library: libCore
#include "TString.h"

TSubString

class description - header file
viewCVS header

class TSubString

Inheritance Inherited Members Includes Libraries

Function Members (Methods)

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public:

	TSubString(const TSubString& s)
	~TSubString()
const char*	Data() const
Bool_t	IsNull() const
Ssiz_t	Length() const
int	operator!() const
char&	operator()(Ssiz_t i)
char	operator()(Ssiz_t i) const
TSubString&	operator=(const char* s)
TSubString&	operator=(const TString& s)
TSubString&	operator=(const TSubString&)
char&	operator[](Ssiz_t i)
char	operator[](Ssiz_t i) const
Ssiz_t	Start() const
void	ToLower()
void	ToUpper()

protected:

void	AssertElement(Ssiz_t i) const
void	SubStringError(Ssiz_t, Ssiz_t, Ssiz_t) const

private:

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

Data Members

private:

TString*	fStr	Referenced string
Ssiz_t	fBegin	Index of starting character
Ssiz_t	fExtent	Length of TSubString

Class Description

const char * Data()

{ return fStr->Data() + fBegin; }

char operator[](Ssiz_t i)

 Access to elements of sub-string with bounds checking

{ AssertElement(i); return fStr->fData[fBegin+i]; }

char operator()(Ssiz_t i)

{ return fStr->fData[fBegin+i]; }

Ssiz_t Length()

{ return fNchars; }

char & operator[](Ssiz_t i)

{ return ((char*)(this+1))[i]; }

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

 NB: the only constructor is private

void SubStringError(Ssiz_t, Ssiz_t, Ssiz_t)

void AssertElement(Ssiz_t i)

TSubString(const TSubString &s)

{ }

TSubString & operator=(const char *s)

TSubString & operator=(const TString &s)

char & operator()(Ssiz_t i)

Ssiz_t Start()

{ return fBegin; }

void ToLower()

void ToUpper()

Bool_t IsNull()

 For detecting null substrings

{ return fBegin == kNPOS; }

int operator!()

{ return fBegin == kNPOS; }

TString & operator=(char s)

 Assignment

Last update: Tue Nov 21 09:38:55 2006

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