757 lines
19 KiB
Plaintext
757 lines
19 KiB
Plaintext
// ostream standard header
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#pragma once
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#ifndef _OSTREAM_
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#define _OSTREAM_
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#include <ios>
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#pragma pack(push,8)
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#pragma warning(push,3)
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_STD_BEGIN
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// I/O EXCEPTION MACROS
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#if _HAS_EXCEPTIONS
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#define _TRY_IO_BEGIN _TRY_BEGIN /* begin try block */
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#define _CATCH_IO_END _CATCH_ALL /* catch block for _Myios */ \
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_Myios::setstate(ios_base::badbit, true); /* set badbit and rethrow */ \
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_CATCH_END
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#define _CATCH_IO_(x) _CATCH_ALL /* catch block for basic_ios x */ \
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(x).setstate(ios_base::badbit, true); /* set badbit and rethrow */ \
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_CATCH_END
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#else
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#define _TRY_IO_BEGIN { /* begin try block */
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#define _CATCH_IO_END } /* catch block for _Myios */
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#define _CATCH_IO_(x) } /* catch block for basic_ios x */
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#endif
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// TEMPLATE CLASS basic_ostream
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template<class _Elem, class _Traits>
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class basic_ostream
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: virtual public basic_ios<_Elem, _Traits>
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{ // control insertions into a stream buffer
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public:
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typedef basic_ostream<_Elem, _Traits> _Myt;
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typedef basic_ios<_Elem, _Traits> _Myios;
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typedef basic_streambuf<_Elem, _Traits> _Mysb;
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typedef ostreambuf_iterator<_Elem, _Traits> _Iter;
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typedef num_put<_Elem, _Iter> _Nput;
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explicit basic_ostream(basic_streambuf<_Elem, _Traits> *_Strbuf,
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bool _Isstd = false)
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{ // construct from a stream buffer pointer
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_Myios::init(_Strbuf, _Isstd);
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}
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basic_ostream(_Uninitialized)
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{ // construct uninitialized
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ios_base::_Addstd();
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}
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virtual ~basic_ostream()
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{ // destroy the object
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}
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typedef typename _Traits::int_type int_type;
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typedef typename _Traits::pos_type pos_type;
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typedef typename _Traits::off_type off_type;
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class _Sentry_base
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{ // stores thread lock and reference to output stream
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public:
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_Sentry_base(_Myt& _Ostr)
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: _Myostr(_Ostr)
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{ // lock the stream buffer, if there
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if (_Myostr.rdbuf() != 0)
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_Myostr.rdbuf()->_Lock();
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}
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~_Sentry_base()
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{ // destroy after unlocking
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if (_Myostr.rdbuf() != 0)
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_Myostr.rdbuf()->_Unlock();
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}
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_Myt& _Myostr; // the output stream, for _Unlock call at destruction
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};
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class sentry
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: public _Sentry_base
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{ // stores thread lock and state of stream
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public:
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explicit sentry(_Myt& _Ostr)
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: _Sentry_base(_Ostr)
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{ // construct locking and testing stream
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if (_Ostr.good() && _Ostr.tie() != 0)
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_Ostr.tie()->flush();
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_Ok = _Ostr.good(); // store test only after flushing tie
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}
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~sentry()
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{ // destroy the object
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#if _HAS_EXCEPTIONS
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if (!uncaught_exception())
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_Myostr._Osfx();
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}
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#else
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_Myostr._Osfx();
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}
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#endif
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operator bool() const
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{ // test if stream state okay
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return (_Ok);
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}
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private:
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sentry(const sentry&); // not defined
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sentry& operator=(const sentry&); // not defined
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bool _Ok; // true if stream state okay at construction
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};
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bool opfx()
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{ // test stream state and flush tie stream as needed (retained)
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if (ios_base::good() && _Myios::tie() != 0)
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_Myios::tie()->flush();
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return (ios_base::good());
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}
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void osfx()
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{ // perform any wrapup (retained)
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_Osfx();
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}
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void _Osfx()
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{ // perform any wrapup
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if (ios_base::flags() & ios_base::unitbuf)
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flush(); // flush stream as needed
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}
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_Myt& operator<<(_Myt& (__cdecl *_Pfn)(_Myt&))
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{ // call basic_ostream manipulator
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return ((*_Pfn)(*this));
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}
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_Myt& operator<<(_Myios& (__cdecl *_Pfn)(_Myios&))
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{ // call basic_ios manipulator
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(*_Pfn)(*(_Myios *)this);
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return (*this);
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}
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_Myt& operator<<(ios_base& (__cdecl *_Pfn)(ios_base&))
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{ // call ios_base manipulator
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(*_Pfn)(*(ios_base *)this);
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return (*this);
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}
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_Myt& operator<<(_Bool _Val)
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{ // insert a boolean
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (_Ok)
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{ // state okay, use facet to insert
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const _Nput& _Fac = _USE(ios_base::getloc(), _Nput);
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_TRY_IO_BEGIN
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if (_Fac.put(_Iter(_Myios::rdbuf()), *this,
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_Myios::fill(), _Val).failed())
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& operator<<(short _Val)
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{ // insert a short
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (_Ok)
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{ // state okay, use facet to insert
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const _Nput& _Fac = _USE(ios_base::getloc(), _Nput);
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ios_base::fmtflags _Bfl =
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ios_base::flags() & ios_base::basefield;
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long _Tmp = (_Bfl == ios_base::oct
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|| _Bfl == ios_base::hex)
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? (long)(unsigned short)_Val : (long)_Val;
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_TRY_IO_BEGIN
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if (_Fac.put(_Iter(_Myios::rdbuf()), *this,
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_Myios::fill(), _Tmp).failed())
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& operator<<(unsigned short _Val)
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{ // insert an unsigned short
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (_Ok)
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{ // state okay, use facet to insert
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const _Nput& _Fac = _USE(ios_base::getloc(), _Nput);
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_TRY_IO_BEGIN
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if (_Fac.put(_Iter(_Myios::rdbuf()), *this,
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_Myios::fill(), (unsigned long)_Val).failed())
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& operator<<(int _Val)
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{ // insert an int
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (_Ok)
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{ // state okay, use facet to insert
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const _Nput& _Fac = _USE(ios_base::getloc(), _Nput);
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ios_base::fmtflags _Bfl =
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ios_base::flags() & ios_base::basefield;
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long _Tmp = (_Bfl == ios_base::oct
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|| _Bfl == ios_base::hex)
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? (long)(unsigned int)_Val : (long)_Val;
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_TRY_IO_BEGIN
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if (_Fac.put(_Iter(_Myios::rdbuf()), *this,
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_Myios::fill(), _Tmp).failed())
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& operator<<(unsigned int _Val)
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{ // insert an unsigned int
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (_Ok)
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{ // state okay, use facet to insert
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const _Nput& _Fac = _USE(ios_base::getloc(), _Nput);
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_TRY_IO_BEGIN
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if (_Fac.put(_Iter(_Myios::rdbuf()), *this,
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_Myios::fill(), (unsigned long)_Val).failed())
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& operator<<(long _Val)
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{ // insert a long
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (_Ok)
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{ // state okay, use facet to insert
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const _Nput& _Fac = _USE(ios_base::getloc(), _Nput);
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_TRY_IO_BEGIN
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if (_Fac.put(_Iter(_Myios::rdbuf()), *this,
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_Myios::fill(), _Val).failed())
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& operator<<(unsigned long _Val)
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{ // insert an unsigned long
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (_Ok)
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{ // state okay, use facet to insert
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const _Nput& _Fac = _USE(ios_base::getloc(), _Nput);
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_TRY_IO_BEGIN
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if (_Fac.put(_Iter(_Myios::rdbuf()), *this,
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_Myios::fill(), _Val).failed())
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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#ifdef _LONGLONG
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_Myt& operator<<(_LONGLONG _Val)
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{ // insert a long long
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (_Ok)
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{ // state okay, use facet to insert
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const _Nput& _Fac = _USE(ios_base::getloc(), _Nput);
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_TRY_IO_BEGIN
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if (_Fac.put(_Iter(_Myios::rdbuf()), *this,
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_Myios::fill(), _Val).failed())
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& operator<<(_ULONGLONG _Val)
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{ // insert an unsigned long long
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (_Ok)
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{ // state okay, use facet to insert
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const _Nput& _Fac = _USE(ios_base::getloc(), _Nput);
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_TRY_IO_BEGIN
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if (_Fac.put(_Iter(_Myios::rdbuf()), *this,
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_Myios::fill(), _Val).failed())
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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#endif /* _LONGLONG */
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_Myt& operator<<(float _Val)
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{ // insert a float
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (_Ok)
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{ // state okay, use facet to insert
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const _Nput& _Fac = _USE(ios_base::getloc(), _Nput);
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_TRY_IO_BEGIN
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if (_Fac.put(_Iter(_Myios::rdbuf()), *this,
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_Myios::fill(), (double)_Val).failed())
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& operator<<(double _Val)
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{ // insert a double
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (_Ok)
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{ // state okay, use facet to insert
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const _Nput& _Fac = _USE(ios_base::getloc(), _Nput);
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_TRY_IO_BEGIN
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if (_Fac.put(_Iter(_Myios::rdbuf()), *this,
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_Myios::fill(), _Val).failed())
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& operator<<(long double _Val)
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{ // insert a long double
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (_Ok)
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{ // state okay, use facet to insert
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const _Nput& _Fac = _USE(ios_base::getloc(), _Nput);
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_TRY_IO_BEGIN
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if (_Fac.put(_Iter(_Myios::rdbuf()), *this,
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_Myios::fill(), _Val).failed())
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& operator<<(const void *_Val)
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{ // insert a void pointer
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (_Ok)
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{ // state okay, use facet to insert
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const _Nput& _Fac = _USE(ios_base::getloc(), _Nput);
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_TRY_IO_BEGIN
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if (_Fac.put(_Iter(_Myios::rdbuf()), *this,
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_Myios::fill(), _Val).failed())
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& operator<<(_Mysb *_Strbuf)
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{ // insert until end-of-file from a stream buffer
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ios_base::iostate _State = ios_base::goodbit;
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bool _Copied = false;
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const sentry _Ok(*this);
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if (_Ok && _Strbuf != 0)
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for (int_type _Meta = _Traits::eof(); ; _Copied = true)
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{ // extract another character from stream buffer
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_TRY_BEGIN
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_Meta = _Traits::eq_int_type(_Traits::eof(), _Meta)
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? _Strbuf->sgetc() : _Strbuf->snextc();
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_CATCH_ALL
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_Myios::setstate(ios_base::failbit);
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_RERAISE;
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_CATCH_END
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if (_Traits::eq_int_type(_Traits::eof(), _Meta))
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break; // end of file, quit
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_TRY_IO_BEGIN
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if (_Traits::eq_int_type(_Traits::eof(),
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_Myios::rdbuf()->sputc(
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_Traits::to_char_type(_Meta))))
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{ // insertion failed, quit
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_State |= ios_base::badbit;
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break;
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}
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_CATCH_IO_END
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}
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ios_base::width(0);
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_Myios::setstate(!_Copied ? _State | ios_base::failbit : _State);
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return (*this);
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}
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_Myt& put(_Elem _Ch)
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{ // insert a character
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (!_Ok)
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_State |= ios_base::badbit;
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else
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{ // state okay, insert character
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_TRY_IO_BEGIN
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if (_Traits::eq_int_type(_Traits::eof(),
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_Myios::rdbuf()->sputc(_Ch)))
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& write(const _Elem *_Str, streamsize _Count)
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{ // insert _Count characters from array _Str
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ios_base::iostate _State = ios_base::goodbit;
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const sentry _Ok(*this);
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if (!_Ok)
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_State |= ios_base::badbit;
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else
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{ // state okay, insert characters
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_TRY_IO_BEGIN
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if (_Myios::rdbuf()->sputn(_Str, _Count) != _Count)
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_State |= ios_base::badbit;
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_CATCH_IO_END
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}
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& flush()
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{ // flush output stream
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ios_base::iostate _State = ios_base::goodbit;
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if (!ios_base::fail() && _Myios::rdbuf()->pubsync() == -1)
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_State |= ios_base::badbit; // sync failed
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_Myios::setstate(_State);
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return (*this);
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}
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_Myt& seekp(pos_type _Pos)
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{ // set output stream position to _Pos
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if (!ios_base::fail()
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&& (off_type)_Myios::rdbuf()->pubseekpos(_Pos,
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ios_base::out) == _BADOFF)
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_Myios::setstate(ios_base::failbit);
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return (*this);
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}
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_Myt& seekp(off_type _Off, ios_base::seekdir _Way)
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{ // change output stream position by _Off, according to _Way
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if (!ios_base::fail()
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&& (off_type)_Myios::rdbuf()->pubseekoff(_Off, _Way,
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ios_base::out) == _BADOFF)
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_Myios::setstate(ios_base::failbit);
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return (*this);
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}
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pos_type tellp()
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{ // return output stream position
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if (!ios_base::fail())
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return (_Myios::rdbuf()->pubseekoff(0,
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ios_base::cur, ios_base::out));
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else
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return (pos_type(_BADOFF));
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}
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};
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#ifdef _DLL_CPPLIB
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template class _CRTIMP2 basic_ostream<char, char_traits<char> >;
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template class _CRTIMP2 basic_ostream<wchar_t, char_traits<wchar_t> >;
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#endif // _DLL_CPPLIB
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// INSERTERS
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template<class _Elem, class _Traits> inline
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basic_ostream<_Elem, _Traits>& __cdecl operator<<(
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basic_ostream<_Elem, _Traits>& _Ostr, const _Elem *_Val)
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{ // insert NTCS
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typedef basic_ostream<_Elem, _Traits> _Myos;
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ios_base::iostate _State = ios_base::goodbit;
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streamsize _Count = (streamsize)_Traits::length(_Val); // may overflow
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streamsize _Pad = _Ostr.width() <= 0 || _Ostr.width() <= _Count
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? 0 : _Ostr.width() - _Count;
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const typename _Myos::sentry _Ok(_Ostr);
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if (!_Ok)
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_State |= ios_base::badbit;
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else
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{ // state okay, insert
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_TRY_IO_BEGIN
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if ((_Ostr.flags() & ios_base::adjustfield) != ios_base::left)
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for (; 0 < _Pad; --_Pad) // pad on left
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if (_Traits::eq_int_type(_Traits::eof(),
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_Ostr.rdbuf()->sputc(_Ostr.fill())))
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{ // insertion failed, quit
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_State |= ios_base::badbit;
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break;
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}
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if (_State == ios_base::goodbit
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&& _Ostr.rdbuf()->sputn(_Val, _Count) != _Count)
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_State |= ios_base::badbit;
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if (_State == ios_base::goodbit)
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for (; 0 < _Pad; --_Pad) // pad on right
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if (_Traits::eq_int_type(_Traits::eof(),
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_Ostr.rdbuf()->sputc(_Ostr.fill())))
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{ // insertion failed, quit
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_State |= ios_base::badbit;
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break;
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}
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_Ostr.width(0);
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_CATCH_IO_(_Ostr)
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}
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_Ostr.setstate(_State);
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return (_Ostr);
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}
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template<class _Elem, class _Traits> inline
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basic_ostream<_Elem, _Traits>& __cdecl operator<<(
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basic_ostream<_Elem, _Traits>& _Ostr, _Elem _Ch)
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{ // insert a character
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typedef basic_ostream<_Elem, _Traits> _Myos;
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ios_base::iostate _State = ios_base::goodbit;
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const typename _Myos::sentry _Ok(_Ostr);
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if (_Ok)
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{ // state okay, insert
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streamsize _Pad = _Ostr.width() <= 1 ? 0 : _Ostr.width() - 1;
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_TRY_IO_BEGIN
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if ((_Ostr.flags() & ios_base::adjustfield) != ios_base::left)
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for (; _State == ios_base::goodbit && 0 < _Pad;
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--_Pad) // pad on left
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if (_Traits::eq_int_type(_Traits::eof(),
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_Ostr.rdbuf()->sputc(_Ostr.fill())))
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_State |= ios_base::badbit;
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if (_State == ios_base::goodbit
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&& _Traits::eq_int_type(_Traits::eof(),
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_Ostr.rdbuf()->sputc(_Ch)))
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_State |= ios_base::badbit;
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for (; _State == ios_base::goodbit && 0 < _Pad;
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--_Pad) // pad on right
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if (_Traits::eq_int_type(_Traits::eof(),
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_Ostr.rdbuf()->sputc(_Ostr.fill())))
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_State |= ios_base::badbit;
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_CATCH_IO_(_Ostr)
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}
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_Ostr.width(0);
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_Ostr.setstate(_State);
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return (_Ostr);
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}
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template<class _Traits> inline
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basic_ostream<char, _Traits>& __cdecl operator<<(
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basic_ostream<char, _Traits>& _Ostr, const signed char *_Val)
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{ // insert a signed char NTBS
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return (_Ostr << (const char *)_Val);
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}
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template<class _Traits> inline
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basic_ostream<char, _Traits>& __cdecl operator<<(
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basic_ostream<char, _Traits>& _Ostr, signed char _Ch)
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{ // insert a signed char
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return (_Ostr << (char)_Ch);
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}
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template<class _Traits> inline
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basic_ostream<char, _Traits>& __cdecl operator<<(
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basic_ostream<char, _Traits>& _Ostr, const unsigned char *_Val)
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{ // insert an unsigned char NTBS
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return (_Ostr << (const char *)_Val);
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}
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template<class _Traits> inline
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basic_ostream<char, _Traits>& __cdecl operator<<(
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basic_ostream<char, _Traits>& _Ostr, unsigned char _Ch)
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{ // insert an unsigned char
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return (_Ostr << (char)_Ch);
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}
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// MANIPULATORS
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template<class _Elem, class _Traits> inline
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basic_ostream<_Elem, _Traits>&
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__cdecl endl(basic_ostream<_Elem, _Traits>& _Ostr)
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{ // insert newline and flush stream
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_Ostr.put(_Ostr.widen('\n'));
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_Ostr.flush();
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return (_Ostr);
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}
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template<class _Elem, class _Traits> inline
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basic_ostream<_Elem, _Traits>&
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__cdecl ends(basic_ostream<_Elem, _Traits>& _Ostr)
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{ // insert null character
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_Ostr.put(_Elem());
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return (_Ostr);
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}
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template<class _Elem, class _Traits> inline
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basic_ostream<_Elem, _Traits>&
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__cdecl flush(basic_ostream<_Elem, _Traits>& _Ostr)
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{ // flush stream
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_Ostr.flush();
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return (_Ostr);
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}
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_CRTIMP2 inline basic_ostream<char, char_traits<char> >&
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__cdecl endl(basic_ostream<char, char_traits<char> >& _Ostr)
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{ // insert newline and flush byte stream
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_Ostr.put('\n');
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_Ostr.flush();
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return (_Ostr);
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}
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_CRTIMP2 inline basic_ostream<wchar_t, char_traits<wchar_t> >&
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__cdecl endl(basic_ostream<wchar_t,
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char_traits<wchar_t> >& _Ostr)
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{ // insert newline and flush wide stream
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_Ostr.put('\n');
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_Ostr.flush();
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return (_Ostr);
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}
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_CRTIMP2 inline basic_ostream<char, char_traits<char> >&
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__cdecl ends(basic_ostream<char, char_traits<char> >& _Ostr)
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{ // insert null character into byte stream
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_Ostr.put('\0');
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return (_Ostr);
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}
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_CRTIMP2 inline basic_ostream<wchar_t, char_traits<wchar_t> >&
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__cdecl ends(basic_ostream<wchar_t,
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char_traits<wchar_t> >& _Ostr)
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{ // insert null character into wide stream
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_Ostr.put('\0');
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return (_Ostr);
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}
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_CRTIMP2 inline basic_ostream<char, char_traits<char> >&
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__cdecl flush(basic_ostream<char, char_traits<char> >& _Ostr)
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{ // flush byte stream
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_Ostr.flush();
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return (_Ostr);
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}
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_CRTIMP2 inline basic_ostream<wchar_t, char_traits<wchar_t> >&
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__cdecl flush(basic_ostream<wchar_t,
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char_traits<wchar_t> >& _Ostr)
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{ // flush wide stream
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_Ostr.flush();
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return (_Ostr);
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}
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#ifdef _DLL_CPPLIB
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template _CRTIMP2 basic_ostream<char, char_traits<char> >& __cdecl
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operator<<(basic_ostream<char, char_traits<char> >&,
|
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const char *);
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template _CRTIMP2 basic_ostream<char, char_traits<char> >& __cdecl
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operator<<(basic_ostream<char, char_traits<char> >&, char);
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template _CRTIMP2 basic_ostream<char, char_traits<char> >& __cdecl
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operator<<(basic_ostream<char, char_traits<char> >&,
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const signed char *);
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template _CRTIMP2 basic_ostream<char, char_traits<char> >& __cdecl
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operator<<(basic_ostream<char, char_traits<char> >&, signed char);
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template _CRTIMP2 basic_ostream<char, char_traits<char> >& __cdecl
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operator<<(basic_ostream<char, char_traits<char> >&,
|
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const unsigned char *);
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template _CRTIMP2 basic_ostream<char, char_traits<char> >& __cdecl
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operator<<(basic_ostream<char, char_traits<char> >&, unsigned char);
|
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template _CRTIMP2 basic_ostream<wchar_t, char_traits<wchar_t> >& __cdecl
|
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operator<<(basic_ostream<wchar_t, char_traits<wchar_t> >&,
|
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const wchar_t *);
|
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template _CRTIMP2 basic_ostream<wchar_t, char_traits<wchar_t> >& __cdecl
|
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operator<<(basic_ostream<wchar_t, char_traits<wchar_t> >&, wchar_t);
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#endif // _DLL_CPPLIB
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_STD_END
|
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#pragma warning(pop)
|
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#pragma pack(pop)
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|
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#endif /* _OSTREAM_ */
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|
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/*
|
|
* Copyright (c) 1992-2001 by P.J. Plauger. ALL RIGHTS RESERVED.
|
|
* Consult your license regarding permissions and restrictions.
|
|
V3.10:0009 */
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