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1 /*
2  * Copyright (c) 2022-2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 #include "i18n_timezone.h"
16 
17 #include <filesystem>
18 #include <fstream>
19 #include <sys/stat.h>
20 #include "hilog/log.h"
21 #include "libxml/globals.h"
22 #include "libxml/tree.h"
23 #include "libxml/xmlstring.h"
24 #include "locale_config.h"
25 #include "locale_info.h"
26 #include "map"
27 #include "set"
28 #include "string"
29 #include "type_traits"
30 #include "umachine.h"
31 #include "utility"
32 #include "utils.h"
33 #include "utypes.h"
34 #include "vector"
35 #include "unicode/locid.h"
36 #include "unicode/unistr.h"
37 #include "utils.h"
38 #include <cstdio>
39 #include <cstdlib>
40 #include <iostream>
41 #include <regex>
42 
43 namespace OHOS {
44 namespace Global {
45 namespace I18n {
46 static constexpr OHOS::HiviewDFX::HiLogLabel LABEL = { LOG_CORE, 0xD001E00, "I18nJs" };
47 using namespace OHOS::HiviewDFX;
48 using namespace std::filesystem;
49 
50 const char *I18nTimeZone::TIMEZONE_KEY = "persist.time.timezone";
51 const char *I18nTimeZone::DEFAULT_TIMEZONE = "GMT";
52 
53 const char *I18nTimeZone::CITY_TIMEZONE_DATA_PATH = "/system/usr/ohos_timezone/ohos_timezones.xml";
54 const char *I18nTimeZone::DEVICE_CITY_TIMEZONE_DATA_PATH = "/system/usr/ohos_timezone/device_timezones.xml";
55 const char *I18nTimeZone::TZ_PIXEL_PATH = "/system/usr/ohos_timezone";
56 const char *I18nTimeZone::DEFAULT_LOCALE = "root";
57 const char *I18nTimeZone::CITY_DISPLAYNAME_PATH = "/system/usr/ohos_timezone/ohos_city_dispname/";
58 const char *I18nTimeZone::DEVICE_CITY_DISPLAYNAME_PATH = "/system/usr/ohos_timezone/device_city_dispname/";
59 
60 const char *I18nTimeZone::TIMEZONE_ROOT_TAG = "timezones";
61 const char *I18nTimeZone::TIMEZONE_SECOND_ROOT_TAG = "timezone";
62 const char *I18nTimeZone::CITY_DISPLAYNAME_ROOT_TAG = "display_names";
63 const char *I18nTimeZone::CITY_DISPLAYNAME_SECOND_ROOT_TAG = "display_name";
64 const char *I18nTimeZone::ZONEINFO_PATH = "/system/etc/zoneinfo";
65 
66 std::set<std::string> I18nTimeZone::availableIDs {};
67 std::set<std::string> I18nTimeZone::supportedLocales {};
68 std::set<std::string> I18nTimeZone::availableZoneCityIDs {};
69 std::map<std::string, std::string> I18nTimeZone::city2TimeZoneID {};
70 bool I18nTimeZone::useDeviceCityDispName = false;
71 
72 std::map<int, std::string> I18nTimeZone::categoryNum2TimezoneWN {
73     { 0, "Africa/Abidjan" },
74     { 1, "Africa/Accra" },
75     { 2, "Africa/Algiers" },
76     { 3, "Africa/Bamako" },
77     { 4, "Africa/Banjul" },
78     { 5, "Africa/Bissau" },
79     { 6, "Africa/Casablanca" },
80     { 7, "Africa/Ceuta" },
81     { 8, "Africa/Conakry" },
82     { 9, "Africa/Dakar" },
83     { 10, "Africa/El_Aaiun" },
84     { 11, "Africa/Freetown" },
85     { 12, "Africa/Lome" },
86     { 13, "Africa/Monrovia" },
87     { 14, "Africa/Nouakchott" },
88     { 15, "Africa/Ouagadougou" },
89     { 16, "America/Adak" },
90     { 17, "America/Anchorage" },
91     { 18, "America/Anguilla" },
92     { 19, "America/Antigua" },
93     { 20, "America/Aruba" },
94     { 21, "America/Atikokan" },
95     { 22, "America/Bahia_Banderas" },
96     { 23, "America/Barbados" },
97     { 24, "America/Belem" },
98     { 25, "America/Belize" },
99     { 26, "America/Blanc-Sablon" },
100     { 27, "America/Boa_Vista" },
101     { 28, "America/Bogota" },
102     { 29, "America/Boise" },
103     { 30, "America/Cambridge_Bay" },
104     { 31, "America/Cancun" },
105     { 32, "America/Caracas" },
106     { 33, "America/Cayenne" },
107     { 34, "America/Cayman" },
108     { 35, "America/Chicago" },
109     { 36, "America/Chihuahua" },
110     { 37, "America/Mexico_City" }, // old data is 'America/Ciudad_Juarez'
111     { 38, "America/Costa_Rica" },
112     { 39, "America/Creston" },
113     { 40, "America/Curacao" },
114     { 41, "America/Danmarkshavn" },
115     { 42, "America/Dawson" },
116     { 43, "America/Dawson_Creek" },
117     { 44, "America/Denver" },
118     { 45, "America/Detroit" },
119     { 46, "America/Dominica" },
120     { 47, "America/Edmonton" },
121     { 48, "America/El_Salvador" },
122     { 49, "America/Fort_Nelson" },
123     { 50, "America/Glace_Bay" },
124     { 51, "America/Goose_Bay" },
125     { 52, "America/Grand_Turk" },
126     { 53, "America/Grenada" },
127     { 54, "America/Guadeloupe" },
128     { 55, "America/Guatemala" },
129     { 56, "America/Guayaquil" },
130     { 57, "America/Guyana" },
131     { 58, "America/Halifax" },
132     { 59, "America/Havana" },
133     { 60, "America/Hermosillo" },
134     { 61, "America/Indiana/Indianapolis" },
135     { 62, "America/Indiana/Knox" },
136     { 63, "America/Indiana/Marengo" },
137     { 64, "America/Indiana/Petersburg" },
138     { 65, "America/Indiana/Tell_City" },
139     { 66, "America/Indiana/Vevay" },
140     { 67, "America/Indiana/Vincennes" },
141     { 68, "America/Indiana/Winamac" },
142     { 69, "America/Inuvik" },
143     { 70, "America/Iqaluit" },
144     { 71, "America/Jamaica" },
145     { 72, "America/Juneau" },
146     { 73, "America/Kentucky/Louisville" },
147     { 74, "America/Kentucky/Monticello" },
148     { 75, "America/Kralendijk" },
149     { 76, "America/Los_Angeles" },
150     { 77, "America/Lower_Princes" },
151     { 78, "America/Managua" },
152     { 79, "America/Manaus" },
153     { 80, "America/Marigot" },
154     { 81, "America/Martinique" },
155     { 82, "America/Matamoros" },
156     { 83, "America/Mazatlan" },
157     { 84, "America/Menominee" },
158     { 85, "America/Merida" },
159     { 86, "America/Metlakatla" },
160     { 87, "America/Mexico_City" },
161     { 88, "America/Miquelon" },
162     { 89, "America/Moncton" },
163     { 90, "America/Monterrey" },
164     { 91, "America/Montserrat" },
165     { 92, "America/Nassau" },
166     { 93, "America/New_York" },
167     { 94, "America/Nome" },
168     { 95, "America/Noronha" },
169     { 96, "America/North_Dakota/Beulah" },
170     { 97, "America/North_Dakota/Center" },
171     { 98, "America/North_Dakota/New_Salem" },
172     { 99, "America/Nuuk" },
173     { 100, "America/Ojinaga" },
174     { 101, "America/Panama" },
175     { 102, "America/Paramaribo" },
176     { 103, "America/Phoenix" },
177     { 104, "America/Port-au-Prince" },
178     { 105, "America/Port_of_Spain" },
179     { 106, "America/Puerto_Rico" },
180     { 107, "America/Rankin_Inlet" },
181     { 108, "America/Regina" },
182     { 109, "America/Resolute" },
183     { 110, "America/Santarem" },
184     { 111, "America/Santo_Domingo" },
185     { 112, "America/Scoresbysund" },
186     { 113, "America/Sitka" },
187     { 114, "America/St_Barthelemy" },
188     { 115, "America/St_Johns" },
189     { 116, "America/St_Kitts" },
190     { 117, "America/St_Lucia" },
191     { 118, "America/St_Thomas" },
192     { 119, "America/St_Vincent" },
193     { 120, "America/Swift_Current" },
194     { 121, "America/Tegucigalpa" },
195     { 122, "America/Thule" },
196     { 123, "America/Tijuana" },
197     { 124, "America/Toronto" },
198     { 125, "America/Tortola" },
199     { 126, "America/Vancouver" },
200     { 127, "America/Whitehorse" },
201     { 128, "America/Winnipeg" },
202     { 129, "America/Yakutat" },
203     { 130, "Asia/Anadyr" },
204     { 131, "Atlantic/Azores" },
205     { 132, "Atlantic/Bermuda" },
206     { 133, "Atlantic/Canary" },
207     { 134, "Atlantic/Cape_Verde" },
208     { 135, "Atlantic/Faroe" },
209     { 136, "Atlantic/Madeira" },
210     { 137, "Atlantic/Reykjavik" },
211     { 138, "Etc/GMT" },
212     { 139, "Etc/GMT+1" },
213     { 140, "Etc/GMT+10" },
214     { 141, "Etc/GMT+11" },
215     { 142, "Etc/GMT+12" },
216     { 143, "Etc/GMT+2" },
217     { 144, "Etc/GMT+3" },
218     { 145, "Etc/GMT+4" },
219     { 146, "Etc/GMT+5" },
220     { 147, "Etc/GMT+6" },
221     { 148, "Etc/GMT+7" },
222     { 149, "Etc/GMT+8" },
223     { 150, "Etc/GMT+9" },
224     { 151, "Etc/GMT-12" },
225     { 152, "Europe/Dublin" },
226     { 153, "Europe/Gibraltar" },
227     { 154, "Europe/Guernsey" },
228     { 155, "Europe/Isle_of_Man" },
229     { 156, "Europe/Jersey" },
230     { 157, "Europe/Lisbon" },
231     { 158, "Europe/London" },
232     { 159, "Europe/Madrid" },
233     { 160, "Europe/Oslo" },
234     { 161, "Europe/Paris" },
235     { 162, "Pacific/Galapagos" },
236     { 163, "Pacific/Honolulu" },
237     { 164, "Pacific/Kiritimati" },
238     { 165, "Pacific/Midway" },
239 };
240 std::map<int, std::string> I18nTimeZone::categoryNum2TimezoneEN {
241     { 0, "Africa/Accra" },
242     { 1, "Africa/Addis_Ababa" },
243     { 2, "Africa/Algiers" },
244     { 3, "Africa/Asmara" },
245     { 4, "Africa/Bamako" },
246     { 5, "Africa/Bangui" },
247     { 6, "Africa/Brazzaville" },
248     { 7, "Africa/Cairo" },
249     { 8, "Africa/Djibouti" },
250     { 9, "Africa/Douala" },
251     { 10, "Africa/Juba" },
252     { 11, "Africa/Kampala" },
253     { 12, "Africa/Khartoum" },
254     { 13, "Africa/Kinshasa" },
255     { 14, "Africa/Lagos" },
256     { 15, "Africa/Libreville" },
257     { 16, "Africa/Lome" },
258     { 17, "Africa/Lubumbashi" },
259     { 18, "Africa/Malabo" },
260     { 19, "Africa/Mogadishu" },
261     { 20, "Africa/Nairobi" },
262     { 21, "Africa/Ndjamena" },
263     { 22, "Africa/Niamey" },
264     { 23, "Africa/Ouagadougou" },
265     { 24, "Africa/Porto-Novo" },
266     { 25, "Africa/Sao_Tome" },
267     { 26, "Africa/Tripoli" },
268     { 27, "Africa/Tunis" },
269     { 28, "America/Adak" },
270     { 29, "Arctic/Longyearbyen" },
271     { 30, "Asia/Aden" },
272     { 31, "Asia/Almaty" },
273     { 32, "Asia/Amman" },
274     { 33, "Asia/Anadyr" },
275     { 34, "Asia/Aqtau" },
276     { 35, "Asia/Aqtobe" },
277     { 36, "Asia/Ashgabat" },
278     { 37, "Asia/Atyrau" },
279     { 38, "Asia/Baghdad" },
280     { 39, "Asia/Bahrain" },
281     { 40, "Asia/Baku" },
282     { 41, "Asia/Bangkok" },
283     { 42, "Asia/Barnaul" },
284     { 43, "Asia/Beirut" },
285     { 44, "Asia/Bishkek" },
286     { 45, "Asia/Brunei" },
287     { 46, "Asia/Chita" },
288     { 47, "Asia/Choibalsan" },
289     { 48, "Asia/Colombo" },
290     { 49, "Asia/Damascus" },
291     { 50, "Asia/Dhaka" },
292     { 51, "Asia/Dubai" },
293     { 52, "Asia/Dushanbe" },
294     { 53, "Asia/Famagusta" },
295     { 54, "Asia/Gaza" },
296     { 55, "Asia/Hebron" },
297     { 56, "Asia/Ho_Chi_Minh" },
298     { 57, "Asia/Hong_Kong" },
299     { 58, "Asia/Hovd" },
300     { 59, "Asia/Irkutsk" },
301     { 60, "Asia/Jakarta" },
302     { 61, "Asia/Jayapura" },
303     { 62, "Asia/Jerusalem" },
304     { 63, "Asia/Kabul" },
305     { 64, "Asia/Kamchatka" },
306     { 65, "Asia/Karachi" },
307     { 66, "Asia/Kathmandu" },
308     { 67, "Asia/Khandyga" },
309     { 68, "Asia/Kolkata" },
310     { 69, "Asia/Krasnoyarsk" },
311     { 70, "Asia/Kuala_Lumpur" },
312     { 71, "Asia/Kuching" },
313     { 72, "Asia/Kuwait" },
314     { 73, "Asia/Macau" },
315     { 74, "Asia/Magadan" },
316     { 75, "Asia/Makassar" },
317     { 76, "Asia/Manila" },
318     { 77, "Asia/Muscat" },
319     { 78, "Asia/Nicosia" },
320     { 79, "Asia/Novokuznetsk" },
321     { 80, "Asia/Novosibirsk" },
322     { 81, "Asia/Omsk" },
323     { 82, "Asia/Oral" },
324     { 83, "Asia/Phnom_Penh" },
325     { 84, "Asia/Pontianak" },
326     { 85, "Asia/Pyongyang" },
327     { 86, "Asia/Qatar" },
328     { 87, "Asia/Qostanay" },
329     { 88, "Asia/Qyzylorda" },
330     { 89, "Asia/Riyadh" },
331     { 90, "Asia/Sakhalin" },
332     { 91, "Asia/Samarkand" },
333     { 92, "Asia/Seoul" },
334     { 93, "Asia/Shanghai" },
335     { 94, "Asia/Singapore" },
336     { 95, "Asia/Srednekolymsk" },
337     { 96, "Asia/Taipei" },
338     { 97, "Asia/Tashkent" },
339     { 98, "Asia/Tbilisi" },
340     { 99, "Asia/Tehran" },
341     { 100, "Asia/Thimphu" },
342     { 101, "Asia/Tokyo" },
343     { 102, "Asia/Tomsk" },
344     { 103, "Asia/Ulaanbaatar" },
345     { 104, "Asia/Urumqi" },
346     { 105, "Asia/Ust-Nera" },
347     { 106, "Asia/Vientiane" },
348     { 107, "Asia/Vladivostok" },
349     { 108, "Asia/Yakutsk" },
350     { 109, "Asia/Yangon" },
351     { 110, "Asia/Yekaterinburg" },
352     { 111, "Asia/Yerevan" },
353     { 112, "Etc/GMT" },
354     { 113, "Etc/GMT-1" },
355     { 114, "Etc/GMT-10" },
356     { 115, "Etc/GMT-11" },
357     { 116, "Etc/GMT-12" },
358     { 117, "Etc/GMT-2" },
359     { 118, "Etc/GMT-3" },
360     { 119, "Etc/GMT-4" },
361     { 120, "Etc/GMT-5" },
362     { 121, "Etc/GMT-6" },
363     { 122, "Etc/GMT-7" },
364     { 123, "Etc/GMT-8" },
365     { 124, "Etc/GMT-9" },
366     { 125, "Europe/Amsterdam" },
367     { 126, "Europe/Andorra" },
368     { 127, "Europe/Astrakhan" },
369     { 128, "Europe/Athens" },
370     { 129, "Europe/Belgrade" },
371     { 130, "Europe/Berlin" },
372     { 131, "Europe/Bratislava" },
373     { 132, "Europe/Brussels" },
374     { 133, "Europe/Bucharest" },
375     { 134, "Europe/Budapest" },
376     { 135, "Europe/Busingen" },
377     { 136, "Europe/Chisinau" },
378     { 137, "Europe/Copenhagen" },
379     { 138, "Europe/Helsinki" },
380     { 139, "Europe/Istanbul" },
381     { 140, "Europe/Kaliningrad" },
382     { 141, "Europe/Kirov" },
383     { 142, "Europe/Kiev" },
384     { 143, "Europe/Ljubljana" },
385     { 144, "Europe/London" },
386     { 145, "Europe/Luxembourg" },
387     { 146, "Europe/Madrid" },
388     { 147, "Europe/Malta" },
389     { 148, "Europe/Mariehamn" },
390     { 149, "Europe/Minsk" },
391     { 150, "Europe/Monaco" },
392     { 151, "Europe/Moscow" },
393     { 152, "Europe/Oslo" },
394     { 153, "Europe/Paris" },
395     { 154, "Europe/Podgorica" },
396     { 155, "Europe/Prague" },
397     { 156, "Europe/Riga" },
398     { 157, "Europe/Rome" },
399     { 158, "Europe/Samara" },
400     { 159, "Europe/San_Marino" },
401     { 160, "Europe/Sarajevo" },
402     { 161, "Europe/Saratov" },
403     { 162, "Europe/Simferopol" },
404     { 163, "Europe/Skopje" },
405     { 164, "Europe/Sofia" },
406     { 165, "Europe/Stockholm" },
407     { 166, "Europe/Tallinn" },
408     { 167, "Europe/Tirane" },
409     { 168, "Europe/Ulyanovsk" },
410     { 169, "Europe/Vaduz" },
411     { 170, "Europe/Vienna" },
412     { 171, "Europe/Vilnius" },
413     { 172, "Europe/Volgograd" },
414     { 173, "Europe/Warsaw" },
415     { 174, "Europe/Zagreb" },
416     { 175, "Europe/Zurich" },
417     { 176, "Indian/Maldives" },
418     { 177, "Pacific/Chuuk" },
419     { 178, "Pacific/Guam" },
420     { 179, "Pacific/Kosrae" },
421     { 180, "Pacific/Kwajalein" },
422     { 181, "Pacific/Majuro" },
423     { 182, "Pacific/Palau" },
424     { 183, "Pacific/Pohnpei" },
425     { 184, "Pacific/Saipan" },
426     { 185, "Pacific/Tarawa" },
427     { 186, "Pacific/Wake" },
428 };
429 std::map<int, std::string> I18nTimeZone::categoryNum2TimezoneWS {
430     { 0, "Africa/Johannesburg" },
431     { 1, "America/Araguaina" },
432     { 2, "America/Argentina/Buenos_Aires" },
433     { 3, "America/Argentina/Catamarca" },
434     { 4, "America/Argentina/Cordoba" },
435     { 5, "America/Argentina/Jujuy" },
436     { 6, "America/Argentina/La_Rioja" },
437     { 7, "America/Argentina/Mendoza" },
438     { 8, "America/Argentina/Rio_Gallegos" },
439     { 9, "America/Argentina/Salta" },
440     { 10, "America/Argentina/San_Juan" },
441     { 11, "America/Argentina/San_Luis" },
442     { 12, "America/Argentina/Tucuman" },
443     { 13, "America/Argentina/Ushuaia" },
444     { 14, "America/Asuncion" },
445     { 15, "America/Bahia" },
446     { 16, "America/Belem" },
447     { 17, "America/Boa_Vista" },
448     { 18, "America/Bogota" },
449     { 19, "America/Campo_Grande" },
450     { 20, "America/Cuiaba" },
451     { 21, "America/Eirunepe" },
452     { 22, "America/Fortaleza" },
453     { 23, "America/Guayaquil" },
454     { 24, "America/La_Paz" },
455     { 25, "America/Lima" },
456     { 26, "America/Maceio" },
457     { 27, "America/Manaus" },
458     { 28, "America/Montevideo" },
459     { 29, "America/Noronha" },
460     { 30, "America/Porto_Velho" },
461     { 31, "America/Punta_Arenas" },
462     { 32, "America/Recife" },
463     { 33, "America/Rio_Branco" },
464     { 34, "America/Santarem" },
465     { 35, "America/Santiago" },
466     { 36, "America/Sao_Paulo" },
467     { 37, "Antarctica/McMurdo" },
468     { 38, "Antarctica/Palmer" },
469     { 39, "Antarctica/Rothera" },
470     { 40, "Atlantic/South_Georgia" },
471     { 41, "Atlantic/St_Helena" },
472     { 42, "Atlantic/Stanley" },
473     { 43, "Etc/GMT" },
474     { 44, "Etc/GMT+1" },
475     { 45, "Etc/GMT+10" },
476     { 46, "Etc/GMT+11" },
477     { 47, "Etc/GMT+12" },
478     { 48, "Etc/GMT+2" },
479     { 49, "Etc/GMT+3" },
480     { 50, "Etc/GMT+4" },
481     { 51, "Etc/GMT+5" },
482     { 52, "Etc/GMT+6" },
483     { 53, "Etc/GMT+7" },
484     { 54, "Etc/GMT+8" },
485     { 55, "Etc/GMT+9" },
486     { 56, "Etc/GMT-12" },
487     { 57, "Etc/UTC" },
488     { 58, "Pacific/Apia" },
489     { 59, "Pacific/Auckland" },
490     { 60, "Pacific/Chatham" },
491     { 61, "Pacific/Easter" },
492     { 62, "Pacific/Fakaofo" },
493     { 63, "Pacific/Fiji" },
494     { 64, "Pacific/Funafuti" },
495     { 65, "Pacific/Galapagos" },
496     { 66, "Pacific/Gambier" },
497     { 67, "Pacific/Kanton" },
498     { 68, "Pacific/Kiritimati" },
499     { 69, "Pacific/Marquesas" },
500     { 70, "Pacific/Niue" },
501     { 71, "Pacific/Pago_Pago" },
502     { 72, "Pacific/Pitcairn" },
503     { 73, "Pacific/Rarotonga" },
504     { 74, "Pacific/Tahiti" },
505     { 75, "Pacific/Tongatapu" },
506     { 76, "Pacific/Wallis" },
507 };
508 std::map<int, std::string> I18nTimeZone::categoryNum2TimezoneES {
509     { 0, "Africa/Blantyre" },
510     { 1, "Africa/Brazzaville" },
511     { 2, "Africa/Bujumbura" },
512     { 3, "Africa/Dar_es_Salaam" },
513     { 4, "Africa/Gaborone" },
514     { 5, "Africa/Harare" },
515     { 6, "Africa/Johannesburg" },
516     { 7, "Africa/Kampala" },
517     { 8, "Africa/Kigali" },
518     { 9, "Africa/Kinshasa" },
519     { 10, "Africa/Libreville" },
520     { 11, "Africa/Luanda" },
521     { 12, "Africa/Lubumbashi" },
522     { 13, "Africa/Lusaka" },
523     { 14, "Africa/Malabo" },
524     { 15, "Africa/Maputo" },
525     { 16, "Africa/Maseru" },
526     { 17, "Africa/Mbabane" },
527     { 18, "Africa/Mogadishu" },
528     { 19, "Africa/Nairobi" },
529     { 20, "Africa/Sao_Tome" },
530     { 21, "Africa/Windhoek" },
531     { 22, "Antarctica/Casey" },
532     { 23, "Antarctica/Davis" },
533     { 24, "Antarctica/DumontDUrville" },
534     { 25, "Antarctica/Macquarie" },
535     { 26, "Antarctica/Mawson" },
536     { 27, "Antarctica/McMurdo" },
537     { 28, "Antarctica/Syowa" },
538     { 29, "Antarctica/Troll" },
539     { 30, "Antarctica/Vostok" },
540     { 31, "Asia/Dili" },
541     { 32, "Asia/Jakarta" },
542     { 33, "Asia/Jayapura" },
543     { 34, "Asia/Makassar" },
544     { 35, "Asia/Pontianak" },
545     { 36, "Australia/Adelaide" },
546     { 37, "Australia/Brisbane" },
547     { 38, "Australia/Broken_Hill" },
548     { 39, "Australia/Darwin" },
549     { 40, "Australia/Eucla" },
550     { 41, "Australia/Hobart" },
551     { 42, "Australia/Lindeman" },
552     { 43, "Australia/Lord_Howe" },
553     { 44, "Australia/Melbourne" },
554     { 45, "Australia/Perth" },
555     { 46, "Australia/Sydney" },
556     { 47, "Etc/GMT" },
557     { 48, "Etc/GMT-1" },
558     { 49, "Etc/GMT-10" },
559     { 50, "Etc/GMT-11" },
560     { 51, "Etc/GMT-12" },
561     { 52, "Etc/GMT-2" },
562     { 53, "Etc/GMT-3" },
563     { 54, "Etc/GMT-4" },
564     { 55, "Etc/GMT-5" },
565     { 56, "Etc/GMT-6" },
566     { 57, "Etc/GMT-7" },
567     { 58, "Etc/GMT-8" },
568     { 59, "Etc/GMT-9" },
569     { 60, "Indian/Antananarivo" },
570     { 61, "Indian/Chagos" },
571     { 62, "Indian/Christmas" },
572     { 63, "Indian/Cocos" },
573     { 64, "Indian/Comoro" },
574     { 65, "Indian/Kerguelen" },
575     { 66, "Indian/Mahe" },
576     { 67, "Indian/Maldives" },
577     { 68, "Indian/Mauritius" },
578     { 69, "Indian/Mayotte" },
579     { 70, "Indian/Reunion" },
580     { 71, "Pacific/Auckland" },
581     { 72, "Pacific/Bougainville" },
582     { 73, "Pacific/Efate" },
583     { 74, "Pacific/Fiji" },
584     { 75, "Pacific/Funafuti" },
585     { 76, "Pacific/Guadalcanal" },
586     { 77, "Pacific/Nauru" },
587     { 78, "Pacific/Norfolk" },
588     { 79, "Pacific/Noumea" },
589     { 80, "Pacific/Port_Moresby" },
590     { 81, "Pacific/Tarawa" },
591 };
592 
I18nTimeZone(std::string & id,bool isZoneID)593 I18nTimeZone::I18nTimeZone(std::string &id, bool isZoneID)
594 {
595     if (isZoneID) {
596         if (id.empty()) {
597             std::string systemTimezone = ReadSystemParameter(TIMEZONE_KEY, SYS_PARAM_LEN);
598             if (systemTimezone.length() == 0) {
599                 systemTimezone = DEFAULT_TIMEZONE;
600             }
601             icu::UnicodeString unicodeZoneID(systemTimezone.data(), systemTimezone.length());
602             timezone = icu::TimeZone::createTimeZone(unicodeZoneID);
603         } else {
604             icu::UnicodeString unicodeZoneID(id.data(), id.length());
605             timezone = icu::TimeZone::createTimeZone(unicodeZoneID);
606         }
607     } else {
608         if (city2TimeZoneID.size() == 0) {
609             GetAvailableZoneCityIDs();
610         }
611         if (city2TimeZoneID.find(id) == city2TimeZoneID.end()) {
612             timezone = icu::TimeZone::createDefault();
613         } else {
614             std::string timezoneID = city2TimeZoneID.at(id);
615             icu::UnicodeString unicodeZoneID(timezoneID.data(), timezoneID.length());
616             timezone = icu::TimeZone::createTimeZone(unicodeZoneID);
617         }
618     }
619 }
620 
~I18nTimeZone()621 I18nTimeZone::~I18nTimeZone()
622 {
623     if (timezone != nullptr) {
624         delete timezone;
625         timezone = nullptr;
626     }
627 }
628 
GetTimeZone()629 icu::TimeZone* I18nTimeZone::GetTimeZone()
630 {
631     return timezone;
632 }
633 
CreateInstance(std::string & id,bool isZoneID)634 std::unique_ptr<I18nTimeZone> I18nTimeZone::CreateInstance(std::string &id, bool isZoneID)
635 {
636     std::unique_ptr<I18nTimeZone> i18nTimeZone = std::make_unique<I18nTimeZone>(id, isZoneID);
637     if (i18nTimeZone->GetTimeZone() == nullptr) {
638         return nullptr;
639     }
640     return i18nTimeZone;
641 }
642 
GetOffset(double date)643 int32_t I18nTimeZone::GetOffset(double date)
644 {
645     int32_t rawOffset = 0;
646     int32_t dstOffset = 0;
647     bool local = false;
648     UErrorCode status = U_ZERO_ERROR;
649     if (timezone == nullptr) {
650         return 0;
651     }
652     timezone->getOffset(date, (UBool)local, rawOffset, dstOffset, status);
653     if (status != U_ZERO_ERROR) {
654         return 0;
655     }
656     return rawOffset + dstOffset;
657 }
658 
GetRawOffset()659 int32_t I18nTimeZone::GetRawOffset()
660 {
661     if (timezone == nullptr) {
662         return 0;
663     }
664     return timezone->getRawOffset();
665 }
666 
GetID()667 std::string I18nTimeZone::GetID()
668 {
669     if (timezone == nullptr) {
670         return "";
671     }
672     icu::UnicodeString zoneID;
673     timezone->getID(zoneID);
674     std::string result;
675     zoneID.toUTF8String(result);
676     return result;
677 }
678 
GetDisplayName()679 std::string I18nTimeZone::GetDisplayName()
680 {
681     if (timezone == nullptr) {
682         return "";
683     }
684     std::string localeStr = LocaleConfig::GetSystemLocale();
685     return GetDisplayName(localeStr, false);
686 }
687 
GetDisplayName(bool isDST)688 std::string I18nTimeZone::GetDisplayName(bool isDST)
689 {
690     std::string localeStr = LocaleConfig::GetSystemLocale();
691     return GetDisplayName(localeStr, isDST);
692 }
693 
GetDisplayName(std::string localeStr)694 std::string I18nTimeZone::GetDisplayName(std::string localeStr)
695 {
696     return GetDisplayName(localeStr, false);
697 }
698 
GetDisplayName(std::string localeStr,bool isDST)699 std::string I18nTimeZone::GetDisplayName(std::string localeStr, bool isDST)
700 {
701     icu::TimeZone::EDisplayType style = icu::TimeZone::EDisplayType::LONG_GENERIC;
702     icu::Locale locale(localeStr.data());
703     icu::UnicodeString name;
704     timezone->getDisplayName((UBool)isDST, style, locale, name);
705     std::string result;
706     name.toUTF8String(result);
707     return result;
708 }
709 
ReadTimeZoneData(const char * xmlPath)710 bool I18nTimeZone::ReadTimeZoneData(const char *xmlPath)
711 {
712     xmlKeepBlanksDefault(0);
713     if (xmlPath == nullptr) {
714         return false;
715     }
716     xmlDocPtr doc = xmlParseFile(xmlPath);
717     if (!doc) {
718         return false;
719     }
720     xmlNodePtr cur = xmlDocGetRootElement(doc);
721     if (!cur || xmlStrcmp(cur->name, reinterpret_cast<const xmlChar *>(TIMEZONE_ROOT_TAG))) {
722         xmlFreeDoc(doc);
723         return false;
724     }
725     cur = cur->xmlChildrenNode;
726     while (cur != nullptr && !xmlStrcmp(cur->name, reinterpret_cast<const xmlChar *>(TIMEZONE_SECOND_ROOT_TAG))) {
727         xmlNodePtr value = cur->xmlChildrenNode;
728         xmlChar *contents[ELEMENT_NUM] = { 0 }; // 2 represent cityid, zoneid;
729         for (size_t i = 0; i < ELEMENT_NUM; i++) {
730             if (value != nullptr) {
731                 contents[i] = xmlNodeGetContent(value);
732                 value = value->next;
733             } else {
734                 break;
735             }
736         }
737         // 0 represents cityid index, 1 represents zoneid index
738         availableZoneCityIDs.insert(reinterpret_cast<const char *>(contents[0]));
739         city2TimeZoneID.insert(
740             std::make_pair<std::string, std::string>(reinterpret_cast<const char *>(contents[0]),
741                                                      reinterpret_cast<const char *>(contents[1])));
742         for (size_t i = 0; i < ELEMENT_NUM; i++) {
743             if (contents[i] != nullptr) {
744                 xmlFree(contents[i]);
745             }
746         }
747         cur = cur->next;
748     }
749     xmlFreeDoc(doc);
750     return true;
751 }
752 
GetTimezoneIDFromZoneInfo(std::set<std::string> & availableIDs,std::string & parentPath,std::string & parentName)753 void I18nTimeZone::GetTimezoneIDFromZoneInfo(std::set<std::string> &availableIDs, std::string &parentPath,
754     std::string &parentName)
755 {
756     using std::filesystem::directory_iterator;
757 
758     struct stat s;
759     for (const auto &dirEntry : directory_iterator{parentPath}) {
760         std::string zonePath = dirEntry.path();
761         if (stat(zonePath.c_str(), &s) != 0) {
762             HiLog::Error(LABEL, "zoneinfo path %{public}s not exist.", parentPath.c_str());
763             return;
764         }
765         std::string zoneName = zonePath.substr(parentPath.length() + 1); // 1 add length of path splitor
766         std::string finalZoneName = parentName + "/" + zoneName;
767         if (s.st_mode & S_IFDIR) {
768             GetTimezoneIDFromZoneInfo(availableIDs, zonePath, finalZoneName);
769         } else {
770             availableIDs.insert(finalZoneName);
771         }
772     }
773 }
774 
GetAvailableIDs(I18nErrorCode & errorCode)775 std::set<std::string> I18nTimeZone::GetAvailableIDs(I18nErrorCode &errorCode)
776 {
777     using std::filesystem::directory_iterator;
778 
779     if (availableIDs.size() != 0) {
780         return availableIDs;
781     }
782     struct stat s;
783     for (const auto &dirEntry : directory_iterator{ZONEINFO_PATH}) {
784         std::string parentPath = dirEntry.path();
785         if (stat(parentPath.c_str(), &s) != 0) {
786             HiLog::Error(LABEL, "zoneinfo path %{public}s not exist.", parentPath.c_str());
787             errorCode = I18nErrorCode::FAILED;
788             return availableIDs;
789         }
790         std::string parentName = parentPath.substr(strlen(ZONEINFO_PATH) + 1);
791         if (s.st_mode & S_IFDIR) {
792             GetTimezoneIDFromZoneInfo(availableIDs, parentPath, parentName);
793         } else {
794             availableIDs.insert(parentName);
795         }
796     }
797     return availableIDs;
798 }
799 
GetAvailableZoneCityIDs()800 std::set<std::string> I18nTimeZone::GetAvailableZoneCityIDs()
801 {
802     if (availableZoneCityIDs.size() != 0) {
803         return availableZoneCityIDs;
804     }
805     struct stat s;
806     if (stat(DEVICE_CITY_TIMEZONE_DATA_PATH, &s) == 0) {
807         ReadTimeZoneData(DEVICE_CITY_TIMEZONE_DATA_PATH);
808     } else {
809         ReadTimeZoneData(CITY_TIMEZONE_DATA_PATH);
810     }
811     return availableZoneCityIDs;
812 }
813 
FindCityDisplayNameFromXml(std::string & cityID,std::string & locale)814 std::string I18nTimeZone::FindCityDisplayNameFromXml(std::string &cityID, std::string &locale)
815 {
816     xmlKeepBlanksDefault(0);
817     std::string xmlPath;
818     if (useDeviceCityDispName) {
819         xmlPath = DEVICE_CITY_DISPLAYNAME_PATH + locale + ".xml";
820     } else {
821         xmlPath = CITY_DISPLAYNAME_PATH + locale + ".xml";
822     }
823     xmlDocPtr doc = xmlParseFile(xmlPath.c_str());
824     if (!doc) {
825         HiLog::Error(LABEL, "can't parse city displayname file %{public}s", xmlPath.c_str());
826         return "";
827     }
828     xmlNodePtr cur = xmlDocGetRootElement(doc);
829     if (!cur || xmlStrcmp(cur->name, reinterpret_cast<const xmlChar *>(CITY_DISPLAYNAME_ROOT_TAG))) {
830         xmlFreeDoc(doc);
831         HiLog::Error(LABEL, "city displayname file %{public}s has wrong root tag.", xmlPath.c_str());
832         return "";
833     }
834     cur = cur->xmlChildrenNode;
835     std::string displayName;
836     while (cur != nullptr && !xmlStrcmp(cur->name,
837         reinterpret_cast<const xmlChar *>(CITY_DISPLAYNAME_SECOND_ROOT_TAG))) {
838         xmlNodePtr value = cur->xmlChildrenNode;
839         xmlChar *contents[ELEMENT_NUM] = { 0 }; // 2 represent cityid, displayName;
840         for (size_t i = 0; i < ELEMENT_NUM; i++) {
841             if (value != nullptr) {
842                 contents[i] = xmlNodeGetContent(value);
843                 value = value->next;
844             } else {
845                 break;
846             }
847         }
848         if (strcmp(cityID.c_str(), reinterpret_cast<const char *>(contents[0])) == 0) {
849             displayName = reinterpret_cast<const char *>(contents[1]);
850         }
851         for (size_t i = 0; i < ELEMENT_NUM; i++) {
852             if (contents[i] != nullptr) {
853                 xmlFree(contents[i]);
854             }
855         }
856         if (displayName.length() != 0) {
857             break;
858         }
859         cur = cur->next;
860     }
861     xmlFreeDoc(doc);
862     return displayName;
863 }
864 
FindCityDisplayNameMap(std::string & locale)865 std::map<std::string, std::string> I18nTimeZone::FindCityDisplayNameMap(std::string &locale)
866 {
867     xmlKeepBlanksDefault(0);
868     std::map<std::string, std::string> resultMap;
869     std::string xmlPath;
870     if (useDeviceCityDispName) {
871         xmlPath = DEVICE_CITY_DISPLAYNAME_PATH + locale + ".xml";
872     } else {
873         xmlPath = CITY_DISPLAYNAME_PATH + locale + ".xml";
874     }
875     xmlDocPtr doc = xmlParseFile(xmlPath.c_str());
876     if (!doc) {
877         HiLog::Error(LABEL, "can't parse city displayname file %{public}s", xmlPath.c_str());
878         return resultMap;
879     }
880     xmlNodePtr cur = xmlDocGetRootElement(doc);
881     if (!cur || xmlStrcmp(cur->name, reinterpret_cast<const xmlChar *>(CITY_DISPLAYNAME_ROOT_TAG))) {
882         xmlFreeDoc(doc);
883         HiLog::Error(LABEL, "city displayname file %{public}s has wrong root tag.", xmlPath.c_str());
884         return resultMap;
885     }
886     cur = cur->xmlChildrenNode;
887     while (cur != nullptr && !xmlStrcmp(cur->name,
888         reinterpret_cast<const xmlChar *>(CITY_DISPLAYNAME_SECOND_ROOT_TAG))) {
889         xmlNodePtr value = cur->xmlChildrenNode;
890         xmlChar *contents[ELEMENT_NUM] = { 0 }; // 2 represent cityid, displayName;
891         for (size_t i = 0; i < ELEMENT_NUM; i++) {
892             if (value != nullptr) {
893                 contents[i] = xmlNodeGetContent(value);
894                 value = value->next;
895             } else {
896                 break;
897             }
898         }
899         resultMap.insert(
900             std::make_pair<std::string, std::string>(reinterpret_cast<const char *>(contents[0]),
901                                                      reinterpret_cast<const char *>(contents[1])));
902         for (size_t i = 0; i < ELEMENT_NUM; i++) {
903             if (contents[i] != nullptr) {
904                 xmlFree(contents[i]);
905             }
906         }
907         cur = cur->next;
908     }
909     xmlFreeDoc(doc);
910     return resultMap;
911 }
912 
GetSupportedLocales()913 bool I18nTimeZone::GetSupportedLocales()
914 {
915     using std::filesystem::directory_iterator;
916 
917     struct stat s;
918     std::string displayNamePath;
919     if (stat(DEVICE_CITY_DISPLAYNAME_PATH, &s) == 0) {
920         useDeviceCityDispName = true;
921         displayNamePath = DEVICE_CITY_DISPLAYNAME_PATH;
922     } else {
923         displayNamePath = CITY_DISPLAYNAME_PATH;
924     }
925     for (const auto &dirEntry : directory_iterator{displayNamePath}) {
926         std::string xmlPath = dirEntry.path();
927         if (stat(xmlPath.c_str(), &s) != 0) {
928             HiLog::Error(LABEL, "city displayname file %{public}s not exist.", xmlPath.c_str());
929             return false;
930         }
931         int32_t localeStrLen = static_cast<int32_t>(xmlPath.length()) - static_cast<int32_t>(
932             displayNamePath.length()) - 4;  // 4 is the length of ".xml"
933         std::string localeStr = xmlPath.substr(displayNamePath.length(), localeStrLen);
934         supportedLocales.insert(localeStr);
935     }
936     return true;
937 }
938 
GetFallBack(std::string & localeStr)939 std::string I18nTimeZone::GetFallBack(std::string &localeStr)
940 {
941     if (strcmp(localeStr.c_str(), DEFAULT_LOCALE) == 0) {
942         return "";
943     }
944     size_t begin = 0;
945     std::vector<std::string> localeParts;
946     while (true) {
947         size_t end = localeStr.find('_', begin);
948         localeParts.push_back(localeStr.substr(begin, end - begin));
949         if (end == std::string::npos) {
950             break;
951         }
952         begin = end + 1;
953     }
954 
955     if (localeParts.size() == 1) {
956         return DEFAULT_LOCALE;
957     }
958     std::string fallBackLocale;
959     for (size_t i = 0; i < localeParts.size() - 1; i++) {
960         fallBackLocale += localeParts[i];
961         if (i != localeParts.size() - 2) { // -2 represent the last part
962             fallBackLocale += "_";
963         }
964     }
965     return fallBackLocale;
966 }
967 
GetCityDisplayName(std::string & cityID,std::string & localeStr)968 std::string I18nTimeZone::GetCityDisplayName(std::string &cityID, std::string &localeStr)
969 {
970     if (availableZoneCityIDs.size() == 0) {
971         GetAvailableZoneCityIDs();
972     }
973     if (availableZoneCityIDs.find(cityID) == availableZoneCityIDs.end()) {
974         HiLog::Error(LABEL, "%{public}s is not supported cityID.", cityID.c_str());
975         return "";
976     }
977     std::string requestLocaleStr = GetLocaleBaseName(localeStr);
978     if (requestLocaleStr.length() != 0) {
979         std::string displayName = FindCityDisplayNameFromXml(cityID, requestLocaleStr);
980         if (displayName.length() != 0) {
981             return displayName;
982         }
983     }
984     return "";
985 }
986 
GetLocaleBaseName(std::string & localeStr)987 std::string I18nTimeZone::GetLocaleBaseName(std::string &localeStr)
988 {
989     if (supportedLocales.size() == 0) {
990         bool status = GetSupportedLocales();
991         if (!status) {
992             HiLog::Error(LABEL, "get supported Locales failed");
993             return "";
994         }
995     }
996     UErrorCode errorCode = U_ZERO_ERROR;
997     icu::Locale locale = icu::Locale::forLanguageTag(localeStr, errorCode);
998     if (U_FAILURE(errorCode)) {
999         HiLog::Error(LABEL, "create icu Locale for %{public}s failed", localeStr.c_str());
1000         return "";
1001     }
1002     std::string requestLocaleStr = locale.getBaseName();
1003     std::string displayName;
1004     if (supportedLocales.find(requestLocaleStr) != supportedLocales.end()) {
1005         return requestLocaleStr;
1006     }
1007     locale.addLikelySubtags(errorCode);
1008     if (U_FAILURE(errorCode)) {
1009         HiLog::Error(LABEL, "add likely subtags for %{public}s failed", localeStr.c_str());
1010         return "";
1011     }
1012     requestLocaleStr = locale.getBaseName();
1013     while (requestLocaleStr.length() != 0) {
1014         if (supportedLocales.find(requestLocaleStr) != supportedLocales.end() || strcmp(requestLocaleStr.c_str(),
1015             DEFAULT_LOCALE) == 0) {
1016             return requestLocaleStr;
1017         }
1018         requestLocaleStr = GetFallBack(requestLocaleStr);
1019     }
1020     return displayName;
1021 }
1022 
GetTimezoneIdByCityId(const std::string & cityId)1023 std::string I18nTimeZone::GetTimezoneIdByCityId(const std::string &cityId)
1024 {
1025     if (city2TimeZoneID.size() == 0) {
1026         GetAvailableZoneCityIDs();
1027     }
1028     if (city2TimeZoneID.find(cityId) == city2TimeZoneID.end()) {
1029         return "";
1030     } else {
1031         return city2TimeZoneID.at(cityId);
1032     }
1033 }
1034 
GetTimezoneIdByLocation(const double x,const double y)1035 std::vector<std::string> I18nTimeZone::GetTimezoneIdByLocation(const double x, const double y)
1036 {
1037     std::vector<std::string> tzIdList;
1038 #ifdef SUPPORT_GRAPHICS
1039     std::map<int, std::string> categoryMap;
1040     int fixedX, fixedY;
1041     if (x < 0 && y >= 0) {
1042         categoryMap = categoryNum2TimezoneWN;
1043     } else if (x >= 0 && y >= 0) {
1044         categoryMap = categoryNum2TimezoneEN;
1045     } else if (x < 0 && y < 0) {
1046         categoryMap = categoryNum2TimezoneWS;
1047     } else {
1048         categoryMap = categoryNum2TimezoneES;
1049     }
1050     std::vector<std::string> filePaths = FindTzData();
1051     int pathLen = filePaths.size();
1052     if (pathLen < 1) {
1053         return tzIdList;
1054     }
1055     std::string preferredPath = GetPreferredPath(x, filePaths);
1056     if (preferredPath == "") {
1057         return tzIdList;
1058     }
1059     uint32_t width, height;
1060     GetTzDataWidth(filePaths, &width, &height);
1061     fixedX = (int)(y * (width / TZ_X_PLUS) + width / TZ_HALF_OF_SIZE);
1062     fixedY = (int)(x * ((height * pathLen) / (TZ_X_PLUS * TZ_HALF_OF_SIZE)) + (height * pathLen) / TZ_HALF_OF_SIZE);
1063     if (ParamExceedScope(fixedX, fixedY, width, height * pathLen)) {
1064         HiLog::Error(LABEL, "invalid width:%{public}d or height: %{public}d ", fixedX, fixedY);
1065         return tzIdList;
1066     }
1067     int actualHeight = pathLen > 1 ? (fixedY % height) : fixedY;
1068     std::vector<int> pixel = GetColorData(fixedX, fixedY, actualHeight, preferredPath);
1069     for (size_t i = 0; i < pixel.size(); i++) {
1070         //255 is invalid pixel value required
1071         if (pixel[i] != TZ_MAX_PIXEL_VALUE && categoryMap.find(pixel[i]) != categoryMap.end()) {
1072             std::string zdId = categoryMap[pixel[i]];
1073             tzIdList.push_back(zdId);
1074         }
1075     }
1076 #endif
1077     return tzIdList;
1078 }
1079 
GetColorData(const int x,const int y,int actualHeight,std::string preferredPath)1080 std::vector<int> I18nTimeZone::GetColorData(const int x, const int y, int actualHeight, std::string preferredPath)
1081 {
1082     std::vector<int> result;
1083     FILE *fp;
1084     png_structp png_ptr;
1085     png_infop info_ptr;
1086     png_bytep row_pointers;
1087     int code = InitPngptr(png_ptr, info_ptr, &fp, preferredPath);
1088     if (code != 0) {
1089         return result;
1090     }
1091     try {
1092         rewind(fp);
1093         png_init_io(png_ptr, fp);
1094         png_read_info(png_ptr, info_ptr);
1095         unsigned int rowbytes = png_get_rowbytes(png_ptr, info_ptr);
1096         row_pointers = (png_bytep)png_malloc(png_ptr, rowbytes);
1097         if (row_pointers == nullptr) {
1098             png_destroy_read_struct(&png_ptr, &info_ptr, 0);
1099             CloseFile(fp);
1100             HiLog::Error(LABEL, "malloc rowbytes failed.");
1101             return result;
1102         }
1103         png_start_read_image(png_ptr);
1104         for (int i = 0; i < (actualHeight + 1); i++) {
1105             png_read_row(png_ptr, row_pointers, NULL);
1106         }
1107         for (size_t i = 0; i < 3; i++) { // 3 is RGB color pixel length
1108             std::string pixel = std::to_string(*(row_pointers + x * 3 + i)); // 3 is RGB color pixel length
1109             result.push_back(atoi(pixel.c_str()));
1110         }
1111         png_free(png_ptr, row_pointers);
1112         CloseFile(fp);
1113     } catch (...) {
1114         png_destroy_read_struct(&png_ptr, &info_ptr, 0);
1115         CloseFile(fp);
1116     }
1117     return result;
1118 }
1119 
GetTzDataWidth(std::vector<std::string> filePaths,uint32_t * width,uint32_t * height)1120 void I18nTimeZone::GetTzDataWidth(std::vector<std::string> filePaths, uint32_t *width, uint32_t *height)
1121 {
1122     if (filePaths.size() == 0 || !CheckTzDataFilePath(filePaths.at(0))) {
1123         *width = 0;
1124         *height = 0;
1125     } else {
1126         FILE* fp;
1127         png_structp png_ptr;
1128         png_infop info_ptr;
1129         try {
1130             std::string path = filePaths.at(0);
1131             fp = fopen(path.c_str(), "rb");
1132             png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1133             info_ptr = png_create_info_struct(png_ptr);
1134             rewind(fp);
1135             png_init_io(png_ptr, fp);
1136             png_read_info(png_ptr, info_ptr);
1137             unsigned int w, h;
1138             png_get_IHDR(png_ptr, info_ptr, &w, &h, NULL, NULL, NULL, NULL, NULL);
1139             *width = w;
1140             *height = h;
1141             png_destroy_read_struct(&png_ptr, &info_ptr, 0);
1142             CloseFile(fp);
1143         } catch(...) {
1144             png_destroy_read_struct(&png_ptr, &info_ptr, 0);
1145             CloseFile(fp);
1146         }
1147     }
1148 }
1149 
InitPngptr(png_structp & png_ptr,png_infop & info_ptr,FILE ** fp,std::string preferredPath)1150 int I18nTimeZone::InitPngptr(png_structp &png_ptr, png_infop &info_ptr, FILE **fp,
1151                              std::string preferredPath)
1152 {
1153     bool validFilePath = CheckTzDataFilePath(preferredPath);
1154     if (!validFilePath) {
1155         HiLog::Error(LABEL, "timezone data filepath invalid.");
1156         return 1;
1157     }
1158     *fp = fopen(preferredPath.c_str(), "rb");
1159     if (*fp == NULL) {
1160         HiLog::Error(LABEL, "timezone data resource file not exists.");
1161         return 1;
1162     }
1163     png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1164     if (!png_ptr) {
1165         png_destroy_read_struct(&png_ptr, &info_ptr, 0);
1166         CloseFile(*fp);
1167         HiLog::Error(LABEL, "create read_struct failed.");
1168         return 1;
1169     }
1170     info_ptr = png_create_info_struct(png_ptr);
1171     if (!info_ptr) {
1172         png_destroy_read_struct(&png_ptr, &info_ptr, 0);
1173         CloseFile(*fp);
1174         HiLog::Error(LABEL, "create info_struct failed.");
1175         return 1;
1176     }
1177     return 0;
1178 }
1179 
CheckTzDataFilePath(const std::string & filePath)1180 bool I18nTimeZone::CheckTzDataFilePath(const std::string &filePath)
1181 {
1182     char *realpathRes = NULL;
1183     realpathRes = realpath(filePath.c_str(), nullptr);
1184     if (realpathRes == NULL) {
1185         return false;
1186     }
1187     std::ifstream file(filePath.c_str());
1188     if (!file.good()) {
1189         file.close();
1190         free(realpathRes);
1191         return false;
1192     }
1193     file.close();
1194     free(realpathRes);
1195     realpathRes = NULL;
1196     return true;
1197 }
1198 
GetPreferredPath(const double x,const std::vector<std::string> & filePaths)1199 std::string I18nTimeZone::GetPreferredPath(const double x,
1200                                            const std::vector<std::string> &filePaths)
1201 {
1202     if (filePaths.size() == 1) {
1203         return filePaths.at(0);
1204     } else {
1205         int fixedX = (int)(x + TZ_X_PLUS);
1206         for (unsigned int i = 0; i < filePaths.size(); i++) {
1207             std::string path = filePaths.at(i);
1208             std::string left = path.substr(path.find("-") + 1, 3);
1209             std::string right = path.substr(path.find("-") + 4, 3);
1210             if (fixedX >= atoi(left.c_str()) && fixedX < atoi(right.c_str())) {
1211                 return path;
1212             }
1213         }
1214         return "";
1215     }
1216 }
1217 
FindTzData()1218 std::vector<std::string> I18nTimeZone::FindTzData()
1219 {
1220     std::map<std::string, std::vector<std::string>> pathMap;
1221     std::regex reg("tz_[0-9]{7}-(\\d{6})\\.dat");
1222     std::regex regVersion("_[0-9]{7}");
1223     for (auto& entry : recursive_directory_iterator(TZ_PIXEL_PATH)) {
1224         const std::string path = entry.path().string();
1225         std::smatch match;
1226         bool found = std::regex_search(path, match, reg);
1227         if (found) {
1228             bool hasVerison = std::regex_search(path, match, regVersion);
1229             if (hasVerison) {
1230                 std::string version = match[0].str();
1231                 SetVersionPathMap(version, path, &pathMap);
1232             }
1233         }
1234     }
1235     std::vector<std::string> filePaths;
1236     std::map<std::string, std::vector<std::string>>::reverse_iterator iter;
1237     for (iter = pathMap.rbegin(); iter != pathMap.rend(); ++iter) {
1238         if (ValidateDataIntegrity(iter->second)) {
1239             return iter->second;
1240         }
1241     }
1242     return filePaths;
1243 }
1244 
ValidateDataIntegrity(const std::vector<std::string> & pathList)1245 bool I18nTimeZone::ValidateDataIntegrity(const std::vector<std::string> &pathList)
1246 {
1247     size_t total = 0;
1248     for (unsigned int i = 0; i < pathList.size(); i++) {
1249         std::string path = pathList.at(i);
1250         std::string left = path.substr(path.find("-") + 1, 3);
1251         std::string right = path.substr(path.find("-") + 4, 3);
1252         total += abs(atoi(right.c_str()) - atoi(left.c_str()));
1253     }
1254     return total == TZ_X_PLUS * TZ_HALF_OF_SIZE;
1255 }
1256 
SetVersionPathMap(std::string verison,std::string path,std::map<std::string,std::vector<std::string>> * pathMap)1257 void I18nTimeZone::SetVersionPathMap(std::string verison, std::string path,
1258                                      std::map<std::string, std::vector<std::string>> *pathMap)
1259 {
1260     if (pathMap->find(verison) != pathMap->end()) {
1261         std::vector<std::string> *list = &(pathMap->find(verison)->second);
1262         list->push_back(path);
1263     } else {
1264         std::vector<std::string> list;
1265         list.push_back(path);
1266         pathMap->insert(std::pair<std::string, std::vector<std::string>>(verison, list));
1267     }
1268 }
1269 
CloseFile(FILE * fp)1270 void I18nTimeZone::CloseFile(FILE *fp)
1271 {
1272     if (fp != nullptr && fp != NULL) {
1273         fclose(fp);
1274     }
1275 }
1276 
ParamExceedScope(const int x,const int y,int fixedX,int fixedY)1277 bool I18nTimeZone::ParamExceedScope(const int x, const int y, int fixedX, int fixedY)
1278 {
1279     if (x < 0 || y < 0 || fixedX == 0 || fixedY == 0) {
1280         return true;
1281     }
1282     if (x > (fixedX - 1) || y > (fixedY - 1)) {
1283         return true;
1284     }
1285     return false;
1286 }
1287 }
1288 }
1289 }
1290