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| 1 // Copyright 2014 The Chromium 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 #include "ui/base/l10n/formatter.h" |
| 6 |
| 7 #include <vector> |
| 8 |
| 9 #include "base/logging.h" |
| 10 #include "grit/ui_strings.h" |
| 11 #include "third_party/icu/source/common/unicode/unistr.h" |
| 12 #include "ui/base/l10n/l10n_util_plurals.h" |
| 13 |
| 14 namespace ui { |
| 15 |
| 16 UI_BASE_EXPORT bool formatter_force_fallback = false; |
| 17 |
| 18 static const size_t kNumberPluralities = 6; |
| 19 struct Pluralities { |
| 20 int ids[kNumberPluralities]; |
| 21 const char* fallback_one; |
| 22 const char* fallback_other; |
| 23 }; |
| 24 |
| 25 static const Pluralities IDS_ELAPSED_SHORT_SEC = { |
| 26 { IDS_TIME_ELAPSED_SECS_DEFAULT, IDS_TIME_ELAPSED_SEC_SINGULAR, |
| 27 IDS_TIME_ELAPSED_SECS_ZERO, IDS_TIME_ELAPSED_SECS_TWO, |
| 28 IDS_TIME_ELAPSED_SECS_FEW, IDS_TIME_ELAPSED_SECS_MANY }, |
| 29 "one{# sec ago}", |
| 30 " other{# secs ago}" |
| 31 }; |
| 32 static const Pluralities IDS_ELAPSED_SHORT_MIN = { |
| 33 { IDS_TIME_ELAPSED_MINS_DEFAULT, IDS_TIME_ELAPSED_MIN_SINGULAR, |
| 34 IDS_TIME_ELAPSED_MINS_ZERO, IDS_TIME_ELAPSED_MINS_TWO, |
| 35 IDS_TIME_ELAPSED_MINS_FEW, IDS_TIME_ELAPSED_MINS_MANY }, |
| 36 "one{# min ago}", |
| 37 " other{# mins ago}" |
| 38 }; |
| 39 static const Pluralities IDS_ELAPSED_HOUR = { |
| 40 { IDS_TIME_ELAPSED_HOURS_DEFAULT, IDS_TIME_ELAPSED_HOUR_SINGULAR, |
| 41 IDS_TIME_ELAPSED_HOURS_ZERO, IDS_TIME_ELAPSED_HOURS_TWO, |
| 42 IDS_TIME_ELAPSED_HOURS_FEW, IDS_TIME_ELAPSED_HOURS_MANY }, |
| 43 "one{# hour ago}", |
| 44 " other{# hours ago}" |
| 45 }; |
| 46 static const Pluralities IDS_ELAPSED_DAY = { |
| 47 { IDS_TIME_ELAPSED_DAYS_DEFAULT, IDS_TIME_ELAPSED_DAY_SINGULAR, |
| 48 IDS_TIME_ELAPSED_DAYS_ZERO, IDS_TIME_ELAPSED_DAYS_TWO, |
| 49 IDS_TIME_ELAPSED_DAYS_FEW, IDS_TIME_ELAPSED_DAYS_MANY }, |
| 50 "one{# day ago}", |
| 51 " other{# days ago}" |
| 52 }; |
| 53 |
| 54 static const Pluralities IDS_REMAINING_SHORT_SEC = { |
| 55 { IDS_TIME_REMAINING_SECS_DEFAULT, IDS_TIME_REMAINING_SEC_SINGULAR, |
| 56 IDS_TIME_REMAINING_SECS_ZERO, IDS_TIME_REMAINING_SECS_TWO, |
| 57 IDS_TIME_REMAINING_SECS_FEW, IDS_TIME_REMAINING_SECS_MANY }, |
| 58 "one{# sec left}", |
| 59 " other{# secs left}" |
| 60 }; |
| 61 static const Pluralities IDS_REMAINING_SHORT_MIN = { |
| 62 { IDS_TIME_REMAINING_MINS_DEFAULT, IDS_TIME_REMAINING_MIN_SINGULAR, |
| 63 IDS_TIME_REMAINING_MINS_ZERO, IDS_TIME_REMAINING_MINS_TWO, |
| 64 IDS_TIME_REMAINING_MINS_FEW, IDS_TIME_REMAINING_MINS_MANY }, |
| 65 "one{# min left}", |
| 66 " other{# mins left}" |
| 67 }; |
| 68 |
| 69 static const Pluralities IDS_REMAINING_LONG_SEC = { |
| 70 { IDS_TIME_REMAINING_LONG_SECS_DEFAULT, IDS_TIME_REMAINING_LONG_SEC_SINGULAR, |
| 71 IDS_TIME_REMAINING_LONG_SECS_ZERO, IDS_TIME_REMAINING_LONG_SECS_TWO, |
| 72 IDS_TIME_REMAINING_LONG_SECS_FEW, IDS_TIME_REMAINING_LONG_SECS_MANY }, |
| 73 "one{# second left}", |
| 74 " other{# seconds left}" |
| 75 }; |
| 76 static const Pluralities IDS_REMAINING_LONG_MIN = { |
| 77 { IDS_TIME_REMAINING_LONG_MINS_DEFAULT, IDS_TIME_REMAINING_LONG_MIN_SINGULAR, |
| 78 IDS_TIME_REMAINING_LONG_MINS_ZERO, IDS_TIME_REMAINING_LONG_MINS_TWO, |
| 79 IDS_TIME_REMAINING_LONG_MINS_FEW, IDS_TIME_REMAINING_LONG_MINS_MANY }, |
| 80 "one{# minute left}", |
| 81 " other{# minutes left}" |
| 82 }; |
| 83 static const Pluralities IDS_REMAINING_HOUR = { |
| 84 { IDS_TIME_REMAINING_HOURS_DEFAULT, IDS_TIME_REMAINING_HOUR_SINGULAR, |
| 85 IDS_TIME_REMAINING_HOURS_ZERO, IDS_TIME_REMAINING_HOURS_TWO, |
| 86 IDS_TIME_REMAINING_HOURS_FEW, IDS_TIME_REMAINING_HOURS_MANY }, |
| 87 "one{# hour left}", |
| 88 " other{# hours left}" |
| 89 }; |
| 90 static const Pluralities IDS_REMAINING_DAY = { |
| 91 { IDS_TIME_REMAINING_DAYS_DEFAULT, IDS_TIME_REMAINING_DAY_SINGULAR, |
| 92 IDS_TIME_REMAINING_DAYS_ZERO, IDS_TIME_REMAINING_DAYS_TWO, |
| 93 IDS_TIME_REMAINING_DAYS_FEW, IDS_TIME_REMAINING_DAYS_MANY }, |
| 94 "one{# day left}", |
| 95 " other{# days left}" |
| 96 }; |
| 97 |
| 98 static const Pluralities IDS_DURATION_SHORT_SEC = { |
| 99 { IDS_TIME_SECS_DEFAULT, IDS_TIME_SEC_SINGULAR, IDS_TIME_SECS_ZERO, |
| 100 IDS_TIME_SECS_TWO, IDS_TIME_SECS_FEW, IDS_TIME_SECS_MANY }, |
| 101 "one{# sec}", |
| 102 " other{# secs}" |
| 103 }; |
| 104 static const Pluralities IDS_DURATION_SHORT_MIN = { |
| 105 { IDS_TIME_MINS_DEFAULT, IDS_TIME_MIN_SINGULAR, IDS_TIME_MINS_ZERO, |
| 106 IDS_TIME_MINS_TWO, IDS_TIME_MINS_FEW, IDS_TIME_MINS_MANY }, |
| 107 "one{# min}", |
| 108 " other{# mins}" |
| 109 }; |
| 110 |
| 111 static const Pluralities IDS_LONG_SEC = { |
| 112 { IDS_TIME_LONG_SECS_DEFAULT, IDS_TIME_LONG_SEC_SINGULAR, |
| 113 IDS_TIME_LONG_SECS_ZERO, IDS_TIME_LONG_SECS_TWO, |
| 114 IDS_TIME_LONG_SECS_FEW, IDS_TIME_LONG_SECS_MANY }, |
| 115 "one{# second}", |
| 116 " other{# seconds}" |
| 117 }; |
| 118 static const Pluralities IDS_LONG_MIN = { |
| 119 { IDS_TIME_LONG_MINS_DEFAULT, IDS_TIME_LONG_MIN_SINGULAR, |
| 120 IDS_TIME_LONG_MINS_ZERO, IDS_TIME_LONG_MINS_TWO, |
| 121 IDS_TIME_LONG_MINS_FEW, IDS_TIME_LONG_MINS_MANY }, |
| 122 "one{# minute}", |
| 123 " other{# minutes}" |
| 124 }; |
| 125 static const Pluralities IDS_DURATION_HOUR = { |
| 126 { IDS_TIME_HOURS_DEFAULT, IDS_TIME_HOUR_SINGULAR, IDS_TIME_HOURS_ZERO, |
| 127 IDS_TIME_HOURS_TWO, IDS_TIME_HOURS_FEW, IDS_TIME_HOURS_MANY }, |
| 128 "one{# hour}", |
| 129 " other{# hours}" |
| 130 }; |
| 131 static const Pluralities IDS_DURATION_DAY = { |
| 132 { IDS_TIME_DAYS_DEFAULT, IDS_TIME_DAY_SINGULAR, IDS_TIME_DAYS_ZERO, |
| 133 IDS_TIME_DAYS_TWO, IDS_TIME_DAYS_FEW, IDS_TIME_DAYS_MANY }, |
| 134 "one{# day}", |
| 135 " other{# days}" |
| 136 }; |
| 137 |
| 138 static const Pluralities IDS_LONG_MIN_1ST = { |
| 139 { IDS_TIME_LONG_MINS_1ST_DEFAULT, IDS_TIME_LONG_MIN_1ST_SINGULAR, |
| 140 IDS_TIME_LONG_MINS_1ST_ZERO, IDS_TIME_LONG_MINS_1ST_TWO, |
| 141 IDS_TIME_LONG_MINS_1ST_FEW, IDS_TIME_LONG_MINS_1ST_MANY }, |
| 142 "one{# minute }", |
| 143 " other{# minutes }" |
| 144 }; |
| 145 static const Pluralities IDS_LONG_SEC_2ND = { |
| 146 { IDS_TIME_LONG_SECS_2ND_DEFAULT, IDS_TIME_LONG_SEC_2ND_SINGULAR, |
| 147 IDS_TIME_LONG_SECS_2ND_ZERO, IDS_TIME_LONG_SECS_2ND_TWO, |
| 148 IDS_TIME_LONG_SECS_2ND_FEW, IDS_TIME_LONG_SECS_2ND_MANY }, |
| 149 "one{# second}", |
| 150 " other{# seconds}" |
| 151 }; |
| 152 static const Pluralities IDS_DURATION_HOUR_1ST = { |
| 153 { IDS_TIME_HOURS_1ST_DEFAULT, IDS_TIME_HOUR_1ST_SINGULAR, |
| 154 IDS_TIME_HOURS_1ST_ZERO, IDS_TIME_HOURS_1ST_TWO, |
| 155 IDS_TIME_HOURS_1ST_FEW, IDS_TIME_HOURS_1ST_MANY }, |
| 156 "one{# hour }", |
| 157 " other{# hours }" |
| 158 }; |
| 159 static const Pluralities IDS_LONG_MIN_2ND = { |
| 160 { IDS_TIME_LONG_MINS_2ND_DEFAULT, IDS_TIME_LONG_MIN_2ND_SINGULAR, |
| 161 IDS_TIME_LONG_MINS_2ND_ZERO, IDS_TIME_LONG_MINS_2ND_TWO, |
| 162 IDS_TIME_LONG_MINS_2ND_FEW, IDS_TIME_LONG_MINS_2ND_MANY }, |
| 163 "one{# minute}", |
| 164 " other{# minutes}" |
| 165 }; |
| 166 static const Pluralities IDS_DURATION_DAY_1ST = { |
| 167 { IDS_TIME_DAYS_1ST_DEFAULT, IDS_TIME_DAY_1ST_SINGULAR, |
| 168 IDS_TIME_DAYS_1ST_ZERO, IDS_TIME_DAYS_1ST_TWO, |
| 169 IDS_TIME_DAYS_1ST_FEW, IDS_TIME_DAYS_1ST_MANY }, |
| 170 "one{# day }", |
| 171 " other{# days }" |
| 172 }; |
| 173 static const Pluralities IDS_DURATION_HOUR_2ND = { |
| 174 { IDS_TIME_HOURS_2ND_DEFAULT, IDS_TIME_HOUR_2ND_SINGULAR, |
| 175 IDS_TIME_HOURS_2ND_ZERO, IDS_TIME_HOURS_2ND_TWO, |
| 176 IDS_TIME_HOURS_2ND_FEW, IDS_TIME_HOURS_2ND_MANY }, |
| 177 "one{# hour}", |
| 178 " other{# hours}" |
| 179 }; |
| 180 |
| 181 Formatter::Formatter(const Pluralities& sec_pluralities, |
| 182 const Pluralities& min_pluralities, |
| 183 const Pluralities& hour_pluralities, |
| 184 const Pluralities& day_pluralities) { |
| 185 simple_format_[UNIT_SEC] = InitFormat(sec_pluralities); |
| 186 simple_format_[UNIT_MIN] = InitFormat(min_pluralities); |
| 187 simple_format_[UNIT_HOUR] = InitFormat(hour_pluralities); |
| 188 simple_format_[UNIT_DAY] = InitFormat(day_pluralities); |
| 189 } |
| 190 |
| 191 Formatter::Formatter(const Pluralities& sec_pluralities, |
| 192 const Pluralities& min_pluralities, |
| 193 const Pluralities& hour_pluralities, |
| 194 const Pluralities& day_pluralities, |
| 195 const Pluralities& min_sec_pluralities1, |
| 196 const Pluralities& min_sec_pluralities2, |
| 197 const Pluralities& hour_min_pluralities1, |
| 198 const Pluralities& hour_min_pluralities2, |
| 199 const Pluralities& day_hour_pluralities1, |
| 200 const Pluralities& day_hour_pluralities2) { |
| 201 simple_format_[UNIT_SEC] = InitFormat(sec_pluralities); |
| 202 simple_format_[UNIT_MIN] = InitFormat(min_pluralities); |
| 203 simple_format_[UNIT_HOUR] = InitFormat(hour_pluralities); |
| 204 simple_format_[UNIT_DAY] = InitFormat(day_pluralities); |
| 205 detailed_format_[TWO_UNITS_MIN_SEC][0] = InitFormat(min_sec_pluralities1); |
| 206 detailed_format_[TWO_UNITS_MIN_SEC][1] = InitFormat(min_sec_pluralities2); |
| 207 detailed_format_[TWO_UNITS_HOUR_MIN][0] = InitFormat(hour_min_pluralities1); |
| 208 detailed_format_[TWO_UNITS_HOUR_MIN][1] = InitFormat(hour_min_pluralities2); |
| 209 detailed_format_[TWO_UNITS_DAY_HOUR][0] = InitFormat(day_hour_pluralities1); |
| 210 detailed_format_[TWO_UNITS_DAY_HOUR][1] = InitFormat(day_hour_pluralities2); |
| 211 } |
| 212 |
| 213 void Formatter::Format(Unit unit, |
| 214 int value, |
| 215 icu::UnicodeString& formatted_string) const { |
| 216 DCHECK(simple_format_[unit]); |
| 217 UErrorCode error = U_ZERO_ERROR; |
| 218 formatted_string = simple_format_[unit]->format(value, error); |
| 219 DCHECK(U_SUCCESS(error)) << "Error in icu::PluralFormat::format()."; |
| 220 return; |
| 221 } |
| 222 |
| 223 void Formatter::Format(TwoUnits units, |
| 224 int value_1, |
| 225 int value_2, |
| 226 icu::UnicodeString& formatted_string) const { |
| 227 DCHECK(detailed_format_[units][0]) |
| 228 << "Detailed() not implemented for your (format, length) combination!"; |
| 229 DCHECK(detailed_format_[units][1]) |
| 230 << "Detailed() not implemented for your (format, length) combination!"; |
| 231 UErrorCode error = U_ZERO_ERROR; |
| 232 formatted_string = detailed_format_[units][0]->format(value_1, error); |
| 233 DCHECK(U_SUCCESS(error)); |
| 234 formatted_string += detailed_format_[units][1]->format(value_2, error); |
| 235 DCHECK(U_SUCCESS(error)); |
| 236 return; |
| 237 } |
| 238 |
| 239 scoped_ptr<icu::PluralFormat> Formatter::CreateFallbackFormat( |
| 240 const icu::PluralRules& rules, |
| 241 const Pluralities& pluralities) const { |
| 242 icu::UnicodeString pattern; |
| 243 if (rules.isKeyword(UNICODE_STRING_SIMPLE("one"))) |
| 244 pattern += icu::UnicodeString(pluralities.fallback_one); |
| 245 pattern += icu::UnicodeString(pluralities.fallback_other); |
| 246 |
| 247 UErrorCode error = U_ZERO_ERROR; |
| 248 scoped_ptr<icu::PluralFormat> format( |
| 249 new icu::PluralFormat(rules, pattern, error)); |
| 250 DCHECK(U_SUCCESS(error)); |
| 251 return format.Pass(); |
| 252 } |
| 253 |
| 254 scoped_ptr<icu::PluralFormat> Formatter::InitFormat( |
| 255 const Pluralities& pluralities) { |
| 256 if (!formatter_force_fallback) { |
| 257 icu::UnicodeString pattern; |
| 258 std::vector<int> ids; |
| 259 for (size_t j = 0; j < kNumberPluralities; ++j) |
| 260 ids.push_back(pluralities.ids[j]); |
| 261 scoped_ptr<icu::PluralFormat> format = l10n_util::BuildPluralFormat(ids); |
| 262 if (format.get()) |
| 263 return format.Pass(); |
| 264 } |
| 265 |
| 266 scoped_ptr<icu::PluralRules> rules(l10n_util::BuildPluralRules()); |
| 267 return CreateFallbackFormat(*rules, pluralities); |
| 268 } |
| 269 |
| 270 const Formatter* FormatterContainer::Get(TimeFormat::Format format, |
| 271 TimeFormat::Length length) const { |
| 272 DCHECK(formatter_[format][length]) |
| 273 << "Combination of FORMAT_ELAPSED and LENGTH_LONG is not implemented!"; |
| 274 return formatter_[format][length].get(); |
| 275 } |
| 276 |
| 277 FormatterContainer::FormatterContainer() { |
| 278 Initialize(); |
| 279 } |
| 280 |
| 281 FormatterContainer::~FormatterContainer() { |
| 282 } |
| 283 |
| 284 void FormatterContainer::Initialize() { |
| 285 formatter_[TimeFormat::FORMAT_ELAPSED][TimeFormat::LENGTH_SHORT].reset( |
| 286 new Formatter(IDS_ELAPSED_SHORT_SEC, |
| 287 IDS_ELAPSED_SHORT_MIN, |
| 288 IDS_ELAPSED_HOUR, |
| 289 IDS_ELAPSED_DAY)); |
| 290 formatter_[TimeFormat::FORMAT_ELAPSED][TimeFormat::LENGTH_LONG].reset(); |
| 291 formatter_[TimeFormat::FORMAT_REMAINING][TimeFormat::LENGTH_SHORT].reset( |
| 292 new Formatter(IDS_REMAINING_SHORT_SEC, |
| 293 IDS_REMAINING_SHORT_MIN, |
| 294 IDS_REMAINING_HOUR, |
| 295 IDS_REMAINING_DAY)); |
| 296 formatter_[TimeFormat::FORMAT_REMAINING][TimeFormat::LENGTH_LONG].reset( |
| 297 new Formatter(IDS_REMAINING_LONG_SEC, |
| 298 IDS_REMAINING_LONG_MIN, |
| 299 IDS_REMAINING_HOUR, |
| 300 IDS_REMAINING_DAY)); |
| 301 formatter_[TimeFormat::FORMAT_DURATION][TimeFormat::LENGTH_SHORT].reset( |
| 302 new Formatter(IDS_DURATION_SHORT_SEC, |
| 303 IDS_DURATION_SHORT_MIN, |
| 304 IDS_DURATION_HOUR, |
| 305 IDS_DURATION_DAY)); |
| 306 formatter_[TimeFormat::FORMAT_DURATION][TimeFormat::LENGTH_LONG].reset( |
| 307 new Formatter(IDS_LONG_SEC, |
| 308 IDS_LONG_MIN, |
| 309 IDS_DURATION_HOUR, |
| 310 IDS_DURATION_DAY, |
| 311 IDS_LONG_MIN_1ST, |
| 312 IDS_LONG_SEC_2ND, |
| 313 IDS_DURATION_HOUR_1ST, |
| 314 IDS_LONG_MIN_2ND, |
| 315 IDS_DURATION_DAY_1ST, |
| 316 IDS_DURATION_HOUR_2ND)); |
| 317 } |
| 318 |
| 319 void FormatterContainer::Shutdown() { |
| 320 for (int format = 0; format < TimeFormat::FORMAT_COUNT; ++format) { |
| 321 for (int length = 0; length < TimeFormat::LENGTH_COUNT; ++length) { |
| 322 formatter_[format][length].reset(); |
| 323 } |
| 324 } |
| 325 } |
| 326 |
| 327 } // namespace ui |
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