Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===--------------------------- istream ----------------------------------===// |
| 3 | // |
Howard Hinnant | f5256e1 | 2010-05-11 21:36:01 +0000 | [diff] [blame] | 4 | // The LLVM Compiler Infrastructure |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 5 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 7 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 8 | // |
| 9 | //===----------------------------------------------------------------------===// |
| 10 | |
| 11 | #ifndef _LIBCPP_ISTREAM |
| 12 | #define _LIBCPP_ISTREAM |
| 13 | |
| 14 | /* |
| 15 | istream synopsis |
| 16 | |
| 17 | template <class charT, class traits = char_traits<charT> > |
| 18 | class basic_istream |
| 19 | : virtual public basic_ios<charT,traits> |
| 20 | { |
| 21 | public: |
| 22 | // types (inherited from basic_ios (27.5.4)): |
| 23 | typedef charT char_type; |
| 24 | typedef traits traits_type; |
| 25 | typedef typename traits_type::int_type int_type; |
| 26 | typedef typename traits_type::pos_type pos_type; |
| 27 | typedef typename traits_type::off_type off_type; |
| 28 | |
| 29 | // 27.7.1.1.1 Constructor/destructor: |
| 30 | explicit basic_istream(basic_streambuf<char_type, traits_type>* sb); |
| 31 | basic_istream(basic_istream&& rhs); |
| 32 | virtual ~basic_istream(); |
| 33 | |
| 34 | // 27.7.1.1.2 Assign/swap: |
| 35 | basic_istream& operator=(basic_istream&& rhs); |
| 36 | void swap(basic_istream& rhs); |
| 37 | |
| 38 | // 27.7.1.1.3 Prefix/suffix: |
| 39 | class sentry; |
| 40 | |
| 41 | // 27.7.1.2 Formatted input: |
| 42 | basic_istream& operator>>(basic_istream& (*pf)(basic_istream&)); |
| 43 | basic_istream& operator>>(basic_ios<char_type, traits_type>& |
| 44 | (*pf)(basic_ios<char_type, traits_type>&)); |
| 45 | basic_istream& operator>>(ios_base& (*pf)(ios_base&)); |
| 46 | basic_istream& operator>>(basic_streambuf<char_type, traits_type>* sb); |
| 47 | basic_istream& operator>>(bool& n); |
| 48 | basic_istream& operator>>(short& n); |
| 49 | basic_istream& operator>>(unsigned short& n); |
| 50 | basic_istream& operator>>(int& n); |
| 51 | basic_istream& operator>>(unsigned int& n); |
| 52 | basic_istream& operator>>(long& n); |
| 53 | basic_istream& operator>>(unsigned long& n); |
| 54 | basic_istream& operator>>(long long& n); |
| 55 | basic_istream& operator>>(unsigned long long& n); |
| 56 | basic_istream& operator>>(float& f); |
| 57 | basic_istream& operator>>(double& f); |
| 58 | basic_istream& operator>>(long double& f); |
| 59 | basic_istream& operator>>(void*& p); |
| 60 | |
| 61 | // 27.7.1.3 Unformatted input: |
| 62 | streamsize gcount() const; |
| 63 | int_type get(); |
| 64 | basic_istream& get(char_type& c); |
| 65 | basic_istream& get(char_type* s, streamsize n); |
| 66 | basic_istream& get(char_type* s, streamsize n, char_type delim); |
| 67 | basic_istream& get(basic_streambuf<char_type,traits_type>& sb); |
| 68 | basic_istream& get(basic_streambuf<char_type,traits_type>& sb, char_type delim); |
| 69 | |
| 70 | basic_istream& getline(char_type* s, streamsize n); |
| 71 | basic_istream& getline(char_type* s, streamsize n, char_type delim); |
| 72 | |
| 73 | basic_istream& ignore(streamsize n = 1, int_type delim = traits_type::eof()); |
| 74 | int_type peek(); |
| 75 | basic_istream& read (char_type* s, streamsize n); |
| 76 | streamsize readsome(char_type* s, streamsize n); |
| 77 | |
| 78 | basic_istream& putback(char_type c); |
| 79 | basic_istream& unget(); |
| 80 | int sync(); |
| 81 | |
| 82 | pos_type tellg(); |
| 83 | basic_istream& seekg(pos_type); |
| 84 | basic_istream& seekg(off_type, ios_base::seekdir); |
Marshall Clow | 546eca8 | 2014-09-16 15:27:01 +0000 | [diff] [blame] | 85 | protected: |
| 86 | basic_istream(const basic_istream& rhs) = delete; |
| 87 | basic_istream(basic_istream&& rhs); |
| 88 | // 27.7.2.1.2 Assign/swap: |
| 89 | basic_istream& operator=(const basic_istream& rhs) = delete; |
| 90 | basic_istream& operator=(basic_istream&& rhs); |
| 91 | void swap(basic_istream& rhs); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 92 | }; |
| 93 | |
| 94 | // 27.7.1.2.3 character extraction templates: |
| 95 | template<class charT, class traits> |
| 96 | basic_istream<charT,traits>& operator>>(basic_istream<charT,traits>&, charT&); |
| 97 | |
| 98 | template<class traits> |
| 99 | basic_istream<char,traits>& operator>>(basic_istream<char,traits>&, unsigned char&); |
| 100 | |
| 101 | template<class traits> |
| 102 | basic_istream<char,traits>& operator>>(basic_istream<char,traits>&, signed char&); |
| 103 | |
| 104 | template<class charT, class traits> |
| 105 | basic_istream<charT,traits>& operator>>(basic_istream<charT,traits>&, charT*); |
| 106 | |
| 107 | template<class traits> |
| 108 | basic_istream<char,traits>& operator>>(basic_istream<char,traits>&, unsigned char*); |
| 109 | |
| 110 | template<class traits> |
| 111 | basic_istream<char,traits>& operator>>(basic_istream<char,traits>&, signed char*); |
| 112 | |
| 113 | template <class charT, class traits> |
| 114 | void |
| 115 | swap(basic_istream<charT, traits>& x, basic_istream<charT, traits>& y); |
| 116 | |
| 117 | typedef basic_istream<char> istream; |
| 118 | typedef basic_istream<wchar_t> wistream; |
| 119 | |
| 120 | template <class charT, class traits = char_traits<charT> > |
| 121 | class basic_iostream : |
| 122 | public basic_istream<charT,traits>, |
| 123 | public basic_ostream<charT,traits> |
| 124 | { |
| 125 | public: |
| 126 | // types: |
| 127 | typedef charT char_type; |
| 128 | typedef traits traits_type; |
| 129 | typedef typename traits_type::int_type int_type; |
| 130 | typedef typename traits_type::pos_type pos_type; |
| 131 | typedef typename traits_type::off_type off_type; |
| 132 | |
| 133 | // constructor/destructor |
| 134 | explicit basic_iostream(basic_streambuf<char_type, traits_type>* sb); |
| 135 | basic_iostream(basic_iostream&& rhs); |
| 136 | virtual ~basic_iostream(); |
| 137 | |
| 138 | // assign/swap |
| 139 | basic_iostream& operator=(basic_iostream&& rhs); |
| 140 | void swap(basic_iostream& rhs); |
| 141 | }; |
| 142 | |
| 143 | template <class charT, class traits> |
| 144 | void |
| 145 | swap(basic_iostream<charT, traits>& x, basic_iostream<charT, traits>& y); |
| 146 | |
| 147 | typedef basic_iostream<char> iostream; |
| 148 | typedef basic_iostream<wchar_t> wiostream; |
| 149 | |
| 150 | template <class charT, class traits> |
| 151 | basic_istream<charT,traits>& |
| 152 | ws(basic_istream<charT,traits>& is); |
| 153 | |
| 154 | template <class charT, class traits, class T> |
| 155 | basic_istream<charT, traits>& |
| 156 | operator>>(basic_istream<charT, traits>&& is, T& x); |
| 157 | |
| 158 | } // std |
| 159 | |
| 160 | */ |
| 161 | |
| 162 | #include <__config> |
Marshall Clow | 9648447 | 2018-12-11 04:35:44 +0000 | [diff] [blame] | 163 | #include <version> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 164 | #include <ostream> |
| 165 | |
Howard Hinnant | 08e1747 | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 166 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 167 | #pragma GCC system_header |
Howard Hinnant | 08e1747 | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 168 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 169 | |
Eric Fiselier | 018a3d5 | 2017-05-31 22:07:49 +0000 | [diff] [blame] | 170 | _LIBCPP_PUSH_MACROS |
| 171 | #include <__undef_macros> |
| 172 | |
| 173 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 174 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 175 | |
| 176 | template <class _CharT, class _Traits> |
Eric Fiselier | c3589a8 | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 177 | class _LIBCPP_TEMPLATE_VIS basic_istream |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 178 | : virtual public basic_ios<_CharT, _Traits> |
| 179 | { |
| 180 | streamsize __gc_; |
| 181 | public: |
| 182 | // types (inherited from basic_ios (27.5.4)): |
| 183 | typedef _CharT char_type; |
| 184 | typedef _Traits traits_type; |
| 185 | typedef typename traits_type::int_type int_type; |
| 186 | typedef typename traits_type::pos_type pos_type; |
| 187 | typedef typename traits_type::off_type off_type; |
| 188 | |
| 189 | // 27.7.1.1.1 Constructor/destructor: |
Louis Dionne | 3845a65 | 2018-10-16 19:26:23 +0000 | [diff] [blame] | 190 | inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 191 | explicit basic_istream(basic_streambuf<char_type, traits_type>* __sb) : __gc_(0) |
| 192 | { this->init(__sb); } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 193 | virtual ~basic_istream(); |
| 194 | protected: |
Eric Fiselier | e915b5c | 2017-04-18 23:38:41 +0000 | [diff] [blame] | 195 | #ifndef _LIBCPP_CXX03_LANG |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 196 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 197 | basic_istream(basic_istream&& __rhs); |
Eric Fiselier | e915b5c | 2017-04-18 23:38:41 +0000 | [diff] [blame] | 198 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 199 | // 27.7.1.1.2 Assign/swap: |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 200 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 201 | basic_istream& operator=(basic_istream&& __rhs); |
| 202 | #endif |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 203 | |
Louis Dionne | 3845a65 | 2018-10-16 19:26:23 +0000 | [diff] [blame] | 204 | inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 205 | void swap(basic_istream& __rhs) { |
| 206 | _VSTD::swap(__gc_, __rhs.__gc_); |
| 207 | basic_ios<char_type, traits_type>::swap(__rhs); |
| 208 | } |
Marshall Clow | 546eca8 | 2014-09-16 15:27:01 +0000 | [diff] [blame] | 209 | |
Eric Fiselier | 8eb066a | 2017-01-06 20:58:25 +0000 | [diff] [blame] | 210 | #ifndef _LIBCPP_CXX03_LANG |
Marshall Clow | d1fae17 | 2014-09-16 15:33:53 +0000 | [diff] [blame] | 211 | basic_istream (const basic_istream& __rhs) = delete; |
| 212 | basic_istream& operator=(const basic_istream& __rhs) = delete; |
Marshall Clow | 546eca8 | 2014-09-16 15:27:01 +0000 | [diff] [blame] | 213 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 214 | public: |
| 215 | |
| 216 | // 27.7.1.1.3 Prefix/suffix: |
Eric Fiselier | c3589a8 | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 217 | class _LIBCPP_TEMPLATE_VIS sentry; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 218 | |
| 219 | // 27.7.1.2 Formatted input: |
Louis Dionne | 3845a65 | 2018-10-16 19:26:23 +0000 | [diff] [blame] | 220 | inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 221 | basic_istream& operator>>(basic_istream& (*__pf)(basic_istream&)) |
| 222 | { return __pf(*this); } |
| 223 | |
Louis Dionne | 3845a65 | 2018-10-16 19:26:23 +0000 | [diff] [blame] | 224 | inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 225 | basic_istream& operator>>(basic_ios<char_type, traits_type>& |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 226 | (*__pf)(basic_ios<char_type, traits_type>&)) |
| 227 | { __pf(*this); return *this; } |
| 228 | |
Louis Dionne | 3845a65 | 2018-10-16 19:26:23 +0000 | [diff] [blame] | 229 | inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 230 | basic_istream& operator>>(ios_base& (*__pf)(ios_base&)) |
| 231 | { __pf(*this); return *this; } |
| 232 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 233 | basic_istream& operator>>(basic_streambuf<char_type, traits_type>* __sb); |
| 234 | basic_istream& operator>>(bool& __n); |
| 235 | basic_istream& operator>>(short& __n); |
| 236 | basic_istream& operator>>(unsigned short& __n); |
| 237 | basic_istream& operator>>(int& __n); |
| 238 | basic_istream& operator>>(unsigned int& __n); |
| 239 | basic_istream& operator>>(long& __n); |
| 240 | basic_istream& operator>>(unsigned long& __n); |
| 241 | basic_istream& operator>>(long long& __n); |
| 242 | basic_istream& operator>>(unsigned long long& __n); |
| 243 | basic_istream& operator>>(float& __f); |
| 244 | basic_istream& operator>>(double& __f); |
| 245 | basic_istream& operator>>(long double& __f); |
| 246 | basic_istream& operator>>(void*& __p); |
| 247 | |
| 248 | // 27.7.1.3 Unformatted input: |
Howard Hinnant | 68a8e90 | 2010-09-22 15:29:08 +0000 | [diff] [blame] | 249 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 250 | streamsize gcount() const {return __gc_;} |
| 251 | int_type get(); |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 252 | |
Louis Dionne | 3845a65 | 2018-10-16 19:26:23 +0000 | [diff] [blame] | 253 | inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 254 | basic_istream& get(char_type& __c) { |
| 255 | int_type __ch = get(); |
| 256 | if (__ch != traits_type::eof()) |
| 257 | __c = traits_type::to_char_type(__ch); |
| 258 | return *this; |
| 259 | } |
| 260 | |
Louis Dionne | 3845a65 | 2018-10-16 19:26:23 +0000 | [diff] [blame] | 261 | inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 262 | basic_istream& get(char_type* __s, streamsize __n) |
| 263 | { return get(__s, __n, this->widen('\n')); } |
| 264 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 265 | basic_istream& get(char_type* __s, streamsize __n, char_type __dlm); |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 266 | |
Louis Dionne | 3845a65 | 2018-10-16 19:26:23 +0000 | [diff] [blame] | 267 | inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 268 | basic_istream& get(basic_streambuf<char_type, traits_type>& __sb) |
| 269 | { return get(__sb, this->widen('\n')); } |
| 270 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 271 | basic_istream& get(basic_streambuf<char_type, traits_type>& __sb, char_type __dlm); |
| 272 | |
Louis Dionne | 3845a65 | 2018-10-16 19:26:23 +0000 | [diff] [blame] | 273 | inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 274 | basic_istream& getline(char_type* __s, streamsize __n) |
| 275 | { return getline(__s, __n, this->widen('\n')); } |
| 276 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 277 | basic_istream& getline(char_type* __s, streamsize __n, char_type __dlm); |
| 278 | |
| 279 | basic_istream& ignore(streamsize __n = 1, int_type __dlm = traits_type::eof()); |
| 280 | int_type peek(); |
| 281 | basic_istream& read (char_type* __s, streamsize __n); |
| 282 | streamsize readsome(char_type* __s, streamsize __n); |
| 283 | |
| 284 | basic_istream& putback(char_type __c); |
| 285 | basic_istream& unget(); |
| 286 | int sync(); |
| 287 | |
| 288 | pos_type tellg(); |
| 289 | basic_istream& seekg(pos_type __pos); |
| 290 | basic_istream& seekg(off_type __off, ios_base::seekdir __dir); |
| 291 | }; |
| 292 | |
| 293 | template <class _CharT, class _Traits> |
Eric Fiselier | c3589a8 | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 294 | class _LIBCPP_TEMPLATE_VIS basic_istream<_CharT, _Traits>::sentry |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 295 | { |
| 296 | bool __ok_; |
| 297 | |
| 298 | sentry(const sentry&); // = delete; |
| 299 | sentry& operator=(const sentry&); // = delete; |
| 300 | |
| 301 | public: |
| 302 | explicit sentry(basic_istream<_CharT, _Traits>& __is, bool __noskipws = false); |
| 303 | // ~sentry() = default; |
| 304 | |
Howard Hinnant | 68a8e90 | 2010-09-22 15:29:08 +0000 | [diff] [blame] | 305 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 7786188 | 2012-02-21 21:46:43 +0000 | [diff] [blame] | 306 | _LIBCPP_EXPLICIT |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 307 | operator bool() const {return __ok_;} |
| 308 | }; |
| 309 | |
| 310 | template <class _CharT, class _Traits> |
| 311 | basic_istream<_CharT, _Traits>::sentry::sentry(basic_istream<_CharT, _Traits>& __is, |
| 312 | bool __noskipws) |
| 313 | : __ok_(false) |
| 314 | { |
| 315 | if (__is.good()) |
| 316 | { |
| 317 | if (__is.tie()) |
| 318 | __is.tie()->flush(); |
| 319 | if (!__noskipws && (__is.flags() & ios_base::skipws)) |
| 320 | { |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 321 | typedef istreambuf_iterator<_CharT, _Traits> _Ip; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 322 | const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 323 | _Ip __i(__is); |
| 324 | _Ip __eof; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 325 | for (; __i != __eof; ++__i) |
| 326 | if (!__ct.is(__ct.space, *__i)) |
| 327 | break; |
| 328 | if (__i == __eof) |
| 329 | __is.setstate(ios_base::failbit | ios_base::eofbit); |
| 330 | } |
| 331 | __ok_ = __is.good(); |
| 332 | } |
| 333 | else |
| 334 | __is.setstate(ios_base::failbit); |
| 335 | } |
| 336 | |
Eric Fiselier | e915b5c | 2017-04-18 23:38:41 +0000 | [diff] [blame] | 337 | #ifndef _LIBCPP_CXX03_LANG |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 338 | |
| 339 | template <class _CharT, class _Traits> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 340 | basic_istream<_CharT, _Traits>::basic_istream(basic_istream&& __rhs) |
| 341 | : __gc_(__rhs.__gc_) |
| 342 | { |
| 343 | __rhs.__gc_ = 0; |
| 344 | this->move(__rhs); |
| 345 | } |
| 346 | |
| 347 | template <class _CharT, class _Traits> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 348 | basic_istream<_CharT, _Traits>& |
| 349 | basic_istream<_CharT, _Traits>::operator=(basic_istream&& __rhs) |
| 350 | { |
| 351 | swap(__rhs); |
| 352 | return *this; |
| 353 | } |
| 354 | |
Eric Fiselier | e915b5c | 2017-04-18 23:38:41 +0000 | [diff] [blame] | 355 | #endif // _LIBCPP_CXX03_LANG |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 356 | |
| 357 | template <class _CharT, class _Traits> |
| 358 | basic_istream<_CharT, _Traits>::~basic_istream() |
| 359 | { |
| 360 | } |
| 361 | |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 362 | template <class _Tp, class _CharT, class _Traits> |
| 363 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 364 | basic_istream<_CharT, _Traits>& |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 365 | __input_arithmetic(basic_istream<_CharT, _Traits>& __is, _Tp& __n) { |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 366 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 367 | try |
| 368 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 369 | #endif // _LIBCPP_NO_EXCEPTIONS |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 370 | typename basic_istream<_CharT, _Traits>::sentry __s(__is); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 371 | if (__s) |
| 372 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 373 | typedef istreambuf_iterator<_CharT, _Traits> _Ip; |
| 374 | typedef num_get<_CharT, _Ip> _Fp; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 375 | ios_base::iostate __err = ios_base::goodbit; |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 376 | use_facet<_Fp>(__is.getloc()).get(_Ip(__is), _Ip(), __is, __err, __n); |
| 377 | __is.setstate(__err); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 378 | } |
| 379 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 380 | } |
| 381 | catch (...) |
| 382 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 383 | __is.__set_badbit_and_consider_rethrow(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 384 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 385 | #endif // _LIBCPP_NO_EXCEPTIONS |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 386 | return __is; |
| 387 | } |
| 388 | |
| 389 | template <class _CharT, class _Traits> |
| 390 | basic_istream<_CharT, _Traits>& |
| 391 | basic_istream<_CharT, _Traits>::operator>>(unsigned short& __n) |
| 392 | { |
| 393 | return _VSTD::__input_arithmetic<unsigned short>(*this, __n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | template <class _CharT, class _Traits> |
| 397 | basic_istream<_CharT, _Traits>& |
| 398 | basic_istream<_CharT, _Traits>::operator>>(unsigned int& __n) |
| 399 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 400 | return _VSTD::__input_arithmetic<unsigned int>(*this, __n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 401 | } |
| 402 | |
| 403 | template <class _CharT, class _Traits> |
| 404 | basic_istream<_CharT, _Traits>& |
| 405 | basic_istream<_CharT, _Traits>::operator>>(long& __n) |
| 406 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 407 | return _VSTD::__input_arithmetic<long>(*this, __n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | template <class _CharT, class _Traits> |
| 411 | basic_istream<_CharT, _Traits>& |
| 412 | basic_istream<_CharT, _Traits>::operator>>(unsigned long& __n) |
| 413 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 414 | return _VSTD::__input_arithmetic<unsigned long>(*this, __n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 415 | } |
| 416 | |
| 417 | template <class _CharT, class _Traits> |
| 418 | basic_istream<_CharT, _Traits>& |
| 419 | basic_istream<_CharT, _Traits>::operator>>(long long& __n) |
| 420 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 421 | return _VSTD::__input_arithmetic<long long>(*this, __n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 422 | } |
| 423 | |
| 424 | template <class _CharT, class _Traits> |
| 425 | basic_istream<_CharT, _Traits>& |
| 426 | basic_istream<_CharT, _Traits>::operator>>(unsigned long long& __n) |
| 427 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 428 | return _VSTD::__input_arithmetic<unsigned long long>(*this, __n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | template <class _CharT, class _Traits> |
| 432 | basic_istream<_CharT, _Traits>& |
| 433 | basic_istream<_CharT, _Traits>::operator>>(float& __n) |
| 434 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 435 | return _VSTD::__input_arithmetic<float>(*this, __n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 436 | } |
| 437 | |
| 438 | template <class _CharT, class _Traits> |
| 439 | basic_istream<_CharT, _Traits>& |
| 440 | basic_istream<_CharT, _Traits>::operator>>(double& __n) |
| 441 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 442 | return _VSTD::__input_arithmetic<double>(*this, __n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 443 | } |
| 444 | |
| 445 | template <class _CharT, class _Traits> |
| 446 | basic_istream<_CharT, _Traits>& |
| 447 | basic_istream<_CharT, _Traits>::operator>>(long double& __n) |
| 448 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 449 | return _VSTD::__input_arithmetic<long double>(*this, __n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 450 | } |
| 451 | |
| 452 | template <class _CharT, class _Traits> |
| 453 | basic_istream<_CharT, _Traits>& |
| 454 | basic_istream<_CharT, _Traits>::operator>>(bool& __n) |
| 455 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 456 | return _VSTD::__input_arithmetic<bool>(*this, __n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 457 | } |
| 458 | |
| 459 | template <class _CharT, class _Traits> |
| 460 | basic_istream<_CharT, _Traits>& |
| 461 | basic_istream<_CharT, _Traits>::operator>>(void*& __n) |
| 462 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 463 | return _VSTD::__input_arithmetic<void*>(*this, __n); |
| 464 | } |
| 465 | |
| 466 | template <class _Tp, class _CharT, class _Traits> |
| 467 | _LIBCPP_INLINE_VISIBILITY |
| 468 | basic_istream<_CharT, _Traits>& |
| 469 | __input_arithmetic_with_numeric_limits(basic_istream<_CharT, _Traits>& __is, _Tp& __n) { |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 470 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 471 | try |
| 472 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 473 | #endif // _LIBCPP_NO_EXCEPTIONS |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 474 | typename basic_istream<_CharT, _Traits>::sentry __s(__is); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 475 | if (__s) |
| 476 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 477 | typedef istreambuf_iterator<_CharT, _Traits> _Ip; |
| 478 | typedef num_get<_CharT, _Ip> _Fp; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 479 | ios_base::iostate __err = ios_base::goodbit; |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 480 | long __temp; |
| 481 | use_facet<_Fp>(__is.getloc()).get(_Ip(__is), _Ip(), __is, __err, __temp); |
| 482 | if (__temp < numeric_limits<_Tp>::min()) |
| 483 | { |
| 484 | __err |= ios_base::failbit; |
| 485 | __n = numeric_limits<_Tp>::min(); |
| 486 | } |
| 487 | else if (__temp > numeric_limits<_Tp>::max()) |
| 488 | { |
| 489 | __err |= ios_base::failbit; |
| 490 | __n = numeric_limits<_Tp>::max(); |
| 491 | } |
| 492 | else |
| 493 | __n = static_cast<_Tp>(__temp); |
| 494 | __is.setstate(__err); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 495 | } |
| 496 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 497 | } |
| 498 | catch (...) |
| 499 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 500 | __is.__set_badbit_and_consider_rethrow(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 501 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 502 | #endif // _LIBCPP_NO_EXCEPTIONS |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 503 | return __is; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 504 | } |
| 505 | |
| 506 | template <class _CharT, class _Traits> |
| 507 | basic_istream<_CharT, _Traits>& |
| 508 | basic_istream<_CharT, _Traits>::operator>>(short& __n) |
| 509 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 510 | return _VSTD::__input_arithmetic_with_numeric_limits<short>(*this, __n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 511 | } |
| 512 | |
| 513 | template <class _CharT, class _Traits> |
| 514 | basic_istream<_CharT, _Traits>& |
| 515 | basic_istream<_CharT, _Traits>::operator>>(int& __n) |
| 516 | { |
Louis Dionne | a1ae56c | 2018-07-25 19:40:01 +0000 | [diff] [blame] | 517 | return _VSTD::__input_arithmetic_with_numeric_limits<int>(*this, __n); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 518 | } |
| 519 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 520 | template<class _CharT, class _Traits> |
Zhihao Yuan | 580cde0 | 2018-11-21 03:30:10 +0000 | [diff] [blame] | 521 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 522 | basic_istream<_CharT, _Traits>& |
Zhihao Yuan | 580cde0 | 2018-11-21 03:30:10 +0000 | [diff] [blame] | 523 | __input_c_string(basic_istream<_CharT, _Traits>& __is, _CharT* __p, size_t __n) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 524 | { |
| 525 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 526 | try |
| 527 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 528 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 529 | typename basic_istream<_CharT, _Traits>::sentry __sen(__is); |
| 530 | if (__sen) |
| 531 | { |
Zhihao Yuan | 580cde0 | 2018-11-21 03:30:10 +0000 | [diff] [blame] | 532 | auto __s = __p; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 533 | const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 534 | ios_base::iostate __err = ios_base::goodbit; |
Zhihao Yuan | 580cde0 | 2018-11-21 03:30:10 +0000 | [diff] [blame] | 535 | while (__s != __p + (__n-1)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 536 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 537 | typename _Traits::int_type __i = __is.rdbuf()->sgetc(); |
| 538 | if (_Traits::eq_int_type(__i, _Traits::eof())) |
| 539 | { |
| 540 | __err |= ios_base::eofbit; |
| 541 | break; |
| 542 | } |
| 543 | _CharT __ch = _Traits::to_char_type(__i); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 544 | if (__ct.is(__ct.space, __ch)) |
| 545 | break; |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 546 | *__s++ = __ch; |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 547 | __is.rdbuf()->sbumpc(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 548 | } |
| 549 | *__s = _CharT(); |
| 550 | __is.width(0); |
Zhihao Yuan | 580cde0 | 2018-11-21 03:30:10 +0000 | [diff] [blame] | 551 | if (__s == __p) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 552 | __err |= ios_base::failbit; |
| 553 | __is.setstate(__err); |
| 554 | } |
| 555 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 556 | } |
| 557 | catch (...) |
| 558 | { |
| 559 | __is.__set_badbit_and_consider_rethrow(); |
| 560 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 561 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 562 | return __is; |
| 563 | } |
| 564 | |
Zhihao Yuan | 580cde0 | 2018-11-21 03:30:10 +0000 | [diff] [blame] | 565 | #if _LIBCPP_STD_VER > 17 |
| 566 | |
| 567 | template<class _CharT, class _Traits, size_t _Np> |
| 568 | inline _LIBCPP_INLINE_VISIBILITY |
| 569 | basic_istream<_CharT, _Traits>& |
| 570 | operator>>(basic_istream<_CharT, _Traits>& __is, _CharT (&__buf)[_Np]) |
| 571 | { |
| 572 | auto __n = _Np; |
| 573 | if (__is.width() > 0) |
| 574 | __n = _VSTD::min(size_t(__is.width()), _Np); |
| 575 | return _VSTD::__input_c_string(__is, __buf, __n); |
| 576 | } |
| 577 | |
| 578 | template<class _Traits, size_t _Np> |
| 579 | inline _LIBCPP_INLINE_VISIBILITY |
| 580 | basic_istream<char, _Traits>& |
| 581 | operator>>(basic_istream<char, _Traits>& __is, unsigned char (&__buf)[_Np]) |
| 582 | { |
| 583 | return __is >> (char(&)[_Np])__buf; |
| 584 | } |
| 585 | |
| 586 | template<class _Traits, size_t _Np> |
| 587 | inline _LIBCPP_INLINE_VISIBILITY |
| 588 | basic_istream<char, _Traits>& |
| 589 | operator>>(basic_istream<char, _Traits>& __is, signed char (&__buf)[_Np]) |
| 590 | { |
| 591 | return __is >> (char(&)[_Np])__buf; |
| 592 | } |
| 593 | |
| 594 | #else |
| 595 | |
| 596 | template<class _CharT, class _Traits> |
| 597 | inline _LIBCPP_INLINE_VISIBILITY |
| 598 | basic_istream<_CharT, _Traits>& |
| 599 | operator>>(basic_istream<_CharT, _Traits>& __is, _CharT* __s) |
| 600 | { |
| 601 | streamsize __n = __is.width(); |
| 602 | if (__n <= 0) |
| 603 | __n = numeric_limits<streamsize>::max() / sizeof(_CharT) - 1; |
| 604 | return _VSTD::__input_c_string(__is, __s, size_t(__n)); |
| 605 | } |
| 606 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 607 | template<class _Traits> |
Evgeniy Stepanov | 4c7ee80 | 2016-01-08 19:21:02 +0000 | [diff] [blame] | 608 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 609 | basic_istream<char, _Traits>& |
| 610 | operator>>(basic_istream<char, _Traits>& __is, unsigned char* __s) |
| 611 | { |
| 612 | return __is >> (char*)__s; |
| 613 | } |
| 614 | |
| 615 | template<class _Traits> |
Evgeniy Stepanov | 4c7ee80 | 2016-01-08 19:21:02 +0000 | [diff] [blame] | 616 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 617 | basic_istream<char, _Traits>& |
| 618 | operator>>(basic_istream<char, _Traits>& __is, signed char* __s) |
| 619 | { |
| 620 | return __is >> (char*)__s; |
| 621 | } |
| 622 | |
Zhihao Yuan | 580cde0 | 2018-11-21 03:30:10 +0000 | [diff] [blame] | 623 | #endif // _LIBCPP_STD_VER > 17 |
| 624 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 625 | template<class _CharT, class _Traits> |
| 626 | basic_istream<_CharT, _Traits>& |
| 627 | operator>>(basic_istream<_CharT, _Traits>& __is, _CharT& __c) |
| 628 | { |
| 629 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 630 | try |
| 631 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 632 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 633 | typename basic_istream<_CharT, _Traits>::sentry __sen(__is); |
| 634 | if (__sen) |
| 635 | { |
Howard Hinnant | df85e57 | 2011-02-27 18:02:02 +0000 | [diff] [blame] | 636 | typename _Traits::int_type __i = __is.rdbuf()->sbumpc(); |
| 637 | if (_Traits::eq_int_type(__i, _Traits::eof())) |
| 638 | __is.setstate(ios_base::eofbit | ios_base::failbit); |
| 639 | else |
| 640 | __c = _Traits::to_char_type(__i); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 641 | } |
| 642 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 643 | } |
| 644 | catch (...) |
| 645 | { |
| 646 | __is.__set_badbit_and_consider_rethrow(); |
| 647 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 648 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 649 | return __is; |
| 650 | } |
| 651 | |
| 652 | template<class _Traits> |
Evgeniy Stepanov | 4c7ee80 | 2016-01-08 19:21:02 +0000 | [diff] [blame] | 653 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 654 | basic_istream<char, _Traits>& |
| 655 | operator>>(basic_istream<char, _Traits>& __is, unsigned char& __c) |
| 656 | { |
| 657 | return __is >> (char&)__c; |
| 658 | } |
| 659 | |
| 660 | template<class _Traits> |
Evgeniy Stepanov | 4c7ee80 | 2016-01-08 19:21:02 +0000 | [diff] [blame] | 661 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 662 | basic_istream<char, _Traits>& |
| 663 | operator>>(basic_istream<char, _Traits>& __is, signed char& __c) |
| 664 | { |
| 665 | return __is >> (char&)__c; |
| 666 | } |
| 667 | |
| 668 | template<class _CharT, class _Traits> |
| 669 | basic_istream<_CharT, _Traits>& |
| 670 | basic_istream<_CharT, _Traits>::operator>>(basic_streambuf<char_type, traits_type>* __sb) |
| 671 | { |
| 672 | __gc_ = 0; |
| 673 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 674 | try |
| 675 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 676 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 677 | sentry __s(*this, true); |
| 678 | if (__s) |
| 679 | { |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 680 | if (__sb) |
| 681 | { |
| 682 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 683 | try |
| 684 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 685 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 686 | ios_base::iostate __err = ios_base::goodbit; |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 687 | while (true) |
| 688 | { |
| 689 | typename traits_type::int_type __i = this->rdbuf()->sgetc(); |
| 690 | if (traits_type::eq_int_type(__i, _Traits::eof())) |
| 691 | { |
| 692 | __err |= ios_base::eofbit; |
| 693 | break; |
| 694 | } |
| 695 | if (traits_type::eq_int_type( |
| 696 | __sb->sputc(traits_type::to_char_type(__i)), |
| 697 | traits_type::eof())) |
| 698 | break; |
| 699 | ++__gc_; |
| 700 | this->rdbuf()->sbumpc(); |
| 701 | } |
| 702 | if (__gc_ == 0) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 703 | __err |= ios_base::failbit; |
| 704 | this->setstate(__err); |
| 705 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 706 | } |
| 707 | catch (...) |
| 708 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 709 | if (__gc_ == 0) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 710 | this->__set_failbit_and_consider_rethrow(); |
| 711 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 712 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 713 | } |
| 714 | else |
| 715 | this->setstate(ios_base::failbit); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 716 | } |
| 717 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 718 | } |
| 719 | catch (...) |
| 720 | { |
| 721 | this->__set_badbit_and_consider_rethrow(); |
| 722 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 723 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 724 | return *this; |
| 725 | } |
| 726 | |
| 727 | template<class _CharT, class _Traits> |
| 728 | typename basic_istream<_CharT, _Traits>::int_type |
| 729 | basic_istream<_CharT, _Traits>::get() |
| 730 | { |
| 731 | __gc_ = 0; |
| 732 | int_type __r = traits_type::eof(); |
| 733 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 734 | try |
| 735 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 736 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 737 | sentry __s(*this, true); |
| 738 | if (__s) |
| 739 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 740 | __r = this->rdbuf()->sbumpc(); |
| 741 | if (traits_type::eq_int_type(__r, traits_type::eof())) |
| 742 | this->setstate(ios_base::failbit | ios_base::eofbit); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 743 | else |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 744 | __gc_ = 1; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 745 | } |
| 746 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 747 | } |
| 748 | catch (...) |
| 749 | { |
| 750 | this->__set_badbit_and_consider_rethrow(); |
| 751 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 752 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 753 | return __r; |
| 754 | } |
| 755 | |
| 756 | template<class _CharT, class _Traits> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 757 | basic_istream<_CharT, _Traits>& |
| 758 | basic_istream<_CharT, _Traits>::get(char_type* __s, streamsize __n, char_type __dlm) |
| 759 | { |
| 760 | __gc_ = 0; |
| 761 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 762 | try |
| 763 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 764 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 765 | sentry __sen(*this, true); |
| 766 | if (__sen) |
| 767 | { |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 768 | if (__n > 0) |
| 769 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 770 | ios_base::iostate __err = ios_base::goodbit; |
| 771 | while (__gc_ < __n-1) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 772 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 773 | int_type __i = this->rdbuf()->sgetc(); |
| 774 | if (traits_type::eq_int_type(__i, traits_type::eof())) |
| 775 | { |
| 776 | __err |= ios_base::eofbit; |
| 777 | break; |
| 778 | } |
| 779 | char_type __ch = traits_type::to_char_type(__i); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 780 | if (traits_type::eq(__ch, __dlm)) |
| 781 | break; |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 782 | *__s++ = __ch; |
| 783 | ++__gc_; |
| 784 | this->rdbuf()->sbumpc(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 785 | } |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 786 | if (__gc_ == 0) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 787 | __err |= ios_base::failbit; |
| 788 | this->setstate(__err); |
| 789 | } |
| 790 | else |
| 791 | this->setstate(ios_base::failbit); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 792 | } |
Volodymyr Sapsai | 68050ff | 2018-01-11 23:23:49 +0000 | [diff] [blame] | 793 | if (__n > 0) |
| 794 | *__s = char_type(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 795 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 796 | } |
| 797 | catch (...) |
| 798 | { |
Volodymyr Sapsai | 68050ff | 2018-01-11 23:23:49 +0000 | [diff] [blame] | 799 | if (__n > 0) |
| 800 | *__s = char_type(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 801 | this->__set_badbit_and_consider_rethrow(); |
| 802 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 803 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 804 | return *this; |
| 805 | } |
| 806 | |
| 807 | template<class _CharT, class _Traits> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 808 | basic_istream<_CharT, _Traits>& |
| 809 | basic_istream<_CharT, _Traits>::get(basic_streambuf<char_type, traits_type>& __sb, |
| 810 | char_type __dlm) |
| 811 | { |
| 812 | __gc_ = 0; |
| 813 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 814 | try |
| 815 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 816 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 817 | sentry __sen(*this, true); |
| 818 | if (__sen) |
| 819 | { |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 820 | ios_base::iostate __err = ios_base::goodbit; |
| 821 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 822 | try |
| 823 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 824 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 825 | while (true) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 826 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 827 | typename traits_type::int_type __i = this->rdbuf()->sgetc(); |
| 828 | if (traits_type::eq_int_type(__i, traits_type::eof())) |
| 829 | { |
| 830 | __err |= ios_base::eofbit; |
| 831 | break; |
| 832 | } |
| 833 | char_type __ch = traits_type::to_char_type(__i); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 834 | if (traits_type::eq(__ch, __dlm)) |
| 835 | break; |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 836 | if (traits_type::eq_int_type(__sb.sputc(__ch), traits_type::eof())) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 837 | break; |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 838 | ++__gc_; |
| 839 | this->rdbuf()->sbumpc(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 840 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 841 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 842 | } |
| 843 | catch (...) |
| 844 | { |
| 845 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 846 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 847 | if (__gc_ == 0) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 848 | __err |= ios_base::failbit; |
| 849 | this->setstate(__err); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 850 | } |
| 851 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 852 | } |
| 853 | catch (...) |
| 854 | { |
| 855 | this->__set_badbit_and_consider_rethrow(); |
| 856 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 857 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 858 | return *this; |
| 859 | } |
| 860 | |
| 861 | template<class _CharT, class _Traits> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 862 | basic_istream<_CharT, _Traits>& |
| 863 | basic_istream<_CharT, _Traits>::getline(char_type* __s, streamsize __n, char_type __dlm) |
| 864 | { |
| 865 | __gc_ = 0; |
| 866 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 867 | try |
| 868 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 869 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 870 | sentry __sen(*this, true); |
| 871 | if (__sen) |
| 872 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 873 | ios_base::iostate __err = ios_base::goodbit; |
| 874 | while (true) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 875 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 876 | typename traits_type::int_type __i = this->rdbuf()->sgetc(); |
| 877 | if (traits_type::eq_int_type(__i, traits_type::eof())) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 878 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 879 | __err |= ios_base::eofbit; |
| 880 | break; |
| 881 | } |
| 882 | char_type __ch = traits_type::to_char_type(__i); |
| 883 | if (traits_type::eq(__ch, __dlm)) |
| 884 | { |
| 885 | this->rdbuf()->sbumpc(); |
| 886 | ++__gc_; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 887 | break; |
| 888 | } |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 889 | if (__gc_ >= __n-1) |
| 890 | { |
| 891 | __err |= ios_base::failbit; |
| 892 | break; |
| 893 | } |
| 894 | *__s++ = __ch; |
| 895 | this->rdbuf()->sbumpc(); |
| 896 | ++__gc_; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 897 | } |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 898 | if (__gc_ == 0) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 899 | __err |= ios_base::failbit; |
| 900 | this->setstate(__err); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 901 | } |
Volodymyr Sapsai | 2744cdf | 2017-11-22 18:52:36 +0000 | [diff] [blame] | 902 | if (__n > 0) |
| 903 | *__s = char_type(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 904 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 905 | } |
| 906 | catch (...) |
| 907 | { |
Volodymyr Sapsai | 2744cdf | 2017-11-22 18:52:36 +0000 | [diff] [blame] | 908 | if (__n > 0) |
| 909 | *__s = char_type(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 910 | this->__set_badbit_and_consider_rethrow(); |
| 911 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 912 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 913 | return *this; |
| 914 | } |
| 915 | |
| 916 | template<class _CharT, class _Traits> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 917 | basic_istream<_CharT, _Traits>& |
| 918 | basic_istream<_CharT, _Traits>::ignore(streamsize __n, int_type __dlm) |
| 919 | { |
| 920 | __gc_ = 0; |
| 921 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 922 | try |
| 923 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 924 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 925 | sentry __sen(*this, true); |
| 926 | if (__sen) |
| 927 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 928 | ios_base::iostate __err = ios_base::goodbit; |
| 929 | if (__n == numeric_limits<streamsize>::max()) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 930 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 931 | while (true) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 932 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 933 | typename traits_type::int_type __i = this->rdbuf()->sbumpc(); |
| 934 | if (traits_type::eq_int_type(__i, traits_type::eof())) |
| 935 | { |
| 936 | __err |= ios_base::eofbit; |
| 937 | break; |
| 938 | } |
| 939 | ++__gc_; |
Howard Hinnant | 11b8718 | 2013-07-01 00:37:50 +0000 | [diff] [blame] | 940 | if (traits_type::eq_int_type(__i, __dlm)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 941 | break; |
| 942 | } |
| 943 | } |
| 944 | else |
| 945 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 946 | while (__gc_ < __n) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 947 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 948 | typename traits_type::int_type __i = this->rdbuf()->sbumpc(); |
| 949 | if (traits_type::eq_int_type(__i, traits_type::eof())) |
| 950 | { |
| 951 | __err |= ios_base::eofbit; |
| 952 | break; |
| 953 | } |
| 954 | ++__gc_; |
Howard Hinnant | 11b8718 | 2013-07-01 00:37:50 +0000 | [diff] [blame] | 955 | if (traits_type::eq_int_type(__i, __dlm)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 956 | break; |
| 957 | } |
| 958 | } |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 959 | this->setstate(__err); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 960 | } |
| 961 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 962 | } |
| 963 | catch (...) |
| 964 | { |
| 965 | this->__set_badbit_and_consider_rethrow(); |
| 966 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 967 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 968 | return *this; |
| 969 | } |
| 970 | |
| 971 | template<class _CharT, class _Traits> |
| 972 | typename basic_istream<_CharT, _Traits>::int_type |
| 973 | basic_istream<_CharT, _Traits>::peek() |
| 974 | { |
| 975 | __gc_ = 0; |
| 976 | int_type __r = traits_type::eof(); |
| 977 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 978 | try |
| 979 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 980 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 981 | sentry __sen(*this, true); |
| 982 | if (__sen) |
Howard Hinnant | 73c85c7 | 2012-11-01 17:32:07 +0000 | [diff] [blame] | 983 | { |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 984 | __r = this->rdbuf()->sgetc(); |
Howard Hinnant | 73c85c7 | 2012-11-01 17:32:07 +0000 | [diff] [blame] | 985 | if (traits_type::eq_int_type(__r, traits_type::eof())) |
| 986 | this->setstate(ios_base::eofbit); |
| 987 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 988 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 989 | } |
| 990 | catch (...) |
| 991 | { |
| 992 | this->__set_badbit_and_consider_rethrow(); |
| 993 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 994 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 995 | return __r; |
| 996 | } |
| 997 | |
| 998 | template<class _CharT, class _Traits> |
| 999 | basic_istream<_CharT, _Traits>& |
| 1000 | basic_istream<_CharT, _Traits>::read(char_type* __s, streamsize __n) |
| 1001 | { |
| 1002 | __gc_ = 0; |
| 1003 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1004 | try |
| 1005 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1006 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1007 | sentry __sen(*this, true); |
| 1008 | if (__sen) |
| 1009 | { |
Howard Hinnant | cc7bdae | 2013-03-06 19:27:56 +0000 | [diff] [blame] | 1010 | __gc_ = this->rdbuf()->sgetn(__s, __n); |
| 1011 | if (__gc_ != __n) |
| 1012 | this->setstate(ios_base::failbit | ios_base::eofbit); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1013 | } |
| 1014 | else |
| 1015 | this->setstate(ios_base::failbit); |
| 1016 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1017 | } |
| 1018 | catch (...) |
| 1019 | { |
| 1020 | this->__set_badbit_and_consider_rethrow(); |
| 1021 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1022 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1023 | return *this; |
| 1024 | } |
| 1025 | |
| 1026 | template<class _CharT, class _Traits> |
| 1027 | streamsize |
| 1028 | basic_istream<_CharT, _Traits>::readsome(char_type* __s, streamsize __n) |
| 1029 | { |
Howard Hinnant | ee717d8 | 2012-12-20 15:40:28 +0000 | [diff] [blame] | 1030 | __gc_ = 0; |
Marshall Clow | a80de49 | 2016-07-13 16:58:48 +0000 | [diff] [blame] | 1031 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1032 | try |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1033 | { |
Marshall Clow | a80de49 | 2016-07-13 16:58:48 +0000 | [diff] [blame] | 1034 | #endif // _LIBCPP_NO_EXCEPTIONS |
| 1035 | sentry __sen(*this, true); |
| 1036 | if (__sen) |
| 1037 | { |
| 1038 | streamsize __c = this->rdbuf()->in_avail(); |
| 1039 | switch (__c) |
| 1040 | { |
| 1041 | case -1: |
| 1042 | this->setstate(ios_base::eofbit); |
| 1043 | break; |
| 1044 | case 0: |
| 1045 | break; |
| 1046 | default: |
| 1047 | read(__s, _VSTD::min(__c, __n)); |
| 1048 | break; |
| 1049 | } |
| 1050 | } |
| 1051 | else |
| 1052 | this->setstate(ios_base::failbit); |
| 1053 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1054 | } |
Marshall Clow | a80de49 | 2016-07-13 16:58:48 +0000 | [diff] [blame] | 1055 | catch (...) |
| 1056 | { |
| 1057 | this->__set_badbit_and_consider_rethrow(); |
| 1058 | } |
| 1059 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1060 | return __gc_; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1061 | } |
| 1062 | |
| 1063 | template<class _CharT, class _Traits> |
| 1064 | basic_istream<_CharT, _Traits>& |
| 1065 | basic_istream<_CharT, _Traits>::putback(char_type __c) |
| 1066 | { |
| 1067 | __gc_ = 0; |
| 1068 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1069 | try |
| 1070 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1071 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | 37bdf0e | 2012-08-24 22:03:03 +0000 | [diff] [blame] | 1072 | this->clear(this->rdstate() & ~ios_base::eofbit); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1073 | sentry __sen(*this, true); |
| 1074 | if (__sen) |
| 1075 | { |
| 1076 | if (this->rdbuf() == 0 || this->rdbuf()->sputbackc(__c) == traits_type::eof()) |
| 1077 | this->setstate(ios_base::badbit); |
| 1078 | } |
| 1079 | else |
| 1080 | this->setstate(ios_base::failbit); |
| 1081 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1082 | } |
| 1083 | catch (...) |
| 1084 | { |
| 1085 | this->__set_badbit_and_consider_rethrow(); |
| 1086 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1087 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1088 | return *this; |
| 1089 | } |
| 1090 | |
| 1091 | template<class _CharT, class _Traits> |
| 1092 | basic_istream<_CharT, _Traits>& |
| 1093 | basic_istream<_CharT, _Traits>::unget() |
| 1094 | { |
| 1095 | __gc_ = 0; |
| 1096 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1097 | try |
| 1098 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1099 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | 37bdf0e | 2012-08-24 22:03:03 +0000 | [diff] [blame] | 1100 | this->clear(this->rdstate() & ~ios_base::eofbit); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1101 | sentry __sen(*this, true); |
| 1102 | if (__sen) |
| 1103 | { |
| 1104 | if (this->rdbuf() == 0 || this->rdbuf()->sungetc() == traits_type::eof()) |
| 1105 | this->setstate(ios_base::badbit); |
| 1106 | } |
| 1107 | else |
| 1108 | this->setstate(ios_base::failbit); |
| 1109 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1110 | } |
| 1111 | catch (...) |
| 1112 | { |
| 1113 | this->__set_badbit_and_consider_rethrow(); |
| 1114 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1115 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1116 | return *this; |
| 1117 | } |
| 1118 | |
| 1119 | template<class _CharT, class _Traits> |
| 1120 | int |
| 1121 | basic_istream<_CharT, _Traits>::sync() |
| 1122 | { |
| 1123 | int __r = 0; |
| 1124 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1125 | try |
| 1126 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1127 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1128 | sentry __sen(*this, true); |
| 1129 | if (__sen) |
| 1130 | { |
| 1131 | if (this->rdbuf() == 0) |
| 1132 | return -1; |
| 1133 | if (this->rdbuf()->pubsync() == -1) |
| 1134 | { |
| 1135 | this->setstate(ios_base::badbit); |
| 1136 | return -1; |
| 1137 | } |
| 1138 | } |
| 1139 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1140 | } |
| 1141 | catch (...) |
| 1142 | { |
| 1143 | this->__set_badbit_and_consider_rethrow(); |
| 1144 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1145 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1146 | return __r; |
| 1147 | } |
| 1148 | |
| 1149 | template<class _CharT, class _Traits> |
| 1150 | typename basic_istream<_CharT, _Traits>::pos_type |
| 1151 | basic_istream<_CharT, _Traits>::tellg() |
| 1152 | { |
| 1153 | pos_type __r(-1); |
| 1154 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1155 | try |
| 1156 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1157 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1158 | sentry __sen(*this, true); |
| 1159 | if (__sen) |
| 1160 | __r = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::in); |
| 1161 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1162 | } |
| 1163 | catch (...) |
| 1164 | { |
| 1165 | this->__set_badbit_and_consider_rethrow(); |
| 1166 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1167 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1168 | return __r; |
| 1169 | } |
| 1170 | |
| 1171 | template<class _CharT, class _Traits> |
| 1172 | basic_istream<_CharT, _Traits>& |
| 1173 | basic_istream<_CharT, _Traits>::seekg(pos_type __pos) |
| 1174 | { |
| 1175 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1176 | try |
| 1177 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1178 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | 37bdf0e | 2012-08-24 22:03:03 +0000 | [diff] [blame] | 1179 | this->clear(this->rdstate() & ~ios_base::eofbit); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1180 | sentry __sen(*this, true); |
| 1181 | if (__sen) |
Marshall Clow | 76a8670 | 2013-10-31 22:20:45 +0000 | [diff] [blame] | 1182 | { |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1183 | if (this->rdbuf()->pubseekpos(__pos, ios_base::in) == pos_type(-1)) |
| 1184 | this->setstate(ios_base::failbit); |
Marshall Clow | 76a8670 | 2013-10-31 22:20:45 +0000 | [diff] [blame] | 1185 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1186 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1187 | } |
| 1188 | catch (...) |
| 1189 | { |
| 1190 | this->__set_badbit_and_consider_rethrow(); |
| 1191 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1192 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1193 | return *this; |
| 1194 | } |
| 1195 | |
| 1196 | template<class _CharT, class _Traits> |
| 1197 | basic_istream<_CharT, _Traits>& |
| 1198 | basic_istream<_CharT, _Traits>::seekg(off_type __off, ios_base::seekdir __dir) |
| 1199 | { |
| 1200 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1201 | try |
| 1202 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1203 | #endif // _LIBCPP_NO_EXCEPTIONS |
Marshall Clow | dbef2bb | 2015-10-25 18:31:51 +0000 | [diff] [blame] | 1204 | this->clear(this->rdstate() & ~ios_base::eofbit); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1205 | sentry __sen(*this, true); |
| 1206 | if (__sen) |
Marshall Clow | 76a8670 | 2013-10-31 22:20:45 +0000 | [diff] [blame] | 1207 | { |
| 1208 | if (this->rdbuf()->pubseekoff(__off, __dir, ios_base::in) == pos_type(-1)) |
| 1209 | this->setstate(ios_base::failbit); |
| 1210 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1211 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1212 | } |
| 1213 | catch (...) |
| 1214 | { |
| 1215 | this->__set_badbit_and_consider_rethrow(); |
| 1216 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1217 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1218 | return *this; |
| 1219 | } |
| 1220 | |
| 1221 | template <class _CharT, class _Traits> |
| 1222 | basic_istream<_CharT, _Traits>& |
| 1223 | ws(basic_istream<_CharT, _Traits>& __is) |
| 1224 | { |
| 1225 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1226 | try |
| 1227 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1228 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1229 | typename basic_istream<_CharT, _Traits>::sentry __sen(__is, true); |
| 1230 | if (__sen) |
| 1231 | { |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1232 | const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1233 | while (true) |
| 1234 | { |
| 1235 | typename _Traits::int_type __i = __is.rdbuf()->sgetc(); |
| 1236 | if (_Traits::eq_int_type(__i, _Traits::eof())) |
| 1237 | { |
| 1238 | __is.setstate(ios_base::eofbit); |
| 1239 | break; |
| 1240 | } |
| 1241 | if (!__ct.is(__ct.space, _Traits::to_char_type(__i))) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1242 | break; |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1243 | __is.rdbuf()->sbumpc(); |
| 1244 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1245 | } |
| 1246 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1247 | } |
| 1248 | catch (...) |
| 1249 | { |
| 1250 | __is.__set_badbit_and_consider_rethrow(); |
| 1251 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1252 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1253 | return __is; |
| 1254 | } |
| 1255 | |
Eric Fiselier | e915b5c | 2017-04-18 23:38:41 +0000 | [diff] [blame] | 1256 | #ifndef _LIBCPP_CXX03_LANG |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1257 | |
| 1258 | template <class _CharT, class _Traits, class _Tp> |
Evgeniy Stepanov | 4c7ee80 | 2016-01-08 19:21:02 +0000 | [diff] [blame] | 1259 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1260 | basic_istream<_CharT, _Traits>& |
Eric Fiselier | 7f630e8 | 2016-07-24 04:07:22 +0000 | [diff] [blame] | 1261 | operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp&& __x) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1262 | { |
Eric Fiselier | 7f630e8 | 2016-07-24 04:07:22 +0000 | [diff] [blame] | 1263 | __is >> _VSTD::forward<_Tp>(__x); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1264 | return __is; |
| 1265 | } |
| 1266 | |
Eric Fiselier | e915b5c | 2017-04-18 23:38:41 +0000 | [diff] [blame] | 1267 | #endif // _LIBCPP_CXX03_LANG |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1268 | |
| 1269 | template <class _CharT, class _Traits> |
Eric Fiselier | c3589a8 | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 1270 | class _LIBCPP_TEMPLATE_VIS basic_iostream |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1271 | : public basic_istream<_CharT, _Traits>, |
| 1272 | public basic_ostream<_CharT, _Traits> |
| 1273 | { |
| 1274 | public: |
| 1275 | // types: |
| 1276 | typedef _CharT char_type; |
| 1277 | typedef _Traits traits_type; |
| 1278 | typedef typename traits_type::int_type int_type; |
| 1279 | typedef typename traits_type::pos_type pos_type; |
| 1280 | typedef typename traits_type::off_type off_type; |
| 1281 | |
| 1282 | // constructor/destructor |
Louis Dionne | 3845a65 | 2018-10-16 19:26:23 +0000 | [diff] [blame] | 1283 | inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 1284 | explicit basic_iostream(basic_streambuf<char_type, traits_type>* __sb) |
| 1285 | : basic_istream<_CharT, _Traits>(__sb) |
| 1286 | {} |
| 1287 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1288 | virtual ~basic_iostream(); |
| 1289 | protected: |
Eric Fiselier | e915b5c | 2017-04-18 23:38:41 +0000 | [diff] [blame] | 1290 | #ifndef _LIBCPP_CXX03_LANG |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 1291 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1292 | basic_iostream(basic_iostream&& __rhs); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1293 | |
| 1294 | // assign/swap |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 1295 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1296 | basic_iostream& operator=(basic_iostream&& __rhs); |
| 1297 | #endif |
Louis Dionne | 3845a65 | 2018-10-16 19:26:23 +0000 | [diff] [blame] | 1298 | inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 |
Eric Fiselier | 6dbed46 | 2016-09-16 00:00:48 +0000 | [diff] [blame] | 1299 | void swap(basic_iostream& __rhs) |
| 1300 | { basic_istream<char_type, traits_type>::swap(__rhs); } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1301 | public: |
| 1302 | }; |
| 1303 | |
Eric Fiselier | e915b5c | 2017-04-18 23:38:41 +0000 | [diff] [blame] | 1304 | #ifndef _LIBCPP_CXX03_LANG |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1305 | |
| 1306 | template <class _CharT, class _Traits> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1307 | basic_iostream<_CharT, _Traits>::basic_iostream(basic_iostream&& __rhs) |
Howard Hinnant | 0949eed | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1308 | : basic_istream<_CharT, _Traits>(_VSTD::move(__rhs)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1309 | { |
| 1310 | } |
| 1311 | |
| 1312 | template <class _CharT, class _Traits> |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1313 | basic_iostream<_CharT, _Traits>& |
| 1314 | basic_iostream<_CharT, _Traits>::operator=(basic_iostream&& __rhs) |
| 1315 | { |
| 1316 | swap(__rhs); |
| 1317 | return *this; |
| 1318 | } |
| 1319 | |
Eric Fiselier | e915b5c | 2017-04-18 23:38:41 +0000 | [diff] [blame] | 1320 | #endif // _LIBCPP_CXX03_LANG |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1321 | |
| 1322 | template <class _CharT, class _Traits> |
| 1323 | basic_iostream<_CharT, _Traits>::~basic_iostream() |
| 1324 | { |
| 1325 | } |
| 1326 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1327 | template<class _CharT, class _Traits, class _Allocator> |
| 1328 | basic_istream<_CharT, _Traits>& |
| 1329 | operator>>(basic_istream<_CharT, _Traits>& __is, |
| 1330 | basic_string<_CharT, _Traits, _Allocator>& __str) |
| 1331 | { |
| 1332 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1333 | try |
| 1334 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1335 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1336 | typename basic_istream<_CharT, _Traits>::sentry __sen(__is); |
| 1337 | if (__sen) |
| 1338 | { |
| 1339 | __str.clear(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1340 | streamsize __n = __is.width(); |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1341 | if (__n <= 0) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1342 | __n = __str.max_size(); |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1343 | if (__n <= 0) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1344 | __n = numeric_limits<streamsize>::max(); |
| 1345 | streamsize __c = 0; |
| 1346 | const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1347 | ios_base::iostate __err = ios_base::goodbit; |
| 1348 | while (__c < __n) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1349 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1350 | typename _Traits::int_type __i = __is.rdbuf()->sgetc(); |
| 1351 | if (_Traits::eq_int_type(__i, _Traits::eof())) |
| 1352 | { |
| 1353 | __err |= ios_base::eofbit; |
| 1354 | break; |
| 1355 | } |
| 1356 | _CharT __ch = _Traits::to_char_type(__i); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1357 | if (__ct.is(__ct.space, __ch)) |
| 1358 | break; |
| 1359 | __str.push_back(__ch); |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1360 | ++__c; |
| 1361 | __is.rdbuf()->sbumpc(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1362 | } |
| 1363 | __is.width(0); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1364 | if (__c == 0) |
| 1365 | __err |= ios_base::failbit; |
| 1366 | __is.setstate(__err); |
| 1367 | } |
| 1368 | else |
| 1369 | __is.setstate(ios_base::failbit); |
| 1370 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1371 | } |
| 1372 | catch (...) |
| 1373 | { |
| 1374 | __is.__set_badbit_and_consider_rethrow(); |
| 1375 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1376 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1377 | return __is; |
| 1378 | } |
| 1379 | |
| 1380 | template<class _CharT, class _Traits, class _Allocator> |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1381 | basic_istream<_CharT, _Traits>& |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1382 | getline(basic_istream<_CharT, _Traits>& __is, |
| 1383 | basic_string<_CharT, _Traits, _Allocator>& __str, _CharT __dlm) |
| 1384 | { |
| 1385 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1386 | try |
| 1387 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1388 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1389 | typename basic_istream<_CharT, _Traits>::sentry __sen(__is, true); |
| 1390 | if (__sen) |
| 1391 | { |
| 1392 | __str.clear(); |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1393 | ios_base::iostate __err = ios_base::goodbit; |
Howard Hinnant | b97de44 | 2011-10-09 15:20:46 +0000 | [diff] [blame] | 1394 | streamsize __extr = 0; |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1395 | while (true) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1396 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1397 | typename _Traits::int_type __i = __is.rdbuf()->sbumpc(); |
| 1398 | if (_Traits::eq_int_type(__i, _Traits::eof())) |
| 1399 | { |
| 1400 | __err |= ios_base::eofbit; |
| 1401 | break; |
| 1402 | } |
Howard Hinnant | b97de44 | 2011-10-09 15:20:46 +0000 | [diff] [blame] | 1403 | ++__extr; |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1404 | _CharT __ch = _Traits::to_char_type(__i); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1405 | if (_Traits::eq(__ch, __dlm)) |
| 1406 | break; |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1407 | __str.push_back(__ch); |
| 1408 | if (__str.size() == __str.max_size()) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1409 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1410 | __err |= ios_base::failbit; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1411 | break; |
| 1412 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1413 | } |
Howard Hinnant | b97de44 | 2011-10-09 15:20:46 +0000 | [diff] [blame] | 1414 | if (__extr == 0) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1415 | __err |= ios_base::failbit; |
| 1416 | __is.setstate(__err); |
| 1417 | } |
| 1418 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1419 | } |
| 1420 | catch (...) |
| 1421 | { |
| 1422 | __is.__set_badbit_and_consider_rethrow(); |
| 1423 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1424 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1425 | return __is; |
| 1426 | } |
| 1427 | |
| 1428 | template<class _CharT, class _Traits, class _Allocator> |
Evgeniy Stepanov | 4c7ee80 | 2016-01-08 19:21:02 +0000 | [diff] [blame] | 1429 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1430 | basic_istream<_CharT, _Traits>& |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1431 | getline(basic_istream<_CharT, _Traits>& __is, |
| 1432 | basic_string<_CharT, _Traits, _Allocator>& __str) |
| 1433 | { |
| 1434 | return getline(__is, __str, __is.widen('\n')); |
| 1435 | } |
| 1436 | |
Eric Fiselier | e915b5c | 2017-04-18 23:38:41 +0000 | [diff] [blame] | 1437 | #ifndef _LIBCPP_CXX03_LANG |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1438 | |
| 1439 | template<class _CharT, class _Traits, class _Allocator> |
Evgeniy Stepanov | 4c7ee80 | 2016-01-08 19:21:02 +0000 | [diff] [blame] | 1440 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1441 | basic_istream<_CharT, _Traits>& |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1442 | getline(basic_istream<_CharT, _Traits>&& __is, |
| 1443 | basic_string<_CharT, _Traits, _Allocator>& __str, _CharT __dlm) |
| 1444 | { |
| 1445 | return getline(__is, __str, __dlm); |
| 1446 | } |
| 1447 | |
| 1448 | template<class _CharT, class _Traits, class _Allocator> |
Evgeniy Stepanov | 4c7ee80 | 2016-01-08 19:21:02 +0000 | [diff] [blame] | 1449 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1450 | basic_istream<_CharT, _Traits>& |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1451 | getline(basic_istream<_CharT, _Traits>&& __is, |
| 1452 | basic_string<_CharT, _Traits, _Allocator>& __str) |
| 1453 | { |
| 1454 | return getline(__is, __str, __is.widen('\n')); |
| 1455 | } |
| 1456 | |
Eric Fiselier | e915b5c | 2017-04-18 23:38:41 +0000 | [diff] [blame] | 1457 | #endif // _LIBCPP_CXX03_LANG |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1458 | |
| 1459 | template <class _CharT, class _Traits, size_t _Size> |
| 1460 | basic_istream<_CharT, _Traits>& |
| 1461 | operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Size>& __x) |
| 1462 | { |
| 1463 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1464 | try |
| 1465 | { |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1466 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1467 | typename basic_istream<_CharT, _Traits>::sentry __sen(__is); |
| 1468 | if (__sen) |
| 1469 | { |
| 1470 | basic_string<_CharT, _Traits> __str; |
| 1471 | const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); |
Eric Fiselier | 50f6579 | 2016-12-24 00:24:44 +0000 | [diff] [blame] | 1472 | size_t __c = 0; |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1473 | ios_base::iostate __err = ios_base::goodbit; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1474 | _CharT __zero = __ct.widen('0'); |
| 1475 | _CharT __one = __ct.widen('1'); |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1476 | while (__c < _Size) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1477 | { |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1478 | typename _Traits::int_type __i = __is.rdbuf()->sgetc(); |
| 1479 | if (_Traits::eq_int_type(__i, _Traits::eof())) |
| 1480 | { |
| 1481 | __err |= ios_base::eofbit; |
| 1482 | break; |
| 1483 | } |
| 1484 | _CharT __ch = _Traits::to_char_type(__i); |
| 1485 | if (!_Traits::eq(__ch, __zero) && !_Traits::eq(__ch, __one)) |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1486 | break; |
| 1487 | __str.push_back(__ch); |
Howard Hinnant | 92a836c | 2011-09-01 21:02:45 +0000 | [diff] [blame] | 1488 | ++__c; |
| 1489 | __is.rdbuf()->sbumpc(); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1490 | } |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1491 | __x = bitset<_Size>(__str); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1492 | if (__c == 0) |
| 1493 | __err |= ios_base::failbit; |
| 1494 | __is.setstate(__err); |
| 1495 | } |
| 1496 | else |
| 1497 | __is.setstate(ios_base::failbit); |
| 1498 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1499 | } |
| 1500 | catch (...) |
| 1501 | { |
| 1502 | __is.__set_badbit_and_consider_rethrow(); |
| 1503 | } |
Howard Hinnant | 324bb03 | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1504 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1505 | return __is; |
| 1506 | } |
| 1507 | |
Louis Dionne | caae3ec | 2018-12-06 00:24:58 +0000 | [diff] [blame] | 1508 | #ifndef _LIBCPP_DO_NOT_ASSUME_STREAMS_EXPLICIT_INSTANTIATION_IN_DYLIB |
Eric Fiselier | 833d644 | 2016-09-15 22:27:07 +0000 | [diff] [blame] | 1509 | _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_istream<char>) |
| 1510 | _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_istream<wchar_t>) |
| 1511 | _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_iostream<char>) |
Mehdi Amini | 907c119 | 2017-05-04 17:08:54 +0000 | [diff] [blame] | 1512 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1513 | |
| 1514 | _LIBCPP_END_NAMESPACE_STD |
| 1515 | |
Eric Fiselier | 018a3d5 | 2017-05-31 22:07:49 +0000 | [diff] [blame] | 1516 | _LIBCPP_POP_MACROS |
| 1517 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1518 | #endif // _LIBCPP_ISTREAM |