| File: | out/../deps/v8/src/objects/js-date-time-format.cc |
| Warning: | line 2173, column 9 Value stored to 'previous_end_pos' is never read |
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| 1 | // Copyright 2018 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef V8_INTL_SUPPORT1 |
| 6 | #error Internationalization is expected to be enabled. |
| 7 | #endif // V8_INTL_SUPPORT |
| 8 | |
| 9 | #include "src/objects/js-date-time-format.h" |
| 10 | |
| 11 | #include <algorithm> |
| 12 | #include <map> |
| 13 | #include <memory> |
| 14 | #include <string> |
| 15 | #include <utility> |
| 16 | #include <vector> |
| 17 | |
| 18 | #include "src/date/date.h" |
| 19 | #include "src/execution/isolate.h" |
| 20 | #include "src/heap/factory.h" |
| 21 | #include "src/objects/intl-objects.h" |
| 22 | #include "src/objects/js-date-time-format-inl.h" |
| 23 | #include "src/objects/managed-inl.h" |
| 24 | #include "src/objects/option-utils.h" |
| 25 | #include "unicode/calendar.h" |
| 26 | #include "unicode/dtitvfmt.h" |
| 27 | #include "unicode/dtptngen.h" |
| 28 | #include "unicode/fieldpos.h" |
| 29 | #include "unicode/gregocal.h" |
| 30 | #include "unicode/smpdtfmt.h" |
| 31 | #include "unicode/unistr.h" |
| 32 | |
| 33 | namespace v8 { |
| 34 | namespace internal { |
| 35 | |
| 36 | namespace { |
| 37 | |
| 38 | std::string ToHourCycleString(JSDateTimeFormat::HourCycle hc) { |
| 39 | switch (hc) { |
| 40 | case JSDateTimeFormat::HourCycle::kH11: |
| 41 | return "h11"; |
| 42 | case JSDateTimeFormat::HourCycle::kH12: |
| 43 | return "h12"; |
| 44 | case JSDateTimeFormat::HourCycle::kH23: |
| 45 | return "h23"; |
| 46 | case JSDateTimeFormat::HourCycle::kH24: |
| 47 | return "h24"; |
| 48 | case JSDateTimeFormat::HourCycle::kUndefined: |
| 49 | return ""; |
| 50 | default: |
| 51 | UNREACHABLE()V8_Fatal("unreachable code"); |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | JSDateTimeFormat::HourCycle ToHourCycle(const std::string& hc) { |
| 56 | if (hc == "h11") return JSDateTimeFormat::HourCycle::kH11; |
| 57 | if (hc == "h12") return JSDateTimeFormat::HourCycle::kH12; |
| 58 | if (hc == "h23") return JSDateTimeFormat::HourCycle::kH23; |
| 59 | if (hc == "h24") return JSDateTimeFormat::HourCycle::kH24; |
| 60 | return JSDateTimeFormat::HourCycle::kUndefined; |
| 61 | } |
| 62 | |
| 63 | JSDateTimeFormat::HourCycle ToHourCycle(UDateFormatHourCycle hc) { |
| 64 | switch (hc) { |
| 65 | case UDAT_HOUR_CYCLE_11: |
| 66 | return JSDateTimeFormat::HourCycle::kH11; |
| 67 | case UDAT_HOUR_CYCLE_12: |
| 68 | return JSDateTimeFormat::HourCycle::kH12; |
| 69 | case UDAT_HOUR_CYCLE_23: |
| 70 | return JSDateTimeFormat::HourCycle::kH23; |
| 71 | case UDAT_HOUR_CYCLE_24: |
| 72 | return JSDateTimeFormat::HourCycle::kH24; |
| 73 | default: |
| 74 | return JSDateTimeFormat::HourCycle::kUndefined; |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | Maybe<JSDateTimeFormat::HourCycle> GetHourCycle(Isolate* isolate, |
| 79 | Handle<JSReceiver> options, |
| 80 | const char* method_name) { |
| 81 | return GetStringOption<JSDateTimeFormat::HourCycle>( |
| 82 | isolate, options, "hourCycle", method_name, {"h11", "h12", "h23", "h24"}, |
| 83 | {JSDateTimeFormat::HourCycle::kH11, JSDateTimeFormat::HourCycle::kH12, |
| 84 | JSDateTimeFormat::HourCycle::kH23, JSDateTimeFormat::HourCycle::kH24}, |
| 85 | JSDateTimeFormat::HourCycle::kUndefined); |
| 86 | } |
| 87 | |
| 88 | class PatternMap { |
| 89 | public: |
| 90 | PatternMap(std::string pattern, std::string value) |
| 91 | : pattern(std::move(pattern)), value(std::move(value)) {} |
| 92 | virtual ~PatternMap() = default; |
| 93 | std::string pattern; |
| 94 | std::string value; |
| 95 | }; |
| 96 | |
| 97 | class PatternItem { |
| 98 | public: |
| 99 | PatternItem(const std::string property, std::vector<PatternMap> pairs, |
| 100 | std::vector<const char*> allowed_values) |
| 101 | : property(std::move(property)), |
| 102 | pairs(std::move(pairs)), |
| 103 | allowed_values(allowed_values) {} |
| 104 | virtual ~PatternItem() = default; |
| 105 | |
| 106 | const std::string property; |
| 107 | // It is important for the pattern in the pairs from longer one to shorter one |
| 108 | // if the longer one contains substring of an shorter one. |
| 109 | std::vector<PatternMap> pairs; |
| 110 | std::vector<const char*> allowed_values; |
| 111 | }; |
| 112 | |
| 113 | static std::vector<PatternItem> BuildPatternItems() { |
| 114 | const std::vector<const char*> kLongShort = {"long", "short"}; |
| 115 | const std::vector<const char*> kNarrowLongShort = {"narrow", "long", "short"}; |
| 116 | const std::vector<const char*> k2DigitNumeric = {"2-digit", "numeric"}; |
| 117 | const std::vector<const char*> kNarrowLongShort2DigitNumeric = { |
| 118 | "narrow", "long", "short", "2-digit", "numeric"}; |
| 119 | std::vector<PatternItem> items = { |
| 120 | PatternItem("weekday", |
| 121 | {{"EEEEE", "narrow"}, |
| 122 | {"EEEE", "long"}, |
| 123 | {"EEE", "short"}, |
| 124 | {"ccccc", "narrow"}, |
| 125 | {"cccc", "long"}, |
| 126 | {"ccc", "short"}}, |
| 127 | kNarrowLongShort), |
| 128 | PatternItem("era", |
| 129 | {{"GGGGG", "narrow"}, {"GGGG", "long"}, {"GGG", "short"}}, |
| 130 | kNarrowLongShort), |
| 131 | PatternItem("year", {{"yy", "2-digit"}, {"y", "numeric"}}, |
| 132 | k2DigitNumeric)}; |
| 133 | // Sometimes we get L instead of M for month - standalone name. |
| 134 | items.push_back(PatternItem("month", |
| 135 | {{"MMMMM", "narrow"}, |
| 136 | {"MMMM", "long"}, |
| 137 | {"MMM", "short"}, |
| 138 | {"MM", "2-digit"}, |
| 139 | {"M", "numeric"}, |
| 140 | {"LLLLL", "narrow"}, |
| 141 | {"LLLL", "long"}, |
| 142 | {"LLL", "short"}, |
| 143 | {"LL", "2-digit"}, |
| 144 | {"L", "numeric"}}, |
| 145 | kNarrowLongShort2DigitNumeric)); |
| 146 | items.push_back(PatternItem("day", {{"dd", "2-digit"}, {"d", "numeric"}}, |
| 147 | k2DigitNumeric)); |
| 148 | items.push_back(PatternItem("dayPeriod", |
| 149 | {{"BBBBB", "narrow"}, |
| 150 | {"bbbbb", "narrow"}, |
| 151 | {"BBBB", "long"}, |
| 152 | {"bbbb", "long"}, |
| 153 | {"B", "short"}, |
| 154 | {"b", "short"}}, |
| 155 | kNarrowLongShort)); |
| 156 | items.push_back(PatternItem("hour", |
| 157 | {{"HH", "2-digit"}, |
| 158 | {"H", "numeric"}, |
| 159 | {"hh", "2-digit"}, |
| 160 | {"h", "numeric"}, |
| 161 | {"kk", "2-digit"}, |
| 162 | {"k", "numeric"}, |
| 163 | {"KK", "2-digit"}, |
| 164 | {"K", "numeric"}}, |
| 165 | k2DigitNumeric)); |
| 166 | items.push_back(PatternItem("minute", {{"mm", "2-digit"}, {"m", "numeric"}}, |
| 167 | k2DigitNumeric)); |
| 168 | items.push_back(PatternItem("second", {{"ss", "2-digit"}, {"s", "numeric"}}, |
| 169 | k2DigitNumeric)); |
| 170 | |
| 171 | const std::vector<const char*> kTimezone = {"long", "short", |
| 172 | "longOffset", "shortOffset", |
| 173 | "longGeneric", "shortGeneric"}; |
| 174 | items.push_back(PatternItem("timeZoneName", |
| 175 | {{"zzzz", "long"}, |
| 176 | {"z", "short"}, |
| 177 | {"OOOO", "longOffset"}, |
| 178 | {"O", "shortOffset"}, |
| 179 | {"vvvv", "longGeneric"}, |
| 180 | {"v", "shortGeneric"}}, |
| 181 | kTimezone)); |
| 182 | return items; |
| 183 | } |
| 184 | |
| 185 | class PatternItems { |
| 186 | public: |
| 187 | PatternItems() : data(BuildPatternItems()) {} |
| 188 | virtual ~PatternItems() = default; |
| 189 | const std::vector<PatternItem>& Get() const { return data; } |
| 190 | |
| 191 | private: |
| 192 | const std::vector<PatternItem> data; |
| 193 | }; |
| 194 | |
| 195 | static const std::vector<PatternItem>& GetPatternItems() { |
| 196 | static base::LazyInstance<PatternItems>::type items = |
| 197 | LAZY_INSTANCE_INITIALIZER{ { 0 }, { {} } }; |
| 198 | return items.Pointer()->Get(); |
| 199 | } |
| 200 | |
| 201 | class PatternData { |
| 202 | public: |
| 203 | PatternData(const std::string property, std::vector<PatternMap> pairs, |
| 204 | std::vector<const char*> allowed_values) |
| 205 | : property(std::move(property)), allowed_values(allowed_values) { |
| 206 | for (const auto& pair : pairs) { |
| 207 | map.insert(std::make_pair(pair.value, pair.pattern)); |
| 208 | } |
| 209 | } |
| 210 | virtual ~PatternData() = default; |
| 211 | |
| 212 | const std::string property; |
| 213 | std::map<const std::string, const std::string> map; |
| 214 | std::vector<const char*> allowed_values; |
| 215 | }; |
| 216 | |
| 217 | const std::vector<PatternData> CreateCommonData(const PatternData& hour_data) { |
| 218 | std::vector<PatternData> build; |
| 219 | for (const PatternItem& item : GetPatternItems()) { |
| 220 | if (item.property == "hour") { |
| 221 | build.push_back(hour_data); |
| 222 | } else { |
| 223 | build.push_back( |
| 224 | PatternData(item.property, item.pairs, item.allowed_values)); |
| 225 | } |
| 226 | } |
| 227 | return build; |
| 228 | } |
| 229 | |
| 230 | const std::vector<PatternData> CreateData(const char* digit2, |
| 231 | const char* numeric) { |
| 232 | return CreateCommonData( |
| 233 | PatternData("hour", {{digit2, "2-digit"}, {numeric, "numeric"}}, |
| 234 | {"2-digit", "numeric"})); |
| 235 | } |
| 236 | |
| 237 | // According to "Date Field Symbol Table" in |
| 238 | // http://userguide.icu-project.org/formatparse/datetime |
| 239 | // Symbol | Meaning | Example(s) |
| 240 | // h hour in am/pm (1~12) h 7 |
| 241 | // hh 07 |
| 242 | // H hour in day (0~23) H 0 |
| 243 | // HH 00 |
| 244 | // k hour in day (1~24) k 24 |
| 245 | // kk 24 |
| 246 | // K hour in am/pm (0~11) K 0 |
| 247 | // KK 00 |
| 248 | |
| 249 | class Pattern { |
| 250 | public: |
| 251 | Pattern(const char* d1, const char* d2) : data(CreateData(d1, d2)) {} |
| 252 | virtual ~Pattern() = default; |
| 253 | virtual const std::vector<PatternData>& Get() const { return data; } |
| 254 | |
| 255 | private: |
| 256 | std::vector<PatternData> data; |
| 257 | }; |
| 258 | |
| 259 | #define DEFFINE_TRAIT(name, d1, d2) \ |
| 260 | struct name { \ |
| 261 | static void Construct(void* allocated_ptr) { \ |
| 262 | new (allocated_ptr) Pattern(d1, d2); \ |
| 263 | } \ |
| 264 | }; |
| 265 | DEFFINE_TRAIT(H11Trait, "KK", "K") |
| 266 | DEFFINE_TRAIT(H12Trait, "hh", "h") |
| 267 | DEFFINE_TRAIT(H23Trait, "HH", "H") |
| 268 | DEFFINE_TRAIT(H24Trait, "kk", "k") |
| 269 | DEFFINE_TRAIT(HDefaultTrait, "jj", "j") |
| 270 | #undef DEFFINE_TRAIT |
| 271 | |
| 272 | const std::vector<PatternData>& GetPatternData( |
| 273 | JSDateTimeFormat::HourCycle hour_cycle) { |
| 274 | switch (hour_cycle) { |
| 275 | case JSDateTimeFormat::HourCycle::kH11: { |
| 276 | static base::LazyInstance<Pattern, H11Trait>::type h11 = |
| 277 | LAZY_INSTANCE_INITIALIZER{ { 0 }, { {} } }; |
| 278 | return h11.Pointer()->Get(); |
| 279 | } |
| 280 | case JSDateTimeFormat::HourCycle::kH12: { |
| 281 | static base::LazyInstance<Pattern, H12Trait>::type h12 = |
| 282 | LAZY_INSTANCE_INITIALIZER{ { 0 }, { {} } }; |
| 283 | return h12.Pointer()->Get(); |
| 284 | } |
| 285 | case JSDateTimeFormat::HourCycle::kH23: { |
| 286 | static base::LazyInstance<Pattern, H23Trait>::type h23 = |
| 287 | LAZY_INSTANCE_INITIALIZER{ { 0 }, { {} } }; |
| 288 | return h23.Pointer()->Get(); |
| 289 | } |
| 290 | case JSDateTimeFormat::HourCycle::kH24: { |
| 291 | static base::LazyInstance<Pattern, H24Trait>::type h24 = |
| 292 | LAZY_INSTANCE_INITIALIZER{ { 0 }, { {} } }; |
| 293 | return h24.Pointer()->Get(); |
| 294 | } |
| 295 | case JSDateTimeFormat::HourCycle::kUndefined: { |
| 296 | static base::LazyInstance<Pattern, HDefaultTrait>::type hDefault = |
| 297 | LAZY_INSTANCE_INITIALIZER{ { 0 }, { {} } }; |
| 298 | return hDefault.Pointer()->Get(); |
| 299 | } |
| 300 | default: |
| 301 | UNREACHABLE()V8_Fatal("unreachable code"); |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | std::string GetGMTTzID(const std::string& input) { |
| 306 | std::string ret = "Etc/GMT"; |
| 307 | switch (input.length()) { |
| 308 | case 8: |
| 309 | if (input[7] == '0') return ret + '0'; |
| 310 | break; |
| 311 | case 9: |
| 312 | if ((input[7] == '+' || input[7] == '-') && |
| 313 | base::IsInRange(input[8], '0', '9')) { |
| 314 | return ret + input[7] + input[8]; |
| 315 | } |
| 316 | break; |
| 317 | case 10: |
| 318 | if ((input[7] == '+' || input[7] == '-') && (input[8] == '1') && |
| 319 | base::IsInRange(input[9], '0', '4')) { |
| 320 | return ret + input[7] + input[8] + input[9]; |
| 321 | } |
| 322 | break; |
| 323 | } |
| 324 | return ""; |
| 325 | } |
| 326 | |
| 327 | // Locale independenty version of isalpha for ascii range. This will return |
| 328 | // false if the ch is alpha but not in ascii range. |
| 329 | bool IsAsciiAlpha(char ch) { |
| 330 | return base::IsInRange(ch, 'A', 'Z') || base::IsInRange(ch, 'a', 'z'); |
| 331 | } |
| 332 | |
| 333 | // Locale independent toupper for ascii range. This will not return İ (dotted I) |
| 334 | // for i under Turkish locale while std::toupper may. |
| 335 | char LocaleIndependentAsciiToUpper(char ch) { |
| 336 | return (base::IsInRange(ch, 'a', 'z')) ? (ch - 'a' + 'A') : ch; |
| 337 | } |
| 338 | |
| 339 | // Locale independent tolower for ascii range. |
| 340 | char LocaleIndependentAsciiToLower(char ch) { |
| 341 | return (base::IsInRange(ch, 'A', 'Z')) ? (ch - 'A' + 'a') : ch; |
| 342 | } |
| 343 | |
| 344 | // Returns titlecased location, bueNos_airES -> Buenos_Aires |
| 345 | // or ho_cHi_minH -> Ho_Chi_Minh. It is locale-agnostic and only |
| 346 | // deals with ASCII only characters. |
| 347 | // 'of', 'au' and 'es' are special-cased and lowercased. |
| 348 | // ICU's timezone parsing is case sensitive, but ECMAScript is case insensitive |
| 349 | std::string ToTitleCaseTimezoneLocation(const std::string& input) { |
| 350 | std::string title_cased; |
| 351 | int word_length = 0; |
| 352 | for (char ch : input) { |
| 353 | // Convert first char to upper case, the rest to lower case |
| 354 | if (IsAsciiAlpha(ch)) { |
| 355 | title_cased += word_length == 0 ? LocaleIndependentAsciiToUpper(ch) |
| 356 | : LocaleIndependentAsciiToLower(ch); |
| 357 | word_length++; |
| 358 | } else if (ch == '_' || ch == '-' || ch == '/') { |
| 359 | // Special case Au/Es/Of to be lower case. |
| 360 | if (word_length == 2) { |
| 361 | size_t pos = title_cased.length() - 2; |
| 362 | std::string substr = title_cased.substr(pos, 2); |
| 363 | if (substr == "Of" || substr == "Es" || substr == "Au") { |
| 364 | title_cased[pos] = LocaleIndependentAsciiToLower(title_cased[pos]); |
| 365 | } |
| 366 | } |
| 367 | title_cased += ch; |
| 368 | word_length = 0; |
| 369 | } else { |
| 370 | // Invalid input |
| 371 | return std::string(); |
| 372 | } |
| 373 | } |
| 374 | |
| 375 | return title_cased; |
| 376 | } |
| 377 | |
| 378 | class SpecialTimeZoneMap { |
| 379 | public: |
| 380 | SpecialTimeZoneMap() { |
| 381 | Add("America/Argentina/ComodRivadavia"); |
| 382 | Add("America/Knox_IN"); |
| 383 | Add("Antarctica/DumontDUrville"); |
| 384 | Add("Antarctica/McMurdo"); |
| 385 | Add("Australia/ACT"); |
| 386 | Add("Australia/LHI"); |
| 387 | Add("Australia/NSW"); |
| 388 | Add("Brazil/DeNoronha"); |
| 389 | Add("Chile/EasterIsland"); |
| 390 | Add("GB"); |
| 391 | Add("GB-Eire"); |
| 392 | Add("Mexico/BajaNorte"); |
| 393 | Add("Mexico/BajaSur"); |
| 394 | Add("NZ"); |
| 395 | Add("NZ-CHAT"); |
| 396 | Add("W-SU"); |
| 397 | } |
| 398 | |
| 399 | std::string Find(const std::string& id) { |
| 400 | auto it = map_.find(id); |
| 401 | if (it != map_.end()) { |
| 402 | return it->second; |
| 403 | } |
| 404 | return ""; |
| 405 | } |
| 406 | |
| 407 | private: |
| 408 | void Add(const char* id) { |
| 409 | std::string upper(id); |
| 410 | transform(upper.begin(), upper.end(), upper.begin(), |
| 411 | LocaleIndependentAsciiToUpper); |
| 412 | map_.insert({upper, id}); |
| 413 | } |
| 414 | std::map<std::string, std::string> map_; |
| 415 | }; |
| 416 | |
| 417 | } // namespace |
| 418 | |
| 419 | // Return the time zone id which match ICU's expectation of title casing |
| 420 | // return empty string when error. |
| 421 | std::string JSDateTimeFormat::CanonicalizeTimeZoneID(const std::string& input) { |
| 422 | std::string upper = input; |
| 423 | transform(upper.begin(), upper.end(), upper.begin(), |
| 424 | LocaleIndependentAsciiToUpper); |
| 425 | if (upper.length() == 3) { |
| 426 | if (upper == "GMT") return "UTC"; |
| 427 | // For id such as "CET", return upper case. |
| 428 | return upper; |
| 429 | } else if (upper.length() == 7 && '0' <= upper[3] && upper[3] <= '9') { |
| 430 | // For id such as "CST6CDT", return upper case. |
| 431 | return upper; |
| 432 | } else if (upper.length() > 3) { |
| 433 | if (memcmp(upper.c_str(), "ETC", 3) == 0) { |
| 434 | if (upper == "ETC/UTC" || upper == "ETC/GMT" || upper == "ETC/UCT") { |
| 435 | return "UTC"; |
| 436 | } |
| 437 | if (strncmp(upper.c_str(), "ETC/GMT", 7) == 0) { |
| 438 | return GetGMTTzID(input); |
| 439 | } |
| 440 | } else if (memcmp(upper.c_str(), "GMT", 3) == 0) { |
| 441 | if (upper == "GMT0" || upper == "GMT+0" || upper == "GMT-0") { |
| 442 | return "UTC"; |
| 443 | } |
| 444 | } else if (memcmp(upper.c_str(), "US/", 3) == 0) { |
| 445 | std::string title = ToTitleCaseTimezoneLocation(input); |
| 446 | if (title.length() >= 2) { |
| 447 | // Change "Us/" to "US/" |
| 448 | title[1] = 'S'; |
| 449 | } |
| 450 | return title; |
| 451 | } else if (strncmp(upper.c_str(), "SYSTEMV/", 8) == 0) { |
| 452 | upper.replace(0, 8, "SystemV/"); |
| 453 | return upper; |
| 454 | } |
| 455 | } |
| 456 | // We expect only _, '-' and / beside ASCII letters. |
| 457 | |
| 458 | static base::LazyInstance<SpecialTimeZoneMap>::type special_time_zone_map = |
| 459 | LAZY_INSTANCE_INITIALIZER{ { 0 }, { {} } }; |
| 460 | |
| 461 | std::string special_case = special_time_zone_map.Pointer()->Find(upper); |
| 462 | if (!special_case.empty()) { |
| 463 | return special_case; |
| 464 | } |
| 465 | return ToTitleCaseTimezoneLocation(input); |
| 466 | } |
| 467 | |
| 468 | namespace { |
| 469 | Handle<String> DateTimeStyleAsString(Isolate* isolate, |
| 470 | JSDateTimeFormat::DateTimeStyle style) { |
| 471 | switch (style) { |
| 472 | case JSDateTimeFormat::DateTimeStyle::kFull: |
| 473 | return ReadOnlyRoots(isolate).full_string_handle(); |
| 474 | case JSDateTimeFormat::DateTimeStyle::kLong: |
| 475 | return ReadOnlyRoots(isolate).long_string_handle(); |
| 476 | case JSDateTimeFormat::DateTimeStyle::kMedium: |
| 477 | return ReadOnlyRoots(isolate).medium_string_handle(); |
| 478 | case JSDateTimeFormat::DateTimeStyle::kShort: |
| 479 | return ReadOnlyRoots(isolate).short_string_handle(); |
| 480 | case JSDateTimeFormat::DateTimeStyle::kUndefined: |
| 481 | UNREACHABLE()V8_Fatal("unreachable code"); |
| 482 | } |
| 483 | } |
| 484 | |
| 485 | int FractionalSecondDigitsFromPattern(const std::string& pattern) { |
| 486 | int result = 0; |
| 487 | for (size_t i = 0; i < pattern.length() && result < 3; i++) { |
| 488 | if (pattern[i] == 'S') { |
| 489 | result++; |
| 490 | } |
| 491 | } |
| 492 | return result; |
| 493 | } |
| 494 | |
| 495 | } // namespace |
| 496 | |
| 497 | Handle<Object> JSDateTimeFormat::TimeZoneId(Isolate* isolate, |
| 498 | const icu::TimeZone& tz) { |
| 499 | Factory* factory = isolate->factory(); |
| 500 | icu::UnicodeString time_zone; |
| 501 | tz.getID(time_zone); |
| 502 | UErrorCode status = U_ZERO_ERROR; |
| 503 | icu::UnicodeString canonical_time_zone; |
| 504 | icu::TimeZone::getCanonicalID(time_zone, canonical_time_zone, status); |
| 505 | Handle<Object> timezone_value; |
| 506 | if (U_SUCCESS(status)) { |
| 507 | // In CLDR (http://unicode.org/cldr/trac/ticket/9943), Etc/UTC is made |
| 508 | // a separate timezone ID from Etc/GMT even though they're still the same |
| 509 | // timezone. We have Etc/UTC because 'UTC', 'Etc/Universal', |
| 510 | // 'Etc/Zulu' and others are turned to 'Etc/UTC' by ICU. Etc/GMT comes |
| 511 | // from Etc/GMT0, Etc/GMT+0, Etc/GMT-0, Etc/Greenwich. |
| 512 | // ecma402#sec-canonicalizetimezonename step 3 |
| 513 | if (canonical_time_zone == UNICODE_STRING_SIMPLE("Etc/UTC")icu::UnicodeString(true, u"Etc/UTC", -1) || |
| 514 | canonical_time_zone == UNICODE_STRING_SIMPLE("Etc/GMT")icu::UnicodeString(true, u"Etc/GMT", -1)) { |
| 515 | timezone_value = factory->UTC_string(); |
| 516 | } else { |
| 517 | ASSIGN_RETURN_ON_EXCEPTION_VALUE(do { if (!(Intl::ToString(isolate, canonical_time_zone)).ToHandle (&timezone_value)) { ((void) 0); return Handle<Object> (); } } while (false) |
| 518 | isolate, timezone_value, Intl::ToString(isolate, canonical_time_zone),do { if (!(Intl::ToString(isolate, canonical_time_zone)).ToHandle (&timezone_value)) { ((void) 0); return Handle<Object> (); } } while (false) |
| 519 | Handle<Object>())do { if (!(Intl::ToString(isolate, canonical_time_zone)).ToHandle (&timezone_value)) { ((void) 0); return Handle<Object> (); } } while (false); |
| 520 | } |
| 521 | } else { |
| 522 | // Somehow on Windows we will reach here. |
| 523 | timezone_value = factory->undefined_value(); |
| 524 | } |
| 525 | return timezone_value; |
| 526 | } |
| 527 | |
| 528 | namespace { |
| 529 | Handle<String> GetCalendar(Isolate* isolate, |
| 530 | const icu::SimpleDateFormat& simple_date_format, |
| 531 | bool is_alt_calendar = false) { |
| 532 | // getType() returns legacy calendar type name instead of LDML/BCP47 calendar |
| 533 | // key values. intl.js maps them to BCP47 values for key "ca". |
| 534 | // TODO(jshin): Consider doing it here, instead. |
| 535 | std::string calendar_str = simple_date_format.getCalendar()->getType(); |
| 536 | |
| 537 | // Maps ICU calendar names to LDML/BCP47 types for key 'ca'. |
| 538 | // See typeMap section in third_party/icu/source/data/misc/keyTypeData.txt |
| 539 | // and |
| 540 | // http://www.unicode.org/repos/cldr/tags/latest/common/bcp47/calendar.xml |
| 541 | if (calendar_str == "gregorian") { |
| 542 | if (is_alt_calendar) { |
| 543 | calendar_str = "iso8601"; |
| 544 | } else { |
| 545 | calendar_str = "gregory"; |
| 546 | } |
| 547 | } else if (calendar_str == "ethiopic-amete-alem") { |
| 548 | calendar_str = "ethioaa"; |
| 549 | } else if (calendar_str == "islamic") { |
| 550 | if (is_alt_calendar) { |
| 551 | calendar_str = "islamic-rgsa"; |
| 552 | } |
| 553 | } |
| 554 | return isolate->factory()->NewStringFromAsciiChecked(calendar_str.c_str()); |
| 555 | } |
| 556 | |
| 557 | Handle<Object> GetTimeZone(Isolate* isolate, |
| 558 | const icu::SimpleDateFormat& simple_date_format) { |
| 559 | return JSDateTimeFormat::TimeZoneId( |
| 560 | isolate, simple_date_format.getCalendar()->getTimeZone()); |
| 561 | } |
| 562 | } // namespace |
| 563 | |
| 564 | Handle<String> JSDateTimeFormat::Calendar( |
| 565 | Isolate* isolate, Handle<JSDateTimeFormat> date_time_format) { |
| 566 | return GetCalendar(isolate, |
| 567 | *(date_time_format->icu_simple_date_format().raw()), |
| 568 | date_time_format->alt_calendar()); |
| 569 | } |
| 570 | |
| 571 | Handle<Object> JSDateTimeFormat::TimeZone( |
| 572 | Isolate* isolate, Handle<JSDateTimeFormat> date_time_format) { |
| 573 | return GetTimeZone(isolate, |
| 574 | *(date_time_format->icu_simple_date_format().raw())); |
| 575 | } |
| 576 | |
| 577 | // ecma402 #sec-intl.datetimeformat.prototype.resolvedoptions |
| 578 | MaybeHandle<JSObject> JSDateTimeFormat::ResolvedOptions( |
| 579 | Isolate* isolate, Handle<JSDateTimeFormat> date_time_format) { |
| 580 | Factory* factory = isolate->factory(); |
| 581 | // 4. Let options be ! ObjectCreate(%ObjectPrototype%). |
| 582 | Handle<JSObject> options = factory->NewJSObject(isolate->object_function()); |
| 583 | |
| 584 | Handle<Object> resolved_obj; |
| 585 | |
| 586 | Handle<String> locale = Handle<String>(date_time_format->locale(), isolate); |
| 587 | DCHECK(!date_time_format->icu_locale().is_null())((void) 0); |
| 588 | DCHECK_NOT_NULL(date_time_format->icu_locale().raw())((void) 0); |
| 589 | icu::Locale* icu_locale = date_time_format->icu_locale().raw(); |
| 590 | |
| 591 | icu::SimpleDateFormat* icu_simple_date_format = |
| 592 | date_time_format->icu_simple_date_format().raw(); |
| 593 | Handle<Object> timezone = |
| 594 | JSDateTimeFormat::TimeZone(isolate, date_time_format); |
| 595 | |
| 596 | // Ugly hack. ICU doesn't expose numbering system in any way, so we have |
| 597 | // to assume that for given locale NumberingSystem constructor produces the |
| 598 | // same digits as NumberFormat/Calendar would. |
| 599 | // Tracked by https://unicode-org.atlassian.net/browse/ICU-13431 |
| 600 | std::string numbering_system = Intl::GetNumberingSystem(*icu_locale); |
| 601 | |
| 602 | icu::UnicodeString pattern_unicode; |
| 603 | icu_simple_date_format->toPattern(pattern_unicode); |
| 604 | std::string pattern; |
| 605 | pattern_unicode.toUTF8String(pattern); |
| 606 | |
| 607 | // 5. For each row of Table 6, except the header row, in table order, do |
| 608 | // Table 6: Resolved Options of DateTimeFormat Instances |
| 609 | // Internal Slot Property |
| 610 | // [[Locale]] "locale" |
| 611 | // [[Calendar]] "calendar" |
| 612 | // [[NumberingSystem]] "numberingSystem" |
| 613 | // [[TimeZone]] "timeZone" |
| 614 | // [[HourCycle]] "hourCycle" |
| 615 | // "hour12" |
| 616 | // [[Weekday]] "weekday" |
| 617 | // [[Era]] "era" |
| 618 | // [[Year]] "year" |
| 619 | // [[Month]] "month" |
| 620 | // [[Day]] "day" |
| 621 | // [[Hour]] "hour" |
| 622 | // [[Minute]] "minute" |
| 623 | // [[Second]] "second" |
| 624 | // [[FractionalSecondDigits]] "fractionalSecondDigits" |
| 625 | // [[TimeZoneName]] "timeZoneName" |
| 626 | Maybe<bool> maybe_create_locale = JSReceiver::CreateDataProperty( |
| 627 | isolate, options, factory->locale_string(), locale, Just(kDontThrow)); |
| 628 | DCHECK(maybe_create_locale.FromJust())((void) 0); |
| 629 | USE(maybe_create_locale)do { ::v8::base::Use unused_tmp_array_for_use_macro[]{maybe_create_locale }; (void)unused_tmp_array_for_use_macro; } while (false); |
| 630 | |
| 631 | Handle<String> calendar = |
| 632 | JSDateTimeFormat::Calendar(isolate, date_time_format); |
| 633 | Maybe<bool> maybe_create_calendar = JSReceiver::CreateDataProperty( |
| 634 | isolate, options, factory->calendar_string(), calendar, Just(kDontThrow)); |
| 635 | DCHECK(maybe_create_calendar.FromJust())((void) 0); |
| 636 | USE(maybe_create_calendar)do { ::v8::base::Use unused_tmp_array_for_use_macro[]{maybe_create_calendar }; (void)unused_tmp_array_for_use_macro; } while (false); |
| 637 | |
| 638 | if (!numbering_system.empty()) { |
| 639 | Maybe<bool> maybe_create_numbering_system = JSReceiver::CreateDataProperty( |
| 640 | isolate, options, factory->numberingSystem_string(), |
| 641 | factory->NewStringFromAsciiChecked(numbering_system.c_str()), |
| 642 | Just(kDontThrow)); |
| 643 | DCHECK(maybe_create_numbering_system.FromJust())((void) 0); |
| 644 | USE(maybe_create_numbering_system)do { ::v8::base::Use unused_tmp_array_for_use_macro[]{maybe_create_numbering_system }; (void)unused_tmp_array_for_use_macro; } while (false); |
| 645 | } |
| 646 | Maybe<bool> maybe_create_time_zone = JSReceiver::CreateDataProperty( |
| 647 | isolate, options, factory->timeZone_string(), timezone, Just(kDontThrow)); |
| 648 | DCHECK(maybe_create_time_zone.FromJust())((void) 0); |
| 649 | USE(maybe_create_time_zone)do { ::v8::base::Use unused_tmp_array_for_use_macro[]{maybe_create_time_zone }; (void)unused_tmp_array_for_use_macro; } while (false); |
| 650 | |
| 651 | // 5.b.i. Let hc be dtf.[[HourCycle]]. |
| 652 | HourCycle hc = date_time_format->hour_cycle(); |
| 653 | |
| 654 | if (hc != HourCycle::kUndefined) { |
| 655 | Maybe<bool> maybe_create_hour_cycle = JSReceiver::CreateDataProperty( |
| 656 | isolate, options, factory->hourCycle_string(), |
| 657 | date_time_format->HourCycleAsString(), Just(kDontThrow)); |
| 658 | DCHECK(maybe_create_hour_cycle.FromJust())((void) 0); |
| 659 | USE(maybe_create_hour_cycle)do { ::v8::base::Use unused_tmp_array_for_use_macro[]{maybe_create_hour_cycle }; (void)unused_tmp_array_for_use_macro; } while (false); |
| 660 | switch (hc) { |
| 661 | // ii. If hc is "h11" or "h12", let v be true. |
| 662 | case HourCycle::kH11: |
| 663 | case HourCycle::kH12: { |
| 664 | Maybe<bool> maybe_create_hour12 = JSReceiver::CreateDataProperty( |
| 665 | isolate, options, factory->hour12_string(), factory->true_value(), |
| 666 | Just(kDontThrow)); |
| 667 | DCHECK(maybe_create_hour12.FromJust())((void) 0); |
| 668 | USE(maybe_create_hour12)do { ::v8::base::Use unused_tmp_array_for_use_macro[]{maybe_create_hour12 }; (void)unused_tmp_array_for_use_macro; } while (false); |
| 669 | } break; |
| 670 | // iii. Else if, hc is "h23" or "h24", let v be false. |
| 671 | case HourCycle::kH23: |
| 672 | case HourCycle::kH24: { |
| 673 | Maybe<bool> maybe_create_hour12 = JSReceiver::CreateDataProperty( |
| 674 | isolate, options, factory->hour12_string(), factory->false_value(), |
| 675 | Just(kDontThrow)); |
| 676 | DCHECK(maybe_create_hour12.FromJust())((void) 0); |
| 677 | USE(maybe_create_hour12)do { ::v8::base::Use unused_tmp_array_for_use_macro[]{maybe_create_hour12 }; (void)unused_tmp_array_for_use_macro; } while (false); |
| 678 | } break; |
| 679 | // iv. Else, let v be undefined. |
| 680 | case HourCycle::kUndefined: |
| 681 | break; |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | // If dateStyle and timeStyle are undefined, then internal slots |
| 686 | // listed in "Table 1: Components of date and time formats" will be set |
| 687 | // in Step 33.f.iii.1 of InitializeDateTimeFormat |
| 688 | if (date_time_format->date_style() == DateTimeStyle::kUndefined && |
| 689 | date_time_format->time_style() == DateTimeStyle::kUndefined) { |
| 690 | for (const auto& item : GetPatternItems()) { |
| 691 | // fractionalSecondsDigits need to be added before timeZoneName |
| 692 | if (item.property == "timeZoneName") { |
| 693 | int fsd = FractionalSecondDigitsFromPattern(pattern); |
| 694 | if (fsd > 0) { |
| 695 | Maybe<bool> maybe_create_fractional_seconds_digits = |
| 696 | JSReceiver::CreateDataProperty( |
| 697 | isolate, options, factory->fractionalSecondDigits_string(), |
| 698 | factory->NewNumberFromInt(fsd), Just(kDontThrow)); |
| 699 | DCHECK(maybe_create_fractional_seconds_digits.FromJust())((void) 0); |
| 700 | USE(maybe_create_fractional_seconds_digits)do { ::v8::base::Use unused_tmp_array_for_use_macro[]{maybe_create_fractional_seconds_digits }; (void)unused_tmp_array_for_use_macro; } while (false); |
| 701 | } |
| 702 | } |
| 703 | for (const auto& pair : item.pairs) { |
| 704 | if (pattern.find(pair.pattern) != std::string::npos) { |
| 705 | Maybe<bool> maybe_create_property = JSReceiver::CreateDataProperty( |
| 706 | isolate, options, |
| 707 | factory->NewStringFromAsciiChecked(item.property.c_str()), |
| 708 | factory->NewStringFromAsciiChecked(pair.value.c_str()), |
| 709 | Just(kDontThrow)); |
| 710 | DCHECK(maybe_create_property.FromJust())((void) 0); |
| 711 | USE(maybe_create_property)do { ::v8::base::Use unused_tmp_array_for_use_macro[]{maybe_create_property }; (void)unused_tmp_array_for_use_macro; } while (false); |
| 712 | break; |
| 713 | } |
| 714 | } |
| 715 | } |
| 716 | } |
| 717 | |
| 718 | // dateStyle |
| 719 | if (date_time_format->date_style() != DateTimeStyle::kUndefined) { |
| 720 | Maybe<bool> maybe_create_date_style = JSReceiver::CreateDataProperty( |
| 721 | isolate, options, factory->dateStyle_string(), |
| 722 | DateTimeStyleAsString(isolate, date_time_format->date_style()), |
| 723 | Just(kDontThrow)); |
| 724 | DCHECK(maybe_create_date_style.FromJust())((void) 0); |
| 725 | USE(maybe_create_date_style)do { ::v8::base::Use unused_tmp_array_for_use_macro[]{maybe_create_date_style }; (void)unused_tmp_array_for_use_macro; } while (false); |
| 726 | } |
| 727 | |
| 728 | // timeStyle |
| 729 | if (date_time_format->time_style() != DateTimeStyle::kUndefined) { |
| 730 | Maybe<bool> maybe_create_time_style = JSReceiver::CreateDataProperty( |
| 731 | isolate, options, factory->timeStyle_string(), |
| 732 | DateTimeStyleAsString(isolate, date_time_format->time_style()), |
| 733 | Just(kDontThrow)); |
| 734 | DCHECK(maybe_create_time_style.FromJust())((void) 0); |
| 735 | USE(maybe_create_time_style)do { ::v8::base::Use unused_tmp_array_for_use_macro[]{maybe_create_time_style }; (void)unused_tmp_array_for_use_macro; } while (false); |
| 736 | } |
| 737 | return options; |
| 738 | } |
| 739 | |
| 740 | namespace { |
| 741 | |
| 742 | // ecma402/#sec-formatdatetime |
| 743 | // FormatDateTime( dateTimeFormat, x ) |
| 744 | MaybeHandle<String> FormatDateTime(Isolate* isolate, |
| 745 | const icu::SimpleDateFormat& date_format, |
| 746 | double x) { |
| 747 | double date_value = DateCache::TimeClip(x); |
| 748 | if (std::isnan(date_value)) { |
| 749 | THROW_NEW_ERROR(isolate, NewRangeError(MessageTemplate::kInvalidTimeValue),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<String>(__isolate__->factory()->NewRangeError (MessageTemplate::kInvalidTimeValue)); } while (false) |
| 750 | String)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<String>(__isolate__->factory()->NewRangeError (MessageTemplate::kInvalidTimeValue)); } while (false); |
| 751 | } |
| 752 | |
| 753 | icu::UnicodeString result; |
| 754 | date_format.format(date_value, result); |
| 755 | |
| 756 | return Intl::ToString(isolate, result); |
| 757 | } |
| 758 | |
| 759 | } // namespace |
| 760 | |
| 761 | // ecma402/#sec-datetime-format-functions |
| 762 | // DateTime Format Functions |
| 763 | MaybeHandle<String> JSDateTimeFormat::DateTimeFormat( |
| 764 | Isolate* isolate, Handle<JSDateTimeFormat> date_time_format, |
| 765 | Handle<Object> date) { |
| 766 | // 2. Assert: Type(dtf) is Object and dtf has an [[InitializedDateTimeFormat]] |
| 767 | // internal slot. |
| 768 | |
| 769 | // 3. If date is not provided or is undefined, then |
| 770 | double x; |
| 771 | if (date->IsUndefined()) { |
| 772 | // 3.a Let x be Call(%Date_now%, undefined). |
| 773 | x = JSDate::CurrentTimeValue(isolate); |
| 774 | } else { |
| 775 | // 4. Else, |
| 776 | // a. Let x be ? ToNumber(date). |
| 777 | ASSIGN_RETURN_ON_EXCEPTION(isolate, date, Object::ToNumber(isolate, date),do { if (!(Object::ToNumber(isolate, date)).ToHandle(&date )) { ((void) 0); return MaybeHandle<String>(); } } while (false) |
| 778 | String)do { if (!(Object::ToNumber(isolate, date)).ToHandle(&date )) { ((void) 0); return MaybeHandle<String>(); } } while (false); |
| 779 | DCHECK(date->IsNumber())((void) 0); |
| 780 | x = date->Number(); |
| 781 | } |
| 782 | // 5. Return FormatDateTime(dtf, x). |
| 783 | icu::SimpleDateFormat* format = |
| 784 | date_time_format->icu_simple_date_format().raw(); |
| 785 | return FormatDateTime(isolate, *format, x); |
| 786 | } |
| 787 | |
| 788 | namespace { |
| 789 | Isolate::ICUObjectCacheType ConvertToCacheType( |
| 790 | JSDateTimeFormat::DefaultsOption type) { |
| 791 | switch (type) { |
| 792 | case JSDateTimeFormat::DefaultsOption::kDate: |
| 793 | return Isolate::ICUObjectCacheType::kDefaultSimpleDateFormatForDate; |
| 794 | case JSDateTimeFormat::DefaultsOption::kTime: |
| 795 | return Isolate::ICUObjectCacheType::kDefaultSimpleDateFormatForTime; |
| 796 | case JSDateTimeFormat::DefaultsOption::kAll: |
| 797 | return Isolate::ICUObjectCacheType::kDefaultSimpleDateFormat; |
| 798 | } |
| 799 | } |
| 800 | } // namespace |
| 801 | |
| 802 | MaybeHandle<String> JSDateTimeFormat::ToLocaleDateTime( |
| 803 | Isolate* isolate, Handle<Object> date, Handle<Object> locales, |
| 804 | Handle<Object> options, RequiredOption required, DefaultsOption defaults, |
| 805 | const char* method_name) { |
| 806 | Isolate::ICUObjectCacheType cache_type = ConvertToCacheType(defaults); |
| 807 | |
| 808 | Factory* factory = isolate->factory(); |
| 809 | // 1. Let x be ? thisTimeValue(this value); |
| 810 | if (!date->IsJSDate()) { |
| 811 | THROW_NEW_ERROR(isolate,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<String>(__isolate__->factory()->NewTypeError (MessageTemplate::kMethodInvokedOnWrongType, factory->Date_string ())); } while (false) |
| 812 | NewTypeError(MessageTemplate::kMethodInvokedOnWrongType,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<String>(__isolate__->factory()->NewTypeError (MessageTemplate::kMethodInvokedOnWrongType, factory->Date_string ())); } while (false) |
| 813 | factory->Date_string()),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<String>(__isolate__->factory()->NewTypeError (MessageTemplate::kMethodInvokedOnWrongType, factory->Date_string ())); } while (false) |
| 814 | String)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<String>(__isolate__->factory()->NewTypeError (MessageTemplate::kMethodInvokedOnWrongType, factory->Date_string ())); } while (false); |
| 815 | } |
| 816 | |
| 817 | double const x = Handle<JSDate>::cast(date)->value().Number(); |
| 818 | // 2. If x is NaN, return "Invalid Date" |
| 819 | if (std::isnan(x)) { |
| 820 | return factory->Invalid_Date_string(); |
| 821 | } |
| 822 | |
| 823 | // We only cache the instance when locales is a string/undefined and |
| 824 | // options is undefined, as that is the only case when the specified |
| 825 | // side-effects of examining those arguments are unobservable. |
| 826 | bool can_cache = (locales->IsString() || locales->IsUndefined(isolate)) && |
| 827 | options->IsUndefined(isolate); |
| 828 | if (can_cache) { |
| 829 | // Both locales and options are undefined, check the cache. |
| 830 | icu::SimpleDateFormat* cached_icu_simple_date_format = |
| 831 | static_cast<icu::SimpleDateFormat*>( |
| 832 | isolate->get_cached_icu_object(cache_type, locales)); |
| 833 | if (cached_icu_simple_date_format != nullptr) { |
| 834 | return FormatDateTime(isolate, *cached_icu_simple_date_format, x); |
| 835 | } |
| 836 | } |
| 837 | // 3. Let options be ? ToDateTimeOptions(options, required, defaults). |
| 838 | Handle<JSObject> internal_options; |
| 839 | ASSIGN_RETURN_ON_EXCEPTION(do { if (!(ToDateTimeOptions(isolate, options, required, defaults )).ToHandle(&internal_options)) { ((void) 0); return MaybeHandle <String>(); } } while (false) |
| 840 | isolate, internal_options,do { if (!(ToDateTimeOptions(isolate, options, required, defaults )).ToHandle(&internal_options)) { ((void) 0); return MaybeHandle <String>(); } } while (false) |
| 841 | ToDateTimeOptions(isolate, options, required, defaults), String)do { if (!(ToDateTimeOptions(isolate, options, required, defaults )).ToHandle(&internal_options)) { ((void) 0); return MaybeHandle <String>(); } } while (false); |
| 842 | |
| 843 | // 4. Let dateFormat be ? Construct(%DateTimeFormat%, « locales, options »). |
| 844 | Handle<JSFunction> constructor = Handle<JSFunction>( |
| 845 | JSFunction::cast( |
| 846 | isolate->context().native_context().intl_date_time_format_function()), |
| 847 | isolate); |
| 848 | Handle<Map> map; |
| 849 | ASSIGN_RETURN_ON_EXCEPTION(do { if (!(JSFunction::GetDerivedMap(isolate, constructor, constructor )).ToHandle(&map)) { ((void) 0); return MaybeHandle<String >(); } } while (false) |
| 850 | isolate, map,do { if (!(JSFunction::GetDerivedMap(isolate, constructor, constructor )).ToHandle(&map)) { ((void) 0); return MaybeHandle<String >(); } } while (false) |
| 851 | JSFunction::GetDerivedMap(isolate, constructor, constructor), String)do { if (!(JSFunction::GetDerivedMap(isolate, constructor, constructor )).ToHandle(&map)) { ((void) 0); return MaybeHandle<String >(); } } while (false); |
| 852 | Handle<JSDateTimeFormat> date_time_format; |
| 853 | ASSIGN_RETURN_ON_EXCEPTION(do { if (!(JSDateTimeFormat::New(isolate, map, locales, internal_options , method_name)).ToHandle(&date_time_format)) { ((void) 0) ; return MaybeHandle<String>(); } } while (false) |
| 854 | isolate, date_time_format,do { if (!(JSDateTimeFormat::New(isolate, map, locales, internal_options , method_name)).ToHandle(&date_time_format)) { ((void) 0) ; return MaybeHandle<String>(); } } while (false) |
| 855 | JSDateTimeFormat::New(isolate, map, locales, internal_options,do { if (!(JSDateTimeFormat::New(isolate, map, locales, internal_options , method_name)).ToHandle(&date_time_format)) { ((void) 0) ; return MaybeHandle<String>(); } } while (false) |
| 856 | method_name),do { if (!(JSDateTimeFormat::New(isolate, map, locales, internal_options , method_name)).ToHandle(&date_time_format)) { ((void) 0) ; return MaybeHandle<String>(); } } while (false) |
| 857 | String)do { if (!(JSDateTimeFormat::New(isolate, map, locales, internal_options , method_name)).ToHandle(&date_time_format)) { ((void) 0) ; return MaybeHandle<String>(); } } while (false); |
| 858 | |
| 859 | if (can_cache) { |
| 860 | isolate->set_icu_object_in_cache( |
| 861 | cache_type, locales, |
| 862 | std::static_pointer_cast<icu::UMemory>( |
| 863 | date_time_format->icu_simple_date_format().get())); |
| 864 | } |
| 865 | // 5. Return FormatDateTime(dateFormat, x). |
| 866 | icu::SimpleDateFormat* format = |
| 867 | date_time_format->icu_simple_date_format().raw(); |
| 868 | return FormatDateTime(isolate, *format, x); |
| 869 | } |
| 870 | |
| 871 | namespace { |
| 872 | |
| 873 | Maybe<bool> IsPropertyUndefined(Isolate* isolate, Handle<JSObject> options, |
| 874 | Handle<String> property) { |
| 875 | // i. Let prop be the property name. |
| 876 | // ii. Let value be ? Get(options, prop). |
| 877 | Handle<Object> value; |
| 878 | ASSIGN_RETURN_ON_EXCEPTION_VALUE(do { if (!(Object::GetPropertyOrElement(isolate, options, property )).ToHandle(&value)) { ((void) 0); return Nothing<bool >(); } } while (false) |
| 879 | isolate, value, Object::GetPropertyOrElement(isolate, options, property),do { if (!(Object::GetPropertyOrElement(isolate, options, property )).ToHandle(&value)) { ((void) 0); return Nothing<bool >(); } } while (false) |
| 880 | Nothing<bool>())do { if (!(Object::GetPropertyOrElement(isolate, options, property )).ToHandle(&value)) { ((void) 0); return Nothing<bool >(); } } while (false); |
| 881 | return Just(value->IsUndefined(isolate)); |
| 882 | } |
| 883 | |
| 884 | Maybe<bool> NeedsDefault(Isolate* isolate, Handle<JSObject> options, |
| 885 | const std::vector<Handle<String>>& props) { |
| 886 | bool needs_default = true; |
| 887 | for (const auto& prop : props) { |
| 888 | // i. Let prop be the property name. |
| 889 | // ii. Let value be ? Get(options, prop) |
| 890 | Maybe<bool> maybe_undefined = IsPropertyUndefined(isolate, options, prop); |
| 891 | MAYBE_RETURN(maybe_undefined, Nothing<bool>())do { if ((maybe_undefined).IsNothing()) return Nothing<bool >(); } while (false); |
| 892 | // iii. If value is not undefined, let needDefaults be false. |
| 893 | if (!maybe_undefined.FromJust()) { |
| 894 | needs_default = false; |
| 895 | } |
| 896 | } |
| 897 | return Just(needs_default); |
| 898 | } |
| 899 | |
| 900 | Maybe<bool> CreateDefault(Isolate* isolate, Handle<JSObject> options, |
| 901 | const std::vector<std::string>& props) { |
| 902 | Factory* factory = isolate->factory(); |
| 903 | // i. Perform ? CreateDataPropertyOrThrow(options, prop, "numeric"). |
| 904 | for (const auto& prop : props) { |
| 905 | MAYBE_RETURN(do { if ((JSReceiver::CreateDataProperty( isolate, options, factory ->NewStringFromAsciiChecked(prop.c_str()), factory->numeric_string (), Just(kThrowOnError))).IsNothing()) return Nothing<bool >(); } while (false) |
| 906 | JSReceiver::CreateDataProperty(do { if ((JSReceiver::CreateDataProperty( isolate, options, factory ->NewStringFromAsciiChecked(prop.c_str()), factory->numeric_string (), Just(kThrowOnError))).IsNothing()) return Nothing<bool >(); } while (false) |
| 907 | isolate, options, factory->NewStringFromAsciiChecked(prop.c_str()),do { if ((JSReceiver::CreateDataProperty( isolate, options, factory ->NewStringFromAsciiChecked(prop.c_str()), factory->numeric_string (), Just(kThrowOnError))).IsNothing()) return Nothing<bool >(); } while (false) |
| 908 | factory->numeric_string(), Just(kThrowOnError)),do { if ((JSReceiver::CreateDataProperty( isolate, options, factory ->NewStringFromAsciiChecked(prop.c_str()), factory->numeric_string (), Just(kThrowOnError))).IsNothing()) return Nothing<bool >(); } while (false) |
| 909 | Nothing<bool>())do { if ((JSReceiver::CreateDataProperty( isolate, options, factory ->NewStringFromAsciiChecked(prop.c_str()), factory->numeric_string (), Just(kThrowOnError))).IsNothing()) return Nothing<bool >(); } while (false); |
| 910 | } |
| 911 | return Just(true); |
| 912 | } |
| 913 | |
| 914 | } // namespace |
| 915 | |
| 916 | // ecma-402/#sec-todatetimeoptions |
| 917 | MaybeHandle<JSObject> JSDateTimeFormat::ToDateTimeOptions( |
| 918 | Isolate* isolate, Handle<Object> input_options, RequiredOption required, |
| 919 | DefaultsOption defaults) { |
| 920 | Factory* factory = isolate->factory(); |
| 921 | // 1. If options is undefined, let options be null; otherwise let options be ? |
| 922 | // ToObject(options). |
| 923 | Handle<JSObject> options; |
| 924 | if (input_options->IsUndefined(isolate)) { |
| 925 | options = factory->NewJSObjectWithNullProto(); |
| 926 | } else { |
| 927 | Handle<JSReceiver> options_obj; |
| 928 | ASSIGN_RETURN_ON_EXCEPTION(isolate, options_obj,do { if (!(Object::ToObject(isolate, input_options)).ToHandle (&options_obj)) { ((void) 0); return MaybeHandle<JSObject >(); } } while (false) |
| 929 | Object::ToObject(isolate, input_options),do { if (!(Object::ToObject(isolate, input_options)).ToHandle (&options_obj)) { ((void) 0); return MaybeHandle<JSObject >(); } } while (false) |
| 930 | JSObject)do { if (!(Object::ToObject(isolate, input_options)).ToHandle (&options_obj)) { ((void) 0); return MaybeHandle<JSObject >(); } } while (false); |
| 931 | // 2. Let options be ObjectCreate(options). |
| 932 | ASSIGN_RETURN_ON_EXCEPTION(isolate, options,do { if (!(JSObject::ObjectCreate(isolate, options_obj)).ToHandle (&options)) { ((void) 0); return MaybeHandle<JSObject> (); } } while (false) |
| 933 | JSObject::ObjectCreate(isolate, options_obj),do { if (!(JSObject::ObjectCreate(isolate, options_obj)).ToHandle (&options)) { ((void) 0); return MaybeHandle<JSObject> (); } } while (false) |
| 934 | JSObject)do { if (!(JSObject::ObjectCreate(isolate, options_obj)).ToHandle (&options)) { ((void) 0); return MaybeHandle<JSObject> (); } } while (false); |
| 935 | } |
| 936 | |
| 937 | // 3. Let needDefaults be true. |
| 938 | bool needs_default = true; |
| 939 | |
| 940 | // 4. If required is "date" or "any", then |
| 941 | if (required == RequiredOption::kAny || required == RequiredOption::kDate) { |
| 942 | // a. For each of the property names "weekday", "year", "month", |
| 943 | // "day", do |
| 944 | std::vector<Handle<String>> list( |
| 945 | {factory->weekday_string(), factory->year_string()}); |
| 946 | list.push_back(factory->month_string()); |
| 947 | list.push_back(factory->day_string()); |
| 948 | Maybe<bool> maybe_needs_default = NeedsDefault(isolate, options, list); |
| 949 | MAYBE_RETURN(maybe_needs_default, Handle<JSObject>())do { if ((maybe_needs_default).IsNothing()) return Handle< JSObject>(); } while (false); |
| 950 | needs_default = maybe_needs_default.FromJust(); |
| 951 | } |
| 952 | |
| 953 | // 5. If required is "time" or "any", then |
| 954 | if (required == RequiredOption::kAny || required == RequiredOption::kTime) { |
| 955 | // a. For each of the property names "dayPeriod", "hour", "minute", |
| 956 | // "second", "fractionalSecondDigits", do |
| 957 | std::vector<Handle<String>> list; |
| 958 | list.push_back(factory->dayPeriod_string()); |
| 959 | list.push_back(factory->hour_string()); |
| 960 | list.push_back(factory->minute_string()); |
| 961 | list.push_back(factory->second_string()); |
| 962 | list.push_back(factory->fractionalSecondDigits_string()); |
| 963 | Maybe<bool> maybe_needs_default = NeedsDefault(isolate, options, list); |
| 964 | MAYBE_RETURN(maybe_needs_default, Handle<JSObject>())do { if ((maybe_needs_default).IsNothing()) return Handle< JSObject>(); } while (false); |
| 965 | needs_default &= maybe_needs_default.FromJust(); |
| 966 | } |
| 967 | |
| 968 | // 6. Let dateStyle be ? Get(options, "dateStyle"). |
| 969 | Maybe<bool> maybe_datestyle_undefined = |
| 970 | IsPropertyUndefined(isolate, options, factory->dateStyle_string()); |
| 971 | MAYBE_RETURN(maybe_datestyle_undefined, Handle<JSObject>())do { if ((maybe_datestyle_undefined).IsNothing()) return Handle <JSObject>(); } while (false); |
| 972 | // 7. Let timeStyle be ? Get(options, "timeStyle"). |
| 973 | Maybe<bool> maybe_timestyle_undefined = |
| 974 | IsPropertyUndefined(isolate, options, factory->timeStyle_string()); |
| 975 | MAYBE_RETURN(maybe_timestyle_undefined, Handle<JSObject>())do { if ((maybe_timestyle_undefined).IsNothing()) return Handle <JSObject>(); } while (false); |
| 976 | // 8. If dateStyle is not undefined or timeStyle is not undefined, let |
| 977 | // needDefaults be false. |
| 978 | if (!maybe_datestyle_undefined.FromJust() || |
| 979 | !maybe_timestyle_undefined.FromJust()) { |
| 980 | needs_default = false; |
| 981 | } |
| 982 | // 9. If required is "date" and timeStyle is not undefined, |
| 983 | if (required == RequiredOption::kDate && |
| 984 | !maybe_timestyle_undefined.FromJust()) { |
| 985 | // a. Throw a TypeError exception. |
| 986 | THROW_NEW_ERROR(do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSObject>(__isolate__->factory()->NewTypeError (MessageTemplate::kInvalid, factory->NewStringFromStaticChars ("option"), factory->NewStringFromStaticChars("timeStyle") )); } while (false) |
| 987 | isolate,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSObject>(__isolate__->factory()->NewTypeError (MessageTemplate::kInvalid, factory->NewStringFromStaticChars ("option"), factory->NewStringFromStaticChars("timeStyle") )); } while (false) |
| 988 | NewTypeError(MessageTemplate::kInvalid,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSObject>(__isolate__->factory()->NewTypeError (MessageTemplate::kInvalid, factory->NewStringFromStaticChars ("option"), factory->NewStringFromStaticChars("timeStyle") )); } while (false) |
| 989 | factory->NewStringFromStaticChars("option"),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSObject>(__isolate__->factory()->NewTypeError (MessageTemplate::kInvalid, factory->NewStringFromStaticChars ("option"), factory->NewStringFromStaticChars("timeStyle") )); } while (false) |
| 990 | factory->NewStringFromStaticChars("timeStyle")),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSObject>(__isolate__->factory()->NewTypeError (MessageTemplate::kInvalid, factory->NewStringFromStaticChars ("option"), factory->NewStringFromStaticChars("timeStyle") )); } while (false) |
| 991 | JSObject)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSObject>(__isolate__->factory()->NewTypeError (MessageTemplate::kInvalid, factory->NewStringFromStaticChars ("option"), factory->NewStringFromStaticChars("timeStyle") )); } while (false); |
| 992 | } |
| 993 | // 10. If required is "time" and dateStyle is not undefined, |
| 994 | if (required == RequiredOption::kTime && |
| 995 | !maybe_datestyle_undefined.FromJust()) { |
| 996 | // a. Throw a TypeError exception. |
| 997 | THROW_NEW_ERROR(do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSObject>(__isolate__->factory()->NewTypeError (MessageTemplate::kInvalid, factory->NewStringFromStaticChars ("option"), factory->NewStringFromStaticChars("dateStyle") )); } while (false) |
| 998 | isolate,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSObject>(__isolate__->factory()->NewTypeError (MessageTemplate::kInvalid, factory->NewStringFromStaticChars ("option"), factory->NewStringFromStaticChars("dateStyle") )); } while (false) |
| 999 | NewTypeError(MessageTemplate::kInvalid,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSObject>(__isolate__->factory()->NewTypeError (MessageTemplate::kInvalid, factory->NewStringFromStaticChars ("option"), factory->NewStringFromStaticChars("dateStyle") )); } while (false) |
| 1000 | factory->NewStringFromStaticChars("option"),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSObject>(__isolate__->factory()->NewTypeError (MessageTemplate::kInvalid, factory->NewStringFromStaticChars ("option"), factory->NewStringFromStaticChars("dateStyle") )); } while (false) |
| 1001 | factory->NewStringFromStaticChars("dateStyle")),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSObject>(__isolate__->factory()->NewTypeError (MessageTemplate::kInvalid, factory->NewStringFromStaticChars ("option"), factory->NewStringFromStaticChars("dateStyle") )); } while (false) |
| 1002 | JSObject)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSObject>(__isolate__->factory()->NewTypeError (MessageTemplate::kInvalid, factory->NewStringFromStaticChars ("option"), factory->NewStringFromStaticChars("dateStyle") )); } while (false); |
| 1003 | } |
| 1004 | |
| 1005 | // 11. If needDefaults is true and defaults is either "date" or "all", then |
| 1006 | if (needs_default) { |
| 1007 | if (defaults == DefaultsOption::kAll || defaults == DefaultsOption::kDate) { |
| 1008 | // a. For each of the property names "year", "month", "day", do) |
| 1009 | const std::vector<std::string> list({"year", "month", "day"}); |
| 1010 | MAYBE_RETURN(CreateDefault(isolate, options, list), Handle<JSObject>())do { if ((CreateDefault(isolate, options, list)).IsNothing()) return Handle<JSObject>(); } while (false); |
| 1011 | } |
| 1012 | // 12. If needDefaults is true and defaults is either "time" or "all", then |
| 1013 | if (defaults == DefaultsOption::kAll || defaults == DefaultsOption::kTime) { |
| 1014 | // a. For each of the property names "hour", "minute", "second", do |
| 1015 | const std::vector<std::string> list({"hour", "minute", "second"}); |
| 1016 | MAYBE_RETURN(CreateDefault(isolate, options, list), Handle<JSObject>())do { if ((CreateDefault(isolate, options, list)).IsNothing()) return Handle<JSObject>(); } while (false); |
| 1017 | } |
| 1018 | } |
| 1019 | // 13. Return options. |
| 1020 | return options; |
| 1021 | } |
| 1022 | |
| 1023 | MaybeHandle<JSDateTimeFormat> JSDateTimeFormat::UnwrapDateTimeFormat( |
| 1024 | Isolate* isolate, Handle<JSReceiver> format_holder) { |
| 1025 | Handle<Context> native_context = |
| 1026 | Handle<Context>(isolate->context().native_context(), isolate); |
| 1027 | Handle<JSFunction> constructor = Handle<JSFunction>( |
| 1028 | JSFunction::cast(native_context->intl_date_time_format_function()), |
| 1029 | isolate); |
| 1030 | Handle<Object> dtf; |
| 1031 | ASSIGN_RETURN_ON_EXCEPTION(do { if (!(Intl::LegacyUnwrapReceiver(isolate, format_holder, constructor, format_holder->IsJSDateTimeFormat())).ToHandle (&dtf)) { ((void) 0); return MaybeHandle<JSDateTimeFormat >(); } } while (false) |
| 1032 | isolate, dtf,do { if (!(Intl::LegacyUnwrapReceiver(isolate, format_holder, constructor, format_holder->IsJSDateTimeFormat())).ToHandle (&dtf)) { ((void) 0); return MaybeHandle<JSDateTimeFormat >(); } } while (false) |
| 1033 | Intl::LegacyUnwrapReceiver(isolate, format_holder, constructor,do { if (!(Intl::LegacyUnwrapReceiver(isolate, format_holder, constructor, format_holder->IsJSDateTimeFormat())).ToHandle (&dtf)) { ((void) 0); return MaybeHandle<JSDateTimeFormat >(); } } while (false) |
| 1034 | format_holder->IsJSDateTimeFormat()),do { if (!(Intl::LegacyUnwrapReceiver(isolate, format_holder, constructor, format_holder->IsJSDateTimeFormat())).ToHandle (&dtf)) { ((void) 0); return MaybeHandle<JSDateTimeFormat >(); } } while (false) |
| 1035 | JSDateTimeFormat)do { if (!(Intl::LegacyUnwrapReceiver(isolate, format_holder, constructor, format_holder->IsJSDateTimeFormat())).ToHandle (&dtf)) { ((void) 0); return MaybeHandle<JSDateTimeFormat >(); } } while (false); |
| 1036 | // 2. If Type(dtf) is not Object or dtf does not have an |
| 1037 | // [[InitializedDateTimeFormat]] internal slot, then |
| 1038 | if (!dtf->IsJSDateTimeFormat()) { |
| 1039 | // a. Throw a TypeError exception. |
| 1040 | THROW_NEW_ERROR(isolate,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kIncompatibleMethodReceiver, isolate ->factory()->NewStringFromAsciiChecked( "UnwrapDateTimeFormat" ), format_holder)); } while (false) |
| 1041 | NewTypeError(MessageTemplate::kIncompatibleMethodReceiver,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kIncompatibleMethodReceiver, isolate ->factory()->NewStringFromAsciiChecked( "UnwrapDateTimeFormat" ), format_holder)); } while (false) |
| 1042 | isolate->factory()->NewStringFromAsciiChecked(do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kIncompatibleMethodReceiver, isolate ->factory()->NewStringFromAsciiChecked( "UnwrapDateTimeFormat" ), format_holder)); } while (false) |
| 1043 | "UnwrapDateTimeFormat"),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kIncompatibleMethodReceiver, isolate ->factory()->NewStringFromAsciiChecked( "UnwrapDateTimeFormat" ), format_holder)); } while (false) |
| 1044 | format_holder),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kIncompatibleMethodReceiver, isolate ->factory()->NewStringFromAsciiChecked( "UnwrapDateTimeFormat" ), format_holder)); } while (false) |
| 1045 | JSDateTimeFormat)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kIncompatibleMethodReceiver, isolate ->factory()->NewStringFromAsciiChecked( "UnwrapDateTimeFormat" ), format_holder)); } while (false); |
| 1046 | } |
| 1047 | // 3. Return dtf. |
| 1048 | return Handle<JSDateTimeFormat>::cast(dtf); |
| 1049 | } |
| 1050 | |
| 1051 | std::unique_ptr<icu::TimeZone> JSDateTimeFormat::CreateTimeZone( |
| 1052 | const char* timezone) { |
| 1053 | // Create time zone as specified by the user. We have to re-create time zone |
| 1054 | // since calendar takes ownership. |
| 1055 | if (timezone == nullptr) { |
| 1056 | // 19.a. Else / Let timeZone be DefaultTimeZone(). |
| 1057 | return std::unique_ptr<icu::TimeZone>(icu::TimeZone::createDefault()); |
| 1058 | } |
| 1059 | std::string canonicalized = CanonicalizeTimeZoneID(timezone); |
| 1060 | if (canonicalized.empty()) return std::unique_ptr<icu::TimeZone>(); |
| 1061 | std::unique_ptr<icu::TimeZone> tz( |
| 1062 | icu::TimeZone::createTimeZone(canonicalized.c_str())); |
| 1063 | // 18.b If the result of IsValidTimeZoneName(timeZone) is false, then |
| 1064 | // i. Throw a RangeError exception. |
| 1065 | if (!Intl::IsValidTimeZoneName(*tz)) return std::unique_ptr<icu::TimeZone>(); |
| 1066 | return tz; |
| 1067 | } |
| 1068 | |
| 1069 | namespace { |
| 1070 | |
| 1071 | class CalendarCache { |
| 1072 | public: |
| 1073 | icu::Calendar* CreateCalendar(const icu::Locale& locale, icu::TimeZone* tz) { |
| 1074 | icu::UnicodeString tz_id; |
| 1075 | tz->getID(tz_id); |
| 1076 | std::string key; |
| 1077 | tz_id.toUTF8String<std::string>(key); |
| 1078 | key += ":"; |
| 1079 | key += locale.getName(); |
| 1080 | |
| 1081 | base::MutexGuard guard(&mutex_); |
| 1082 | auto it = map_.find(key); |
| 1083 | if (it != map_.end()) { |
| 1084 | delete tz; |
| 1085 | return it->second->clone(); |
| 1086 | } |
| 1087 | // Create a calendar using locale, and apply time zone to it. |
| 1088 | UErrorCode status = U_ZERO_ERROR; |
| 1089 | std::unique_ptr<icu::Calendar> calendar( |
| 1090 | icu::Calendar::createInstance(tz, locale, status)); |
| 1091 | DCHECK(U_SUCCESS(status))((void) 0); |
| 1092 | DCHECK_NOT_NULL(calendar.get())((void) 0); |
| 1093 | |
| 1094 | if (calendar->getDynamicClassID() == |
| 1095 | icu::GregorianCalendar::getStaticClassID()) { |
| 1096 | icu::GregorianCalendar* gc = |
| 1097 | static_cast<icu::GregorianCalendar*>(calendar.get()); |
| 1098 | status = U_ZERO_ERROR; |
| 1099 | // The beginning of ECMAScript time, namely -(2**53) |
| 1100 | const double start_of_time = -9007199254740992; |
| 1101 | gc->setGregorianChange(start_of_time, status); |
| 1102 | DCHECK(U_SUCCESS(status))((void) 0); |
| 1103 | } |
| 1104 | |
| 1105 | if (map_.size() > 8) { // Cache at most 8 calendars. |
| 1106 | map_.clear(); |
| 1107 | } |
| 1108 | map_[key].reset(calendar.release()); |
| 1109 | return map_[key]->clone(); |
| 1110 | } |
| 1111 | |
| 1112 | private: |
| 1113 | std::map<std::string, std::unique_ptr<icu::Calendar>> map_; |
| 1114 | base::Mutex mutex_; |
| 1115 | }; |
| 1116 | |
| 1117 | icu::Calendar* CreateCalendar(Isolate* isolate, const icu::Locale& icu_locale, |
| 1118 | icu::TimeZone* tz) { |
| 1119 | static base::LazyInstance<CalendarCache>::type calendar_cache = |
| 1120 | LAZY_INSTANCE_INITIALIZER{ { 0 }, { {} } }; |
| 1121 | return calendar_cache.Pointer()->CreateCalendar(icu_locale, tz); |
| 1122 | } |
| 1123 | |
| 1124 | icu::UnicodeString ReplaceHourCycleInPattern(icu::UnicodeString pattern, |
| 1125 | JSDateTimeFormat::HourCycle hc) { |
| 1126 | char16_t replacement; |
| 1127 | switch (hc) { |
| 1128 | case JSDateTimeFormat::HourCycle::kUndefined: |
| 1129 | return pattern; |
| 1130 | case JSDateTimeFormat::HourCycle::kH11: |
| 1131 | replacement = 'K'; |
| 1132 | break; |
| 1133 | case JSDateTimeFormat::HourCycle::kH12: |
| 1134 | replacement = 'h'; |
| 1135 | break; |
| 1136 | case JSDateTimeFormat::HourCycle::kH23: |
| 1137 | replacement = 'H'; |
| 1138 | break; |
| 1139 | case JSDateTimeFormat::HourCycle::kH24: |
| 1140 | replacement = 'k'; |
| 1141 | break; |
| 1142 | } |
| 1143 | bool replace = true; |
| 1144 | icu::UnicodeString result; |
| 1145 | char16_t last = u'\0'; |
| 1146 | for (int32_t i = 0; i < pattern.length(); i++) { |
| 1147 | char16_t ch = pattern.charAt(i); |
| 1148 | switch (ch) { |
| 1149 | case '\'': |
| 1150 | replace = !replace; |
| 1151 | result.append(ch); |
| 1152 | break; |
| 1153 | case 'H': |
| 1154 | V8_FALLTHROUGH[[clang::fallthrough]]; |
| 1155 | case 'h': |
| 1156 | V8_FALLTHROUGH[[clang::fallthrough]]; |
| 1157 | case 'K': |
| 1158 | V8_FALLTHROUGH[[clang::fallthrough]]; |
| 1159 | case 'k': |
| 1160 | // If the previous field is a day, add a space before the hour. |
| 1161 | if (replace && last == u'd') { |
| 1162 | result.append(' '); |
| 1163 | } |
| 1164 | result.append(replace ? replacement : ch); |
| 1165 | break; |
| 1166 | default: |
| 1167 | result.append(ch); |
| 1168 | break; |
| 1169 | } |
| 1170 | last = ch; |
| 1171 | } |
| 1172 | return result; |
| 1173 | } |
| 1174 | |
| 1175 | std::unique_ptr<icu::SimpleDateFormat> CreateICUDateFormat( |
| 1176 | const icu::Locale& icu_locale, const icu::UnicodeString& skeleton, |
| 1177 | icu::DateTimePatternGenerator* generator, JSDateTimeFormat::HourCycle hc) { |
| 1178 | // See https://github.com/tc39/ecma402/issues/225 . The best pattern |
| 1179 | // generation needs to be done in the base locale according to the |
| 1180 | // current spec however odd it may be. See also crbug.com/826549 . |
| 1181 | // This is a temporary work-around to get v8's external behavior to match |
| 1182 | // the current spec, but does not follow the spec provisions mentioned |
| 1183 | // in the above Ecma 402 issue. |
| 1184 | // TODO(jshin): The spec may need to be revised because using the base |
| 1185 | // locale for the pattern match is not quite right. Moreover, what to |
| 1186 | // do with 'related year' part when 'chinese/dangi' calendar is specified |
| 1187 | // has to be discussed. Revisit once the spec is clarified/revised. |
| 1188 | icu::UnicodeString pattern; |
| 1189 | UErrorCode status = U_ZERO_ERROR; |
| 1190 | pattern = generator->getBestPattern(skeleton, UDATPG_MATCH_HOUR_FIELD_LENGTH, |
| 1191 | status); |
| 1192 | pattern = ReplaceHourCycleInPattern(pattern, hc); |
| 1193 | DCHECK(U_SUCCESS(status))((void) 0); |
| 1194 | |
| 1195 | // Make formatter from skeleton. Calendar and numbering system are added |
| 1196 | // to the locale as Unicode extension (if they were specified at all). |
| 1197 | status = U_ZERO_ERROR; |
| 1198 | std::unique_ptr<icu::SimpleDateFormat> date_format( |
| 1199 | new icu::SimpleDateFormat(pattern, icu_locale, status)); |
| 1200 | if (U_FAILURE(status)) return std::unique_ptr<icu::SimpleDateFormat>(); |
| 1201 | |
| 1202 | DCHECK_NOT_NULL(date_format.get())((void) 0); |
| 1203 | return date_format; |
| 1204 | } |
| 1205 | |
| 1206 | class DateFormatCache { |
| 1207 | public: |
| 1208 | icu::SimpleDateFormat* Create(const icu::Locale& icu_locale, |
| 1209 | const icu::UnicodeString& skeleton, |
| 1210 | icu::DateTimePatternGenerator* generator, |
| 1211 | JSDateTimeFormat::HourCycle hc) { |
| 1212 | std::string key; |
| 1213 | skeleton.toUTF8String<std::string>(key); |
| 1214 | key += ":"; |
| 1215 | key += icu_locale.getName(); |
| 1216 | |
| 1217 | base::MutexGuard guard(&mutex_); |
| 1218 | auto it = map_.find(key); |
| 1219 | if (it != map_.end()) { |
| 1220 | return static_cast<icu::SimpleDateFormat*>(it->second->clone()); |
| 1221 | } |
| 1222 | |
| 1223 | if (map_.size() > 8) { // Cache at most 8 DateFormats. |
| 1224 | map_.clear(); |
| 1225 | } |
| 1226 | std::unique_ptr<icu::SimpleDateFormat> instance( |
| 1227 | CreateICUDateFormat(icu_locale, skeleton, generator, hc)); |
| 1228 | if (instance.get() == nullptr) return nullptr; |
| 1229 | map_[key] = std::move(instance); |
| 1230 | return static_cast<icu::SimpleDateFormat*>(map_[key]->clone()); |
| 1231 | } |
| 1232 | |
| 1233 | private: |
| 1234 | std::map<std::string, std::unique_ptr<icu::SimpleDateFormat>> map_; |
| 1235 | base::Mutex mutex_; |
| 1236 | }; |
| 1237 | |
| 1238 | std::unique_ptr<icu::SimpleDateFormat> CreateICUDateFormatFromCache( |
| 1239 | const icu::Locale& icu_locale, const icu::UnicodeString& skeleton, |
| 1240 | icu::DateTimePatternGenerator* generator, JSDateTimeFormat::HourCycle hc) { |
| 1241 | static base::LazyInstance<DateFormatCache>::type cache = |
| 1242 | LAZY_INSTANCE_INITIALIZER{ { 0 }, { {} } }; |
| 1243 | return std::unique_ptr<icu::SimpleDateFormat>( |
| 1244 | cache.Pointer()->Create(icu_locale, skeleton, generator, hc)); |
| 1245 | } |
| 1246 | |
| 1247 | icu::UnicodeString SkeletonFromDateFormat( |
| 1248 | const icu::SimpleDateFormat& icu_date_format) { |
| 1249 | icu::UnicodeString pattern; |
| 1250 | pattern = icu_date_format.toPattern(pattern); |
| 1251 | |
| 1252 | UErrorCode status = U_ZERO_ERROR; |
| 1253 | icu::UnicodeString skeleton = |
| 1254 | icu::DateTimePatternGenerator::staticGetSkeleton(pattern, status); |
| 1255 | DCHECK(U_SUCCESS(status))((void) 0); |
| 1256 | return skeleton; |
| 1257 | } |
| 1258 | |
| 1259 | icu::DateIntervalFormat* LazyCreateDateIntervalFormat( |
| 1260 | Isolate* isolate, Handle<JSDateTimeFormat> date_time_format) { |
| 1261 | Managed<icu::DateIntervalFormat> managed_format = |
| 1262 | date_time_format->icu_date_interval_format(); |
| 1263 | if (managed_format.get()) { |
| 1264 | return managed_format.raw(); |
| 1265 | } |
| 1266 | icu::SimpleDateFormat* icu_simple_date_format = |
| 1267 | date_time_format->icu_simple_date_format().raw(); |
| 1268 | UErrorCode status = U_ZERO_ERROR; |
| 1269 | |
| 1270 | icu::Locale loc = *(date_time_format->icu_locale().raw()); |
| 1271 | // We need to pass in the hc to DateIntervalFormat by using Unicode 'hc' |
| 1272 | // extension. |
| 1273 | std::string hcString = ToHourCycleString(date_time_format->hour_cycle()); |
| 1274 | if (!hcString.empty()) { |
| 1275 | loc.setUnicodeKeywordValue("hc", hcString, status); |
| 1276 | } |
| 1277 | |
| 1278 | std::unique_ptr<icu::DateIntervalFormat> date_interval_format( |
| 1279 | icu::DateIntervalFormat::createInstance( |
| 1280 | SkeletonFromDateFormat(*icu_simple_date_format), loc, status)); |
| 1281 | if (U_FAILURE(status)) { |
| 1282 | return nullptr; |
| 1283 | } |
| 1284 | date_interval_format->setTimeZone(icu_simple_date_format->getTimeZone()); |
| 1285 | Handle<Managed<icu::DateIntervalFormat>> managed_interval_format = |
| 1286 | Managed<icu::DateIntervalFormat>::FromUniquePtr( |
| 1287 | isolate, 0, std::move(date_interval_format)); |
| 1288 | date_time_format->set_icu_date_interval_format(*managed_interval_format); |
| 1289 | return (*managed_interval_format).raw(); |
| 1290 | } |
| 1291 | |
| 1292 | JSDateTimeFormat::HourCycle HourCycleFromPattern( |
| 1293 | const icu::UnicodeString pattern) { |
| 1294 | bool in_quote = false; |
| 1295 | for (int32_t i = 0; i < pattern.length(); i++) { |
| 1296 | char16_t ch = pattern[i]; |
| 1297 | switch (ch) { |
| 1298 | case '\'': |
| 1299 | in_quote = !in_quote; |
| 1300 | break; |
| 1301 | case 'K': |
| 1302 | if (!in_quote) return JSDateTimeFormat::HourCycle::kH11; |
| 1303 | break; |
| 1304 | case 'h': |
| 1305 | if (!in_quote) return JSDateTimeFormat::HourCycle::kH12; |
| 1306 | break; |
| 1307 | case 'H': |
| 1308 | if (!in_quote) return JSDateTimeFormat::HourCycle::kH23; |
| 1309 | break; |
| 1310 | case 'k': |
| 1311 | if (!in_quote) return JSDateTimeFormat::HourCycle::kH24; |
| 1312 | break; |
| 1313 | } |
| 1314 | } |
| 1315 | return JSDateTimeFormat::HourCycle::kUndefined; |
| 1316 | } |
| 1317 | |
| 1318 | icu::DateFormat::EStyle DateTimeStyleToEStyle( |
| 1319 | JSDateTimeFormat::DateTimeStyle style) { |
| 1320 | switch (style) { |
| 1321 | case JSDateTimeFormat::DateTimeStyle::kFull: |
| 1322 | return icu::DateFormat::EStyle::kFull; |
| 1323 | case JSDateTimeFormat::DateTimeStyle::kLong: |
| 1324 | return icu::DateFormat::EStyle::kLong; |
| 1325 | case JSDateTimeFormat::DateTimeStyle::kMedium: |
| 1326 | return icu::DateFormat::EStyle::kMedium; |
| 1327 | case JSDateTimeFormat::DateTimeStyle::kShort: |
| 1328 | return icu::DateFormat::EStyle::kShort; |
| 1329 | case JSDateTimeFormat::DateTimeStyle::kUndefined: |
| 1330 | UNREACHABLE()V8_Fatal("unreachable code"); |
| 1331 | } |
| 1332 | } |
| 1333 | |
| 1334 | icu::UnicodeString ReplaceSkeleton(const icu::UnicodeString input, |
| 1335 | JSDateTimeFormat::HourCycle hc) { |
| 1336 | icu::UnicodeString result; |
| 1337 | char16_t to; |
| 1338 | switch (hc) { |
| 1339 | case JSDateTimeFormat::HourCycle::kH11: |
| 1340 | to = 'K'; |
| 1341 | break; |
| 1342 | case JSDateTimeFormat::HourCycle::kH12: |
| 1343 | to = 'h'; |
| 1344 | break; |
| 1345 | case JSDateTimeFormat::HourCycle::kH23: |
| 1346 | to = 'H'; |
| 1347 | break; |
| 1348 | case JSDateTimeFormat::HourCycle::kH24: |
| 1349 | to = 'k'; |
| 1350 | break; |
| 1351 | case JSDateTimeFormat::HourCycle::kUndefined: |
| 1352 | UNREACHABLE()V8_Fatal("unreachable code"); |
| 1353 | } |
| 1354 | for (int32_t i = 0; i < input.length(); i++) { |
| 1355 | switch (input[i]) { |
| 1356 | // We need to skip 'a', 'b', 'B' here due to |
| 1357 | // https://unicode-org.atlassian.net/browse/ICU-20437 |
| 1358 | case 'a': |
| 1359 | V8_FALLTHROUGH[[clang::fallthrough]]; |
| 1360 | case 'b': |
| 1361 | V8_FALLTHROUGH[[clang::fallthrough]]; |
| 1362 | case 'B': |
| 1363 | // ignore |
| 1364 | break; |
| 1365 | case 'h': |
| 1366 | V8_FALLTHROUGH[[clang::fallthrough]]; |
| 1367 | case 'H': |
| 1368 | V8_FALLTHROUGH[[clang::fallthrough]]; |
| 1369 | case 'K': |
| 1370 | V8_FALLTHROUGH[[clang::fallthrough]]; |
| 1371 | case 'k': |
| 1372 | result += to; |
| 1373 | break; |
| 1374 | default: |
| 1375 | result += input[i]; |
| 1376 | break; |
| 1377 | } |
| 1378 | } |
| 1379 | return result; |
| 1380 | } |
| 1381 | |
| 1382 | std::unique_ptr<icu::SimpleDateFormat> DateTimeStylePattern( |
| 1383 | JSDateTimeFormat::DateTimeStyle date_style, |
| 1384 | JSDateTimeFormat::DateTimeStyle time_style, icu::Locale& icu_locale, |
| 1385 | JSDateTimeFormat::HourCycle hc, icu::DateTimePatternGenerator* generator) { |
| 1386 | std::unique_ptr<icu::SimpleDateFormat> result; |
| 1387 | if (date_style != JSDateTimeFormat::DateTimeStyle::kUndefined) { |
| 1388 | if (time_style != JSDateTimeFormat::DateTimeStyle::kUndefined) { |
| 1389 | result.reset(reinterpret_cast<icu::SimpleDateFormat*>( |
| 1390 | icu::DateFormat::createDateTimeInstance( |
| 1391 | DateTimeStyleToEStyle(date_style), |
| 1392 | DateTimeStyleToEStyle(time_style), icu_locale))); |
| 1393 | } else { |
| 1394 | result.reset(reinterpret_cast<icu::SimpleDateFormat*>( |
| 1395 | icu::DateFormat::createDateInstance(DateTimeStyleToEStyle(date_style), |
| 1396 | icu_locale))); |
| 1397 | // For instance without time, we do not need to worry about the hour cycle |
| 1398 | // impact so we can return directly. |
| 1399 | if (result.get() != nullptr) { |
| 1400 | return result; |
| 1401 | } |
| 1402 | } |
| 1403 | } else { |
| 1404 | if (time_style != JSDateTimeFormat::DateTimeStyle::kUndefined) { |
| 1405 | result.reset(reinterpret_cast<icu::SimpleDateFormat*>( |
| 1406 | icu::DateFormat::createTimeInstance(DateTimeStyleToEStyle(time_style), |
| 1407 | icu_locale))); |
| 1408 | } else { |
| 1409 | UNREACHABLE()V8_Fatal("unreachable code"); |
| 1410 | } |
| 1411 | } |
| 1412 | |
| 1413 | UErrorCode status = U_ZERO_ERROR; |
| 1414 | // Somehow we fail to create the instance. |
| 1415 | if (result.get() == nullptr) { |
| 1416 | // Fallback to the locale without "nu". |
| 1417 | if (!icu_locale.getUnicodeKeywordValue<std::string>("nu", status).empty()) { |
| 1418 | status = U_ZERO_ERROR; |
| 1419 | icu_locale.setUnicodeKeywordValue("nu", nullptr, status); |
| 1420 | return DateTimeStylePattern(date_style, time_style, icu_locale, hc, |
| 1421 | generator); |
| 1422 | } |
| 1423 | status = U_ZERO_ERROR; |
| 1424 | // Fallback to the locale without "hc". |
| 1425 | if (!icu_locale.getUnicodeKeywordValue<std::string>("hc", status).empty()) { |
| 1426 | status = U_ZERO_ERROR; |
| 1427 | icu_locale.setUnicodeKeywordValue("hc", nullptr, status); |
| 1428 | return DateTimeStylePattern(date_style, time_style, icu_locale, hc, |
| 1429 | generator); |
| 1430 | } |
| 1431 | status = U_ZERO_ERROR; |
| 1432 | // Fallback to the locale without "ca". |
| 1433 | if (!icu_locale.getUnicodeKeywordValue<std::string>("ca", status).empty()) { |
| 1434 | status = U_ZERO_ERROR; |
| 1435 | icu_locale.setUnicodeKeywordValue("ca", nullptr, status); |
| 1436 | return DateTimeStylePattern(date_style, time_style, icu_locale, hc, |
| 1437 | generator); |
| 1438 | } |
| 1439 | return nullptr; |
| 1440 | } |
| 1441 | icu::UnicodeString pattern; |
| 1442 | pattern = result->toPattern(pattern); |
| 1443 | |
| 1444 | status = U_ZERO_ERROR; |
| 1445 | icu::UnicodeString skeleton = |
| 1446 | icu::DateTimePatternGenerator::staticGetSkeleton(pattern, status); |
| 1447 | DCHECK(U_SUCCESS(status))((void) 0); |
| 1448 | |
| 1449 | // If the skeleton match the HourCycle, we just return it. |
| 1450 | if (hc == HourCycleFromPattern(pattern)) { |
| 1451 | return result; |
| 1452 | } |
| 1453 | |
| 1454 | return CreateICUDateFormatFromCache(icu_locale, ReplaceSkeleton(skeleton, hc), |
| 1455 | generator, hc); |
| 1456 | } |
| 1457 | |
| 1458 | class DateTimePatternGeneratorCache { |
| 1459 | public: |
| 1460 | // Return a clone copy that the caller have to free. |
| 1461 | icu::DateTimePatternGenerator* CreateGenerator(Isolate* isolate, |
| 1462 | const icu::Locale& locale) { |
| 1463 | std::string key(locale.getName()); |
| 1464 | base::MutexGuard guard(&mutex_); |
| 1465 | auto it = map_.find(key); |
| 1466 | icu::DateTimePatternGenerator* orig; |
| 1467 | if (it != map_.end()) { |
| 1468 | DCHECK(it->second != nullptr)((void) 0); |
| 1469 | orig = it->second.get(); |
| 1470 | } else { |
| 1471 | UErrorCode status = U_ZERO_ERROR; |
| 1472 | orig = icu::DateTimePatternGenerator::createInstance(locale, status); |
| 1473 | // It may not be an U_MEMORY_ALLOCATION_ERROR. |
| 1474 | // Fallback to use "root". |
| 1475 | if (U_FAILURE(status)) { |
| 1476 | status = U_ZERO_ERROR; |
| 1477 | orig = icu::DateTimePatternGenerator::createInstance("root", status); |
| 1478 | } |
| 1479 | if (U_SUCCESS(status) && orig != nullptr) { |
| 1480 | map_[key].reset(orig); |
| 1481 | } else { |
| 1482 | DCHECK(status == U_MEMORY_ALLOCATION_ERROR)((void) 0); |
| 1483 | V8::FatalProcessOutOfMemory( |
| 1484 | isolate, "DateTimePatternGeneratorCache::CreateGenerator"); |
| 1485 | } |
| 1486 | } |
| 1487 | icu::DateTimePatternGenerator* clone = orig ? orig->clone() : nullptr; |
| 1488 | if (clone == nullptr) { |
| 1489 | V8::FatalProcessOutOfMemory( |
| 1490 | isolate, "DateTimePatternGeneratorCache::CreateGenerator"); |
| 1491 | } |
| 1492 | return clone; |
| 1493 | } |
| 1494 | |
| 1495 | private: |
| 1496 | std::map<std::string, std::unique_ptr<icu::DateTimePatternGenerator>> map_; |
| 1497 | base::Mutex mutex_; |
| 1498 | }; |
| 1499 | |
| 1500 | } // namespace |
| 1501 | |
| 1502 | enum FormatMatcherOption { kBestFit, kBasic }; |
| 1503 | |
| 1504 | // ecma402/#sec-initializedatetimeformat |
| 1505 | MaybeHandle<JSDateTimeFormat> JSDateTimeFormat::New( |
| 1506 | Isolate* isolate, Handle<Map> map, Handle<Object> locales, |
| 1507 | Handle<Object> input_options, const char* service) { |
| 1508 | Factory* factory = isolate->factory(); |
| 1509 | // 1. Let requestedLocales be ? CanonicalizeLocaleList(locales). |
| 1510 | Maybe<std::vector<std::string>> maybe_requested_locales = |
| 1511 | Intl::CanonicalizeLocaleList(isolate, locales); |
| 1512 | MAYBE_RETURN(maybe_requested_locales, Handle<JSDateTimeFormat>())do { if ((maybe_requested_locales).IsNothing()) return Handle <JSDateTimeFormat>(); } while (false); |
| 1513 | std::vector<std::string> requested_locales = |
| 1514 | maybe_requested_locales.FromJust(); |
| 1515 | // 2. Let options be ? ToDateTimeOptions(options, "any", "date"). |
| 1516 | Handle<JSObject> options; |
| 1517 | ASSIGN_RETURN_ON_EXCEPTION(do { if (!(JSDateTimeFormat::ToDateTimeOptions( isolate, input_options , RequiredOption::kAny, DefaultsOption::kDate)).ToHandle(& options)) { ((void) 0); return MaybeHandle<JSDateTimeFormat >(); } } while (false) |
| 1518 | isolate, options,do { if (!(JSDateTimeFormat::ToDateTimeOptions( isolate, input_options , RequiredOption::kAny, DefaultsOption::kDate)).ToHandle(& options)) { ((void) 0); return MaybeHandle<JSDateTimeFormat >(); } } while (false) |
| 1519 | JSDateTimeFormat::ToDateTimeOptions(do { if (!(JSDateTimeFormat::ToDateTimeOptions( isolate, input_options , RequiredOption::kAny, DefaultsOption::kDate)).ToHandle(& options)) { ((void) 0); return MaybeHandle<JSDateTimeFormat >(); } } while (false) |
| 1520 | isolate, input_options, RequiredOption::kAny, DefaultsOption::kDate),do { if (!(JSDateTimeFormat::ToDateTimeOptions( isolate, input_options , RequiredOption::kAny, DefaultsOption::kDate)).ToHandle(& options)) { ((void) 0); return MaybeHandle<JSDateTimeFormat >(); } } while (false) |
| 1521 | JSDateTimeFormat)do { if (!(JSDateTimeFormat::ToDateTimeOptions( isolate, input_options , RequiredOption::kAny, DefaultsOption::kDate)).ToHandle(& options)) { ((void) 0); return MaybeHandle<JSDateTimeFormat >(); } } while (false); |
| 1522 | |
| 1523 | // 4. Let matcher be ? GetOption(options, "localeMatcher", "string", |
| 1524 | // « "lookup", "best fit" », "best fit"). |
| 1525 | // 5. Set opt.[[localeMatcher]] to matcher. |
| 1526 | Maybe<Intl::MatcherOption> maybe_locale_matcher = |
| 1527 | Intl::GetLocaleMatcher(isolate, options, service); |
| 1528 | MAYBE_RETURN(maybe_locale_matcher, MaybeHandle<JSDateTimeFormat>())do { if ((maybe_locale_matcher).IsNothing()) return MaybeHandle <JSDateTimeFormat>(); } while (false); |
| 1529 | Intl::MatcherOption locale_matcher = maybe_locale_matcher.FromJust(); |
| 1530 | |
| 1531 | std::unique_ptr<char[]> calendar_str = nullptr; |
| 1532 | std::unique_ptr<char[]> numbering_system_str = nullptr; |
| 1533 | const std::vector<const char*> empty_values = {}; |
| 1534 | // 6. Let calendar be ? GetOption(options, "calendar", |
| 1535 | // "string", undefined, undefined). |
| 1536 | Maybe<bool> maybe_calendar = GetStringOption( |
| 1537 | isolate, options, "calendar", empty_values, service, &calendar_str); |
| 1538 | MAYBE_RETURN(maybe_calendar, MaybeHandle<JSDateTimeFormat>())do { if ((maybe_calendar).IsNothing()) return MaybeHandle< JSDateTimeFormat>(); } while (false); |
| 1539 | if (maybe_calendar.FromJust() && calendar_str != nullptr) { |
| 1540 | icu::Locale default_locale; |
| 1541 | if (!Intl::IsWellFormedCalendar(calendar_str.get())) { |
| 1542 | THROW_NEW_ERROR(do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalid, factory->calendar_string (), factory->NewStringFromAsciiChecked(calendar_str.get()) )); } while (false) |
| 1543 | isolate,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalid, factory->calendar_string (), factory->NewStringFromAsciiChecked(calendar_str.get()) )); } while (false) |
| 1544 | NewRangeError(MessageTemplate::kInvalid, factory->calendar_string(),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalid, factory->calendar_string (), factory->NewStringFromAsciiChecked(calendar_str.get()) )); } while (false) |
| 1545 | factory->NewStringFromAsciiChecked(calendar_str.get())),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalid, factory->calendar_string (), factory->NewStringFromAsciiChecked(calendar_str.get()) )); } while (false) |
| 1546 | JSDateTimeFormat)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalid, factory->calendar_string (), factory->NewStringFromAsciiChecked(calendar_str.get()) )); } while (false); |
| 1547 | } |
| 1548 | } |
| 1549 | |
| 1550 | // 8. Let numberingSystem be ? GetOption(options, "numberingSystem", |
| 1551 | // "string", undefined, undefined). |
| 1552 | Maybe<bool> maybe_numberingSystem = Intl::GetNumberingSystem( |
| 1553 | isolate, options, service, &numbering_system_str); |
| 1554 | MAYBE_RETURN(maybe_numberingSystem, MaybeHandle<JSDateTimeFormat>())do { if ((maybe_numberingSystem).IsNothing()) return MaybeHandle <JSDateTimeFormat>(); } while (false); |
| 1555 | |
| 1556 | // 6. Let hour12 be ? GetOption(options, "hour12", "boolean", undefined, |
| 1557 | // undefined). |
| 1558 | bool hour12; |
| 1559 | Maybe<bool> maybe_get_hour12 = |
| 1560 | GetBoolOption(isolate, options, "hour12", service, &hour12); |
| 1561 | MAYBE_RETURN(maybe_get_hour12, Handle<JSDateTimeFormat>())do { if ((maybe_get_hour12).IsNothing()) return Handle<JSDateTimeFormat >(); } while (false); |
| 1562 | |
| 1563 | // 7. Let hourCycle be ? GetOption(options, "hourCycle", "string", « "h11", |
| 1564 | // "h12", "h23", "h24" », undefined). |
| 1565 | Maybe<HourCycle> maybe_hour_cycle = GetHourCycle(isolate, options, service); |
| 1566 | MAYBE_RETURN(maybe_hour_cycle, MaybeHandle<JSDateTimeFormat>())do { if ((maybe_hour_cycle).IsNothing()) return MaybeHandle< JSDateTimeFormat>(); } while (false); |
| 1567 | HourCycle hour_cycle = maybe_hour_cycle.FromJust(); |
| 1568 | |
| 1569 | // 8. If hour12 is not undefined, then |
| 1570 | if (maybe_get_hour12.FromJust()) { |
| 1571 | // a. Let hourCycle be null. |
| 1572 | hour_cycle = HourCycle::kUndefined; |
| 1573 | } |
| 1574 | // 9. Set opt.[[hc]] to hourCycle. |
| 1575 | |
| 1576 | // ecma402/#sec-intl.datetimeformat-internal-slots |
| 1577 | // The value of the [[RelevantExtensionKeys]] internal slot is |
| 1578 | // « "ca", "nu", "hc" ». |
| 1579 | std::set<std::string> relevant_extension_keys = {"nu", "ca", "hc"}; |
| 1580 | |
| 1581 | // 10. Let localeData be %DateTimeFormat%.[[LocaleData]]. |
| 1582 | // 11. Let r be ResolveLocale( %DateTimeFormat%.[[AvailableLocales]], |
| 1583 | // requestedLocales, opt, %DateTimeFormat%.[[RelevantExtensionKeys]], |
| 1584 | // localeData). |
| 1585 | // |
| 1586 | Maybe<Intl::ResolvedLocale> maybe_resolve_locale = Intl::ResolveLocale( |
| 1587 | isolate, JSDateTimeFormat::GetAvailableLocales(), requested_locales, |
| 1588 | locale_matcher, relevant_extension_keys); |
| 1589 | if (maybe_resolve_locale.IsNothing()) { |
| 1590 | THROW_NEW_ERROR(isolate, NewRangeError(MessageTemplate::kIcuError),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kIcuError)); } while (false) |
| 1591 | JSDateTimeFormat)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kIcuError)); } while (false); |
| 1592 | } |
| 1593 | Intl::ResolvedLocale r = maybe_resolve_locale.FromJust(); |
| 1594 | |
| 1595 | icu::Locale icu_locale = r.icu_locale; |
| 1596 | DCHECK(!icu_locale.isBogus())((void) 0); |
| 1597 | |
| 1598 | UErrorCode status = U_ZERO_ERROR; |
| 1599 | if (calendar_str != nullptr) { |
| 1600 | auto ca_extension_it = r.extensions.find("ca"); |
| 1601 | if (ca_extension_it != r.extensions.end() && |
| 1602 | ca_extension_it->second != calendar_str.get()) { |
| 1603 | icu_locale.setUnicodeKeywordValue("ca", nullptr, status); |
| 1604 | DCHECK(U_SUCCESS(status))((void) 0); |
| 1605 | } |
| 1606 | } |
| 1607 | if (numbering_system_str != nullptr) { |
| 1608 | auto nu_extension_it = r.extensions.find("nu"); |
| 1609 | if (nu_extension_it != r.extensions.end() && |
| 1610 | nu_extension_it->second != numbering_system_str.get()) { |
| 1611 | icu_locale.setUnicodeKeywordValue("nu", nullptr, status); |
| 1612 | DCHECK(U_SUCCESS(status))((void) 0); |
| 1613 | } |
| 1614 | } |
| 1615 | |
| 1616 | // Need to keep a copy of icu_locale which not changing "ca", "nu", "hc" |
| 1617 | // by option. |
| 1618 | icu::Locale resolved_locale(icu_locale); |
| 1619 | |
| 1620 | if (calendar_str != nullptr && |
| 1621 | Intl::IsValidCalendar(icu_locale, calendar_str.get())) { |
| 1622 | icu_locale.setUnicodeKeywordValue("ca", calendar_str.get(), status); |
| 1623 | DCHECK(U_SUCCESS(status))((void) 0); |
| 1624 | } |
| 1625 | bool alt_calendar = |
| 1626 | strstr(icu_locale.getName(), "calendar=iso8601") != nullptr || |
| 1627 | strstr(icu_locale.getName(), "calendar=islamic-rgsa") != nullptr; |
| 1628 | |
| 1629 | if (numbering_system_str != nullptr && |
| 1630 | Intl::IsValidNumberingSystem(numbering_system_str.get())) { |
| 1631 | icu_locale.setUnicodeKeywordValue("nu", numbering_system_str.get(), status); |
| 1632 | DCHECK(U_SUCCESS(status))((void) 0); |
| 1633 | } |
| 1634 | |
| 1635 | static base::LazyInstance<DateTimePatternGeneratorCache>::type |
| 1636 | generator_cache = LAZY_INSTANCE_INITIALIZER{ { 0 }, { {} } }; |
| 1637 | |
| 1638 | std::unique_ptr<icu::DateTimePatternGenerator> generator( |
| 1639 | generator_cache.Pointer()->CreateGenerator(isolate, icu_locale)); |
| 1640 | |
| 1641 | // 15.Let hcDefault be dataLocaleData.[[hourCycle]]. |
| 1642 | HourCycle hc_default = ToHourCycle(generator->getDefaultHourCycle(status)); |
| 1643 | DCHECK(U_SUCCESS(status))((void) 0); |
| 1644 | |
| 1645 | // 16.Let hc be r.[[hc]]. |
| 1646 | HourCycle hc = HourCycle::kUndefined; |
| 1647 | if (hour_cycle == HourCycle::kUndefined) { |
| 1648 | auto hc_extension_it = r.extensions.find("hc"); |
| 1649 | if (hc_extension_it != r.extensions.end()) { |
| 1650 | hc = ToHourCycle(hc_extension_it->second.c_str()); |
| 1651 | } |
| 1652 | } else { |
| 1653 | hc = hour_cycle; |
| 1654 | } |
| 1655 | // 17. If hc is null, then |
| 1656 | if (hc == HourCycle::kUndefined) { |
| 1657 | // a. Set hc to hcDefault. |
| 1658 | hc = hc_default; |
| 1659 | } |
| 1660 | |
| 1661 | // 18. If hour12 is not undefined, then |
| 1662 | if (maybe_get_hour12.FromJust()) { |
| 1663 | // a. If hour12 is true, then |
| 1664 | if (hour12) { |
| 1665 | // i. If hcDefault is "h11" or "h23", then |
| 1666 | if (hc_default == HourCycle::kH11 || hc_default == HourCycle::kH23) { |
| 1667 | // 1. Set hc to "h11". |
| 1668 | hc = HourCycle::kH11; |
| 1669 | // ii. Else, |
| 1670 | } else { |
| 1671 | // 1. Set hc to "h12". |
| 1672 | hc = HourCycle::kH12; |
| 1673 | } |
| 1674 | // b. Else, |
| 1675 | } else { |
| 1676 | // ii. If hcDefault is "h11" or "h23", then |
| 1677 | if (hc_default == HourCycle::kH11 || hc_default == HourCycle::kH23) { |
| 1678 | // 1. Set hc to "h23". |
| 1679 | hc = HourCycle::kH23; |
| 1680 | // iii. Else, |
| 1681 | } else { |
| 1682 | // 1. Set hc to "h24". |
| 1683 | hc = HourCycle::kH24; |
| 1684 | } |
| 1685 | } |
| 1686 | } |
| 1687 | |
| 1688 | // 17. Let timeZone be ? Get(options, "timeZone"). |
| 1689 | std::unique_ptr<char[]> timezone = nullptr; |
| 1690 | Maybe<bool> maybe_timezone = GetStringOption( |
| 1691 | isolate, options, "timeZone", empty_values, service, &timezone); |
| 1692 | MAYBE_RETURN(maybe_timezone, Handle<JSDateTimeFormat>())do { if ((maybe_timezone).IsNothing()) return Handle<JSDateTimeFormat >(); } while (false); |
| 1693 | |
| 1694 | std::unique_ptr<icu::TimeZone> tz = |
| 1695 | JSDateTimeFormat::CreateTimeZone(timezone.get()); |
| 1696 | if (tz.get() == nullptr) { |
| 1697 | THROW_NEW_ERROR(do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalidTimeZone, factory-> NewStringFromAsciiChecked(timezone.get()))); } while (false) |
| 1698 | isolate,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalidTimeZone, factory-> NewStringFromAsciiChecked(timezone.get()))); } while (false) |
| 1699 | NewRangeError(MessageTemplate::kInvalidTimeZone,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalidTimeZone, factory-> NewStringFromAsciiChecked(timezone.get()))); } while (false) |
| 1700 | factory->NewStringFromAsciiChecked(timezone.get())),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalidTimeZone, factory-> NewStringFromAsciiChecked(timezone.get()))); } while (false) |
| 1701 | JSDateTimeFormat)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalidTimeZone, factory-> NewStringFromAsciiChecked(timezone.get()))); } while (false); |
| 1702 | } |
| 1703 | |
| 1704 | std::unique_ptr<icu::Calendar> calendar( |
| 1705 | CreateCalendar(isolate, icu_locale, tz.release())); |
| 1706 | |
| 1707 | // 18.b If the result of IsValidTimeZoneName(timeZone) is false, then |
| 1708 | // i. Throw a RangeError exception. |
| 1709 | if (calendar.get() == nullptr) { |
| 1710 | THROW_NEW_ERROR(do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalidTimeZone, factory-> NewStringFromAsciiChecked(timezone.get()))); } while (false) |
| 1711 | isolate,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalidTimeZone, factory-> NewStringFromAsciiChecked(timezone.get()))); } while (false) |
| 1712 | NewRangeError(MessageTemplate::kInvalidTimeZone,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalidTimeZone, factory-> NewStringFromAsciiChecked(timezone.get()))); } while (false) |
| 1713 | factory->NewStringFromAsciiChecked(timezone.get())),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalidTimeZone, factory-> NewStringFromAsciiChecked(timezone.get()))); } while (false) |
| 1714 | JSDateTimeFormat)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kInvalidTimeZone, factory-> NewStringFromAsciiChecked(timezone.get()))); } while (false); |
| 1715 | } |
| 1716 | |
| 1717 | DateTimeStyle date_style = DateTimeStyle::kUndefined; |
| 1718 | DateTimeStyle time_style = DateTimeStyle::kUndefined; |
| 1719 | std::unique_ptr<icu::SimpleDateFormat> icu_date_format; |
| 1720 | |
| 1721 | // 28. For each row of Table 1, except the header row, do |
| 1722 | bool has_hour_option = false; |
| 1723 | std::string skeleton; |
| 1724 | for (const PatternData& item : GetPatternData(hc)) { |
| 1725 | // Need to read fractionalSecondDigits before reading the timeZoneName |
| 1726 | if (item.property == "timeZoneName") { |
| 1727 | // Let _value_ be ? GetNumberOption(options, "fractionalSecondDigits", 1, |
| 1728 | // 3, *undefined*). The *undefined* is represented by value 0 here. |
| 1729 | Maybe<int> maybe_fsd = GetNumberOption( |
| 1730 | isolate, options, factory->fractionalSecondDigits_string(), 1, 3, 0); |
| 1731 | MAYBE_RETURN(maybe_fsd, MaybeHandle<JSDateTimeFormat>())do { if ((maybe_fsd).IsNothing()) return MaybeHandle<JSDateTimeFormat >(); } while (false); |
| 1732 | // Convert fractionalSecondDigits to skeleton. |
| 1733 | int fsd = maybe_fsd.FromJust(); |
| 1734 | for (int i = 0; i < fsd; i++) { |
| 1735 | skeleton += "S"; |
| 1736 | } |
| 1737 | } |
| 1738 | std::unique_ptr<char[]> input; |
| 1739 | // i. Let prop be the name given in the Property column of the row. |
| 1740 | // ii. Let value be ? GetOption(options, prop, "string", « the strings |
| 1741 | // given in the Values column of the row », undefined). |
| 1742 | Maybe<bool> maybe_get_option = |
| 1743 | GetStringOption(isolate, options, item.property.c_str(), |
| 1744 | item.allowed_values, service, &input); |
| 1745 | MAYBE_RETURN(maybe_get_option, Handle<JSDateTimeFormat>())do { if ((maybe_get_option).IsNothing()) return Handle<JSDateTimeFormat >(); } while (false); |
| 1746 | if (maybe_get_option.FromJust()) { |
| 1747 | if (item.property == "hour") { |
| 1748 | has_hour_option = true; |
| 1749 | } |
| 1750 | DCHECK_NOT_NULL(input.get())((void) 0); |
| 1751 | // iii. Set opt.[[<prop>]] to value. |
| 1752 | skeleton += item.map.find(input.get())->second; |
| 1753 | } |
| 1754 | } |
| 1755 | |
| 1756 | // 29. Let matcher be ? GetOption(options, "formatMatcher", "string", « |
| 1757 | // "basic", "best fit" », "best fit"). |
| 1758 | // We implement only best fit algorithm, but still need to check |
| 1759 | // if the formatMatcher values are in range. |
| 1760 | // c. Let matcher be ? GetOption(options, "formatMatcher", "string", |
| 1761 | // « "basic", "best fit" », "best fit"). |
| 1762 | Maybe<FormatMatcherOption> maybe_format_matcher = |
| 1763 | GetStringOption<FormatMatcherOption>( |
| 1764 | isolate, options, "formatMatcher", service, {"best fit", "basic"}, |
| 1765 | {FormatMatcherOption::kBestFit, FormatMatcherOption::kBasic}, |
| 1766 | FormatMatcherOption::kBestFit); |
| 1767 | MAYBE_RETURN(maybe_format_matcher, MaybeHandle<JSDateTimeFormat>())do { if ((maybe_format_matcher).IsNothing()) return MaybeHandle <JSDateTimeFormat>(); } while (false); |
| 1768 | // TODO(ftang): uncomment the following line and handle format_matcher. |
| 1769 | // FormatMatcherOption format_matcher = maybe_format_matcher.FromJust(); |
| 1770 | |
| 1771 | // 32. Let dateStyle be ? GetOption(options, "dateStyle", "string", « |
| 1772 | // "full", "long", "medium", "short" », undefined). |
| 1773 | Maybe<DateTimeStyle> maybe_date_style = GetStringOption<DateTimeStyle>( |
| 1774 | isolate, options, "dateStyle", service, |
| 1775 | {"full", "long", "medium", "short"}, |
| 1776 | {DateTimeStyle::kFull, DateTimeStyle::kLong, DateTimeStyle::kMedium, |
| 1777 | DateTimeStyle::kShort}, |
| 1778 | DateTimeStyle::kUndefined); |
| 1779 | MAYBE_RETURN(maybe_date_style, MaybeHandle<JSDateTimeFormat>())do { if ((maybe_date_style).IsNothing()) return MaybeHandle< JSDateTimeFormat>(); } while (false); |
| 1780 | // 33. Set dateTimeFormat.[[DateStyle]] to dateStyle. |
| 1781 | date_style = maybe_date_style.FromJust(); |
| 1782 | |
| 1783 | // 34. Let timeStyle be ? GetOption(options, "timeStyle", "string", « |
| 1784 | // "full", "long", "medium", "short" »). |
| 1785 | Maybe<DateTimeStyle> maybe_time_style = GetStringOption<DateTimeStyle>( |
| 1786 | isolate, options, "timeStyle", service, |
| 1787 | {"full", "long", "medium", "short"}, |
| 1788 | {DateTimeStyle::kFull, DateTimeStyle::kLong, DateTimeStyle::kMedium, |
| 1789 | DateTimeStyle::kShort}, |
| 1790 | DateTimeStyle::kUndefined); |
| 1791 | MAYBE_RETURN(maybe_time_style, MaybeHandle<JSDateTimeFormat>())do { if ((maybe_time_style).IsNothing()) return MaybeHandle< JSDateTimeFormat>(); } while (false); |
| 1792 | |
| 1793 | // 35. Set dateTimeFormat.[[TimeStyle]] to timeStyle. |
| 1794 | time_style = maybe_time_style.FromJust(); |
| 1795 | |
| 1796 | // 36. If timeStyle is not undefined, then |
| 1797 | HourCycle dateTimeFormatHourCycle = HourCycle::kUndefined; |
| 1798 | if (time_style != DateTimeStyle::kUndefined) { |
| 1799 | // a. Set dateTimeFormat.[[HourCycle]] to hc. |
| 1800 | dateTimeFormatHourCycle = hc; |
| 1801 | } |
| 1802 | |
| 1803 | // 37. If dateStyle or timeStyle are not undefined, then |
| 1804 | if (date_style != DateTimeStyle::kUndefined || |
| 1805 | time_style != DateTimeStyle::kUndefined) { |
| 1806 | // a. For each row in Table 1, except the header row, do |
| 1807 | // i. Let prop be the name given in the Property column of the row. |
| 1808 | // ii. Let p be opt.[[<prop>]]. |
| 1809 | // iii. If p is not undefined, then |
| 1810 | // 1. Throw a TypeError exception. |
| 1811 | if (skeleton.length() > 0) { |
| 1812 | std::string prop; |
| 1813 | for (const auto& item : GetPatternItems()) { |
| 1814 | for (const auto& pair : item.pairs) { |
| 1815 | if (skeleton.find(pair.pattern) != std::string::npos) { |
| 1816 | prop.assign(item.property); |
| 1817 | break; |
| 1818 | } |
| 1819 | } |
| 1820 | if (!prop.empty()) { |
| 1821 | break; |
| 1822 | } |
| 1823 | } |
| 1824 | if (prop.empty() && skeleton.find("S") != std::string::npos) { |
| 1825 | prop.assign("fractionalSecondDigits"); |
| 1826 | } |
| 1827 | if (!prop.empty()) { |
| 1828 | THROW_NEW_ERROR(do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kCantSetOptionXWhenYIsUsed, factory ->NewStringFromAsciiChecked(prop.c_str()), date_style != DateTimeStyle ::kUndefined ? factory->dateStyle_string() : factory->timeStyle_string ())); } while (false) |
| 1829 | isolate,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kCantSetOptionXWhenYIsUsed, factory ->NewStringFromAsciiChecked(prop.c_str()), date_style != DateTimeStyle ::kUndefined ? factory->dateStyle_string() : factory->timeStyle_string ())); } while (false) |
| 1830 | NewTypeError(MessageTemplate::kCantSetOptionXWhenYIsUsed,do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kCantSetOptionXWhenYIsUsed, factory ->NewStringFromAsciiChecked(prop.c_str()), date_style != DateTimeStyle ::kUndefined ? factory->dateStyle_string() : factory->timeStyle_string ())); } while (false) |
| 1831 | factory->NewStringFromAsciiChecked(prop.c_str()),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kCantSetOptionXWhenYIsUsed, factory ->NewStringFromAsciiChecked(prop.c_str()), date_style != DateTimeStyle ::kUndefined ? factory->dateStyle_string() : factory->timeStyle_string ())); } while (false) |
| 1832 | date_style != DateTimeStyle::kUndefineddo { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kCantSetOptionXWhenYIsUsed, factory ->NewStringFromAsciiChecked(prop.c_str()), date_style != DateTimeStyle ::kUndefined ? factory->dateStyle_string() : factory->timeStyle_string ())); } while (false) |
| 1833 | ? factory->dateStyle_string()do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kCantSetOptionXWhenYIsUsed, factory ->NewStringFromAsciiChecked(prop.c_str()), date_style != DateTimeStyle ::kUndefined ? factory->dateStyle_string() : factory->timeStyle_string ())); } while (false) |
| 1834 | : factory->timeStyle_string()),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kCantSetOptionXWhenYIsUsed, factory ->NewStringFromAsciiChecked(prop.c_str()), date_style != DateTimeStyle ::kUndefined ? factory->dateStyle_string() : factory->timeStyle_string ())); } while (false) |
| 1835 | JSDateTimeFormat)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewTypeError(MessageTemplate::kCantSetOptionXWhenYIsUsed, factory ->NewStringFromAsciiChecked(prop.c_str()), date_style != DateTimeStyle ::kUndefined ? factory->dateStyle_string() : factory->timeStyle_string ())); } while (false); |
| 1836 | } |
| 1837 | UNREACHABLE()V8_Fatal("unreachable code"); |
| 1838 | } |
| 1839 | // b. Let pattern be DateTimeStylePattern(dateStyle, timeStyle, |
| 1840 | // dataLocaleData, hc). |
| 1841 | isolate->CountUsage( |
| 1842 | v8::Isolate::UseCounterFeature::kDateTimeFormatDateTimeStyle); |
| 1843 | |
| 1844 | icu_date_format = |
| 1845 | DateTimeStylePattern(date_style, time_style, icu_locale, |
| 1846 | dateTimeFormatHourCycle, generator.get()); |
| 1847 | if (icu_date_format.get() == nullptr) { |
| 1848 | THROW_NEW_ERROR(isolate, NewRangeError(MessageTemplate::kIcuError),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kIcuError)); } while (false) |
| 1849 | JSDateTimeFormat)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kIcuError)); } while (false); |
| 1850 | } |
| 1851 | } else { |
| 1852 | // e. If dateTimeFormat.[[Hour]] is not undefined, then |
| 1853 | if (has_hour_option) { |
| 1854 | // v. Set dateTimeFormat.[[HourCycle]] to hc. |
| 1855 | dateTimeFormatHourCycle = hc; |
| 1856 | } else { |
| 1857 | // f. Else, |
| 1858 | // Set dateTimeFormat.[[HourCycle]] to undefined. |
| 1859 | dateTimeFormatHourCycle = HourCycle::kUndefined; |
| 1860 | } |
| 1861 | icu::UnicodeString skeleton_ustr(skeleton.c_str()); |
| 1862 | icu_date_format = CreateICUDateFormatFromCache( |
| 1863 | icu_locale, skeleton_ustr, generator.get(), dateTimeFormatHourCycle); |
| 1864 | if (icu_date_format.get() == nullptr) { |
| 1865 | // Remove extensions and try again. |
| 1866 | icu_locale = icu::Locale(icu_locale.getBaseName()); |
| 1867 | icu_date_format = CreateICUDateFormatFromCache( |
| 1868 | icu_locale, skeleton_ustr, generator.get(), dateTimeFormatHourCycle); |
| 1869 | if (icu_date_format.get() == nullptr) { |
| 1870 | THROW_NEW_ERROR(isolate, NewRangeError(MessageTemplate::kIcuError),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kIcuError)); } while (false) |
| 1871 | JSDateTimeFormat)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSDateTimeFormat>(__isolate__->factory()-> NewRangeError(MessageTemplate::kIcuError)); } while (false); |
| 1872 | } |
| 1873 | } |
| 1874 | } |
| 1875 | |
| 1876 | // The creation of Calendar depends on timeZone so we have to put 13 after 17. |
| 1877 | // Also icu_date_format is not created until here. |
| 1878 | // 13. Set dateTimeFormat.[[Calendar]] to r.[[ca]]. |
| 1879 | icu_date_format->adoptCalendar(calendar.release()); |
| 1880 | |
| 1881 | // 12.1.1 InitializeDateTimeFormat ( dateTimeFormat, locales, options ) |
| 1882 | // |
| 1883 | // Steps 8-9 set opt.[[hc]] to value *other than undefined* |
| 1884 | // if "hour12" is set or "hourCycle" is set in the option. |
| 1885 | // |
| 1886 | // 9.2.6 ResolveLocale (... ) |
| 1887 | // Step 8.h / 8.i and 8.k |
| 1888 | // |
| 1889 | // An hour12 option always overrides an hourCycle option. |
| 1890 | // Additionally hour12 and hourCycle both clear out any existing Unicode |
| 1891 | // extension key in the input locale. |
| 1892 | // |
| 1893 | // See details in https://github.com/tc39/test262/pull/2035 |
| 1894 | if (maybe_get_hour12.FromJust() || |
| 1895 | maybe_hour_cycle.FromJust() != HourCycle::kUndefined) { |
| 1896 | auto hc_extension_it = r.extensions.find("hc"); |
| 1897 | if (hc_extension_it != r.extensions.end()) { |
| 1898 | if (dateTimeFormatHourCycle != |
| 1899 | ToHourCycle(hc_extension_it->second.c_str())) { |
| 1900 | // Remove -hc- if it does not agree with what we used. |
| 1901 | status = U_ZERO_ERROR; |
| 1902 | resolved_locale.setUnicodeKeywordValue("hc", nullptr, status); |
| 1903 | DCHECK(U_SUCCESS(status))((void) 0); |
| 1904 | } |
| 1905 | } |
| 1906 | } |
| 1907 | |
| 1908 | Maybe<std::string> maybe_locale_str = Intl::ToLanguageTag(resolved_locale); |
| 1909 | MAYBE_RETURN(maybe_locale_str, MaybeHandle<JSDateTimeFormat>())do { if ((maybe_locale_str).IsNothing()) return MaybeHandle< JSDateTimeFormat>(); } while (false); |
| 1910 | Handle<String> locale_str = isolate->factory()->NewStringFromAsciiChecked( |
| 1911 | maybe_locale_str.FromJust().c_str()); |
| 1912 | |
| 1913 | Handle<Managed<icu::Locale>> managed_locale = |
| 1914 | Managed<icu::Locale>::FromRawPtr(isolate, 0, icu_locale.clone()); |
| 1915 | |
| 1916 | Handle<Managed<icu::SimpleDateFormat>> managed_format = |
| 1917 | Managed<icu::SimpleDateFormat>::FromUniquePtr(isolate, 0, |
| 1918 | std::move(icu_date_format)); |
| 1919 | |
| 1920 | Handle<Managed<icu::DateIntervalFormat>> managed_interval_format = |
| 1921 | Managed<icu::DateIntervalFormat>::FromRawPtr(isolate, 0, nullptr); |
| 1922 | |
| 1923 | // Now all properties are ready, so we can allocate the result object. |
| 1924 | Handle<JSDateTimeFormat> date_time_format = Handle<JSDateTimeFormat>::cast( |
| 1925 | isolate->factory()->NewFastOrSlowJSObjectFromMap(map)); |
| 1926 | DisallowGarbageCollection no_gc; |
| 1927 | date_time_format->set_flags(0); |
| 1928 | if (date_style != DateTimeStyle::kUndefined) { |
| 1929 | date_time_format->set_date_style(date_style); |
| 1930 | } |
| 1931 | if (time_style != DateTimeStyle::kUndefined) { |
| 1932 | date_time_format->set_time_style(time_style); |
| 1933 | } |
| 1934 | date_time_format->set_hour_cycle(dateTimeFormatHourCycle); |
| 1935 | date_time_format->set_alt_calendar(alt_calendar); |
| 1936 | date_time_format->set_locale(*locale_str); |
| 1937 | date_time_format->set_icu_locale(*managed_locale); |
| 1938 | date_time_format->set_icu_simple_date_format(*managed_format); |
| 1939 | date_time_format->set_icu_date_interval_format(*managed_interval_format); |
| 1940 | return date_time_format; |
| 1941 | } |
| 1942 | |
| 1943 | namespace { |
| 1944 | |
| 1945 | // The list comes from third_party/icu/source/i18n/unicode/udat.h. |
| 1946 | // They're mapped to DateTimeFormat components listed at |
| 1947 | // https://tc39.github.io/ecma402/#sec-datetimeformat-abstracts . |
| 1948 | Handle<String> IcuDateFieldIdToDateType(int32_t field_id, Isolate* isolate) { |
| 1949 | switch (field_id) { |
| 1950 | case -1: |
| 1951 | return isolate->factory()->literal_string(); |
| 1952 | case UDAT_YEAR_FIELD: |
| 1953 | case UDAT_EXTENDED_YEAR_FIELD: |
| 1954 | return isolate->factory()->year_string(); |
| 1955 | case UDAT_YEAR_NAME_FIELD: |
| 1956 | return isolate->factory()->yearName_string(); |
| 1957 | case UDAT_MONTH_FIELD: |
| 1958 | case UDAT_STANDALONE_MONTH_FIELD: |
| 1959 | return isolate->factory()->month_string(); |
| 1960 | case UDAT_DATE_FIELD: |
| 1961 | return isolate->factory()->day_string(); |
| 1962 | case UDAT_HOUR_OF_DAY1_FIELD: |
| 1963 | case UDAT_HOUR_OF_DAY0_FIELD: |
| 1964 | case UDAT_HOUR1_FIELD: |
| 1965 | case UDAT_HOUR0_FIELD: |
| 1966 | return isolate->factory()->hour_string(); |
| 1967 | case UDAT_MINUTE_FIELD: |
| 1968 | return isolate->factory()->minute_string(); |
| 1969 | case UDAT_SECOND_FIELD: |
| 1970 | return isolate->factory()->second_string(); |
| 1971 | case UDAT_DAY_OF_WEEK_FIELD: |
| 1972 | case UDAT_DOW_LOCAL_FIELD: |
| 1973 | case UDAT_STANDALONE_DAY_FIELD: |
| 1974 | return isolate->factory()->weekday_string(); |
| 1975 | case UDAT_AM_PM_FIELD: |
| 1976 | case UDAT_AM_PM_MIDNIGHT_NOON_FIELD: |
| 1977 | case UDAT_FLEXIBLE_DAY_PERIOD_FIELD: |
| 1978 | return isolate->factory()->dayPeriod_string(); |
| 1979 | case UDAT_TIMEZONE_FIELD: |
| 1980 | case UDAT_TIMEZONE_RFC_FIELD: |
| 1981 | case UDAT_TIMEZONE_GENERIC_FIELD: |
| 1982 | case UDAT_TIMEZONE_SPECIAL_FIELD: |
| 1983 | case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD: |
| 1984 | case UDAT_TIMEZONE_ISO_FIELD: |
| 1985 | case UDAT_TIMEZONE_ISO_LOCAL_FIELD: |
| 1986 | return isolate->factory()->timeZoneName_string(); |
| 1987 | case UDAT_ERA_FIELD: |
| 1988 | return isolate->factory()->era_string(); |
| 1989 | case UDAT_FRACTIONAL_SECOND_FIELD: |
| 1990 | return isolate->factory()->fractionalSecond_string(); |
| 1991 | case UDAT_RELATED_YEAR_FIELD: |
| 1992 | return isolate->factory()->relatedYear_string(); |
| 1993 | |
| 1994 | case UDAT_QUARTER_FIELD: |
| 1995 | case UDAT_STANDALONE_QUARTER_FIELD: |
| 1996 | default: |
| 1997 | // Other UDAT_*_FIELD's cannot show up because there is no way to specify |
| 1998 | // them via options of Intl.DateTimeFormat. |
| 1999 | UNREACHABLE()V8_Fatal("unreachable code"); |
| 2000 | } |
| 2001 | } |
| 2002 | |
| 2003 | } // namespace |
| 2004 | |
| 2005 | MaybeHandle<JSArray> JSDateTimeFormat::FormatToParts( |
| 2006 | Isolate* isolate, Handle<JSDateTimeFormat> date_time_format, |
| 2007 | double date_value, bool output_source) { |
| 2008 | Factory* factory = isolate->factory(); |
| 2009 | icu::SimpleDateFormat* format = |
| 2010 | date_time_format->icu_simple_date_format().raw(); |
| 2011 | DCHECK_NOT_NULL(format)((void) 0); |
| 2012 | |
| 2013 | icu::UnicodeString formatted; |
| 2014 | icu::FieldPositionIterator fp_iter; |
| 2015 | icu::FieldPosition fp; |
| 2016 | UErrorCode status = U_ZERO_ERROR; |
| 2017 | format->format(date_value, formatted, &fp_iter, status); |
| 2018 | if (U_FAILURE(status)) { |
| 2019 | THROW_NEW_ERROR(isolate, NewTypeError(MessageTemplate::kIcuError), JSArray)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSArray>(__isolate__->factory()->NewTypeError (MessageTemplate::kIcuError)); } while (false); |
| 2020 | } |
| 2021 | |
| 2022 | Handle<JSArray> result = factory->NewJSArray(0); |
| 2023 | int32_t length = formatted.length(); |
| 2024 | if (length == 0) return result; |
| 2025 | |
| 2026 | int index = 0; |
| 2027 | int32_t previous_end_pos = 0; |
| 2028 | Handle<String> substring; |
| 2029 | while (fp_iter.next(fp)) { |
| 2030 | int32_t begin_pos = fp.getBeginIndex(); |
| 2031 | int32_t end_pos = fp.getEndIndex(); |
| 2032 | |
| 2033 | if (previous_end_pos < begin_pos) { |
| 2034 | ASSIGN_RETURN_ON_EXCEPTION(do { if (!(Intl::ToString(isolate, formatted, previous_end_pos , begin_pos)).ToHandle(&substring)) { ((void) 0); return MaybeHandle <JSArray>(); } } while (false) |
| 2035 | isolate, substring,do { if (!(Intl::ToString(isolate, formatted, previous_end_pos , begin_pos)).ToHandle(&substring)) { ((void) 0); return MaybeHandle <JSArray>(); } } while (false) |
| 2036 | Intl::ToString(isolate, formatted, previous_end_pos, begin_pos),do { if (!(Intl::ToString(isolate, formatted, previous_end_pos , begin_pos)).ToHandle(&substring)) { ((void) 0); return MaybeHandle <JSArray>(); } } while (false) |
| 2037 | JSArray)do { if (!(Intl::ToString(isolate, formatted, previous_end_pos , begin_pos)).ToHandle(&substring)) { ((void) 0); return MaybeHandle <JSArray>(); } } while (false); |
| 2038 | if (output_source) { |
| 2039 | Intl::AddElement(isolate, result, index, |
| 2040 | IcuDateFieldIdToDateType(-1, isolate), substring, |
| 2041 | isolate->factory()->source_string(), |
| 2042 | isolate->factory()->shared_string()); |
| 2043 | } else { |
| 2044 | Intl::AddElement(isolate, result, index, |
| 2045 | IcuDateFieldIdToDateType(-1, isolate), substring); |
| 2046 | } |
| 2047 | ++index; |
| 2048 | } |
| 2049 | ASSIGN_RETURN_ON_EXCEPTION(do { if (!(Intl::ToString(isolate, formatted, begin_pos, end_pos )).ToHandle(&substring)) { ((void) 0); return MaybeHandle <JSArray>(); } } while (false) |
| 2050 | isolate, substring,do { if (!(Intl::ToString(isolate, formatted, begin_pos, end_pos )).ToHandle(&substring)) { ((void) 0); return MaybeHandle <JSArray>(); } } while (false) |
| 2051 | Intl::ToString(isolate, formatted, begin_pos, end_pos), JSArray)do { if (!(Intl::ToString(isolate, formatted, begin_pos, end_pos )).ToHandle(&substring)) { ((void) 0); return MaybeHandle <JSArray>(); } } while (false); |
| 2052 | if (output_source) { |
| 2053 | Intl::AddElement(isolate, result, index, |
| 2054 | IcuDateFieldIdToDateType(fp.getField(), isolate), |
| 2055 | substring, isolate->factory()->source_string(), |
| 2056 | isolate->factory()->shared_string()); |
| 2057 | } else { |
| 2058 | Intl::AddElement(isolate, result, index, |
| 2059 | IcuDateFieldIdToDateType(fp.getField(), isolate), |
| 2060 | substring); |
| 2061 | } |
| 2062 | previous_end_pos = end_pos; |
| 2063 | ++index; |
| 2064 | } |
| 2065 | if (previous_end_pos < length) { |
| 2066 | ASSIGN_RETURN_ON_EXCEPTION(do { if (!(Intl::ToString(isolate, formatted, previous_end_pos , length)).ToHandle(&substring)) { ((void) 0); return MaybeHandle <JSArray>(); } } while (false) |
| 2067 | isolate, substring,do { if (!(Intl::ToString(isolate, formatted, previous_end_pos , length)).ToHandle(&substring)) { ((void) 0); return MaybeHandle <JSArray>(); } } while (false) |
| 2068 | Intl::ToString(isolate, formatted, previous_end_pos, length), JSArray)do { if (!(Intl::ToString(isolate, formatted, previous_end_pos , length)).ToHandle(&substring)) { ((void) 0); return MaybeHandle <JSArray>(); } } while (false); |
| 2069 | if (output_source) { |
| 2070 | Intl::AddElement(isolate, result, index, |
| 2071 | IcuDateFieldIdToDateType(-1, isolate), substring, |
| 2072 | isolate->factory()->source_string(), |
| 2073 | isolate->factory()->shared_string()); |
| 2074 | } else { |
| 2075 | Intl::AddElement(isolate, result, index, |
| 2076 | IcuDateFieldIdToDateType(-1, isolate), substring); |
| 2077 | } |
| 2078 | } |
| 2079 | JSObject::ValidateElements(*result); |
| 2080 | return result; |
| 2081 | } |
| 2082 | |
| 2083 | const std::set<std::string>& JSDateTimeFormat::GetAvailableLocales() { |
| 2084 | return Intl::GetAvailableLocalesForDateFormat(); |
| 2085 | } |
| 2086 | |
| 2087 | Handle<String> JSDateTimeFormat::HourCycleAsString() const { |
| 2088 | switch (hour_cycle()) { |
| 2089 | case HourCycle::kUndefined: |
| 2090 | return GetReadOnlyRoots().undefined_string_handle(); |
| 2091 | case HourCycle::kH11: |
| 2092 | return GetReadOnlyRoots().h11_string_handle(); |
| 2093 | case HourCycle::kH12: |
| 2094 | return GetReadOnlyRoots().h12_string_handle(); |
| 2095 | case HourCycle::kH23: |
| 2096 | return GetReadOnlyRoots().h23_string_handle(); |
| 2097 | case HourCycle::kH24: |
| 2098 | return GetReadOnlyRoots().h24_string_handle(); |
| 2099 | default: |
| 2100 | UNREACHABLE()V8_Fatal("unreachable code"); |
| 2101 | } |
| 2102 | } |
| 2103 | |
| 2104 | namespace { |
| 2105 | |
| 2106 | Maybe<bool> AddPartForFormatRange( |
| 2107 | Isolate* isolate, Handle<JSArray> array, const icu::UnicodeString& string, |
| 2108 | int32_t index, int32_t field, int32_t start, int32_t end, |
| 2109 | const Intl::FormatRangeSourceTracker& tracker) { |
| 2110 | Handle<String> substring; |
| 2111 | ASSIGN_RETURN_ON_EXCEPTION_VALUE(isolate, substring,do { if (!(Intl::ToString(isolate, string, start, end)).ToHandle (&substring)) { ((void) 0); return Nothing<bool>(); } } while (false) |
| 2112 | Intl::ToString(isolate, string, start, end),do { if (!(Intl::ToString(isolate, string, start, end)).ToHandle (&substring)) { ((void) 0); return Nothing<bool>(); } } while (false) |
| 2113 | Nothing<bool>())do { if (!(Intl::ToString(isolate, string, start, end)).ToHandle (&substring)) { ((void) 0); return Nothing<bool>(); } } while (false); |
| 2114 | Intl::AddElement(isolate, array, index, |
| 2115 | IcuDateFieldIdToDateType(field, isolate), substring, |
| 2116 | isolate->factory()->source_string(), |
| 2117 | Intl::SourceString(isolate, tracker.GetSource(start, end))); |
| 2118 | return Just(true); |
| 2119 | } |
| 2120 | |
| 2121 | MaybeHandle<String> FormattedToString(Isolate* isolate, |
| 2122 | const icu::FormattedValue& formatted, |
| 2123 | bool* outputRange) { |
| 2124 | UErrorCode status = U_ZERO_ERROR; |
| 2125 | icu::UnicodeString result = formatted.toString(status); |
| 2126 | if (U_FAILURE(status)) { |
| 2127 | THROW_NEW_ERROR(isolate, NewTypeError(MessageTemplate::kIcuError), String)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<String>(__isolate__->factory()->NewTypeError (MessageTemplate::kIcuError)); } while (false); |
| 2128 | } |
| 2129 | *outputRange = false; |
| 2130 | icu::ConstrainedFieldPosition cfpos; |
| 2131 | while (formatted.nextPosition(cfpos, status)) { |
| 2132 | if (cfpos.getCategory() == UFIELD_CATEGORY_DATE_INTERVAL_SPAN) { |
| 2133 | *outputRange = true; |
| 2134 | break; |
| 2135 | } |
| 2136 | } |
| 2137 | return Intl::ToString(isolate, result); |
| 2138 | } |
| 2139 | |
| 2140 | // A helper function to convert the FormattedDateInterval to a |
| 2141 | // MaybeHandle<JSArray> for the implementation of formatRangeToParts. |
| 2142 | MaybeHandle<JSArray> FormattedDateIntervalToJSArray( |
| 2143 | Isolate* isolate, const icu::FormattedValue& formatted, bool* outputRange) { |
| 2144 | UErrorCode status = U_ZERO_ERROR; |
| 2145 | icu::UnicodeString result = formatted.toString(status); |
| 2146 | |
| 2147 | Factory* factory = isolate->factory(); |
| 2148 | Handle<JSArray> array = factory->NewJSArray(0); |
| 2149 | icu::ConstrainedFieldPosition cfpos; |
| 2150 | int index = 0; |
| 2151 | int32_t previous_end_pos = 0; |
| 2152 | Intl::FormatRangeSourceTracker tracker; |
| 2153 | *outputRange = false; |
| 2154 | while (formatted.nextPosition(cfpos, status)) { |
| 2155 | int32_t category = cfpos.getCategory(); |
| 2156 | int32_t field = cfpos.getField(); |
| 2157 | int32_t start = cfpos.getStart(); |
| 2158 | int32_t limit = cfpos.getLimit(); |
| 2159 | |
| 2160 | if (category == UFIELD_CATEGORY_DATE_INTERVAL_SPAN) { |
| 2161 | DCHECK_LE(field, 2)((void) 0); |
| 2162 | *outputRange = true; |
| 2163 | tracker.Add(field, start, limit); |
| 2164 | } else { |
| 2165 | DCHECK(category == UFIELD_CATEGORY_DATE)((void) 0); |
| 2166 | if (start > previous_end_pos) { |
| 2167 | // Add "literal" from the previous end position to the start if |
| 2168 | // necessary. |
| 2169 | Maybe<bool> maybe_added = |
| 2170 | AddPartForFormatRange(isolate, array, result, index, -1, |
| 2171 | previous_end_pos, start, tracker); |
| 2172 | MAYBE_RETURN(maybe_added, Handle<JSArray>())do { if ((maybe_added).IsNothing()) return Handle<JSArray> (); } while (false); |
| 2173 | previous_end_pos = start; |
Value stored to 'previous_end_pos' is never read | |
| 2174 | index++; |
| 2175 | } |
| 2176 | Maybe<bool> maybe_added = AddPartForFormatRange( |
| 2177 | isolate, array, result, index, field, start, limit, tracker); |
| 2178 | MAYBE_RETURN(maybe_added, Handle<JSArray>())do { if ((maybe_added).IsNothing()) return Handle<JSArray> (); } while (false); |
| 2179 | previous_end_pos = limit; |
| 2180 | ++index; |
| 2181 | } |
| 2182 | } |
| 2183 | int32_t end = result.length(); |
| 2184 | // Add "literal" in the end if necessary. |
| 2185 | if (end > previous_end_pos) { |
| 2186 | Maybe<bool> maybe_added = AddPartForFormatRange( |
| 2187 | isolate, array, result, index, -1, previous_end_pos, end, tracker); |
| 2188 | MAYBE_RETURN(maybe_added, Handle<JSArray>())do { if ((maybe_added).IsNothing()) return Handle<JSArray> (); } while (false); |
| 2189 | } |
| 2190 | |
| 2191 | if (U_FAILURE(status)) { |
| 2192 | THROW_NEW_ERROR(isolate, NewTypeError(MessageTemplate::kIcuError), JSArray)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<JSArray>(__isolate__->factory()->NewTypeError (MessageTemplate::kIcuError)); } while (false); |
| 2193 | } |
| 2194 | |
| 2195 | JSObject::ValidateElements(*array); |
| 2196 | return array; |
| 2197 | } |
| 2198 | |
| 2199 | // The shared code between formatRange and formatRangeToParts |
| 2200 | template <typename T, |
| 2201 | MaybeHandle<T> (*F)(Isolate*, const icu::FormattedValue&, bool*)> |
| 2202 | MaybeHandle<T> FormatRangeCommon(Isolate* isolate, |
| 2203 | Handle<JSDateTimeFormat> date_time_format, |
| 2204 | double x, double y, bool* outputRange) { |
| 2205 | // Track newer feature formateRange and formatRangeToParts |
| 2206 | isolate->CountUsage(v8::Isolate::UseCounterFeature::kDateTimeFormatRange); |
| 2207 | |
| 2208 | // #sec-partitiondatetimerangepattern |
| 2209 | // 1. Let x be TimeClip(x). |
| 2210 | x = DateCache::TimeClip(x); |
| 2211 | // 2. If x is NaN, throw a RangeError exception. |
| 2212 | if (std::isnan(x)) { |
| 2213 | THROW_NEW_ERROR(isolate, NewRangeError(MessageTemplate::kInvalidTimeValue),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<T>(__isolate__->factory()->NewRangeError(MessageTemplate ::kInvalidTimeValue)); } while (false) |
| 2214 | T)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<T>(__isolate__->factory()->NewRangeError(MessageTemplate ::kInvalidTimeValue)); } while (false); |
| 2215 | } |
| 2216 | // 3. Let y be TimeClip(y). |
| 2217 | y = DateCache::TimeClip(y); |
| 2218 | // 4. If y is NaN, throw a RangeError exception. |
| 2219 | if (std::isnan(y)) { |
| 2220 | THROW_NEW_ERROR(isolate, NewRangeError(MessageTemplate::kInvalidTimeValue),do { auto* __isolate__ = (isolate); return __isolate__->template Throw<T>(__isolate__->factory()->NewRangeError(MessageTemplate ::kInvalidTimeValue)); } while (false) |
| 2221 | T)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<T>(__isolate__->factory()->NewRangeError(MessageTemplate ::kInvalidTimeValue)); } while (false); |
| 2222 | } |
| 2223 | |
| 2224 | icu::DateIntervalFormat* format = |
| 2225 | LazyCreateDateIntervalFormat(isolate, date_time_format); |
| 2226 | if (format == nullptr) { |
| 2227 | THROW_NEW_ERROR(isolate, NewTypeError(MessageTemplate::kIcuError), T)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<T>(__isolate__->factory()->NewTypeError(MessageTemplate ::kIcuError)); } while (false); |
| 2228 | } |
| 2229 | |
| 2230 | UErrorCode status = U_ZERO_ERROR; |
| 2231 | |
| 2232 | icu::SimpleDateFormat* date_format = |
| 2233 | date_time_format->icu_simple_date_format().raw(); |
| 2234 | const icu::Calendar* calendar = date_format->getCalendar(); |
| 2235 | std::unique_ptr<icu::Calendar> c1(calendar->clone()); |
| 2236 | std::unique_ptr<icu::Calendar> c2(calendar->clone()); |
| 2237 | c1->setTime(x, status); |
| 2238 | c2->setTime(y, status); |
| 2239 | // We need to format by Calendar because we need the Gregorian change |
| 2240 | // adjustment already in the SimpleDateFormat to set the correct value of date |
| 2241 | // older than Oct 15, 1582. |
| 2242 | icu::FormattedDateInterval formatted = |
| 2243 | format->formatToValue(*c1, *c2, status); |
| 2244 | if (U_FAILURE(status)) { |
| 2245 | THROW_NEW_ERROR(isolate, NewTypeError(MessageTemplate::kIcuError), T)do { auto* __isolate__ = (isolate); return __isolate__->template Throw<T>(__isolate__->factory()->NewTypeError(MessageTemplate ::kIcuError)); } while (false); |
| 2246 | } |
| 2247 | return F(isolate, formatted, outputRange); |
| 2248 | } |
| 2249 | |
| 2250 | } // namespace |
| 2251 | |
| 2252 | MaybeHandle<String> JSDateTimeFormat::FormatRange( |
| 2253 | Isolate* isolate, Handle<JSDateTimeFormat> date_time_format, double x, |
| 2254 | double y) { |
| 2255 | bool outputRange = true; |
| 2256 | MaybeHandle<String> ret = FormatRangeCommon<String, FormattedToString>( |
| 2257 | isolate, date_time_format, x, y, &outputRange); |
| 2258 | if (outputRange) { |
| 2259 | return ret; |
| 2260 | } |
| 2261 | return FormatDateTime(isolate, |
| 2262 | *(date_time_format->icu_simple_date_format().raw()), x); |
| 2263 | } |
| 2264 | |
| 2265 | MaybeHandle<JSArray> JSDateTimeFormat::FormatRangeToParts( |
| 2266 | Isolate* isolate, Handle<JSDateTimeFormat> date_time_format, double x, |
| 2267 | double y) { |
| 2268 | bool outputRange = true; |
| 2269 | MaybeHandle<JSArray> ret = |
| 2270 | FormatRangeCommon<JSArray, FormattedDateIntervalToJSArray>( |
| 2271 | isolate, date_time_format, x, y, &outputRange); |
| 2272 | if (outputRange) { |
| 2273 | return ret; |
| 2274 | } |
| 2275 | return JSDateTimeFormat::FormatToParts(isolate, date_time_format, x, true); |
| 2276 | } |
| 2277 | |
| 2278 | } // namespace internal |
| 2279 | } // namespace v8 |