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// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
// 2006, 2007, 2008, 2009, 2010, 2011
// 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 3, 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.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file include/iomanip
* This is a Standard C++ Library header.
*/
//
// ISO C++ 14882: 27.6.3 Standard manipulators
//
#ifndef _GLIBCXX_IOMANIP
#define _GLIBCXX_IOMANIP 1
#pragma GCC system_header
#include <bits/c++config.h>
#include <iosfwd>
#include <bits/ios_base.h>
#ifdef __GXX_EXPERIMENTAL_CXX0X__
#include <locale>
#endif
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
// [27.6.3] standard manipulators
// Also see DR 183.
struct _Resetiosflags { ios_base::fmtflags _M_mask; };
/**
* @brief Manipulator for @c setf.
* @param __mask A format flags mask.
*
* Sent to a stream object, this manipulator resets the specified flags,
* via @e stream.setf(0,__mask).
*/
inline _Resetiosflags
resetiosflags(ios_base::fmtflags __mask)
{ _Resetiosflags r = { __mask }; return r; }
template<typename _CharT, typename _Traits>
inline basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f)
{
__is.setf(ios_base::fmtflags(0), __f._M_mask);
return __is;
}
template<typename _CharT, typename _Traits>
inline basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, _Resetiosflags __f)
{
__os.setf(ios_base::fmtflags(0), __f._M_mask);
return __os;
}
struct _Setiosflags { ios_base::fmtflags _M_mask; };
/**
* @brief Manipulator for @c setf.
* @param __mask A format flags mask.
*
* Sent to a stream object, this manipulator sets the format flags
* to @a __mask.
*/
inline _Setiosflags
setiosflags(ios_base::fmtflags __mask)
{ _Setiosflags s = { __mask }; return s; }
template<typename _CharT, typename _Traits>
inline basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f)
{
__is.setf(__f._M_mask);
return __is;
}
template<typename _CharT, typename _Traits>
inline basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, _Setiosflags __f)
{
__os.setf(__f._M_mask);
return __os;
}
struct _Setbase { int _M_base; };
/**
* @brief Manipulator for @c setf.
* @param __base A numeric base.
*
* Sent to a stream object, this manipulator changes the
* @c ios_base::basefield flags to @c oct, @c dec, or @c hex when @a base
* is 8, 10, or 16, accordingly, and to 0 if @a __base is any other value.
*/
inline _Setbase
setbase(int __base)
{ _Setbase s = { __base }; return s; }
template<typename _CharT, typename _Traits>
inline basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f)
{
__is.setf(__f._M_base == 8 ? ios_base::oct :
__f._M_base == 10 ? ios_base::dec :
__f._M_base == 16 ? ios_base::hex :
ios_base::fmtflags(0), ios_base::basefield);
return __is;
}
template<typename _CharT, typename _Traits>
inline basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, _Setbase __f)
{
__os.setf(__f._M_base == 8 ? ios_base::oct :
__f._M_base == 10 ? ios_base::dec :
__f._M_base == 16 ? ios_base::hex :
ios_base::fmtflags(0), ios_base::basefield);
return __os;
}
template<typename _CharT>
struct _Setfill { _CharT _M_c; };
/**
* @brief Manipulator for @c fill.
* @param __c The new fill character.
*
* Sent to a stream object, this manipulator calls @c fill(__c) for that
* object.
*/
template<typename _CharT>
inline _Setfill<_CharT>
setfill(_CharT __c)
{ _Setfill<_CharT> s = { __c }; return s; }
template<typename _CharT, typename _Traits>
inline basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f)
{
__is.fill(__f._M_c);
return __is;
}
template<typename _CharT, typename _Traits>
inline basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, _Setfill<_CharT> __f)
{
__os.fill(__f._M_c);
return __os;
}
struct _Setprecision { int _M_n; };
/**
* @brief Manipulator for @c precision.
* @param __n The new precision.
*
* Sent to a stream object, this manipulator calls @c precision(__n) for
* that object.
*/
inline _Setprecision
setprecision(int __n)
{ _Setprecision s = { __n }; return s; }
template<typename _CharT, typename _Traits>
inline basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f)
{
__is.precision(__f._M_n);
return __is;
}
template<typename _CharT, typename _Traits>
inline basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, _Setprecision __f)
{
__os.precision(__f._M_n);
return __os;
}
struct _Setw { int _M_n; };
/**
* @brief Manipulator for @c width.
* @param __n The new width.
*
* Sent to a stream object, this manipulator calls @c width(__n) for
* that object.
*/
inline _Setw
setw(int __n)
{ _Setw s = {__n} ; return s; }
template<typename _CharT, typename _Traits>
inline basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, _Setw __f)
{
__is.width(__f._M_n);
return __is;
}
template<typename _CharT, typename _Traits>
inline basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, _Setw __f)
{
__os.width(__f._M_n);
return __os;
}
#ifdef __GXX_EXPERIMENTAL_CXX0X__
template<typename _MoneyT>
struct _Get_money { _MoneyT& _M_mon; bool _M_intl; };
/**
* @brief Extended manipulator for extracting money.
* @param __mon Either long double or a specialization of @c basic_string.
* @param __intl A bool indicating whether international format
* is to be used.
*
* Sent to a stream object, this manipulator extracts @a __mon.
*/
template<typename _MoneyT>
inline _Get_money<_MoneyT>
get_money(_MoneyT& __mon, bool __intl = false)
{ return { __mon, __intl }; }
template<typename _CharT, typename _Traits, typename _MoneyT>
basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, _Get_money<_MoneyT> __f)
{
typename basic_istream<_CharT, _Traits>::sentry __cerb(__is, false);
if (__cerb)
{
ios_base::iostate __err = ios_base::goodbit;
__try
{
typedef istreambuf_iterator<_CharT, _Traits> _Iter;
typedef money_get<_CharT, _Iter> _MoneyGet;
const _MoneyGet& __mg = use_facet<_MoneyGet>(__is.getloc());
__mg.get(_Iter(__is.rdbuf()), _Iter(), __f._M_intl,
__is, __err, __f._M_mon);
}
__catch(__cxxabiv1::__forced_unwind&)
{
__is._M_setstate(ios_base::badbit);
__throw_exception_again;
}
__catch(...)
{ __is._M_setstate(ios_base::badbit); }
if (__err)
__is.setstate(__err);
}
return __is;
}
template<typename _MoneyT>
struct _Put_money { const _MoneyT& _M_mon; bool _M_intl; };
/**
* @brief Extended manipulator for inserting money.
* @param __mon Either long double or a specialization of @c basic_string.
* @param __intl A bool indicating whether international format
* is to be used.
*
* Sent to a stream object, this manipulator inserts @a __mon.
*/
template<typename _MoneyT>
inline _Put_money<_MoneyT>
put_money(const _MoneyT& __mon, bool __intl = false)
{ return { __mon, __intl }; }
template<typename _CharT, typename _Traits, typename _MoneyT>
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, _Put_money<_MoneyT> __f)
{
typename basic_ostream<_CharT, _Traits>::sentry __cerb(__os);
if (__cerb)
{
ios_base::iostate __err = ios_base::goodbit;
__try
{
typedef ostreambuf_iterator<_CharT, _Traits> _Iter;
typedef money_put<_CharT, _Iter> _MoneyPut;
const _MoneyPut& __mp = use_facet<_MoneyPut>(__os.getloc());
if (__mp.put(_Iter(__os.rdbuf()), __f._M_intl, __os,
__os.fill(), __f._M_mon).failed())
__err |= ios_base::badbit;
}
__catch(__cxxabiv1::__forced_unwind&)
{
__os._M_setstate(ios_base::badbit);
__throw_exception_again;
}
__catch(...)
{ __os._M_setstate(ios_base::badbit); }
if (__err)
__os.setstate(__err);
}
return __os;
}
#endif
// 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 ostream& operator<<(ostream&, _Setfill<char>);
extern template ostream& operator<<(ostream&, _Setiosflags);
extern template ostream& operator<<(ostream&, _Resetiosflags);
extern template ostream& operator<<(ostream&, _Setbase);
extern template ostream& operator<<(ostream&, _Setprecision);
extern template ostream& operator<<(ostream&, _Setw);
extern template istream& operator>>(istream&, _Setfill<char>);
extern template istream& operator>>(istream&, _Setiosflags);
extern template istream& operator>>(istream&, _Resetiosflags);
extern template istream& operator>>(istream&, _Setbase);
extern template istream& operator>>(istream&, _Setprecision);
extern template istream& operator>>(istream&, _Setw);
#ifdef _GLIBCXX_USE_WCHAR_T
extern template wostream& operator<<(wostream&, _Setfill<wchar_t>);
extern template wostream& operator<<(wostream&, _Setiosflags);
extern template wostream& operator<<(wostream&, _Resetiosflags);
extern template wostream& operator<<(wostream&, _Setbase);
extern template wostream& operator<<(wostream&, _Setprecision);
extern template wostream& operator<<(wostream&, _Setw);
extern template wistream& operator>>(wistream&, _Setfill<wchar_t>);
extern template wistream& operator>>(wistream&, _Setiosflags);
extern template wistream& operator>>(wistream&, _Resetiosflags);
extern template wistream& operator>>(wistream&, _Setbase);
extern template wistream& operator>>(wistream&, _Setprecision);
extern template wistream& operator>>(wistream&, _Setw);
#endif
#endif
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
#endif /* _GLIBCXX_IOMANIP */
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