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-/* ****************************************************************************
- * ios -- C++ I/O streams.
- * Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
- *
- * This file is part of the 'all/cpp' module in libcarrot, an experimental
- * modular libc project.
- *
- * This file is governed by the CeCILL-C license under French law and abiding
- * by the rules of distribution of free software. You can use, modify and or
- * redistribute it under the terms of the CeCILL-C license as circulated by
- * CEA, CNRS and INRIA at the following URL: http://www.cecill.info
- *
- * As a counterpart to the access to the source code and rights to copy, modify
- * and redistribute granted by the license, users are provided only with a
- * limited warranty and the software's author, the holder of the economic
- * rights, and the successive licensors have only limited liability.
- *
- * In this respect, the user's attention is drawn to the risks associated with
- * loading, using, modifying and/or developing and reproducing the software by
- * the user in light of its specific status of free software, that may mean
- * that it is complicated to manipulate, and that also therefore means that it
- * is reserved for developers and experienced professionals having in-depth
- * computer knowledge. Users are therefore encouraged to load and test the
- * software's suitability as regards their requirements in conditions enabling
- * the security of their systems and/or data to be ensured and, more generally,
- * to use and operate it in the same conditions as regards security.
- *
- * The fact that you are presently reading this means you have had knowledge of
- * the CeCILL-C license and that you accept its terms.
- * ************************************************************************* */
-#if __USE_CXX98 && !defined(_IOS_HPP) && !defined(_IOS_)
-# define _IOS_HPP 1
-# define _IOS_ 1
-# include <cdefs.h>
-# include <iosfwd>
-__BEGIN_NAMESPACE_STD
-
-/* Main types */
-typedef unsigned long streamoff;
-typedef size_t streamsize;
-/* ************************************************************************* */
-/* I/O stream base */
-/* ************************************************************************* */
-class ios_base {
-public:
- class failure : public exception {
- public:
- explicit failure(const string& __msg);
- virtual ~failure();
- virtual const char* what() const throw();
- }
-
- typedef unsigned long fmtflags;
- /* Insert and extract `bool` type in alphabetical format. */
- static const fmtflags boolalpha = 1L << 0;
- /* Convert integer input or generate integer output in decimal base. */
- static const fmtflags dec = 1L << 1;
- /* Generate floating-point output in fixed-point notation. */
- static const fmtflags fixed = 1L << 2;
- /* Convert integer input or generate integer output in hexadecimal base. */
- static const fmtflags hex = 1L << 3;
- /* Add fill characters at a designated internal point in certain
- * generated output, or identical to `right` if no such point
- * is designated. */
- static const fmtflags internal = 1L << 4;
- /* Add fill characters on the right (final positions) of certain
- * generated output. */
- static const fmtflags left = 1L << 5;
- /* Convert integer input or generate integer output in octal base. */
- static const fmtflags oct = 1L << 6;
- /* Add fill characters on the left (initial positions) of certain
- * generated output. */
- static const fmtflags right = 1L << 7;
- /* Generate floating-point ouput in scientific notation. */
- static const fmtflags scientific = 1L << 8;
- /* Generate a prefix indicating the numeric base of generated
- * integer output. */
- static const fmtflags showbase = 1L << 9;
- /* Generate a decimal-point character unconditionally in generated
- * floating-point output. */
- static const fmtflags showpoint = 1L << 10;
- /* Generate a '+' sign in non-negative generated numeric output. */
- static const fmtflags showpos = 1L << 11;
- /* Skip leading white space before certain input operations. */
- static const fmtflags skipws = 1L << 12;
- /* Flush output after each output operation. */
- static const fmtflags unitbuf = 1L << 13;
- /* Replace certain lowercase letters with their uppercase equivalents
- * in generated output. */
- static const fmtflags uppercase = 1L << 14;
- /* Constant values. */
- static const fmtflags adjustfield = left | right | internal;
- static const fmtflags basefield = dec | oct | hex;
- static const fmtflags floatfield = scientific | fixed;
-
- typedef unsigned long iostate;
- /* Indicate a loss of integrity in an input or output sequence
- * (such as irrecoverable read error from a file). */
- static const iostate badbit = 1L << 0;
- /* Indicate that an input operation reached the end of an
- * input sequence. */
- static const iostate eofbit = 1L << 1;
- /* Indicate that an input operation failed to read the expected characters,
- * or that an output operation failed to generate the desired characters. */
- static const iostate failbit = 1L << 2;
- /* The value zero. */
- static const iostate goodbit = /* -1... just kidding, */ 0;
-
- typedef unsigned long openmode;
- /* Seek to end before each write. */
- static const openmode app = 1L << 0;
- /* Open and seek to end immediately after opening. */
- static const openmode ate = 1L << 1;
- /* Perform input and output in binary mode (as opposed to text mode). */
- static const openmode binary = 1L << 2;
- /* Open for input. */
- static const openmode in = 1L << 3;
- /* Open for output. */
- static const openmode out = 1L << 4;
- /* Truncate an existing stream when opening. */
- static const openmode trunc = 1L << 5;
-
- typedef unsigned long seekdir;
- /* Request a seek relative to the beginning of the stream. */
- static const seekdir beg = 1L << 0;
- /* Request a seek relative to the current position within the sequence. */
- static const seekdir cur = 1L << 1;
- /* Request a seek relative to the current end of the sequence. */
- static const seekdir end = 1L << 2;
-
- /* The object that ensures the construction of the eight objects declared
- * in <iostream> that associate file stream buffers with the standard
- * C streams provided for by the functions declared in <cstdio>. */
- class Init {
- public:
- Init();
- ~Init();
- private:
-# if 0 /* exposition only */
- static int init_cnt;
-# endif
- };
-
- /* fmtflags state functions */
- fmtflags flags() const;
- fmtflags flags(fmtflags __fmtfl);
- fmtflags setf(fmtflags __fmtfl);
- fmtflags setf(fmtflags __fmtfl, fmtflags __mask);
- void unsetf(fmtflags __mask);
-
- streamsize precision() const;
- streamsize precision(streamsize __prec);
- streamsize width() const;
- streamsize width(streamsize __wide);
-
- /* locale functions */
- locale imbue(const locale& __loc);
- locale getloc() const;
-
- /* storage functions */
- static int xalloc();
- long& iword(int __index);
- void*& pword(int __index);
-
- virtual ~ios_base();
-
- enum event { erase_event, imbue_event, copyfmt_event };
- typedef void (*event_callback)(event, ios_base&, int __index);
- void register_callback(event_callback __fn, int __index);
-
- static bool sync_with_stdio(bool __sync = true);
-
-protected:
- ios_base();
-
-private:
-# if 0 /* exposition only */
- static int index;
- long *iarray;
- void **parray;
-# endif
-
-private:
- ios_base(const ios_base&);
- ios_base& operator = (const ios_base&);
-};
-/* ************************************************************************* */
-/* I/O stream position */
-/* ************************************************************************* */
-template <class _StateT> class fpos {
-public:
- _StateT state() const;
- void state(_StateT);
-private:
-# if 0 /* exposition only */
- _StateT st;
-# endif
-};
-/* ************************************************************************* */
-/* I/O basic stream */
-/* ************************************************************************* */
-template <class _CharT, class _Traits = char_traits<_CharT>>
-class basic_ios : public ios_base {
-public:
- 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;
-
- operator void*() const;
- bool operator !() const;
-
- iostate rdstate() const;
- void clear(iostate __state = goodbit);
- void setstate(iostate __state);
- bool good() const;
- bool eof() const;
- bool fail() const;
- bool bad() const;
-
- iostate exceptions() const;
- void exceptions(iostate __except);
-
- explicit basic_ios(basic_streambuf<_CharT, _Traits>* __sb);
- virtual ~basic_ios();
-
- basic_ostream<_CharT, _Traits>* tie() const;
- basic_ostream<_CharT, _Traits>* tie(basic_ostream<_CharT, _Traits>* __sb);
-
- basic_ios& copyfmt(const basic_ios& __rhs);
-
- char_type fill() const;
- char_type fill(char_type __ch);
-
- locale imbue(const locale& __loc);
-
- char narrow(char_type __c, char __dfault) const;
- char_type widen(char __c) const;
-
-protected:
- basic_ios();
- void init(basic_streambuf<_CharT, _Traits>* __sb);
-
-private:
- basic_ios (const basic_ios&); /* not defined */
- basic_ios& operator=(const basic_ios&); /* not defined */
-};
-/* ************************************************************************* */
-/* Utilities */
-/* ************************************************************************* */
-/* Manipulators */
-ios_base& boolalpha(ios_base& __str);
-ios_base& noboolalpha(ios_base& __str);
-ios_base& showbase(ios_base& __str);
-ios_base& noshowbase(ios_base& __str);
-ios_base& showpoint(ios_base& __str);
-ios_base& noshowpoint(ios_base& __str);
-ios_base& skipws(ios_base& __str);
-ios_base& noskipws(ios_base& __str);
-ios_base& uppercase(ios_base& __str);
-ios_base& nouppercase(ios_base& __str);
-ios_base& unitbuf(ios_base& __str);
-ios_base& nounitbuf(ios_base& __str);
-
-/* Adjust field */
-ios_base& internal(ios_base& __str);
-ios_base& left(ios_base& __str);
-ios_base& right(ios_base& __str);
-
-/* Base field */
-ios_base& dec(ios_base& __str);
-ios_base& hex(ios_base& __str);
-ios_base& oct(ios_base& __str);
-
-/* Float field */
-ios_base& fixed(ios_base& __str);
-ios_base& scientific(ios_base& __str);
-
-__END_NAMESPACE_STD
-#endif /* _IOS_HPP, _IOS_ */
-#ifndef _IOS_HPP
-# define _IOS_HPP 1
-#endif
-#ifndef _IOS_
-# define _IOS_ 1
-#endif