1067 lines
26 KiB
C++
1067 lines
26 KiB
C++
// -*- C++ -*-
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//===---------------------------- ios -------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_IOS
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#define _LIBCPP_IOS
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/*
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ios synopsis
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#include <iosfwd>
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namespace std
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{
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typedef OFF_T streamoff;
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typedef SZ_T streamsize;
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template <class stateT> class fpos;
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class ios_base
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{
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public:
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class failure;
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typedef T1 fmtflags;
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static constexpr fmtflags boolalpha;
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static constexpr fmtflags dec;
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static constexpr fmtflags fixed;
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static constexpr fmtflags hex;
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static constexpr fmtflags internal;
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static constexpr fmtflags left;
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static constexpr fmtflags oct;
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static constexpr fmtflags right;
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static constexpr fmtflags scientific;
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static constexpr fmtflags showbase;
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static constexpr fmtflags showpoint;
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static constexpr fmtflags showpos;
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static constexpr fmtflags skipws;
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static constexpr fmtflags unitbuf;
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static constexpr fmtflags uppercase;
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static constexpr fmtflags adjustfield;
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static constexpr fmtflags basefield;
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static constexpr fmtflags floatfield;
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typedef T2 iostate;
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static constexpr iostate badbit;
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static constexpr iostate eofbit;
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static constexpr iostate failbit;
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static constexpr iostate goodbit;
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typedef T3 openmode;
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static constexpr openmode app;
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static constexpr openmode ate;
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static constexpr openmode binary;
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static constexpr openmode in;
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static constexpr openmode out;
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static constexpr openmode trunc;
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typedef T4 seekdir;
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static constexpr seekdir beg;
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static constexpr seekdir cur;
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static constexpr seekdir end;
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class Init;
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// 27.5.2.2 fmtflags state:
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fmtflags flags() const;
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fmtflags flags(fmtflags fmtfl);
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fmtflags setf(fmtflags fmtfl);
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fmtflags setf(fmtflags fmtfl, fmtflags mask);
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void unsetf(fmtflags mask);
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streamsize precision() const;
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streamsize precision(streamsize prec);
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streamsize width() const;
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streamsize width(streamsize wide);
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// 27.5.2.3 locales:
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locale imbue(const locale& loc);
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locale getloc() const;
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// 27.5.2.5 storage:
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static int xalloc();
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long& iword(int index);
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void*& pword(int index);
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// destructor
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virtual ~ios_base();
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// 27.5.2.6 callbacks;
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enum event { erase_event, imbue_event, copyfmt_event };
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typedef void (*event_callback)(event, ios_base&, int index);
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void register_callback(event_callback fn, int index);
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ios_base(const ios_base&) = delete;
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ios_base& operator=(const ios_base&) = delete;
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static bool sync_with_stdio(bool sync = true);
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protected:
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ios_base();
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};
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template <class charT, class traits = char_traits<charT> >
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class basic_ios
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: public ios_base
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{
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public:
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// types:
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typedef charT char_type;
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typedef typename traits::int_type int_type; // removed in C++17
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typedef typename traits::pos_type pos_type; // removed in C++17
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typedef typename traits::off_type off_type; // removed in C++17
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typedef traits traits_type;
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operator unspecified-bool-type() const;
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bool operator!() const;
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iostate rdstate() const;
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void clear(iostate state = goodbit);
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void setstate(iostate state);
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bool good() const;
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bool eof() const;
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bool fail() const;
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bool bad() const;
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iostate exceptions() const;
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void exceptions(iostate except);
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// 27.5.4.1 Constructor/destructor:
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explicit basic_ios(basic_streambuf<charT,traits>* sb);
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virtual ~basic_ios();
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// 27.5.4.2 Members:
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basic_ostream<charT,traits>* tie() const;
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basic_ostream<charT,traits>* tie(basic_ostream<charT,traits>* tiestr);
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basic_streambuf<charT,traits>* rdbuf() const;
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basic_streambuf<charT,traits>* rdbuf(basic_streambuf<charT,traits>* sb);
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basic_ios& copyfmt(const basic_ios& rhs);
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char_type fill() const;
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char_type fill(char_type ch);
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locale imbue(const locale& loc);
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char narrow(char_type c, char dfault) const;
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char_type widen(char c) const;
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basic_ios(const basic_ios& ) = delete;
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basic_ios& operator=(const basic_ios&) = delete;
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protected:
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basic_ios();
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void init(basic_streambuf<charT,traits>* sb);
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void move(basic_ios& rhs);
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void swap(basic_ios& rhs) noexcept;
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void set_rdbuf(basic_streambuf<charT, traits>* sb);
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};
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// 27.5.5, manipulators:
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ios_base& boolalpha (ios_base& str);
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ios_base& noboolalpha(ios_base& str);
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ios_base& showbase (ios_base& str);
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ios_base& noshowbase (ios_base& str);
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ios_base& showpoint (ios_base& str);
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ios_base& noshowpoint(ios_base& str);
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ios_base& showpos (ios_base& str);
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ios_base& noshowpos (ios_base& str);
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ios_base& skipws (ios_base& str);
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ios_base& noskipws (ios_base& str);
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ios_base& uppercase (ios_base& str);
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ios_base& nouppercase(ios_base& str);
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ios_base& unitbuf (ios_base& str);
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ios_base& nounitbuf (ios_base& str);
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// 27.5.5.2 adjustfield:
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ios_base& internal (ios_base& str);
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ios_base& left (ios_base& str);
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ios_base& right (ios_base& str);
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// 27.5.5.3 basefield:
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ios_base& dec (ios_base& str);
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ios_base& hex (ios_base& str);
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ios_base& oct (ios_base& str);
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// 27.5.5.4 floatfield:
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ios_base& fixed (ios_base& str);
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ios_base& scientific (ios_base& str);
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ios_base& hexfloat (ios_base& str);
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ios_base& defaultfloat(ios_base& str);
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// 27.5.5.5 error reporting:
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enum class io_errc
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{
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stream = 1
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};
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concept_map ErrorCodeEnum<io_errc> { };
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error_code make_error_code(io_errc e) noexcept;
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error_condition make_error_condition(io_errc e) noexcept;
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storage-class-specifier const error_category& iostream_category() noexcept;
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} // std
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*/
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#include <__config>
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#include <iosfwd>
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#include <__locale>
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#include <system_error>
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#if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER)
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#include <atomic> // for __xindex_
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#endif
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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typedef ptrdiff_t streamsize;
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class _LIBCPP_TYPE_VIS ios_base
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{
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public:
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class _LIBCPP_EXCEPTION_ABI failure;
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typedef unsigned int fmtflags;
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static const fmtflags boolalpha = 0x0001;
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static const fmtflags dec = 0x0002;
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static const fmtflags fixed = 0x0004;
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static const fmtflags hex = 0x0008;
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static const fmtflags internal = 0x0010;
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static const fmtflags left = 0x0020;
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static const fmtflags oct = 0x0040;
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static const fmtflags right = 0x0080;
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static const fmtflags scientific = 0x0100;
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static const fmtflags showbase = 0x0200;
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static const fmtflags showpoint = 0x0400;
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static const fmtflags showpos = 0x0800;
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static const fmtflags skipws = 0x1000;
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static const fmtflags unitbuf = 0x2000;
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static const fmtflags uppercase = 0x4000;
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static const fmtflags adjustfield = left | right | internal;
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static const fmtflags basefield = dec | oct | hex;
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static const fmtflags floatfield = scientific | fixed;
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typedef unsigned int iostate;
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static const iostate badbit = 0x1;
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static const iostate eofbit = 0x2;
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static const iostate failbit = 0x4;
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static const iostate goodbit = 0x0;
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typedef unsigned int openmode;
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static const openmode app = 0x01;
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static const openmode ate = 0x02;
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static const openmode binary = 0x04;
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static const openmode in = 0x08;
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static const openmode out = 0x10;
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static const openmode trunc = 0x20;
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enum seekdir {beg, cur, end};
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#if _LIBCPP_STD_VER <= 14
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typedef iostate io_state;
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typedef openmode open_mode;
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typedef seekdir seek_dir;
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typedef _VSTD::streamoff streamoff;
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typedef _VSTD::streampos streampos;
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#endif
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class _LIBCPP_TYPE_VIS Init;
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// 27.5.2.2 fmtflags state:
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_LIBCPP_INLINE_VISIBILITY fmtflags flags() const;
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_LIBCPP_INLINE_VISIBILITY fmtflags flags(fmtflags __fmtfl);
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_LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl);
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_LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl, fmtflags __mask);
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_LIBCPP_INLINE_VISIBILITY void unsetf(fmtflags __mask);
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_LIBCPP_INLINE_VISIBILITY streamsize precision() const;
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_LIBCPP_INLINE_VISIBILITY streamsize precision(streamsize __prec);
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_LIBCPP_INLINE_VISIBILITY streamsize width() const;
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_LIBCPP_INLINE_VISIBILITY streamsize width(streamsize __wide);
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// 27.5.2.3 locales:
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locale imbue(const locale& __loc);
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locale getloc() const;
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// 27.5.2.5 storage:
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static int xalloc();
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long& iword(int __index);
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void*& pword(int __index);
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// destructor
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virtual ~ios_base();
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// 27.5.2.6 callbacks;
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enum event { erase_event, imbue_event, copyfmt_event };
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typedef void (*event_callback)(event, ios_base&, int __index);
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void register_callback(event_callback __fn, int __index);
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private:
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ios_base(const ios_base&); // = delete;
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ios_base& operator=(const ios_base&); // = delete;
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public:
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static bool sync_with_stdio(bool __sync = true);
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_LIBCPP_INLINE_VISIBILITY iostate rdstate() const;
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void clear(iostate __state = goodbit);
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_LIBCPP_INLINE_VISIBILITY void setstate(iostate __state);
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_LIBCPP_INLINE_VISIBILITY bool good() const;
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_LIBCPP_INLINE_VISIBILITY bool eof() const;
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_LIBCPP_INLINE_VISIBILITY bool fail() const;
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_LIBCPP_INLINE_VISIBILITY bool bad() const;
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_LIBCPP_INLINE_VISIBILITY iostate exceptions() const;
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_LIBCPP_INLINE_VISIBILITY void exceptions(iostate __iostate);
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void __set_badbit_and_consider_rethrow();
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void __set_failbit_and_consider_rethrow();
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_LIBCPP_INLINE_VISIBILITY
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void __setstate_nothrow(iostate __state)
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{
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if (__rdbuf_)
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__rdstate_ |= __state;
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else
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__rdstate_ |= __state | ios_base::badbit;
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}
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protected:
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_LIBCPP_INLINE_VISIBILITY
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ios_base() {// purposefully does no initialization
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}
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void init(void* __sb);
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_LIBCPP_INLINE_VISIBILITY void* rdbuf() const {return __rdbuf_;}
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_LIBCPP_INLINE_VISIBILITY
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void rdbuf(void* __sb)
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{
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__rdbuf_ = __sb;
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clear();
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}
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void __call_callbacks(event);
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void copyfmt(const ios_base&);
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void move(ios_base&);
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void swap(ios_base&) _NOEXCEPT;
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_LIBCPP_INLINE_VISIBILITY
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void set_rdbuf(void* __sb)
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{
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__rdbuf_ = __sb;
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}
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private:
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// All data members must be scalars
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fmtflags __fmtflags_;
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streamsize __precision_;
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streamsize __width_;
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iostate __rdstate_;
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iostate __exceptions_;
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void* __rdbuf_;
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void* __loc_;
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event_callback* __fn_;
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int* __index_;
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size_t __event_size_;
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size_t __event_cap_;
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// TODO(EricWF): Enable this for both Clang and GCC. Currently it is only
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// enabled with clang.
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#if defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_NO_THREADS)
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static atomic<int> __xindex_;
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#else
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static int __xindex_;
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#endif
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long* __iarray_;
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size_t __iarray_size_;
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size_t __iarray_cap_;
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void** __parray_;
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size_t __parray_size_;
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size_t __parray_cap_;
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};
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//enum class io_errc
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_LIBCPP_DECLARE_STRONG_ENUM(io_errc)
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{
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stream = 1
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};
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_LIBCPP_DECLARE_STRONG_ENUM_EPILOG(io_errc)
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template <>
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struct _LIBCPP_TEMPLATE_VIS is_error_code_enum<io_errc> : public true_type { };
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#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
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template <>
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struct _LIBCPP_TEMPLATE_VIS is_error_code_enum<io_errc::__lx> : public true_type { };
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#endif
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_LIBCPP_FUNC_VIS
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const error_category& iostream_category() _NOEXCEPT;
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inline _LIBCPP_INLINE_VISIBILITY
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error_code
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make_error_code(io_errc __e) _NOEXCEPT
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{
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return error_code(static_cast<int>(__e), iostream_category());
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}
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inline _LIBCPP_INLINE_VISIBILITY
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error_condition
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make_error_condition(io_errc __e) _NOEXCEPT
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{
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return error_condition(static_cast<int>(__e), iostream_category());
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}
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class _LIBCPP_EXCEPTION_ABI ios_base::failure
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: public system_error
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{
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public:
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explicit failure(const string& __msg, const error_code& __ec = io_errc::stream);
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explicit failure(const char* __msg, const error_code& __ec = io_errc::stream);
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virtual ~failure() throw();
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};
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_LIBCPP_NORETURN inline _LIBCPP_INLINE_VISIBILITY
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void __throw_failure(char const* __msg) {
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#ifndef _LIBCPP_NO_EXCEPTIONS
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throw ios_base::failure(__msg);
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#else
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((void)__msg);
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_VSTD::abort();
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#endif
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}
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class _LIBCPP_TYPE_VIS ios_base::Init
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{
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public:
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Init();
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~Init();
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};
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// fmtflags
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inline _LIBCPP_INLINE_VISIBILITY
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ios_base::fmtflags
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ios_base::flags() const
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{
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return __fmtflags_;
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}
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inline _LIBCPP_INLINE_VISIBILITY
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ios_base::fmtflags
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ios_base::flags(fmtflags __fmtfl)
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{
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fmtflags __r = __fmtflags_;
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__fmtflags_ = __fmtfl;
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return __r;
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}
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inline _LIBCPP_INLINE_VISIBILITY
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ios_base::fmtflags
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ios_base::setf(fmtflags __fmtfl)
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{
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fmtflags __r = __fmtflags_;
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__fmtflags_ |= __fmtfl;
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return __r;
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}
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inline _LIBCPP_INLINE_VISIBILITY
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void
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ios_base::unsetf(fmtflags __mask)
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{
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__fmtflags_ &= ~__mask;
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}
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inline _LIBCPP_INLINE_VISIBILITY
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ios_base::fmtflags
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ios_base::setf(fmtflags __fmtfl, fmtflags __mask)
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{
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fmtflags __r = __fmtflags_;
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unsetf(__mask);
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__fmtflags_ |= __fmtfl & __mask;
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return __r;
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}
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// precision
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inline _LIBCPP_INLINE_VISIBILITY
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streamsize
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ios_base::precision() const
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{
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return __precision_;
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}
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inline _LIBCPP_INLINE_VISIBILITY
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streamsize
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ios_base::precision(streamsize __prec)
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{
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streamsize __r = __precision_;
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__precision_ = __prec;
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return __r;
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}
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// width
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inline _LIBCPP_INLINE_VISIBILITY
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streamsize
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ios_base::width() const
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{
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return __width_;
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}
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inline _LIBCPP_INLINE_VISIBILITY
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streamsize
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ios_base::width(streamsize __wide)
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{
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streamsize __r = __width_;
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__width_ = __wide;
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return __r;
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}
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// iostate
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inline _LIBCPP_INLINE_VISIBILITY
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ios_base::iostate
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ios_base::rdstate() const
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{
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return __rdstate_;
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}
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inline _LIBCPP_INLINE_VISIBILITY
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void
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ios_base::setstate(iostate __state)
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{
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clear(__rdstate_ | __state);
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}
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|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
ios_base::good() const
|
|
{
|
|
return __rdstate_ == 0;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
ios_base::eof() const
|
|
{
|
|
return (__rdstate_ & eofbit) != 0;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
ios_base::fail() const
|
|
{
|
|
return (__rdstate_ & (failbit | badbit)) != 0;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
ios_base::bad() const
|
|
{
|
|
return (__rdstate_ & badbit) != 0;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base::iostate
|
|
ios_base::exceptions() const
|
|
{
|
|
return __exceptions_;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
ios_base::exceptions(iostate __iostate)
|
|
{
|
|
__exceptions_ = __iostate;
|
|
clear(__rdstate_);
|
|
}
|
|
|
|
#if defined(_LIBCPP_CXX03_LANG)
|
|
struct _LIBCPP_TYPE_VIS __cxx03_bool {
|
|
typedef void (__cxx03_bool::*__bool_type)();
|
|
void __true_value() {}
|
|
};
|
|
#endif
|
|
|
|
template <class _CharT, class _Traits>
|
|
class _LIBCPP_TEMPLATE_VIS basic_ios
|
|
: public ios_base
|
|
{
|
|
public:
|
|
// types:
|
|
typedef _CharT char_type;
|
|
typedef _Traits traits_type;
|
|
|
|
typedef typename traits_type::int_type int_type;
|
|
typedef typename traits_type::pos_type pos_type;
|
|
typedef typename traits_type::off_type off_type;
|
|
|
|
static_assert((is_same<_CharT, typename traits_type::char_type>::value),
|
|
"traits_type::char_type must be the same type as CharT");
|
|
|
|
// __true_value will generate undefined references when linking unless
|
|
// we give it internal linkage.
|
|
|
|
#if defined(_LIBCPP_CXX03_LANG)
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
operator __cxx03_bool::__bool_type() const {
|
|
return !fail() ? &__cxx03_bool::__true_value : nullptr;
|
|
}
|
|
#else
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
_LIBCPP_EXPLICIT operator bool() const {return !fail();}
|
|
#endif
|
|
|
|
_LIBCPP_INLINE_VISIBILITY bool operator!() const {return fail();}
|
|
_LIBCPP_INLINE_VISIBILITY iostate rdstate() const {return ios_base::rdstate();}
|
|
_LIBCPP_INLINE_VISIBILITY void clear(iostate __state = goodbit) {ios_base::clear(__state);}
|
|
_LIBCPP_INLINE_VISIBILITY void setstate(iostate __state) {ios_base::setstate(__state);}
|
|
_LIBCPP_INLINE_VISIBILITY bool good() const {return ios_base::good();}
|
|
_LIBCPP_INLINE_VISIBILITY bool eof() const {return ios_base::eof();}
|
|
_LIBCPP_INLINE_VISIBILITY bool fail() const {return ios_base::fail();}
|
|
_LIBCPP_INLINE_VISIBILITY bool bad() const {return ios_base::bad();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY iostate exceptions() const {return ios_base::exceptions();}
|
|
_LIBCPP_INLINE_VISIBILITY void exceptions(iostate __iostate) {ios_base::exceptions(__iostate);}
|
|
|
|
// 27.5.4.1 Constructor/destructor:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit basic_ios(basic_streambuf<char_type,traits_type>* __sb);
|
|
virtual ~basic_ios();
|
|
|
|
// 27.5.4.2 Members:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
basic_ostream<char_type, traits_type>* tie() const;
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
basic_ostream<char_type, traits_type>* tie(basic_ostream<char_type, traits_type>* __tiestr);
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
basic_streambuf<char_type, traits_type>* rdbuf() const;
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
basic_streambuf<char_type, traits_type>* rdbuf(basic_streambuf<char_type, traits_type>* __sb);
|
|
|
|
basic_ios& copyfmt(const basic_ios& __rhs);
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
char_type fill() const;
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
char_type fill(char_type __ch);
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
locale imbue(const locale& __loc);
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
char narrow(char_type __c, char __dfault) const;
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
char_type widen(char __c) const;
|
|
|
|
protected:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
basic_ios() {// purposefully does no initialization
|
|
}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void init(basic_streambuf<char_type, traits_type>* __sb);
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void move(basic_ios& __rhs);
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void move(basic_ios&& __rhs) {move(__rhs);}
|
|
#endif
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void swap(basic_ios& __rhs) _NOEXCEPT;
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void set_rdbuf(basic_streambuf<char_type, traits_type>* __sb);
|
|
private:
|
|
basic_ostream<char_type, traits_type>* __tie_;
|
|
mutable int_type __fill_;
|
|
};
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
basic_ios<_CharT, _Traits>::basic_ios(basic_streambuf<char_type,traits_type>* __sb)
|
|
{
|
|
init(__sb);
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
basic_ios<_CharT, _Traits>::~basic_ios()
|
|
{
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
basic_ios<_CharT, _Traits>::init(basic_streambuf<char_type, traits_type>* __sb)
|
|
{
|
|
ios_base::init(__sb);
|
|
__tie_ = 0;
|
|
__fill_ = traits_type::eof();
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
basic_ostream<_CharT, _Traits>*
|
|
basic_ios<_CharT, _Traits>::tie() const
|
|
{
|
|
return __tie_;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
basic_ostream<_CharT, _Traits>*
|
|
basic_ios<_CharT, _Traits>::tie(basic_ostream<char_type, traits_type>* __tiestr)
|
|
{
|
|
basic_ostream<char_type, traits_type>* __r = __tie_;
|
|
__tie_ = __tiestr;
|
|
return __r;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
basic_streambuf<_CharT, _Traits>*
|
|
basic_ios<_CharT, _Traits>::rdbuf() const
|
|
{
|
|
return static_cast<basic_streambuf<char_type, traits_type>*>(ios_base::rdbuf());
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
basic_streambuf<_CharT, _Traits>*
|
|
basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf<char_type, traits_type>* __sb)
|
|
{
|
|
basic_streambuf<char_type, traits_type>* __r = rdbuf();
|
|
ios_base::rdbuf(__sb);
|
|
return __r;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
locale
|
|
basic_ios<_CharT, _Traits>::imbue(const locale& __loc)
|
|
{
|
|
locale __r = getloc();
|
|
ios_base::imbue(__loc);
|
|
if (rdbuf())
|
|
rdbuf()->pubimbue(__loc);
|
|
return __r;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
char
|
|
basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const
|
|
{
|
|
return use_facet<ctype<char_type> >(getloc()).narrow(__c, __dfault);
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_CharT
|
|
basic_ios<_CharT, _Traits>::widen(char __c) const
|
|
{
|
|
return use_facet<ctype<char_type> >(getloc()).widen(__c);
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_CharT
|
|
basic_ios<_CharT, _Traits>::fill() const
|
|
{
|
|
if (traits_type::eq_int_type(traits_type::eof(), __fill_))
|
|
__fill_ = widen(' ');
|
|
return __fill_;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_CharT
|
|
basic_ios<_CharT, _Traits>::fill(char_type __ch)
|
|
{
|
|
char_type __r = __fill_;
|
|
__fill_ = __ch;
|
|
return __r;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
basic_ios<_CharT, _Traits>&
|
|
basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs)
|
|
{
|
|
if (this != &__rhs)
|
|
{
|
|
__call_callbacks(erase_event);
|
|
ios_base::copyfmt(__rhs);
|
|
__tie_ = __rhs.__tie_;
|
|
__fill_ = __rhs.__fill_;
|
|
__call_callbacks(copyfmt_event);
|
|
exceptions(__rhs.exceptions());
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
basic_ios<_CharT, _Traits>::move(basic_ios& __rhs)
|
|
{
|
|
ios_base::move(__rhs);
|
|
__tie_ = __rhs.__tie_;
|
|
__rhs.__tie_ = 0;
|
|
__fill_ = __rhs.__fill_;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
basic_ios<_CharT, _Traits>::swap(basic_ios& __rhs) _NOEXCEPT
|
|
{
|
|
ios_base::swap(__rhs);
|
|
_VSTD::swap(__tie_, __rhs.__tie_);
|
|
_VSTD::swap(__fill_, __rhs.__fill_);
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
basic_ios<_CharT, _Traits>::set_rdbuf(basic_streambuf<char_type, traits_type>* __sb)
|
|
{
|
|
ios_base::set_rdbuf(__sb);
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
boolalpha(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::boolalpha);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
noboolalpha(ios_base& __str)
|
|
{
|
|
__str.unsetf(ios_base::boolalpha);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
showbase(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::showbase);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
noshowbase(ios_base& __str)
|
|
{
|
|
__str.unsetf(ios_base::showbase);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
showpoint(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::showpoint);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
noshowpoint(ios_base& __str)
|
|
{
|
|
__str.unsetf(ios_base::showpoint);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
showpos(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::showpos);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
noshowpos(ios_base& __str)
|
|
{
|
|
__str.unsetf(ios_base::showpos);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
skipws(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::skipws);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
noskipws(ios_base& __str)
|
|
{
|
|
__str.unsetf(ios_base::skipws);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
uppercase(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::uppercase);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
nouppercase(ios_base& __str)
|
|
{
|
|
__str.unsetf(ios_base::uppercase);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
unitbuf(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::unitbuf);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
nounitbuf(ios_base& __str)
|
|
{
|
|
__str.unsetf(ios_base::unitbuf);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
internal(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::internal, ios_base::adjustfield);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
left(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::left, ios_base::adjustfield);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
right(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::right, ios_base::adjustfield);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
dec(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::dec, ios_base::basefield);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
hex(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::hex, ios_base::basefield);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
oct(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::oct, ios_base::basefield);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
fixed(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::fixed, ios_base::floatfield);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
scientific(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::scientific, ios_base::floatfield);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
hexfloat(ios_base& __str)
|
|
{
|
|
__str.setf(ios_base::fixed | ios_base::scientific, ios_base::floatfield);
|
|
return __str;
|
|
}
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
ios_base&
|
|
defaultfloat(ios_base& __str)
|
|
{
|
|
__str.unsetf(ios_base::floatfield);
|
|
return __str;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
class __save_flags
|
|
{
|
|
typedef basic_ios<_CharT, _Traits> __stream_type;
|
|
typedef typename __stream_type::fmtflags fmtflags;
|
|
|
|
__stream_type& __stream_;
|
|
fmtflags __fmtflags_;
|
|
_CharT __fill_;
|
|
|
|
__save_flags(const __save_flags&);
|
|
__save_flags& operator=(const __save_flags&);
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit __save_flags(__stream_type& __stream)
|
|
: __stream_(__stream),
|
|
__fmtflags_(__stream.flags()),
|
|
__fill_(__stream.fill())
|
|
{}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
~__save_flags()
|
|
{
|
|
__stream_.flags(__fmtflags_);
|
|
__stream_.fill(__fill_);
|
|
}
|
|
};
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP_IOS
|