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| 1 | 13 | up20180614 | // -*- C++ -*- |
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| 2 | //===--------------------------- iomanip ----------------------------------===// |
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| 3 | // |
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| 4 | // The LLVM Compiler Infrastructure |
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| 5 | // |
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| 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
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| 7 | // Source Licenses. See LICENSE.TXT for details. |
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| 8 | // |
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| 9 | //===----------------------------------------------------------------------===// |
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| 10 | |||
| 11 | #ifndef _LIBCPP_IOMANIP |
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| 12 | #define _LIBCPP_IOMANIP |
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| 13 | |||
| 14 | /* |
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| 15 | iomanip synopsis |
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| 16 | |||
| 17 | namespace std {
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| 18 | |||
| 19 | // types T1, T2, ... are unspecified implementation types |
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| 20 | T1 resetiosflags(ios_base::fmtflags mask); |
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| 21 | T2 setiosflags (ios_base::fmtflags mask); |
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| 22 | T3 setbase(int base); |
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| 23 | template<charT> T4 setfill(charT c); |
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| 24 | T5 setprecision(int n); |
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| 25 | T6 setw(int n); |
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| 26 | template <class moneyT> T7 get_money(moneyT& mon, bool intl = false); |
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| 27 | template <class charT, class moneyT> T8 put_money(const moneyT& mon, bool intl = false); |
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| 28 | template <class charT> T9 get_time(struct tm* tmb, const charT* fmt); |
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| 29 | template <class charT> T10 put_time(const struct tm* tmb, const charT* fmt); |
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| 30 | |||
| 31 | template <class charT> |
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| 32 | T11 quoted(const charT* s, charT delim=charT('"'), charT escape=charT('\\')); // C++14
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| 33 | |||
| 34 | template <class charT, class traits, class Allocator> |
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| 35 | T12 quoted(const basic_string<charT, traits, Allocator>& s, |
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| 36 | charT delim=charT('"'), charT escape=charT('\\')); // C++14
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| 37 | |||
| 38 | template <class charT, class traits, class Allocator> |
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| 39 | T13 quoted(basic_string<charT, traits, Allocator>& s, |
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| 40 | charT delim=charT('"'), charT escape=charT('\\')); // C++14
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| 41 | |||
| 42 | } // std |
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| 43 | |||
| 44 | */ |
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| 45 | |||
| 46 | #include <__config> |
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| 47 | #include <istream> |
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| 48 | |||
| 49 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
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| 50 | #pragma GCC system_header |
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| 51 | #endif |
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| 52 | |||
| 53 | _LIBCPP_BEGIN_NAMESPACE_STD |
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| 54 | |||
| 55 | // resetiosflags |
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| 56 | |||
| 57 | class __iom_t1 |
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| 58 | {
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| 59 | ios_base::fmtflags __mask_; |
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| 60 | public: |
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| 61 | _LIBCPP_INLINE_VISIBILITY |
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| 62 | explicit __iom_t1(ios_base::fmtflags __m) : __mask_(__m) {}
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| 63 | |||
| 64 | template <class _CharT, class _Traits> |
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| 65 | friend |
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| 66 | _LIBCPP_INLINE_VISIBILITY |
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| 67 | basic_istream<_CharT, _Traits>& |
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| 68 | operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t1& __x) |
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| 69 | {
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| 70 | __is.unsetf(__x.__mask_); |
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| 71 | return __is; |
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| 72 | } |
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| 73 | |||
| 74 | template <class _CharT, class _Traits> |
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| 75 | friend |
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| 76 | _LIBCPP_INLINE_VISIBILITY |
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| 77 | basic_ostream<_CharT, _Traits>& |
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| 78 | operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t1& __x) |
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| 79 | {
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| 80 | __os.unsetf(__x.__mask_); |
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| 81 | return __os; |
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| 82 | } |
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| 83 | }; |
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| 84 | |||
| 85 | inline _LIBCPP_INLINE_VISIBILITY |
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| 86 | __iom_t1 |
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| 87 | resetiosflags(ios_base::fmtflags __mask) |
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| 88 | {
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| 89 | return __iom_t1(__mask); |
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| 90 | } |
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| 91 | |||
| 92 | // setiosflags |
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| 93 | |||
| 94 | class __iom_t2 |
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| 95 | {
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| 96 | ios_base::fmtflags __mask_; |
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| 97 | public: |
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| 98 | _LIBCPP_INLINE_VISIBILITY |
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| 99 | explicit __iom_t2(ios_base::fmtflags __m) : __mask_(__m) {}
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| 100 | |||
| 101 | template <class _CharT, class _Traits> |
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| 102 | friend |
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| 103 | _LIBCPP_INLINE_VISIBILITY |
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| 104 | basic_istream<_CharT, _Traits>& |
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| 105 | operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t2& __x) |
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| 106 | {
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| 107 | __is.setf(__x.__mask_); |
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| 108 | return __is; |
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| 109 | } |
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| 110 | |||
| 111 | template <class _CharT, class _Traits> |
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| 112 | friend |
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| 113 | _LIBCPP_INLINE_VISIBILITY |
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| 114 | basic_ostream<_CharT, _Traits>& |
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| 115 | operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t2& __x) |
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| 116 | {
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| 117 | __os.setf(__x.__mask_); |
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| 118 | return __os; |
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| 119 | } |
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| 120 | }; |
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| 121 | |||
| 122 | inline _LIBCPP_INLINE_VISIBILITY |
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| 123 | __iom_t2 |
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| 124 | setiosflags(ios_base::fmtflags __mask) |
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| 125 | {
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| 126 | return __iom_t2(__mask); |
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| 127 | } |
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| 128 | |||
| 129 | // setbase |
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| 130 | |||
| 131 | class __iom_t3 |
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| 132 | {
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| 133 | int __base_; |
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| 134 | public: |
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| 135 | _LIBCPP_INLINE_VISIBILITY |
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| 136 | explicit __iom_t3(int __b) : __base_(__b) {}
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| 137 | |||
| 138 | template <class _CharT, class _Traits> |
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| 139 | friend |
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| 140 | _LIBCPP_INLINE_VISIBILITY |
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| 141 | basic_istream<_CharT, _Traits>& |
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| 142 | operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t3& __x) |
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| 143 | {
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| 144 | __is.setf(__x.__base_ == 8 ? ios_base::oct : |
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| 145 | __x.__base_ == 10 ? ios_base::dec : |
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| 146 | __x.__base_ == 16 ? ios_base::hex : |
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| 147 | ios_base::fmtflags(0), ios_base::basefield); |
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| 148 | return __is; |
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| 149 | } |
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| 150 | |||
| 151 | template <class _CharT, class _Traits> |
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| 152 | friend |
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| 153 | _LIBCPP_INLINE_VISIBILITY |
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| 154 | basic_ostream<_CharT, _Traits>& |
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| 155 | operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t3& __x) |
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| 156 | {
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| 157 | __os.setf(__x.__base_ == 8 ? ios_base::oct : |
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| 158 | __x.__base_ == 10 ? ios_base::dec : |
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| 159 | __x.__base_ == 16 ? ios_base::hex : |
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| 160 | ios_base::fmtflags(0), ios_base::basefield); |
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| 161 | return __os; |
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| 162 | } |
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| 163 | }; |
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| 164 | |||
| 165 | inline _LIBCPP_INLINE_VISIBILITY |
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| 166 | __iom_t3 |
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| 167 | setbase(int __base) |
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| 168 | {
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| 169 | return __iom_t3(__base); |
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| 170 | } |
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| 171 | |||
| 172 | // setfill |
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| 173 | |||
| 174 | template<class _CharT> |
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| 175 | class __iom_t4 |
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| 176 | {
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| 177 | _CharT __fill_; |
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| 178 | public: |
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| 179 | _LIBCPP_INLINE_VISIBILITY |
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| 180 | explicit __iom_t4(_CharT __c) : __fill_(__c) {}
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| 181 | |||
| 182 | template <class _Traits> |
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| 183 | friend |
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| 184 | _LIBCPP_INLINE_VISIBILITY |
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| 185 | basic_ostream<_CharT, _Traits>& |
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| 186 | operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t4& __x) |
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| 187 | {
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| 188 | __os.fill(__x.__fill_); |
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| 189 | return __os; |
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| 190 | } |
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| 191 | }; |
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| 192 | |||
| 193 | template<class _CharT> |
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| 194 | inline _LIBCPP_INLINE_VISIBILITY |
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| 195 | __iom_t4<_CharT> |
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| 196 | setfill(_CharT __c) |
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| 197 | {
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| 198 | return __iom_t4<_CharT>(__c); |
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| 199 | } |
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| 200 | |||
| 201 | // setprecision |
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| 202 | |||
| 203 | class __iom_t5 |
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| 204 | {
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| 205 | int __n_; |
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| 206 | public: |
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| 207 | _LIBCPP_INLINE_VISIBILITY |
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| 208 | explicit __iom_t5(int __n) : __n_(__n) {}
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| 209 | |||
| 210 | template <class _CharT, class _Traits> |
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| 211 | friend |
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| 212 | _LIBCPP_INLINE_VISIBILITY |
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| 213 | basic_istream<_CharT, _Traits>& |
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| 214 | operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t5& __x) |
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| 215 | {
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| 216 | __is.precision(__x.__n_); |
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| 217 | return __is; |
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| 218 | } |
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| 219 | |||
| 220 | template <class _CharT, class _Traits> |
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| 221 | friend |
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| 222 | _LIBCPP_INLINE_VISIBILITY |
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| 223 | basic_ostream<_CharT, _Traits>& |
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| 224 | operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t5& __x) |
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| 225 | {
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| 226 | __os.precision(__x.__n_); |
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| 227 | return __os; |
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| 228 | } |
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| 229 | }; |
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| 230 | |||
| 231 | inline _LIBCPP_INLINE_VISIBILITY |
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| 232 | __iom_t5 |
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| 233 | setprecision(int __n) |
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| 234 | {
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| 235 | return __iom_t5(__n); |
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| 236 | } |
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| 237 | |||
| 238 | // setw |
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| 239 | |||
| 240 | class __iom_t6 |
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| 241 | {
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| 242 | int __n_; |
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| 243 | public: |
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| 244 | _LIBCPP_INLINE_VISIBILITY |
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| 245 | explicit __iom_t6(int __n) : __n_(__n) {}
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| 246 | |||
| 247 | template <class _CharT, class _Traits> |
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| 248 | friend |
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| 249 | _LIBCPP_INLINE_VISIBILITY |
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| 250 | basic_istream<_CharT, _Traits>& |
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| 251 | operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t6& __x) |
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| 252 | {
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| 253 | __is.width(__x.__n_); |
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| 254 | return __is; |
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| 255 | } |
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| 256 | |||
| 257 | template <class _CharT, class _Traits> |
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| 258 | friend |
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| 259 | _LIBCPP_INLINE_VISIBILITY |
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| 260 | basic_ostream<_CharT, _Traits>& |
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| 261 | operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t6& __x) |
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| 262 | {
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| 263 | __os.width(__x.__n_); |
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| 264 | return __os; |
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| 265 | } |
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| 266 | }; |
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| 267 | |||
| 268 | inline _LIBCPP_INLINE_VISIBILITY |
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| 269 | __iom_t6 |
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| 270 | setw(int __n) |
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| 271 | {
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| 272 | return __iom_t6(__n); |
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| 273 | } |
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| 274 | |||
| 275 | // get_money |
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| 276 | |||
| 277 | template <class _MoneyT> class __iom_t7; |
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| 278 | |||
| 279 | template <class _CharT, class _Traits, class _MoneyT> |
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| 280 | basic_istream<_CharT, _Traits>& |
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| 281 | operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_MoneyT>& __x); |
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| 282 | |||
| 283 | template <class _MoneyT> |
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| 284 | class __iom_t7 |
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| 285 | {
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| 286 | _MoneyT& __mon_; |
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| 287 | bool __intl_; |
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| 288 | public: |
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| 289 | _LIBCPP_INLINE_VISIBILITY |
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| 290 | __iom_t7(_MoneyT& __mon, bool __intl) |
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| 291 | : __mon_(__mon), __intl_(__intl) {}
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| 292 | |||
| 293 | template <class _CharT, class _Traits, class _Mp> |
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| 294 | friend |
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| 295 | basic_istream<_CharT, _Traits>& |
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| 296 | operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_Mp>& __x); |
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| 297 | }; |
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| 298 | |||
| 299 | template <class _CharT, class _Traits, class _MoneyT> |
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| 300 | basic_istream<_CharT, _Traits>& |
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| 301 | operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_MoneyT>& __x) |
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| 302 | {
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| 303 | #ifndef _LIBCPP_NO_EXCEPTIONS |
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| 304 | try |
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| 305 | {
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| 306 | #endif // _LIBCPP_NO_EXCEPTIONS |
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| 307 | typename basic_istream<_CharT, _Traits>::sentry __s(__is); |
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| 308 | if (__s) |
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| 309 | {
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| 310 | typedef istreambuf_iterator<_CharT, _Traits> _Ip; |
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| 311 | typedef money_get<_CharT, _Ip> _Fp; |
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| 312 | ios_base::iostate __err = ios_base::goodbit; |
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| 313 | const _Fp& __mf = use_facet<_Fp>(__is.getloc()); |
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| 314 | __mf.get(_Ip(__is), _Ip(), __x.__intl_, __is, __err, __x.__mon_); |
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| 315 | __is.setstate(__err); |
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| 316 | } |
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| 317 | #ifndef _LIBCPP_NO_EXCEPTIONS |
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| 318 | } |
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| 319 | catch (...) |
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| 320 | {
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| 321 | __is.__set_badbit_and_consider_rethrow(); |
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| 322 | } |
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| 323 | #endif // _LIBCPP_NO_EXCEPTIONS |
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| 324 | return __is; |
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| 325 | } |
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| 326 | |||
| 327 | template <class _MoneyT> |
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| 328 | inline _LIBCPP_INLINE_VISIBILITY |
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| 329 | __iom_t7<_MoneyT> |
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| 330 | get_money(_MoneyT& __mon, bool __intl = false) |
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| 331 | {
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| 332 | return __iom_t7<_MoneyT>(__mon, __intl); |
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| 333 | } |
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| 334 | |||
| 335 | // put_money |
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| 336 | |||
| 337 | template <class _MoneyT> class __iom_t8; |
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| 338 | |||
| 339 | template <class _CharT, class _Traits, class _MoneyT> |
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| 340 | basic_ostream<_CharT, _Traits>& |
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| 341 | operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_MoneyT>& __x); |
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| 342 | |||
| 343 | template <class _MoneyT> |
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| 344 | class __iom_t8 |
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| 345 | {
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| 346 | const _MoneyT& __mon_; |
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| 347 | bool __intl_; |
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| 348 | public: |
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| 349 | _LIBCPP_INLINE_VISIBILITY |
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| 350 | __iom_t8(const _MoneyT& __mon, bool __intl) |
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| 351 | : __mon_(__mon), __intl_(__intl) {}
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| 352 | |||
| 353 | template <class _CharT, class _Traits, class _Mp> |
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| 354 | friend |
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| 355 | basic_ostream<_CharT, _Traits>& |
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| 356 | operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_Mp>& __x); |
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| 357 | }; |
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| 358 | |||
| 359 | template <class _CharT, class _Traits, class _MoneyT> |
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| 360 | basic_ostream<_CharT, _Traits>& |
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| 361 | operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_MoneyT>& __x) |
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| 362 | {
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| 363 | #ifndef _LIBCPP_NO_EXCEPTIONS |
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| 364 | try |
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| 365 | {
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| 366 | #endif // _LIBCPP_NO_EXCEPTIONS |
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| 367 | typename basic_ostream<_CharT, _Traits>::sentry __s(__os); |
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| 368 | if (__s) |
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| 369 | {
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| 370 | typedef ostreambuf_iterator<_CharT, _Traits> _Op; |
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| 371 | typedef money_put<_CharT, _Op> _Fp; |
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| 372 | const _Fp& __mf = use_facet<_Fp>(__os.getloc()); |
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| 373 | if (__mf.put(_Op(__os), __x.__intl_, __os, __os.fill(), __x.__mon_).failed()) |
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| 374 | __os.setstate(ios_base::badbit); |
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| 375 | } |
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| 376 | #ifndef _LIBCPP_NO_EXCEPTIONS |
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| 377 | } |
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| 378 | catch (...) |
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| 379 | {
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| 380 | __os.__set_badbit_and_consider_rethrow(); |
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| 381 | } |
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| 382 | #endif // _LIBCPP_NO_EXCEPTIONS |
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| 383 | return __os; |
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| 384 | } |
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| 385 | |||
| 386 | template <class _MoneyT> |
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| 387 | inline _LIBCPP_INLINE_VISIBILITY |
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| 388 | __iom_t8<_MoneyT> |
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| 389 | put_money(const _MoneyT& __mon, bool __intl = false) |
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| 390 | {
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| 391 | return __iom_t8<_MoneyT>(__mon, __intl); |
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| 392 | } |
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| 393 | |||
| 394 | // get_time |
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| 395 | |||
| 396 | template <class _CharT> class __iom_t9; |
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| 397 | |||
| 398 | template <class _CharT, class _Traits> |
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| 399 | basic_istream<_CharT, _Traits>& |
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| 400 | operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t9<_CharT>& __x); |
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| 401 | |||
| 402 | template <class _CharT> |
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| 403 | class __iom_t9 |
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| 404 | {
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| 405 | tm* __tm_; |
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| 406 | const _CharT* __fmt_; |
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| 407 | public: |
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| 408 | _LIBCPP_INLINE_VISIBILITY |
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| 409 | __iom_t9(tm* __tm, const _CharT* __fmt) |
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| 410 | : __tm_(__tm), __fmt_(__fmt) {}
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| 411 | |||
| 412 | template <class _Cp, class _Traits> |
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| 413 | friend |
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| 414 | basic_istream<_Cp, _Traits>& |
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| 415 | operator>>(basic_istream<_Cp, _Traits>& __is, const __iom_t9<_Cp>& __x); |
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| 416 | }; |
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| 417 | |||
| 418 | template <class _CharT, class _Traits> |
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| 419 | basic_istream<_CharT, _Traits>& |
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| 420 | operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t9<_CharT>& __x) |
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| 421 | {
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| 422 | #ifndef _LIBCPP_NO_EXCEPTIONS |
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| 423 | try |
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| 424 | {
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| 425 | #endif // _LIBCPP_NO_EXCEPTIONS |
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| 426 | typename basic_istream<_CharT, _Traits>::sentry __s(__is); |
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| 427 | if (__s) |
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| 428 | {
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| 429 | typedef istreambuf_iterator<_CharT, _Traits> _Ip; |
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| 430 | typedef time_get<_CharT, _Ip> _Fp; |
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| 431 | ios_base::iostate __err = ios_base::goodbit; |
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| 432 | const _Fp& __tf = use_facet<_Fp>(__is.getloc()); |
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| 433 | __tf.get(_Ip(__is), _Ip(), __is, __err, __x.__tm_, |
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| 434 | __x.__fmt_, __x.__fmt_ + _Traits::length(__x.__fmt_)); |
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| 435 | __is.setstate(__err); |
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| 436 | } |
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| 437 | #ifndef _LIBCPP_NO_EXCEPTIONS |
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| 438 | } |
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| 439 | catch (...) |
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| 440 | {
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| 441 | __is.__set_badbit_and_consider_rethrow(); |
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| 442 | } |
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| 443 | #endif // _LIBCPP_NO_EXCEPTIONS |
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| 444 | return __is; |
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| 445 | } |
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| 446 | |||
| 447 | template <class _CharT> |
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| 448 | inline _LIBCPP_INLINE_VISIBILITY |
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| 449 | __iom_t9<_CharT> |
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| 450 | get_time(tm* __tm, const _CharT* __fmt) |
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| 451 | {
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| 452 | return __iom_t9<_CharT>(__tm, __fmt); |
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| 453 | } |
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| 454 | |||
| 455 | // put_time |
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| 456 | |||
| 457 | template <class _CharT> class __iom_t10; |
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| 458 | |||
| 459 | template <class _CharT, class _Traits> |
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| 460 | basic_ostream<_CharT, _Traits>& |
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| 461 | operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t10<_CharT>& __x); |
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| 462 | |||
| 463 | template <class _CharT> |
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| 464 | class __iom_t10 |
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| 465 | {
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| 466 | const tm* __tm_; |
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| 467 | const _CharT* __fmt_; |
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| 468 | public: |
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| 469 | _LIBCPP_INLINE_VISIBILITY |
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| 470 | __iom_t10(const tm* __tm, const _CharT* __fmt) |
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| 471 | : __tm_(__tm), __fmt_(__fmt) {}
|
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| 472 | |||
| 473 | template <class _Cp, class _Traits> |
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| 474 | friend |
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| 475 | basic_ostream<_Cp, _Traits>& |
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| 476 | operator<<(basic_ostream<_Cp, _Traits>& __os, const __iom_t10<_Cp>& __x); |
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| 477 | }; |
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| 478 | |||
| 479 | template <class _CharT, class _Traits> |
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| 480 | basic_ostream<_CharT, _Traits>& |
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| 481 | operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t10<_CharT>& __x) |
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| 482 | {
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| 483 | #ifndef _LIBCPP_NO_EXCEPTIONS |
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| 484 | try |
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| 485 | {
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| 486 | #endif // _LIBCPP_NO_EXCEPTIONS |
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| 487 | typename basic_ostream<_CharT, _Traits>::sentry __s(__os); |
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| 488 | if (__s) |
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| 489 | {
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| 490 | typedef ostreambuf_iterator<_CharT, _Traits> _Op; |
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| 491 | typedef time_put<_CharT, _Op> _Fp; |
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| 492 | const _Fp& __tf = use_facet<_Fp>(__os.getloc()); |
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| 493 | if (__tf.put(_Op(__os), __os, __os.fill(), __x.__tm_, |
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| 494 | __x.__fmt_, __x.__fmt_ + _Traits::length(__x.__fmt_)).failed()) |
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| 495 | __os.setstate(ios_base::badbit); |
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| 496 | } |
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| 497 | #ifndef _LIBCPP_NO_EXCEPTIONS |
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| 498 | } |
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| 499 | catch (...) |
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| 500 | {
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| 501 | __os.__set_badbit_and_consider_rethrow(); |
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| 502 | } |
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| 503 | #endif // _LIBCPP_NO_EXCEPTIONS |
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| 504 | return __os; |
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| 505 | } |
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| 506 | |||
| 507 | template <class _CharT> |
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| 508 | inline _LIBCPP_INLINE_VISIBILITY |
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| 509 | __iom_t10<_CharT> |
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| 510 | put_time(const tm* __tm, const _CharT* __fmt) |
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| 511 | {
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| 512 | return __iom_t10<_CharT>(__tm, __fmt); |
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| 513 | } |
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| 514 | |||
| 515 | #if _LIBCPP_STD_VER > 11 |
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| 516 | |||
| 517 | template <class _CharT, class _Traits, class _ForwardIterator> |
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| 518 | std::basic_ostream<_CharT, _Traits> & |
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| 519 | __quoted_output ( basic_ostream<_CharT, _Traits> &__os, |
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| 520 | _ForwardIterator __first, _ForwardIterator __last, _CharT __delim, _CharT __escape ) |
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| 521 | {
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| 522 | _VSTD::basic_string<_CharT, _Traits> __str; |
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| 523 | __str.push_back(__delim); |
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| 524 | for ( ; __first != __last; ++ __first ) |
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| 525 | {
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| 526 | if (_Traits::eq (*__first, __escape) || _Traits::eq (*__first, __delim)) |
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| 527 | __str.push_back(__escape); |
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| 528 | __str.push_back(*__first); |
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| 529 | } |
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| 530 | __str.push_back(__delim); |
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| 531 | return __put_character_sequence(__os, __str.data(), __str.size()); |
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| 532 | } |
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| 533 | |||
| 534 | template <class _CharT, class _Traits, class _String> |
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| 535 | basic_istream<_CharT, _Traits> & |
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| 536 | __quoted_input ( basic_istream<_CharT, _Traits> &__is, _String & __string, _CharT __delim, _CharT __escape ) |
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| 537 | {
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| 538 | __string.clear (); |
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| 539 | _CharT __c; |
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| 540 | __is >> __c; |
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| 541 | if ( __is.fail ()) |
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| 542 | return __is; |
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| 543 | |||
| 544 | if (!_Traits::eq (__c, __delim)) // no delimiter, read the whole string |
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| 545 | {
|
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| 546 | __is.unget (); |
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| 547 | __is >> __string; |
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| 548 | return __is; |
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| 549 | } |
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| 550 | |||
| 551 | __save_flags<_CharT, _Traits> sf(__is); |
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| 552 | noskipws (__is); |
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| 553 | while (true) |
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| 554 | {
|
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| 555 | __is >> __c; |
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| 556 | if ( __is.fail ()) |
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| 557 | break; |
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| 558 | if (_Traits::eq (__c, __escape)) |
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| 559 | {
|
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| 560 | __is >> __c; |
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| 561 | if ( __is.fail ()) |
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| 562 | break; |
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| 563 | } |
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| 564 | else if (_Traits::eq (__c, __delim)) |
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| 565 | break; |
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| 566 | __string.push_back ( __c ); |
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| 567 | } |
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| 568 | return __is; |
||
| 569 | } |
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| 570 | |||
| 571 | |||
| 572 | template <class _CharT, class _Iter, class _Traits=char_traits<_CharT>> |
||
| 573 | struct __quoted_output_proxy |
||
| 574 | {
|
||
| 575 | _Iter __first; |
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| 576 | _Iter __last; |
||
| 577 | _CharT __delim; |
||
| 578 | _CharT __escape; |
||
| 579 | |||
| 580 | __quoted_output_proxy(_Iter __f, _Iter __l, _CharT __d, _CharT __e) |
||
| 581 | : __first(__f), __last(__l), __delim(__d), __escape(__e) {}
|
||
| 582 | // This would be a nice place for a string_ref |
||
| 583 | }; |
||
| 584 | |||
| 585 | template <class _CharT, class _Traits, class _Iter> |
||
| 586 | basic_ostream<_CharT, _Traits>& operator<<( |
||
| 587 | basic_ostream<_CharT, _Traits>& __os, |
||
| 588 | const __quoted_output_proxy<_CharT, _Iter, _Traits> & __proxy) |
||
| 589 | {
|
||
| 590 | return __quoted_output (__os, __proxy.__first, __proxy.__last, __proxy.__delim, __proxy.__escape); |
||
| 591 | } |
||
| 592 | |||
| 593 | template <class _CharT, class _Traits, class _Allocator> |
||
| 594 | struct __quoted_proxy |
||
| 595 | {
|
||
| 596 | basic_string<_CharT, _Traits, _Allocator> &__string; |
||
| 597 | _CharT __delim; |
||
| 598 | _CharT __escape; |
||
| 599 | |||
| 600 | __quoted_proxy(basic_string<_CharT, _Traits, _Allocator> &__s, _CharT __d, _CharT __e) |
||
| 601 | : __string(__s), __delim(__d), __escape(__e) {}
|
||
| 602 | }; |
||
| 603 | |||
| 604 | template <class _CharT, class _Traits, class _Allocator> |
||
| 605 | _LIBCPP_INLINE_VISIBILITY |
||
| 606 | basic_ostream<_CharT, _Traits>& operator<<( |
||
| 607 | basic_ostream<_CharT, _Traits>& __os, |
||
| 608 | const __quoted_proxy<_CharT, _Traits, _Allocator> & __proxy) |
||
| 609 | {
|
||
| 610 | return __quoted_output (__os, __proxy.__string.cbegin (), __proxy.__string.cend (), __proxy.__delim, __proxy.__escape); |
||
| 611 | } |
||
| 612 | |||
| 613 | // extractor for non-const basic_string& proxies |
||
| 614 | template <class _CharT, class _Traits, class _Allocator> |
||
| 615 | _LIBCPP_INLINE_VISIBILITY |
||
| 616 | basic_istream<_CharT, _Traits>& operator>>( |
||
| 617 | basic_istream<_CharT, _Traits>& __is, |
||
| 618 | const __quoted_proxy<_CharT, _Traits, _Allocator> & __proxy) |
||
| 619 | {
|
||
| 620 | return __quoted_input ( __is, __proxy.__string, __proxy.__delim, __proxy.__escape ); |
||
| 621 | } |
||
| 622 | |||
| 623 | |||
| 624 | template <class _CharT> |
||
| 625 | _LIBCPP_INLINE_VISIBILITY |
||
| 626 | __quoted_output_proxy<_CharT, const _CharT *> |
||
| 627 | quoted ( const _CharT *__s, _CharT __delim = _CharT('"'), _CharT __escape =_CharT('\\'))
|
||
| 628 | {
|
||
| 629 | const _CharT *__end = __s; |
||
| 630 | while ( *__end ) ++__end; |
||
| 631 | return __quoted_output_proxy<_CharT, const _CharT *> ( __s, __end, __delim, __escape ); |
||
| 632 | } |
||
| 633 | |||
| 634 | template <class _CharT, class _Traits, class _Allocator> |
||
| 635 | _LIBCPP_INLINE_VISIBILITY |
||
| 636 | __quoted_output_proxy<_CharT, typename basic_string <_CharT, _Traits, _Allocator>::const_iterator> |
||
| 637 | quoted ( const basic_string <_CharT, _Traits, _Allocator> &__s, _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\'))
|
||
| 638 | {
|
||
| 639 | return __quoted_output_proxy<_CharT, |
||
| 640 | typename basic_string <_CharT, _Traits, _Allocator>::const_iterator> |
||
| 641 | ( __s.cbegin(), __s.cend (), __delim, __escape ); |
||
| 642 | } |
||
| 643 | |||
| 644 | template <class _CharT, class _Traits, class _Allocator> |
||
| 645 | __quoted_proxy<_CharT, _Traits, _Allocator> |
||
| 646 | quoted ( basic_string <_CharT, _Traits, _Allocator> &__s, _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\'))
|
||
| 647 | {
|
||
| 648 | return __quoted_proxy<_CharT, _Traits, _Allocator>( __s, __delim, __escape ); |
||
| 649 | } |
||
| 650 | #endif |
||
| 651 | |||
| 652 | _LIBCPP_END_NAMESPACE_STD |
||
| 653 | |||
| 654 | #endif // _LIBCPP_IOMANIP |