006
17.09.2003, 16:45 Uhr
~Fat-Tiger
Gast
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| C++: |
// Output streams -*- C++ -*-
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
// 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// 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.
//
// ISO C++ 14882: 27.6.2 Output streams
//
/** @file ostream
* This is a Standard C++ Library header. You should @c #include this header
* in your programs, rather than any of the "st[dl]_*.h" implementation files.
*/
#ifndef _CPP_OSTREAM
#define _CPP_OSTREAM 1
#pragma GCC system_header
#include <ios>
namespace std
{
// 27.6.2.1 Template class basic_ostream
template<typename _CharT, typename _Traits>
class basic_ostream : virtual public basic_ios<_CharT, _Traits>
{
public:
// Types (inherited from basic_ios (27.4.4)):
typedef _CharT char_type;
typedef typename _Traits::int_type int_type;
typedef typename _Traits::pos_type pos_type;
typedef typename _Traits::off_type off_type;
typedef _Traits traits_type;
// Non-standard Types:
typedef basic_streambuf<_CharT, _Traits> __streambuf_type;
typedef basic_ios<_CharT, _Traits> __ios_type;
typedef basic_ostream<_CharT, _Traits> __ostream_type;
typedef ostreambuf_iterator<_CharT, _Traits> __ostreambuf_iter;
typedef num_put<_CharT, __ostreambuf_iter> __numput_type;
typedef ctype<_CharT> __ctype_type;
// 27.6.2.2 Constructor/destructor:
explicit
basic_ostream(__streambuf_type* __sb)
{ this->init(__sb); }
virtual
~basic_ostream() { }
// 27.6.2.3 Prefix/suffix:
class sentry;
friend class sentry;
// 27.6.2.5 Formatted output:
// 27.6.2.5.3 basic_ostream::operator<<
__ostream_type&
operator<<(__ostream_type& (*__pf)(__ostream_type&));
__ostream_type&
operator<<(__ios_type& (*__pf)(__ios_type&));
__ostream_type&
operator<<(ios_base& (*__pf) (ios_base&));
// 27.6.2.5.2 Arithmetic Inserters
__ostream_type&
operator<<(long __n);
__ostream_type&
operator<<(unsigned long __n);
__ostream_type&
operator<<(bool __n);
__ostream_type&
operator<<(short __n)
{
ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
if (__fmt & ios_base::oct || __fmt & ios_base::hex)
return this->operator<<(static_cast<unsigned long>
(static_cast<unsigned short>(__n)));
else
return this->operator<<(static_cast<long>(__n));
}
__ostream_type&
operator<<(unsigned short __n)
{ return this->operator<<(static_cast<unsigned long>(__n)); }
__ostream_type&
operator<<(int __n)
{
ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
if (__fmt & ios_base::oct || __fmt & ios_base::hex)
return this->operator<<(static_cast<unsigned long>
(static_cast<unsigned int>(__n)));
else
return this->operator<<(static_cast<long>(__n));
}
__ostream_type&
operator<<(unsigned int __n)
{ return this->operator<<(static_cast<unsigned long>(__n)); }
#ifdef _GLIBCPP_USE_LONG_LONG
__ostream_type&
operator<<(long long __n);
__ostream_type&
operator<<(unsigned long long __n);
#endif
__ostream_type&
operator<<(double __f);
__ostream_type&
operator<<(float __f)
{ return this->operator<<(static_cast<double>(__f)); }
__ostream_type&
operator<<(long double __f);
__ostream_type&
operator<<(const void* __p);
__ostream_type&
operator<<(__streambuf_type* __sb);
// Unformatted output:
__ostream_type&
put(char_type __c);
__ostream_type&
write(const char_type* __s, streamsize __n);
__ostream_type&
flush();
// Seeks:
pos_type
tellp();
__ostream_type&
seekp(pos_type);
__ostream_type&
seekp(off_type, ios_base::seekdir);
};
// 27.6.2.3 Class basic_ostream::sentry
template <typename _CharT, typename _Traits>
class basic_ostream<_CharT, _Traits>::sentry
{
// Data Members:
bool _M_ok;
basic_ostream<_CharT,_Traits>& _M_os;
public:
explicit
sentry(basic_ostream<_CharT,_Traits>& __os);
~sentry()
{
// XXX MT
if (_M_os.flags() & ios_base::unitbuf && !uncaught_exception())
{
// Can't call flush directly or else will get into recursive lock.
if (_M_os.rdbuf() && _M_os.rdbuf()->pubsync() == -1)
_M_os.setstate(ios_base::badbit);
}
}
operator bool()
{ return _M_ok; }
};
template<typename _CharT, typename _Traits>
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c);
template<typename _CharT, typename _Traits>
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
{ return (__out << __out.widen(__c)); }
// Specialization
template <class _Traits>
basic_ostream<char, _Traits>&
operator<<(basic_ostream<char, _Traits>& __out, char __c);
// Signed and unsigned
template<class _Traits>
basic_ostream<char, _Traits>&
operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
{ return (__out << static_cast<char>(__c)); }
template<class _Traits>
basic_ostream<char, _Traits>&
operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
{ return (__out << static_cast<char>(__c)); }
template<typename _CharT, typename _Traits>
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s);
template<typename _CharT, typename _Traits>
basic_ostream<_CharT, _Traits> &
operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s);
// Partial specializationss
template<class _Traits>
basic_ostream<char, _Traits>&
operator<<(basic_ostream<char, _Traits>& __out, const char* __s);
// Signed and unsigned
template<class _Traits>
basic_ostream<char, _Traits>&
operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s)
{ return (__out << reinterpret_cast<const char*>(__s)); }
template<class _Traits>
basic_ostream<char, _Traits> &
operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s)
{ return (__out << reinterpret_cast<const char*>(__s)); }
// 27.6.2.7 Standard basic_ostream manipulators
template<typename _CharT, typename _Traits>
basic_ostream<_CharT, _Traits>&
endl(basic_ostream<_CharT, _Traits>& __os)
{ return flush(__os.put(__os.widen('\n'))); }
template<typename _CharT, typename _Traits>
basic_ostream<_CharT, _Traits>&
ends(basic_ostream<_CharT, _Traits>& __os)
{ return __os.put(_CharT()); }
template<typename _CharT, typename _Traits>
basic_ostream<_CharT, _Traits>&
flush(basic_ostream<_CharT, _Traits>& __os)
{ return __os.flush(); }
} // namespace std
#ifdef _GLIBCPP_NO_TEMPLATE_EXPORT
# define export
#endif
#ifdef _GLIBCPP_FULLY_COMPLIANT_HEADERS
# include <bits/ostream.tcc>
#endif
#endif /* _CPP_OSTREAM */
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--edit Pablo. Mann, da braucht man wirklich [ cpp ] tags...... --
Dieser Post wurde am 17.09.2003 um 17:03 Uhr von Pablo Yanez Trujillo editiert. |
