Implementation of labels are nullables (letter or empty). More...

#include <fwd.hh>

Collaboration diagram for vcsn::nullableset< LabelSet >:

Public Types
using	labelset_t = LabelSet

using	labelset_ptr = std::shared_ptr< const labelset_t >

using	self_t = nullableset

using	helper_t = detail::nullable_helper< labelset_t >

using	kind_t = labels_are_nullable

using	value_t = typename helper_t::value_t

using	letter_t = typename labelset_t::letter_t

using	word_t = typename labelset_t::word_t

using	genset_ptr = decltype(ls_->genset())

using	genset_t = decltype(ls_->generators())

Public Member Functions
	nullableset (const labelset_ptr &ls)

	nullableset (const labelset_t &ls={})

	~nullableset ()

bool	open (bool o) const
	Whether unknown letters should be added, or rejected. More...

bool	is_valid (value_t v) const

genset_ptr	genset () const

decltype(auto)	generators () const
	The generators. More...

decltype(auto)	pregenerators () const
	The pregenerators. More...

value_t	conv (self_t, value_t v) const

value_t	conv (oneset, typename oneset::value_t) const

template<typename LabelSet_ >
value_t	conv (const LabelSet_ &ls, typename LabelSet_::value_t v) const
	Conversion from another type: first by the wrapped labelset, and then by our wrappers (in case the wrapped labelset does not support "one"). More...

const labelset_ptr	labelset () const

template<typename... Args>
value_t	value (Args &&... args) const

word_t	word (const value_t &l) const

auto	letters_of_padded (const word_t &v, letter_t l) const -> decltype(ls_->letters_of_padded(v, l))
	Prepare to iterate over the letters of v. More...

auto	letters_of_padded (value_t v, letter_t l) const -> decltype(this->letters_of_padded(this->word(v), l))

value_t	mul (const value_t &l, const value_t &r) const
	The concatenation. More...

value_t	lgcd (const value_t &l, const value_t &r) const
	The longest common prefix. More...

value_t	ldivide (const value_t &l, const value_t &r) const
	Compute l \ r = l^{-1}r. More...

boost::optional< value_t >	maybe_ldivide (const value_t &l, const value_t &r) const

value_t	rdivide (const value_t &l, const value_t &r) const
	Compute l / r. More...

boost::optional< value_t >	maybe_rdivide (const value_t &l, const value_t &r) const

letter_t	get_letter (std::istream &i, bool quoted=true) const

value_t	conv (std::istream &i, bool quoted=true) const
	Read a label from a stream. More...

template<typename Fun >
void	convs (std::istream &i, Fun &&fun) const
	Process a label class. More...

value_t	conjunction (const value_t &l, const value_t &r) const

std::ostream &	print (const value_t &l, std::ostream &o=std::cout, format fmt={}) const
	Print label to stream. More...

bool	is_letter (const value_t &v) const

template<typename Value >
Value	transpose (const Value &l) const
	Mirror label. More...

std::ostream &	print_set (std::ostream &o, format fmt={}) const
	Print labelset description. More...

Static Public Member Functions
static symbol	sname ()

static nullableset	make (std::istream &is)
	Build from the description in is. More...

static constexpr bool	has_one ()

static constexpr bool	is_expressionset ()

static constexpr bool	is_letterized ()

static constexpr bool	is_free ()

static ATTRIBUTE_PURE constexpr value_t	one ()

static ATTRIBUTE_PURE bool	is_one (value_t l)

static auto	letters_of (const word_t &v) -> decltype(labelset_t::letters_of(v))
	Prepare to iterate over the letters of v. More...

static int	compare (const value_t &l, const value_t &r)
	Three way comparison between l and r. More...

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

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

static value_t	special ()

static bool	is_special (const value_t &v)

static size_t	size (const value_t &v)

static size_t	hash (const value_t &v)

static labelset_t::value_t	get_value (const value_t &v)
	The (inner) value when it (the outer value) is not one. More...

Private Attributes
labelset_ptr	ls_
	The wrapped LabelSet. More...

Detailed Description

template<typename LabelSet>
class vcsn::nullableset< LabelSet >

Implementation of labels are nullables (letter or empty).

Definition at line 14 of file fwd.hh.

Member Typedef Documentation

◆ genset_ptr

template<typename LabelSet>

using vcsn::nullableset< LabelSet >::genset_ptr = decltype(ls_->genset())

Definition at line 197 of file nullableset.hh.

◆ genset_t

template<typename LabelSet>

using vcsn::nullableset< LabelSet >::genset_t = decltype(ls_->generators())

Definition at line 198 of file nullableset.hh.

◆ helper_t

template<typename LabelSet>

using vcsn::nullableset< LabelSet >::helper_t = detail::nullable_helper<labelset_t>

Definition at line 184 of file nullableset.hh.

◆ kind_t

template<typename LabelSet>

using vcsn::nullableset< LabelSet >::kind_t = labels_are_nullable

Definition at line 185 of file nullableset.hh.

◆ labelset_ptr

template<typename LabelSet>

using vcsn::nullableset< LabelSet >::labelset_ptr = std::shared_ptr<const labelset_t>

Definition at line 182 of file nullableset.hh.

◆ labelset_t

template<typename LabelSet>

using vcsn::nullableset< LabelSet >::labelset_t = LabelSet

Definition at line 181 of file nullableset.hh.

◆ letter_t

template<typename LabelSet>

using vcsn::nullableset< LabelSet >::letter_t = typename labelset_t::letter_t

Definition at line 188 of file nullableset.hh.

◆ self_t

template<typename LabelSet>

using vcsn::nullableset< LabelSet >::self_t = nullableset

Definition at line 183 of file nullableset.hh.

◆ value_t

template<typename LabelSet>

using vcsn::nullableset< LabelSet >::value_t = typename helper_t::value_t

Definition at line 187 of file nullableset.hh.

◆ word_t

template<typename LabelSet>

using vcsn::nullableset< LabelSet >::word_t = typename labelset_t::word_t

Definition at line 189 of file nullableset.hh.

Constructor & Destructor Documentation

◆ nullableset() [1/2]

template<typename LabelSet>

vcsn::nullableset< LabelSet >::nullableset ( const labelset_ptr & ls )

inline

Definition at line 201 of file nullableset.hh.

◆ nullableset() [2/2]

template<typename LabelSet>

vcsn::nullableset< LabelSet >::nullableset ( const labelset_t & ls = {} )

inline

Definition at line 205 of file nullableset.hh.

◆ ~nullableset()

template<typename LabelSet>

vcsn::nullableset< LabelSet >::~nullableset ( )

inline

Definition at line 209 of file nullableset.hh.

Member Function Documentation

◆ compare()

template<typename LabelSet>

static int vcsn::nullableset< LabelSet >::compare	(	const value_t &	l,
		const value_t &	r
	)

inlinestatic

Three way comparison between l and r.

Definition at line 369 of file nullableset.hh.

References vcsn::compare(), vcsn::detail::nullable_helper< LabelSet >::get_value(), vcsn::detail::nullable_helper< LabelSet >::is_one(), and vcsn::res.

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◆ conjunction()

template<typename LabelSet>

value_t vcsn::nullableset< LabelSet >::conjunction	(	const value_t &	l,
		const value_t &	r
	)		const

inline

Definition at line 539 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::get_value(), vcsn::detail::nullable_helper< LabelSet >::is_one(), and vcsn::to_string().

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◆ conv() [1/4]

template<typename LabelSet>

value_t vcsn::nullableset< LabelSet >::conv	(	self_t	,
		value_t	v
	)		const

inline

Definition at line 302 of file nullableset.hh.

References vcsn::detail::v.

◆ conv() [2/4]

template<typename LabelSet>

value_t vcsn::nullableset< LabelSet >::conv	(	oneset	,
		typename oneset::value_t
	)		const

inline

Definition at line 308 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::one().

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◆ conv() [3/4]

template<typename LabelSet>

template<typename LabelSet_ >

value_t vcsn::nullableset< LabelSet >::conv	(	const LabelSet_ &	ls,
		typename LabelSet_::value_t	v
	)		const

inline

Conversion from another type: first by the wrapped labelset, and then by our wrappers (in case the wrapped labelset does not support "one").

Definition at line 318 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::value().

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◆ conv() [4/4]

template<typename LabelSet>

value_t vcsn::nullableset< LabelSet >::conv	(	std::istream &	i,
		bool	quoted = `true`
	)		const

inline

Read a label from a stream.

Definition at line 502 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::value().

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◆ convs()

template<typename LabelSet>

template<typename Fun >

void vcsn::nullableset< LabelSet >::convs	(	std::istream &	i,
		Fun &&	fun
	)		const

inline

Process a label class.

Stream i is right on a [. Read up to the closing ], and process the labels.

For instance "[a-d0-9_]".

Parameters

i	the input stream.
fun	a (label_t) -> void function.

Definition at line 530 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::value().

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◆ equal()

template<typename LabelSet>

static bool vcsn::nullableset< LabelSet >::equal	(	const value_t &	l,
		const value_t &	r
	)

inlinestatic

Whether l == r.

Definition at line 378 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::get_value(), and vcsn::detail::nullable_helper< LabelSet >::is_one().

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◆ generators()

template<typename LabelSet>

decltype(auto) vcsn::nullableset< LabelSet >::generators ( ) const

inline

The generators.

Definition at line 289 of file nullableset.hh.

◆ genset()

template<typename LabelSet>

genset_ptr vcsn::nullableset< LabelSet >::genset ( ) const

inline

Definition at line 282 of file nullableset.hh.

◆ get_letter()

template<typename LabelSet>

letter_t vcsn::nullableset< LabelSet >::get_letter	(	std::istream &	i,
		bool	quoted = `true`
	)		const

inline

Definition at line 495 of file nullableset.hh.

◆ get_value()

template<typename LabelSet>

static labelset_t::value_t vcsn::nullableset< LabelSet >::get_value ( const value_t & v )

inlinestatic

The (inner) value when it (the outer value) is not one.

Definition at line 613 of file nullableset.hh.

Referenced by vcsn::letterset< GenSet >::conv(), and vcsn::wordset< GenSet >::conv().

◆ has_one()

template<typename LabelSet>

static constexpr bool vcsn::nullableset< LabelSet >::has_one ( )

inlinestatic

Definition at line 239 of file nullableset.hh.

◆ hash()

template<typename LabelSet>

static size_t vcsn::nullableset< LabelSet >::hash ( const value_t & v )

inlinestatic

Definition at line 488 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::get_value(), and vcsn::detail::nullable_helper< LabelSet >::is_one().

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◆ is_expressionset()

template<typename LabelSet>

static constexpr bool vcsn::nullableset< LabelSet >::is_expressionset ( )

inlinestatic

Definition at line 245 of file nullableset.hh.

◆ is_free()

template<typename LabelSet>

static constexpr bool vcsn::nullableset< LabelSet >::is_free ( )

inlinestatic

Definition at line 256 of file nullableset.hh.

◆ is_letter()

template<typename LabelSet>

bool vcsn::nullableset< LabelSet >::is_letter ( const value_t & v ) const

inline

Definition at line 566 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::get_value(), and vcsn::detail::nullable_helper< LabelSet >::is_one().

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◆ is_letterized()

template<typename LabelSet>

static constexpr bool vcsn::nullableset< LabelSet >::is_letterized ( )

inlinestatic

Definition at line 251 of file nullableset.hh.

References vcsn::detail::is_letterized().

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◆ is_one()

template<typename LabelSet>

static ATTRIBUTE_PURE bool vcsn::nullableset< LabelSet >::is_one ( value_t l )

inlinestatic

Definition at line 270 of file nullableset.hh.

Referenced by vcsn::letterset< GenSet >::conv(), and vcsn::wordset< GenSet >::conv().

◆ is_special()

template<typename LabelSet>

static bool vcsn::nullableset< LabelSet >::is_special ( const value_t & v )

inlinestatic

Definition at line 477 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::get_value(), vcsn::detail::nullable_helper< LabelSet >::is_one(), and vcsn::detail::is_special().

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◆ is_valid()

template<typename LabelSet>

bool vcsn::nullableset< LabelSet >::is_valid ( value_t v ) const

inline

Definition at line 276 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::get_value(), and vcsn::detail::nullable_helper< LabelSet >::is_one().

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◆ labelset()

template<typename LabelSet>

const labelset_ptr vcsn::nullableset< LabelSet >::labelset ( ) const

inline

Definition at line 323 of file nullableset.hh.

Referenced by vcsn::letterset< GenSet >::conv(), and vcsn::wordset< GenSet >::conv().

◆ ldivide()

template<typename LabelSet>

value_t vcsn::nullableset< LabelSet >::ldivide	(	const value_t &	l,
		const value_t &	r
	)		const

inline

Compute l \ r = l^{-1}r.

Definition at line 421 of file nullableset.hh.

References vcsn::res, and vcsn::to_string().

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◆ less()

template<typename LabelSet>

static bool vcsn::nullableset< LabelSet >::less	(	const value_t &	l,
		const value_t &	r
	)

inlinestatic

Whether l < r.

Definition at line 387 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::get_value(), and vcsn::detail::nullable_helper< LabelSet >::is_one().

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◆ letters_of()

template<typename LabelSet>

static auto vcsn::nullableset< LabelSet >::letters_of ( const word_t & v ) -> decltype(labelset_t::letters_of(v))

inlinestatic

Prepare to iterate over the letters of v.

Definition at line 346 of file nullableset.hh.

References vcsn::detail::v.

◆ letters_of_padded() [1/2]

template<typename LabelSet>

auto vcsn::nullableset< LabelSet >::letters_of_padded	(	const word_t &	v,
		letter_t	l
	)		const -> decltype(ls_->letters_of_padded(v, l))

inline

Prepare to iterate over the letters of v.

This is for the padded case

Definition at line 355 of file nullableset.hh.

References vcsn::detail::v.

◆ letters_of_padded() [2/2]

template<typename LabelSet>

auto vcsn::nullableset< LabelSet >::letters_of_padded	(	value_t	v,
		letter_t	l
	)		const -> decltype(this->letters_of_padded(this->word(v), l))

inline

Definition at line 362 of file nullableset.hh.

References vcsn::detail::v.

◆ lgcd()

template<typename LabelSet>

value_t vcsn::nullableset< LabelSet >::lgcd	(	const value_t &	l,
		const value_t &	r
	)		const

inline

The longest common prefix.

Definition at line 410 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::get_value(), vcsn::detail::nullable_helper< LabelSet >::is_one(), vcsn::detail::nullable_helper< LabelSet >::one(), and vcsn::detail::nullable_helper< LabelSet >::value().

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◆ make()

template<typename LabelSet>

static nullableset vcsn::nullableset< LabelSet >::make ( std::istream & is )

inlinestatic

Build from the description in is.

Definition at line 219 of file nullableset.hh.

References vcsn::eat().

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◆ maybe_ldivide()

template<typename LabelSet>

boost::optional<value_t> vcsn::nullableset< LabelSet >::maybe_ldivide	(	const value_t &	l,
		const value_t &	r
	)		const

inline

Definition at line 431 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::get_value(), vcsn::detail::nullable_helper< LabelSet >::is_one(), vcsn::detail::nullable_helper< LabelSet >::one(), vcsn::res, and vcsn::detail::nullable_helper< LabelSet >::value().

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◆ maybe_rdivide()

template<typename LabelSet>

boost::optional<value_t> vcsn::nullableset< LabelSet >::maybe_rdivide	(	const value_t &	l,
		const value_t &	r
	)		const

inline

Definition at line 456 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::get_value(), vcsn::detail::nullable_helper< LabelSet >::is_one(), vcsn::detail::nullable_helper< LabelSet >::one(), vcsn::res, and vcsn::detail::nullable_helper< LabelSet >::value().

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◆ mul()

template<typename LabelSet>

value_t vcsn::nullableset< LabelSet >::mul	(	const value_t &	l,
		const value_t &	r
	)		const

inline

The concatenation.

Definition at line 398 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::is_one(), and vcsn::to_string().

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◆ one()

template<typename LabelSet>

static ATTRIBUTE_PURE constexpr value_t vcsn::nullableset< LabelSet >::one ( )

inlinestatic

Definition at line 263 of file nullableset.hh.

◆ open()

template<typename LabelSet>

bool vcsn::nullableset< LabelSet >::open ( bool o ) const

inline

Whether unknown letters should be added, or rejected.

Parameters

o	whether to accept unknown letters

Returns: the previous status.

Definition at line 233 of file nullableset.hh.

◆ pregenerators()

template<typename LabelSet>

decltype(auto) vcsn::nullableset< LabelSet >::pregenerators ( ) const

inline

The pregenerators.

Definition at line 296 of file nullableset.hh.

◆ print()

template<typename LabelSet>

std::ostream& vcsn::nullableset< LabelSet >::print	(	const value_t &	l,
		std::ostream &	o = `std::cout`,
		format	fmt = `{}`
	)		const

inline

Print label to stream.

Definition at line 553 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::get_value(), vcsn::detail::nullable_helper< LabelSet >::is_one(), vcsn::format::latex, and vcsn::format::utf8.

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◆ print_set()

template<typename LabelSet>

std::ostream& vcsn::nullableset< LabelSet >::print_set	(	std::ostream &	o,
		format	fmt = `{}`
	)		const

inline

Print labelset description.

Definition at line 581 of file nullableset.hh.

References vcsn::format::latex, and vcsn::format::sname.

◆ rdivide()

template<typename LabelSet>

value_t vcsn::nullableset< LabelSet >::rdivide	(	const value_t &	l,
		const value_t &	r
	)		const

inline

Compute l / r.

Definition at line 446 of file nullableset.hh.

References vcsn::res, and vcsn::to_string().

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◆ size()

template<typename LabelSet>

static size_t vcsn::nullableset< LabelSet >::size ( const value_t & v )

inlinestatic

Definition at line 482 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::get_value(), vcsn::detail::nullable_helper< LabelSet >::is_one(), and vcsn::rat::size().

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◆ sname()

template<typename LabelSet>

static symbol vcsn::nullableset< LabelSet >::sname ( )

inlinestatic

Definition at line 212 of file nullableset.hh.

References vcsn::res, and vcsn::sname().

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◆ special()

template<typename LabelSet>

static value_t vcsn::nullableset< LabelSet >::special ( )

inlinestatic

Definition at line 471 of file nullableset.hh.

◆ transpose()

template<typename LabelSet>

template<typename Value >

Value vcsn::nullableset< LabelSet >::transpose ( const Value & l ) const

inline

Mirror label.

Definition at line 574 of file nullableset.hh.

References vcsn::transpose().

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◆ value()

template<typename LabelSet>

template<typename... Args>

value_t vcsn::nullableset< LabelSet >::value ( Args &&... args ) const

inline

Definition at line 330 of file nullableset.hh.

◆ word()

template<typename LabelSet>

word_t vcsn::nullableset< LabelSet >::word ( const value_t & l ) const

inline

Definition at line 336 of file nullableset.hh.

References vcsn::detail::nullable_helper< LabelSet >::get_value(), vcsn::detail::nullable_helper< LabelSet >::is_one(), and vcsn::detail::make_wordset().

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Member Data Documentation

◆ ls_

template<typename LabelSet>

labelset_ptr vcsn::nullableset< LabelSet >::ls_

private

The wrapped LabelSet.

Declared early to please decltype.

Definition at line 194 of file nullableset.hh.

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

vcsn/labelset/fwd.hh
vcsn/labelset/nullableset.hh

Public Types

Public Member Functions

Static Public Member Functions

Private Attributes

Detailed Description

template<typename LabelSet> class vcsn::nullableset< LabelSet >

Member Typedef Documentation

◆ genset_ptr

◆ genset_t

◆ helper_t

◆ kind_t

◆ labelset_ptr

◆ labelset_t

◆ letter_t

◆ self_t

◆ value_t

◆ word_t

Constructor & Destructor Documentation

◆ nullableset() [1/2]

◆ nullableset() [2/2]

◆ ~nullableset()

Member Function Documentation

◆ compare()

◆ conjunction()

◆ conv() [1/4]

◆ conv() [2/4]

◆ conv() [3/4]

◆ conv() [4/4]

◆ convs()

◆ equal()

◆ generators()

◆ genset()

◆ get_letter()

◆ get_value()

◆ has_one()

◆ hash()

◆ is_expressionset()

◆ is_free()

◆ is_letter()

◆ is_letterized()

◆ is_one()

◆ is_special()

◆ is_valid()

◆ labelset()

◆ ldivide()

◆ less()

◆ letters_of()

◆ letters_of_padded() [1/2]

◆ letters_of_padded() [2/2]

◆ lgcd()

◆ make()

◆ maybe_ldivide()

◆ maybe_rdivide()

◆ mul()

◆ one()

◆ open()

◆ pregenerators()

◆ print()

◆ print_set()

◆ rdivide()

◆ size()

◆ sname()

◆ special()

◆ transpose()

◆ value()

◆ word()

Member Data Documentation

◆ ls_

template<typename LabelSet>
class vcsn::nullableset< LabelSet >