mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-24 11:29:31 +08:00
920253a3bc
Sun Sep 28 12:09:04 1997 Mark Mitchell <mmitchell@usa.net>
* iomanip.h: Use new friend <> syntax.
From-SVN: r15775
171 lines
5.3 KiB
C++
171 lines
5.3 KiB
C++
/* This is part of libio/iostream, providing -*- C++ -*- input/output.
|
|
Copyright (C) 1993 Free Software Foundation
|
|
|
|
This file is part of the GNU IO 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, if you link this library with files
|
|
compiled with a GNU compiler to produce an executable, this does not 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. */
|
|
|
|
#ifndef _IOMANIP_H
|
|
#ifdef __GNUG__
|
|
#pragma interface
|
|
#endif
|
|
#define _IOMANIP_H
|
|
|
|
#include <iostream.h>
|
|
|
|
extern "C++" {
|
|
//-----------------------------------------------------------------------------
|
|
// Parametrized Manipulators as specified by ANSI draft
|
|
//-----------------------------------------------------------------------------
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Stream Manipulators
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
template<class TP> class smanip; // TP = Type Param
|
|
|
|
template<class TP> class sapp {
|
|
ios& (*_f)(ios&, TP);
|
|
public:
|
|
sapp(ios& (*f)(ios&, TP)) : _f(f) {}
|
|
//
|
|
smanip<TP> operator()(TP a)
|
|
{ return smanip<TP>(_f, a); }
|
|
};
|
|
|
|
template<class TP>
|
|
inline istream& operator>>(istream& i, const smanip<TP>& m);
|
|
template<class TP>
|
|
inline ostream& operator<<(ostream& o, const smanip<TP>& m);
|
|
|
|
template <class TP> class smanip {
|
|
ios& (*_f)(ios&, TP);
|
|
TP _a;
|
|
public:
|
|
smanip(ios& (*f)(ios&, TP), TP a) : _f(f), _a(a) {}
|
|
//
|
|
friend
|
|
istream& operator>> <>(istream& i, const smanip<TP>& m);
|
|
friend
|
|
ostream& operator<< <>(ostream& o, const smanip<TP>& m);
|
|
};
|
|
|
|
#ifdef __GNUG__
|
|
extern template class smanip<int>;
|
|
extern template class smanip<ios::fmtflags>;
|
|
#endif
|
|
|
|
template<class TP>
|
|
inline istream& operator>>(istream& i, const smanip<TP>& m)
|
|
{ (*m._f)(i, m._a); return i; }
|
|
|
|
template<class TP>
|
|
inline ostream& operator<<(ostream& o, const smanip<TP>& m)
|
|
{ (*m._f)(o, m._a); return o;}
|
|
|
|
#ifdef __GNUG__
|
|
extern template istream& operator>>(istream&, const smanip<int>&);
|
|
extern template istream& operator>>(istream&, const smanip<ios::fmtflags>&);
|
|
extern template ostream& operator<<(ostream&, const smanip<int>&);
|
|
extern template ostream& operator<<(ostream&, const smanip<ios::fmtflags>&);
|
|
#endif
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Input-Stream Manipulators
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
template<class TP> class imanip;
|
|
|
|
template<class TP> class iapp {
|
|
istream& (*_f)(istream&, TP);
|
|
public:
|
|
iapp(istream& (*f)(istream&,TP)) : _f(f) {}
|
|
//
|
|
imanip<TP> operator()(TP a)
|
|
{ return imanip<TP>(_f, a); }
|
|
};
|
|
|
|
template <class TP> class imanip {
|
|
istream& (*_f)(istream&, TP);
|
|
TP _a;
|
|
public:
|
|
imanip(istream& (*f)(istream&, TP), TP a) : _f(f), _a(a) {}
|
|
//
|
|
friend
|
|
istream& operator>>(istream& i, const imanip<TP>& m);
|
|
};
|
|
|
|
template <class TP>
|
|
inline istream& operator>>(istream& i, const imanip<TP>& m)
|
|
{ return (*m._f)( i, m._a); }
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Output-Stream Manipulators
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
template<class TP> class omanip;
|
|
|
|
template<class TP> class oapp {
|
|
ostream& (*_f)(ostream&, TP);
|
|
public:
|
|
oapp(ostream& (*f)(ostream&,TP)) : _f(f) {}
|
|
//
|
|
omanip<TP> operator()(TP a)
|
|
{ return omanip<TP>(_f, a); }
|
|
};
|
|
|
|
template <class TP> class omanip {
|
|
ostream& (*_f)(ostream&, TP);
|
|
TP _a;
|
|
public:
|
|
omanip(ostream& (*f)(ostream&, TP), TP a) : _f(f), _a(a) {}
|
|
//
|
|
friend
|
|
ostream& operator<<(ostream& o, const omanip<TP>& m);
|
|
};
|
|
|
|
template <class TP>
|
|
inline ostream& operator<<(ostream& o, const omanip<TP>& m)
|
|
{ return (*m._f)(o, m._a); }
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Available Manipulators
|
|
//-----------------------------------------------------------------------------
|
|
|
|
//
|
|
// Macro to define an iomanip function, with one argument
|
|
// The underlying function is `__iomanip_<name>'
|
|
//
|
|
#define __DEFINE_IOMANIP_FN1(type,param,function) \
|
|
extern ios& __iomanip_##function (ios&, param); \
|
|
inline type<param> function (param n) \
|
|
{ return type<param> (__iomanip_##function, n); }
|
|
|
|
__DEFINE_IOMANIP_FN1( smanip, int, setbase)
|
|
__DEFINE_IOMANIP_FN1( smanip, int, setfill)
|
|
__DEFINE_IOMANIP_FN1( smanip, int, setprecision)
|
|
__DEFINE_IOMANIP_FN1( smanip, int, setw)
|
|
|
|
__DEFINE_IOMANIP_FN1( smanip, ios::fmtflags, resetiosflags)
|
|
__DEFINE_IOMANIP_FN1( smanip, ios::fmtflags, setiosflags)
|
|
} // extern "C++"
|
|
|
|
#endif /*!_IOMANIP_H*/
|