Changeset c729a60 in mainline for uspace/lib/cpp/include/internal/locale/num_put.hpp
- Timestamp:
- 2018-07-05T21:41:19Z (7 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 5732648
- Parents:
- 9cb221b
- git-author:
- Dzejrou <dzejrou@…> (2017-12-17 14:54:03)
- git-committer:
- Dzejrou <dzejrou@…> (2018-07-05 21:41:19)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
uspace/lib/cpp/include/internal/locale/num_put.hpp
r9cb221b rc729a60 48 48 using iter_type = OutputIterator; 49 49 50 explicit num_put(size_t refs = 0); 50 explicit num_put(size_t refs = 0) 51 { /* DUMMY BODY */ } 51 52 52 53 iter_type put(iter_type it, ios_base& base, char_type fill, bool v) const … … 90 91 } 91 92 92 ~num_put(); 93 ~num_put() 94 { /* DUMMY BODY */ } 93 95 94 96 protected: … … 112 114 iter_type do_put(iter_type it, ios_base& base, char_type fill, long v) const 113 115 { 114 // TODO: implement 116 auto basefield = (base.flags() & ios_base::basefield); 117 auto uppercase = (base.flags() & ios_base::uppercase); 118 119 int ret{}; 120 if (basefield == ios_base::oct) 121 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%lo", v); 122 else if ((basefield == ios_base::hex) && !uppercase) 123 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%lx", v); 124 else if (basefield == ios_base::hex) 125 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%lX", v); 126 else 127 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%ld", v); 128 129 return put_adjusted_buffer_(it, base, fill, ret); 115 130 } 116 131 117 132 iter_type do_put(iter_type it, ios_base& base, char_type fill, long long v) const 118 133 { 119 // TODO: implement 134 auto basefield = (base.flags() & ios_base::basefield); 135 auto uppercase = (base.flags() & ios_base::uppercase); 136 137 int ret{}; 138 if (basefield == ios_base::oct) 139 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%llo", v); 140 else if ((basefield == ios_base::hex) && !uppercase) 141 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%llx", v); 142 else if (basefield == ios_base::hex) 143 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%llX", v); 144 else 145 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%lld", v); 146 147 return put_adjusted_buffer_(it, base, fill, ret); 120 148 } 121 149 122 150 iter_type do_put(iter_type it, ios_base& base, char_type fill, unsigned long v) const 123 151 { 124 // TODO: implement 152 auto basefield = (base.flags() & ios_base::basefield); 153 auto uppercase = (base.flags() & ios_base::uppercase); 154 155 int ret{}; 156 if (basefield == ios_base::oct) 157 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%lo", v); 158 else if ((basefield == ios_base::hex) && !uppercase) 159 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%lx", v); 160 else if (basefield == ios_base::hex) 161 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%lX", v); 162 else 163 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%lu", v); 164 165 return put_adjusted_buffer_(it, base, fill, ret); 125 166 } 126 167 127 168 iter_type do_put(iter_type it, ios_base& base, char_type fill, unsigned long long v) const 128 169 { 129 // TODO: implement 170 auto basefield = (base.flags() & ios_base::basefield); 171 auto uppercase = (base.flags() & ios_base::uppercase); 172 173 // TODO: showbase 174 int ret{}; 175 if (basefield == ios_base::oct) 176 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%llo", v); 177 else if ((basefield == ios_base::hex) && !uppercase) 178 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%llx", v); 179 else if (basefield == ios_base::hex) 180 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%llX", v); 181 else 182 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%llu", v); 183 184 return put_adjusted_buffer_(it, base, fill, ret); 130 185 } 131 186 132 187 iter_type do_put(iter_type it, ios_base& base, char_type fill, double v) const 133 188 { 134 // TODO: implement 189 auto floatfield = (base.flags() & ios_base::floatfield); 190 auto uppercase = (base.flags() & ios_base::uppercase); 191 192 // TODO: showbase 193 // TODO: precision 194 int ret{}; 195 if (floatfield == ios_base::fixed) 196 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%f", v); 197 else if (floatfield == ios_base::scientific && !uppercase) 198 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%e", v); 199 else if (floatfield == ios_base::scientific) 200 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%E", v); 201 else if (floatfield == (ios_base::fixed | ios_base::scientific) && !uppercase) 202 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%a", v); 203 else if (floatfield == (ios_base::fixed | ios_base::scientific)) 204 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%A", v); 205 else if (!uppercase) 206 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%g", v); 207 else 208 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%G", v); 209 210 return put_adjusted_buffer_(it, base, fill, ret); 135 211 } 136 212 137 213 iter_type do_put(iter_type it, ios_base& base, char_type fill, long double v) const 138 214 { 139 // TODO: implement 215 /** 216 * Note: Long double is not support at the moment in snprintf. 217 */ 218 auto floatfield = (base.flags() & ios_base::floatfield); 219 auto uppercase = (base.flags() & ios_base::uppercase); 220 221 // TODO: showbase 222 // TODO: precision 223 int ret{}; 224 if (floatfield == ios_base::fixed) 225 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%Lf", v); 226 else if (floatfield == ios_base::scientific && !uppercase) 227 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%Le", v); 228 else if (floatfield == ios_base::scientific) 229 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%LE", v); 230 else if (floatfield == (ios_base::fixed | ios_base::scientific) && !uppercase) 231 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%La", v); 232 else if (floatfield == (ios_base::fixed | ios_base::scientific)) 233 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%LA", v); 234 else if (!uppercase) 235 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%Lg", v); 236 else 237 ret = snprintf(base.buffer_, ios_base::buffer_size_, "%LG", v); 238 239 return put_adjusted_buffer_(it, base, fill, ret); 140 240 } 141 241 142 242 iter_type do_put(iter_type it, ios_base& base, char_type fill, const void* v) const 143 243 { 144 // TODO: implement 244 int ret = snprintf(base.buffer_, ios_base::buffer_size_, "%p", v); 245 246 return put_adjusted_buffer_(it, base, fill, ret); 247 } 248 249 private: 250 iter_type put_adjusted_buffer_(iter_type it, ios_base& base, char_type fill, size_t size) const 251 { 252 auto adjustfield = (base.flags() & ios_base::adjustfield); 253 254 size_t to_fill{}; 255 size_t width = static_cast<size_t>(base.width()); 256 257 if (base.width() > 0 && size < width) 258 to_fill = width - size; 259 260 if (to_fill > 0) 261 { 262 if (adjustfield == ios_base::left) 263 { 264 it = put_buffer_(it, base, fill, 0, size); 265 for (size_t i = 0; i < to_fill; ++i) 266 *it++ = fill; 267 } 268 else if (adjustfield == ios_base::right) 269 { 270 for (size_t i = 0; i < to_fill; ++i) 271 *it++ = fill; 272 it = put_buffer_(it, base, fill, 0, size); 273 } 274 else if (adjustfield == ios_base::internal) 275 { 276 // TODO: pad after - or 0x/0X 277 } 278 else 279 { 280 for (size_t i = 0; i < to_fill; ++i) 281 *it++ = fill; 282 it = put_buffer_(it, base, fill, 0, size); 283 } 284 } 285 else 286 it = put_buffer_(it, base, fill, 0, size); 287 base.width(0); 288 289 return it; 290 } 291 292 iter_type put_buffer_(iter_type it, ios_base& base, char_type fill, size_t start, size_t size) const 293 { 294 const auto& loc = base.getloc(); 295 const auto& ct = use_facet<ctype<char_type>>(loc); 296 const auto& punct = use_facet<numpunct<char_type>>(loc); 297 298 for (size_t i = start; i < size; ++i) 299 { 300 if (base.buffer_[i] == '.') 301 *it++ = punct.decimal_point(); 302 else 303 *it++ = ct.widen(base.buffer_[i]); 304 // TODO: Should do grouping & thousands_sep, but that's a low 305 // priority for now. 306 } 307 308 return it; 145 309 } 146 310 };
Note:
See TracChangeset
for help on using the changeset viewer.
