// -*- C++ -*-

//===----------------------------------------------------------------------===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

#ifndef _LIBCPP_IOMANIP

#define _LIBCPP_IOMANIP

/*

    iomanip synopsis

namespace std {

// types T1, T2, ... are unspecified implementation types

T1 resetiosflags(ios_base::fmtflags mask);

T2 setiosflags (ios_base::fmtflags mask);

T3 setbase(int base);

template<charT> T4 setfill(charT c);

T5 setprecision(int n);

T6 setw(int n);

template <class moneyT> T7 get_money(moneyT& mon, bool intl = false);

template <class charT, class moneyT> T8 put_money(const moneyT& mon, bool intl = false);

template <class charT> T9 get_time(struct tm* tmb, const charT* fmt);

template <class charT> T10 put_time(const struct tm* tmb, const charT* fmt);

template <class charT>

  T11 quoted(const charT* s, charT delim=charT('"'), charT escape=charT('\\')); // C++14

template <class charT, class traits, class Allocator>

  T12 quoted(const basic_string<charT, traits, Allocator>& s,

             charT delim=charT('"'), charT escape=charT('\\')); // C++14

template <class charT, class traits, class Allocator>

  T13 quoted(basic_string<charT, traits, Allocator>& s,

             charT delim=charT('"'), charT escape=charT('\\')); // C++14

}  // std

*/

#include <__assert> // all public C++ headers provide the assertion handler

#include <__config>

#include <istream>

#include <version>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)

#  pragma GCC system_header

#endif

_LIBCPP_BEGIN_NAMESPACE_STD

// resetiosflags

class __iom_t1 {

  ios_base::fmtflags __mask_;

public:

  _LIBCPP_HIDE_FROM_ABI explicit __iom_t1(ios_base::fmtflags __m) : __mask_(__m) {}

  template <class _CharT, class _Traits>

  friend _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&

  operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t1& __x) {

    __is.unsetf(__x.__mask_);

    return __is;

  }

  template <class _CharT, class _Traits>

  friend _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&

  operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t1& __x) {

    __os.unsetf(__x.__mask_);

    return __os;

  }

};

inline _LIBCPP_HIDE_FROM_ABI __iom_t1 resetiosflags(ios_base::fmtflags __mask) { return __iom_t1(__mask); }

// setiosflags

class __iom_t2 {

  ios_base::fmtflags __mask_;

public:

  _LIBCPP_HIDE_FROM_ABI explicit __iom_t2(ios_base::fmtflags __m) : __mask_(__m) {}

  template <class _CharT, class _Traits>

  friend _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&

  operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t2& __x) {

    __is.setf(__x.__mask_);

    return __is;

  }

  template <class _CharT, class _Traits>

  friend _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&

  operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t2& __x) {

    __os.setf(__x.__mask_);

    return __os;

  }

};

inline _LIBCPP_HIDE_FROM_ABI __iom_t2 setiosflags(ios_base::fmtflags __mask) { return __iom_t2(__mask); }

// setbase

class __iom_t3 {

  int __base_;

public:

  _LIBCPP_HIDE_FROM_ABI explicit __iom_t3(int __b) : __base_(__b) {}

  template <class _CharT, class _Traits>

  friend _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&

  operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t3& __x) {

    __is.setf(__x.__base_ == 8    ? ios_base::oct

              : __x.__base_ == 10 ? ios_base::dec

              : __x.__base_ == 16 ? ios_base::hex

                                  : ios_base::fmtflags(0),

              ios_base::basefield);

    return __is;

  }

  template <class _CharT, class _Traits>

  friend _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&

  operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t3& __x) {

    __os.setf(__x.__base_ == 8    ? ios_base::oct

              : __x.__base_ == 10 ? ios_base::dec

              : __x.__base_ == 16 ? ios_base::hex

                                  : ios_base::fmtflags(0),

              ios_base::basefield);

    return __os;

  }

};

inline _LIBCPP_HIDE_FROM_ABI __iom_t3 setbase(int __base) { return __iom_t3(__base); }

// setfill

template <class _CharT>

class __iom_t4 {

  _CharT __fill_;

public:

  _LIBCPP_HIDE_FROM_ABI explicit __iom_t4(_CharT __c) : __fill_(__c) {}

  template <class _Traits>

  friend _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&

  operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t4& __x) {

    __os.fill(__x.__fill_);

    return __os;

  }

};

template <class _CharT>

inline _LIBCPP_HIDE_FROM_ABI __iom_t4<_CharT> setfill(_CharT __c) {

  return __iom_t4<_CharT>(__c);

}

// setprecision

class __iom_t5 {

  int __n_;

public:

  _LIBCPP_HIDE_FROM_ABI explicit __iom_t5(int __n) : __n_(__n) {}

  template <class _CharT, class _Traits>

  friend _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&

  operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t5& __x) {

    __is.precision(__x.__n_);

    return __is;

  }

  template <class _CharT, class _Traits>

  friend _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&

  operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t5& __x) {

    __os.precision(__x.__n_);

    return __os;

  }

};

inline _LIBCPP_HIDE_FROM_ABI __iom_t5 setprecision(int __n) { return __iom_t5(__n); }

// setw

class __iom_t6 {

  int __n_;

public:

  _LIBCPP_HIDE_FROM_ABI explicit __iom_t6(int __n) : __n_(__n) {}

  template <class _CharT, class _Traits>

  friend _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&

  operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t6& __x) {

    __is.width(__x.__n_);

    return __is;

  }

  template <class _CharT, class _Traits>

  friend _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&

  operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t6& __x) {

    __os.width(__x.__n_);

    return __os;

  }

};

inline _LIBCPP_HIDE_FROM_ABI __iom_t6 setw(int __n) { return __iom_t6(__n); }

// get_money

template <class _MoneyT>

class __iom_t7;

template <class _CharT, class _Traits, class _MoneyT>

_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&

operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_MoneyT>& __x);

template <class _MoneyT>

class __iom_t7 {

  _MoneyT& __mon_;

  bool __intl_;

public:

  _LIBCPP_HIDE_FROM_ABI __iom_t7(_MoneyT& __mon, bool __intl) : __mon_(__mon), __intl_(__intl) {}

  template <class _CharT, class _Traits, class _Mp>

  friend basic_istream<_CharT, _Traits>& operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_Mp>& __x);

};

template <class _CharT, class _Traits, class _MoneyT>

_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&

operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_MoneyT>& __x) {

#ifndef _LIBCPP_HAS_NO_EXCEPTIONS

  try {

#endif // _LIBCPP_HAS_NO_EXCEPTIONS

    typename basic_istream<_CharT, _Traits>::sentry __s(__is);

    if (__s) {

      typedef istreambuf_iterator<_CharT, _Traits> _Ip;

      typedef money_get<_CharT, _Ip> _Fp;

      ios_base::iostate __err = ios_base::goodbit;

      const _Fp& __mf         = std::use_facet<_Fp>(__is.getloc());

      __mf.get(_Ip(__is), _Ip(), __x.__intl_, __is, __err, __x.__mon_);

      __is.setstate(__err);

    }

#ifndef _LIBCPP_HAS_NO_EXCEPTIONS

  } catch (...) {

    __is.__set_badbit_and_consider_rethrow();

  }

#endif // _LIBCPP_HAS_NO_EXCEPTIONS

  return __is;

}

template <class _MoneyT>

inline _LIBCPP_HIDE_FROM_ABI __iom_t7<_MoneyT> get_money(_MoneyT& __mon, bool __intl = false) {

  return __iom_t7<_MoneyT>(__mon, __intl);

}

// put_money

template <class _MoneyT>

class __iom_t8;

template <class _CharT, class _Traits, class _MoneyT>

_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&

operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_MoneyT>& __x);

template <class _MoneyT>

class __iom_t8 {

  const _MoneyT& __mon_;

  bool __intl_;

public:

  _LIBCPP_HIDE_FROM_ABI __iom_t8(const _MoneyT& __mon, bool __intl) : __mon_(__mon), __intl_(__intl) {}

  template <class _CharT, class _Traits, class _Mp>

  friend basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_Mp>& __x);

};

template <class _CharT, class _Traits, class _MoneyT>

_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&

operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_MoneyT>& __x) {

#ifndef _LIBCPP_HAS_NO_EXCEPTIONS

  try {

#endif // _LIBCPP_HAS_NO_EXCEPTIONS

    typename basic_ostream<_CharT, _Traits>::sentry __s(__os);

    if (__s) {

      typedef ostreambuf_iterator<_CharT, _Traits> _Op;

      typedef money_put<_CharT, _Op> _Fp;

      const _Fp& __mf = std::use_facet<_Fp>(__os.getloc());

      if (__mf.put(_Op(__os), __x.__intl_, __os, __os.fill(), __x.__mon_).failed())

        __os.setstate(ios_base::badbit);

    }

#ifndef _LIBCPP_HAS_NO_EXCEPTIONS

  } catch (...) {

    __os.__set_badbit_and_consider_rethrow();

  }

#endif // _LIBCPP_HAS_NO_EXCEPTIONS

  return __os;

}

template <class _MoneyT>

inline _LIBCPP_HIDE_FROM_ABI __iom_t8<_MoneyT> put_money(const _MoneyT& __mon, bool __intl = false) {

  return __iom_t8<_MoneyT>(__mon, __intl);

}

// get_time

template <class _CharT>

class __iom_t9;

template <class _CharT, class _Traits>

_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&

operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t9<_CharT>& __x);

template <class _CharT>

class __iom_t9 {

  tm* __tm_;

  const _CharT* __fmt_;

public:

  _LIBCPP_HIDE_FROM_ABI __iom_t9(tm* __tm, const _CharT* __fmt) : __tm_(__tm), __fmt_(__fmt) {}

  template <class _Cp, class _Traits>

  friend basic_istream<_Cp, _Traits>& operator>>(basic_istream<_Cp, _Traits>& __is, const __iom_t9<_Cp>& __x);

};

template <class _CharT, class _Traits>

_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&

operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t9<_CharT>& __x) {

#ifndef _LIBCPP_HAS_NO_EXCEPTIONS

  try {

#endif // _LIBCPP_HAS_NO_EXCEPTIONS

    typename basic_istream<_CharT, _Traits>::sentry __s(__is);

    if (__s) {

      typedef istreambuf_iterator<_CharT, _Traits> _Ip;

      typedef time_get<_CharT, _Ip> _Fp;

      ios_base::iostate __err = ios_base::goodbit;

      const _Fp& __tf         = std::use_facet<_Fp>(__is.getloc());

      __tf.get(_Ip(__is), _Ip(), __is, __err, __x.__tm_, __x.__fmt_, __x.__fmt_ + _Traits::length(__x.__fmt_));

      __is.setstate(__err);

    }

#ifndef _LIBCPP_HAS_NO_EXCEPTIONS

  } catch (...) {

    __is.__set_badbit_and_consider_rethrow();

  }

#endif // _LIBCPP_HAS_NO_EXCEPTIONS

  return __is;

}

template <class _CharT>

inline _LIBCPP_HIDE_FROM_ABI __iom_t9<_CharT> get_time(tm* __tm, const _CharT* __fmt) {

  return __iom_t9<_CharT>(__tm, __fmt);

}

// put_time

template <class _CharT>

class __iom_t10;

template <class _CharT, class _Traits>

_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&

operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t10<_CharT>& __x);

template <class _CharT>

class __iom_t10 {

  const tm* __tm_;

  const _CharT* __fmt_;

public:

  _LIBCPP_HIDE_FROM_ABI __iom_t10(const tm* __tm, const _CharT* __fmt) : __tm_(__tm), __fmt_(__fmt) {}

  template <class _Cp, class _Traits>

  friend basic_ostream<_Cp, _Traits>& operator<<(basic_ostream<_Cp, _Traits>& __os, const __iom_t10<_Cp>& __x);

};

template <class _CharT, class _Traits>

_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&

operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t10<_CharT>& __x) {

#ifndef _LIBCPP_HAS_NO_EXCEPTIONS

  try {

#endif // _LIBCPP_HAS_NO_EXCEPTIONS

    typename basic_ostream<_CharT, _Traits>::sentry __s(__os);

    if (__s) {

      typedef ostreambuf_iterator<_CharT, _Traits> _Op;

      typedef time_put<_CharT, _Op> _Fp;

      const _Fp& __tf = std::use_facet<_Fp>(__os.getloc());

      if (__tf.put(_Op(__os), __os, __os.fill(), __x.__tm_, __x.__fmt_, __x.__fmt_ + _Traits::length(__x.__fmt_))

              .failed())

        __os.setstate(ios_base::badbit);

    }

#ifndef _LIBCPP_HAS_NO_EXCEPTIONS

  } catch (...) {

    __os.__set_badbit_and_consider_rethrow();

  }

#endif // _LIBCPP_HAS_NO_EXCEPTIONS

  return __os;

}

template <class _CharT>

inline _LIBCPP_HIDE_FROM_ABI __iom_t10<_CharT> put_time(const tm* __tm, const _CharT* __fmt) {

  return __iom_t10<_CharT>(__tm, __fmt);

}

template <class _CharT, class _Traits>

_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& __quoted_output(

    basic_ostream<_CharT, _Traits>& __os,

    const _CharT* __first,

    const _CharT* __last,

    _CharT __delim,

    _CharT __escape) {

  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 std::__put_character_sequence(__os, __str.data(), __str.size());

}

template <class _CharT, class _Traits, class _String>

_LIBCPP_HIDE_FROM_ABI 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);

  std::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>

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>* = nullptr>

  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