mgutility::basic_string_view< Char > Class Template Reference

A basic string view class template. More...

#include <string_view.hpp>

Public Member Functions
constexpr	basic_string_view () noexcept
	Default constructor.
constexpr	basic_string_view (const Char *str) noexcept
	Constructs a basic_string_view from a C-string.
constexpr	basic_string_view (const std::basic_string< Char > &str) noexcept
	Constructs a basic_string_view from a std::string.
constexpr	basic_string_view (const Char *str, size_t len) noexcept
	Constructs a basic_string_view from a C-string and length.
constexpr	basic_string_view (const basic_string_view &other)
	Copy constructor.
constexpr	basic_string_view (basic_string_view &&other) noexcept
	Move constructor.
MGUTILITY_CNSTXPR basic_string_view< Char > &	operator= (const basic_string_view &other) noexcept
	Copy assignment operator.
MGUTILITY_CNSTXPR basic_string_view< Char > &	operator= (basic_string_view &&other) noexcept
	Move assignment operator.
constexpr const Char	operator[] (size_t index) const noexcept
	Accesses the character at the given index.
constexpr const Char *	begin () const noexcept
	Returns an iterator to the beginning of the string.
constexpr const Char *	end () const noexcept
	Returns an iterator to the end of the string.
constexpr bool	empty () const noexcept
	Checks if the string is empty.
constexpr size_t	size () const noexcept
	Returns the size of the string.
constexpr const Char *	data () const noexcept
	Returns a pointer to the underlying data.
constexpr basic_string_view< Char >	substr (size_t begin, size_t len=0U) const noexcept
	Returns a substring view.
constexpr size_t	rfind (Char c, size_t pos=npos) const noexcept
	Finds the last occurrence of a character.
constexpr size_t	find (Char c, size_t pos=0) const noexcept
	Finds the first occurrence of a character.
	operator std::string ()
	Converts the string view to an std::string.
	operator std::string () const
	Converts the string view to an std::string (const version).

Static Public Attributes
static constexpr auto	npos = -1

Friends
constexpr friend bool	operator== (basic_string_view< Char > lhs, basic_string_view< Char > rhs) noexcept
	Equality operator.
constexpr friend bool	operator== (basic_string_view< Char > lhs, const Char *rhs) noexcept
	Equality operator.
constexpr friend bool	operator!= (basic_string_view< Char > lhs, basic_string_view< Char > rhs) noexcept
	Inequality operator.
constexpr friend bool	operator!= (basic_string_view< Char > lhs, const Char *rhs) noexcept
	Inequality operator.
std::ostream &	operator<< (std::ostream &os, const basic_string_view< Char > &sv)
	Stream insertion operator.

Detailed Description

template<typename Char = char>
class mgutility::basic_string_view< Char >

A basic string view class template.

Template Parameters

Char	The character type, default is char.

Constructor & Destructor Documentation

basic_string_view() [1/5]

template<typename Char = char>

constexpr mgutility::basic_string_view< Char >::basic_string_view ( const Char * str )

inlineconstexprnoexcept

Constructs a basic_string_view from a C-string.

Parameters

str	The C-string.

basic_string_view() [2/5]

template<typename Char = char>

constexpr mgutility::basic_string_view< Char >::basic_string_view ( const std::basic_string< Char > & str )

inlineconstexprnoexcept

Constructs a basic_string_view from a std::string.

Parameters

str	The std::string.

basic_string_view() [3/5]

template<typename Char = char>

constexpr mgutility::basic_string_view< Char >::basic_string_view ( const Char * str, size_t len )

inlineconstexprnoexcept

Constructs a basic_string_view from a C-string and length.

Parameters

str	The C-string.
len	The length of the string.

basic_string_view() [4/5]

template<typename Char = char>

constexpr mgutility::basic_string_view< Char >::basic_string_view ( const basic_string_view< Char > & other )

inlineconstexpr

Copy constructor.

Parameters

other

The other basic_string_view to copy.

basic_string_view() [5/5]

template<typename Char = char>

constexpr mgutility::basic_string_view< Char >::basic_string_view ( basic_string_view< Char > && other )

inlineconstexprnoexcept

Move constructor.

Parameters

other

The other basic_string_view to move.

Member Function Documentation

begin()

template<typename Char = char>

constexpr const Char * mgutility::basic_string_view< Char >::begin ( ) const

inlineconstexprnoexcept

Returns an iterator to the beginning of the string.

Returns

A pointer to the first character.

data()

template<typename Char = char>

constexpr const Char * mgutility::basic_string_view< Char >::data ( ) const

inlineconstexprnoexcept

Returns a pointer to the underlying data.

Returns

A pointer to the data.

empty()

template<typename Char = char>

constexpr bool mgutility::basic_string_view< Char >::empty ( ) const

inlineconstexprnoexcept

Checks if the string is empty.

Returns

True if the string is empty, otherwise false.

end()

template<typename Char = char>

constexpr const Char * mgutility::basic_string_view< Char >::end ( ) const

inlineconstexprnoexcept

Returns an iterator to the end of the string.

Returns

A pointer to one past the last character.

find()

template<typename Char = char>

constexpr size_t mgutility::basic_string_view< Char >::find ( Char c, size_t pos = 0 ) const

inlineconstexprnoexcept

Finds the first occurrence of a character.

Parameters

c	The character to find.
pos	The position to start from, default is 0.

Returns

The position of the character or npos if not found.

operator std::string() [1/2]

template<typename Char = char>

mgutility::basic_string_view< Char >::operator std::string ( )

inline

Converts the string view to an std::string.

Returns

An std::string representing the same string.

operator std::string() [2/2]

template<typename Char = char>

mgutility::basic_string_view< Char >::operator std::string ( ) const

inline

Converts the string view to an std::string (const version).

Returns

An std::string representing the same string.

operator=() [1/2]

template<typename Char = char>

MGUTILITY_CNSTXPR basic_string_view< Char > & mgutility::basic_string_view< Char >::operator= ( basic_string_view< Char > && other )

inlinenoexcept

Move assignment operator.

Parameters

other

The other basic_string_view to move.

Returns

A reference to this object.

operator=() [2/2]

template<typename Char = char>

MGUTILITY_CNSTXPR basic_string_view< Char > & mgutility::basic_string_view< Char >::operator= ( const basic_string_view< Char > & other )

inlinenoexcept

Copy assignment operator.

Parameters

other

The other basic_string_view to copy.

Returns

A reference to this object.

operator[]()

template<typename Char = char>

constexpr const Char mgutility::basic_string_view< Char >::operator[] ( size_t index ) const

inlineconstexprnoexcept

Accesses the character at the given index.

Parameters

index

The index.

Returns

The character at the index.

rfind()

template<typename Char = char>

constexpr size_t mgutility::basic_string_view< Char >::rfind ( Char c, size_t pos = npos ) const

inlineconstexprnoexcept

Finds the last occurrence of a character.

Parameters

c	The character to find.
pos	The position to start from, default is npos.

Returns

The position of the character or npos if not found.

size()

template<typename Char = char>

constexpr size_t mgutility::basic_string_view< Char >::size ( ) const

inlineconstexprnoexcept

Returns the size of the string.

Returns

The size of the string.

substr()

template<typename Char = char>

constexpr basic_string_view< Char > mgutility::basic_string_view< Char >::substr ( size_t begin, size_t len = 0U ) const

inlineconstexprnoexcept

Returns a substring view.

Parameters

begin	The starting position.
len	The length of the substring.

Returns

A basic_string_view representing the substring.

Friends And Related Symbol Documentation

operator!= [1/2]

template<typename Char = char>

constexpr friend bool operator!= ( basic_string_view< Char > lhs, basic_string_view< Char > rhs )

friend

Inequality operator.

Parameters

lhs	The left-hand side basic_string_view.
rhs	The right-hand side basic_string_view.

Returns

True if the strings are not equal, otherwise false.

operator!= [2/2]

template<typename Char = char>

constexpr friend bool operator!= ( basic_string_view< Char > lhs, const Char * rhs )

friend

Inequality operator.

Parameters

lhs	The left-hand side basic_string_view.
rhs	The right-hand side C-string.

Returns

True if the strings are not equal, otherwise false.

operator<<

template<typename Char = char>

std::ostream & operator<< ( std::ostream & os, const basic_string_view< Char > & sv )

friend

Stream insertion operator.

Parameters

os	The output stream.
sv	The basic_string_view.

Returns

A reference to the output stream.

operator== [1/2]

template<typename Char = char>

constexpr friend bool operator== ( basic_string_view< Char > lhs, basic_string_view< Char > rhs )

friend

Equality operator.

Parameters

lhs	The left-hand side basic_string_view.
rhs	The right-hand side basic_string_view.

Returns

True if the strings are equal, otherwise false.

operator== [2/2]

template<typename Char = char>

constexpr friend bool operator== ( basic_string_view< Char > lhs, const Char * rhs )

friend

Equality operator.

Parameters

lhs	The left-hand side basic_string_view.
rhs	The right-hand side C-string.

Returns

True if the strings are equal, otherwise false.

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

• /home/runner/work/chrono_parse/chrono_parse/include/mgutility/std/string_view.hpp