mirror of
https://github.com/jart/cosmopolitan.git
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542 lines
17 KiB
C++
542 lines
17 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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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 <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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ios_base::fmtflags __mask_;
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public:
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_LIBCPP_HIDE_FROM_ABI explicit __iom_t1(ios_base::fmtflags __m) : __mask_(__m) {}
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template <class _CharT, class _Traits>
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friend _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t1& __x) {
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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 _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t1& __x) {
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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_HIDE_FROM_ABI __iom_t1 resetiosflags(ios_base::fmtflags __mask) { return __iom_t1(__mask); }
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// setiosflags
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class __iom_t2 {
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ios_base::fmtflags __mask_;
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public:
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_LIBCPP_HIDE_FROM_ABI explicit __iom_t2(ios_base::fmtflags __m) : __mask_(__m) {}
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template <class _CharT, class _Traits>
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friend _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t2& __x) {
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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 _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t2& __x) {
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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_HIDE_FROM_ABI __iom_t2 setiosflags(ios_base::fmtflags __mask) { return __iom_t2(__mask); }
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// setbase
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class __iom_t3 {
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int __base_;
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public:
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_LIBCPP_HIDE_FROM_ABI explicit __iom_t3(int __b) : __base_(__b) {}
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template <class _CharT, class _Traits>
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friend _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t3& __x) {
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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),
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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 _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t3& __x) {
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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),
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ios_base::basefield);
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return __os;
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}
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};
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inline _LIBCPP_HIDE_FROM_ABI __iom_t3 setbase(int __base) { return __iom_t3(__base); }
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// setfill
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template <class _CharT>
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class __iom_t4 {
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_CharT __fill_;
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public:
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_LIBCPP_HIDE_FROM_ABI explicit __iom_t4(_CharT __c) : __fill_(__c) {}
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template <class _Traits>
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friend _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t4& __x) {
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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_HIDE_FROM_ABI __iom_t4<_CharT> setfill(_CharT __c) {
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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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int __n_;
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public:
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_LIBCPP_HIDE_FROM_ABI explicit __iom_t5(int __n) : __n_(__n) {}
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template <class _CharT, class _Traits>
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friend _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t5& __x) {
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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 _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t5& __x) {
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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_HIDE_FROM_ABI __iom_t5 setprecision(int __n) { return __iom_t5(__n); }
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// setw
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class __iom_t6 {
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int __n_;
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public:
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_LIBCPP_HIDE_FROM_ABI explicit __iom_t6(int __n) : __n_(__n) {}
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template <class _CharT, class _Traits>
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friend _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t6& __x) {
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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 _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t6& __x) {
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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_HIDE_FROM_ABI __iom_t6 setw(int __n) { return __iom_t6(__n); }
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// get_money
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template <class _MoneyT>
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class __iom_t7;
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template <class _CharT, class _Traits, class _MoneyT>
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_LIBCPP_HIDE_FROM_ABI 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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_MoneyT& __mon_;
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bool __intl_;
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public:
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_LIBCPP_HIDE_FROM_ABI __iom_t7(_MoneyT& __mon, bool __intl) : __mon_(__mon), __intl_(__intl) {}
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template <class _CharT, class _Traits, class _Mp>
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friend basic_istream<_CharT, _Traits>& 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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_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_MoneyT>& __x) {
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#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
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try {
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#endif // _LIBCPP_HAS_NO_EXCEPTIONS
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typename basic_istream<_CharT, _Traits>::sentry __s(__is);
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if (__s) {
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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 = std::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_HAS_NO_EXCEPTIONS
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} catch (...) {
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__is.__set_badbit_and_consider_rethrow();
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}
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#endif // _LIBCPP_HAS_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_HIDE_FROM_ABI __iom_t7<_MoneyT> get_money(_MoneyT& __mon, bool __intl = false) {
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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>
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class __iom_t8;
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template <class _CharT, class _Traits, class _MoneyT>
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_LIBCPP_HIDE_FROM_ABI 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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const _MoneyT& __mon_;
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bool __intl_;
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public:
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_LIBCPP_HIDE_FROM_ABI __iom_t8(const _MoneyT& __mon, bool __intl) : __mon_(__mon), __intl_(__intl) {}
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template <class _CharT, class _Traits, class _Mp>
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friend basic_ostream<_CharT, _Traits>& 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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_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_MoneyT>& __x) {
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#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
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try {
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#endif // _LIBCPP_HAS_NO_EXCEPTIONS
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typename basic_ostream<_CharT, _Traits>::sentry __s(__os);
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if (__s) {
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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 = std::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_HAS_NO_EXCEPTIONS
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} catch (...) {
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__os.__set_badbit_and_consider_rethrow();
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}
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#endif // _LIBCPP_HAS_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_HIDE_FROM_ABI __iom_t8<_MoneyT> put_money(const _MoneyT& __mon, bool __intl = false) {
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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>
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class __iom_t9;
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template <class _CharT, class _Traits>
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_LIBCPP_HIDE_FROM_ABI 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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tm* __tm_;
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const _CharT* __fmt_;
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public:
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_LIBCPP_HIDE_FROM_ABI __iom_t9(tm* __tm, const _CharT* __fmt) : __tm_(__tm), __fmt_(__fmt) {}
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template <class _Cp, class _Traits>
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friend basic_istream<_Cp, _Traits>& 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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_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t9<_CharT>& __x) {
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#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
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try {
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#endif // _LIBCPP_HAS_NO_EXCEPTIONS
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typename basic_istream<_CharT, _Traits>::sentry __s(__is);
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if (__s) {
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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 = std::use_facet<_Fp>(__is.getloc());
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__tf.get(_Ip(__is), _Ip(), __is, __err, __x.__tm_, __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_HAS_NO_EXCEPTIONS
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} catch (...) {
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__is.__set_badbit_and_consider_rethrow();
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}
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#endif // _LIBCPP_HAS_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_HIDE_FROM_ABI __iom_t9<_CharT> get_time(tm* __tm, const _CharT* __fmt) {
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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>
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class __iom_t10;
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template <class _CharT, class _Traits>
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_LIBCPP_HIDE_FROM_ABI 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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const tm* __tm_;
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const _CharT* __fmt_;
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public:
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_LIBCPP_HIDE_FROM_ABI __iom_t10(const tm* __tm, const _CharT* __fmt) : __tm_(__tm), __fmt_(__fmt) {}
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template <class _Cp, class _Traits>
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friend basic_ostream<_Cp, _Traits>& 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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_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t10<_CharT>& __x) {
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#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
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try {
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#endif // _LIBCPP_HAS_NO_EXCEPTIONS
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typename basic_ostream<_CharT, _Traits>::sentry __s(__os);
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if (__s) {
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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 = std::use_facet<_Fp>(__os.getloc());
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if (__tf.put(_Op(__os), __os, __os.fill(), __x.__tm_, __x.__fmt_, __x.__fmt_ + _Traits::length(__x.__fmt_))
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.failed())
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__os.setstate(ios_base::badbit);
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}
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#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
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} catch (...) {
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__os.__set_badbit_and_consider_rethrow();
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}
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#endif // _LIBCPP_HAS_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_HIDE_FROM_ABI __iom_t10<_CharT> put_time(const tm* __tm, const _CharT* __fmt) {
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return __iom_t10<_CharT>(__tm, __fmt);
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}
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template <class _CharT, class _Traits>
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_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& __quoted_output(
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basic_ostream<_CharT, _Traits>& __os,
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const _CharT* __first,
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const _CharT* __last,
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_CharT __delim,
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_CharT __escape) {
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basic_string<_CharT, _Traits> __str;
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__str.push_back(__delim);
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for (; __first != __last; ++__first) {
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if (_Traits::eq(*__first, __escape) || _Traits::eq(*__first, __delim))
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__str.push_back(__escape);
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__str.push_back(*__first);
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}
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__str.push_back(__delim);
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return std::__put_character_sequence(__os, __str.data(), __str.size());
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}
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template <class _CharT, class _Traits, class _String>
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_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
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__quoted_input(basic_istream<_CharT, _Traits>& __is, _String& __string, _CharT __delim, _CharT __escape) {
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__string.clear();
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_CharT __c;
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__is >> __c;
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if (__is.fail())
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return __is;
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if (!_Traits::eq(__c, __delim)) {
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// no delimiter, read the whole string
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__is.unget();
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__is >> __string;
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return __is;
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}
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__save_flags<_CharT, _Traits> __sf(__is);
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std::noskipws(__is);
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while (true) {
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__is >> __c;
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if (__is.fail())
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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>
|
|
struct _LIBCPP_HIDDEN __quoted_output_proxy {
|
|
const _CharT* __first_;
|
|
const _CharT* __last_;
|
|
_CharT __delim_;
|
|
_CharT __escape_;
|
|
|
|
_LIBCPP_HIDE_FROM_ABI explicit __quoted_output_proxy(const _CharT* __f, const _CharT* __l, _CharT __d, _CharT __e)
|
|
: __first_(__f), __last_(__l), __delim_(__d), __escape_(__e) {}
|
|
|
|
template <class _T2, __enable_if_t<_IsSame<_Traits, void>::value || _IsSame<_Traits, _T2>::value, int> = 0>
|
|
friend _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _T2>&
|
|
operator<<(basic_ostream<_CharT, _T2>& __os, const __quoted_output_proxy& __p) {
|
|
return std::__quoted_output(__os, __p.__first_, __p.__last_, __p.__delim_, __p.__escape_);
|
|
}
|
|
};
|
|
|
|
template <class _CharT, class _Traits, class _Allocator>
|
|
struct _LIBCPP_HIDDEN __quoted_proxy {
|
|
basic_string<_CharT, _Traits, _Allocator>& __string_;
|
|
_CharT __delim_;
|
|
_CharT __escape_;
|
|
|
|
_LIBCPP_HIDE_FROM_ABI explicit __quoted_proxy(basic_string<_CharT, _Traits, _Allocator>& __s, _CharT __d, _CharT __e)
|
|
: __string_(__s), __delim_(__d), __escape_(__e) {}
|
|
|
|
friend _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
|
|
operator<<(basic_ostream<_CharT, _Traits>& __os, const __quoted_proxy& __p) {
|
|
return std::__quoted_output(
|
|
__os, __p.__string_.data(), __p.__string_.data() + __p.__string_.size(), __p.__delim_, __p.__escape_);
|
|
}
|
|
|
|
friend _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
|
|
operator>>(basic_istream<_CharT, _Traits>& __is, const __quoted_proxy& __p) {
|
|
return std::__quoted_input(__is, __p.__string_, __p.__delim_, __p.__escape_);
|
|
}
|
|
};
|
|
|
|
template <class _CharT, class _Traits, class _Allocator>
|
|
_LIBCPP_HIDE_FROM_ABI __quoted_output_proxy<_CharT, _Traits>
|
|
__quoted(const basic_string<_CharT, _Traits, _Allocator>& __s,
|
|
_CharT __delim = _CharT('"'),
|
|
_CharT __escape = _CharT('\\')) {
|
|
return __quoted_output_proxy<_CharT, _Traits>(__s.data(), __s.data() + __s.size(), __delim, __escape);
|
|
}
|
|
|
|
template <class _CharT, class _Traits, class _Allocator>
|
|
_LIBCPP_HIDE_FROM_ABI __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 >= 14
|
|
|
|
template <class _CharT>
|
|
_LIBCPP_HIDE_FROM_ABI auto quoted(const _CharT* __s, _CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\')) {
|
|
const _CharT* __end = __s;
|
|
while (*__end)
|
|
++__end;
|
|
return __quoted_output_proxy<_CharT, void>(__s, __end, __delim, __escape);
|
|
}
|
|
|
|
template <class _CharT, class _Traits, class _Allocator>
|
|
_LIBCPP_HIDE_FROM_ABI auto
|
|
quoted(const basic_string<_CharT, _Traits, _Allocator>& __s,
|
|
_CharT __delim = _CharT('"'),
|
|
_CharT __escape = _CharT('\\')) {
|
|
return __quoted_output_proxy<_CharT, _Traits>(__s.data(), __s.data() + __s.size(), __delim, __escape);
|
|
}
|
|
|
|
template <class _CharT, class _Traits, class _Allocator>
|
|
_LIBCPP_HIDE_FROM_ABI auto
|
|
quoted(basic_string<_CharT, _Traits, _Allocator>& __s, _CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\')) {
|
|
return __quoted_proxy<_CharT, _Traits, _Allocator>(__s, __delim, __escape);
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
_LIBCPP_HIDE_FROM_ABI auto
|
|
quoted(basic_string_view<_CharT, _Traits> __sv, _CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\')) {
|
|
return __quoted_output_proxy<_CharT, _Traits>(__sv.data(), __sv.data() + __sv.size(), __delim, __escape);
|
|
}
|
|
|
|
#endif // _LIBCPP_STD_VER >= 14
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP_IOMANIP
|