Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 1 | //===------------------------- string.cpp ---------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "string" |
| 11 | #include "cstdlib" |
| 12 | #include "cwchar" |
| 13 | #include "cerrno" |
Howard Hinnant | 6cd05ee | 2011-09-23 16:11:27 +0000 | [diff] [blame^] | 14 | #if _WIN32 |
| 15 | #include "support/win32/support.h" |
| 16 | #endif // _WIN32 |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 17 | |
| 18 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 19 | |
| 20 | template class __basic_string_common<true>; |
| 21 | |
| 22 | template class basic_string<char>; |
| 23 | template class basic_string<wchar_t>; |
| 24 | |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 25 | template |
| 26 | string |
| 27 | operator+<char, char_traits<char>, allocator<char> >(char const*, string const&); |
| 28 | |
| 29 | int |
| 30 | stoi(const string& str, size_t* idx, int base) |
| 31 | { |
| 32 | char* ptr; |
| 33 | const char* const p = str.c_str(); |
| 34 | long r = strtol(p, &ptr, base); |
| 35 | if (r < numeric_limits<int>::min() || numeric_limits<int>::max() < r) |
| 36 | ptr = const_cast<char*>(p); |
| 37 | if (ptr == p) |
| 38 | { |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 39 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 40 | if (r == 0) |
| 41 | throw invalid_argument("stoi: no conversion"); |
| 42 | throw out_of_range("stoi: out of range"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 43 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 44 | } |
| 45 | if (idx) |
| 46 | *idx = static_cast<size_t>(ptr - p); |
| 47 | return static_cast<int>(r); |
| 48 | } |
| 49 | |
| 50 | int |
| 51 | stoi(const wstring& str, size_t* idx, int base) |
| 52 | { |
| 53 | wchar_t* ptr; |
| 54 | const wchar_t* const p = str.c_str(); |
| 55 | long r = wcstol(p, &ptr, base); |
| 56 | if (r < numeric_limits<int>::min() || numeric_limits<int>::max() < r) |
| 57 | ptr = const_cast<wchar_t*>(p); |
| 58 | if (ptr == p) |
| 59 | { |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 60 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 61 | if (r == 0) |
| 62 | throw invalid_argument("stoi: no conversion"); |
| 63 | throw out_of_range("stoi: out of range"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 64 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 65 | } |
| 66 | if (idx) |
| 67 | *idx = static_cast<size_t>(ptr - p); |
| 68 | return static_cast<int>(r); |
| 69 | } |
| 70 | |
| 71 | long |
| 72 | stol(const string& str, size_t* idx, int base) |
| 73 | { |
| 74 | char* ptr; |
| 75 | const char* const p = str.c_str(); |
| 76 | long r = strtol(p, &ptr, base); |
| 77 | if (ptr == p) |
| 78 | { |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 79 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 80 | if (r == 0) |
| 81 | throw invalid_argument("stol: no conversion"); |
| 82 | throw out_of_range("stol: out of range"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 83 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 84 | } |
| 85 | if (idx) |
| 86 | *idx = static_cast<size_t>(ptr - p); |
| 87 | return r; |
| 88 | } |
| 89 | |
| 90 | long |
| 91 | stol(const wstring& str, size_t* idx, int base) |
| 92 | { |
| 93 | wchar_t* ptr; |
| 94 | const wchar_t* const p = str.c_str(); |
| 95 | long r = wcstol(p, &ptr, base); |
| 96 | if (ptr == p) |
| 97 | { |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 98 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 99 | if (r == 0) |
| 100 | throw invalid_argument("stol: no conversion"); |
| 101 | throw out_of_range("stol: out of range"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 102 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 103 | } |
| 104 | if (idx) |
| 105 | *idx = static_cast<size_t>(ptr - p); |
| 106 | return r; |
| 107 | } |
| 108 | |
| 109 | unsigned long |
| 110 | stoul(const string& str, size_t* idx, int base) |
| 111 | { |
| 112 | char* ptr; |
| 113 | const char* const p = str.c_str(); |
| 114 | unsigned long r = strtoul(p, &ptr, base); |
| 115 | if (ptr == p) |
| 116 | { |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 117 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 118 | if (r == 0) |
| 119 | throw invalid_argument("stoul: no conversion"); |
| 120 | throw out_of_range("stoul: out of range"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 121 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 122 | } |
| 123 | if (idx) |
| 124 | *idx = static_cast<size_t>(ptr - p); |
| 125 | return r; |
| 126 | } |
| 127 | |
| 128 | unsigned long |
| 129 | stoul(const wstring& str, size_t* idx, int base) |
| 130 | { |
| 131 | wchar_t* ptr; |
| 132 | const wchar_t* const p = str.c_str(); |
| 133 | unsigned long r = wcstoul(p, &ptr, base); |
| 134 | if (ptr == p) |
| 135 | { |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 136 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 137 | if (r == 0) |
| 138 | throw invalid_argument("stoul: no conversion"); |
| 139 | throw out_of_range("stoul: out of range"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 140 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 141 | } |
| 142 | if (idx) |
| 143 | *idx = static_cast<size_t>(ptr - p); |
| 144 | return r; |
| 145 | } |
| 146 | |
| 147 | long long |
| 148 | stoll(const string& str, size_t* idx, int base) |
| 149 | { |
| 150 | char* ptr; |
| 151 | const char* const p = str.c_str(); |
| 152 | long long r = strtoll(p, &ptr, base); |
| 153 | if (ptr == p) |
| 154 | { |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 155 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 156 | if (r == 0) |
| 157 | throw invalid_argument("stoll: no conversion"); |
| 158 | throw out_of_range("stoll: out of range"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 159 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 160 | } |
| 161 | if (idx) |
| 162 | *idx = static_cast<size_t>(ptr - p); |
| 163 | return r; |
| 164 | } |
| 165 | |
| 166 | long long |
| 167 | stoll(const wstring& str, size_t* idx, int base) |
| 168 | { |
| 169 | wchar_t* ptr; |
| 170 | const wchar_t* const p = str.c_str(); |
| 171 | long long r = wcstoll(p, &ptr, base); |
| 172 | if (ptr == p) |
| 173 | { |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 174 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 175 | if (r == 0) |
| 176 | throw invalid_argument("stoll: no conversion"); |
| 177 | throw out_of_range("stoll: out of range"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 178 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 179 | } |
| 180 | if (idx) |
| 181 | *idx = static_cast<size_t>(ptr - p); |
| 182 | return r; |
| 183 | } |
| 184 | |
| 185 | unsigned long long |
| 186 | stoull(const string& str, size_t* idx, int base) |
| 187 | { |
| 188 | char* ptr; |
| 189 | const char* const p = str.c_str(); |
| 190 | unsigned long long r = strtoull(p, &ptr, base); |
| 191 | if (ptr == p) |
| 192 | { |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 193 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 194 | if (r == 0) |
| 195 | throw invalid_argument("stoull: no conversion"); |
| 196 | throw out_of_range("stoull: out of range"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 197 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 198 | } |
| 199 | if (idx) |
| 200 | *idx = static_cast<size_t>(ptr - p); |
| 201 | return r; |
| 202 | } |
| 203 | |
| 204 | unsigned long long |
| 205 | stoull(const wstring& str, size_t* idx, int base) |
| 206 | { |
| 207 | wchar_t* ptr; |
| 208 | const wchar_t* const p = str.c_str(); |
| 209 | unsigned long long r = wcstoull(p, &ptr, base); |
| 210 | if (ptr == p) |
| 211 | { |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 212 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 213 | if (r == 0) |
| 214 | throw invalid_argument("stoull: no conversion"); |
| 215 | throw out_of_range("stoull: out of range"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 216 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 217 | } |
| 218 | if (idx) |
| 219 | *idx = static_cast<size_t>(ptr - p); |
| 220 | return r; |
| 221 | } |
| 222 | |
| 223 | float |
| 224 | stof(const string& str, size_t* idx) |
| 225 | { |
| 226 | char* ptr; |
| 227 | const char* const p = str.c_str(); |
| 228 | int errno_save = errno; |
| 229 | errno = 0; |
| 230 | double r = strtod(p, &ptr); |
| 231 | swap(errno, errno_save); |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 232 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 233 | if (errno_save == ERANGE) |
| 234 | throw out_of_range("stof: out of range"); |
| 235 | if (ptr == p) |
| 236 | throw invalid_argument("stof: no conversion"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 237 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 238 | if (idx) |
| 239 | *idx = static_cast<size_t>(ptr - p); |
| 240 | return static_cast<float>(r); |
| 241 | } |
| 242 | |
| 243 | float |
| 244 | stof(const wstring& str, size_t* idx) |
| 245 | { |
| 246 | wchar_t* ptr; |
| 247 | const wchar_t* const p = str.c_str(); |
| 248 | int errno_save = errno; |
| 249 | errno = 0; |
| 250 | double r = wcstod(p, &ptr); |
| 251 | swap(errno, errno_save); |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 252 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 253 | if (errno_save == ERANGE) |
| 254 | throw out_of_range("stof: out of range"); |
| 255 | if (ptr == p) |
| 256 | throw invalid_argument("stof: no conversion"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 257 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 258 | if (idx) |
| 259 | *idx = static_cast<size_t>(ptr - p); |
| 260 | return static_cast<float>(r); |
| 261 | } |
| 262 | |
| 263 | double |
| 264 | stod(const string& str, size_t* idx) |
| 265 | { |
| 266 | char* ptr; |
| 267 | const char* const p = str.c_str(); |
| 268 | int errno_save = errno; |
| 269 | errno = 0; |
| 270 | double r = strtod(p, &ptr); |
| 271 | swap(errno, errno_save); |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 272 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 273 | if (errno_save == ERANGE) |
| 274 | throw out_of_range("stod: out of range"); |
| 275 | if (ptr == p) |
| 276 | throw invalid_argument("stod: no conversion"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 277 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 278 | if (idx) |
| 279 | *idx = static_cast<size_t>(ptr - p); |
| 280 | return r; |
| 281 | } |
| 282 | |
| 283 | double |
| 284 | stod(const wstring& str, size_t* idx) |
| 285 | { |
| 286 | wchar_t* ptr; |
| 287 | const wchar_t* const p = str.c_str(); |
| 288 | int errno_save = errno; |
| 289 | errno = 0; |
| 290 | double r = wcstod(p, &ptr); |
| 291 | swap(errno, errno_save); |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 292 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 293 | if (errno_save == ERANGE) |
| 294 | throw out_of_range("stod: out of range"); |
| 295 | if (ptr == p) |
| 296 | throw invalid_argument("stod: no conversion"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 297 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 298 | if (idx) |
| 299 | *idx = static_cast<size_t>(ptr - p); |
| 300 | return r; |
| 301 | } |
| 302 | |
| 303 | long double |
| 304 | stold(const string& str, size_t* idx) |
| 305 | { |
| 306 | char* ptr; |
| 307 | const char* const p = str.c_str(); |
| 308 | int errno_save = errno; |
| 309 | errno = 0; |
| 310 | long double r = strtold(p, &ptr); |
| 311 | swap(errno, errno_save); |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 312 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 313 | if (errno_save == ERANGE) |
| 314 | throw out_of_range("stold: out of range"); |
| 315 | if (ptr == p) |
| 316 | throw invalid_argument("stold: no conversion"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 317 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 318 | if (idx) |
| 319 | *idx = static_cast<size_t>(ptr - p); |
| 320 | return r; |
| 321 | } |
| 322 | |
| 323 | long double |
| 324 | stold(const wstring& str, size_t* idx) |
| 325 | { |
| 326 | wchar_t* ptr; |
| 327 | const wchar_t* const p = str.c_str(); |
| 328 | int errno_save = errno; |
| 329 | errno = 0; |
| 330 | long double r = wcstold(p, &ptr); |
| 331 | swap(errno, errno_save); |
Howard Hinnant | d444470 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 332 | #ifndef _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 333 | if (errno_save == ERANGE) |
| 334 | throw out_of_range("stold: out of range"); |
| 335 | if (ptr == p) |
| 336 | throw invalid_argument("stold: no conversion"); |
Howard Hinnant | 16e6e1d | 2010-08-22 00:03:27 +0000 | [diff] [blame] | 337 | #endif // _LIBCPP_NO_EXCEPTIONS |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 338 | if (idx) |
| 339 | *idx = static_cast<size_t>(ptr - p); |
| 340 | return r; |
| 341 | } |
| 342 | |
| 343 | string to_string(int val) |
| 344 | { |
| 345 | string s; |
| 346 | s.resize(s.capacity()); |
| 347 | while (true) |
| 348 | { |
| 349 | int n2 = snprintf(&s[0], s.size()+1, "%d", val); |
| 350 | if (n2 <= s.size()) |
| 351 | { |
| 352 | s.resize(n2); |
| 353 | break; |
| 354 | } |
| 355 | s.resize(n2); |
| 356 | } |
| 357 | return s; |
| 358 | } |
| 359 | |
| 360 | string to_string(unsigned val) |
| 361 | { |
| 362 | string s; |
| 363 | s.resize(s.capacity()); |
| 364 | while (true) |
| 365 | { |
| 366 | int n2 = snprintf(&s[0], s.size()+1, "%u", val); |
| 367 | if (n2 <= s.size()) |
| 368 | { |
| 369 | s.resize(n2); |
| 370 | break; |
| 371 | } |
| 372 | s.resize(n2); |
| 373 | } |
| 374 | return s; |
| 375 | } |
| 376 | |
| 377 | string to_string(long val) |
| 378 | { |
| 379 | string s; |
| 380 | s.resize(s.capacity()); |
| 381 | while (true) |
| 382 | { |
| 383 | int n2 = snprintf(&s[0], s.size()+1, "%ld", val); |
| 384 | if (n2 <= s.size()) |
| 385 | { |
| 386 | s.resize(n2); |
| 387 | break; |
| 388 | } |
| 389 | s.resize(n2); |
| 390 | } |
| 391 | return s; |
| 392 | } |
| 393 | |
| 394 | string to_string(unsigned long val) |
| 395 | { |
| 396 | string s; |
| 397 | s.resize(s.capacity()); |
| 398 | while (true) |
| 399 | { |
| 400 | int n2 = snprintf(&s[0], s.size()+1, "%lu", val); |
| 401 | if (n2 <= s.size()) |
| 402 | { |
| 403 | s.resize(n2); |
| 404 | break; |
| 405 | } |
| 406 | s.resize(n2); |
| 407 | } |
| 408 | return s; |
| 409 | } |
| 410 | |
| 411 | string to_string(long long val) |
| 412 | { |
| 413 | string s; |
| 414 | s.resize(s.capacity()); |
| 415 | while (true) |
| 416 | { |
| 417 | int n2 = snprintf(&s[0], s.size()+1, "%lld", val); |
| 418 | if (n2 <= s.size()) |
| 419 | { |
| 420 | s.resize(n2); |
| 421 | break; |
| 422 | } |
| 423 | s.resize(n2); |
| 424 | } |
| 425 | return s; |
| 426 | } |
| 427 | |
| 428 | string to_string(unsigned long long val) |
| 429 | { |
| 430 | string s; |
| 431 | s.resize(s.capacity()); |
| 432 | while (true) |
| 433 | { |
| 434 | int n2 = snprintf(&s[0], s.size()+1, "%llu", val); |
| 435 | if (n2 <= s.size()) |
| 436 | { |
| 437 | s.resize(n2); |
| 438 | break; |
| 439 | } |
| 440 | s.resize(n2); |
| 441 | } |
| 442 | return s; |
| 443 | } |
| 444 | |
| 445 | string to_string(float val) |
| 446 | { |
| 447 | string s; |
| 448 | s.resize(s.capacity()); |
| 449 | while (true) |
| 450 | { |
| 451 | int n2 = snprintf(&s[0], s.size()+1, "%f", val); |
| 452 | if (n2 <= s.size()) |
| 453 | { |
| 454 | s.resize(n2); |
| 455 | break; |
| 456 | } |
| 457 | s.resize(n2); |
| 458 | } |
| 459 | return s; |
| 460 | } |
| 461 | |
| 462 | string to_string(double val) |
| 463 | { |
| 464 | string s; |
| 465 | s.resize(s.capacity()); |
| 466 | while (true) |
| 467 | { |
| 468 | int n2 = snprintf(&s[0], s.size()+1, "%f", val); |
| 469 | if (n2 <= s.size()) |
| 470 | { |
| 471 | s.resize(n2); |
| 472 | break; |
| 473 | } |
| 474 | s.resize(n2); |
| 475 | } |
| 476 | return s; |
| 477 | } |
| 478 | |
| 479 | string to_string(long double val) |
| 480 | { |
| 481 | string s; |
| 482 | s.resize(s.capacity()); |
| 483 | while (true) |
| 484 | { |
| 485 | int n2 = snprintf(&s[0], s.size()+1, "%Lf", val); |
| 486 | if (n2 <= s.size()) |
| 487 | { |
| 488 | s.resize(n2); |
| 489 | break; |
| 490 | } |
| 491 | s.resize(n2); |
| 492 | } |
| 493 | return s; |
| 494 | } |
| 495 | |
| 496 | wstring to_wstring(int val) |
| 497 | { |
| 498 | const size_t n = (numeric_limits<int>::digits / 3) |
| 499 | + ((numeric_limits<int>::digits % 3) != 0) |
| 500 | + 1; |
| 501 | wstring s(n, wchar_t()); |
| 502 | s.resize(s.capacity()); |
| 503 | while (true) |
| 504 | { |
| 505 | int n2 = swprintf(&s[0], s.size()+1, L"%d", val); |
| 506 | if (n2 > 0) |
| 507 | { |
| 508 | s.resize(n2); |
| 509 | break; |
| 510 | } |
| 511 | s.resize(2*s.size()); |
| 512 | s.resize(s.capacity()); |
| 513 | } |
| 514 | return s; |
| 515 | } |
| 516 | |
| 517 | wstring to_wstring(unsigned val) |
| 518 | { |
| 519 | const size_t n = (numeric_limits<unsigned>::digits / 3) |
| 520 | + ((numeric_limits<unsigned>::digits % 3) != 0) |
| 521 | + 1; |
| 522 | wstring s(n, wchar_t()); |
| 523 | s.resize(s.capacity()); |
| 524 | while (true) |
| 525 | { |
| 526 | int n2 = swprintf(&s[0], s.size()+1, L"%u", val); |
| 527 | if (n2 > 0) |
| 528 | { |
| 529 | s.resize(n2); |
| 530 | break; |
| 531 | } |
| 532 | s.resize(2*s.size()); |
| 533 | s.resize(s.capacity()); |
| 534 | } |
| 535 | return s; |
| 536 | } |
| 537 | |
| 538 | wstring to_wstring(long val) |
| 539 | { |
| 540 | const size_t n = (numeric_limits<long>::digits / 3) |
| 541 | + ((numeric_limits<long>::digits % 3) != 0) |
| 542 | + 1; |
| 543 | wstring s(n, wchar_t()); |
| 544 | s.resize(s.capacity()); |
| 545 | while (true) |
| 546 | { |
| 547 | int n2 = swprintf(&s[0], s.size()+1, L"%ld", val); |
| 548 | if (n2 > 0) |
| 549 | { |
| 550 | s.resize(n2); |
| 551 | break; |
| 552 | } |
| 553 | s.resize(2*s.size()); |
| 554 | s.resize(s.capacity()); |
| 555 | } |
| 556 | return s; |
| 557 | } |
| 558 | |
| 559 | wstring to_wstring(unsigned long val) |
| 560 | { |
| 561 | const size_t n = (numeric_limits<unsigned long>::digits / 3) |
| 562 | + ((numeric_limits<unsigned long>::digits % 3) != 0) |
| 563 | + 1; |
| 564 | wstring s(n, wchar_t()); |
| 565 | s.resize(s.capacity()); |
| 566 | while (true) |
| 567 | { |
| 568 | int n2 = swprintf(&s[0], s.size()+1, L"%lu", val); |
| 569 | if (n2 > 0) |
| 570 | { |
| 571 | s.resize(n2); |
| 572 | break; |
| 573 | } |
| 574 | s.resize(2*s.size()); |
| 575 | s.resize(s.capacity()); |
| 576 | } |
| 577 | return s; |
| 578 | } |
| 579 | |
| 580 | wstring to_wstring(long long val) |
| 581 | { |
| 582 | const size_t n = (numeric_limits<long long>::digits / 3) |
| 583 | + ((numeric_limits<long long>::digits % 3) != 0) |
| 584 | + 1; |
| 585 | wstring s(n, wchar_t()); |
| 586 | s.resize(s.capacity()); |
| 587 | while (true) |
| 588 | { |
| 589 | int n2 = swprintf(&s[0], s.size()+1, L"%lld", val); |
| 590 | if (n2 > 0) |
| 591 | { |
| 592 | s.resize(n2); |
| 593 | break; |
| 594 | } |
| 595 | s.resize(2*s.size()); |
| 596 | s.resize(s.capacity()); |
| 597 | } |
| 598 | return s; |
| 599 | } |
| 600 | |
| 601 | wstring to_wstring(unsigned long long val) |
| 602 | { |
| 603 | const size_t n = (numeric_limits<unsigned long long>::digits / 3) |
| 604 | + ((numeric_limits<unsigned long long>::digits % 3) != 0) |
| 605 | + 1; |
| 606 | wstring s(n, wchar_t()); |
| 607 | s.resize(s.capacity()); |
| 608 | while (true) |
| 609 | { |
| 610 | int n2 = swprintf(&s[0], s.size()+1, L"%llu", val); |
| 611 | if (n2 > 0) |
| 612 | { |
| 613 | s.resize(n2); |
| 614 | break; |
| 615 | } |
| 616 | s.resize(2*s.size()); |
| 617 | s.resize(s.capacity()); |
| 618 | } |
| 619 | return s; |
| 620 | } |
| 621 | |
| 622 | wstring to_wstring(float val) |
| 623 | { |
| 624 | const size_t n = 20; |
| 625 | wstring s(n, wchar_t()); |
| 626 | s.resize(s.capacity()); |
| 627 | while (true) |
| 628 | { |
| 629 | int n2 = swprintf(&s[0], s.size()+1, L"%f", val); |
| 630 | if (n2 > 0) |
| 631 | { |
| 632 | s.resize(n2); |
| 633 | break; |
| 634 | } |
| 635 | s.resize(2*s.size()); |
| 636 | s.resize(s.capacity()); |
| 637 | } |
| 638 | return s; |
| 639 | } |
| 640 | |
| 641 | wstring to_wstring(double val) |
| 642 | { |
| 643 | const size_t n = 20; |
| 644 | wstring s(n, wchar_t()); |
| 645 | s.resize(s.capacity()); |
| 646 | while (true) |
| 647 | { |
| 648 | int n2 = swprintf(&s[0], s.size()+1, L"%f", val); |
| 649 | if (n2 > 0) |
| 650 | { |
| 651 | s.resize(n2); |
| 652 | break; |
| 653 | } |
| 654 | s.resize(2*s.size()); |
| 655 | s.resize(s.capacity()); |
| 656 | } |
| 657 | return s; |
| 658 | } |
| 659 | |
| 660 | wstring to_wstring(long double val) |
| 661 | { |
| 662 | const size_t n = 20; |
| 663 | wstring s(n, wchar_t()); |
| 664 | s.resize(s.capacity()); |
| 665 | while (true) |
| 666 | { |
| 667 | int n2 = swprintf(&s[0], s.size()+1, L"%Lf", val); |
| 668 | if (n2 > 0) |
| 669 | { |
| 670 | s.resize(n2); |
| 671 | break; |
| 672 | } |
| 673 | s.resize(2*s.size()); |
| 674 | s.resize(s.capacity()); |
| 675 | } |
| 676 | return s; |
| 677 | } |
| 678 | |
| 679 | _LIBCPP_END_NAMESPACE_STD |