/usr/include/rheolef/iorheobase.h is in librheolef-dev 6.7-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# define _IORHEOBASE_H
///
/// This file is part of Rheolef.
///
/// Copyright (C) 2000-2009 Pierre Saramito <Pierre.Saramito@imag.fr>
///
/// Rheolef 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 of the License, or
/// (at your option) any later version.
///
/// Rheolef 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 Rheolef; if not, write to the Free Software
/// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
///
/// =========================================================================
#include "rheolef/compiler.h"
namespace rheolef {
// --------------------------------------------------------------
// header macro definitions, for code reduction purpose
// --------------------------------------------------------------
#define iorheobase_def_boolean_accessor_macro(ioclass,stream,name) \
static bool get##name (stream& s) \
{ \
return ioclass::flags(s) [name]; \
}
#define iorheobase_manip_boolean_accessor_macro(ioclass,stream,name) \
inline stream& name (stream& s) \
{ \
ioclass::setf (s, ioclass::name); \
return s; \
} \
inline stream& no##name (stream& s) \
{ \
ioclass::unsetf (s, ioclass::name); \
return s; \
}
// ------------------------------------------------------
#define iorheobase_def_member_macro(ioclass,stream,name,groupe) \
iorheobase_def_boolean_accessor_macro(ioclass,stream,name)
#define iorheobase_manip_member_macro(ioclass,stream,name,groupe) \
inline stream& name (stream& s) \
{ \
ioclass::setf(s, ioclass::name, ioclass::groupe##_field); \
return s; \
}
// ------------------------------------------------------
#define iorheobase_def_scalar_macro(ioclass,t, a) \
protected: \
t a ## _; \
const t& a () const; \
void a (const t& x); \
public: \
static const t& get##a (std::ios& s); \
static std::ios& set##a (std::ios& s, const t& x);
#define iorheobase_manip_scalar_macro(ioclass,t, a, io) \
inline io##rheomanip1<t> set##a (const t& x) \
{ \
return io##rheomanip1<t>(&(ioclass::set##a), x); \
}
// --------------------------------------------------------------
// body macro definitions, for code reduction purpose
// --------------------------------------------------------------
# define iorheobase_io_scalar_body_macro(ioclass,t,a) \
const t& \
ioclass::a () const \
{ \
return a##_; \
} \
void \
ioclass::a (const t& x) \
{ \
a##_ = x; \
} \
const t& \
ioclass::get##a (std::ios& s) \
{ \
return (ioclass::get_pointer(s) -> a()); \
} \
std::ios& \
ioclass::set##a (std::ios& s, const t& x) \
{ \
(ioclass::get_pointer(s) -> a(x)); \
return s; \
}
// --------------------------------------------------------------
// io manipulators
// --------------------------------------------------------------
template <class T>
class irheomanip1 {
protected:
std::ios& (*f) (std::ios&, const T&);
T i;
public:
irheomanip1 (std::ios& (*ff)(std::ios&, const T&), const T& ii)
: f(ff), i(ii) {}
friend std::istream& operator >> (std::istream& is, const irheomanip1& m)
{ m.f (is, m.i); return is; }
};
template <class T>
class orheomanip1 {
protected:
std::ios& (*f) (std::ios&, const T&);
T i;
public:
orheomanip1 (std::ios& (*ff)(std::ios&, const T&), const T& ii)
: f(ff), i(ii) {}
friend std::ostream& operator << (std::ostream& os, const orheomanip1& m)
{ m.f (os, m.i); return os; }
};
template <class T>
class iorheomanip1 {
protected:
std::ios& (*f) (std::ios&, const T&);
T i;
public:
iorheomanip1 (std::ios& (*ff)(std::ios&, const T&), const T& ii)
: f(ff), i(ii) {}
friend std::istream& operator >> (std::istream& is, const iorheomanip1& m)
{ m.f (is, m.i); return is; }
friend std::ostream& operator << (std::ostream& os, const iorheomanip1& m)
{ m.f (os, m.i); return os; }
};
// ---------------------------------------------------------------------
// iofem trivial memory handler
// TODO: a global destructor that delete the list
// when global cstor/dstor works...
// ---------------------------------------------------------------------
template <class T>
class iorheobase_memory_handler {
public:
static std::list<T*> *pointer_list;
static inline T* iorheobase_alloc () {
static bool init = false;
if (!init) {
pointer_list = new_macro(std::list<T*>);
init = true;
}
T *p = new_macro(T);
(*pointer_list).push_back(p);
return p;
}
//
// io-manips / memory interface
//
static inline T* get_pointer (std::ios& io) {
static int iobaseidx = 0;
static bool iobaseidx_initialized = false;
if (!iobaseidx_initialized) {
iobaseidx = std::ios::xalloc();
iobaseidx_initialized = true;
}
T* p = (T*)io.pword(iobaseidx);
#ifdef _RHEOLEF_HAVE_IOS_BITALLOC
// io.pword(iobaseidx) n'est pas forcement nul la premiere fois
// e.g. CRAY C++ ne l'initialise pas
// => peut valoir une valeur arbitraire...
// pas moyen de savoir quand il faut l'initialiser
// std::ios::bitalloc: un bit va permettre de dire
// si on a deja initialise'
// bitalloc = pas standard (e.g. pas avec KAI C++)
// mais permet de contourner le bug du
// compilateur cray c++
// le script configure teste si bitalloc() existe
static long iobase_bitidx;
static bool iobase_bitidx_initialized = false;
long bit;
if (!iobase_bitidx_initialized) {
iobase_bitidx = std::ios::bitalloc();
iobase_bitidx_initialized = true;
}
long bit_init;
if (iobase_bitidx == 0) {
// no bits are still available in std::ios...
bit_init = (p != 0);
} else {
// get iobase_bitidx flag in io.flags:
long io_flags = io.flags();
bit_init = io_flags & iobase_bitidx;
// set iobase_bitidx flag to true in io.flags:
io.flags(io_flags | iobase_bitidx);
}
#else // ! _RHEOLEF_HAVE_IOS_BITALLOC
long bit_init = (p != 0);
#endif // _RHEOLEF_HAVE_IOS_BITALLOC
if (bit_init == 0) {
if (p != 0) {
warning_macro ("ios::pwords(int) return value not initialized (fixed)");
}
io.pword(iobaseidx) = p = iorheobase_alloc();
} else {
if (p == 0) {
fatal_macro ("ios::pwords(int) return null value: memory corrupted");
}
}
return p;
}
};
}// namespace rheolef
# endif /* _IORHEOBASE_H */
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