A zero length substring is legal.

It can start at any character. It is considered to be "pointing" to just before the character.

A "null" substring is a zero length substring that starts with the nonsense index kNPOS. It can be detected with the member function IsNull().

Definition at line 83 of file TString.h.

Public Member Functions
	TSubString (const TSubString &s)

TSubString &	operator= (const char *s)
	Assign char* to sub-string. More...

TSubString &	operator= (const TString &s)
	Assign string to sub-string. More...

TSubString &	operator= (const TSubString &s)

char &	operator() (Ssiz_t i)
	Return character at pos i from sub-string. No check on i. More...

char &	operator[] (Ssiz_t i)
	Return character at pos i from sub-string. Check validity of i. More...

char	operator() (Ssiz_t i) const

char	operator[] (Ssiz_t i) const

	operator std::string_view () const

	operator std::string () const

const char *	Data () const

Ssiz_t	Length () const

Ssiz_t	Start () const

TString &	String ()

void	ToLower ()
	Convert sub-string to lower-case. More...

void	ToUpper ()
	Convert sub-string to upper-case. More...

Bool_t	IsNull () const

int	operator! () const

Protected Member Functions
void	SubStringError (Ssiz_t, Ssiz_t, Ssiz_t) const
	Output error message. More...

void	AssertElement (Ssiz_t i) const
	Check to make sure a sub-string index is in range. More...

Private Member Functions
	TSubString (const TString &s, Ssiz_t start, Ssiz_t len)
	Private constructor. More...

Private Attributes
TString &	fStr

Ssiz_t	fBegin

Ssiz_t	fExtent

Friends
class	TStringLong

class	TString

Bool_t	operator== (const TSubString &s1, const TSubString &s2)
	Compare two sub-strings. More...

Bool_t	operator== (const TSubString &s1, const TString &s2)
	Compare sub-string to string. More...

Bool_t	operator== (const TSubString &s1, const char *s2)
	Compare sub-string to char *. More...

#include <TString.h>

Constructor & Destructor Documentation

TSubString::TSubString	(	const TString &	s,
		Ssiz_t	start,
		Ssiz_t	len
	)

private

Private constructor.

Definition at line 1594 of file TString.cxx.

TSubString::TSubString ( const TSubString & s )

inline

Definition at line 105 of file TString.h.

Member Function Documentation

void TSubString::AssertElement ( Ssiz_t i ) const

protected

Check to make sure a sub-string index is in range.

Definition at line 1738 of file TString.cxx.

Referenced by operator[]().

const char * TSubString::Data ( ) const

inline

Definition at line 669 of file TString.h.

Referenced by TRootAuth::Authenticate(), TSQLiteStatement::GetTimestamp(), operator std::string(), operator std::string_view(), TString::operator=(), cling::printValue(), and TString::TString().

Bool_t TSubString::IsNull ( ) const

inline

Definition at line 127 of file TString.h.

Referenced by TRootAuth::Authenticate(), operator=(), TString::operator=(), operator==(), ToLower(), ToUpper(), and TString::TString().

Ssiz_t TSubString::Length ( ) const

inline

Definition at line 120 of file TString.h.

Referenced by TDocHtmlDirective::AddLine(), TDocLatexDirective::AddLine(), TDocOutput::AddLink(), AssertElement(), TClassDocOutput::ListDataMembers(), TString::operator=(), cling::printValue(), and TString::TString().

TSubString::operator std::string ( ) const

inline

Definition at line 117 of file TString.h.

TSubString::operator std::string_view ( ) const

inline

Definition at line 116 of file TString.h.

int TSubString::operator! ( ) const

inline

Definition at line 128 of file TString.h.

char & TSubString::operator() ( Ssiz_t i )

Return character at pos i from sub-string. No check on i.

Definition at line 1640 of file TString.cxx.

char TSubString::operator() ( Ssiz_t i ) const

inline

Definition at line 692 of file TString.h.

TSubString & TSubString::operator= ( const char * s )

Assign char* to sub-string.

Definition at line 1659 of file TString.cxx.

TSubString & TSubString::operator= ( const TString & s )

Assign string to sub-string.

Definition at line 1648 of file TString.cxx.

TSubString & TSubString::operator= ( const TSubString & s )

inline

Definition at line 695 of file TString.h.

char & TSubString::operator[] ( Ssiz_t i )

Return character at pos i from sub-string. Check validity of i.

Definition at line 1631 of file TString.cxx.

char TSubString::operator[] ( Ssiz_t i ) const

inline

Definition at line 689 of file TString.h.

Ssiz_t TSubString::Start ( ) const

inline

Definition at line 121 of file TString.h.

Referenced by TDocHtmlDirective::AddLine(), TDocMacroDirective::AddLine(), TDocOutput::AddLink(), and TClassDocOutput::ListDataMembers().

TString& TSubString::String ( )

inline

Definition at line 122 of file TString.h.

Referenced by TDocHtmlDirective::AddLine(), and TDocOutput::AddLink().

void TSubString::SubStringError	(	Ssiz_t	sr,
		Ssiz_t	start,
		Ssiz_t	n
	)		const

protected

Output error message.

Definition at line 1729 of file TString.cxx.

void TSubString::ToLower ( )

Convert sub-string to lower-case.

Definition at line 1705 of file TString.cxx.

void TSubString::ToUpper ( )

Convert sub-string to upper-case.

Definition at line 1717 of file TString.cxx.

Friends And Related Function Documentation

Bool_t operator==	(	const TSubString &	s1,
		const TSubString &	s2
	)

friend

Compare two sub-strings.

Definition at line 1694 of file TString.cxx.

Bool_t operator==	(	const TSubString &	s1,
		const TString &	s2
	)

friend

Compare sub-string to string.

Definition at line 1684 of file TString.cxx.

Bool_t operator==	(	const TSubString &	s1,
		const char *	s2
	)

friend

Compare sub-string to char *.

Definition at line 1670 of file TString.cxx.

friend class TString

friend

Definition at line 86 of file TString.h.

friend class TStringLong

friend

Definition at line 85 of file TString.h.

Member Data Documentation

Ssiz_t TSubString::fBegin

private

Definition at line 94 of file TString.h.

Referenced by Data(), IsNull(), operator!(), operator()(), operator=(), operator==(), operator[](), Start(), ToLower(), and ToUpper().

Ssiz_t TSubString::fExtent

private

Definition at line 95 of file TString.h.

Referenced by Length(), operator std::string(), operator std::string_view(), operator=(), operator==(), ToLower(), and ToUpper().

TString& TSubString::fStr

private

Definition at line 93 of file TString.h.

Referenced by Data(), operator()(), operator=(), operator==(), operator[](), String(), ToLower(), and ToUpper().

Collaboration diagram for TSubString:

[legend]

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

core/base/inc/TString.h
core/base/src/TString.cxx

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Friends

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation