src/detail/format_args.cpp
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boost::urls::detail::get_uvalue(boost::core::basic_string_view<char>)
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boost::urls::detail::get_uvalue(char)
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boost::urls::detail::formatter<boost::core::basic_string_view<char>, void>::parse(boost::urls::detail::format_parse_context&)
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boost::urls::detail::formatter<boost::core::basic_string_view<char>, void>::measure(boost::core::basic_string_view<char>, boost::urls::detail::measure_context&, boost::urls::grammar::lut_chars const&) const
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boost::urls::detail::formatter<boost::core::basic_string_view<char>, void>::format(boost::core::basic_string_view<char>, boost::urls::detail::format_context&, boost::urls::grammar::lut_chars const&) const
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boost::urls::detail::get_width_from_args(unsigned long, boost::core::basic_string_view<char>, boost::urls::detail::format_args, unsigned long&)
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boost::urls::detail::integer_formatter_impl::parse(boost::urls::detail::format_parse_context&)
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boost::urls::detail::integer_formatter_impl::measure(long long, boost::urls::detail::measure_context&, boost::urls::grammar::lut_chars const&) const
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boost::urls::detail::integer_formatter_impl::measure(unsigned long long, boost::urls::detail::measure_context&, boost::urls::grammar::lut_chars const&) const
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boost::urls::detail::integer_formatter_impl::format(long long, boost::urls::detail::format_context&, boost::urls::grammar::lut_chars const&) const
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boost::urls::detail::integer_formatter_impl::format(unsigned long long, boost::urls::detail::format_context&, boost::urls::grammar::lut_chars const&) const
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| Line | TLA | Hits | Source Code |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com) | ||
| 3 | // | ||
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| 6 | // | ||
| 7 | // Official repository: https://github.com/boostorg/url | ||
| 8 | // | ||
| 9 | |||
| 10 | |||
| 11 | #include <boost/url/detail/config.hpp> | ||
| 12 | #include <boost/url/encode.hpp> | ||
| 13 | #include <boost/url/detail/format_args.hpp> | ||
| 14 | #include "boost/url/detail/replacement_field_rule.hpp" | ||
| 15 | #include <boost/url/grammar/delim_rule.hpp> | ||
| 16 | #include <boost/url/grammar/optional_rule.hpp> | ||
| 17 | #include <boost/url/grammar/parse.hpp> | ||
| 18 | #include <boost/url/grammar/tuple_rule.hpp> | ||
| 19 | #include <boost/url/grammar/unsigned_rule.hpp> | ||
| 20 | |||
| 21 | namespace boost { | ||
| 22 | namespace urls { | ||
| 23 | namespace detail { | ||
| 24 | |||
| 25 | std::size_t | ||
| 26 | 68x | get_uvalue( core::string_view a ) | |
| 27 | { | ||
| 28 | 68x | core::string_view str(a); | |
| 29 | 68x | auto rv = grammar::parse( | |
| 30 | 68x | str, grammar::unsigned_rule<std::size_t>{}); | |
| 31 | 68x | if (rv) | |
| 32 | 2x | return *rv; | |
| 33 | 66x | return 0; | |
| 34 | } | ||
| 35 | |||
| 36 | std::size_t | ||
| 37 | 68x | get_uvalue( char a ) | |
| 38 | { | ||
| 39 | 68x | core::string_view str(&a, 1); | |
| 40 | 136x | return get_uvalue(str); | |
| 41 | } | ||
| 42 | |||
| 43 | char const* | ||
| 44 | 451x | formatter<core::string_view>:: | |
| 45 | parse(format_parse_context& ctx) | ||
| 46 | { | ||
| 47 | 451x | char const* it = ctx.begin(); | |
| 48 | 451x | char const* end = ctx.end(); | |
| 49 | 451x | BOOST_ASSERT(it != end); | |
| 50 | |||
| 51 | // fill / align | ||
| 52 | 451x | if (end - it > 2) | |
| 53 | { | ||
| 54 | 121x | if (*it != '{' && | |
| 55 | 121x | *it != '}' && | |
| 56 | 23x | (*(it + 1) == '<' || | |
| 57 | 21x | *(it + 1) == '>' || | |
| 58 | 9x | *(it + 1) == '^')) | |
| 59 | { | ||
| 60 | 18x | fill = *it; | |
| 61 | 18x | align = *(it + 1); | |
| 62 | 18x | it += 2; | |
| 63 | } | ||
| 64 | } | ||
| 65 | |||
| 66 | // align | ||
| 67 | 451x | if (align == '\0' && | |
| 68 | 433x | (*it == '<' || | |
| 69 | 433x | *it == '>' || | |
| 70 | 433x | *it == '^')) | |
| 71 | { | ||
| 72 | 4x | align = *it++; | |
| 73 | } | ||
| 74 | |||
| 75 | // width | ||
| 76 | 451x | char const* it0 = it; | |
| 77 | 451x | constexpr auto width_rule = | |
| 78 | grammar::variant_rule( | ||
| 79 | grammar::unsigned_rule<std::size_t>{}, | ||
| 80 | grammar::tuple_rule( | ||
| 81 | grammar::squelch( | ||
| 82 | grammar::delim_rule('{')), | ||
| 83 | grammar::optional_rule( | ||
| 84 | arg_id_rule), | ||
| 85 | grammar::squelch( | ||
| 86 | grammar::delim_rule('}')))); | ||
| 87 | 451x | auto rw = grammar::parse(it, end, width_rule); | |
| 88 | 451x | if (!rw) | |
| 89 | { | ||
| 90 | // rewind | ||
| 91 | 429x | it = it0; | |
| 92 | } | ||
| 93 | 22x | else if (align != '\0') | |
| 94 | { | ||
| 95 | // width is ignored when align is '\0' | ||
| 96 | 22x | if (rw->index() == 0) | |
| 97 | { | ||
| 98 | // unsigned_rule | ||
| 99 | 12x | width = variant2::get<0>(*rw); | |
| 100 | } | ||
| 101 | else | ||
| 102 | { | ||
| 103 | // arg_id: store the id idx or string | ||
| 104 | 10x | auto& arg_id = variant2::get<1>(*rw); | |
| 105 | 10x | if (!arg_id) | |
| 106 | { | ||
| 107 | // empty arg_id, use and consume | ||
| 108 | // the next arg idx | ||
| 109 | 2x | width_idx = ctx.next_arg_id(); | |
| 110 | } | ||
| 111 | 8x | else if (arg_id->index() == 0) | |
| 112 | { | ||
| 113 | // string identifier | ||
| 114 | 4x | width_name = variant2::get<0>(*arg_id); | |
| 115 | } | ||
| 116 | else | ||
| 117 | { | ||
| 118 | // integer identifier: use the | ||
| 119 | // idx of this format_arg | ||
| 120 | 4x | width_idx = variant2::get<1>(*arg_id); | |
| 121 | } | ||
| 122 | } | ||
| 123 | } | ||
| 124 | |||
| 125 | // type is parsed but doesn't have to | ||
| 126 | // be stored for strings | ||
| 127 | 451x | if (*it == 'c' || | |
| 128 | 448x | *it == 's') | |
| 129 | { | ||
| 130 | 25x | ++it; | |
| 131 | } | ||
| 132 | |||
| 133 | // we should have arrived at the end now | ||
| 134 | 451x | if (*it != '}') | |
| 135 | { | ||
| 136 | 1x | urls::detail::throw_invalid_argument(); | |
| 137 | } | ||
| 138 | |||
| 139 | 450x | return it; | |
| 140 | } | ||
| 141 | |||
| 142 | std::size_t | ||
| 143 | 226x | formatter<core::string_view>:: | |
| 144 | measure( | ||
| 145 | core::string_view str, | ||
| 146 | measure_context& ctx, | ||
| 147 | grammar::lut_chars const& cs) const | ||
| 148 | { | ||
| 149 | 226x | std::size_t w = width; | |
| 150 | 449x | if (width_idx != std::size_t(-1) || | |
| 151 | 223x | !width_name.empty()) | |
| 152 | { | ||
| 153 | 5x | get_width_from_args( | |
| 154 | 5x | width_idx, width_name, ctx.args(), w); | |
| 155 | } | ||
| 156 | |||
| 157 | 226x | std::size_t n = ctx.out(); | |
| 158 | 226x | if (str.size() < w) | |
| 159 | 10x | n += measure_one(fill, cs) * (w - str.size()); | |
| 160 | |||
| 161 | 226x | return n + encoded_size(str, cs); | |
| 162 | } | ||
| 163 | |||
| 164 | char* | ||
| 165 | 224x | formatter<core::string_view>:: | |
| 166 | format(core::string_view str, format_context& ctx, grammar::lut_chars const& cs) const | ||
| 167 | { | ||
| 168 | 224x | std::size_t w = width; | |
| 169 | 445x | if (width_idx != std::size_t(-1) || | |
| 170 | 221x | !width_name.empty()) | |
| 171 | { | ||
| 172 | 5x | get_width_from_args( | |
| 173 | 5x | width_idx, width_name, ctx.args(), w); | |
| 174 | } | ||
| 175 | |||
| 176 | 224x | std::size_t lpad = 0; | |
| 177 | 224x | std::size_t rpad = 0; | |
| 178 | 224x | if (str.size() < w) | |
| 179 | { | ||
| 180 | 10x | std::size_t pad = w - str.size(); | |
| 181 | 10x | switch (align) | |
| 182 | { | ||
| 183 | 1x | case '<': | |
| 184 | 1x | rpad = pad; | |
| 185 | 1x | break; | |
| 186 | 6x | case '>': | |
| 187 | 6x | lpad = pad; | |
| 188 | 6x | break; | |
| 189 | 3x | case '^': | |
| 190 | 3x | lpad = pad / 2; | |
| 191 | 3x | rpad = pad - lpad; | |
| 192 | 3x | break; | |
| 193 | } | ||
| 194 | } | ||
| 195 | |||
| 196 | // unsafe `encode`, assuming `out` has | ||
| 197 | // enough capacity | ||
| 198 | 224x | char* out = ctx.out(); | |
| 199 | 252x | for (std::size_t i = 0; i < lpad; ++i) | |
| 200 | 28x | encode_one(out, fill, cs); | |
| 201 | 1252x | for (char c: str) | |
| 202 | 1028x | encode_one(out, c, cs); | |
| 203 | 232x | for (std::size_t i = 0; i < rpad; ++i) | |
| 204 | 8x | encode_one(out, fill, cs); | |
| 205 | 224x | return out; | |
| 206 | } | ||
| 207 | |||
| 208 | void | ||
| 209 | 28x | get_width_from_args( | |
| 210 | std::size_t arg_idx, | ||
| 211 | core::string_view arg_name, | ||
| 212 | format_args args, | ||
| 213 | std::size_t& w) | ||
| 214 | { | ||
| 215 | // check arg_id | ||
| 216 | 28x | format_arg warg; | |
| 217 | 28x | if (arg_idx != std::size_t(-1)) | |
| 218 | { | ||
| 219 | // identifier | ||
| 220 | 18x | warg = args.get(arg_idx); | |
| 221 | } | ||
| 222 | else | ||
| 223 | { | ||
| 224 | // unsigned integer | ||
| 225 | 10x | warg = args.get(arg_name); | |
| 226 | } | ||
| 227 | |||
| 228 | // get unsigned int value from that format arg | ||
| 229 | 28x | w = warg.value(); | |
| 230 | 28x | } | |
| 231 | |||
| 232 | char const* | ||
| 233 | 115x | integer_formatter_impl:: | |
| 234 | parse(format_parse_context& ctx) | ||
| 235 | { | ||
| 236 | 115x | char const* it = ctx.begin(); | |
| 237 | 115x | char const* end = ctx.end(); | |
| 238 | 115x | BOOST_ASSERT(it != end); | |
| 239 | |||
| 240 | // fill / align | ||
| 241 | 115x | if (end - it > 2) | |
| 242 | { | ||
| 243 | 57x | if (*it != '{' && | |
| 244 | 57x | *it != '}' && | |
| 245 | 53x | (*(it + 1) == '<' || | |
| 246 | 49x | *(it + 1) == '>' || | |
| 247 | 27x | *(it + 1) == '^')) | |
| 248 | { | ||
| 249 | 30x | fill = *it; | |
| 250 | 30x | align = *(it + 1); | |
| 251 | 30x | it += 2; | |
| 252 | } | ||
| 253 | } | ||
| 254 | |||
| 255 | // align | ||
| 256 | 115x | if (align == '\0' && | |
| 257 | 85x | (*it == '<' || | |
| 258 | 85x | *it == '>' || | |
| 259 | 77x | *it == '^')) | |
| 260 | { | ||
| 261 | 12x | align = *it++; | |
| 262 | } | ||
| 263 | |||
| 264 | // sign | ||
| 265 | 115x | if (*it == '+' || | |
| 266 | 109x | *it == '-' || | |
| 267 | 109x | *it == ' ') | |
| 268 | { | ||
| 269 | 12x | sign = *it++; | |
| 270 | } | ||
| 271 | |||
| 272 | // # | ||
| 273 | 115x | if (*it == '#') | |
| 274 | { | ||
| 275 | // alternate form not supported | ||
| 276 | 2x | ++it; | |
| 277 | } | ||
| 278 | |||
| 279 | // 0 | ||
| 280 | 115x | if (*it == '0') | |
| 281 | { | ||
| 282 | 8x | zeros = *it++; | |
| 283 | } | ||
| 284 | |||
| 285 | // width | ||
| 286 | 115x | char const* it0 = it; | |
| 287 | 115x | constexpr auto width_rule = grammar::variant_rule( | |
| 288 | grammar::unsigned_rule<std::size_t>{}, | ||
| 289 | grammar::tuple_rule( | ||
| 290 | grammar::squelch( | ||
| 291 | grammar::delim_rule('{')), | ||
| 292 | grammar::optional_rule( | ||
| 293 | arg_id_rule), | ||
| 294 | grammar::squelch( | ||
| 295 | grammar::delim_rule('}')))); | ||
| 296 | 115x | auto rw = grammar::parse(it, end, width_rule); | |
| 297 | 115x | if (!rw) | |
| 298 | { | ||
| 299 | // rewind | ||
| 300 | 73x | it = it0; | |
| 301 | } | ||
| 302 | 42x | else if (align != '\0') | |
| 303 | { | ||
| 304 | // width is ignored when align is '\0' | ||
| 305 | 42x | if (rw->index() == 0) | |
| 306 | { | ||
| 307 | // unsigned_rule | ||
| 308 | 24x | width = variant2::get<0>(*rw); | |
| 309 | } | ||
| 310 | else | ||
| 311 | { | ||
| 312 | // arg_id: store the id idx or string | ||
| 313 | 18x | auto& arg_id = variant2::get<1>(*rw); | |
| 314 | 18x | if (!arg_id) | |
| 315 | { | ||
| 316 | // empty arg_id, use and consume | ||
| 317 | // the next arg idx | ||
| 318 | 4x | width_idx = ctx.next_arg_id(); | |
| 319 | } | ||
| 320 | 14x | else if (arg_id->index() == 0) | |
| 321 | { | ||
| 322 | // string identifier | ||
| 323 | 6x | width_name = variant2::get<0>(*arg_id); | |
| 324 | } | ||
| 325 | else | ||
| 326 | { | ||
| 327 | // integer identifier: use the | ||
| 328 | // idx of this format_arg | ||
| 329 | 8x | width_idx = variant2::get<1>(*arg_id); | |
| 330 | } | ||
| 331 | } | ||
| 332 | } | ||
| 333 | |||
| 334 | // type is parsed but doesn't have to | ||
| 335 | // be stored for strings | ||
| 336 | 115x | if (*it == 'd') | |
| 337 | { | ||
| 338 | // we don't include other presentation | ||
| 339 | // modes for integers as they are not | ||
| 340 | // recommended or generally used in | ||
| 341 | // urls | ||
| 342 | 55x | ++it; | |
| 343 | } | ||
| 344 | |||
| 345 | // we should have arrived at the end now | ||
| 346 | 115x | if (*it != '}') | |
| 347 | { | ||
| 348 | 1x | urls::detail::throw_invalid_argument(); | |
| 349 | } | ||
| 350 | |||
| 351 | 114x | return it; | |
| 352 | } | ||
| 353 | |||
| 354 | std::size_t | ||
| 355 | 43x | integer_formatter_impl:: | |
| 356 | measure( | ||
| 357 | long long int v, | ||
| 358 | measure_context& ctx, | ||
| 359 | grammar::lut_chars const& cs) const | ||
| 360 | { | ||
| 361 | 43x | std::size_t dn = 0; | |
| 362 | 43x | std::size_t n = 0; | |
| 363 | 43x | if (v < 0) | |
| 364 | { | ||
| 365 | 2x | dn += measure_one('-', cs); | |
| 366 | 2x | ++n; | |
| 367 | } | ||
| 368 | 41x | else if (sign != '-') | |
| 369 | { | ||
| 370 | 4x | dn += measure_one(sign, cs); | |
| 371 | 4x | ++n; | |
| 372 | } | ||
| 373 | // Use bitwise two's-complement negation to obtain |v| without | ||
| 374 | // tripping signed-overflow (v == LLONG_MIN) or | ||
| 375 | // unsigned-overflow (0ull - x) sanitizers. | ||
| 376 | 43x | unsigned long long int uv = v < 0 | |
| 377 | 43x | ? ~static_cast<unsigned long long int>(v) + 1ull | |
| 378 | : static_cast<unsigned long long int>(v); | ||
| 379 | do | ||
| 380 | { | ||
| 381 | 102x | int d = static_cast<int>(uv % 10); | |
| 382 | 102x | uv /= 10; | |
| 383 | 102x | dn += measure_one('0' + static_cast<char>(d), cs); | |
| 384 | 102x | ++n; | |
| 385 | } | ||
| 386 | 102x | while (uv > 0); | |
| 387 | |||
| 388 | 43x | std::size_t w = width; | |
| 389 | 83x | if (width_idx != std::size_t(-1) || | |
| 390 | 40x | !width_name.empty()) | |
| 391 | { | ||
| 392 | 5x | get_width_from_args( | |
| 393 | 5x | width_idx, width_name, ctx.args(), w); | |
| 394 | } | ||
| 395 | 43x | if (w > n) | |
| 396 | { | ||
| 397 | 12x | if (!zeros) | |
| 398 | 9x | dn += measure_one(fill, cs) * (w - n); | |
| 399 | else | ||
| 400 | 3x | dn += measure_one('0', cs) * (w - n); | |
| 401 | } | ||
| 402 | 86x | return ctx.out() + dn; | |
| 403 | } | ||
| 404 | |||
| 405 | std::size_t | ||
| 406 | 14x | integer_formatter_impl:: | |
| 407 | measure( | ||
| 408 | unsigned long long int v, | ||
| 409 | measure_context& ctx, | ||
| 410 | grammar::lut_chars const& cs) const | ||
| 411 | { | ||
| 412 | 14x | std::size_t dn = 0; | |
| 413 | 14x | std::size_t n = 0; | |
| 414 | 14x | if (sign != '-') | |
| 415 | { | ||
| 416 | 2x | dn += measure_one(sign, cs); | |
| 417 | 2x | ++n; | |
| 418 | } | ||
| 419 | do | ||
| 420 | { | ||
| 421 | 53x | int d = v % 10; | |
| 422 | 53x | v /= 10; | |
| 423 | 53x | dn += measure_one('0' + static_cast<char>(d), cs); | |
| 424 | 53x | ++n; | |
| 425 | } | ||
| 426 | 53x | while (v != 0); | |
| 427 | |||
| 428 | 14x | std::size_t w = width; | |
| 429 | 25x | if (width_idx != std::size_t(-1) || | |
| 430 | 11x | !width_name.empty()) | |
| 431 | { | ||
| 432 | 4x | get_width_from_args( | |
| 433 | 4x | width_idx, width_name, ctx.args(), w); | |
| 434 | } | ||
| 435 | 14x | if (w > n) | |
| 436 | { | ||
| 437 | 8x | if (!zeros) | |
| 438 | 7x | dn += measure_one(fill, cs) * (w - n); | |
| 439 | else | ||
| 440 | 1x | dn += measure_one('0', cs) * (w - n); | |
| 441 | } | ||
| 442 | 28x | return ctx.out() + dn; | |
| 443 | } | ||
| 444 | |||
| 445 | char* | ||
| 446 | 43x | integer_formatter_impl:: | |
| 447 | format( | ||
| 448 | long long int v, | ||
| 449 | format_context& ctx, | ||
| 450 | grammar::lut_chars const& cs) const | ||
| 451 | { | ||
| 452 | // get n digits | ||
| 453 | // Bitwise two's-complement negation to obtain |v| without | ||
| 454 | // tripping signed-overflow (v == LLONG_MIN) or | ||
| 455 | // unsigned-overflow (0ull - x) sanitizers. | ||
| 456 | 43x | bool const neg = v < 0; | |
| 457 | 43x | unsigned long long int uv = neg | |
| 458 | 43x | ? ~static_cast<unsigned long long int>(v) + 1ull | |
| 459 | : static_cast<unsigned long long int>(v); | ||
| 460 | 43x | unsigned long long int uv0 = uv; | |
| 461 | 43x | unsigned long long int p = 1; | |
| 462 | 43x | std::size_t n = 0; | |
| 463 | 43x | if (neg || sign != '-') | |
| 464 | { | ||
| 465 | 6x | ++n; | |
| 466 | } | ||
| 467 | do | ||
| 468 | { | ||
| 469 | 102x | if (uv >= 10) | |
| 470 | 59x | p *= 10; | |
| 471 | 102x | uv /= 10; | |
| 472 | 102x | ++n; | |
| 473 | } | ||
| 474 | 102x | while (uv > 0); | |
| 475 | static constexpr auto m = | ||
| 476 | std::numeric_limits<long long int>::digits10; | ||
| 477 | 43x | BOOST_ASSERT(n <= m + 2); | |
| 478 | ignore_unused(m); | ||
| 479 | |||
| 480 | // get pad | ||
| 481 | 43x | std::size_t w = width; | |
| 482 | 83x | if (width_idx != std::size_t(-1) || | |
| 483 | 40x | !width_name.empty()) | |
| 484 | { | ||
| 485 | 5x | get_width_from_args( | |
| 486 | 5x | width_idx, width_name, ctx.args(), w); | |
| 487 | } | ||
| 488 | 43x | std::size_t lpad = 0; | |
| 489 | 43x | std::size_t rpad = 0; | |
| 490 | 43x | if (w > n) | |
| 491 | { | ||
| 492 | 12x | std::size_t pad = w - n; | |
| 493 | 12x | if (zeros) | |
| 494 | { | ||
| 495 | 3x | lpad = pad; | |
| 496 | } | ||
| 497 | else | ||
| 498 | { | ||
| 499 | 9x | switch (align) | |
| 500 | { | ||
| 501 | 1x | case '<': | |
| 502 | 1x | rpad = pad; | |
| 503 | 1x | break; | |
| 504 | 6x | case '>': | |
| 505 | 6x | lpad = pad; | |
| 506 | 6x | break; | |
| 507 | 2x | case '^': | |
| 508 | 2x | lpad = pad / 2; | |
| 509 | 2x | rpad = pad - lpad; | |
| 510 | 2x | break; | |
| 511 | } | ||
| 512 | } | ||
| 513 | } | ||
| 514 | |||
| 515 | // write | ||
| 516 | 43x | uv = uv0; | |
| 517 | 43x | char* out = ctx.out(); | |
| 518 | 43x | if (!zeros) | |
| 519 | { | ||
| 520 | 68x | for (std::size_t i = 0; i < lpad; ++i) | |
| 521 | 28x | encode_one(out, fill, cs); | |
| 522 | } | ||
| 523 | 43x | if (neg) | |
| 524 | { | ||
| 525 | 2x | encode_one(out, '-', cs); | |
| 526 | 2x | --n; | |
| 527 | } | ||
| 528 | 41x | else if (sign != '-') | |
| 529 | { | ||
| 530 | 4x | encode_one(out, sign, cs); | |
| 531 | 4x | --n; | |
| 532 | } | ||
| 533 | 43x | if (zeros) | |
| 534 | { | ||
| 535 | 13x | for (std::size_t i = 0; i < lpad; ++i) | |
| 536 | 10x | encode_one(out, '0', cs); | |
| 537 | } | ||
| 538 | 145x | while (n) | |
| 539 | { | ||
| 540 | 102x | unsigned long long int d = uv / p; | |
| 541 | 102x | encode_one(out, '0' + static_cast<char>(d), cs); | |
| 542 | 102x | --n; | |
| 543 | 102x | uv %= p; | |
| 544 | 102x | p /= 10; | |
| 545 | } | ||
| 546 | 43x | if (!zeros) | |
| 547 | { | ||
| 548 | 48x | for (std::size_t i = 0; i < rpad; ++i) | |
| 549 | 8x | encode_one(out, fill, cs); | |
| 550 | } | ||
| 551 | 43x | return out; | |
| 552 | } | ||
| 553 | |||
| 554 | char* | ||
| 555 | 14x | integer_formatter_impl:: | |
| 556 | format( | ||
| 557 | unsigned long long int v, | ||
| 558 | format_context& ctx, | ||
| 559 | grammar::lut_chars const& cs) const | ||
| 560 | { | ||
| 561 | // get n digits | ||
| 562 | 14x | unsigned long long int v0 = v; | |
| 563 | 14x | unsigned long long int p = 1; | |
| 564 | 14x | std::size_t n = 0; | |
| 565 | 14x | if (sign != '-') | |
| 566 | { | ||
| 567 | 2x | ++n; | |
| 568 | } | ||
| 569 | do | ||
| 570 | { | ||
| 571 | 53x | if (v >= 10) | |
| 572 | 39x | p *= 10; | |
| 573 | 53x | v /= 10; | |
| 574 | 53x | ++n; | |
| 575 | } | ||
| 576 | 53x | while (v > 0); | |
| 577 | static constexpr auto m = | ||
| 578 | std::numeric_limits<unsigned long long int>::digits10; | ||
| 579 | 14x | BOOST_ASSERT(n <= m + 2); | |
| 580 | ignore_unused(m); | ||
| 581 | |||
| 582 | // get pad | ||
| 583 | 14x | std::size_t w = width; | |
| 584 | 25x | if (width_idx != std::size_t(-1) || | |
| 585 | 11x | !width_name.empty()) | |
| 586 | { | ||
| 587 | 4x | get_width_from_args( | |
| 588 | 4x | width_idx, width_name, ctx.args(), w); | |
| 589 | } | ||
| 590 | 14x | std::size_t lpad = 0; | |
| 591 | 14x | std::size_t rpad = 0; | |
| 592 | 14x | if (w > n) | |
| 593 | { | ||
| 594 | 8x | std::size_t pad = w - n; | |
| 595 | 8x | if (zeros) | |
| 596 | { | ||
| 597 | 1x | lpad = pad; | |
| 598 | } | ||
| 599 | else | ||
| 600 | { | ||
| 601 | 7x | switch (align) | |
| 602 | { | ||
| 603 | 1x | case '<': | |
| 604 | 1x | rpad = pad; | |
| 605 | 1x | break; | |
| 606 | 5x | case '>': | |
| 607 | 5x | lpad = pad; | |
| 608 | 5x | break; | |
| 609 | 1x | case '^': | |
| 610 | 1x | lpad = pad / 2; | |
| 611 | 1x | rpad = pad - lpad; | |
| 612 | 1x | break; | |
| 613 | } | ||
| 614 | } | ||
| 615 | } | ||
| 616 | |||
| 617 | // write | ||
| 618 | 14x | v = v0; | |
| 619 | 14x | char* out = ctx.out(); | |
| 620 | 14x | if (!zeros) | |
| 621 | { | ||
| 622 | 35x | for (std::size_t i = 0; i < lpad; ++i) | |
| 623 | 22x | encode_one(out, fill, cs); | |
| 624 | } | ||
| 625 | 14x | if (sign != '-') | |
| 626 | { | ||
| 627 | 2x | encode_one(out, sign, cs); | |
| 628 | 2x | --n; | |
| 629 | } | ||
| 630 | 14x | if (zeros) | |
| 631 | { | ||
| 632 | 5x | for (std::size_t i = 0; i < lpad; ++i) | |
| 633 | 4x | encode_one(out, '0', cs); | |
| 634 | } | ||
| 635 | 67x | while (n) | |
| 636 | { | ||
| 637 | 53x | unsigned long long int d = v / p; | |
| 638 | 53x | encode_one(out, '0' + static_cast<char>(d), cs); | |
| 639 | 53x | --n; | |
| 640 | 53x | v %= p; | |
| 641 | 53x | p /= 10; | |
| 642 | } | ||
| 643 | 14x | if (!zeros) | |
| 644 | { | ||
| 645 | 19x | for (std::size_t i = 0; i < rpad; ++i) | |
| 646 | 6x | encode_one(out, fill, cs); | |
| 647 | } | ||
| 648 | 14x | return out; | |
| 649 | } | ||
| 650 | |||
| 651 | } // detail | ||
| 652 | } // urls | ||
| 653 | } // boost | ||
| 654 | |||
| 655 |