179 lines
5.8 KiB
Plaintext
179 lines
5.8 KiB
Plaintext
// string standard header
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#ifndef _STRING_
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#define _STRING_
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#include <use_ansi.h>
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#include <istream>
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#include <memory>
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#ifdef _MSC_VER
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/*
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* Currently, all MS C compilers for Win32 platforms default to 8 byte
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* alignment.
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*/
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#pragma pack(push,8)
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#endif /* _MSC_VER */
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// basic_string TEMPLATE OPERATORS
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template<class _E, class _TYPE, class _A> inline
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basic_string<_E, _TYPE, _A> operator+(
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const basic_string<_E, _TYPE, _A>& _L,
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const basic_string<_E, _TYPE, _A>& _R)
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{return (basic_string<_E, _TYPE, _A>(_L) += _R); }
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template<class _E, class _TYPE, class _A> inline
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basic_string<_E, _TYPE, _A> operator+(const _E *_L,
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const basic_string<_E, _TYPE, _A>& _R)
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{return (basic_string<_E, _TYPE, _A>(_L) += _R); }
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template<class _E, class _TYPE, class _A> inline
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basic_string<_E, _TYPE, _A> operator+(
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const _E _L, const basic_string<_E, _TYPE, _A>& _R)
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{return (basic_string<_E, _TYPE, _A>(1, _L) += _R); }
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template<class _E, class _TYPE, class _A> inline
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basic_string<_E, _TYPE, _A> operator+(
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const basic_string<_E, _TYPE, _A>& _L,
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const _E *_R)
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{return (basic_string<_E, _TYPE, _A>(_L) += _R); }
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template<class _E, class _TYPE, class _A> inline
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basic_string<_E, _TYPE, _A> operator+(
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const basic_string<_E, _TYPE, _A>& _L, const _E _R)
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{return (basic_string<_E, _TYPE, _A>(_L) += _R); }
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template<class _E, class _TYPE, class _A> inline
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bool operator==(const basic_string<_E, _TYPE, _A>& _L,
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const basic_string<_E, _TYPE, _A>& _R)
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{return (_L.compare(_R) == 0); }
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template<class _E, class _TYPE, class _A> inline
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bool operator==(const _E * _L,
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const basic_string<_E, _TYPE, _A>& _R)
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{return (_R.compare(_L) == 0); }
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template<class _E, class _TYPE, class _A> inline
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bool operator==(const basic_string<_E, _TYPE, _A>& _L,
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const _E *_R)
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{return (_L.compare(_R) == 0); }
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template<class _E, class _TYPE, class _A> inline
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bool operator!=(const _E *_L,
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const basic_string<_E, _TYPE, _A>& _R)
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{return (!(_L == _R)); }
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template<class _E, class _TYPE, class _A> inline
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bool operator!=(const basic_string<_E, _TYPE, _A>& _L,
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const _E *_R)
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{return (!(_L == _R)); }
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template<class _E, class _TYPE, class _A> inline
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bool operator<(const basic_string<_E, _TYPE, _A>& _L,
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const basic_string<_E, _TYPE, _A>& _R)
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{return (_L.compare(_R) < 0); }
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template<class _E, class _TYPE, class _A> inline
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bool operator<(const _E * _L,
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const basic_string<_E, _TYPE, _A>& _R)
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{return (_R.compare(_L) > 0); }
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template<class _E, class _TYPE, class _A> inline
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bool operator<(const basic_string<_E, _TYPE, _A>& _L,
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const _E *_R)
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{return (_L.compare(_R) < 0); }
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template<class _E, class _TYPE, class _A> inline
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bool operator>(const _E * _L,
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const basic_string<_E, _TYPE, _A>& _R)
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{return (_R < _L); }
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template<class _E, class _TYPE, class _A> inline
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bool operator>(const basic_string<_E, _TYPE, _A>& _L,
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const _E *_R)
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{return (_R < _L); }
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template<class _E, class _TYPE, class _A> inline
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bool operator<=(const _E * _L,
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const basic_string<_E, _TYPE, _A>& _R)
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{return (!(_R < _L)); }
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template<class _E, class _TYPE, class _A> inline
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bool operator<=(const basic_string<_E, _TYPE, _A>& _L,
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const _E *_R)
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{return (!(_R < _L)); }
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template<class _E, class _TYPE, class _A> inline
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bool operator>=(const _E * _L,
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const basic_string<_E, _TYPE, _A>& _R)
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{return (!(_L < _R)); }
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template<class _E, class _TYPE, class _A> inline
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bool operator>=(const basic_string<_E, _TYPE, _A>& _L,
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const _E *_R)
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{return (!(_L < _R)); }
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// basic_string INSERTERS AND EXTRACTORS
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template<class _E, class _TYPE, class _A> inline
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basic_istream<_E, _TYPE>& operator>>(
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basic_istream<_E, _TYPE>& _I,
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basic_string<_E, _TYPE, _A>& _X)
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{ios_base::iostate _St = ios_base::goodbit;
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bool _Chg = false;
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_X.erase();
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const basic_istream<_E, _TYPE>::sentry _Ok(_I);
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if (_Ok)
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{const ctype<_E>& _Fac = _USE(_I.getloc(), ctype<_E>);
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_TRY_IO_BEGIN
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_A::size_type _N = 0 < _I.width()
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&& _I.width() < _X.max_size()
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? _I.width() : _X.max_size();
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_TYPE::int_type _C = _I.rdbuf()->sgetc();
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for (; 0 < --_N; _C = _I.rdbuf()->snextc())
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if(_TYPE::eq_int_type(_TYPE::eof(), _C))
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{_St |= ios_base::eofbit;
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break; }
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else if (_Fac.is(ctype<_E>::space,
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_TYPE::to_char_type(_C)))
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break;
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else
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{_X.append(1, _TYPE::to_char_type(_C));
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_Chg = true; }
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_CATCH_IO_(_I); }
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_I.width(0);
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if (!_Chg)
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_St |= ios_base::failbit;
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_I.setstate(_St);
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return (_I); }
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template<class _E, class _TYPE, class _A> inline
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basic_istream<_E, _TYPE>& getline(basic_istream<_E, _TYPE>& _I,
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basic_string<_E, _TYPE, _A>& _X)
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{return (getline(_I, _X, _E('\n'))); }
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template<class _E, class _TYPE, class _A> inline
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basic_istream<_E, _TYPE>& getline(basic_istream<_E, _TYPE>& _I,
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basic_string<_E, _TYPE, _A>& _X, const _E _D)
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{ios_base::iostate _St = ios_base::goodbit;
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bool _Chg = false;
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_X.erase();
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const basic_istream<_E, _TYPE>::sentry _Ok(_I, true);
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if (_Ok)
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{_TRY_IO_BEGIN
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_TYPE::int_type _C = _I.rdbuf()->sgetc();
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for (; ; _C = _I.rdbuf()->snextc())
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if (_TYPE::eq_int_type(_TYPE::eof(), _C))
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{_St |= ios_base::eofbit;
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break; }
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else if (_TYPE::eq(_C, _D))
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{_Chg = true;
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_I.rdbuf()->snextc();
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break; }
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else if (_X.max_size() <= _X.size())
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{_St |= ios_base::failbit;
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break; }
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else
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_X += _TYPE::to_char_type(_C), _Chg = true;
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_CATCH_IO_(_I); }
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if (!_Chg)
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_St |= ios_base::failbit;
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_I.setstate(_St);
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return (_I); }
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template<class _E, class _TYPE, class _A> inline
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basic_ostream<_E, _TYPE>& operator<<(
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basic_ostream<_E, _TYPE>& _O,
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const basic_string<_E, _TYPE, _A>& _X)
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{for (_A::size_type _N = 0; _N < _X.size(); ++_N)
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if (_TYPE::eq_int_type(_TYPE::eof(),
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_O.rdbuf()->sputc(_X[_N])))
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break;
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return (_O); }
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#ifdef _MSC_VER
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#pragma pack(pop)
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#endif /* _MSC_VER */
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#endif /* _STRING */
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/*
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* Copyright (c) 1994 by P.J. Plauger. ALL RIGHTS RESERVED.
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* Consult your license regarding permissions and restrictions.
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*/
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