Represent alphabets whose "letters" are plain chars. More...

#include <char.hh>

Collaboration diagram for vcsn::char_letters:

Public Types
using	letter_t = char

using	word_t = std::string

Public Member Functions
word_t	to_word (const letter_t l) const
	Convert to word. More...

const word_t &	to_word (const word_t &l) const
	Convert to word. More...

word_t	mul (const letter_t l, const letter_t r) const
	Concatenation. More...

word_t	mul (const word_t &l, const letter_t r) const
	Concatenation. More...

word_t	mul (const letter_t l, const word_t &r) const
	Concatenation. More...

word_t	mul (const word_t &l, const word_t &r) const
	Concatenation. More...

word_t	delimit (const word_t &w) const
	Add the special character first and last. More...

word_t	undelimit (const word_t &w) const
	Remove first and last characters, that must be "special". More...

word_t	transpose (const word_t &w) const
	Mirror label. More...

letter_t	transpose (letter_t l) const
	Mirror label. More...

bool	is_letter (const letter_t) const
	Whether is a letter. More...

bool	is_letter (const word_t &w) const
	Whether is a single-letter word. More...

std::ostream &	print (const letter_t l, std::ostream &o, format fmt={}) const
	Print a letter. More...

std::ostream &	print (const word_t &w, std::ostream &o, format fmt={}) const
	Print a word. More...

Static Public Member Functions
static symbol	sname ()

static word_t	empty_word ()
	One. More...

static bool	is_empty_word (const word_t &w)
	Whether is one. More...

static bool	equal (const letter_t l, const letter_t r)
	Whether l == r. More...

static bool	equal (const word_t &l, const word_t &r)
	Whether l == r. More...

static bool	less (const letter_t l, const letter_t r)
	Whether l < r. More...

static bool	less (const word_t &l, const word_t &r)
	Whether l < r. More...

static constexpr letter_t	one_letter ()
	The reserved letter used to forge the "one" label (the unit, the identity). More...

static letter_t	get_letter (std::istream &i, bool quoted=true)
	Read one letter from i. More...

template<typename T = letter_t>
static T	special ()
	Special character, used to label transitions from pre() and to post(). More...

Static Private Member Functions
static constexpr letter_t	special_letter ()
	The reserved letter used to forge the labels for initial and final transitions. More...

Detailed Description

Represent alphabets whose "letters" are plain chars.

Definition at line 16 of file char.hh.

Member Typedef Documentation

using vcsn::char_letters::letter_t = char

Definition at line 19 of file char.hh.

using vcsn::char_letters::word_t = std::string

Definition at line 20 of file char.hh.

Member Function Documentation

word_t vcsn::char_letters::delimit ( const word_t & w ) const

inline

Add the special character first and last.

Definition at line 81 of file char.hh.

References mul(), and special_letter().

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static word_t vcsn::char_letters::empty_word ( )

inlinestatic

One.

Definition at line 98 of file char.hh.

static bool vcsn::char_letters::equal	(	const letter_t	l,
		const letter_t	r
	)

inlinestatic

Whether l == r.

Definition at line 126 of file char.hh.

static bool vcsn::char_letters::equal	(	const word_t &	l,
		const word_t &	r
	)

inlinestatic

Whether l == r.

Definition at line 132 of file char.hh.

static letter_t vcsn::char_letters::get_letter	(	std::istream &	i,
		bool	quoted = `true`
	)

inlinestatic

Read one letter from i.

Either a single char, or a "letter" enclosed in single-quotes.

Definition at line 181 of file char.hh.

References vcsn::eat(), and vcsn::get_char().

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static bool vcsn::char_letters::is_empty_word ( const word_t & w )

inlinestatic

Whether is one.

Definition at line 105 of file char.hh.

bool vcsn::char_letters::is_letter ( const letter_t ) const

inline

Whether is a letter.

Definition at line 152 of file char.hh.

bool vcsn::char_letters::is_letter ( const word_t & w ) const

inline

Whether is a single-letter word.

Definition at line 158 of file char.hh.

static bool vcsn::char_letters::less	(	const letter_t	l,
		const letter_t	r
	)

inlinestatic

Whether l < r.

Definition at line 138 of file char.hh.

static bool vcsn::char_letters::less	(	const word_t &	l,
		const word_t &	r
	)

inlinestatic

Whether l < r.

Definition at line 145 of file char.hh.

word_t vcsn::char_letters::mul	(	const letter_t	l,
		const letter_t	r
	)		const

inline

Concatenation.

Definition at line 44 of file char.hh.

References one_letter().

Referenced by delimit().

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word_t vcsn::char_letters::mul	(	const word_t &	l,
		const letter_t	r
	)		const

inline

Concatenation.

Definition at line 61 of file char.hh.

References one_letter().

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word_t vcsn::char_letters::mul	(	const letter_t	l,
		const word_t &	r
	)		const

inline

Concatenation.

Definition at line 68 of file char.hh.

References one_letter().

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word_t vcsn::char_letters::mul	(	const word_t &	l,
		const word_t &	r
	)		const

inline

Concatenation.

Definition at line 75 of file char.hh.

static constexpr letter_t vcsn::char_letters::one_letter ( )

inlinestatic

The reserved letter used to forge the "one" label (the unit, the identity).

Definition at line 165 of file char.hh.

Referenced by mul().

std::ostream& vcsn::char_letters::print	(	const letter_t	l,
		std::ostream &	o,
		format	fmt = `{}`
	)		const

inline

Print a letter.

Definition at line 197 of file char.hh.

std::ostream& vcsn::char_letters::print	(	const word_t &	w,
		std::ostream &	o,
		format	fmt = `{}`
	)		const

inline

Print a word.

Definition at line 237 of file char.hh.

static symbol vcsn::char_letters::sname ( )

inlinestatic

Definition at line 22 of file char.hh.

template<typename T = letter_t>

static T vcsn::char_letters::special ( )

static

Special character, used to label transitions from pre() and to post().

static constexpr letter_t vcsn::char_letters::special_letter ( )

inlinestaticprivate

The reserved letter used to forge the labels for initial and final transitions.

Use the public special() interface.

The value is chosen to put subliminal transitions last when sorted. Requires unsigned comparison.

Definition at line 175 of file char.hh.

Referenced by delimit(), and undelimit().

word_t vcsn::char_letters::to_word ( const letter_t l ) const

inline

Convert to word.

Definition at line 30 of file char.hh.

const word_t& vcsn::char_letters::to_word ( const word_t & l ) const

inline

Convert to word.

Definition at line 37 of file char.hh.

word_t vcsn::char_letters::transpose ( const word_t & w ) const

inline

Mirror label.

Definition at line 112 of file char.hh.

letter_t vcsn::char_letters::transpose ( letter_t l ) const

inline

Mirror label.

Definition at line 120 of file char.hh.

word_t vcsn::char_letters::undelimit ( const word_t & w ) const

inline

Remove first and last characters, that must be "special".

Definition at line 87 of file char.hh.

References special_letter().

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

vcsn/alphabets/char.hh

Public Types

Public Member Functions

Static Public Member Functions

Static Private Member Functions

Detailed Description

Member Typedef Documentation

Member Function Documentation