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- // xstring internal header (from <string>)
-
- #if _MSC_VER > 1000
- #pragma once
- #endif
-
- #ifndef _XSTRING_
- #define _XSTRING_
- #include <xmemory>
-
- #ifdef _MSC_VER
- #pragma pack(push,8)
- #endif /* _MSC_VER */
- #include <xutility>
- _STD_BEGIN
- _CRTIMP void __cdecl _Xlen();
- _CRTIMP void __cdecl _Xran();
- // TEMPLATE CLASS basic_string
- template<class _E,
- class _Tr = char_traits<_E>,
- class _A = allocator<_E> >
- class basic_string {
- public:
- typedef basic_string<_E, _Tr, _A> _Myt;
- typedef _A::size_type size_type;
- typedef _A::difference_type difference_type;
- typedef _A::pointer pointer;
- typedef _A::const_pointer const_pointer;
- typedef _A::reference reference;
- typedef _A::const_reference const_reference;
- typedef _A::value_type value_type;
- typedef _A::pointer iterator;
- typedef _A::const_pointer const_iterator;
- typedef reverse_iterator<const_iterator, value_type,
- const_reference, const_pointer, difference_type>
- const_reverse_iterator;
- typedef reverse_iterator<iterator, value_type,
- reference, pointer, difference_type>
- reverse_iterator;
- explicit basic_string(const _A& _Al = _A())
- : allocator(_Al) {_Tidy(); }
- basic_string(const _Myt& _X)
- : allocator(_X.allocator)
- {_Tidy(), assign(_X, 0, npos); }
- basic_string(const _Myt& _X, size_type _P, size_type _M,
- const _A& _Al = _A())
- : allocator(_Al) {_Tidy(), assign(_X, _P, _M); }
- basic_string(const _E *_S, size_type _N,
- const _A& _Al = _A())
- : allocator(_Al) {_Tidy(), assign(_S, _N); }
- basic_string(const _E *_S, const _A& _Al = _A())
- : allocator(_Al) {_Tidy(), assign(_S); }
- basic_string(size_type _N, _E _C, const _A& _Al = _A())
- : allocator(_Al) {_Tidy(), assign(_N, _C); }
- typedef const_iterator _It;
- basic_string(_It _F, _It _L, const _A& _Al = _A())
- : allocator(_Al) {_Tidy(); assign(_F, _L); }
- ~basic_string()
- {_Tidy(true); }
- typedef _Tr traits_type;
- typedef _A allocator_type;
- enum _Mref {_FROZEN = 255};
- static const size_type npos;
- _Myt& operator=(const _Myt& _X)
- {return (assign(_X)); }
- _Myt& operator=(const _E *_S)
- {return (assign(_S)); }
- _Myt& operator=(_E _C)
- {return (assign(1, _C)); }
- _Myt& operator+=(const _Myt& _X)
- {return (append(_X)); }
- _Myt& operator+=(const _E *_S)
- {return (append(_S)); }
- _Myt& operator+=(_E _C)
- {return (append(1, _C)); }
- _Myt& append(const _Myt& _X)
- {return (append(_X, 0, npos)); }
- _Myt& append(const _Myt& _X, size_type _P, size_type _M)
- {if (_X.size() < _P)
- _Xran();
- size_type _N = _X.size() - _P;
- if (_N < _M)
- _M = _N;
- if (npos - _Len <= _M)
- _Xlen();
- if (0 < _M && _Grow(_N = _Len + _M))
- {_Tr::copy(_Ptr + _Len, &_X.c_str()[_P], _M);
- _Eos(_N); }
- return (*this); }
- _Myt& append(const _E *_S, size_type _M)
- {if (npos - _Len <= _M)
- _Xlen();
- size_type _N;
- if (0 < _M && _Grow(_N = _Len + _M))
- {_Tr::copy(_Ptr + _Len, _S, _M);
- _Eos(_N); }
- return (*this); }
- _Myt& append(const _E *_S)
- {return (append(_S, _Tr::length(_S))); }
- _Myt& append(size_type _M, _E _C)
- {if (npos - _Len <= _M)
- _Xlen();
- size_type _N;
- if (0 < _M && _Grow(_N = _Len + _M))
- {_Tr::assign(_Ptr + _Len, _M, _C);
- _Eos(_N); }
- return (*this); }
- _Myt& append(_It _F, _It _L)
- {return (replace(end(), end(), _F, _L)); }
- _Myt& assign(const _Myt& _X)
- {return (assign(_X, 0, npos)); }
- _Myt& assign(const _Myt& _X, size_type _P, size_type _M)
- {if (_X.size() < _P)
- _Xran();
- size_type _N = _X.size() - _P;
- if (_M < _N)
- _N = _M;
- if (this == &_X)
- erase((size_type)(_P + _N)), erase(0, _P);
- else if (0 < _N && _N == _X.size()
- && _Refcnt(_X.c_str()) < _FROZEN - 1
- && allocator == _X.allocator)
- {_Tidy(true);
- _Ptr = (_E *)_X.c_str();
- _Len = _X.size();
- _Res = _X.capacity();
- ++_Refcnt(_Ptr); }
- else if (_Grow(_N, true))
- {_Tr::copy(_Ptr, &_X.c_str()[_P], _N);
- _Eos(_N); }
- return (*this); }
- _Myt& assign(const _E *_S, size_type _N)
- {if (_Grow(_N, true))
- {_Tr::copy(_Ptr, _S, _N);
- _Eos(_N); }
- return (*this); }
- _Myt& assign(const _E *_S)
- {return (assign(_S, _Tr::length(_S))); }
- _Myt& assign(size_type _N, _E _C)
- {if (_N == npos)
- _Xlen();
- if (_Grow(_N, true))
- {_Tr::assign(_Ptr, _N, _C);
- _Eos(_N); }
- return (*this); }
- _Myt& assign(_It _F, _It _L)
- {return (replace(begin(), end(), _F, _L)); }
- _Myt& insert(size_type _P0, const _Myt& _X)
- {return (insert(_P0, _X, 0, npos)); }
- _Myt& insert(size_type _P0, const _Myt& _X, size_type _P,
- size_type _M)
- {if (_Len < _P0 || _X.size() < _P)
- _Xran();
- size_type _N = _X.size() - _P;
- if (_N < _M)
- _M = _N;
- if (npos - _Len <= _M)
- _Xlen();
- if (0 < _M && _Grow(_N = _Len + _M))
- {_Tr::move(_Ptr + _P0 + _M, _Ptr + _P0, _Len - _P0);
- _Tr::copy(_Ptr + _P0, &_X.c_str()[_P], _M);
- _Eos(_N); }
- return (*this); }
- _Myt& insert(size_type _P0, const _E *_S, size_type _M)
- {if (_Len < _P0)
- _Xran();
- if (npos - _Len <= _M)
- _Xlen();
- size_type _N;
- if (0 < _M && _Grow(_N = _Len + _M))
- {_Tr::move(_Ptr + _P0 + _M, _Ptr + _P0, _Len - _P0);
- _Tr::copy(_Ptr + _P0, _S, _M);
- _Eos(_N); }
- return (*this); }
- _Myt& insert(size_type _P0, const _E *_S)
- {return (insert(_P0, _S, _Tr::length(_S))); }
- _Myt& insert(size_type _P0, size_type _M, _E _C)
- {if (_Len < _P0)
- _Xran();
- if (npos - _Len <= _M)
- _Xlen();
- size_type _N;
- if (0 < _M && _Grow(_N = _Len + _M))
- {_Tr::move(_Ptr + _P0 + _M, _Ptr + _P0, _Len - _P0);
- _Tr::assign(_Ptr + _P0, _M, _C);
- _Eos(_N); }
- return (*this); }
- iterator insert(iterator _P, _E _C)
- {size_type _P0 = _Pdif(_P, begin());
- insert(_P0, 1, _C);
- return (begin() + _P0); }
- void insert(iterator _P, size_type _M, _E _C)
- {size_type _P0 = _Pdif(_P, begin());
- insert(_P0, _M, _C); }
- void insert(iterator _P, _It _F, _It _L)
- {replace(_P, _P, _F, _L); }
- _Myt& erase(size_type _P0 = 0, size_type _M = npos)
- {if (_Len < _P0)
- _Xran();
- _Split();
- if (_Len - _P0 < _M)
- _M = _Len - _P0;
- if (0 < _M)
- {_Tr::move(_Ptr + _P0, _Ptr + _P0 + _M,
- _Len - _P0 - _M);
- size_type _N = _Len - _M;
- if (_Grow(_N))
- _Eos(_N); }
- return (*this); }
- iterator erase(iterator _P)
- {size_t _M = _Pdif(_P, begin());
- erase(_M, 1);
- return (_Psum(_Ptr, _M)); }
- iterator erase(iterator _F, iterator _L)
- {size_t _M = _Pdif(_F, begin());
- erase(_M, _Pdif(_L, _F));
- return (_Psum(_Ptr, _M)); }
- _Myt& replace(size_type _P0, size_type _N0, const _Myt& _X)
- {return (replace(_P0, _N0, _X, 0, npos)); }
- _Myt& replace(size_type _P0, size_type _N0, const _Myt& _X,
- size_type _P, size_type _M)
- {if (_Len < _P0 || _X.size() < _P)
- _Xran();
- if (_Len - _P0 < _N0)
- _N0 = _Len - _P0;
- size_type _N = _X.size() - _P;
- if (_N < _M)
- _M = _N;
- if (npos - _M <= _Len - _N0)
- _Xlen();
- _Split();
- size_type _Nm = _Len - _N0 - _P0;
- if (_M < _N0)
- _Tr::move(_Ptr + _P0 + _M, _Ptr + _P0 + _N0, _Nm);
- if ((0 < _M || 0 < _N0) && _Grow(_N = _Len + _M - _N0))
- {if (_N0 < _M)
- _Tr::move(_Ptr + _P0 + _M, _Ptr + _P0 + _N0, _Nm);
- _Tr::copy(_Ptr + _P0, &_X.c_str()[_P], _M);
- _Eos(_N); }
- return (*this); }
- _Myt& replace(size_type _P0, size_type _N0, const _E *_S,
- size_type _M)
- {if (_Len < _P0)
- _Xran();
- if (_Len - _P0 < _N0)
- _N0 = _Len - _P0;
- if (npos - _M <= _Len - _N0)
- _Xlen();
- _Split();
- size_type _Nm = _Len - _N0 - _P0;
- if (_M < _N0)
- _Tr::move(_Ptr + _P0 + _M, _Ptr + _P0 + _N0, _Nm);
- size_type _N;
- if ((0 < _M || 0 < _N0) && _Grow(_N = _Len + _M - _N0))
- {if (_N0 < _M)
- _Tr::move(_Ptr + _P0 + _M, _Ptr + _P0 + _N0, _Nm);
- _Tr::copy(_Ptr + _P0, _S, _M);
- _Eos(_N); }
- return (*this); }
- _Myt& replace(size_type _P0, size_type _N0, const _E *_S)
- {return (replace(_P0, _N0, _S, _Tr::length(_S))); }
- _Myt& replace(size_type _P0, size_type _N0,
- size_type _M, _E _C)
- {if (_Len < _P0)
- _Xran();
- if (_Len - _P0 < _N0)
- _N0 = _Len - _P0;
- if (npos - _M <= _Len - _N0)
- _Xlen();
- _Split();
- size_type _Nm = _Len - _N0 - _P0;
- if (_M < _N0)
- _Tr::move(_Ptr + _P0 + _M, _Ptr + _P0 + _N0, _Nm);
- size_type _N;
- if ((0 < _M || 0 < _N0) && _Grow(_N = _Len + _M - _N0))
- {if (_N0 < _M)
- _Tr::move(_Ptr + _P0 + _M, _Ptr + _P0 + _N0,
- _Nm);
- _Tr::assign(_Ptr + _P0, _M, _C);
- _Eos(_N); }
- return (*this); }
- _Myt& replace(iterator _F, iterator _L, const _Myt& _X)
- {return (replace(
- _Pdif(_F, begin()), _Pdif(_L, _F), _X)); }
- _Myt& replace(iterator _F, iterator _L, const _E *_S,
- size_type _M)
- {return (replace(
- _Pdif(_F, begin()), _Pdif(_L, _F), _S, _M)); }
- _Myt& replace(iterator _F, iterator _L, const _E *_S)
- {return (replace(
- _Pdif(_F, begin()), _Pdif(_L, _F), _S)); }
- _Myt& replace(iterator _F, iterator _L, size_type _M, _E _C)
- {return (replace(
- _Pdif(_F, begin()), _Pdif(_L, _F), _M, _C)); }
- _Myt& replace(iterator _F1, iterator _L1,
- _It _F2, _It _L2)
- {size_type _P0 = _Pdif(_F1, begin());
- size_type _M = 0;
- _Distance(_F2, _L2, _M);
- replace(_P0, _Pdif(_L1, _F1), _M, _E(0));
- for (_F1 = begin() + _P0; 0 < _M; ++_F1, ++_F2, --_M)
- *_F1 = *_F2;
- return (*this); }
- iterator begin()
- {_Freeze();
- return (_Ptr); }
- const_iterator begin() const
- {return (_Ptr); }
- iterator end()
- {_Freeze();
- return ((iterator)_Psum(_Ptr, _Len)); }
- const_iterator end() const
- {return ((const_iterator)_Psum(_Ptr, _Len)); }
- reverse_iterator rbegin()
- {return (reverse_iterator(end())); }
- const_reverse_iterator rbegin() const
- {return (const_reverse_iterator(end())); }
- reverse_iterator rend()
- {return (reverse_iterator(begin())); }
- const_reverse_iterator rend() const
- {return (const_reverse_iterator(begin())); }
- reference at(size_type _P0)
- {if (_Len <= _P0)
- _Xran();
- _Freeze();
- return (_Ptr[_P0]); }
- const_reference at(size_type _P0) const
- {if (_Len <= _P0)
- _Xran();
- return (_Ptr[_P0]); }
- reference operator[](size_type _P0)
- {if (_Len < _P0 || _Ptr == 0)
- return ((reference)*_Nullstr());
- _Freeze();
- return (_Ptr[_P0]); }
- const_reference operator[](size_type _P0) const
- {if (_Ptr == 0)
- return (*_Nullstr());
- else
- return (_Ptr[_P0]); }
- const _E *c_str() const
- {return (_Ptr == 0 ? _Nullstr() : _Ptr); }
- const _E *data() const
- {return (c_str()); }
- size_type length() const
- {return (_Len); }
- size_type size() const
- {return (_Len); }
- size_type max_size() const
- {size_type _N = allocator.max_size();
- return (_N <= 2 ? 1 : _N - 2); }
- void resize(size_type _N, _E _C)
- {_N <= _Len ? erase(_N) : append(_N - _Len, _C); }
- void resize(size_type _N)
- {_N <= _Len ? erase(_N) : append(_N - _Len, _E(0)); }
- size_type capacity() const
- {return (_Res); }
- void reserve(size_type _N = 0)
- {if (_Res < _N)
- _Grow(_N); }
- bool empty() const
- {return (_Len == 0); }
- size_type copy(_E *_S, size_type _N, size_type _P0 = 0) const
- {if (_Len < _P0)
- _Xran();
- if (_Len - _P0 < _N)
- _N = _Len - _P0;
- if (0 < _N)
- _Tr::copy(_S, _Ptr + _P0, _N);
- return (_N); }
- void swap(_Myt& _X)
- {if (allocator == _X.allocator)
- {std::swap(_Ptr, _X._Ptr);
- std::swap(_Len, _X._Len);
- std::swap(_Res, _X._Res); }
- else
- {_Myt _Ts = *this; *this = _X, _X = _Ts; }}
- friend void swap(_Myt& _X, _Myt& _Y)
- {_X.swap(_Y); }
- size_type find(const _Myt& _X, size_type _P = 0) const
- {return (find(_X.c_str(), _P, _X.size())); }
- size_type find(const _E *_S, size_type _P,
- size_type _N) const
- {if (_N == 0 && _P <= _Len)
- return (_P);
- size_type _Nm;
- if (_P < _Len && _N <= (_Nm = _Len - _P))
- {const _E *_U, *_V;
- for (_Nm -= _N - 1, _V = _Ptr + _P;
- (_U = _Tr::find(_V, _Nm, *_S)) != 0;
- _Nm -= _U - _V + 1, _V = _U + 1)
- if (_Tr::compare(_U, _S, _N) == 0)
- return (_U - _Ptr); }
- return (npos); }
- size_type find(const _E *_S, size_type _P = 0) const
- {return (find(_S, _P, _Tr::length(_S))); }
- size_type find(_E _C, size_type _P = 0) const
- {return (find((const _E *)&_C, _P, 1)); }
- size_type rfind(const _Myt& _X, size_type _P = npos) const
- {return (rfind(_X.c_str(), _P, _X.size())); }
- size_type rfind(const _E *_S, size_type _P,
- size_type _N) const
- {if (_N == 0)
- return (_P < _Len ? _P : _Len);
- if (_N <= _Len)
- for (const _E *_U = _Ptr +
- + (_P < _Len - _N ? _P : _Len - _N); ; --_U)
- if (_Tr::eq(*_U, *_S)
- && _Tr::compare(_U, _S, _N) == 0)
- return (_U - _Ptr);
- else if (_U == _Ptr)
- break;
- return (npos); }
- size_type rfind(const _E *_S, size_type _P = npos) const
- {return (rfind(_S, _P, _Tr::length(_S))); }
- size_type rfind(_E _C, size_type _P = npos) const
- {return (rfind((const _E *)&_C, _P, 1)); }
- size_type find_first_of(const _Myt& _X,
- size_type _P = 0) const
- {return (find_first_of(_X.c_str(), _P, _X.size())); }
- size_type find_first_of(const _E *_S, size_type _P,
- size_type _N) const
- {if (0 < _N && _P < _Len)
- {const _E *const _V = _Ptr + _Len;
- for (const _E *_U = _Ptr + _P; _U < _V; ++_U)
- if (_Tr::find(_S, _N, *_U) != 0)
- return (_U - _Ptr); }
- return (npos); }
- size_type find_first_of(const _E *_S, size_type _P = 0) const
- {return (find_first_of(_S, _P, _Tr::length(_S))); }
- size_type find_first_of(_E _C, size_type _P = 0) const
- {return (find((const _E *)&_C, _P, 1)); }
- size_type find_last_of(const _Myt& _X,
- size_type _P = npos) const
- {return (find_last_of(_X.c_str(), _P, _X.size())); }
- size_type find_last_of(const _E *_S, size_type _P,
- size_type _N) const
- {if (0 < _N && 0 < _Len)
- for (const _E *_U = _Ptr
- + (_P < _Len ? _P : _Len - 1); ; --_U)
- if (_Tr::find(_S, _N, *_U) != 0)
- return (_U - _Ptr);
- else if (_U == _Ptr)
- break;
- return (npos); }
- size_type find_last_of(const _E *_S,
- size_type _P = npos) const
- {return (find_last_of(_S, _P, _Tr::length(_S))); }
- size_type find_last_of(_E _C, size_type _P = npos) const
- {return (rfind((const _E *)&_C, _P, 1)); }
- size_type find_first_not_of(const _Myt& _X,
- size_type _P = 0) const
- {return (find_first_not_of(_X.c_str(), _P,
- _X.size())); }
- size_type find_first_not_of(const _E *_S, size_type _P,
- size_type _N) const
- {if (_P < _Len)
- {const _E *const _V = _Ptr + _Len;
- for (const _E *_U = _Ptr + _P; _U < _V; ++_U)
- if (_Tr::find(_S, _N, *_U) == 0)
- return (_U - _Ptr); }
- return (npos); }
- size_type find_first_not_of(const _E *_S,
- size_type _P = 0) const
- {return (find_first_not_of(_S, _P, _Tr::length(_S))); }
- size_type find_first_not_of(_E _C, size_type _P = 0) const
- {return (find_first_not_of((const _E *)&_C, _P, 1)); }
- size_type find_last_not_of(const _Myt& _X,
- size_type _P = npos) const
- {return (find_last_not_of(_X.c_str(), _P, _X.size())); }
- size_type find_last_not_of(const _E *_S, size_type _P,
- size_type _N) const
- {if (0 < _Len)
- for (const _E *_U = _Ptr
- + (_P < _Len ? _P : _Len - 1); ; --_U)
- if (_Tr::find(_S, _N, *_U) == 0)
- return (_U - _Ptr);
- else if (_U == _Ptr)
- break;
- return (npos); }
- size_type find_last_not_of(const _E *_S,
- size_type _P = npos) const
- {return (find_last_not_of(_S, _P, _Tr::length(_S))); }
- size_type find_last_not_of(_E _C, size_type _P = npos) const
- {return (find_last_not_of((const _E *)&_C, _P, 1)); }
- _Myt substr(size_type _P = 0, size_type _M = npos) const
- {return (_Myt(*this, _P, _M)); }
- int compare(const _Myt& _X) const
- {return (compare(0, _Len, _X.c_str(), _X.size())); }
- int compare(size_type _P0, size_type _N0,
- const _Myt& _X) const
- {return (compare(_P0, _N0, _X, 0, npos)); }
- int compare(size_type _P0, size_type _N0, const _Myt& _X,
- size_type _P, size_type _M) const
- {if (_X.size() < _P)
- _Xran();
- if (_X._Len - _P < _M)
- _M = _X._Len - _P;
- return (compare(_P0, _N0, _X.c_str() + _P, _M)); }
- int compare(const _E *_S) const
- {return (compare(0, _Len, _S, _Tr::length(_S))); }
- int compare(size_type _P0, size_type _N0, const _E *_S) const
- {return (compare(_P0, _N0, _S, _Tr::length(_S))); }
- int compare(size_type _P0, size_type _N0, const _E *_S,
- size_type _M) const
- {if (_Len < _P0)
- _Xran();
- if (_Len - _P0 < _N0)
- _N0 = _Len - _P0;
- size_type _Ans = _Tr::compare(_Psum(_Ptr, _P0), _S,
- _N0 < _M ? _N0 : _M);
- return (_Ans != 0 ? _Ans : _N0 < _M ? -1
- : _N0 == _M ? 0 : +1); }
- _A get_allocator() const
- {return (allocator); }
- protected:
- _A allocator;
- private:
- enum {_MIN_SIZE = sizeof (_E) <= 32 ? 31 : 7};
- void _Copy(size_type _N)
- {size_type _Ns = _N | _MIN_SIZE;
- if (max_size() < _Ns)
- _Ns = _N;
- _E *_S;
- _TRY_BEGIN
- _S = allocator.allocate(_Ns + 2, (void *)0);
- _CATCH_ALL
- _Ns = _N;
- _S = allocator.allocate(_Ns + 2, (void *)0);
- _CATCH_END
- if (0 < _Len)
- _Tr::copy(_S + 1, _Ptr,_Len>_Ns?_Ns:_Len);
- size_type _Olen = _Len;
- _Tidy(true);
- _Ptr = _S + 1;
- _Refcnt(_Ptr) = 0;
- _Res = _Ns;
- _Eos(_Olen>_Ns?_Ns:_Olen); }
- void _Eos(size_type _N)
- {_Tr::assign(_Ptr[_Len = _N], _E(0)); }
- void _Freeze()
- {if (_Ptr != 0
- && _Refcnt(_Ptr) != 0 && _Refcnt(_Ptr) != _FROZEN)
- _Grow(_Len);
- if (_Ptr != 0)
- _Refcnt(_Ptr) = _FROZEN; }
- bool _Grow(size_type _N, bool _Trim = false)
- {if (max_size() < _N)
- _Xlen();
- if (_Ptr != 0
- && _Refcnt(_Ptr) != 0 && _Refcnt(_Ptr) != _FROZEN)
- if (_N == 0)
- {--_Refcnt(_Ptr), _Tidy();
- return (false); }
- else
- {_Copy(_N);
- return (true); }
- if (_N == 0)
- {if (_Trim)
- _Tidy(true);
- else if (_Ptr != 0)
- _Eos(0);
- return (false); }
- else
- {if (_Trim && (_MIN_SIZE < _Res || _Res < _N))
- {_Tidy(true);
- _Copy(_N); }
- else if (!_Trim && _Res < _N)
- _Copy(_N);
- return (true); }}
- static const _E * __cdecl _Nullstr()
- {static const _E _C = _E(0);
- return (&_C); }
- static size_type _Pdif(const_pointer _P2, const_pointer _P1)
- {return (_P2 == 0 ? 0 : _P2 - _P1); }
- static const_pointer _Psum(const_pointer _P, size_type _N)
- {return (_P == 0 ? 0 : _P + _N); }
- static pointer _Psum(pointer _P, size_type _N)
- {return (_P == 0 ? 0 : _P + _N); }
- unsigned char& _Refcnt(const _E *_U)
- {return (((unsigned char *)_U)[-1]); }
- void _Split()
- {if (_Ptr != 0 && _Refcnt(_Ptr) != 0 && _Refcnt(_Ptr) != _FROZEN)
- {_E *_Temp = _Ptr;
- _Tidy(true);
- assign(_Temp); }}
- void _Tidy(bool _Built = false)
- {if (!_Built || _Ptr == 0)
- ;
- else if (_Refcnt(_Ptr) == 0 || _Refcnt(_Ptr) == _FROZEN)
- allocator.deallocate(_Ptr - 1, _Res + 2);
- else
- --_Refcnt(_Ptr);
- _Ptr = 0, _Len = 0, _Res = 0; }
- _E *_Ptr;
- size_type _Len, _Res;
- };
- template<class _E, class _Tr, class _A>
- const basic_string<_E, _Tr, _A>::size_type
- basic_string<_E, _Tr, _A>::npos = -1;
-
- #ifdef _DLL
- #pragma warning(disable:4231) /* the extern before template is a non-standard extension */
-
- extern template class _CRTIMP basic_string<char, char_traits<char>, allocator<char> >;
- extern template class _CRTIMP basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >;
-
- #pragma warning(default:4231) /* restore previous warning */
- #endif // _DLL
-
- typedef basic_string<char, char_traits<char>, allocator<char> >
- string;
-
- typedef basic_string<wchar_t, char_traits<wchar_t>,
- allocator<wchar_t> > wstring;
-
- _STD_END
- #ifdef _MSC_VER
- #pragma pack(pop)
- #endif /* _MSC_VER */
-
- #endif /* _XSTRING */
-
- /*
- * Copyright (c) 1995 by P.J. Plauger. ALL RIGHTS RESERVED.
- * Consult your license regarding permissions and restrictions.
- */
-