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Diffstat (limited to 'gcc-4.9/libstdc++-v3/include/std/iomanip')
| -rw-r--r-- | gcc-4.9/libstdc++-v3/include/std/iomanip | 531 |
1 files changed, 531 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/include/std/iomanip b/gcc-4.9/libstdc++-v3/include/std/iomanip new file mode 100644 index 0000000..b2c7b95 --- /dev/null +++ b/gcc-4.9/libstdc++-v3/include/std/iomanip @@ -0,0 +1,531 @@ +// Standard stream manipulators -*- C++ -*- + +// Copyright (C) 1997-2014 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// <http://www.gnu.org/licenses/>. + +/** @file include/iomanip + * This is a Standard C++ Library header. + */ + +// +// ISO C++ 14882: 27.6.3 Standard manipulators +// + +#ifndef _GLIBCXX_IOMANIP +#define _GLIBCXX_IOMANIP 1 + +#pragma GCC system_header + +#include <bits/c++config.h> +#include <iosfwd> +#include <bits/ios_base.h> + +#if __cplusplus >= 201103L +#include <locale> +#endif + +namespace std _GLIBCXX_VISIBILITY(default) +{ +_GLIBCXX_BEGIN_NAMESPACE_VERSION + + // [27.6.3] standard manipulators + // Also see DR 183. + + struct _Resetiosflags { ios_base::fmtflags _M_mask; }; + + /** + * @brief Manipulator for @c setf. + * @param __mask A format flags mask. + * + * Sent to a stream object, this manipulator resets the specified flags, + * via @e stream.setf(0,__mask). + */ + inline _Resetiosflags + resetiosflags(ios_base::fmtflags __mask) + { return { __mask }; } + + template<typename _CharT, typename _Traits> + inline basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f) + { + __is.setf(ios_base::fmtflags(0), __f._M_mask); + return __is; + } + + template<typename _CharT, typename _Traits> + inline basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, _Resetiosflags __f) + { + __os.setf(ios_base::fmtflags(0), __f._M_mask); + return __os; + } + + + struct _Setiosflags { ios_base::fmtflags _M_mask; }; + + /** + * @brief Manipulator for @c setf. + * @param __mask A format flags mask. + * + * Sent to a stream object, this manipulator sets the format flags + * to @a __mask. + */ + inline _Setiosflags + setiosflags(ios_base::fmtflags __mask) + { return { __mask }; } + + template<typename _CharT, typename _Traits> + inline basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f) + { + __is.setf(__f._M_mask); + return __is; + } + + template<typename _CharT, typename _Traits> + inline basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, _Setiosflags __f) + { + __os.setf(__f._M_mask); + return __os; + } + + + struct _Setbase { int _M_base; }; + + /** + * @brief Manipulator for @c setf. + * @param __base A numeric base. + * + * Sent to a stream object, this manipulator changes the + * @c ios_base::basefield flags to @c oct, @c dec, or @c hex when @a base + * is 8, 10, or 16, accordingly, and to 0 if @a __base is any other value. + */ + inline _Setbase + setbase(int __base) + { return { __base }; } + + template<typename _CharT, typename _Traits> + inline basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f) + { + __is.setf(__f._M_base == 8 ? ios_base::oct : + __f._M_base == 10 ? ios_base::dec : + __f._M_base == 16 ? ios_base::hex : + ios_base::fmtflags(0), ios_base::basefield); + return __is; + } + + template<typename _CharT, typename _Traits> + inline basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, _Setbase __f) + { + __os.setf(__f._M_base == 8 ? ios_base::oct : + __f._M_base == 10 ? ios_base::dec : + __f._M_base == 16 ? ios_base::hex : + ios_base::fmtflags(0), ios_base::basefield); + return __os; + } + + + template<typename _CharT> + struct _Setfill { _CharT _M_c; }; + + /** + * @brief Manipulator for @c fill. + * @param __c The new fill character. + * + * Sent to a stream object, this manipulator calls @c fill(__c) for that + * object. + */ + template<typename _CharT> + inline _Setfill<_CharT> + setfill(_CharT __c) + { return { __c }; } + + template<typename _CharT, typename _Traits> + inline basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f) + { + __is.fill(__f._M_c); + return __is; + } + + template<typename _CharT, typename _Traits> + inline basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, _Setfill<_CharT> __f) + { + __os.fill(__f._M_c); + return __os; + } + + + struct _Setprecision { int _M_n; }; + + /** + * @brief Manipulator for @c precision. + * @param __n The new precision. + * + * Sent to a stream object, this manipulator calls @c precision(__n) for + * that object. + */ + inline _Setprecision + setprecision(int __n) + { return { __n }; } + + template<typename _CharT, typename _Traits> + inline basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f) + { + __is.precision(__f._M_n); + return __is; + } + + template<typename _CharT, typename _Traits> + inline basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, _Setprecision __f) + { + __os.precision(__f._M_n); + return __os; + } + + + struct _Setw { int _M_n; }; + + /** + * @brief Manipulator for @c width. + * @param __n The new width. + * + * Sent to a stream object, this manipulator calls @c width(__n) for + * that object. + */ + inline _Setw + setw(int __n) + { return { __n }; } + + template<typename _CharT, typename _Traits> + inline basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, _Setw __f) + { + __is.width(__f._M_n); + return __is; + } + + template<typename _CharT, typename _Traits> + inline basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, _Setw __f) + { + __os.width(__f._M_n); + return __os; + } + +#if __cplusplus >= 201103L + + template<typename _MoneyT> + struct _Get_money { _MoneyT& _M_mon; bool _M_intl; }; + + /** + * @brief Extended manipulator for extracting money. + * @param __mon Either long double or a specialization of @c basic_string. + * @param __intl A bool indicating whether international format + * is to be used. + * + * Sent to a stream object, this manipulator extracts @a __mon. + */ + template<typename _MoneyT> + inline _Get_money<_MoneyT> + get_money(_MoneyT& __mon, bool __intl = false) + { return { __mon, __intl }; } + + template<typename _CharT, typename _Traits, typename _MoneyT> + basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, _Get_money<_MoneyT> __f) + { + typename basic_istream<_CharT, _Traits>::sentry __cerb(__is, false); + if (__cerb) + { + ios_base::iostate __err = ios_base::goodbit; + __try + { + typedef istreambuf_iterator<_CharT, _Traits> _Iter; + typedef money_get<_CharT, _Iter> _MoneyGet; + + const _MoneyGet& __mg = use_facet<_MoneyGet>(__is.getloc()); + __mg.get(_Iter(__is.rdbuf()), _Iter(), __f._M_intl, + __is, __err, __f._M_mon); + } + __catch(__cxxabiv1::__forced_unwind&) + { + __is._M_setstate(ios_base::badbit); + __throw_exception_again; + } + __catch(...) + { __is._M_setstate(ios_base::badbit); } + if (__err) + __is.setstate(__err); + } + return __is; + } + + + template<typename _MoneyT> + struct _Put_money { const _MoneyT& _M_mon; bool _M_intl; }; + + /** + * @brief Extended manipulator for inserting money. + * @param __mon Either long double or a specialization of @c basic_string. + * @param __intl A bool indicating whether international format + * is to be used. + * + * Sent to a stream object, this manipulator inserts @a __mon. + */ + template<typename _MoneyT> + inline _Put_money<_MoneyT> + put_money(const _MoneyT& __mon, bool __intl = false) + { return { __mon, __intl }; } + + template<typename _CharT, typename _Traits, typename _MoneyT> + basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, _Put_money<_MoneyT> __f) + { + typename basic_ostream<_CharT, _Traits>::sentry __cerb(__os); + if (__cerb) + { + ios_base::iostate __err = ios_base::goodbit; + __try + { + typedef ostreambuf_iterator<_CharT, _Traits> _Iter; + typedef money_put<_CharT, _Iter> _MoneyPut; + + const _MoneyPut& __mp = use_facet<_MoneyPut>(__os.getloc()); + if (__mp.put(_Iter(__os.rdbuf()), __f._M_intl, __os, + __os.fill(), __f._M_mon).failed()) + __err |= ios_base::badbit; + } + __catch(__cxxabiv1::__forced_unwind&) + { + __os._M_setstate(ios_base::badbit); + __throw_exception_again; + } + __catch(...) + { __os._M_setstate(ios_base::badbit); } + if (__err) + __os.setstate(__err); + } + return __os; + } + +#if __cplusplus > 201103L + +_GLIBCXX_END_NAMESPACE_VERSION + namespace __detail { + _GLIBCXX_BEGIN_NAMESPACE_VERSION + + /** + * @brief Struct for delimited strings. + * The left and right delimiters can be different. + */ + template<typename _String, typename _CharT> + struct _Quoted_string + { + static_assert(is_reference<_String>::value + || is_pointer<_String>::value, + "String type must be pointer or reference"); + + _Quoted_string(_String __str, _CharT __del, _CharT __esc) + : _M_string(__str), _M_delim{__del}, _M_escape{__esc} + { } + + _Quoted_string& + operator=(_Quoted_string&) = delete; + + _String _M_string; + _CharT _M_delim; + _CharT _M_escape; + }; + + /** + * @brief Inserter for delimited strings. + * The left and right delimiters can be different. + */ + template<typename _CharT, typename _Traits> + auto& + operator<<(std::basic_ostream<_CharT, _Traits>& __os, + const _Quoted_string<const _CharT*, _CharT>& __str) + { + __os << __str._M_delim; + for (const _CharT* __c = __str._M_string; *__c; ++__c) + { + if (*__c == __str._M_delim || *__c == __str._M_escape) + __os << __str._M_escape; + __os << *__c; + } + __os << __str._M_delim; + + return __os; + } + + /** + * @brief Inserter for delimited strings. + * The left and right delimiters can be different. + */ + template<typename _CharT, typename _Traits, typename _String> + auto& + operator<<(std::basic_ostream<_CharT, _Traits>& __os, + const _Quoted_string<_String, _CharT>& __str) + { + __os << __str._M_delim; + for (auto& __c : __str._M_string) + { + if (__c == __str._M_delim || __c == __str._M_escape) + __os << __str._M_escape; + __os << __c; + } + __os << __str._M_delim; + + return __os; + } + + /** + * @brief Extractor for delimited strings. + * The left and right delimiters can be different. + */ + template<typename _CharT, typename _Traits, typename _Alloc> + auto& + operator>>(std::basic_istream<_CharT, _Traits>& __is, + const _Quoted_string<basic_string<_CharT, _Traits, _Alloc>&, + _CharT>& __str) + { + __str._M_string.clear(); + + _CharT __c; + __is >> __c; + if (!__is.good()) + return __is; + if (__c != __str._M_delim) + { + __is.unget(); + __is >> __str._M_string; + return __is; + } + std::ios_base::fmtflags __flags + = __is.flags(__is.flags() & ~std::ios_base::skipws); + do + { + __is >> __c; + if (!__is.good()) + break; + if (__c == __str._M_escape) + { + __is >> __c; + if (!__is.good()) + break; + } + else if (__c == __str._M_delim) + break; + __str._M_string += __c; + } + while (true); + __is.setf(__flags); + + return __is; + } + _GLIBCXX_END_NAMESPACE_VERSION + } // namespace __detail +_GLIBCXX_BEGIN_NAMESPACE_VERSION + + /** + * @brief Manipulator for quoted strings. + * @param __str String to quote. + * @param __delim Character to quote string with. + * @param __escape Escape character to escape itself or quote character. + */ + template<typename _CharT> + inline auto + quoted(const _CharT* __string, + _CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\')) + { + return __detail::_Quoted_string<const _CharT*, _CharT>(__string, __delim, + __escape); + } + + template<typename _CharT, typename _Traits, typename _Alloc> + inline auto + quoted(const basic_string<_CharT, _Traits, _Alloc>& __string, + _CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\')) + { + return __detail::_Quoted_string< + const basic_string<_CharT, _Traits, _Alloc>&, _CharT>( + __string, __delim, __escape); + } + + template<typename _CharT, typename _Traits, typename _Alloc> + inline auto + quoted(basic_string<_CharT, _Traits, _Alloc>& __string, + _CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\')) + { + return __detail::_Quoted_string< + basic_string<_CharT, _Traits, _Alloc>&, _CharT>( + __string, __delim, __escape); + } + +#endif // __cplusplus > 201103L + +#endif // __cplusplus >= 201103L + + // Inhibit implicit instantiations for required instantiations, + // which are defined via explicit instantiations elsewhere. + // NB: This syntax is a GNU extension. +#if _GLIBCXX_EXTERN_TEMPLATE + extern template ostream& operator<<(ostream&, _Setfill<char>); + extern template ostream& operator<<(ostream&, _Setiosflags); + extern template ostream& operator<<(ostream&, _Resetiosflags); + extern template ostream& operator<<(ostream&, _Setbase); + extern template ostream& operator<<(ostream&, _Setprecision); + extern template ostream& operator<<(ostream&, _Setw); + extern template istream& operator>>(istream&, _Setfill<char>); + extern template istream& operator>>(istream&, _Setiosflags); + extern template istream& operator>>(istream&, _Resetiosflags); + extern template istream& operator>>(istream&, _Setbase); + extern template istream& operator>>(istream&, _Setprecision); + extern template istream& operator>>(istream&, _Setw); + +#ifdef _GLIBCXX_USE_WCHAR_T + extern template wostream& operator<<(wostream&, _Setfill<wchar_t>); + extern template wostream& operator<<(wostream&, _Setiosflags); + extern template wostream& operator<<(wostream&, _Resetiosflags); + extern template wostream& operator<<(wostream&, _Setbase); + extern template wostream& operator<<(wostream&, _Setprecision); + extern template wostream& operator<<(wostream&, _Setw); + extern template wistream& operator>>(wistream&, _Setfill<wchar_t>); + extern template wistream& operator>>(wistream&, _Setiosflags); + extern template wistream& operator>>(wistream&, _Resetiosflags); + extern template wistream& operator>>(wistream&, _Setbase); + extern template wistream& operator>>(wistream&, _Setprecision); + extern template wistream& operator>>(wistream&, _Setw); +#endif +#endif + +_GLIBCXX_END_NAMESPACE_VERSION +} // namespace + +#endif /* _GLIBCXX_IOMANIP */ |