character at given code-point of this alphabet.

Definition at line 86 of file base_codec.hpp.

to_string()

std::string jau::codec::base::alphabet::to_string ( ) const

inlinenoexcept

Definition at line 88 of file base_codec.hpp.

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

• include/jau/base_codec.hpp