jau::lang::alphabet Class Reference

Base Alphabet Specification providing the alphabet for token_fsm. More...

#include <token_fsm.hpp>

Inheritance diagram for jau::lang::alphabet:

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Public Types
typedef code_point_t(*	code_point_func) (const char c) noexcept
typedef uint16_t	code_point_t
	Unsigned int symbol for alphabet code-point type.

Public Member Functions
	alphabet (std::string _name, code_point_t _base, code_point_func _cpf) noexcept
constexpr code_point_t	base () const noexcept
	The fixed base used for this alphabet, i.e.
constexpr code_point_t	code_point (const char c) const noexcept
	Returns the token of the given character or code_error if not element of this alphabet.
constexpr const std::string &	name () const noexcept
	Human readable name for this alphabet instance.
std::string	to_string () const noexcept

Static Public Attributes
static constexpr const code_point_t	code_error = std::numeric_limits<code_point_t>::max()
	token_error value, denoting an invalid alphabet code-point.

Detailed Description

Base Alphabet Specification providing the alphabet for token_fsm.

Implementation delegates static code_point() function.

See also

token_fsm()

Definition at line 75 of file token_fsm.hpp.

Member Typedef Documentation

code_point_t

typedef uint16_t jau::lang::alphabet::code_point_t

Unsigned int symbol for alphabet code-point type.

Definition at line 80 of file token_fsm.hpp.

code_point_func

typedef code_point_t(* jau::lang::alphabet::code_point_func) (const char c) noexcept

noexcept

Definition at line 87 of file token_fsm.hpp.

Constructor & Destructor Documentation

alphabet()

jau::lang::alphabet::alphabet ( std::string _name, code_point_t _base, code_point_func _cpf )

inlinenoexcept

Definition at line 95 of file token_fsm.hpp.

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Member Function Documentation

name()

const std::string & jau::lang::alphabet::name ( ) const

inlineconstexprnoexcept

Human readable name for this alphabet instance.

Definition at line 99 of file token_fsm.hpp.

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base()

code_point_t jau::lang::alphabet::base ( ) const

inlineconstexprnoexcept

The fixed base used for this alphabet, i.e.

number of token.

Definition at line 102 of file token_fsm.hpp.

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code_point()

code_point_t jau::lang::alphabet::code_point ( const char c ) const

inlineconstexprnoexcept

Returns the token of the given character or code_error if not element of this alphabet.

Definition at line 105 of file token_fsm.hpp.

to_string()

std::string jau::lang::alphabet::to_string ( ) const

inlinenoexcept

Definition at line 107 of file token_fsm.hpp.

Member Data Documentation

code_error

const code_point_t jau::lang::alphabet::code_error = std::numeric_limits<code_point_t>::max()

inlinestaticconstexpr

token_error value, denoting an invalid alphabet code-point.

Definition at line 85 of file token_fsm.hpp.

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

• include/jau/token_fsm.hpp