string Struct Reference

Public Member Functions
	string ()
	string (const char *s)
	string (const char *s, unsigned int n)
	string (const string &x)
	~string ()
string &	operator= (const char *s)
string &	operator= (const string &x)
const char *	c_str () const
Data Fields
string::srep *	p
Data Structures
struct	srep

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Detailed Description

Definition at line 21 of file string.icc.

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Constructor & Destructor Documentation

string::string

(

)

[inline]

Definition at line 29 of file string.icc.

References p, and string::srep::s.

{ p = new srep; p->s = 0; } 

string::string

(

const char *

s

)

[inline]

Definition at line 32 of file string.icc.

References p, and string::srep::s.

                        {
    p = new srep; p->s = new char[strlen(s)+1]; strcpy(p->s, s);
  }

string::string	(	const char *	s,
		unsigned int	n
	)			[inline]

Definition at line 37 of file string.icc.

References p, and string::srep::s.

                                        {
    p = new srep; p->s = new char[n+1]; strncpy(p->s, s, n); *(p->s+n) = '\0';
  }

string::string

(

const string &

x

)

[inline]

Definition at line 42 of file string.icc.

References string::srep::n, and p.

{ x.p->n++; p = x.p; }

string::~string

(

)

[inline]

Definition at line 45 of file string.icc.

References string::srep::n, p, and string::srep::s.

{ if (--p->n == 0) { delete [] p->s; delete p; } }

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Member Function Documentation

const char* string::c_str

(

)

const [inline]

Definition at line 69 of file string.icc.

References p, and string::srep::s.

Referenced by operator+().

{ return p->s; }

string& string::operator=

(

const string &

x

)

[inline]

Definition at line 61 of file string.icc.

References string::srep::n, p, and string::srep::s.

                                      {
    x.p->n++;           // protect against "st = st"
    if (--p->n == 0) { delete [] p->s; delete p; }
    p = x.p;
    return *this;
  }

string& string::operator=

(

const char *

s

)

[inline]

Definition at line 48 of file string.icc.

References string::srep::n, p, and string::srep::s.

                                   {
    if (p->n > 1) {     // disconnect self
      p->n--;
      p = new srep;
    }else{
      delete [] p->s;   // free old string
    } 
    p->s = new char[strlen(s)+1];
    strcpy(p->s, s);
    return *this;
  } 

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Field Documentation

struct string::srep * string::p

Referenced by c_str(), operator!=(), operator+(), operator<<(), operator=(), operator==(), string(), and ~string().

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

• string.icc

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