697 lines
20 KiB
C++
697 lines
20 KiB
C++
// ostream classes -*- C++ -*-
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// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
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// Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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//
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// ISO C++ 14882: 27.6.2 Output streams
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//
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#ifndef _OSTREAM_TCC
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#define _OSTREAM_TCC 1
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#pragma GCC system_header
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#include <locale>
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namespace std
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{
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>::sentry::
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sentry(basic_ostream<_CharT, _Traits>& __os)
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: _M_os(__os)
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{
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// XXX MT
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if (__os.tie() && __os.good())
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__os.tie()->flush();
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if (__os.good())
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_M_ok = true;
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else
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{
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_M_ok = false;
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__os.setstate(ios_base::failbit);
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}
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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operator<<(__ostream_type& (*__pf)(__ostream_type&))
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// DR 60. What is a formatted input function?
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// The inserters for manipulators are *not* formatted output functions.
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return __pf(*this);
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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operator<<(__ios_type& (*__pf)(__ios_type&))
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// DR 60. What is a formatted input function?
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// The inserters for manipulators are *not* formatted output functions.
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__pf(*this);
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return *this;
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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operator<<(ios_base& (*__pf)(ios_base&))
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// DR 60. What is a formatted input function?
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// The inserters for manipulators are *not* formatted output functions.
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__pf(*this);
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return *this;
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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operator<<(bool __n)
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{
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sentry __cerb(*this);
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if (__cerb)
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{
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ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
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try
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{
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const __num_put_type& __np = __check_facet(this->_M_num_put);
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if (__np.put(*this, *this, this->fill(), __n).failed())
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__err |= ios_base::badbit;
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}
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catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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}
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return *this;
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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operator<<(long __n)
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{
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sentry __cerb(*this);
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if (__cerb)
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{
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ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
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try
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{
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bool __b = false;
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char_type __c = this->fill();
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ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
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const __num_put_type& __np = __check_facet(this->_M_num_put);
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if ((__fmt & ios_base::oct) || (__fmt & ios_base::hex))
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{
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unsigned long __l = static_cast<unsigned long>(__n);
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__b = __np.put(*this, *this, __c, __l).failed();
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}
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else
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__b = __np.put(*this, *this, __c, __n).failed();
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if (__b)
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__err |= ios_base::badbit;
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}
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catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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}
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return *this;
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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operator<<(unsigned long __n)
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{
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sentry __cerb(*this);
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if (__cerb)
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{
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ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
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try
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{
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const __num_put_type& __np = __check_facet(this->_M_num_put);
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if (__np.put(*this, *this, this->fill(), __n).failed())
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__err |= ios_base::badbit;
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}
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catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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}
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return *this;
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}
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#ifdef _GLIBCXX_USE_LONG_LONG
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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operator<<(long long __n)
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{
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sentry __cerb(*this);
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if (__cerb)
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{
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ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
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try
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{
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bool __b = false;
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char_type __c = this->fill();
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ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
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const __num_put_type& __np = __check_facet(this->_M_num_put);
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if ((__fmt & ios_base::oct) || (__fmt & ios_base::hex))
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{
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unsigned long long __l;
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__l = static_cast<unsigned long long>(__n);
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__b = __np.put(*this, *this, __c, __l).failed();
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}
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else
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__b = __np.put(*this, *this, __c, __n).failed();
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if (__b)
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__err |= ios_base::badbit;
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}
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catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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}
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return *this;
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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operator<<(unsigned long long __n)
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{
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sentry __cerb(*this);
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if (__cerb)
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{
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ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
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try
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{
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const __num_put_type& __np = __check_facet(this->_M_num_put);
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if (__np.put(*this, *this, this->fill(), __n).failed())
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__err |= ios_base::badbit;
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}
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catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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}
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return *this;
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}
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#endif
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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operator<<(double __n)
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{
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sentry __cerb(*this);
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if (__cerb)
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{
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ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
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try
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{
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const __num_put_type& __np = __check_facet(this->_M_num_put);
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if (__np.put(*this, *this, this->fill(), __n).failed())
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__err |= ios_base::badbit;
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}
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catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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}
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return *this;
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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operator<<(long double __n)
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{
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sentry __cerb(*this);
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if (__cerb)
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{
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ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
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try
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{
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const __num_put_type& __np = __check_facet(this->_M_num_put);
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if (__np.put(*this, *this, this->fill(), __n).failed())
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__err |= ios_base::badbit;
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}
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catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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}
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return *this;
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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operator<<(const void* __n)
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{
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sentry __cerb(*this);
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if (__cerb)
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{
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ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
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try
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{
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const __num_put_type& __np = __check_facet(this->_M_num_put);
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if (__np.put(*this, *this, this->fill(), __n).failed())
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__err |= ios_base::badbit;
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}
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catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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}
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return *this;
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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operator<<(__streambuf_type* __sbin)
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{
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ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
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sentry __cerb(*this);
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if (__cerb && __sbin)
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{
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try
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{
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if (!__copy_streambufs(__sbin, this->rdbuf()))
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__err |= ios_base::failbit;
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}
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catch(...)
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{ this->_M_setstate(ios_base::failbit); }
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}
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else if (!__sbin)
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__err |= ios_base::badbit;
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if (__err)
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this->setstate(__err);
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return *this;
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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put(char_type __c)
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// DR 60. What is a formatted input function?
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// basic_ostream::put(char_type) is an unformatted output function.
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// DR 63. Exception-handling policy for unformatted output.
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// Unformatted output functions should catch exceptions thrown
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// from streambuf members.
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sentry __cerb(*this);
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if (__cerb)
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{
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ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
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try
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{
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int_type __put = this->rdbuf()->sputc(__c);
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if (traits_type::eq_int_type(__put, traits_type::eof()))
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__err |= ios_base::badbit;
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}
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catch (...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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}
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return *this;
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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write(const _CharT* __s, streamsize __n)
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// DR 60. What is a formatted input function?
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// basic_ostream::write(const char_type*, streamsize) is an
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// unformatted output function.
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// DR 63. Exception-handling policy for unformatted output.
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// Unformatted output functions should catch exceptions thrown
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// from streambuf members.
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sentry __cerb(*this);
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if (__cerb)
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{
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try
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{ _M_write(__s, __n); }
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catch (...)
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{ this->_M_setstate(ios_base::badbit); }
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}
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return *this;
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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flush()
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// DR 60. What is a formatted input function?
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// basic_ostream::flush() is *not* an unformatted output function.
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ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
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try
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{
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if (this->rdbuf() && this->rdbuf()->pubsync() == -1)
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__err |= ios_base::badbit;
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}
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catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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return *this;
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}
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template<typename _CharT, typename _Traits>
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typename basic_ostream<_CharT, _Traits>::pos_type
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basic_ostream<_CharT, _Traits>::
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tellp()
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{
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pos_type __ret = pos_type(-1);
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try
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{
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if (!this->fail())
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__ret = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::out);
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}
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catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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return __ret;
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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seekp(pos_type __pos)
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{
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ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
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try
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{
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if (!this->fail())
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 136. seekp, seekg setting wrong streams?
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pos_type __p = this->rdbuf()->pubseekpos(__pos, ios_base::out);
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// 129. Need error indication from seekp() and seekg()
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if (__p == pos_type(off_type(-1)))
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__err |= ios_base::failbit;
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}
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}
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catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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return *this;
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}
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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basic_ostream<_CharT, _Traits>::
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seekp(off_type __off, ios_base::seekdir __dir)
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{
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ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
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try
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{
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if (!this->fail())
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 136. seekp, seekg setting wrong streams?
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pos_type __p = this->rdbuf()->pubseekoff(__off, __dir,
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ios_base::out);
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// 129. Need error indication from seekp() and seekg()
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if (__p == pos_type(off_type(-1)))
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__err |= ios_base::failbit;
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}
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}
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catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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return *this;
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}
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// 27.6.2.5.4 Character inserters.
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
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{
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typedef basic_ostream<_CharT, _Traits> __ostream_type;
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typename __ostream_type::sentry __cerb(__out);
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if (__cerb)
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{
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try
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{
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const streamsize __w = __out.width();
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streamsize __len = 1;
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_CharT* __cs = &__c;
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if (__w > __len)
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{
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__cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
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* __w));
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__pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __cs,
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&__c, __w, __len, false);
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__len = __w;
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}
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__out._M_write(__cs, __len);
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__out.width(0);
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}
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catch(...)
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{ __out._M_setstate(ios_base::badbit); }
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}
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return __out;
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}
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// Specializations.
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template <class _Traits>
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basic_ostream<char, _Traits>&
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operator<<(basic_ostream<char, _Traits>& __out, char __c)
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{
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typedef basic_ostream<char, _Traits> __ostream_type;
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typename __ostream_type::sentry __cerb(__out);
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if (__cerb)
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{
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try
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{
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const streamsize __w = __out.width();
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streamsize __len = 1;
|
|
char* __cs = &__c;
|
|
if (__w > __len)
|
|
{
|
|
__cs = static_cast<char*>(__builtin_alloca(__w));
|
|
__pad<char, _Traits>::_S_pad(__out, __out.fill(), __cs,
|
|
&__c, __w, __len, false);
|
|
__len = __w;
|
|
}
|
|
__out._M_write(__cs, __len);
|
|
__out.width(0);
|
|
}
|
|
catch(...)
|
|
{ __out._M_setstate(ios_base::badbit); }
|
|
}
|
|
return __out;
|
|
}
|
|
|
|
template<typename _CharT, typename _Traits>
|
|
basic_ostream<_CharT, _Traits>&
|
|
operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
|
|
{
|
|
typedef basic_ostream<_CharT, _Traits> __ostream_type;
|
|
typename __ostream_type::sentry __cerb(__out);
|
|
if (__cerb && __s)
|
|
{
|
|
try
|
|
{
|
|
const streamsize __w = __out.width();
|
|
streamsize __len = static_cast<streamsize>(_Traits::length(__s));
|
|
if (__w > __len)
|
|
{
|
|
_CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
|
|
* __w));
|
|
__pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __cs,
|
|
__s, __w, __len, false);
|
|
__s = __cs;
|
|
__len = __w;
|
|
}
|
|
__out._M_write(__s, __len);
|
|
__out.width(0);
|
|
}
|
|
catch(...)
|
|
{ __out._M_setstate(ios_base::badbit); }
|
|
}
|
|
else if (!__s)
|
|
__out.setstate(ios_base::badbit);
|
|
return __out;
|
|
}
|
|
|
|
template<typename _CharT, typename _Traits>
|
|
basic_ostream<_CharT, _Traits>&
|
|
operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
|
|
{
|
|
typedef basic_ostream<_CharT, _Traits> __ostream_type;
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// 167. Improper use of traits_type::length()
|
|
// Note that this is only in 'Review' status.
|
|
typedef char_traits<char> __traits_type;
|
|
typename __ostream_type::sentry __cerb(__out);
|
|
if (__cerb && __s)
|
|
{
|
|
size_t __clen = __traits_type::length(__s);
|
|
_CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
|
|
* __clen));
|
|
for (size_t __i = 0; __i < __clen; ++__i)
|
|
__ws[__i] = __out.widen(__s[__i]);
|
|
_CharT* __str = __ws;
|
|
|
|
try
|
|
{
|
|
const streamsize __w = __out.width();
|
|
streamsize __len = static_cast<streamsize>(__clen);
|
|
if (__w > __len)
|
|
{
|
|
_CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
|
|
* __w));
|
|
__pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __cs,
|
|
__ws, __w, __len, false);
|
|
__str = __cs;
|
|
__len = __w;
|
|
}
|
|
__out._M_write(__str, __len);
|
|
__out.width(0);
|
|
}
|
|
catch(...)
|
|
{ __out._M_setstate(ios_base::badbit); }
|
|
}
|
|
else if (!__s)
|
|
__out.setstate(ios_base::badbit);
|
|
return __out;
|
|
}
|
|
|
|
// Partial specializations.
|
|
template<class _Traits>
|
|
basic_ostream<char, _Traits>&
|
|
operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
|
|
{
|
|
typedef basic_ostream<char, _Traits> __ostream_type;
|
|
typename __ostream_type::sentry __cerb(__out);
|
|
if (__cerb && __s)
|
|
{
|
|
try
|
|
{
|
|
const streamsize __w = __out.width();
|
|
streamsize __len = static_cast<streamsize>(_Traits::length(__s));
|
|
if (__w > __len)
|
|
{
|
|
char* __cs = static_cast<char*>(__builtin_alloca(__w));
|
|
__pad<char, _Traits>::_S_pad(__out, __out.fill(), __cs,
|
|
__s, __w, __len, false);
|
|
__s = __cs;
|
|
__len = __w;
|
|
}
|
|
__out._M_write(__s, __len);
|
|
__out.width(0);
|
|
}
|
|
catch(...)
|
|
{ __out._M_setstate(ios_base::badbit); }
|
|
}
|
|
else if (!__s)
|
|
__out.setstate(ios_base::badbit);
|
|
return __out;
|
|
}
|
|
|
|
// 21.3.7.9 basic_string::operator<<
|
|
template<typename _CharT, typename _Traits, typename _Alloc>
|
|
basic_ostream<_CharT, _Traits>&
|
|
operator<<(basic_ostream<_CharT, _Traits>& __out,
|
|
const basic_string<_CharT, _Traits, _Alloc>& __str)
|
|
{
|
|
typedef basic_ostream<_CharT, _Traits> __ostream_type;
|
|
typename __ostream_type::sentry __cerb(__out);
|
|
if (__cerb)
|
|
{
|
|
const streamsize __w = __out.width();
|
|
streamsize __len = static_cast<streamsize>(__str.size());
|
|
const _CharT* __s = __str.data();
|
|
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// 25. String operator<< uses width() value wrong
|
|
if (__w > __len)
|
|
{
|
|
_CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w));
|
|
__pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __cs, __s,
|
|
__w, __len, false);
|
|
__s = __cs;
|
|
__len = __w;
|
|
}
|
|
__out._M_write(__s, __len);
|
|
__out.width(0);
|
|
}
|
|
return __out;
|
|
}
|
|
|
|
// Inhibit implicit instantiations for required instantiations,
|
|
// which are defined via explicit instantiations elsewhere.
|
|
// NB: This syntax is a GNU extension.
|
|
#if _GLIBCXX_EXTERN_TEMPLATE
|
|
extern template class basic_ostream<char>;
|
|
extern template ostream& endl(ostream&);
|
|
extern template ostream& ends(ostream&);
|
|
extern template ostream& flush(ostream&);
|
|
extern template ostream& operator<<(ostream&, char);
|
|
extern template ostream& operator<<(ostream&, unsigned char);
|
|
extern template ostream& operator<<(ostream&, signed char);
|
|
extern template ostream& operator<<(ostream&, const char*);
|
|
extern template ostream& operator<<(ostream&, const unsigned char*);
|
|
extern template ostream& operator<<(ostream&, const signed char*);
|
|
|
|
#ifdef _GLIBCXX_USE_WCHAR_T
|
|
extern template class basic_ostream<wchar_t>;
|
|
extern template wostream& endl(wostream&);
|
|
extern template wostream& ends(wostream&);
|
|
extern template wostream& flush(wostream&);
|
|
extern template wostream& operator<<(wostream&, wchar_t);
|
|
extern template wostream& operator<<(wostream&, char);
|
|
extern template wostream& operator<<(wostream&, const wchar_t*);
|
|
extern template wostream& operator<<(wostream&, const char*);
|
|
#endif
|
|
#endif
|
|
} // namespace std
|
|
|
|
#endif
|