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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 "third_party/icu/source/common/unicode/unistr.h" | |
11 #include "ui/base/l10n/l10n_util_plurals.h" | |
12 #include "ui/strings/grit/ui_strings.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_SECS_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_MINS_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_HOURS_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_DAYS_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_SECS_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_MINS_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_SECS_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_MINS_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_HOURS_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_DAYS_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_SECS_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_MINS_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_SECS_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_MINS_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_HOURS_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_DAYS_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_MINS_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_SECS_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_HOURS_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_MINS_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_DAYS_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_HOURS_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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