basic_string.h

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      void 
      swap(basic_string<_CharT, _Traits, _Alloc>& __s);

      // String operations:
      const _CharT* 
      c_str() const
      {
	// MT: This assumes concurrent writes are OK.
	size_type __n = this->size();
	traits_type::assign(_M_data()[__n], _Rep::_S_terminal);
        return _M_data();
      }

      const _CharT* 
      data() const { return _M_data(); }

      allocator_type 
      get_allocator() const { return _M_dataplus; }

      size_type 
      find(const _CharT* __s, size_type __pos, size_type __n) const;

      size_type 
      find(const basic_string& __str, size_type __pos = 0) const
      { return this->find(__str.data(), __pos, __str.size()); }

      size_type 
      find(const _CharT* __s, size_type __pos = 0) const
      { return this->find(__s, __pos, traits_type::length(__s)); }

      size_type 
      find(_CharT __c, size_type __pos = 0) const;

      size_type 
      rfind(const basic_string& __str, size_type __pos = npos) const
      { return this->rfind(__str.data(), __pos, __str.size()); }

      size_type 
      rfind(const _CharT* __s, size_type __pos, size_type __n) const;

      size_type 
      rfind(const _CharT* __s, size_type __pos = npos) const
      { return this->rfind(__s, __pos, traits_type::length(__s)); }

      size_type 
      rfind(_CharT __c, size_type __pos = npos) const;

      size_type 
      find_first_of(const basic_string& __str, size_type __pos = 0) const
      { return this->find_first_of(__str.data(), __pos, __str.size()); }

      size_type 
      find_first_of(const _CharT* __s, size_type __pos, size_type __n) const;

      size_type 
      find_first_of(const _CharT* __s, size_type __pos = 0) const
      { return this->find_first_of(__s, __pos, traits_type::length(__s)); }

      size_type 
      find_first_of(_CharT __c, size_type __pos = 0) const
      { return this->find(__c, __pos); }

      size_type 
      find_last_of(const basic_string& __str, size_type __pos = npos) const
      { return this->find_last_of(__str.data(), __pos, __str.size()); }

      size_type 
      find_last_of(const _CharT* __s, size_type __pos, size_type __n) const;

      size_type 
      find_last_of(const _CharT* __s, size_type __pos = npos) const
      { return this->find_last_of(__s, __pos, traits_type::length(__s)); }

      size_type 
      find_last_of(_CharT __c, size_type __pos = npos) const
      { return this->rfind(__c, __pos); }

      size_type 
      find_first_not_of(const basic_string& __str, size_type __pos = 0) const
      { return this->find_first_not_of(__str.data(), __pos, __str.size()); }

      size_type 
      find_first_not_of(const _CharT* __s, size_type __pos, 
			size_type __n) const;

      size_type 
      find_first_not_of(const _CharT* __s, size_type __pos = 0) const
      { return this->find_first_not_of(__s, __pos, traits_type::length(__s)); }

      size_type 
      find_first_not_of(_CharT __c, size_type __pos = 0) const;

      size_type 
      find_last_not_of(const basic_string& __str, size_type __pos = npos) const
      { return this->find_last_not_of(__str.data(), __pos, __str.size()); }

      size_type 
      find_last_not_of(const _CharT* __s, size_type __pos, 
		       size_type __n) const;
      size_type 
      find_last_not_of(const _CharT* __s, size_type __pos = npos) const
      { return this->find_last_not_of(__s, __pos, traits_type::length(__s)); }

      size_type 
      find_last_not_of(_CharT __c, size_type __pos = npos) const;

      basic_string 
      substr(size_type __pos = 0, size_type __n = npos) const
      { 
	__OUTOFRANGE(__pos > this->size());
	return basic_string(*this, __pos, __n); 
      }

      int 
      compare(const basic_string& __str) const
      {
	size_type __size = this->size();
	size_type __osize = __str.size();
	size_type __len = min(__size, __osize);
      
	int __r = traits_type::compare(_M_data(), __str.data(), __len);
	if (!__r)
	  __r =  __size - __osize;
	return __r;
      }

      int 
      compare(size_type __pos, size_type __n, const basic_string& __str) const;

      int 
      compare(size_type __pos1, size_type __n1, const basic_string& __str,
	      size_type __pos2, size_type __n2) const;

      int 
      compare(const _CharT* __s) const;

      int 
      compare(size_type __pos, size_type __n1, const _CharT* __s, 
	      size_type __n2 = npos) const;
 
    private:
      inline static const _CharT* 
      _S_find (const _CharT* __beg, const _CharT* __end, _CharT __c);
  };


  template<typename _CharT, typename _Traits, typename _Alloc>
    inline basic_string<_CharT, _Traits, _Alloc>::
    basic_string()
    : _M_dataplus(_S_empty_rep()._M_refcopy(), _Alloc()) { }

  // operator +
  template<typename _CharT, typename _Traits, typename _Alloc>
    inline basic_string<_CharT, _Traits, _Alloc>
    operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	      const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    {
      basic_string<_CharT, _Traits, _Alloc> __str(__lhs);
      __str.append(__rhs);
      return __str;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline basic_string<_CharT, _Traits, _Alloc>
    operator+(const _CharT* __lhs,
	      const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    {
      typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
      __string_type::size_type __len = _Traits::length(__lhs);
      __string_type __str;
      __str.reserve(__len + __rhs.size());
      __str.append(__lhs, __lhs + __len);
      __str.append(__rhs);
      return __str;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline basic_string<_CharT, _Traits, _Alloc>
    operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    {
      typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
      __string_type __str;
      __string_type::size_type __len = __rhs.size();
      __str.reserve(__len + 1);
      __str.append(__string_type::size_type(1), __lhs);
      __str.append(__rhs);
      return __str;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline basic_string<_CharT, _Traits, _Alloc>
    operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	     const _CharT* __rhs)
    {
      basic_string<_CharT, _Traits, _Alloc> __str(__lhs);
      __str.append(__rhs);
      return __str;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline basic_string<_CharT, _Traits, _Alloc>
    operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
    {
      typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
      __string_type __str(__lhs);
      __str.append(__string_type::size_type(1), __rhs);
      return __str;
    }

  // operator ==
  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    { return __lhs.compare(__rhs) == 0; }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator==(const _CharT* __lhs,
	       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    { return __rhs.compare(__lhs) == 0; }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	       const _CharT* __rhs)
    { return __lhs.compare(__rhs) == 0; }

  // operator !=
  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    { return __rhs.compare(__lhs) != 0; }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator!=(const _CharT* __lhs,
	       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    { return __rhs.compare(__lhs) != 0; }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	       const _CharT* __rhs)
    { return __lhs.compare(__rhs) != 0; }

  // operator <
  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	      const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    { return __lhs.compare(__rhs) < 0; }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	      const _CharT* __rhs)
    { return __lhs.compare(__rhs) < 0; }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator<(const _CharT* __lhs,
	      const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    { return __rhs.compare(__lhs) > 0; }

  // operator >
  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	      const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    { return __lhs.compare(__rhs) > 0; }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	      const _CharT* __rhs)
    { return __lhs.compare(__rhs) > 0; }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator>(const _CharT* __lhs,
	      const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    { return __rhs.compare(__lhs) < 0; }

  // operator <=
  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator<=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    { return __lhs.compare(__rhs) <= 0; }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator<=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	       const _CharT* __rhs)
    { return __lhs.compare(__rhs) <= 0; }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator<=(const _CharT* __lhs,
	       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
  { return __rhs.compare(__lhs) >= 0; }

  // operator >=
  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator>=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    { return __lhs.compare(__rhs) >= 0; }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator>=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
	       const _CharT* __rhs)
    { return __lhs.compare(__rhs) >= 0; }

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline bool
    operator>=(const _CharT* __lhs,
	     const basic_string<_CharT, _Traits, _Alloc>& __rhs)
    { return __rhs.compare(__lhs) <= 0; }


  template<typename _CharT, typename _Traits, typename _Alloc>
    inline void
    swap(basic_string<_CharT, _Traits, _Alloc>& __lhs,
	 basic_string<_CharT, _Traits, _Alloc>& __rhs)
    { __lhs.swap(__rhs); }

  template<typename _CharT, typename _Traits, typename _Alloc>
    basic_istream<_CharT, _Traits>&
    operator>>(basic_istream<_CharT, _Traits>& __is,
	       basic_string<_CharT, _Traits, _Alloc>& __str);

  template<typename _CharT, typename _Traits, typename _Alloc>
    basic_ostream<_CharT, _Traits>&
    operator<<(basic_ostream<_CharT, _Traits>& __os,
	       const basic_string<_CharT, _Traits, _Alloc>& __str);

  template<typename _CharT, typename _Traits, typename _Alloc>
    basic_istream<_CharT,_Traits>&
    getline(basic_istream<_CharT, _Traits>& __is,
	    basic_string<_CharT, _Traits, _Alloc>& __str, _CharT __delim);

  template<typename _CharT, typename _Traits, typename _Alloc>
    inline basic_istream<_CharT,_Traits>&
    getline(basic_istream<_CharT, _Traits>& __is,
	    basic_string<_CharT, _Traits, _Alloc>& __str);

} // namespace std

#endif /* _CPP_BITS_STRING_H */