An argument-accepting flag class. More...

#include <args.hxx>

Inheritance diagram for args::ValueFlag< T, Reader >:

Public Member Functions
	ValueFlag (Group &group_, const std::string &name_, const std::string &help_, Matcher &&matcher_, const T &defaultValue_, Options options_)

	ValueFlag (Group &group_, const std::string &name_, const std::string &help_, Matcher &&matcher_, const T &defaultValue_=T(), const bool extraError_=false)

	ValueFlag (Group &group_, const std::string &name_, const std::string &help_, Matcher &&matcher_, Options options_)

virtual void	ParseValue (const std::vector< std::string > &values_) override
	Parse values of this option. More...

virtual void	Reset () noexcept override

T &	Get () noexcept
	Get the value.

const T &	GetDefault () noexcept
	Get the default value.

Public Member Functions inherited from args::ValueFlagBase
	ValueFlagBase (const std::string &name_, const std::string &help_, Matcher &&matcher_, const bool extraError_=false)

	ValueFlagBase (const std::string &name_, const std::string &help_, Matcher &&matcher_, Options options_)

virtual Nargs	NumberOfArguments () const noexcept override
	Defines how many values can be consumed by this option. More...

Public Member Functions inherited from args::FlagBase
	FlagBase (const std::string &name_, const std::string &help_, Matcher &&matcher_, const bool extraError_=false)

	FlagBase (const std::string &name_, const std::string &help_, Matcher &&matcher_, Options options_)

virtual FlagBase *	Match (const EitherFlag &flag) override

virtual std::vector< FlagBase * >	GetAllFlags () override

const Matcher &	GetMatcher () const

virtual void	Validate (const std::string &shortPrefix, const std::string &longPrefix) const override

virtual std::vector< std::string >	GetProgramLine (const HelpParams &params) const override

virtual bool	HasFlag () const override

Public Member Functions inherited from args::NamedBase
	NamedBase (const std::string &name_, const std::string &help_, Options options_={})

void	HelpDefault (const std::string &str)
	Sets default value string that will be added to argument description. More...

std::string	HelpDefault (const HelpParams &params) const
	Gets default value string that will be added to argument description.

void	HelpChoices (const std::vector< std::string > &array)
	Sets choices strings that will be added to argument description. More...

std::vector< std::string >	HelpChoices (const HelpParams &params) const
	Gets choices strings that will be added to argument description.

virtual std::vector< std::tuple< std::string, std::string, unsigned > >	GetDescription (const HelpParams &params, const unsigned indentLevel) const override

virtual std::string	Name () const

Public Member Functions inherited from args::Base
	Base (const std::string &help_, Options options_={})

Options	GetOptions () const noexcept

bool	IsRequired () const noexcept

virtual bool	Matched () const noexcept

	operator bool () const noexcept

virtual std::vector< Command * >	GetCommands ()

virtual bool	IsGroup () const

virtual PositionalBase *	GetNextPositional ()

virtual bool	HasPositional () const

virtual bool	HasCommand () const

void	KickOut (bool kickout_) noexcept
	Sets a kick-out value for building subparsers.

bool	KickOut () const noexcept
	Gets the kick-out value for building subparsers.

Protected Member Functions
virtual std::string	GetDefaultString (const HelpParams &) const override

Protected Member Functions inherited from args::FlagBase
virtual std::string	GetNameString (const HelpParams &params) const override

Protected Member Functions inherited from args::NamedBase
virtual std::vector< std::string >	GetChoicesStrings (const HelpParams &) const

void	AddDescriptionPostfix (std::string &dest, const bool isManual, const std::string &manual, bool isGenerated, const std::string &generated, const std::string &str) const

Protected Attributes
T	value

T	defaultValue

Protected Attributes inherited from args::FlagBase
const Matcher	matcher

Protected Attributes inherited from args::NamedBase
const std::string	name

bool	kickout = false

std::string	defaultString

bool	defaultStringManual = false

std::vector< std::string >	choicesStrings

bool	choicesStringManual = false

Protected Attributes inherited from args::Base
bool	matched = false

const std::string	help

Detailed Description

template<typename T, typename Reader = ValueReader>
class args::ValueFlag< T, Reader >

An argument-accepting flag class.

Template Parameters

T	the type to extract the argument as
Reader	The functor type used to read the argument, taking the name, value, and destination reference with operator(), and returning a bool (if ARGS_NOEXCEPT is defined)