StringRef Class Reference

#include <string_ref.hh>

Inherited by LPadded, and RPadded.

Public Types
typedef char *	iterator
typedef const char *	const_iterator
typedef char	value_type

Public Member Functions
	StringRef (const char *begin, size_t len)
	StringRef ()
const char *	begin () const
const char *	end () const
const char *	data () const
size_t	size () const
size_t	length () const
char	front () const
const_iterator	find (char p) const
StringRef	substr (size_t pos, size_t n=std::string::npos) const
std::string	str () const
char	back () const
const char &	operator[] (int index) const
bool	operator== (const StringRef &rhs) const
bool	operator!= (const StringRef &rhs) const
StringRef	rtrim () const
StringRef	ltrim () const
StringRef	trim () const
std::pair< bool, int >	to_int () const
std::pair< bool, float >	to_float () const
bool	empty () const
std::vector< StringRef >	split (char p) const
std::vector< StringRef >	split () const
std::string	str_no_whitespace () const

---

Detailed Description

convenient datatype for referencing character data

Note:

it is not in general safe to store a StringRef as it does not guarantee that the character data it points to stays alive.

Definition at line 39 of file string_ref.hh.

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Member Typedef Documentation

typedef const char* const_iterator

Definition at line 43 of file string_ref.hh.

typedef char* iterator

Definition at line 42 of file string_ref.hh.

typedef char value_type

Definition at line 44 of file string_ref.hh.

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Constructor & Destructor Documentation

StringRef ( const char *  begin, size_t  len  )

inline

Definition at line 46 of file string_ref.hh.

StringRef ( )

inline

Definition at line 47 of file string_ref.hh.

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Member Function Documentation

char back ( ) const

inline

Definition at line 98 of file string_ref.hh.

const char* begin ( ) const

inline

Definition at line 50 of file string_ref.hh.

const char* data ( ) const

inline

Definition at line 52 of file string_ref.hh.

bool empty ( ) const

inline

Definition at line 146 of file string_ref.hh.

const char* end ( ) const

inline

Definition at line 51 of file string_ref.hh.

const_iterator find ( char  p ) const

inline

find character in StringRef

Returns:

iterator position when found, else iterator pointing to the end

Definition at line 65 of file string_ref.hh.

char front ( ) const

inline

Definition at line 57 of file string_ref.hh.

size_t length ( ) const

inline

Definition at line 55 of file string_ref.hh.

StringRef ltrim ( ) const

inline

strip space characters on the left

Definition at line 122 of file string_ref.hh.

bool operator!= ( const StringRef &  rhs ) const

inline

Definition at line 111 of file string_ref.hh.

bool operator== ( const StringRef &  rhs ) const

inline

Definition at line 106 of file string_ref.hh.

const char& operator[] ( int  index ) const

inline

Definition at line 104 of file string_ref.hh.

StringRef rtrim ( ) const

inline

strip space characters on the right

Definition at line 115 of file string_ref.hh.

size_t size ( ) const

inline

Definition at line 54 of file string_ref.hh.

std::vector<StringRef> split

(

char

p

)

const

split string into chunks delimited by p

std::vector<StringRef> split

(

)

const

split string into chunks delimited by whitespace

std::string str ( ) const

inline

Definition at line 94 of file string_ref.hh.

std::string str_no_whitespace

(

)

const

returns a new string with all whitespace removed from this StringRef

StringRef substr ( size_t  pos, size_t  n = std::string::npos  ) const

inline

returns a substring of the string

Parameters:

pos	the starting position of the substring
length	is the length of the string. if std::string::npos, the substring goes from pos to the end of the string The function does on purpose not perform any boundary check in release mode. It's the duty of the caller to make sure the string has the required length.

Definition at line 84 of file string_ref.hh.

std::pair<bool, float> to_float

(

)

const

convert to float

Returns:

a tuple with first set to true and second set to the float if the conversion succeeds. If the conversion fails, first is set to false.

std::pair<bool, int> to_int

(

)

const

convert to integer

Returns:

a tuple with first set to true and second set to the int if the conversion succeeds. If the conversion fails, first is set to false.

StringRef trim ( ) const

inline

strip space characters on the left and the right

Definition at line 130 of file string_ref.hh.

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

• stage/include/ost/string_ref.hh