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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // limitations under the License. | 4 // limitations under the License. |
5 | 5 |
6 #include "src/i18n.h" | 6 #include "src/i18n.h" |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "src/api.h" | 10 #include "src/api.h" |
11 #include "src/factory.h" | 11 #include "src/factory.h" |
12 #include "src/isolate.h" | 12 #include "src/isolate.h" |
13 #include "src/objects-inl.h" | 13 #include "src/objects-inl.h" |
14 #include "src/string-case.h" | 14 #include "src/string-case.h" |
15 #include "unicode/brkiter.h" | 15 #include "unicode/brkiter.h" |
| 16 #include "unicode/bytestream.h" |
16 #include "unicode/calendar.h" | 17 #include "unicode/calendar.h" |
17 #include "unicode/coll.h" | 18 #include "unicode/coll.h" |
18 #include "unicode/curramt.h" | 19 #include "unicode/curramt.h" |
19 #include "unicode/dcfmtsym.h" | 20 #include "unicode/dcfmtsym.h" |
20 #include "unicode/decimfmt.h" | 21 #include "unicode/decimfmt.h" |
21 #include "unicode/dtfmtsym.h" | 22 #include "unicode/dtfmtsym.h" |
22 #include "unicode/dtptngen.h" | 23 #include "unicode/dtptngen.h" |
23 #include "unicode/gregocal.h" | 24 #include "unicode/gregocal.h" |
24 #include "unicode/locid.h" | 25 #include "unicode/locid.h" |
25 #include "unicode/numfmt.h" | 26 #include "unicode/numfmt.h" |
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1205 } | 1206 } |
1206 | 1207 |
1207 return LocaleConvertCase(s, isolate, true, ""); | 1208 return LocaleConvertCase(s, isolate, true, ""); |
1208 } | 1209 } |
1209 | 1210 |
1210 MUST_USE_RESULT Object* ConvertCase(Handle<String> s, bool is_upper, | 1211 MUST_USE_RESULT Object* ConvertCase(Handle<String> s, bool is_upper, |
1211 Isolate* isolate) { | 1212 Isolate* isolate) { |
1212 return is_upper ? ConvertToUpper(s, isolate) : ConvertToLower(s, isolate); | 1213 return is_upper ? ConvertToUpper(s, isolate) : ConvertToLower(s, isolate); |
1213 } | 1214 } |
1214 | 1215 |
| 1216 ICUTimezoneCache::ICUTimezoneCache() : timezone_(nullptr) { Clear(); } |
| 1217 |
| 1218 ICUTimezoneCache::~ICUTimezoneCache() { Clear(); } |
| 1219 |
| 1220 const char* ICUTimezoneCache::LocalTimezone(double time_ms) { |
| 1221 bool is_dst = DaylightSavingsOffset(time_ms) != 0; |
| 1222 char* name = is_dst ? dst_timezone_name_ : timezone_name_; |
| 1223 if (name[0] == '\0') { |
| 1224 icu::UnicodeString result; |
| 1225 GetTimeZone()->getDisplayName(is_dst, icu::TimeZone::LONG, result); |
| 1226 result += '\0'; |
| 1227 |
| 1228 icu::CheckedArrayByteSink byte_sink(name, kMaxTimezoneChars); |
| 1229 result.toUTF8(byte_sink); |
| 1230 CHECK(!byte_sink.Overflowed()); |
| 1231 } |
| 1232 return const_cast<const char*>(name); |
| 1233 } |
| 1234 |
| 1235 icu::TimeZone* ICUTimezoneCache::GetTimeZone() { |
| 1236 if (timezone_ == nullptr) { |
| 1237 timezone_ = icu::TimeZone::createDefault(); |
| 1238 } |
| 1239 return timezone_; |
| 1240 } |
| 1241 |
| 1242 bool ICUTimezoneCache::GetOffsets(double time_ms, int32_t* raw_offset, |
| 1243 int32_t* dst_offset) { |
| 1244 UErrorCode status = U_ZERO_ERROR; |
| 1245 GetTimeZone()->getOffset(time_ms, false, *raw_offset, *dst_offset, status); |
| 1246 return U_SUCCESS(status); |
| 1247 } |
| 1248 |
| 1249 double ICUTimezoneCache::DaylightSavingsOffset(double time_ms) { |
| 1250 int32_t raw_offset, dst_offset; |
| 1251 if (!GetOffsets(time_ms, &raw_offset, &dst_offset)) return 0; |
| 1252 return dst_offset; |
| 1253 } |
| 1254 |
| 1255 double ICUTimezoneCache::LocalTimeOffset() { |
| 1256 int32_t raw_offset, dst_offset; |
| 1257 if (!GetOffsets(icu::Calendar::getNow(), &raw_offset, &dst_offset)) return 0; |
| 1258 return raw_offset; |
| 1259 } |
| 1260 |
| 1261 void ICUTimezoneCache::Clear() { |
| 1262 delete timezone_; |
| 1263 timezone_ = nullptr; |
| 1264 timezone_name_[0] = '\0'; |
| 1265 dst_timezone_name_[0] = '\0'; |
| 1266 } |
| 1267 |
1215 } // namespace internal | 1268 } // namespace internal |
1216 } // namespace v8 | 1269 } // namespace v8 |
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