ostream.tcc

linux下编程用 编译软件

// ostream classes -*- C++ -*-

// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file ostream.tcc
 *  This is an internal header file, included by other library headers.
 *  You should not attempt to use it directly.
 */

//
// ISO C++ 14882: 27.6.2  Output streams
//

#ifndef _OSTREAM_TCC
#define _OSTREAM_TCC 1

#pragma GCC system_header

#include <locale>

namespace std
{
  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>::sentry::
    sentry(basic_ostream<_CharT, _Traits>& __os)
    : _M_ok(false), _M_os(__os)
    {
      // XXX MT
      if (__os.tie() && __os.good())
	__os.tie()->flush();

      if (__os.good())
	_M_ok = true;
      else
	__os.setstate(ios_base::failbit);
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(__ostream_type& (*__pf)(__ostream_type&))
    {
      // _GLIBCXX_RESOLVE_LIB_DEFECTS
      // DR 60. What is a formatted input function?
      // The inserters for manipulators are *not* formatted output functions.
      return __pf(*this);
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(__ios_type& (*__pf)(__ios_type&))
    {
      // _GLIBCXX_RESOLVE_LIB_DEFECTS
      // DR 60. What is a formatted input function?
      // The inserters for manipulators are *not* formatted output functions.
      __pf(*this);
      return *this;
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(ios_base& (*__pf)(ios_base&))
    {
      // _GLIBCXX_RESOLVE_LIB_DEFECTS
      // DR 60. What is a formatted input function?
      // The inserters for manipulators are *not* formatted output functions.
      __pf(*this);
      return *this;
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(bool __n)
    {
      sentry __cerb(*this);
      if (__cerb)
	{
	  ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
	  try
	    {
	      const __num_put_type& __np = __check_facet(this->_M_num_put);
	      if (__np.put(*this, *this, this->fill(), __n).failed())
		__err |= ios_base::badbit;
	    }
	  catch(...)
	    { this->_M_setstate(ios_base::badbit); }
	  if (__err)
	    this->setstate(__err);
	}
      return *this;
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(short __n)
    {
      sentry __cerb(*this);
      if (__cerb)
	{
	  ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
	  try
	    {
	      // _GLIBCXX_RESOLVE_LIB_DEFECTS
	      // 117. basic_ostream uses nonexistent num_put member functions.
	      long __l;
	      const ios_base::fmtflags __fmt = (this->flags()
						& ios_base::basefield);
	      if (__fmt == ios_base::oct || __fmt == ios_base::hex)
		__l = static_cast<long>(static_cast<unsigned short>(__n));
	      else
		__l = static_cast<long>(__n);
	      const __num_put_type& __np = __check_facet(this->_M_num_put);
	      if (__np.put(*this, *this, this->fill(), __l).failed())
		__err |= ios_base::badbit;
	    }
	  catch(...)
	    { this->_M_setstate(ios_base::badbit); }
	  if (__err)
	    this->setstate(__err);
	}
      return *this;
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(unsigned short __n)
    {
      sentry __cerb(*this);
      if (__cerb)
	{
	  ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
	  try
	    {
	      // _GLIBCXX_RESOLVE_LIB_DEFECTS
	      // 117. basic_ostream uses nonexistent num_put member functions.
	      const __num_put_type& __np = __check_facet(this->_M_num_put);
	      if (__np.put(*this, *this, this->fill(),
			   static_cast<unsigned long>(__n)).failed())
		__err |= ios_base::badbit;
	    }
	  catch(...)
	    { this->_M_setstate(ios_base::badbit); }
	  if (__err)
	    this->setstate(__err);
	}
      return *this;
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(int __n)
    {
      sentry __cerb(*this);
      if (__cerb)
	{
	  ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
	  try
	    {
	      // _GLIBCXX_RESOLVE_LIB_DEFECTS
	      // 117. basic_ostream uses nonexistent num_put member functions.
	      long __l;
	      const ios_base::fmtflags __fmt = (this->flags()
						& ios_base::basefield);
	      if (__fmt == ios_base::oct || __fmt == ios_base::hex)
		__l = static_cast<long>(static_cast<unsigned int>(__n));
	      else
		__l = static_cast<long>(__n);
	      const __num_put_type& __np = __check_facet(this->_M_num_put);
	      if (__np.put(*this, *this, this->fill(), __l).failed())
		__err |= ios_base::badbit;
	    }
	  catch(...)
	    { this->_M_setstate(ios_base::badbit); }
	  if (__err)
	    this->setstate(__err);
	}
      return *this;
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(unsigned int __n)
    {
      sentry __cerb(*this);
      if (__cerb)
	{
	  ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
	  try
	    {
	      // _GLIBCXX_RESOLVE_LIB_DEFECTS
	      // 117. basic_ostream uses nonexistent num_put member functions.
	      const __num_put_type& __np = __check_facet(this->_M_num_put);
	      if (__np.put(*this, *this, this->fill(),
			   static_cast<unsigned long>(__n)).failed())
		__err |= ios_base::badbit;
	    }
	  catch(...)
	    { this->_M_setstate(ios_base::badbit); }
	  if (__err)
	    this->setstate(__err);
	}
      return *this;
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(long __n)
    {
      sentry __cerb(*this);
      if (__cerb)
	{
	  ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
	  try
	    {
	      const __num_put_type& __np = __check_facet(this->_M_num_put);
	      if (__np.put(*this, *this, this->fill(), __n).failed())
		__err |= ios_base::badbit;
	    }
	  catch(...)
	    { this->_M_setstate(ios_base::badbit); }
	  if (__err)
	    this->setstate(__err);
	}
      return *this;
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(unsigned long __n)
    {
      sentry __cerb(*this);
      if (__cerb)
	{
	  ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
	  try
	    {
	      const __num_put_type& __np = __check_facet(this->_M_num_put);
	      if (__np.put(*this, *this, this->fill(), __n).failed())
		__err |= ios_base::badbit;
	    }
	  catch(...)
	    { this->_M_setstate(ios_base::badbit); }
	  if (__err)
	    this->setstate(__err);
	}
      return *this;
    }

#ifdef _GLIBCXX_USE_LONG_LONG
  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(long long __n)
    {
      sentry __cerb(*this);
      if (__cerb)
	{
	  ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
	  try
	    {
	      const __num_put_type& __np = __check_facet(this->_M_num_put);
	      if (__np.put(*this, *this, this->fill(), __n).failed())
		__err |= ios_base::badbit;
	    }
	  catch(...)
	    { this->_M_setstate(ios_base::badbit); }
	  if (__err)
	    this->setstate(__err);
	}
      return *this;
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(unsigned long long __n)
    {
      sentry __cerb(*this);
      if (__cerb)
	{
	  ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
	  try
	    {
	      const __num_put_type& __np = __check_facet(this->_M_num_put);
	      if (__np.put(*this, *this, this->fill(), __n).failed())
		__err |= ios_base::badbit;
	    }
	  catch(...)
	    { this->_M_setstate(ios_base::badbit); }
	  if (__err)
	    this->setstate(__err);
	}
      return *this;
    }
#endif

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(float __n)
    {
      sentry __cerb(*this);
      if (__cerb)
	{
	  ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
	  try
	    {
	      // _GLIBCXX_RESOLVE_LIB_DEFECTS
	      // 117. basic_ostream uses nonexistent num_put member functions.
	      const __num_put_type& __np = __check_facet(this->_M_num_put);
	      if (__np.put(*this, *this, this->fill(),
			   static_cast<double>(__n)).failed())
		__err |= ios_base::badbit;
	    }
	  catch(...)
	    { this->_M_setstate(ios_base::badbit); }
	  if (__err)
	    this->setstate(__err);
	}
      return *this;
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(double __n)
    {
      sentry __cerb(*this);
      if (__cerb)
	{
	  ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
	  try
	    {
	      const __num_put_type& __np = __check_facet(this->_M_num_put);
	      if (__np.put(*this, *this, this->fill(), __n).failed())
		__err |= ios_base::badbit;
	    }
	  catch(...)
	    { this->_M_setstate(ios_base::badbit); }
	  if (__err)
	    this->setstate(__err);
	}
      return *this;
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(long double __n)
    {
      sentry __cerb(*this);
      if (__cerb)
	{
	  ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
	  try
	    {
	      const __num_put_type& __np = __check_facet(this->_M_num_put);
	      if (__np.put(*this, *this, this->fill(), __n).failed())
		__err |= ios_base::badbit;
	    }
	  catch(...)
	    { this->_M_setstate(ios_base::badbit); }
	  if (__err)
	    this->setstate(__err);
	}
      return *this;
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    basic_ostream<_CharT, _Traits>::
    operator<<(const void* __n)
    {
      sentry __cerb(*this);
      if (__cerb)
	{
	  ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);