forked from OSchip/llvm-project
671 lines
18 KiB
C++
671 lines
18 KiB
C++
// -*- C++ -*-
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//===--------------------------- iomanip ----------------------------------===//
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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_IOMANIP
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#define _LIBCPP_IOMANIP
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/*
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iomanip synopsis
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namespace std {
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// types T1, T2, ... are unspecified implementation types
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T1 resetiosflags(ios_base::fmtflags mask);
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T2 setiosflags (ios_base::fmtflags mask);
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T3 setbase(int base);
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template<charT> T4 setfill(charT c);
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T5 setprecision(int n);
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T6 setw(int n);
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template <class moneyT> T7 get_money(moneyT& mon, bool intl = false);
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template <class charT, class moneyT> T8 put_money(const moneyT& mon, bool intl = false);
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template <class charT> T9 get_time(struct tm* tmb, const charT* fmt);
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template <class charT> T10 put_time(const struct tm* tmb, const charT* fmt);
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template <class charT>
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T11 quoted(const charT* s, charT delim=charT('"'), charT escape=charT('\\')); // C++14
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template <class charT, class traits, class Allocator>
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T12 quoted(const basic_string<charT, traits, Allocator>& s,
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charT delim=charT('"'), charT escape=charT('\\')); // C++14
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template <class charT, class traits, class Allocator>
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T13 quoted(basic_string<charT, traits, Allocator>& s,
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charT delim=charT('"'), charT escape=charT('\\')); // C++14
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} // std
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*/
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#include <__config>
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#include <__string>
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#include <istream>
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#include <version>
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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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// resetiosflags
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class __iom_t1
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{
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ios_base::fmtflags __mask_;
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public:
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_LIBCPP_INLINE_VISIBILITY
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explicit __iom_t1(ios_base::fmtflags __m) : __mask_(__m) {}
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template <class _CharT, class _Traits>
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friend
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_LIBCPP_INLINE_VISIBILITY
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basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t1& __x)
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{
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__is.unsetf(__x.__mask_);
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return __is;
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}
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template <class _CharT, class _Traits>
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friend
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_LIBCPP_INLINE_VISIBILITY
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t1& __x)
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{
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__os.unsetf(__x.__mask_);
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return __os;
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}
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};
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inline _LIBCPP_INLINE_VISIBILITY
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__iom_t1
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resetiosflags(ios_base::fmtflags __mask)
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{
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return __iom_t1(__mask);
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}
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// setiosflags
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class __iom_t2
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{
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ios_base::fmtflags __mask_;
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public:
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_LIBCPP_INLINE_VISIBILITY
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explicit __iom_t2(ios_base::fmtflags __m) : __mask_(__m) {}
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template <class _CharT, class _Traits>
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friend
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_LIBCPP_INLINE_VISIBILITY
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basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t2& __x)
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{
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__is.setf(__x.__mask_);
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return __is;
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}
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template <class _CharT, class _Traits>
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friend
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_LIBCPP_INLINE_VISIBILITY
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t2& __x)
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{
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__os.setf(__x.__mask_);
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return __os;
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}
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};
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inline _LIBCPP_INLINE_VISIBILITY
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__iom_t2
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setiosflags(ios_base::fmtflags __mask)
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{
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return __iom_t2(__mask);
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}
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// setbase
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class __iom_t3
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{
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int __base_;
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public:
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_LIBCPP_INLINE_VISIBILITY
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explicit __iom_t3(int __b) : __base_(__b) {}
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template <class _CharT, class _Traits>
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friend
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_LIBCPP_INLINE_VISIBILITY
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basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t3& __x)
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{
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__is.setf(__x.__base_ == 8 ? ios_base::oct :
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__x.__base_ == 10 ? ios_base::dec :
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__x.__base_ == 16 ? ios_base::hex :
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ios_base::fmtflags(0), ios_base::basefield);
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return __is;
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}
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template <class _CharT, class _Traits>
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friend
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_LIBCPP_INLINE_VISIBILITY
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t3& __x)
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{
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__os.setf(__x.__base_ == 8 ? ios_base::oct :
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__x.__base_ == 10 ? ios_base::dec :
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__x.__base_ == 16 ? ios_base::hex :
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ios_base::fmtflags(0), ios_base::basefield);
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return __os;
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}
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};
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inline _LIBCPP_INLINE_VISIBILITY
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__iom_t3
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setbase(int __base)
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{
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return __iom_t3(__base);
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}
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// setfill
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template<class _CharT>
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class __iom_t4
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{
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_CharT __fill_;
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public:
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_LIBCPP_INLINE_VISIBILITY
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explicit __iom_t4(_CharT __c) : __fill_(__c) {}
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template <class _Traits>
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friend
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_LIBCPP_INLINE_VISIBILITY
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t4& __x)
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{
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__os.fill(__x.__fill_);
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return __os;
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}
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};
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template<class _CharT>
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inline _LIBCPP_INLINE_VISIBILITY
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__iom_t4<_CharT>
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setfill(_CharT __c)
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{
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return __iom_t4<_CharT>(__c);
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}
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// setprecision
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class __iom_t5
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{
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int __n_;
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public:
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_LIBCPP_INLINE_VISIBILITY
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explicit __iom_t5(int __n) : __n_(__n) {}
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template <class _CharT, class _Traits>
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friend
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_LIBCPP_INLINE_VISIBILITY
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basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t5& __x)
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{
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__is.precision(__x.__n_);
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return __is;
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}
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template <class _CharT, class _Traits>
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friend
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_LIBCPP_INLINE_VISIBILITY
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t5& __x)
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{
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__os.precision(__x.__n_);
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return __os;
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}
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};
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inline _LIBCPP_INLINE_VISIBILITY
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__iom_t5
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setprecision(int __n)
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{
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return __iom_t5(__n);
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}
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// setw
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class __iom_t6
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{
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int __n_;
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public:
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_LIBCPP_INLINE_VISIBILITY
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explicit __iom_t6(int __n) : __n_(__n) {}
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template <class _CharT, class _Traits>
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friend
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_LIBCPP_INLINE_VISIBILITY
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basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t6& __x)
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{
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__is.width(__x.__n_);
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return __is;
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}
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template <class _CharT, class _Traits>
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friend
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_LIBCPP_INLINE_VISIBILITY
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t6& __x)
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{
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__os.width(__x.__n_);
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return __os;
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}
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};
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inline _LIBCPP_INLINE_VISIBILITY
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__iom_t6
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setw(int __n)
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{
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return __iom_t6(__n);
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}
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// get_money
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template <class _MoneyT> class __iom_t7;
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template <class _CharT, class _Traits, class _MoneyT>
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basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_MoneyT>& __x);
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template <class _MoneyT>
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class __iom_t7
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{
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_MoneyT& __mon_;
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bool __intl_;
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public:
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_LIBCPP_INLINE_VISIBILITY
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__iom_t7(_MoneyT& __mon, bool __intl)
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: __mon_(__mon), __intl_(__intl) {}
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template <class _CharT, class _Traits, class _Mp>
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friend
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basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_Mp>& __x);
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};
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template <class _CharT, class _Traits, class _MoneyT>
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basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_MoneyT>& __x)
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{
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#ifndef _LIBCPP_NO_EXCEPTIONS
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try
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{
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#endif // _LIBCPP_NO_EXCEPTIONS
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typename basic_istream<_CharT, _Traits>::sentry __s(__is);
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if (__s)
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{
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typedef istreambuf_iterator<_CharT, _Traits> _Ip;
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typedef money_get<_CharT, _Ip> _Fp;
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ios_base::iostate __err = ios_base::goodbit;
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const _Fp& __mf = use_facet<_Fp>(__is.getloc());
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__mf.get(_Ip(__is), _Ip(), __x.__intl_, __is, __err, __x.__mon_);
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__is.setstate(__err);
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}
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#ifndef _LIBCPP_NO_EXCEPTIONS
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}
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catch (...)
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{
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__is.__set_badbit_and_consider_rethrow();
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}
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#endif // _LIBCPP_NO_EXCEPTIONS
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return __is;
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}
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template <class _MoneyT>
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inline _LIBCPP_INLINE_VISIBILITY
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__iom_t7<_MoneyT>
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get_money(_MoneyT& __mon, bool __intl = false)
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{
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return __iom_t7<_MoneyT>(__mon, __intl);
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}
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// put_money
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template <class _MoneyT> class __iom_t8;
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template <class _CharT, class _Traits, class _MoneyT>
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_MoneyT>& __x);
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template <class _MoneyT>
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class __iom_t8
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{
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const _MoneyT& __mon_;
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bool __intl_;
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public:
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_LIBCPP_INLINE_VISIBILITY
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__iom_t8(const _MoneyT& __mon, bool __intl)
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: __mon_(__mon), __intl_(__intl) {}
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template <class _CharT, class _Traits, class _Mp>
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friend
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_Mp>& __x);
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};
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template <class _CharT, class _Traits, class _MoneyT>
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_MoneyT>& __x)
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{
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#ifndef _LIBCPP_NO_EXCEPTIONS
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try
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{
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#endif // _LIBCPP_NO_EXCEPTIONS
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typename basic_ostream<_CharT, _Traits>::sentry __s(__os);
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if (__s)
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{
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typedef ostreambuf_iterator<_CharT, _Traits> _Op;
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typedef money_put<_CharT, _Op> _Fp;
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const _Fp& __mf = use_facet<_Fp>(__os.getloc());
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if (__mf.put(_Op(__os), __x.__intl_, __os, __os.fill(), __x.__mon_).failed())
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__os.setstate(ios_base::badbit);
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}
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#ifndef _LIBCPP_NO_EXCEPTIONS
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}
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catch (...)
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{
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__os.__set_badbit_and_consider_rethrow();
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}
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#endif // _LIBCPP_NO_EXCEPTIONS
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return __os;
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}
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template <class _MoneyT>
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inline _LIBCPP_INLINE_VISIBILITY
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__iom_t8<_MoneyT>
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put_money(const _MoneyT& __mon, bool __intl = false)
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{
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return __iom_t8<_MoneyT>(__mon, __intl);
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}
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// get_time
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template <class _CharT> class __iom_t9;
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template <class _CharT, class _Traits>
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basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t9<_CharT>& __x);
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template <class _CharT>
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class __iom_t9
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{
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tm* __tm_;
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const _CharT* __fmt_;
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public:
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_LIBCPP_INLINE_VISIBILITY
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__iom_t9(tm* __tm, const _CharT* __fmt)
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: __tm_(__tm), __fmt_(__fmt) {}
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template <class _Cp, class _Traits>
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friend
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basic_istream<_Cp, _Traits>&
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operator>>(basic_istream<_Cp, _Traits>& __is, const __iom_t9<_Cp>& __x);
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};
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template <class _CharT, class _Traits>
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basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t9<_CharT>& __x)
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{
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#ifndef _LIBCPP_NO_EXCEPTIONS
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try
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{
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#endif // _LIBCPP_NO_EXCEPTIONS
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typename basic_istream<_CharT, _Traits>::sentry __s(__is);
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if (__s)
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{
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typedef istreambuf_iterator<_CharT, _Traits> _Ip;
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typedef time_get<_CharT, _Ip> _Fp;
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ios_base::iostate __err = ios_base::goodbit;
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const _Fp& __tf = use_facet<_Fp>(__is.getloc());
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__tf.get(_Ip(__is), _Ip(), __is, __err, __x.__tm_,
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__x.__fmt_, __x.__fmt_ + _Traits::length(__x.__fmt_));
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__is.setstate(__err);
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}
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#ifndef _LIBCPP_NO_EXCEPTIONS
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}
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catch (...)
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{
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__is.__set_badbit_and_consider_rethrow();
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}
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#endif // _LIBCPP_NO_EXCEPTIONS
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return __is;
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}
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template <class _CharT>
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inline _LIBCPP_INLINE_VISIBILITY
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__iom_t9<_CharT>
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get_time(tm* __tm, const _CharT* __fmt)
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{
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return __iom_t9<_CharT>(__tm, __fmt);
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}
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// put_time
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template <class _CharT> class __iom_t10;
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template <class _CharT, class _Traits>
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t10<_CharT>& __x);
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template <class _CharT>
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class __iom_t10
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{
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const tm* __tm_;
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const _CharT* __fmt_;
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public:
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_LIBCPP_INLINE_VISIBILITY
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__iom_t10(const tm* __tm, const _CharT* __fmt)
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: __tm_(__tm), __fmt_(__fmt) {}
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template <class _Cp, class _Traits>
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friend
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basic_ostream<_Cp, _Traits>&
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operator<<(basic_ostream<_Cp, _Traits>& __os, const __iom_t10<_Cp>& __x);
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};
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template <class _CharT, class _Traits>
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t10<_CharT>& __x)
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{
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#ifndef _LIBCPP_NO_EXCEPTIONS
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try
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{
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#endif // _LIBCPP_NO_EXCEPTIONS
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typename basic_ostream<_CharT, _Traits>::sentry __s(__os);
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if (__s)
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{
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typedef ostreambuf_iterator<_CharT, _Traits> _Op;
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typedef time_put<_CharT, _Op> _Fp;
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const _Fp& __tf = use_facet<_Fp>(__os.getloc());
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if (__tf.put(_Op(__os), __os, __os.fill(), __x.__tm_,
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__x.__fmt_, __x.__fmt_ + _Traits::length(__x.__fmt_)).failed())
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__os.setstate(ios_base::badbit);
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}
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#ifndef _LIBCPP_NO_EXCEPTIONS
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}
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catch (...)
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{
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__os.__set_badbit_and_consider_rethrow();
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}
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#endif // _LIBCPP_NO_EXCEPTIONS
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return __os;
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}
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template <class _CharT>
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inline _LIBCPP_INLINE_VISIBILITY
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__iom_t10<_CharT>
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put_time(const tm* __tm, const _CharT* __fmt)
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{
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return __iom_t10<_CharT>(__tm, __fmt);
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}
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template <class _CharT, class _Traits, class _ForwardIterator>
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basic_ostream<_CharT, _Traits> &
|
|
__quoted_output ( basic_ostream<_CharT, _Traits> &__os,
|
|
_ForwardIterator __first, _ForwardIterator __last, _CharT __delim, _CharT __escape )
|
|
{
|
|
_VSTD::basic_string<_CharT, _Traits> __str;
|
|
__str.push_back(__delim);
|
|
for ( ; __first != __last; ++ __first )
|
|
{
|
|
if (_Traits::eq (*__first, __escape) || _Traits::eq (*__first, __delim))
|
|
__str.push_back(__escape);
|
|
__str.push_back(*__first);
|
|
}
|
|
__str.push_back(__delim);
|
|
return _VSTD::__put_character_sequence(__os, __str.data(), __str.size());
|
|
}
|
|
|
|
template <class _CharT, class _Traits, class _String>
|
|
basic_istream<_CharT, _Traits> &
|
|
__quoted_input ( basic_istream<_CharT, _Traits> &__is, _String & __string, _CharT __delim, _CharT __escape )
|
|
{
|
|
__string.clear ();
|
|
_CharT __c;
|
|
__is >> __c;
|
|
if ( __is.fail ())
|
|
return __is;
|
|
|
|
if (!_Traits::eq (__c, __delim)) // no delimiter, read the whole string
|
|
{
|
|
__is.unget ();
|
|
__is >> __string;
|
|
return __is;
|
|
}
|
|
|
|
__save_flags<_CharT, _Traits> sf(__is);
|
|
noskipws (__is);
|
|
while (true)
|
|
{
|
|
__is >> __c;
|
|
if ( __is.fail ())
|
|
break;
|
|
if (_Traits::eq (__c, __escape))
|
|
{
|
|
__is >> __c;
|
|
if ( __is.fail ())
|
|
break;
|
|
}
|
|
else if (_Traits::eq (__c, __delim))
|
|
break;
|
|
__string.push_back ( __c );
|
|
}
|
|
return __is;
|
|
}
|
|
|
|
|
|
template <class _CharT, class _Traits, class _Iter>
|
|
basic_ostream<_CharT, _Traits>& operator<<(
|
|
basic_ostream<_CharT, _Traits>& __os,
|
|
const __quoted_output_proxy<_CharT, _Iter, _Traits> & __proxy)
|
|
{
|
|
return __quoted_output (__os, __proxy.__first, __proxy.__last, __proxy.__delim, __proxy.__escape);
|
|
}
|
|
|
|
template <class _CharT, class _Traits, class _Allocator>
|
|
struct __quoted_proxy
|
|
{
|
|
basic_string<_CharT, _Traits, _Allocator> &__string;
|
|
_CharT __delim;
|
|
_CharT __escape;
|
|
|
|
__quoted_proxy(basic_string<_CharT, _Traits, _Allocator> &__s, _CharT __d, _CharT __e)
|
|
: __string(__s), __delim(__d), __escape(__e) {}
|
|
};
|
|
|
|
template <class _CharT, class _Traits, class _Allocator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
basic_ostream<_CharT, _Traits>& operator<<(
|
|
basic_ostream<_CharT, _Traits>& __os,
|
|
const __quoted_proxy<_CharT, _Traits, _Allocator> & __proxy)
|
|
{
|
|
return __quoted_output (__os, __proxy.__string.cbegin (), __proxy.__string.cend (), __proxy.__delim, __proxy.__escape);
|
|
}
|
|
|
|
// extractor for non-const basic_string& proxies
|
|
template <class _CharT, class _Traits, class _Allocator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
basic_istream<_CharT, _Traits>& operator>>(
|
|
basic_istream<_CharT, _Traits>& __is,
|
|
const __quoted_proxy<_CharT, _Traits, _Allocator> & __proxy)
|
|
{
|
|
return __quoted_input ( __is, __proxy.__string, __proxy.__delim, __proxy.__escape );
|
|
}
|
|
|
|
|
|
template <class _CharT>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__quoted_output_proxy<_CharT, const _CharT *>
|
|
quoted ( const _CharT *__s, _CharT __delim = _CharT('"'), _CharT __escape =_CharT('\\'))
|
|
{
|
|
const _CharT *__end = __s;
|
|
while ( *__end ) ++__end;
|
|
return __quoted_output_proxy<_CharT, const _CharT *> ( __s, __end, __delim, __escape );
|
|
}
|
|
|
|
|
|
template <class _CharT, class _Traits, class _Allocator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__quoted_output_proxy<_CharT, typename basic_string <_CharT, _Traits, _Allocator>::const_iterator>
|
|
__quoted ( const basic_string <_CharT, _Traits, _Allocator> &__s, _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\'))
|
|
{
|
|
return __quoted_output_proxy<_CharT,
|
|
typename basic_string <_CharT, _Traits, _Allocator>::const_iterator>
|
|
( __s.cbegin(), __s.cend (), __delim, __escape );
|
|
}
|
|
|
|
template <class _CharT, class _Traits, class _Allocator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__quoted_proxy<_CharT, _Traits, _Allocator>
|
|
__quoted ( basic_string <_CharT, _Traits, _Allocator> &__s, _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\'))
|
|
{
|
|
return __quoted_proxy<_CharT, _Traits, _Allocator>( __s, __delim, __escape );
|
|
}
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
|
|
template <class _CharT, class _Traits, class _Allocator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__quoted_output_proxy<_CharT, typename basic_string <_CharT, _Traits, _Allocator>::const_iterator>
|
|
quoted ( const basic_string <_CharT, _Traits, _Allocator> &__s, _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\'))
|
|
{
|
|
return __quoted(__s, __delim, __escape);
|
|
}
|
|
|
|
template <class _CharT, class _Traits, class _Allocator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__quoted_proxy<_CharT, _Traits, _Allocator>
|
|
quoted ( basic_string <_CharT, _Traits, _Allocator> &__s, _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\'))
|
|
{
|
|
return __quoted(__s, __delim, __escape);
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
__quoted_output_proxy<_CharT, const _CharT *, _Traits>
|
|
quoted (basic_string_view <_CharT, _Traits> __sv,
|
|
_CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\'))
|
|
{
|
|
return __quoted_output_proxy<_CharT, const _CharT *, _Traits>
|
|
( __sv.data(), __sv.data() + __sv.size(), __delim, __escape );
|
|
}
|
|
#endif
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP_IOMANIP
|