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1 | // © 2016 and later: Unicode, Inc. and others. |
2 | // License & terms of use: http://www.unicode.org/copyright.html |
3 | /* |
4 | ******************************************************************************* |
5 | * Copyright (C) 1997-2016, International Business Machines Corporation and * |
6 | * others. All Rights Reserved. * |
7 | ******************************************************************************* |
8 | * |
9 | * File SMPDTFMT.CPP |
10 | * |
11 | * Modification History: |
12 | * |
13 | * Date Name Description |
14 | * 02/19/97 aliu Converted from java. |
15 | * 03/31/97 aliu Modified extensively to work with 50 locales. |
16 | * 04/01/97 aliu Added support for centuries. |
17 | * 07/09/97 helena Made ParsePosition into a class. |
18 | * 07/21/98 stephen Added initializeDefaultCentury. |
19 | * Removed getZoneIndex (added in DateFormatSymbols) |
20 | * Removed subParseLong |
21 | * Removed chk |
22 | * 02/22/99 stephen Removed character literals for EBCDIC safety |
23 | * 10/14/99 aliu Updated 2-digit year parsing so that only "00" thru |
24 | * "99" are recognized. {j28 4182066} |
25 | * 11/15/99 weiv Added support for week of year/day of week format |
26 | ******************************************************************************** |
27 | */ |
28 | |
29 | #define ZID_KEY_MAX128 128 |
30 | |
31 | #include "unicode/utypes.h" |
32 | |
33 | #if !UCONFIG_NO_FORMATTING0 |
34 | #include "unicode/smpdtfmt.h" |
35 | #include "unicode/dtfmtsym.h" |
36 | #include "unicode/ures.h" |
37 | #include "unicode/msgfmt.h" |
38 | #include "unicode/calendar.h" |
39 | #include "unicode/gregocal.h" |
40 | #include "unicode/timezone.h" |
41 | #include "unicode/decimfmt.h" |
42 | #include "unicode/dcfmtsym.h" |
43 | #include "unicode/uchar.h" |
44 | #include "unicode/uniset.h" |
45 | #include "unicode/ustring.h" |
46 | #include "unicode/basictz.h" |
47 | #include "unicode/simpleformatter.h" |
48 | #include "unicode/simplenumberformatter.h" |
49 | #include "unicode/simpletz.h" |
50 | #include "unicode/rbtz.h" |
51 | #include "unicode/tzfmt.h" |
52 | #include "unicode/ucasemap.h" |
53 | #include "unicode/utf16.h" |
54 | #include "unicode/vtzone.h" |
55 | #include "unicode/udisplaycontext.h" |
56 | #include "unicode/brkiter.h" |
57 | #include "unicode/rbnf.h" |
58 | #include "unicode/dtptngen.h" |
59 | #include "uresimp.h" |
60 | #include "olsontz.h" |
61 | #include "patternprops.h" |
62 | #include "fphdlimp.h" |
63 | #include "hebrwcal.h" |
64 | #include "cstring.h" |
65 | #include "uassert.h" |
66 | #include "cmemory.h" |
67 | #include "umutex.h" |
68 | #include "mutex.h" |
69 | #include <float.h> |
70 | #include "smpdtfst.h" |
71 | #include "sharednumberformat.h" |
72 | #include "ucasemap_imp.h" |
73 | #include "ustr_imp.h" |
74 | #include "charstr.h" |
75 | #include "uvector.h" |
76 | #include "cstr.h" |
77 | #include "dayperiodrules.h" |
78 | #include "tznames_impl.h" // ZONE_NAME_U16_MAX |
79 | #include "number_utypes.h" |
80 | #include "chnsecal.h" |
81 | #include "dangical.h" |
82 | #include "japancal.h" |
83 | #include <typeinfo> |
84 | |
85 | #if defined( U_DEBUG_CALSVC ) || defined (U_DEBUG_CAL) |
86 | #include <stdio.h> |
87 | #endif |
88 | |
89 | // ***************************************************************************** |
90 | // class SimpleDateFormat |
91 | // ***************************************************************************** |
92 | |
93 | U_NAMESPACE_BEGINnamespace icu_77 { |
94 | |
95 | /** |
96 | * Last-resort string to use for "GMT" when constructing time zone strings. |
97 | */ |
98 | // For time zones that have no names, use strings GMT+minutes and |
99 | // GMT-minutes. For instance, in France the time zone is GMT+60. |
100 | // Also accepted are GMT+H:MM or GMT-H:MM. |
101 | // Currently not being used |
102 | //static const char16_t gGmt[] = {0x0047, 0x004D, 0x0054, 0x0000}; // "GMT" |
103 | //static const char16_t gGmtPlus[] = {0x0047, 0x004D, 0x0054, 0x002B, 0x0000}; // "GMT+" |
104 | //static const char16_t gGmtMinus[] = {0x0047, 0x004D, 0x0054, 0x002D, 0x0000}; // "GMT-" |
105 | //static const char16_t gDefGmtPat[] = {0x0047, 0x004D, 0x0054, 0x007B, 0x0030, 0x007D, 0x0000}; /* GMT{0} */ |
106 | //static const char16_t gDefGmtNegHmsPat[] = {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}; /* -HH:mm:ss */ |
107 | //static const char16_t gDefGmtNegHmPat[] = {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000}; /* -HH:mm */ |
108 | //static const char16_t gDefGmtPosHmsPat[] = {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}; /* +HH:mm:ss */ |
109 | //static const char16_t gDefGmtPosHmPat[] = {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000}; /* +HH:mm */ |
110 | //static const char16_t gUt[] = {0x0055, 0x0054, 0x0000}; // "UT" |
111 | //static const char16_t gUtc[] = {0x0055, 0x0054, 0x0043, 0x0000}; // "UT" |
112 | |
113 | typedef enum GmtPatSize { |
114 | kGmtLen = 3, |
115 | kGmtPatLen = 6, |
116 | kNegHmsLen = 9, |
117 | kNegHmLen = 6, |
118 | kPosHmsLen = 9, |
119 | kPosHmLen = 6, |
120 | kUtLen = 2, |
121 | kUtcLen = 3 |
122 | } GmtPatSize; |
123 | |
124 | // Stuff needed for numbering system overrides |
125 | |
126 | typedef enum OvrStrType { |
127 | kOvrStrDate = 0, |
128 | kOvrStrTime = 1, |
129 | kOvrStrBoth = 2 |
130 | } OvrStrType; |
131 | |
132 | static const UDateFormatField kDateFields[] = { |
133 | UDAT_YEAR_FIELD, |
134 | UDAT_MONTH_FIELD, |
135 | UDAT_DATE_FIELD, |
136 | UDAT_DAY_OF_YEAR_FIELD, |
137 | UDAT_DAY_OF_WEEK_IN_MONTH_FIELD, |
138 | UDAT_WEEK_OF_YEAR_FIELD, |
139 | UDAT_WEEK_OF_MONTH_FIELD, |
140 | UDAT_YEAR_WOY_FIELD, |
141 | UDAT_EXTENDED_YEAR_FIELD, |
142 | UDAT_JULIAN_DAY_FIELD, |
143 | UDAT_STANDALONE_DAY_FIELD, |
144 | UDAT_STANDALONE_MONTH_FIELD, |
145 | UDAT_QUARTER_FIELD, |
146 | UDAT_STANDALONE_QUARTER_FIELD, |
147 | UDAT_YEAR_NAME_FIELD, |
148 | UDAT_RELATED_YEAR_FIELD }; |
149 | static const int8_t kDateFieldsCount = 16; |
150 | |
151 | static const UDateFormatField kTimeFields[] = { |
152 | UDAT_HOUR_OF_DAY1_FIELD, |
153 | UDAT_HOUR_OF_DAY0_FIELD, |
154 | UDAT_MINUTE_FIELD, |
155 | UDAT_SECOND_FIELD, |
156 | UDAT_FRACTIONAL_SECOND_FIELD, |
157 | UDAT_HOUR1_FIELD, |
158 | UDAT_HOUR0_FIELD, |
159 | UDAT_MILLISECONDS_IN_DAY_FIELD, |
160 | UDAT_TIMEZONE_RFC_FIELD, |
161 | UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD }; |
162 | static const int8_t kTimeFieldsCount = 10; |
163 | |
164 | |
165 | // This is a pattern-of-last-resort used when we can't load a usable pattern out |
166 | // of a resource. |
167 | static const char16_t gDefaultPattern[] = |
168 | { |
169 | 0x79, 0x4D, 0x4D, 0x64, 0x64, 0x20, 0x68, 0x68, 0x3A, 0x6D, 0x6D, 0x20, 0x61, 0 |
170 | }; /* "yMMdd hh:mm a" */ |
171 | |
172 | // This prefix is designed to NEVER MATCH real text, in order to |
173 | // suppress the parsing of negative numbers. Adjust as needed (if |
174 | // this becomes valid Unicode). |
175 | static const char16_t SUPPRESS_NEGATIVE_PREFIX[] = {0xAB00, 0}; |
176 | |
177 | /** |
178 | * These are the tags we expect to see in normal resource bundle files associated |
179 | * with a locale. |
180 | */ |
181 | static const char16_t QUOTE = 0x27; // Single quote |
182 | |
183 | /* |
184 | * The field range check bias for each UDateFormatField. |
185 | * The bias is added to the minimum and maximum values |
186 | * before they are compared to the parsed number. |
187 | * For example, the calendar stores zero-based month numbers |
188 | * but the parsed month numbers start at 1, so the bias is 1. |
189 | * |
190 | * A value of -1 means that the value is not checked. |
191 | */ |
192 | static const int32_t gFieldRangeBias[] = { |
193 | -1, // 'G' - UDAT_ERA_FIELD |
194 | -1, // 'y' - UDAT_YEAR_FIELD |
195 | 1, // 'M' - UDAT_MONTH_FIELD |
196 | 0, // 'd' - UDAT_DATE_FIELD |
197 | -1, // 'k' - UDAT_HOUR_OF_DAY1_FIELD |
198 | -1, // 'H' - UDAT_HOUR_OF_DAY0_FIELD |
199 | 0, // 'm' - UDAT_MINUTE_FIELD |
200 | 0, // 's' - UDAT_SECOND_FIELD |
201 | -1, // 'S' - UDAT_FRACTIONAL_SECOND_FIELD (0-999?) |
202 | -1, // 'E' - UDAT_DAY_OF_WEEK_FIELD (1-7?) |
203 | -1, // 'D' - UDAT_DAY_OF_YEAR_FIELD (1 - 366?) |
204 | -1, // 'F' - UDAT_DAY_OF_WEEK_IN_MONTH_FIELD (1-5?) |
205 | -1, // 'w' - UDAT_WEEK_OF_YEAR_FIELD (1-52?) |
206 | -1, // 'W' - UDAT_WEEK_OF_MONTH_FIELD (1-5?) |
207 | -1, // 'a' - UDAT_AM_PM_FIELD |
208 | -1, // 'h' - UDAT_HOUR1_FIELD |
209 | -1, // 'K' - UDAT_HOUR0_FIELD |
210 | -1, // 'z' - UDAT_TIMEZONE_FIELD |
211 | -1, // 'Y' - UDAT_YEAR_WOY_FIELD |
212 | -1, // 'e' - UDAT_DOW_LOCAL_FIELD |
213 | -1, // 'u' - UDAT_EXTENDED_YEAR_FIELD |
214 | -1, // 'g' - UDAT_JULIAN_DAY_FIELD |
215 | -1, // 'A' - UDAT_MILLISECONDS_IN_DAY_FIELD |
216 | -1, // 'Z' - UDAT_TIMEZONE_RFC_FIELD |
217 | -1, // 'v' - UDAT_TIMEZONE_GENERIC_FIELD |
218 | 0, // 'c' - UDAT_STANDALONE_DAY_FIELD |
219 | 1, // 'L' - UDAT_STANDALONE_MONTH_FIELD |
220 | -1, // 'Q' - UDAT_QUARTER_FIELD (1-4?) |
221 | -1, // 'q' - UDAT_STANDALONE_QUARTER_FIELD |
222 | -1, // 'V' - UDAT_TIMEZONE_SPECIAL_FIELD |
223 | -1, // 'U' - UDAT_YEAR_NAME_FIELD |
224 | -1, // 'O' - UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD |
225 | -1, // 'X' - UDAT_TIMEZONE_ISO_FIELD |
226 | -1, // 'x' - UDAT_TIMEZONE_ISO_LOCAL_FIELD |
227 | -1, // 'r' - UDAT_RELATED_YEAR_FIELD |
228 | #if UDAT_HAS_PATTERN_CHAR_FOR_TIME_SEPARATOR0 |
229 | -1, // ':' - UDAT_TIME_SEPARATOR_FIELD |
230 | #else |
231 | -1, // (no pattern character currently) - UDAT_TIME_SEPARATOR_FIELD |
232 | #endif |
233 | }; |
234 | |
235 | // When calendar uses hebr numbering (i.e. he@calendar=hebrew), |
236 | // offset the years within the current millennium down to 1-999 |
237 | static const int32_t HEBREW_CAL_CUR_MILLENIUM_START_YEAR = 5000; |
238 | static const int32_t HEBREW_CAL_CUR_MILLENIUM_END_YEAR = 6000; |
239 | |
240 | /** |
241 | * Maximum range for detecting daylight offset of a time zone when parsed time zone |
242 | * string indicates it's daylight saving time, but the detected time zone does not |
243 | * observe daylight saving time at the parsed date. |
244 | */ |
245 | static const double MAX_DAYLIGHT_DETECTION_RANGE = 30*365*24*60*60*1000.0; |
246 | |
247 | static UMutex LOCK; |
248 | |
249 | UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SimpleDateFormat)UClassID SimpleDateFormat::getStaticClassID() { static char classID = 0; return (UClassID)&classID; } UClassID SimpleDateFormat ::getDynamicClassID() const { return SimpleDateFormat::getStaticClassID (); } |
250 | |
251 | SimpleDateFormat::NSOverride::~NSOverride() { |
252 | if (snf != nullptr) { |
253 | snf->removeRef(); |
254 | } |
255 | } |
256 | |
257 | |
258 | void SimpleDateFormat::NSOverride::free() { |
259 | NSOverride *cur = this; |
260 | while (cur) { |
261 | NSOverride *next_temp = cur->next; |
262 | delete cur; |
263 | cur = next_temp; |
264 | } |
265 | } |
266 | |
267 | // no matter what the locale's default number format looked like, we want |
268 | // to modify it so that it doesn't use thousands separators, doesn't always |
269 | // show the decimal point, and recognizes integers only when parsing |
270 | static void fixNumberFormatForDates(NumberFormat &nf) { |
271 | nf.setGroupingUsed(false); |
272 | DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(&nf); |
273 | if (decfmt != nullptr) { |
274 | decfmt->setDecimalSeparatorAlwaysShown(false); |
275 | } |
276 | nf.setParseIntegerOnly(true); |
277 | nf.setMinimumFractionDigits(0); // To prevent "Jan 1.00, 1997.00" |
278 | } |
279 | |
280 | static const SharedNumberFormat *createSharedNumberFormat( |
281 | NumberFormat *nfToAdopt) { |
282 | fixNumberFormatForDates(*nfToAdopt); |
283 | const SharedNumberFormat *result = new SharedNumberFormat(nfToAdopt); |
284 | if (result == nullptr) { |
285 | delete nfToAdopt; |
286 | } |
287 | return result; |
288 | } |
289 | |
290 | static const SharedNumberFormat *createSharedNumberFormat( |
291 | const Locale &loc, UErrorCode &status) { |
292 | NumberFormat *nf = NumberFormat::createInstance(loc, status); |
293 | if (U_FAILURE(status)) { |
294 | return nullptr; |
295 | } |
296 | const SharedNumberFormat *result = createSharedNumberFormat(nf); |
297 | if (result == nullptr) { |
298 | status = U_MEMORY_ALLOCATION_ERROR; |
299 | } |
300 | return result; |
301 | } |
302 | |
303 | static const SharedNumberFormat **allocSharedNumberFormatters() { |
304 | const SharedNumberFormat** result = static_cast<const SharedNumberFormat**>( |
305 | uprv_mallocuprv_malloc_77(UDAT_FIELD_COUNT * sizeof(const SharedNumberFormat*))); |
306 | if (result == nullptr) { |
307 | return nullptr; |
308 | } |
309 | for (int32_t i = 0; i < UDAT_FIELD_COUNT; ++i) { |
310 | result[i] = nullptr; |
311 | } |
312 | return result; |
313 | } |
314 | |
315 | static void freeSharedNumberFormatters(const SharedNumberFormat ** list) { |
316 | for (int32_t i = 0; i < UDAT_FIELD_COUNT; ++i) { |
317 | SharedObject::clearPtr(list[i]); |
318 | } |
319 | uprv_freeuprv_free_77(list); |
320 | } |
321 | |
322 | const NumberFormat *SimpleDateFormat::getNumberFormatByIndex( |
323 | UDateFormatField index) const { |
324 | if (fSharedNumberFormatters == nullptr || |
325 | fSharedNumberFormatters[index] == nullptr) { |
326 | return fNumberFormat; |
327 | } |
328 | return &(**fSharedNumberFormatters[index]); |
329 | } |
330 | |
331 | //---------------------------------------------------------------------- |
332 | |
333 | SimpleDateFormat::~SimpleDateFormat() |
334 | { |
335 | delete fSymbols; |
336 | if (fSharedNumberFormatters) { |
337 | freeSharedNumberFormatters(fSharedNumberFormatters); |
338 | } |
339 | delete fTimeZoneFormat; |
340 | delete fSimpleNumberFormatter; |
341 | |
342 | #if !UCONFIG_NO_BREAK_ITERATION1 |
343 | delete fCapitalizationBrkIter; |
344 | #endif |
345 | } |
346 | |
347 | //---------------------------------------------------------------------- |
348 | |
349 | SimpleDateFormat::SimpleDateFormat(UErrorCode& status) |
350 | : fLocale(Locale::getDefault()) |
351 | { |
352 | initializeBooleanAttributes(); |
353 | construct(kShort, static_cast<EStyle>(kShort + kDateOffset), fLocale, status); |
354 | initializeDefaultCentury(); |
355 | } |
356 | |
357 | //---------------------------------------------------------------------- |
358 | |
359 | SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, |
360 | UErrorCode &status) |
361 | : fPattern(pattern), |
362 | fLocale(Locale::getDefault()) |
363 | { |
364 | fDateOverride.setToBogus(); |
365 | fTimeOverride.setToBogus(); |
366 | initializeBooleanAttributes(); |
367 | initializeCalendar(nullptr,fLocale,status); |
368 | fSymbols = DateFormatSymbols::createForLocale(fLocale, status); |
369 | initialize(fLocale, status); |
370 | initializeDefaultCentury(); |
371 | |
372 | } |
373 | //---------------------------------------------------------------------- |
374 | |
375 | SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, |
376 | const UnicodeString& override, |
377 | UErrorCode &status) |
378 | : fPattern(pattern), |
379 | fLocale(Locale::getDefault()) |
380 | { |
381 | fDateOverride.setTo(override); |
382 | fTimeOverride.setToBogus(); |
383 | initializeBooleanAttributes(); |
384 | initializeCalendar(nullptr,fLocale,status); |
385 | fSymbols = DateFormatSymbols::createForLocale(fLocale, status); |
386 | initialize(fLocale, status); |
387 | initializeDefaultCentury(); |
388 | |
389 | processOverrideString(fLocale,override,kOvrStrBoth,status); |
390 | |
391 | } |
392 | |
393 | //---------------------------------------------------------------------- |
394 | |
395 | SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, |
396 | const Locale& locale, |
397 | UErrorCode& status) |
398 | : fPattern(pattern), |
399 | fLocale(locale) |
400 | { |
401 | |
402 | fDateOverride.setToBogus(); |
403 | fTimeOverride.setToBogus(); |
404 | initializeBooleanAttributes(); |
405 | |
406 | initializeCalendar(nullptr,fLocale,status); |
407 | fSymbols = DateFormatSymbols::createForLocale(fLocale, status); |
408 | initialize(fLocale, status); |
409 | initializeDefaultCentury(); |
410 | } |
411 | |
412 | //---------------------------------------------------------------------- |
413 | |
414 | SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, |
415 | const UnicodeString& override, |
416 | const Locale& locale, |
417 | UErrorCode& status) |
418 | : fPattern(pattern), |
419 | fLocale(locale) |
420 | { |
421 | |
422 | fDateOverride.setTo(override); |
423 | fTimeOverride.setToBogus(); |
424 | initializeBooleanAttributes(); |
425 | |
426 | initializeCalendar(nullptr,fLocale,status); |
427 | fSymbols = DateFormatSymbols::createForLocale(fLocale, status); |
428 | initialize(fLocale, status); |
429 | initializeDefaultCentury(); |
430 | |
431 | processOverrideString(locale,override,kOvrStrBoth,status); |
432 | |
433 | } |
434 | |
435 | //---------------------------------------------------------------------- |
436 | |
437 | SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, |
438 | DateFormatSymbols* symbolsToAdopt, |
439 | UErrorCode& status) |
440 | : fPattern(pattern), |
441 | fLocale(Locale::getDefault()), |
442 | fSymbols(symbolsToAdopt) |
443 | { |
444 | |
445 | fDateOverride.setToBogus(); |
446 | fTimeOverride.setToBogus(); |
447 | initializeBooleanAttributes(); |
448 | |
449 | initializeCalendar(nullptr,fLocale,status); |
450 | initialize(fLocale, status); |
451 | initializeDefaultCentury(); |
452 | } |
453 | |
454 | //---------------------------------------------------------------------- |
455 | |
456 | SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern, |
457 | const DateFormatSymbols& symbols, |
458 | UErrorCode& status) |
459 | : fPattern(pattern), |
460 | fLocale(Locale::getDefault()), |
461 | fSymbols(new DateFormatSymbols(symbols)) |
462 | { |
463 | |
464 | fDateOverride.setToBogus(); |
465 | fTimeOverride.setToBogus(); |
466 | initializeBooleanAttributes(); |
467 | |
468 | initializeCalendar(nullptr, fLocale, status); |
469 | initialize(fLocale, status); |
470 | initializeDefaultCentury(); |
471 | } |
472 | |
473 | //---------------------------------------------------------------------- |
474 | |
475 | // Not for public consumption; used by DateFormat |
476 | SimpleDateFormat::SimpleDateFormat(EStyle timeStyle, |
477 | EStyle dateStyle, |
478 | const Locale& locale, |
479 | UErrorCode& status) |
480 | : fLocale(locale) |
481 | { |
482 | initializeBooleanAttributes(); |
483 | construct(timeStyle, dateStyle, fLocale, status); |
484 | if(U_SUCCESS(status)) { |
485 | initializeDefaultCentury(); |
486 | } |
487 | } |
488 | |
489 | //---------------------------------------------------------------------- |
490 | |
491 | /** |
492 | * Not for public consumption; used by DateFormat. This constructor |
493 | * never fails. If the resource data is not available, it uses the |
494 | * the last resort symbols. |
495 | */ |
496 | SimpleDateFormat::SimpleDateFormat(const Locale& locale, |
497 | UErrorCode& status) |
498 | : fPattern(gDefaultPattern), |
499 | fLocale(locale) |
500 | { |
501 | if (U_FAILURE(status)) return; |
502 | initializeBooleanAttributes(); |
503 | initializeCalendar(nullptr, fLocale, status); |
504 | fSymbols = DateFormatSymbols::createForLocale(fLocale, status); |
505 | if (U_FAILURE(status)) |
506 | { |
507 | status = U_ZERO_ERROR; |
508 | delete fSymbols; |
509 | // This constructor doesn't fail; it uses last resort data |
510 | fSymbols = new DateFormatSymbols(status); |
511 | /* test for nullptr */ |
512 | if (fSymbols == nullptr) { |
513 | status = U_MEMORY_ALLOCATION_ERROR; |
514 | return; |
515 | } |
516 | } |
517 | |
518 | fDateOverride.setToBogus(); |
519 | fTimeOverride.setToBogus(); |
520 | |
521 | initialize(fLocale, status); |
522 | if(U_SUCCESS(status)) { |
523 | initializeDefaultCentury(); |
524 | } |
525 | } |
526 | |
527 | //---------------------------------------------------------------------- |
528 | |
529 | SimpleDateFormat::SimpleDateFormat(const SimpleDateFormat& other) |
530 | : DateFormat(other), |
531 | fLocale(other.fLocale) |
532 | { |
533 | initializeBooleanAttributes(); |
534 | *this = other; |
535 | } |
536 | |
537 | //---------------------------------------------------------------------- |
538 | |
539 | SimpleDateFormat& SimpleDateFormat::operator=(const SimpleDateFormat& other) |
540 | { |
541 | if (this == &other) { |
542 | return *this; |
543 | } |
544 | |
545 | // fSimpleNumberFormatter references fNumberFormatter, delete it |
546 | // before we call the = operator which may invalidate fNumberFormatter |
547 | delete fSimpleNumberFormatter; |
548 | fSimpleNumberFormatter = nullptr; |
549 | |
550 | DateFormat::operator=(other); |
551 | fDateOverride = other.fDateOverride; |
552 | fTimeOverride = other.fTimeOverride; |
553 | |
554 | delete fSymbols; |
555 | fSymbols = nullptr; |
556 | |
557 | if (other.fSymbols) |
558 | fSymbols = new DateFormatSymbols(*other.fSymbols); |
559 | |
560 | fDefaultCenturyStart = other.fDefaultCenturyStart; |
561 | fDefaultCenturyStartYear = other.fDefaultCenturyStartYear; |
562 | fHaveDefaultCentury = other.fHaveDefaultCentury; |
563 | |
564 | fPattern = other.fPattern; |
565 | fHasMinute = other.fHasMinute; |
566 | fHasSecond = other.fHasSecond; |
567 | |
568 | fLocale = other.fLocale; |
569 | |
570 | // TimeZoneFormat can now be set independently via setter. |
571 | // If it is nullptr, it will be lazily initialized from locale. |
572 | delete fTimeZoneFormat; |
573 | fTimeZoneFormat = nullptr; |
574 | TimeZoneFormat *otherTZFormat; |
575 | { |
576 | // Synchronization is required here, when accessing other.fTimeZoneFormat, |
577 | // because another thread may be concurrently executing other.tzFormat(), |
578 | // a logically const function that lazily creates other.fTimeZoneFormat. |
579 | // |
580 | // Without synchronization, reordered memory writes could allow us |
581 | // to see a non-null fTimeZoneFormat before the object itself was |
582 | // fully initialized. In case of a race, it doesn't matter whether |
583 | // we see a null or a fully initialized other.fTimeZoneFormat, |
584 | // only that we avoid seeing a partially initialized object. |
585 | // |
586 | // Once initialized, no const function can modify fTimeZoneFormat, |
587 | // meaning that once we have safely grabbed the other.fTimeZoneFormat |
588 | // pointer, continued synchronization is not required to use it. |
589 | Mutex m(&LOCK); |
590 | otherTZFormat = other.fTimeZoneFormat; |
591 | } |
592 | if (otherTZFormat) { |
593 | fTimeZoneFormat = new TimeZoneFormat(*otherTZFormat); |
594 | } |
595 | |
596 | #if !UCONFIG_NO_BREAK_ITERATION1 |
597 | if (other.fCapitalizationBrkIter != nullptr) { |
598 | fCapitalizationBrkIter = (other.fCapitalizationBrkIter)->clone(); |
599 | } |
600 | #endif |
601 | |
602 | if (fSharedNumberFormatters != nullptr) { |
603 | freeSharedNumberFormatters(fSharedNumberFormatters); |
604 | fSharedNumberFormatters = nullptr; |
605 | } |
606 | if (other.fSharedNumberFormatters != nullptr) { |
607 | fSharedNumberFormatters = allocSharedNumberFormatters(); |
608 | if (fSharedNumberFormatters) { |
609 | for (int32_t i = 0; i < UDAT_FIELD_COUNT; ++i) { |
610 | SharedObject::copyPtr( |
611 | other.fSharedNumberFormatters[i], |
612 | fSharedNumberFormatters[i]); |
613 | } |
614 | } |
615 | } |
616 | |
617 | UErrorCode localStatus = U_ZERO_ERROR; |
618 | // SimpleNumberFormatter does not have a copy constructor. Furthermore, |
619 | // it references data from an internal field, fNumberFormatter, |
620 | // so we must rematerialize that reference after copying over the number formatter. |
621 | initSimpleNumberFormatter(localStatus); |
622 | return *this; |
623 | } |
624 | |
625 | //---------------------------------------------------------------------- |
626 | |
627 | SimpleDateFormat* |
628 | SimpleDateFormat::clone() const |
629 | { |
630 | return new SimpleDateFormat(*this); |
631 | } |
632 | |
633 | //---------------------------------------------------------------------- |
634 | |
635 | bool |
636 | SimpleDateFormat::operator==(const Format& other) const |
637 | { |
638 | if (DateFormat::operator==(other)) { |
639 | // The DateFormat::operator== check for fCapitalizationContext equality above |
640 | // is sufficient to check equality of all derived context-related data. |
641 | // DateFormat::operator== guarantees following cast is safe |
642 | SimpleDateFormat* that = (SimpleDateFormat*)&other; |
643 | return (fPattern == that->fPattern && |
644 | fSymbols != nullptr && // Check for pathological object |
645 | that->fSymbols != nullptr && // Check for pathological object |
646 | *fSymbols == *that->fSymbols && |
647 | fHaveDefaultCentury == that->fHaveDefaultCentury && |
648 | fDefaultCenturyStart == that->fDefaultCenturyStart); |
649 | } |
650 | return false; |
651 | } |
652 | |
653 | //---------------------------------------------------------------------- |
654 | static const char16_t* timeSkeletons[4] = { |
655 | u"jmmsszzzz", // kFull |
656 | u"jmmssz", // kLong |
657 | u"jmmss", // kMedium |
658 | u"jmm", // kShort |
659 | }; |
660 | |
661 | void SimpleDateFormat::construct(EStyle timeStyle, |
662 | EStyle dateStyle, |
663 | const Locale& locale, |
664 | UErrorCode& status) |
665 | { |
666 | // called by several constructors to load pattern data from the resources |
667 | if (U_FAILURE(status)) return; |
668 | |
669 | // We will need the calendar to know what type of symbols to load. |
670 | initializeCalendar(nullptr, locale, status); |
671 | if (U_FAILURE(status)) return; |
672 | |
673 | // Load date time patterns directly from resources. |
674 | const char* cType = fCalendar ? fCalendar->getType() : nullptr; |
675 | LocalUResourceBundlePointer bundle(ures_openures_open_77(nullptr, locale.getBaseName(), &status)); |
676 | if (U_FAILURE(status)) return; |
677 | |
678 | UBool cTypeIsGregorian = true; |
679 | LocalUResourceBundlePointer dateTimePatterns; |
680 | if (cType != nullptr && uprv_strcmp(cType, "gregorian"):: strcmp(cType, "gregorian") != 0) { |
681 | CharString resourcePath("calendar/", status); |
682 | resourcePath.append(cType, status).append("/DateTimePatterns", status); |
683 | dateTimePatterns.adoptInstead( |
684 | ures_getByKeyWithFallbackures_getByKeyWithFallback_77(bundle.getAlias(), resourcePath.data(), |
685 | (UResourceBundle*)nullptr, &status)); |
686 | cTypeIsGregorian = false; |
687 | } |
688 | |
689 | // Check for "gregorian" fallback. |
690 | if (cTypeIsGregorian || status == U_MISSING_RESOURCE_ERROR) { |
691 | status = U_ZERO_ERROR; |
692 | dateTimePatterns.adoptInstead( |
693 | ures_getByKeyWithFallbackures_getByKeyWithFallback_77(bundle.getAlias(), |
694 | "calendar/gregorian/DateTimePatterns", |
695 | (UResourceBundle*)nullptr, &status)); |
696 | } |
697 | if (U_FAILURE(status)) return; |
698 | |
699 | LocalUResourceBundlePointer currentBundle; |
700 | |
701 | if (ures_getSizeures_getSize_77(dateTimePatterns.getAlias()) <= kDateTime) |
702 | { |
703 | status = U_INVALID_FORMAT_ERROR; |
704 | return; |
705 | } |
706 | |
707 | setLocaleIDs(ures_getLocaleByTypeures_getLocaleByType_77(dateTimePatterns.getAlias(), ULOC_VALID_LOCALE, &status), |
708 | ures_getLocaleByTypeures_getLocaleByType_77(dateTimePatterns.getAlias(), ULOC_ACTUAL_LOCALE, &status)); |
709 | |
710 | // create a symbols object from the locale |
711 | fSymbols = DateFormatSymbols::createForLocale(locale, status); |
712 | if (U_FAILURE(status)) return; |
713 | /* test for nullptr */ |
714 | if (fSymbols == nullptr) { |
715 | status = U_MEMORY_ALLOCATION_ERROR; |
716 | return; |
717 | } |
718 | |
719 | const char16_t *resStr,*ovrStr; |
720 | int32_t resStrLen,ovrStrLen = 0; |
721 | fDateOverride.setToBogus(); |
722 | fTimeOverride.setToBogus(); |
723 | |
724 | UnicodeString timePattern; |
725 | if (timeStyle >= kFull && timeStyle <= kShort) { |
726 | bool hasRgOrHcSubtag = false; |
727 | // also use DTPG if the locale has the "rg" or "hc" ("hours") subtag-- even if the overriding region |
728 | // or hour cycle is the same as the one we get by default, we go through the DateTimePatternGenerator |
729 | UErrorCode dummyErr1 = U_ZERO_ERROR, dummyErr2 = U_ZERO_ERROR; |
730 | if (locale.getKeywordValue("rg", nullptr, 0, dummyErr1) > 0 || locale.getKeywordValue("hours", nullptr, 0, dummyErr2) > 0) { |
731 | hasRgOrHcSubtag = true; |
732 | } |
733 | |
734 | const char* baseLocID = locale.getBaseName(); |
735 | if (baseLocID != nullptr && uprv_strcmp(baseLocID,"und"):: strcmp(baseLocID, "und")!=0) { |
736 | UErrorCode useStatus = U_ZERO_ERROR; |
737 | Locale baseLoc(baseLocID); |
738 | Locale validLoc(getLocale(ULOC_VALID_LOCALE, useStatus)); |
739 | if (hasRgOrHcSubtag || (U_SUCCESS(useStatus) && validLoc!=baseLoc)) { |
740 | bool useDTPG = hasRgOrHcSubtag; |
741 | const char* baseReg = baseLoc.getCountry(); // empty string if no region |
742 | if ((baseReg != nullptr && baseReg[0] != 0 && |
743 | uprv_strncmp(baseReg,validLoc.getCountry(),ULOC_COUNTRY_CAPACITY):: strncmp(baseReg, validLoc.getCountry(), 4)!=0) |
744 | || uprv_strncmp(baseLoc.getLanguage(),validLoc.getLanguage(),ULOC_LANG_CAPACITY):: strncmp(baseLoc.getLanguage(), validLoc.getLanguage(), 12)!=0) { |
745 | // use DTPG if |
746 | // * baseLoc has a region and validLoc does not have the same one (or has none), OR |
747 | // * validLoc has a different language code than baseLoc |
748 | // * the original locale has the rg or hc subtag |
749 | useDTPG = true; |
750 | } |
751 | if (useDTPG) { |
752 | // The standard time formats may have the wrong time cycle, because: |
753 | // the valid locale differs in important ways (region, language) from |
754 | // the base locale. |
755 | // We could *also* check whether they do actually have a mismatch with |
756 | // the time cycle preferences for the region, but that is a lot more |
757 | // work for little or no additional benefit, since just going ahead |
758 | // and always synthesizing the time format as per the following should |
759 | // create a locale-appropriate pattern with cycle that matches the |
760 | // region preferences anyway. |
761 | LocalPointer<DateTimePatternGenerator> dtpg(DateTimePatternGenerator::createInstanceNoStdPat(locale, useStatus)); |
762 | if (U_SUCCESS(useStatus)) { |
763 | UnicodeString timeSkeleton(true, timeSkeletons[timeStyle], -1); |
764 | timePattern = dtpg->getBestPattern(timeSkeleton, useStatus); |
765 | } |
766 | } |
767 | } |
768 | } |
769 | } |
770 | |
771 | // if the pattern should include both date and time information, use the date/time |
772 | // pattern string as a guide to tell use how to glue together the appropriate date |
773 | // and time pattern strings. |
774 | if ((timeStyle != kNone) && (dateStyle != kNone)) |
775 | { |
776 | UnicodeString tempus1(timePattern); |
777 | if (tempus1.length() == 0) { |
778 | currentBundle.adoptInstead( |
779 | ures_getByIndexures_getByIndex_77(dateTimePatterns.getAlias(), static_cast<int32_t>(timeStyle), nullptr, &status)); |
780 | if (U_FAILURE(status)) { |
781 | status = U_INVALID_FORMAT_ERROR; |
782 | return; |
783 | } |
784 | switch (ures_getTypeures_getType_77(currentBundle.getAlias())) { |
785 | case URES_STRING: { |
786 | resStr = ures_getStringures_getString_77(currentBundle.getAlias(), &resStrLen, &status); |
787 | break; |
788 | } |
789 | case URES_ARRAY: { |
790 | resStr = ures_getStringByIndexures_getStringByIndex_77(currentBundle.getAlias(), 0, &resStrLen, &status); |
791 | ovrStr = ures_getStringByIndexures_getStringByIndex_77(currentBundle.getAlias(), 1, &ovrStrLen, &status); |
792 | fTimeOverride.setTo(true, ovrStr, ovrStrLen); |
793 | break; |
794 | } |
795 | default: { |
796 | status = U_INVALID_FORMAT_ERROR; |
797 | return; |
798 | } |
799 | } |
800 | |
801 | tempus1.setTo(true, resStr, resStrLen); |
802 | } |
803 | |
804 | currentBundle.adoptInstead( |
805 | ures_getByIndexures_getByIndex_77(dateTimePatterns.getAlias(), static_cast<int32_t>(dateStyle), nullptr, &status)); |
806 | if (U_FAILURE(status)) { |
807 | status = U_INVALID_FORMAT_ERROR; |
808 | return; |
809 | } |
810 | switch (ures_getTypeures_getType_77(currentBundle.getAlias())) { |
811 | case URES_STRING: { |
812 | resStr = ures_getStringures_getString_77(currentBundle.getAlias(), &resStrLen, &status); |
813 | break; |
814 | } |
815 | case URES_ARRAY: { |
816 | resStr = ures_getStringByIndexures_getStringByIndex_77(currentBundle.getAlias(), 0, &resStrLen, &status); |
817 | ovrStr = ures_getStringByIndexures_getStringByIndex_77(currentBundle.getAlias(), 1, &ovrStrLen, &status); |
818 | fDateOverride.setTo(true, ovrStr, ovrStrLen); |
819 | break; |
820 | } |
821 | default: { |
822 | status = U_INVALID_FORMAT_ERROR; |
823 | return; |
824 | } |
825 | } |
826 | |
827 | UnicodeString tempus2(true, resStr, resStrLen); |
828 | |
829 | // Currently, for compatibility with pre-CLDR-42 data, we default to the "atTime" |
830 | // combining patterns. Depending on guidance in CLDR 42 spec and on DisplayOptions, |
831 | // we may change this. |
832 | LocalUResourceBundlePointer dateAtTimePatterns; |
833 | if (!cTypeIsGregorian) { |
834 | CharString resourcePath("calendar/", status); |
835 | resourcePath.append(cType, status).append("/DateTimePatterns%atTime", status); |
836 | dateAtTimePatterns.adoptInstead( |
837 | ures_getByKeyWithFallbackures_getByKeyWithFallback_77(bundle.getAlias(), resourcePath.data(), |
838 | nullptr, &status)); |
839 | } |
840 | if (cTypeIsGregorian || status == U_MISSING_RESOURCE_ERROR) { |
841 | status = U_ZERO_ERROR; |
842 | dateAtTimePatterns.adoptInstead( |
843 | ures_getByKeyWithFallbackures_getByKeyWithFallback_77(bundle.getAlias(), |
844 | "calendar/gregorian/DateTimePatterns%atTime", |
845 | nullptr, &status)); |
846 | } |
847 | if (U_SUCCESS(status) && ures_getSizeures_getSize_77(dateAtTimePatterns.getAlias()) >= 4) { |
848 | resStr = ures_getStringByIndexures_getStringByIndex_77(dateAtTimePatterns.getAlias(), dateStyle - kDateOffset, &resStrLen, &status); |
849 | } else { |
850 | status = U_ZERO_ERROR; |
851 | int32_t glueIndex = kDateTime; |
852 | int32_t patternsSize = ures_getSizeures_getSize_77(dateTimePatterns.getAlias()); |
853 | if (patternsSize >= (kDateTimeOffset + kShort + 1)) { |
854 | // Get proper date time format |
855 | glueIndex = static_cast<int32_t>(kDateTimeOffset + (dateStyle - kDateOffset)); |
856 | } |
857 | |
858 | resStr = ures_getStringByIndexures_getStringByIndex_77(dateTimePatterns.getAlias(), glueIndex, &resStrLen, &status); |
859 | } |
860 | SimpleFormatter(UnicodeString(true, resStr, resStrLen), 2, 2, status). |
861 | format(tempus1, tempus2, fPattern, status); |
862 | } |
863 | // if the pattern includes just time data or just date date, load the appropriate |
864 | // pattern string from the resources |
865 | // setTo() - see DateFormatSymbols::assignArray comments |
866 | else if (timeStyle != kNone) { |
867 | fPattern.setTo(timePattern); |
868 | if (fPattern.length() == 0) { |
869 | currentBundle.adoptInstead( |
870 | ures_getByIndexures_getByIndex_77(dateTimePatterns.getAlias(), static_cast<int32_t>(timeStyle), nullptr, &status)); |
871 | if (U_FAILURE(status)) { |
872 | status = U_INVALID_FORMAT_ERROR; |
873 | return; |
874 | } |
875 | switch (ures_getTypeures_getType_77(currentBundle.getAlias())) { |
876 | case URES_STRING: { |
877 | resStr = ures_getStringures_getString_77(currentBundle.getAlias(), &resStrLen, &status); |
878 | break; |
879 | } |
880 | case URES_ARRAY: { |
881 | resStr = ures_getStringByIndexures_getStringByIndex_77(currentBundle.getAlias(), 0, &resStrLen, &status); |
882 | ovrStr = ures_getStringByIndexures_getStringByIndex_77(currentBundle.getAlias(), 1, &ovrStrLen, &status); |
883 | fDateOverride.setTo(true, ovrStr, ovrStrLen); |
884 | break; |
885 | } |
886 | default: { |
887 | status = U_INVALID_FORMAT_ERROR; |
888 | return; |
889 | } |
890 | } |
891 | fPattern.setTo(true, resStr, resStrLen); |
892 | } |
893 | } |
894 | else if (dateStyle != kNone) { |
895 | currentBundle.adoptInstead( |
896 | ures_getByIndexures_getByIndex_77(dateTimePatterns.getAlias(), static_cast<int32_t>(dateStyle), nullptr, &status)); |
897 | if (U_FAILURE(status)) { |
898 | status = U_INVALID_FORMAT_ERROR; |
899 | return; |
900 | } |
901 | switch (ures_getTypeures_getType_77(currentBundle.getAlias())) { |
902 | case URES_STRING: { |
903 | resStr = ures_getStringures_getString_77(currentBundle.getAlias(), &resStrLen, &status); |
904 | break; |
905 | } |
906 | case URES_ARRAY: { |
907 | resStr = ures_getStringByIndexures_getStringByIndex_77(currentBundle.getAlias(), 0, &resStrLen, &status); |
908 | ovrStr = ures_getStringByIndexures_getStringByIndex_77(currentBundle.getAlias(), 1, &ovrStrLen, &status); |
909 | fDateOverride.setTo(true, ovrStr, ovrStrLen); |
910 | break; |
911 | } |
912 | default: { |
913 | status = U_INVALID_FORMAT_ERROR; |
914 | return; |
915 | } |
916 | } |
917 | fPattern.setTo(true, resStr, resStrLen); |
918 | } |
919 | |
920 | // and if it includes _neither_, that's an error |
921 | else |
922 | status = U_INVALID_FORMAT_ERROR; |
923 | |
924 | // finally, finish initializing by creating a Calendar and a NumberFormat |
925 | initialize(locale, status); |
926 | } |
927 | |
928 | //---------------------------------------------------------------------- |
929 | |
930 | Calendar* |
931 | SimpleDateFormat::initializeCalendar(TimeZone* adoptZone, const Locale& locale, UErrorCode& status) |
932 | { |
933 | if(!U_FAILURE(status)) { |
934 | fCalendar = Calendar::createInstance( |
935 | adoptZone ? adoptZone : TimeZone::forLocaleOrDefault(locale), locale, status); |
936 | } |
937 | return fCalendar; |
938 | } |
939 | |
940 | void |
941 | SimpleDateFormat::initialize(const Locale& locale, |
942 | UErrorCode& status) |
943 | { |
944 | if (U_FAILURE(status)) return; |
945 | |
946 | parsePattern(); // Need this before initNumberFormatters(), to set fHasHanYearChar |
947 | |
948 | // Simple-minded hack to force Gannen year numbering for ja@calendar=japanese |
949 | // if format is non-numeric (includes 年) and fDateOverride is not already specified. |
950 | // Now this does get updated if applyPattern subsequently changes the pattern type. |
951 | if (fDateOverride.isBogus() && fHasHanYearChar && |
952 | fCalendar != nullptr && |
953 | typeid(*fCalendar) == typeid(JapaneseCalendar) && |
954 | uprv_strcmp(fLocale.getLanguage(),"ja"):: strcmp(fLocale.getLanguage(), "ja") == 0) { |
955 | fDateOverride.setTo(u"y=jpanyear", -1); |
956 | } |
957 | |
958 | // We don't need to check that the row count is >= 1, since all 2d arrays have at |
959 | // least one row |
960 | fNumberFormat = NumberFormat::createInstance(locale, status); |
961 | if (fNumberFormat != nullptr && U_SUCCESS(status)) |
962 | { |
963 | fixNumberFormatForDates(*fNumberFormat); |
964 | //fNumberFormat->setLenient(true); // Java uses a custom DateNumberFormat to format/parse |
965 | |
966 | initNumberFormatters(locale, status); |
967 | initSimpleNumberFormatter(status); |
968 | |
969 | } |
970 | else if (U_SUCCESS(status)) |
971 | { |
972 | status = U_MISSING_RESOURCE_ERROR; |
973 | } |
974 | } |
975 | |
976 | /* Initialize the fields we use to disambiguate ambiguous years. Separate |
977 | * so we can call it from readObject(). |
978 | */ |
979 | void SimpleDateFormat::initializeDefaultCentury() |
980 | { |
981 | if(fCalendar) { |
982 | fHaveDefaultCentury = fCalendar->haveDefaultCentury(); |
983 | if(fHaveDefaultCentury) { |
984 | fDefaultCenturyStart = fCalendar->defaultCenturyStart(); |
985 | fDefaultCenturyStartYear = fCalendar->defaultCenturyStartYear(); |
986 | } else { |
987 | fDefaultCenturyStart = DBL_MIN2.2250738585072014e-308; |
988 | fDefaultCenturyStartYear = -1; |
989 | } |
990 | } |
991 | } |
992 | |
993 | /* |
994 | * Initialize the boolean attributes. Separate so we can call it from all constructors. |
995 | */ |
996 | void SimpleDateFormat::initializeBooleanAttributes() |
997 | { |
998 | UErrorCode status = U_ZERO_ERROR; |
999 | |
1000 | setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, true, status); |
1001 | setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, true, status); |
1002 | setBooleanAttribute(UDAT_PARSE_PARTIAL_LITERAL_MATCH, true, status); |
1003 | setBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, true, status); |
1004 | } |
1005 | |
1006 | /* Define one-century window into which to disambiguate dates using |
1007 | * two-digit years. Make public in JDK 1.2. |
1008 | */ |
1009 | void SimpleDateFormat::parseAmbiguousDatesAsAfter(UDate startDate, UErrorCode& status) |
1010 | { |
1011 | if(U_FAILURE(status)) { |
1012 | return; |
1013 | } |
1014 | if(!fCalendar) { |
1015 | status = U_ILLEGAL_ARGUMENT_ERROR; |
1016 | return; |
1017 | } |
1018 | |
1019 | fCalendar->setTime(startDate, status); |
1020 | if(U_SUCCESS(status)) { |
1021 | fHaveDefaultCentury = true; |
1022 | fDefaultCenturyStart = startDate; |
1023 | fDefaultCenturyStartYear = fCalendar->get(UCAL_YEAR, status); |
1024 | } |
1025 | } |
1026 | |
1027 | //---------------------------------------------------------------------- |
1028 | |
1029 | UnicodeString& |
1030 | SimpleDateFormat::format(Calendar& cal, UnicodeString& appendTo, FieldPosition& pos) const |
1031 | { |
1032 | UErrorCode status = U_ZERO_ERROR; |
1033 | FieldPositionOnlyHandler handler(pos); |
1034 | return _format(cal, appendTo, handler, status); |
1035 | } |
1036 | |
1037 | //---------------------------------------------------------------------- |
1038 | |
1039 | UnicodeString& |
1040 | SimpleDateFormat::format(Calendar& cal, UnicodeString& appendTo, |
1041 | FieldPositionIterator* posIter, UErrorCode& status) const |
1042 | { |
1043 | FieldPositionIteratorHandler handler(posIter, status); |
1044 | return _format(cal, appendTo, handler, status); |
1045 | } |
1046 | |
1047 | //---------------------------------------------------------------------- |
1048 | |
1049 | UnicodeString& |
1050 | SimpleDateFormat::_format(Calendar& cal, UnicodeString& appendTo, |
1051 | FieldPositionHandler& handler, UErrorCode& status) const |
1052 | { |
1053 | if ( U_FAILURE(status) ) { |
1054 | return appendTo; |
1055 | } |
1056 | Calendar* workCal = &cal; |
1057 | Calendar* calClone = nullptr; |
1058 | if (&cal != fCalendar && typeid(cal) != typeid(*fCalendar)) { |
1059 | // Different calendar type |
1060 | // We use the time and time zone from the input calendar, but |
1061 | // do not use the input calendar for field calculation. |
1062 | calClone = fCalendar->clone(); |
1063 | if (calClone != nullptr) { |
1064 | UDate t = cal.getTime(status); |
1065 | calClone->setTime(t, status); |
1066 | calClone->setTimeZone(cal.getTimeZone()); |
1067 | workCal = calClone; |
1068 | } else { |
1069 | status = U_MEMORY_ALLOCATION_ERROR; |
1070 | return appendTo; |
1071 | } |
1072 | } |
1073 | |
1074 | UBool inQuote = false; |
1075 | char16_t prevCh = 0; |
1076 | int32_t count = 0; |
1077 | int32_t fieldNum = 0; |
1078 | UDisplayContext capitalizationContext = getContext(UDISPCTX_TYPE_CAPITALIZATION, status); |
1079 | |
1080 | // loop through the pattern string character by character |
1081 | int32_t patternLength = fPattern.length(); |
1082 | for (int32_t i = 0; i < patternLength && U_SUCCESS(status); ++i) { |
1083 | char16_t ch = fPattern[i]; |
1084 | |
1085 | // Use subFormat() to format a repeated pattern character |
1086 | // when a different pattern or non-pattern character is seen |
1087 | if (ch != prevCh && count > 0) { |
1088 | subFormat(appendTo, prevCh, count, capitalizationContext, fieldNum++, |
1089 | prevCh, handler, *workCal, status); |
1090 | count = 0; |
1091 | } |
1092 | if (ch == QUOTE) { |
1093 | // Consecutive single quotes are a single quote literal, |
1094 | // either outside of quotes or between quotes |
1095 | if ((i+1) < patternLength && fPattern[i+1] == QUOTE) { |
1096 | appendTo += QUOTE; |
1097 | ++i; |
1098 | } else { |
1099 | inQuote = ! inQuote; |
1100 | } |
1101 | } |
1102 | else if (!inQuote && isSyntaxChar(ch)) { |
1103 | // ch is a date-time pattern character to be interpreted |
1104 | // by subFormat(); count the number of times it is repeated |
1105 | prevCh = ch; |
1106 | ++count; |
1107 | } |
1108 | else { |
1109 | // Append quoted characters and unquoted non-pattern characters |
1110 | appendTo += ch; |
1111 | } |
1112 | } |
1113 | |
1114 | // Format the last item in the pattern, if any |
1115 | if (count > 0) { |
1116 | subFormat(appendTo, prevCh, count, capitalizationContext, fieldNum++, |
1117 | prevCh, handler, *workCal, status); |
1118 | } |
1119 | |
1120 | delete calClone; |
1121 | |
1122 | return appendTo; |
1123 | } |
1124 | |
1125 | //---------------------------------------------------------------------- |
1126 | |
1127 | /* Map calendar field into calendar field level. |
1128 | * the larger the level, the smaller the field unit. |
1129 | * For example, UCAL_ERA level is 0, UCAL_YEAR level is 10, |
1130 | * UCAL_MONTH level is 20. |
1131 | * NOTE: if new fields adds in, the table needs to update. |
1132 | */ |
1133 | const int32_t |
1134 | SimpleDateFormat::fgCalendarFieldToLevel[] = |
1135 | { |
1136 | /*GyM*/ 0, 10, 20, |
1137 | /*wW*/ 20, 30, |
1138 | /*dDEF*/ 30, 20, 30, 30, |
1139 | /*ahHm*/ 40, 50, 50, 60, |
1140 | /*sS*/ 70, 80, |
1141 | /*z?Y*/ 0, 0, 10, |
1142 | /*eug*/ 30, 10, 0, |
1143 | /*A?.*/ 40, 0, 0 |
1144 | }; |
1145 | |
1146 | int32_t SimpleDateFormat::getLevelFromChar(char16_t ch) { |
1147 | // Map date field LETTER into calendar field level. |
1148 | // the larger the level, the smaller the field unit. |
1149 | // NOTE: if new fields adds in, the table needs to update. |
1150 | static const int32_t mapCharToLevel[] = { |
1151 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
1152 | // |
1153 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
1154 | // ! " # $ % & ' ( ) * + , - . / |
1155 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
1156 | #if UDAT_HAS_PATTERN_CHAR_FOR_TIME_SEPARATOR0 |
1157 | // 0 1 2 3 4 5 6 7 8 9 : ; < = > ? |
1158 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, -1, -1, -1, -1, -1, |
1159 | #else |
1160 | // 0 1 2 3 4 5 6 7 8 9 : ; < = > ? |
1161 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
1162 | #endif |
1163 | // @ A B C D E F G H I J K L M N O |
1164 | -1, 40, -1, -1, 20, 30, 30, 0, 50, -1, -1, 50, 20, 20, -1, 0, |
1165 | // P Q R S T U V W X Y Z [ \ ] ^ _ |
1166 | -1, 20, -1, 80, -1, 10, 0, 30, 0, 10, 0, -1, -1, -1, -1, -1, |
1167 | // ` a b c d e f g h i j k l m n o |
1168 | -1, 40, -1, 30, 30, 30, -1, 0, 50, -1, -1, 50, 0, 60, -1, -1, |
1169 | // p q r s t u v w x y z { | } ~ |
1170 | -1, 20, 10, 70, -1, 10, 0, 20, 0, 10, 0, -1, -1, -1, -1, -1 |
1171 | }; |
1172 | |
1173 | return ch < UPRV_LENGTHOF(mapCharToLevel)(int32_t)(sizeof(mapCharToLevel)/sizeof((mapCharToLevel)[0])) ? mapCharToLevel[ch] : -1; |
1174 | } |
1175 | |
1176 | UBool SimpleDateFormat::isSyntaxChar(char16_t ch) { |
1177 | static const UBool mapCharToIsSyntax[] = { |
1178 | // |
1179 | false, false, false, false, false, false, false, false, |
1180 | // |
1181 | false, false, false, false, false, false, false, false, |
1182 | // |
1183 | false, false, false, false, false, false, false, false, |
1184 | // |
1185 | false, false, false, false, false, false, false, false, |
1186 | // ! " # $ % & ' |
1187 | false, false, false, false, false, false, false, false, |
1188 | // ( ) * + , - . / |
1189 | false, false, false, false, false, false, false, false, |
1190 | // 0 1 2 3 4 5 6 7 |
1191 | false, false, false, false, false, false, false, false, |
1192 | #if UDAT_HAS_PATTERN_CHAR_FOR_TIME_SEPARATOR0 |
1193 | // 8 9 : ; < = > ? |
1194 | false, false, true, false, false, false, false, false, |
1195 | #else |
1196 | // 8 9 : ; < = > ? |
1197 | false, false, false, false, false, false, false, false, |
1198 | #endif |
1199 | // @ A B C D E F G |
1200 | false, true, true, true, true, true, true, true, |
1201 | // H I J K L M N O |
1202 | true, true, true, true, true, true, true, true, |
1203 | // P Q R S T U V W |
1204 | true, true, true, true, true, true, true, true, |
1205 | // X Y Z [ \ ] ^ _ |
1206 | true, true, true, false, false, false, false, false, |
1207 | // ` a b c d e f g |
1208 | false, true, true, true, true, true, true, true, |
1209 | // h i j k l m n o |
1210 | true, true, true, true, true, true, true, true, |
1211 | // p q r s t u v w |
1212 | true, true, true, true, true, true, true, true, |
1213 | // x y z { | } ~ |
1214 | true, true, true, false, false, false, false, false |
1215 | }; |
1216 | |
1217 | return ch < UPRV_LENGTHOF(mapCharToIsSyntax)(int32_t)(sizeof(mapCharToIsSyntax)/sizeof((mapCharToIsSyntax )[0])) ? mapCharToIsSyntax[ch] : false; |
1218 | } |
1219 | |
1220 | // Map index into pattern character string to Calendar field number. |
1221 | const UCalendarDateFields |
1222 | SimpleDateFormat::fgPatternIndexToCalendarField[] = |
1223 | { |
1224 | /*GyM*/ UCAL_ERA, UCAL_YEAR, UCAL_MONTH, |
1225 | /*dkH*/ UCAL_DATE, UCAL_HOUR_OF_DAY, UCAL_HOUR_OF_DAY, |
1226 | /*msS*/ UCAL_MINUTE, UCAL_SECOND, UCAL_MILLISECOND, |
1227 | /*EDF*/ UCAL_DAY_OF_WEEK, UCAL_DAY_OF_YEAR, UCAL_DAY_OF_WEEK_IN_MONTH, |
1228 | /*wWa*/ UCAL_WEEK_OF_YEAR, UCAL_WEEK_OF_MONTH, UCAL_AM_PM, |
1229 | /*hKz*/ UCAL_HOUR, UCAL_HOUR, UCAL_ZONE_OFFSET, |
1230 | /*Yeu*/ UCAL_YEAR_WOY, UCAL_DOW_LOCAL, UCAL_EXTENDED_YEAR, |
1231 | /*gAZ*/ UCAL_JULIAN_DAY, UCAL_MILLISECONDS_IN_DAY, UCAL_ZONE_OFFSET, |
1232 | /*v*/ UCAL_ZONE_OFFSET, |
1233 | /*c*/ UCAL_DOW_LOCAL, |
1234 | /*L*/ UCAL_MONTH, |
1235 | /*Q*/ UCAL_MONTH, |
1236 | /*q*/ UCAL_MONTH, |
1237 | /*V*/ UCAL_ZONE_OFFSET, |
1238 | /*U*/ UCAL_YEAR, |
1239 | /*O*/ UCAL_ZONE_OFFSET, |
1240 | /*Xx*/ UCAL_ZONE_OFFSET, UCAL_ZONE_OFFSET, |
1241 | /*r*/ UCAL_EXTENDED_YEAR, |
1242 | /*bB*/ UCAL_FIELD_COUNT, UCAL_FIELD_COUNT, // no mappings to calendar fields |
1243 | #if UDAT_HAS_PATTERN_CHAR_FOR_TIME_SEPARATOR0 |
1244 | /*:*/ UCAL_FIELD_COUNT, /* => no useful mapping to any calendar field */ |
1245 | #else |
1246 | /*no pattern char for UDAT_TIME_SEPARATOR_FIELD*/ UCAL_FIELD_COUNT, /* => no useful mapping to any calendar field */ |
1247 | #endif |
1248 | }; |
1249 | |
1250 | // Map index into pattern character string to DateFormat field number |
1251 | const UDateFormatField |
1252 | SimpleDateFormat::fgPatternIndexToDateFormatField[] = { |
1253 | /*GyM*/ UDAT_ERA_FIELD, UDAT_YEAR_FIELD, UDAT_MONTH_FIELD, |
1254 | /*dkH*/ UDAT_DATE_FIELD, UDAT_HOUR_OF_DAY1_FIELD, UDAT_HOUR_OF_DAY0_FIELD, |
1255 | /*msS*/ UDAT_MINUTE_FIELD, UDAT_SECOND_FIELD, UDAT_FRACTIONAL_SECOND_FIELD, |
1256 | /*EDF*/ UDAT_DAY_OF_WEEK_FIELD, UDAT_DAY_OF_YEAR_FIELD, UDAT_DAY_OF_WEEK_IN_MONTH_FIELD, |
1257 | /*wWa*/ UDAT_WEEK_OF_YEAR_FIELD, UDAT_WEEK_OF_MONTH_FIELD, UDAT_AM_PM_FIELD, |
1258 | /*hKz*/ UDAT_HOUR1_FIELD, UDAT_HOUR0_FIELD, UDAT_TIMEZONE_FIELD, |
1259 | /*Yeu*/ UDAT_YEAR_WOY_FIELD, UDAT_DOW_LOCAL_FIELD, UDAT_EXTENDED_YEAR_FIELD, |
1260 | /*gAZ*/ UDAT_JULIAN_DAY_FIELD, UDAT_MILLISECONDS_IN_DAY_FIELD, UDAT_TIMEZONE_RFC_FIELD, |
1261 | /*v*/ UDAT_TIMEZONE_GENERIC_FIELD, |
1262 | /*c*/ UDAT_STANDALONE_DAY_FIELD, |
1263 | /*L*/ UDAT_STANDALONE_MONTH_FIELD, |
1264 | /*Q*/ UDAT_QUARTER_FIELD, |
1265 | /*q*/ UDAT_STANDALONE_QUARTER_FIELD, |
1266 | /*V*/ UDAT_TIMEZONE_SPECIAL_FIELD, |
1267 | /*U*/ UDAT_YEAR_NAME_FIELD, |
1268 | /*O*/ UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD, |
1269 | /*Xx*/ UDAT_TIMEZONE_ISO_FIELD, UDAT_TIMEZONE_ISO_LOCAL_FIELD, |
1270 | /*r*/ UDAT_RELATED_YEAR_FIELD, |
1271 | /*bB*/ UDAT_AM_PM_MIDNIGHT_NOON_FIELD, UDAT_FLEXIBLE_DAY_PERIOD_FIELD, |
1272 | #if UDAT_HAS_PATTERN_CHAR_FOR_TIME_SEPARATOR0 |
1273 | /*:*/ UDAT_TIME_SEPARATOR_FIELD, |
1274 | #else |
1275 | /*no pattern char for UDAT_TIME_SEPARATOR_FIELD*/ UDAT_TIME_SEPARATOR_FIELD, |
1276 | #endif |
1277 | }; |
1278 | |
1279 | //---------------------------------------------------------------------- |
1280 | |
1281 | /** |
1282 | * Append symbols[value] to dst. Make sure the array index is not out |
1283 | * of bounds. |
1284 | */ |
1285 | static inline void |
1286 | _appendSymbol(UnicodeString& dst, |
1287 | int32_t value, |
1288 | const UnicodeString* symbols, |
1289 | int32_t symbolsCount) { |
1290 | U_ASSERT(0 <= value && value < symbolsCount)(static_cast <bool> (0 <= value && value < symbolsCount) ? void (0) : __assert_fail ("0 <= value && value < symbolsCount" , __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__ )); |
1291 | if (0 <= value && value < symbolsCount) { |
1292 | dst += symbols[value]; |
1293 | } |
1294 | } |
1295 | |
1296 | static inline void |
1297 | _appendSymbolWithMonthPattern(UnicodeString& dst, int32_t value, const UnicodeString* symbols, int32_t symbolsCount, |
1298 | const UnicodeString* monthPattern, UErrorCode& status) { |
1299 | U_ASSERT(0 <= value && value < symbolsCount)(static_cast <bool> (0 <= value && value < symbolsCount) ? void (0) : __assert_fail ("0 <= value && value < symbolsCount" , __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__ )); |
1300 | if (0 <= value && value < symbolsCount) { |
1301 | if (monthPattern == nullptr) { |
1302 | dst += symbols[value]; |
1303 | } else { |
1304 | SimpleFormatter(*monthPattern, 1, 1, status).format(symbols[value], dst, status); |
1305 | } |
1306 | } |
1307 | } |
1308 | |
1309 | //---------------------------------------------------------------------- |
1310 | |
1311 | void |
1312 | SimpleDateFormat::initSimpleNumberFormatter(UErrorCode &status) { |
1313 | if (U_FAILURE(status)) { |
1314 | return; |
1315 | } |
1316 | const auto* df = dynamic_cast<const DecimalFormat*>(fNumberFormat); |
1317 | if (df == nullptr) { |
1318 | return; |
1319 | } |
1320 | const DecimalFormatSymbols* syms = df->getDecimalFormatSymbols(); |
1321 | if (syms == nullptr) { |
1322 | return; |
1323 | } |
1324 | fSimpleNumberFormatter = new number::SimpleNumberFormatter( |
1325 | number::SimpleNumberFormatter::forLocaleAndSymbolsAndGroupingStrategy( |
1326 | fLocale, *syms, UNUM_GROUPING_OFF, status |
1327 | ) |
1328 | ); |
1329 | if (fSimpleNumberFormatter == nullptr) { |
1330 | status = U_MEMORY_ALLOCATION_ERROR; |
1331 | } |
1332 | } |
1333 | |
1334 | void |
1335 | SimpleDateFormat::initNumberFormatters(const Locale &locale,UErrorCode &status) { |
1336 | if (U_FAILURE(status)) { |
1337 | return; |
1338 | } |
1339 | if ( fDateOverride.isBogus() && fTimeOverride.isBogus() ) { |
1340 | return; |
1341 | } |
1342 | umtx_lockumtx_lock_77(&LOCK); |
1343 | if (fSharedNumberFormatters == nullptr) { |
1344 | fSharedNumberFormatters = allocSharedNumberFormatters(); |
1345 | if (fSharedNumberFormatters == nullptr) { |
1346 | status = U_MEMORY_ALLOCATION_ERROR; |
1347 | } |
1348 | } |
1349 | umtx_unlockumtx_unlock_77(&LOCK); |
1350 | |
1351 | if (U_FAILURE(status)) { |
1352 | return; |
1353 | } |
1354 | |
1355 | processOverrideString(locale,fDateOverride,kOvrStrDate,status); |
1356 | processOverrideString(locale,fTimeOverride,kOvrStrTime,status); |
1357 | } |
1358 | |
1359 | void |
1360 | SimpleDateFormat::processOverrideString(const Locale &locale, const UnicodeString &str, int8_t type, UErrorCode &status) { |
1361 | if (str.isBogus() || U_FAILURE(status)) { |
1362 | return; |
1363 | } |
1364 | |
1365 | int32_t start = 0; |
1366 | int32_t len; |
1367 | UnicodeString nsName; |
1368 | UnicodeString ovrField; |
1369 | UBool moreToProcess = true; |
1370 | NSOverride *overrideList = nullptr; |
1371 | |
1372 | while (moreToProcess) { |
1373 | int32_t delimiterPosition = str.indexOf(static_cast<char16_t>(ULOC_KEYWORD_ITEM_SEPARATOR_UNICODE0x3B), start); |
1374 | if (delimiterPosition == -1) { |
1375 | moreToProcess = false; |
1376 | len = str.length() - start; |
1377 | } else { |
1378 | len = delimiterPosition - start; |
1379 | } |
1380 | UnicodeString currentString(str,start,len); |
1381 | int32_t equalSignPosition = currentString.indexOf(static_cast<char16_t>(ULOC_KEYWORD_ASSIGN_UNICODE0x3D), 0); |
1382 | if (equalSignPosition == -1) { // Simple override string such as "hebrew" |
1383 | nsName.setTo(currentString); |
1384 | ovrField.setToBogus(); |
1385 | } else { // Field specific override string such as "y=hebrew" |
1386 | nsName.setTo(currentString,equalSignPosition+1); |
1387 | ovrField.setTo(currentString,0,1); // We just need the first character. |
1388 | } |
1389 | |
1390 | int32_t nsNameHash = nsName.hashCode(); |
1391 | // See if the numbering system is in the override list, if not, then add it. |
1392 | NSOverride *curr = overrideList; |
1393 | const SharedNumberFormat *snf = nullptr; |
1394 | UBool found = false; |
1395 | while ( curr && !found ) { |
1396 | if ( curr->hash == nsNameHash ) { |
1397 | snf = curr->snf; |
1398 | found = true; |
1399 | } |
1400 | curr = curr->next; |
1401 | } |
1402 | |
1403 | if (!found) { |
1404 | LocalPointer<NSOverride> cur(new NSOverride); |
1405 | if (!cur.isNull()) { |
1406 | char kw[ULOC_KEYWORD_AND_VALUES_CAPACITY100]; |
1407 | uprv_strcpy(kw,"numbers="):: strcpy(kw, "numbers="); |
1408 | nsName.extract(0,len,kw+8,ULOC_KEYWORD_AND_VALUES_CAPACITY100-8,US_INVicu::UnicodeString::kInvariant); |
1409 | |
1410 | Locale ovrLoc(locale.getLanguage(),locale.getCountry(),locale.getVariant(),kw); |
1411 | cur->hash = nsNameHash; |
1412 | cur->next = overrideList; |
1413 | SharedObject::copyPtr( |
1414 | createSharedNumberFormat(ovrLoc, status), cur->snf); |
1415 | if (U_FAILURE(status)) { |
1416 | if (overrideList) { |
1417 | overrideList->free(); |
1418 | } |
1419 | return; |
1420 | } |
1421 | snf = cur->snf; |
1422 | overrideList = cur.orphan(); |
1423 | } else { |
1424 | status = U_MEMORY_ALLOCATION_ERROR; |
1425 | if (overrideList) { |
1426 | overrideList->free(); |
1427 | } |
1428 | return; |
1429 | } |
1430 | } |
1431 | |
1432 | // Now that we have an appropriate number formatter, fill in the appropriate spaces in the |
1433 | // number formatters table. |
1434 | if (ovrField.isBogus()) { |
1435 | switch (type) { |
1436 | case kOvrStrDate: |
1437 | case kOvrStrBoth: { |
1438 | for ( int8_t i=0 ; i<kDateFieldsCount; i++ ) { |
1439 | SharedObject::copyPtr(snf, fSharedNumberFormatters[kDateFields[i]]); |
1440 | } |
1441 | if (type==kOvrStrDate) { |
1442 | break; |
1443 | } |
1444 | U_FALLTHROUGH[[clang::fallthrough]]; |
1445 | } |
1446 | case kOvrStrTime : { |
1447 | for ( int8_t i=0 ; i<kTimeFieldsCount; i++ ) { |
1448 | SharedObject::copyPtr(snf, fSharedNumberFormatters[kTimeFields[i]]); |
1449 | } |
1450 | break; |
1451 | } |
1452 | } |
1453 | } else { |
1454 | // if the pattern character is unrecognized, signal an error and bail out |
1455 | UDateFormatField patternCharIndex = |
1456 | DateFormatSymbols::getPatternCharIndex(ovrField.charAt(0)); |
1457 | if (patternCharIndex == UDAT_FIELD_COUNT) { |
1458 | status = U_INVALID_FORMAT_ERROR; |
1459 | if (overrideList) { |
1460 | overrideList->free(); |
1461 | } |
1462 | return; |
1463 | } |
1464 | SharedObject::copyPtr(snf, fSharedNumberFormatters[patternCharIndex]); |
1465 | } |
1466 | |
1467 | start = delimiterPosition + 1; |
1468 | } |
1469 | if (overrideList) { |
1470 | overrideList->free(); |
1471 | } |
1472 | } |
1473 | |
1474 | //--------------------------------------------------------------------- |
1475 | void |
1476 | SimpleDateFormat::subFormat(UnicodeString &appendTo, |
1477 | char16_t ch, |
1478 | int32_t count, |
1479 | UDisplayContext capitalizationContext, |
1480 | int32_t fieldNum, |
1481 | char16_t fieldToOutput, |
1482 | FieldPositionHandler& handler, |
1483 | Calendar& cal, |
1484 | UErrorCode& status) const |
1485 | { |
1486 | static const int32_t maxIntCount = 10; |
1487 | static const UnicodeString hebr(u"hebr"); |
1488 | |
1489 | if (U_FAILURE(status)) { |
1490 | return; |
1491 | } |
1492 | |
1493 | // this function gets called by format() to produce the appropriate substitution |
1494 | // text for an individual pattern symbol (e.g., "HH" or "yyyy") |
1495 | |
1496 | UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(ch); |
1497 | int32_t beginOffset = appendTo.length(); |
1498 | DateFormatSymbols::ECapitalizationContextUsageType capContextUsageType = DateFormatSymbols::kCapContextUsageOther; |
1499 | |
1500 | // if the pattern character is unrecognized, signal an error and dump out |
1501 | if (patternCharIndex == UDAT_FIELD_COUNT) |
1502 | { |
1503 | if (ch != 0x6C) { // pattern char 'l' (SMALL LETTER L) just gets ignored |
1504 | status = U_INVALID_FORMAT_ERROR; |
1505 | } |
1506 | return; |
1507 | } |
1508 | |
1509 | UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex]; |
1510 | int32_t value = 0; |
1511 | // Don't get value unless it is useful |
1512 | if (field < UCAL_FIELD_COUNT) { |
1513 | value = (patternCharIndex != UDAT_RELATED_YEAR_FIELD)? cal.get(field, status): cal.getRelatedYear(status); |
1514 | if (U_FAILURE(status)) { |
1515 | return; |
1516 | } |
1517 | } |
1518 | |
1519 | const NumberFormat *currentNumberFormat = getNumberFormatByIndex(patternCharIndex); |
1520 | if (currentNumberFormat == nullptr) { |
1521 | status = U_INTERNAL_PROGRAM_ERROR; |
1522 | return; |
1523 | } |
1524 | |
1525 | switch (patternCharIndex) { |
1526 | |
1527 | // for any "G" symbol, write out the appropriate era string |
1528 | // "GGGG" is wide era name, "GGGGG" is narrow era name, anything else is abbreviated name |
1529 | case UDAT_ERA_FIELD: |
1530 | { |
1531 | const char* type = cal.getType(); |
1532 | if (strcmp(type, "chinese") == 0 || |
1533 | strcmp(type, "dangi") == 0) { |
1534 | zeroPaddingNumber(currentNumberFormat,appendTo, value, 1, 9); // as in ICU4J |
1535 | } else { |
1536 | if (count == 5) { |
1537 | _appendSymbol(appendTo, value, fSymbols->fNarrowEras, fSymbols->fNarrowErasCount); |
1538 | capContextUsageType = DateFormatSymbols::kCapContextUsageEraNarrow; |
1539 | } else if (count == 4) { |
1540 | _appendSymbol(appendTo, value, fSymbols->fEraNames, fSymbols->fEraNamesCount); |
1541 | capContextUsageType = DateFormatSymbols::kCapContextUsageEraWide; |
1542 | } else { |
1543 | _appendSymbol(appendTo, value, fSymbols->fEras, fSymbols->fErasCount); |
1544 | capContextUsageType = DateFormatSymbols::kCapContextUsageEraAbbrev; |
1545 | } |
1546 | } |
1547 | } |
1548 | break; |
1549 | |
1550 | case UDAT_YEAR_NAME_FIELD: |
1551 | if (fSymbols->fShortYearNames != nullptr && value <= fSymbols->fShortYearNamesCount) { |
1552 | // the Calendar YEAR field runs 1 through 60 for cyclic years |
1553 | _appendSymbol(appendTo, value - 1, fSymbols->fShortYearNames, fSymbols->fShortYearNamesCount); |
1554 | break; |
1555 | } |
1556 | // else fall through to numeric year handling, do not break here |
1557 | U_FALLTHROUGH[[clang::fallthrough]]; |
1558 | |
1559 | // OLD: for "yyyy", write out the whole year; for "yy", write out the last 2 digits |
1560 | // NEW: UTS#35: |
1561 | //Year y yy yyy yyyy yyyyy |
1562 | //AD 1 1 01 001 0001 00001 |
1563 | //AD 12 12 12 012 0012 00012 |
1564 | //AD 123 123 23 123 0123 00123 |
1565 | //AD 1234 1234 34 1234 1234 01234 |
1566 | //AD 12345 12345 45 12345 12345 12345 |
1567 | case UDAT_YEAR_FIELD: |
1568 | case UDAT_YEAR_WOY_FIELD: |
1569 | if (fDateOverride.compare(hebr)==0 && value>HEBREW_CAL_CUR_MILLENIUM_START_YEAR && value<HEBREW_CAL_CUR_MILLENIUM_END_YEAR) { |
1570 | value-=HEBREW_CAL_CUR_MILLENIUM_START_YEAR; |
1571 | } |
1572 | if(count == 2) |
1573 | zeroPaddingNumber(currentNumberFormat, appendTo, value, 2, 2); |
1574 | else |
1575 | zeroPaddingNumber(currentNumberFormat, appendTo, value, count, maxIntCount); |
1576 | break; |
1577 | |
1578 | // for "MMMM"/"LLLL", write out the whole month name, for "MMM"/"LLL", write out the month |
1579 | // abbreviation, for "M"/"L" or "MM"/"LL", write out the month as a number with the |
1580 | // appropriate number of digits |
1581 | // for "MMMMM"/"LLLLL", use the narrow form |
1582 | case UDAT_MONTH_FIELD: |
1583 | case UDAT_STANDALONE_MONTH_FIELD: |
1584 | if (typeid(cal) == typeid(HebrewCalendar)) { |
1585 | if (HebrewCalendar::isLeapYear(cal.get(UCAL_YEAR,status)) && value == 6 && count >= 3 ) |
1586 | value = 13; // Show alternate form for Adar II in leap years in Hebrew calendar. |
1587 | if (!HebrewCalendar::isLeapYear(cal.get(UCAL_YEAR,status)) && value >= 6 && count < 3 ) |
1588 | value--; // Adjust the month number down 1 in Hebrew non-leap years, i.e. Adar is 6, not 7. |
1589 | } |
1590 | { |
1591 | int32_t isLeapMonth = (fSymbols->fLeapMonthPatterns != nullptr && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount)? |
1592 | cal.get(UCAL_IS_LEAP_MONTH, status): 0; |
1593 | // should consolidate the next section by using arrays of pointers & counts for the right symbols... |
1594 | if (count == 5) { |
1595 | if (patternCharIndex == UDAT_MONTH_FIELD) { |
1596 | _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fNarrowMonths, fSymbols->fNarrowMonthsCount, |
1597 | (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatNarrow]): nullptr, status); |
1598 | } else { |
1599 | _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneNarrowMonths, fSymbols->fStandaloneNarrowMonthsCount, |
1600 | (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneNarrow]): nullptr, status); |
1601 | } |
1602 | capContextUsageType = DateFormatSymbols::kCapContextUsageMonthNarrow; |
1603 | } else if (count == 4) { |
1604 | if (patternCharIndex == UDAT_MONTH_FIELD) { |
1605 | _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fMonths, fSymbols->fMonthsCount, |
1606 | (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatWide]): nullptr, status); |
1607 | capContextUsageType = DateFormatSymbols::kCapContextUsageMonthFormat; |
1608 | } else { |
1609 | _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneMonths, fSymbols->fStandaloneMonthsCount, |
1610 | (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneWide]): nullptr, status); |
1611 | capContextUsageType = DateFormatSymbols::kCapContextUsageMonthStandalone; |
1612 | } |
1613 | } else if (count == 3) { |
1614 | if (patternCharIndex == UDAT_MONTH_FIELD) { |
1615 | _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fShortMonths, fSymbols->fShortMonthsCount, |
1616 | (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatAbbrev]): nullptr, status); |
1617 | capContextUsageType = DateFormatSymbols::kCapContextUsageMonthFormat; |
1618 | } else { |
1619 | _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneShortMonthsCount, |
1620 | (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneAbbrev]): nullptr, status); |
1621 | capContextUsageType = DateFormatSymbols::kCapContextUsageMonthStandalone; |
1622 | } |
1623 | } else { |
1624 | UnicodeString monthNumber; |
1625 | zeroPaddingNumber(currentNumberFormat,monthNumber, value + 1, count, maxIntCount); |
1626 | _appendSymbolWithMonthPattern(appendTo, 0, &monthNumber, 1, |
1627 | (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternNumeric]): nullptr, status); |
1628 | } |
1629 | } |
1630 | break; |
1631 | |
1632 | // for "k" and "kk", write out the hour, adjusting midnight to appear as "24" |
1633 | case UDAT_HOUR_OF_DAY1_FIELD: |
1634 | if (value == 0) |
1635 | zeroPaddingNumber(currentNumberFormat,appendTo, cal.getMaximum(UCAL_HOUR_OF_DAY) + 1, count, maxIntCount); |
1636 | else |
1637 | zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount); |
1638 | break; |
1639 | |
1640 | case UDAT_FRACTIONAL_SECOND_FIELD: |
1641 | // Fractional seconds left-justify |
1642 | { |
1643 | int32_t minDigits = (count > 3) ? 3 : count; |
1644 | if (count == 1) { |
1645 | value /= 100; |
1646 | } else if (count == 2) { |
1647 | value /= 10; |
1648 | } |
1649 | zeroPaddingNumber(currentNumberFormat, appendTo, value, minDigits, maxIntCount); |
1650 | if (count > 3) { |
1651 | zeroPaddingNumber(currentNumberFormat, appendTo, 0, count - 3, maxIntCount); |
1652 | } |
1653 | } |
1654 | break; |
1655 | |
1656 | // for "ee" or "e", use local numeric day-of-the-week |
1657 | // for "EEEEEE" or "eeeeee", write out the short day-of-the-week name |
1658 | // for "EEEEE" or "eeeee", write out the narrow day-of-the-week name |
1659 | // for "EEEE" or "eeee", write out the wide day-of-the-week name |
1660 | // for "EEE" or "EE" or "E" or "eee", write out the abbreviated day-of-the-week name |
1661 | case UDAT_DOW_LOCAL_FIELD: |
1662 | if ( count < 3 ) { |
1663 | zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount); |
1664 | break; |
1665 | } |
1666 | // fall through to EEEEE-EEE handling, but for that we don't want local day-of-week, |
1667 | // we want standard day-of-week, so first fix value to work for EEEEE-EEE. |
1668 | value = cal.get(UCAL_DAY_OF_WEEK, status); |
1669 | if (U_FAILURE(status)) { |
1670 | return; |
1671 | } |
1672 | // fall through, do not break here |
1673 | U_FALLTHROUGH[[clang::fallthrough]]; |
1674 | case UDAT_DAY_OF_WEEK_FIELD: |
1675 | if (count == 5) { |
1676 | _appendSymbol(appendTo, value, fSymbols->fNarrowWeekdays, |
1677 | fSymbols->fNarrowWeekdaysCount); |
1678 | capContextUsageType = DateFormatSymbols::kCapContextUsageDayNarrow; |
1679 | } else if (count == 4) { |
1680 | _appendSymbol(appendTo, value, fSymbols->fWeekdays, |
1681 | fSymbols->fWeekdaysCount); |
1682 | capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat; |
1683 | } else if (count == 6) { |
1684 | _appendSymbol(appendTo, value, fSymbols->fShorterWeekdays, |
1685 | fSymbols->fShorterWeekdaysCount); |
1686 | capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat; |
1687 | } else { |
1688 | _appendSymbol(appendTo, value, fSymbols->fShortWeekdays, |
1689 | fSymbols->fShortWeekdaysCount); |
1690 | capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat; |
1691 | } |
1692 | break; |
1693 | |
1694 | // for "ccc", write out the abbreviated day-of-the-week name |
1695 | // for "cccc", write out the wide day-of-the-week name |
1696 | // for "ccccc", use the narrow day-of-the-week name |
1697 | // for "ccccc", use the short day-of-the-week name |
1698 | case UDAT_STANDALONE_DAY_FIELD: |
1699 | if ( count < 3 ) { |
1700 | zeroPaddingNumber(currentNumberFormat,appendTo, value, 1, maxIntCount); |
1701 | break; |
1702 | } |
1703 | // fall through to alpha DOW handling, but for that we don't want local day-of-week, |
1704 | // we want standard day-of-week, so first fix value. |
1705 | value = cal.get(UCAL_DAY_OF_WEEK, status); |
1706 | if (U_FAILURE(status)) { |
1707 | return; |
1708 | } |
1709 | if (count == 5) { |
1710 | _appendSymbol(appendTo, value, fSymbols->fStandaloneNarrowWeekdays, |
1711 | fSymbols->fStandaloneNarrowWeekdaysCount); |
1712 | capContextUsageType = DateFormatSymbols::kCapContextUsageDayNarrow; |
1713 | } else if (count == 4) { |
1714 | _appendSymbol(appendTo, value, fSymbols->fStandaloneWeekdays, |
1715 | fSymbols->fStandaloneWeekdaysCount); |
1716 | capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone; |
1717 | } else if (count == 6) { |
1718 | _appendSymbol(appendTo, value, fSymbols->fStandaloneShorterWeekdays, |
1719 | fSymbols->fStandaloneShorterWeekdaysCount); |
1720 | capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone; |
1721 | } else { // count == 3 |
1722 | _appendSymbol(appendTo, value, fSymbols->fStandaloneShortWeekdays, |
1723 | fSymbols->fStandaloneShortWeekdaysCount); |
1724 | capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone; |
1725 | } |
1726 | break; |
1727 | |
1728 | // for "a" symbol, write out the whole AM/PM string |
1729 | case UDAT_AM_PM_FIELD: |
1730 | if (count < 5) { |
1731 | _appendSymbol(appendTo, value, fSymbols->fAmPms, |
1732 | fSymbols->fAmPmsCount); |
1733 | } else { |
1734 | _appendSymbol(appendTo, value, fSymbols->fNarrowAmPms, |
1735 | fSymbols->fNarrowAmPmsCount); |
1736 | } |
1737 | break; |
1738 | |
1739 | // if we see pattern character for UDAT_TIME_SEPARATOR_FIELD (none currently defined), |
1740 | // write out the time separator string. Leave support in for future definition. |
1741 | case UDAT_TIME_SEPARATOR_FIELD: |
1742 | { |
1743 | UnicodeString separator; |
1744 | appendTo += fSymbols->getTimeSeparatorString(separator); |
1745 | } |
1746 | break; |
1747 | |
1748 | // for "h" and "hh", write out the hour, adjusting noon and midnight to show up |
1749 | // as "12" |
1750 | case UDAT_HOUR1_FIELD: |
1751 | if (value == 0) |
1752 | zeroPaddingNumber(currentNumberFormat,appendTo, cal.getLeastMaximum(UCAL_HOUR) + 1, count, maxIntCount); |
1753 | else |
1754 | zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount); |
1755 | break; |
1756 | |
1757 | case UDAT_TIMEZONE_FIELD: // 'z' |
1758 | case UDAT_TIMEZONE_RFC_FIELD: // 'Z' |
1759 | case UDAT_TIMEZONE_GENERIC_FIELD: // 'v' |
1760 | case UDAT_TIMEZONE_SPECIAL_FIELD: // 'V' |
1761 | case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD: // 'O' |
1762 | case UDAT_TIMEZONE_ISO_FIELD: // 'X' |
1763 | case UDAT_TIMEZONE_ISO_LOCAL_FIELD: // 'x' |
1764 | { |
1765 | char16_t zsbuf[ZONE_NAME_U16_MAX128]; |
1766 | UnicodeString zoneString(zsbuf, 0, UPRV_LENGTHOF(zsbuf)(int32_t)(sizeof(zsbuf)/sizeof((zsbuf)[0]))); |
1767 | const TimeZone& tz = cal.getTimeZone(); |
1768 | UDate date = cal.getTime(status); |
1769 | const TimeZoneFormat *tzfmt = tzFormat(status); |
1770 | if (U_SUCCESS(status)) { |
1771 | switch (patternCharIndex) { |
1772 | case UDAT_TIMEZONE_FIELD: |
1773 | if (count < 4) { |
1774 | // "z", "zz", "zzz" |
1775 | tzfmt->format(UTZFMT_STYLE_SPECIFIC_SHORT, tz, date, zoneString); |
1776 | capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneShort; |
Value stored to 'capContextUsageType' is never read | |
1777 | } else { |
1778 | // "zzzz" or longer |
1779 | tzfmt->format(UTZFMT_STYLE_SPECIFIC_LONG, tz, date, zoneString); |
1780 | capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneLong; |
1781 | } |
1782 | break; |
1783 | case UDAT_TIMEZONE_RFC_FIELD: |
1784 | if (count < 4) { |
1785 | // "Z" |
1786 | tzfmt->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL, tz, date, zoneString); |
1787 | } else if (count == 5) { |
1788 | // "ZZZZZ" |
1789 | tzfmt->format(UTZFMT_STYLE_ISO_EXTENDED_FULL, tz, date, zoneString); |
1790 | } else { |
1791 | // "ZZ", "ZZZ", "ZZZZ" |
1792 | tzfmt->format(UTZFMT_STYLE_LOCALIZED_GMT, tz, date, zoneString); |
1793 | } |
1794 | break; |
1795 | case UDAT_TIMEZONE_GENERIC_FIELD: |
1796 | if (count == 1) { |
1797 | // "v" |
1798 | tzfmt->format(UTZFMT_STYLE_GENERIC_SHORT, tz, date, zoneString); |
1799 | capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneShort; |
1800 | } else if (count == 4) { |
1801 | // "vvvv" |
1802 | tzfmt->format(UTZFMT_STYLE_GENERIC_LONG, tz, date, zoneString); |
1803 | capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneLong; |
1804 | } |
1805 | break; |
1806 | case UDAT_TIMEZONE_SPECIAL_FIELD: |
1807 | if (count == 1) { |
1808 | // "V" |
1809 | tzfmt->format(UTZFMT_STYLE_ZONE_ID_SHORT, tz, date, zoneString); |
1810 | } else if (count == 2) { |
1811 | // "VV" |
1812 | tzfmt->format(UTZFMT_STYLE_ZONE_ID, tz, date, zoneString); |
1813 | } else if (count == 3) { |
1814 | // "VVV" |
1815 | tzfmt->format(UTZFMT_STYLE_EXEMPLAR_LOCATION, tz, date, zoneString); |
1816 | } else if (count == 4) { |
1817 | // "VVVV" |
1818 | tzfmt->format(UTZFMT_STYLE_GENERIC_LOCATION, tz, date, zoneString); |
1819 | capContextUsageType = DateFormatSymbols::kCapContextUsageZoneLong; |
1820 | } |
1821 | break; |
1822 | case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD: |
1823 | if (count == 1) { |
1824 | // "O" |
1825 | tzfmt->format(UTZFMT_STYLE_LOCALIZED_GMT_SHORT, tz, date, zoneString); |
1826 | } else if (count == 4) { |
1827 | // "OOOO" |
1828 | tzfmt->format(UTZFMT_STYLE_LOCALIZED_GMT, tz, date, zoneString); |
1829 | } |
1830 | break; |
1831 | case UDAT_TIMEZONE_ISO_FIELD: |
1832 | if (count == 1) { |
1833 | // "X" |
1834 | tzfmt->format(UTZFMT_STYLE_ISO_BASIC_SHORT, tz, date, zoneString); |
1835 | } else if (count == 2) { |
1836 | // "XX" |
1837 | tzfmt->format(UTZFMT_STYLE_ISO_BASIC_FIXED, tz, date, zoneString); |
1838 | } else if (count == 3) { |
1839 | // "XXX" |
1840 | tzfmt->format(UTZFMT_STYLE_ISO_EXTENDED_FIXED, tz, date, zoneString); |
1841 | } else if (count == 4) { |
1842 | // "XXXX" |
1843 | tzfmt->format(UTZFMT_STYLE_ISO_BASIC_FULL, tz, date, zoneString); |
1844 | } else if (count == 5) { |
1845 | // "XXXXX" |
1846 | tzfmt->format(UTZFMT_STYLE_ISO_EXTENDED_FULL, tz, date, zoneString); |
1847 | } |
1848 | break; |
1849 | case UDAT_TIMEZONE_ISO_LOCAL_FIELD: |
1850 | if (count == 1) { |
1851 | // "x" |
1852 | tzfmt->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT, tz, date, zoneString); |
1853 | } else if (count == 2) { |
1854 | // "xx" |
1855 | tzfmt->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED, tz, date, zoneString); |
1856 | } else if (count == 3) { |
1857 | // "xxx" |
1858 | tzfmt->format(UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED, tz, date, zoneString); |
1859 | } else if (count == 4) { |
1860 | // "xxxx" |
1861 | tzfmt->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL, tz, date, zoneString); |
1862 | } else if (count == 5) { |
1863 | // "xxxxx" |
1864 | tzfmt->format(UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL, tz, date, zoneString); |
1865 | } |
1866 | break; |
1867 | default: |
1868 | UPRV_UNREACHABLE_EXITabort(); |
1869 | } |
1870 | } |
1871 | appendTo += zoneString; |
1872 | } |
1873 | break; |
1874 | |
1875 | case UDAT_QUARTER_FIELD: |
1876 | if (count >= 5) |
1877 | _appendSymbol(appendTo, value/3, fSymbols->fNarrowQuarters, |
1878 | fSymbols->fNarrowQuartersCount); |
1879 | else if (count == 4) |
1880 | _appendSymbol(appendTo, value/3, fSymbols->fQuarters, |
1881 | fSymbols->fQuartersCount); |
1882 | else if (count == 3) |
1883 | _appendSymbol(appendTo, value/3, fSymbols->fShortQuarters, |
1884 | fSymbols->fShortQuartersCount); |
1885 | else |
1886 | zeroPaddingNumber(currentNumberFormat,appendTo, (value/3) + 1, count, maxIntCount); |
1887 | break; |
1888 | |
1889 | case UDAT_STANDALONE_QUARTER_FIELD: |
1890 | if (count >= 5) |
1891 | _appendSymbol(appendTo, value/3, fSymbols->fStandaloneNarrowQuarters, |
1892 | fSymbols->fStandaloneNarrowQuartersCount); |
1893 | else if (count == 4) |
1894 | _appendSymbol(appendTo, value/3, fSymbols->fStandaloneQuarters, |
1895 | fSymbols->fStandaloneQuartersCount); |
1896 | else if (count == 3) |
1897 | _appendSymbol(appendTo, value/3, fSymbols->fStandaloneShortQuarters, |
1898 | fSymbols->fStandaloneShortQuartersCount); |
1899 | else |
1900 | zeroPaddingNumber(currentNumberFormat,appendTo, (value/3) + 1, count, maxIntCount); |
1901 | break; |
1902 | |
1903 | case UDAT_AM_PM_MIDNIGHT_NOON_FIELD: |
1904 | { |
1905 | const UnicodeString *toAppend = nullptr; |
1906 | int32_t hour = cal.get(UCAL_HOUR_OF_DAY, status); |
1907 | |
1908 | // Note: "midnight" can be ambiguous as to whether it refers to beginning of day or end of day. |
1909 | // For ICU 57 output of "midnight" is temporarily suppressed. |
1910 | |
1911 | // For "midnight" and "noon": |
1912 | // Time, as displayed, must be exactly noon or midnight. |
1913 | // This means minutes and seconds, if present, must be zero. |
1914 | if ((/*hour == 0 ||*/ hour == 12) && |
1915 | (!fHasMinute || cal.get(UCAL_MINUTE, status) == 0) && |
1916 | (!fHasSecond || cal.get(UCAL_SECOND, status) == 0)) { |
1917 | // Stealing am/pm value to use as our array index. |
1918 | // It works out: am/midnight are both 0, pm/noon are both 1, |
1919 | // 12 am is 12 midnight, and 12 pm is 12 noon. |
1920 | int32_t val = cal.get(UCAL_AM_PM, status); |
1921 | |
1922 | if (count <= 3) { |
1923 | toAppend = &fSymbols->fAbbreviatedDayPeriods[val]; |
1924 | } else if (count == 4 || count > 5) { |
1925 | toAppend = &fSymbols->fWideDayPeriods[val]; |
1926 | } else { // count == 5 |
1927 | toAppend = &fSymbols->fNarrowDayPeriods[val]; |
1928 | } |
1929 | } |
1930 | |
1931 | // toAppend is nullptr if time isn't exactly midnight or noon (as displayed). |
1932 | // toAppend is bogus if time is midnight or noon, but no localized string exists. |
1933 | // In either case, fall back to am/pm. |
1934 | if (toAppend == nullptr || toAppend->isBogus()) { |
1935 | // Reformat with identical arguments except ch, now changed to 'a'. |
1936 | // We are passing a different fieldToOutput because we want to add |
1937 | // 'b' to field position. This makes this fallback stable when |
1938 | // there is a data change on locales. |
1939 | subFormat(appendTo, u'a', count, capitalizationContext, fieldNum, u'b', handler, cal, status); |
1940 | return; |
1941 | } else { |
1942 | appendTo += *toAppend; |
1943 | } |
1944 | |
1945 | break; |
1946 | } |
1947 | |
1948 | case UDAT_FLEXIBLE_DAY_PERIOD_FIELD: |
1949 | { |
1950 | // TODO: Maybe fetch the DayperiodRules during initialization (instead of at the first |
1951 | // loading of an instance) if a relevant pattern character (b or B) is used. |
1952 | const DayPeriodRules *ruleSet = DayPeriodRules::getInstance(this->getSmpFmtLocale(), status); |
1953 | if (U_FAILURE(status)) { |
1954 | // Data doesn't conform to spec, therefore loading failed. |
1955 | break; |
1956 | } |
1957 | if (ruleSet == nullptr) { |
1958 | // Data doesn't exist for the locale we're looking for. |
1959 | // Falling back to am/pm. |
1960 | // We are passing a different fieldToOutput because we want to add |
1961 | // 'B' to field position. This makes this fallback stable when |
1962 | // there is a data change on locales. |
1963 | subFormat(appendTo, u'a', count, capitalizationContext, fieldNum, u'B', handler, cal, status); |
1964 | return; |
1965 | } |
1966 | |
1967 | // Get current display time. |
1968 | int32_t hour = cal.get(UCAL_HOUR_OF_DAY, status); |
1969 | int32_t minute = 0; |
1970 | if (fHasMinute) { |
1971 | minute = cal.get(UCAL_MINUTE, status); |
1972 | } |
1973 | int32_t second = 0; |
1974 | if (fHasSecond) { |
1975 | second = cal.get(UCAL_SECOND, status); |
1976 | } |
1977 | |
1978 | // Determine day period. |
1979 | DayPeriodRules::DayPeriod periodType; |
1980 | if (hour == 0 && minute == 0 && second == 0 && ruleSet->hasMidnight()) { |
1981 | periodType = DayPeriodRules::DAYPERIOD_MIDNIGHT; |
1982 | } else if (hour == 12 && minute == 0 && second == 0 && ruleSet->hasNoon()) { |
1983 | periodType = DayPeriodRules::DAYPERIOD_NOON; |
1984 | } else { |
1985 | periodType = ruleSet->getDayPeriodForHour(hour); |
1986 | } |
1987 | |
1988 | // Rule set exists, therefore periodType can't be UNKNOWN. |
1989 | // Get localized string. |
1990 | U_ASSERT(periodType != DayPeriodRules::DAYPERIOD_UNKNOWN)(static_cast <bool> (periodType != DayPeriodRules::DAYPERIOD_UNKNOWN ) ? void (0) : __assert_fail ("periodType != DayPeriodRules::DAYPERIOD_UNKNOWN" , __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__ )); |
1991 | UnicodeString *toAppend = nullptr; |
1992 | int32_t index; |
1993 | |
1994 | // Note: "midnight" can be ambiguous as to whether it refers to beginning of day or end of day. |
1995 | // For ICU 57 output of "midnight" is temporarily suppressed. |
1996 | |
1997 | if (periodType != DayPeriodRules::DAYPERIOD_AM && |
1998 | periodType != DayPeriodRules::DAYPERIOD_PM && |
1999 | periodType != DayPeriodRules::DAYPERIOD_MIDNIGHT) { |
2000 | index = static_cast<int32_t>(periodType); |
2001 | if (count <= 3) { |
2002 | toAppend = &fSymbols->fAbbreviatedDayPeriods[index]; // i.e. short |
2003 | } else if (count == 4 || count > 5) { |
2004 | toAppend = &fSymbols->fWideDayPeriods[index]; |
2005 | } else { // count == 5 |
2006 | toAppend = &fSymbols->fNarrowDayPeriods[index]; |
2007 | } |
2008 | } |
2009 | |
2010 | // Fallback schedule: |
2011 | // Midnight/Noon -> General Periods -> AM/PM. |
2012 | |
2013 | // Midnight/Noon -> General Periods. |
2014 | if ((toAppend == nullptr || toAppend->isBogus()) && |
2015 | (periodType == DayPeriodRules::DAYPERIOD_MIDNIGHT || |
2016 | periodType == DayPeriodRules::DAYPERIOD_NOON)) { |
2017 | periodType = ruleSet->getDayPeriodForHour(hour); |
2018 | index = static_cast<int32_t>(periodType); |
2019 | |
2020 | if (count <= 3) { |
2021 | toAppend = &fSymbols->fAbbreviatedDayPeriods[index]; // i.e. short |
2022 | } else if (count == 4 || count > 5) { |
2023 | toAppend = &fSymbols->fWideDayPeriods[index]; |
2024 | } else { // count == 5 |
2025 | toAppend = &fSymbols->fNarrowDayPeriods[index]; |
2026 | } |
2027 | } |
2028 | |
2029 | // General Periods -> AM/PM. |
2030 | if (periodType == DayPeriodRules::DAYPERIOD_AM || |
2031 | periodType == DayPeriodRules::DAYPERIOD_PM || |
2032 | toAppend->isBogus()) { |
2033 | // We are passing a different fieldToOutput because we want to add |
2034 | // 'B' to field position iterator. This makes this fallback stable when |
2035 | // there is a data change on locales. |
2036 | subFormat(appendTo, u'a', count, capitalizationContext, fieldNum, u'B', handler, cal, status); |
2037 | return; |
2038 | } |
2039 | else { |
2040 | appendTo += *toAppend; |
2041 | } |
2042 | |
2043 | break; |
2044 | } |
2045 | |
2046 | // all of the other pattern symbols can be formatted as simple numbers with |
2047 | // appropriate zero padding |
2048 | default: |
2049 | zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount); |
2050 | break; |
2051 | } |
2052 | #if !UCONFIG_NO_BREAK_ITERATION1 |
2053 | // if first field, check to see whether we need to and are able to titlecase it |
2054 | if (fieldNum == 0 && fCapitalizationBrkIter != nullptr && appendTo.length() > beginOffset && |
2055 | u_isloweru_islower_77(appendTo.char32At(beginOffset))) { |
2056 | UBool titlecase = false; |
2057 | switch (capitalizationContext) { |
2058 | case UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE: |
2059 | titlecase = true; |
2060 | break; |
2061 | case UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU: |
2062 | titlecase = fSymbols->fCapitalization[capContextUsageType][0]; |
2063 | break; |
2064 | case UDISPCTX_CAPITALIZATION_FOR_STANDALONE: |
2065 | titlecase = fSymbols->fCapitalization[capContextUsageType][1]; |
2066 | break; |
2067 | default: |
2068 | // titlecase = false; |
2069 | break; |
2070 | } |
2071 | if (titlecase) { |
2072 | BreakIterator* const mutableCapitalizationBrkIter = fCapitalizationBrkIter->clone(); |
2073 | UnicodeString firstField(appendTo, beginOffset); |
2074 | firstField.toTitle(mutableCapitalizationBrkIter, fLocale, U_TITLECASE_NO_LOWERCASE0x100 | U_TITLECASE_NO_BREAK_ADJUSTMENT0x200); |
2075 | appendTo.replaceBetween(beginOffset, appendTo.length(), firstField); |
2076 | delete mutableCapitalizationBrkIter; |
2077 | } |
2078 | } |
2079 | #endif |
2080 | |
2081 | handler.addAttribute(DateFormatSymbols::getPatternCharIndex(fieldToOutput), beginOffset, appendTo.length()); |
2082 | } |
2083 | |
2084 | //---------------------------------------------------------------------- |
2085 | |
2086 | void SimpleDateFormat::adoptNumberFormat(NumberFormat *formatToAdopt) { |
2087 | // Null out the fast formatter, it references fNumberFormat which we're |
2088 | // about to invalidate |
2089 | delete fSimpleNumberFormatter; |
2090 | fSimpleNumberFormatter = nullptr; |
2091 | |
2092 | fixNumberFormatForDates(*formatToAdopt); |
2093 | delete fNumberFormat; |
2094 | fNumberFormat = formatToAdopt; |
2095 | |
2096 | // We successfully set the default number format. Now delete the overrides |
2097 | // (can't fail). |
2098 | if (fSharedNumberFormatters) { |
2099 | freeSharedNumberFormatters(fSharedNumberFormatters); |
2100 | fSharedNumberFormatters = nullptr; |
2101 | } |
2102 | |
2103 | // Recompute fSimpleNumberFormatter if necessary |
2104 | UErrorCode localStatus = U_ZERO_ERROR; |
2105 | initSimpleNumberFormatter(localStatus); |
2106 | } |
2107 | |
2108 | void SimpleDateFormat::adoptNumberFormat(const UnicodeString& fields, NumberFormat *formatToAdopt, UErrorCode &status){ |
2109 | fixNumberFormatForDates(*formatToAdopt); |
2110 | LocalPointer<NumberFormat> fmt(formatToAdopt); |
2111 | if (U_FAILURE(status)) { |
2112 | return; |
2113 | } |
2114 | |
2115 | // We must ensure fSharedNumberFormatters is allocated. |
2116 | if (fSharedNumberFormatters == nullptr) { |
2117 | fSharedNumberFormatters = allocSharedNumberFormatters(); |
2118 | if (fSharedNumberFormatters == nullptr) { |
2119 | status = U_MEMORY_ALLOCATION_ERROR; |
2120 | return; |
2121 | } |
2122 | } |
2123 | const SharedNumberFormat *newFormat = createSharedNumberFormat(fmt.orphan()); |
2124 | if (newFormat == nullptr) { |
2125 | status = U_MEMORY_ALLOCATION_ERROR; |
2126 | return; |
2127 | } |
2128 | for (int i=0; i<fields.length(); i++) { |
2129 | char16_t field = fields.charAt(i); |
2130 | // if the pattern character is unrecognized, signal an error and bail out |
2131 | UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(field); |
2132 | if (patternCharIndex == UDAT_FIELD_COUNT) { |
2133 | status = U_INVALID_FORMAT_ERROR; |
2134 | newFormat->deleteIfZeroRefCount(); |
2135 | return; |
2136 | } |
2137 | |
2138 | // Set the number formatter in the table |
2139 | SharedObject::copyPtr( |
2140 | newFormat, fSharedNumberFormatters[patternCharIndex]); |
2141 | } |
2142 | newFormat->deleteIfZeroRefCount(); |
2143 | } |
2144 | |
2145 | const NumberFormat * |
2146 | SimpleDateFormat::getNumberFormatForField(char16_t field) const { |
2147 | UDateFormatField index = DateFormatSymbols::getPatternCharIndex(field); |
2148 | if (index == UDAT_FIELD_COUNT) { |
2149 | return nullptr; |
2150 | } |
2151 | return getNumberFormatByIndex(index); |
2152 | } |
2153 | |
2154 | //---------------------------------------------------------------------- |
2155 | void |
2156 | SimpleDateFormat::zeroPaddingNumber( |
2157 | const NumberFormat *currentNumberFormat, |
2158 | UnicodeString &appendTo, |
2159 | int32_t value, int32_t minDigits, int32_t maxDigits) const |
2160 | { |
2161 | |
2162 | if (currentNumberFormat == fNumberFormat && fSimpleNumberFormatter) { |
2163 | // Can use fast path |
2164 | // We create UFormattedNumberData ourselves to avoid a heap allocation |
2165 | // and corresponding free. Set the pointer to null afterwards to prevent |
2166 | // the implementation from attempting to free it. |
2167 | UErrorCode localStatus = U_ZERO_ERROR; |
2168 | number::impl::UFormattedNumberData data; |
2169 | data.quantity.setToLong(value); |
2170 | number::SimpleNumber number(&data, localStatus); |
2171 | number.setMinimumIntegerDigits(minDigits, localStatus); |
2172 | number.setMaximumIntegerDigits(maxDigits, localStatus); |
2173 | |
2174 | number::FormattedNumber result = fSimpleNumberFormatter->format(std::move(number), localStatus); |
2175 | if (U_FAILURE(localStatus)) { |
2176 | result.fData = nullptr; |
2177 | return; |
2178 | } |
2179 | UnicodeStringAppendable appendable(appendTo); |
2180 | result.appendTo(appendable, localStatus); |
2181 | result.fData = nullptr; |
2182 | return; |
2183 | } |
2184 | |
2185 | // Check for RBNF (no clone necessary) |
2186 | const auto* rbnf = dynamic_cast<const RuleBasedNumberFormat*>(currentNumberFormat); |
2187 | if (rbnf != nullptr) { |
2188 | FieldPosition pos(FieldPosition::DONT_CARE); |
2189 | rbnf->format(value, appendTo, pos); // 3rd arg is there to speed up processing |
2190 | return; |
2191 | } |
2192 | |
2193 | // Fall back to slow path (clone and mutate the NumberFormat) |
2194 | if (currentNumberFormat != nullptr) { |
2195 | FieldPosition pos(FieldPosition::DONT_CARE); |
2196 | LocalPointer<NumberFormat> nf(currentNumberFormat->clone()); |
2197 | nf->setMinimumIntegerDigits(minDigits); |
2198 | nf->setMaximumIntegerDigits(maxDigits); |
2199 | nf->format(value, appendTo, pos); // 3rd arg is there to speed up processing |
2200 | } |
2201 | } |
2202 | |
2203 | //---------------------------------------------------------------------- |
2204 | |
2205 | /** |
2206 | * Return true if the given format character, occurring count |
2207 | * times, represents a numeric field. |
2208 | */ |
2209 | UBool SimpleDateFormat::isNumeric(char16_t formatChar, int32_t count) { |
2210 | return DateFormatSymbols::isNumericPatternChar(formatChar, count); |
2211 | } |
2212 | |
2213 | UBool |
2214 | SimpleDateFormat::isAtNumericField(const UnicodeString &pattern, int32_t patternOffset) { |
2215 | if (patternOffset >= pattern.length()) { |
2216 | // not at any field |
2217 | return false; |
2218 | } |
2219 | char16_t ch = pattern.charAt(patternOffset); |
2220 | UDateFormatField f = DateFormatSymbols::getPatternCharIndex(ch); |
2221 | if (f == UDAT_FIELD_COUNT) { |
2222 | // not at any field |
2223 | return false; |
2224 | } |
2225 | int32_t i = patternOffset; |
2226 | while (pattern.charAt(++i) == ch) {} |
2227 | return DateFormatSymbols::isNumericField(f, i - patternOffset); |
2228 | } |
2229 | |
2230 | UBool |
2231 | SimpleDateFormat::isAfterNonNumericField(const UnicodeString &pattern, int32_t patternOffset) { |
2232 | if (patternOffset <= 0) { |
2233 | // not after any field |
2234 | return false; |
2235 | } |
2236 | char16_t ch = pattern.charAt(--patternOffset); |
2237 | UDateFormatField f = DateFormatSymbols::getPatternCharIndex(ch); |
2238 | if (f == UDAT_FIELD_COUNT) { |
2239 | // not after any field |
2240 | return false; |
2241 | } |
2242 | int32_t i = patternOffset; |
2243 | while (pattern.charAt(--i) == ch) {} |
2244 | return !DateFormatSymbols::isNumericField(f, patternOffset - i); |
2245 | } |
2246 | |
2247 | void |
2248 | SimpleDateFormat::parse(const UnicodeString& text, Calendar& cal, ParsePosition& parsePos) const |
2249 | { |
2250 | UErrorCode status = U_ZERO_ERROR; |
2251 | int32_t pos = parsePos.getIndex(); |
2252 | if(parsePos.getIndex() < 0) { |
2253 | parsePos.setErrorIndex(0); |
2254 | return; |
2255 | } |
2256 | int32_t start = pos; |
2257 | |
2258 | // Hold the day period until everything else is parsed, because we need |
2259 | // the hour to interpret time correctly. |
2260 | int32_t dayPeriodInt = -1; |
2261 | |
2262 | UBool ambiguousYear[] = { false }; |
2263 | int32_t saveHebrewMonth = -1; |
2264 | int32_t count = 0; |
2265 | UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN; |
2266 | |
2267 | // For parsing abutting numeric fields. 'abutPat' is the |
2268 | // offset into 'pattern' of the first of 2 or more abutting |
2269 | // numeric fields. 'abutStart' is the offset into 'text' |
2270 | // where parsing the fields begins. 'abutPass' starts off as 0 |
2271 | // and increments each time we try to parse the fields. |
2272 | int32_t abutPat = -1; // If >=0, we are in a run of abutting numeric fields |
2273 | int32_t abutStart = 0; |
2274 | int32_t abutPass = 0; |
2275 | UBool inQuote = false; |
2276 | |
2277 | MessageFormat * numericLeapMonthFormatter = nullptr; |
2278 | |
2279 | Calendar* calClone = nullptr; |
2280 | Calendar *workCal = &cal; |
2281 | if (&cal != fCalendar && typeid(cal) != typeid(*fCalendar)) { |
2282 | // Different calendar type |
2283 | // We use the time/zone from the input calendar, but |
2284 | // do not use the input calendar for field calculation. |
2285 | calClone = fCalendar->clone(); |
2286 | if (calClone != nullptr) { |
2287 | calClone->setTime(cal.getTime(status),status); |
2288 | if (U_FAILURE(status)) { |
2289 | goto ExitParse; |
2290 | } |
2291 | calClone->setTimeZone(cal.getTimeZone()); |
2292 | workCal = calClone; |
2293 | } else { |
2294 | status = U_MEMORY_ALLOCATION_ERROR; |
2295 | goto ExitParse; |
2296 | } |
2297 | } |
2298 | |
2299 | if (fSymbols->fLeapMonthPatterns != nullptr && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount) { |
2300 | numericLeapMonthFormatter = new MessageFormat(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternNumeric], fLocale, status); |
2301 | if (numericLeapMonthFormatter == nullptr) { |
2302 | status = U_MEMORY_ALLOCATION_ERROR; |
2303 | goto ExitParse; |
2304 | } else if (U_FAILURE(status)) { |
2305 | goto ExitParse; // this will delete numericLeapMonthFormatter |
2306 | } |
2307 | } |
2308 | |
2309 | for (int32_t i=0; i<fPattern.length(); ++i) { |
2310 | char16_t ch = fPattern.charAt(i); |
2311 | |
2312 | // Handle alphabetic field characters. |
2313 | if (!inQuote && isSyntaxChar(ch)) { |
2314 | int32_t fieldPat = i; |
2315 | |
2316 | // Count the length of this field specifier |
2317 | count = 1; |
2318 | while ((i+1)<fPattern.length() && |
2319 | fPattern.charAt(i+1) == ch) { |
2320 | ++count; |
2321 | ++i; |
2322 | } |
2323 | |
2324 | if (isNumeric(ch, count)) { |
2325 | if (abutPat < 0) { |
2326 | // Determine if there is an abutting numeric field. |
2327 | // Record the start of a set of abutting numeric fields. |
2328 | if (isAtNumericField(fPattern, i + 1)) { |
2329 | abutPat = fieldPat; |
2330 | abutStart = pos; |
2331 | abutPass = 0; |
2332 | } |
2333 | } |
2334 | } else { |
2335 | abutPat = -1; // End of any abutting fields |
2336 | } |
2337 | |
2338 | // Handle fields within a run of abutting numeric fields. Take |
2339 | // the pattern "HHmmss" as an example. We will try to parse |
2340 | // 2/2/2 characters of the input text, then if that fails, |
2341 | // 1/2/2. We only adjust the width of the leftmost field; the |
2342 | // others remain fixed. This allows "123456" => 12:34:56, but |
2343 | // "12345" => 1:23:45. Likewise, for the pattern "yyyyMMdd" we |
2344 | // try 4/2/2, 3/2/2, 2/2/2, and finally 1/2/2. |
2345 | if (abutPat >= 0) { |
2346 | // If we are at the start of a run of abutting fields, then |
2347 | // shorten this field in each pass. If we can't shorten |
2348 | // this field any more, then the parse of this set of |
2349 | // abutting numeric fields has failed. |
2350 | if (fieldPat == abutPat) { |
2351 | count -= abutPass++; |
2352 | if (count == 0) { |
2353 | status = U_PARSE_ERROR; |
2354 | goto ExitParse; |
2355 | } |
2356 | } |
2357 | |
2358 | pos = subParse(text, pos, ch, count, |
2359 | true, false, ambiguousYear, saveHebrewMonth, *workCal, i, numericLeapMonthFormatter, &tzTimeType); |
2360 | |
2361 | // If the parse fails anywhere in the run, back up to the |
2362 | // start of the run and retry. |
2363 | if (pos < 0) { |
2364 | i = abutPat - 1; |
2365 | pos = abutStart; |
2366 | continue; |
2367 | } |
2368 | } |
2369 | |
2370 | // Handle non-numeric fields and non-abutting numeric |
2371 | // fields. |
2372 | else if (ch != 0x6C) { // pattern char 'l' (SMALL LETTER L) just gets ignored |
2373 | int32_t s = subParse(text, pos, ch, count, |
2374 | false, true, ambiguousYear, saveHebrewMonth, *workCal, i, numericLeapMonthFormatter, &tzTimeType, &dayPeriodInt); |
2375 | |
2376 | if (s == -pos-1) { |
2377 | // era not present, in special cases allow this to continue |
2378 | // from the position where the era was expected |
2379 | s = pos; |
2380 | |
2381 | if (i+1 < fPattern.length()) { |
2382 | // move to next pattern character |
2383 | char16_t c = fPattern.charAt(i+1); |
2384 | |
2385 | // check for whitespace |
2386 | if (PatternProps::isWhiteSpace(c)) { |
2387 | i++; |
2388 | // Advance over run in pattern |
2389 | while ((i+1)<fPattern.length() && |
2390 | PatternProps::isWhiteSpace(fPattern.charAt(i+1))) { |
2391 | ++i; |
2392 | } |
2393 | } |
2394 | } |
2395 | } |
2396 | else if (s <= 0) { |
2397 | status = U_PARSE_ERROR; |
2398 | goto ExitParse; |
2399 | } |
2400 | pos = s; |
2401 | } |
2402 | } |
2403 | |
2404 | // Handle literal pattern characters. These are any |
2405 | // quoted characters and non-alphabetic unquoted |
2406 | // characters. |
2407 | else { |
2408 | |
2409 | abutPat = -1; // End of any abutting fields |
2410 | |
2411 | if (! matchLiterals(fPattern, i, text, pos, getBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, status), getBooleanAttribute(UDAT_PARSE_PARTIAL_LITERAL_MATCH, status), isLenient())) { |
2412 | status = U_PARSE_ERROR; |
2413 | goto ExitParse; |
2414 | } |
2415 | } |
2416 | } |
2417 | |
2418 | // Special hack for trailing "." after non-numeric field. |
2419 | if (text.charAt(pos) == 0x2e && getBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, status)) { |
2420 | // only do if the last field is not numeric |
2421 | if (isAfterNonNumericField(fPattern, fPattern.length())) { |
2422 | pos++; // skip the extra "." |
2423 | } |
2424 | } |
2425 | |
2426 | // If dayPeriod is set, use it in conjunction with hour-of-day to determine am/pm. |
2427 | if (dayPeriodInt >= 0) { |
2428 | DayPeriodRules::DayPeriod dayPeriod = static_cast<DayPeriodRules::DayPeriod>(dayPeriodInt); |
2429 | const DayPeriodRules *ruleSet = DayPeriodRules::getInstance(this->getSmpFmtLocale(), status); |
2430 | |
2431 | if (!cal.isSet(UCAL_HOUR) && !cal.isSet(UCAL_HOUR_OF_DAY)) { |
2432 | // If hour is not set, set time to the midpoint of current day period, overwriting |
2433 | // minutes if it's set. |
2434 | double midPoint = ruleSet->getMidPointForDayPeriod(dayPeriod, status); |
2435 | |
2436 | // If we can't get midPoint we do nothing. |
2437 | if (U_SUCCESS(status)) { |
2438 | // Truncate midPoint toward zero to get the hour. |
2439 | // Any leftover means it was a half-hour. |
2440 | int32_t midPointHour = static_cast<int32_t>(midPoint); |
2441 | int32_t midPointMinute = (midPoint - midPointHour) > 0 ? 30 : 0; |
2442 | |
2443 | // No need to set am/pm because hour-of-day is set last therefore takes precedence. |
2444 | cal.set(UCAL_HOUR_OF_DAY, midPointHour); |
2445 | cal.set(UCAL_MINUTE, midPointMinute); |
2446 | } |
2447 | } else { |
2448 | int hourOfDay; |
2449 | |
2450 | if (cal.isSet(UCAL_HOUR_OF_DAY)) { // Hour is parsed in 24-hour format. |
2451 | hourOfDay = cal.get(UCAL_HOUR_OF_DAY, status); |
2452 | } else { // Hour is parsed in 12-hour format. |
2453 | hourOfDay = cal.get(UCAL_HOUR, status); |
2454 | // cal.get() turns 12 to 0 for 12-hour time; change 0 to 12 |
2455 | // so 0 unambiguously means a 24-hour time from above. |
2456 | if (hourOfDay == 0) { hourOfDay = 12; } |
2457 | } |
2458 | U_ASSERT(0 <= hourOfDay && hourOfDay <= 23)(static_cast <bool> (0 <= hourOfDay && hourOfDay <= 23) ? void (0) : __assert_fail ("0 <= hourOfDay && hourOfDay <= 23" , __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__ )); |
2459 | |
2460 | |
2461 | // If hour-of-day is 0 or 13 thru 23 then input time in unambiguously in 24-hour format. |
2462 | if (hourOfDay == 0 || (13 <= hourOfDay && hourOfDay <= 23)) { |
2463 | // Make hour-of-day take precedence over (hour + am/pm) by setting it again. |
2464 | cal.set(UCAL_HOUR_OF_DAY, hourOfDay); |
2465 | } else { |
2466 | // We have a 12-hour time and need to choose between am and pm. |
2467 | // Behave as if dayPeriod spanned 6 hours each way from its center point. |
2468 | // This will parse correctly for consistent time + period (e.g. 10 at night) as |
2469 | // well as provide a reasonable recovery for inconsistent time + period (e.g. |
2470 | // 9 in the afternoon). |
2471 | |
2472 | // Assume current time is in the AM. |
2473 | // - Change 12 back to 0 for easier handling of 12am. |
2474 | // - Append minutes as fractional hours because e.g. 8:15 and 8:45 could be parsed |
2475 | // into different half-days if center of dayPeriod is at 14:30. |
2476 | // - cal.get(MINUTE) will return 0 if MINUTE is unset, which works. |
2477 | if (hourOfDay == 12) { hourOfDay = 0; } |
2478 | double currentHour = hourOfDay + (cal.get(UCAL_MINUTE, status)) / 60.0; |
2479 | double midPointHour = ruleSet->getMidPointForDayPeriod(dayPeriod, status); |
2480 | |
2481 | if (U_SUCCESS(status)) { |
2482 | double hoursAheadMidPoint = currentHour - midPointHour; |
2483 | |
2484 | // Assume current time is in the AM. |
2485 | if (-6 <= hoursAheadMidPoint && hoursAheadMidPoint < 6) { |
2486 | // Assumption holds; set time as such. |
2487 | cal.set(UCAL_AM_PM, 0); |
2488 | } else { |
2489 | cal.set(UCAL_AM_PM, 1); |
2490 | } |
2491 | } |
2492 | } |
2493 | } |
2494 | } |
2495 | |
2496 | // At this point the fields of Calendar have been set. Calendar |
2497 | // will fill in default values for missing fields when the time |
2498 | // is computed. |
2499 | |
2500 | parsePos.setIndex(pos); |
2501 | |
2502 | // This part is a problem: When we call parsedDate.after, we compute the time. |
2503 | // Take the date April 3 2004 at 2:30 am. When this is first set up, the year |
2504 | // will be wrong if we're parsing a 2-digit year pattern. It will be 1904. |
2505 | // April 3 1904 is a Sunday (unlike 2004) so it is the DST onset day. 2:30 am |
2506 | // is therefore an "impossible" time, since the time goes from 1:59 to 3:00 am |
2507 | // on that day. It is therefore parsed out to fields as 3:30 am. Then we |
2508 | // add 100 years, and get April 3 2004 at 3:30 am. Note that April 3 2004 is |
2509 | // a Saturday, so it can have a 2:30 am -- and it should. [LIU] |
2510 | /* |
2511 | UDate parsedDate = calendar.getTime(); |
2512 | if( ambiguousYear[0] && !parsedDate.after(fDefaultCenturyStart) ) { |
2513 | calendar.add(Calendar.YEAR, 100); |
2514 | parsedDate = calendar.getTime(); |
2515 | } |
2516 | */ |
2517 | // Because of the above condition, save off the fields in case we need to readjust. |
2518 | // The procedure we use here is not particularly efficient, but there is no other |
2519 | // way to do this given the API restrictions present in Calendar. We minimize |
2520 | // inefficiency by only performing this computation when it might apply, that is, |
2521 | // when the two-digit year is equal to the start year, and thus might fall at the |
2522 | // front or the back of the default century. This only works because we adjust |
2523 | // the year correctly to start with in other cases -- see subParse(). |
2524 | if (ambiguousYear[0] || tzTimeType != UTZFMT_TIME_TYPE_UNKNOWN) // If this is true then the two-digit year == the default start year |
2525 | { |
2526 | // We need a copy of the fields, and we need to avoid triggering a call to |
2527 | // complete(), which will recalculate the fields. Since we can't access |
2528 | // the fields[] array in Calendar, we clone the entire object. This will |
2529 | // stop working if Calendar.clone() is ever rewritten to call complete(). |
2530 | Calendar *copy; |
2531 | if (ambiguousYear[0]) { |
2532 | copy = cal.clone(); |
2533 | // Check for failed cloning. |
2534 | if (copy == nullptr) { |
2535 | status = U_MEMORY_ALLOCATION_ERROR; |
2536 | goto ExitParse; |
2537 | } |
2538 | UDate parsedDate = copy->getTime(status); |
2539 | // {sfb} check internalGetDefaultCenturyStart |
2540 | if (fHaveDefaultCentury && (parsedDate < fDefaultCenturyStart)) { |
2541 | // We can't use add here because that does a complete() first. |
2542 | cal.set(UCAL_YEAR, fDefaultCenturyStartYear + 100); |
2543 | } |
2544 | delete copy; |
2545 | } |
2546 | |
2547 | if (tzTimeType != UTZFMT_TIME_TYPE_UNKNOWN) { |
2548 | copy = cal.clone(); |
2549 | // Check for failed cloning. |
2550 | if (copy == nullptr) { |
2551 | status = U_MEMORY_ALLOCATION_ERROR; |
2552 | goto ExitParse; |
2553 | } |
2554 | const TimeZone & tz = cal.getTimeZone(); |
2555 | BasicTimeZone *btz = nullptr; |
2556 | |
2557 | if (dynamic_cast<const OlsonTimeZone *>(&tz) != nullptr |
2558 | || dynamic_cast<const SimpleTimeZone *>(&tz) != nullptr |
2559 | || dynamic_cast<const RuleBasedTimeZone *>(&tz) != nullptr |
2560 | || dynamic_cast<const VTimeZone *>(&tz) != nullptr) { |
2561 | btz = (BasicTimeZone*)&tz; |
2562 | } |
2563 | |
2564 | // Get local millis |
2565 | copy->set(UCAL_ZONE_OFFSET, 0); |
2566 | copy->set(UCAL_DST_OFFSET, 0); |
2567 | UDate localMillis = copy->getTime(status); |
2568 | |
2569 | // Make sure parsed time zone type (Standard or Daylight) |
2570 | // matches the rule used by the parsed time zone. |
2571 | int32_t raw, dst; |
2572 | if (btz != nullptr) { |
2573 | if (tzTimeType == UTZFMT_TIME_TYPE_STANDARD) { |
2574 | btz->getOffsetFromLocal(localMillis, |
2575 | UCAL_TZ_LOCAL_STANDARD_FORMER, UCAL_TZ_LOCAL_STANDARD_LATTER, raw, dst, status); |
2576 | } else { |
2577 | btz->getOffsetFromLocal(localMillis, |
2578 | UCAL_TZ_LOCAL_DAYLIGHT_FORMER, UCAL_TZ_LOCAL_DAYLIGHT_LATTER, raw, dst, status); |
2579 | } |
2580 | } else { |
2581 | // No good way to resolve ambiguous time at transition, |
2582 | // but following code work in most case. |
2583 | tz.getOffset(localMillis, true, raw, dst, status); |
2584 | } |
2585 | |
2586 | // Now, compare the results with parsed type, either standard or daylight saving time |
2587 | int32_t resolvedSavings = dst; |
2588 | if (tzTimeType == UTZFMT_TIME_TYPE_STANDARD) { |
2589 | if (dst != 0) { |
2590 | // Override DST_OFFSET = 0 in the result calendar |
2591 | resolvedSavings = 0; |
2592 | } |
2593 | } else { // tztype == TZTYPE_DST |
2594 | if (dst == 0) { |
2595 | if (btz != nullptr) { |
2596 | // This implementation resolves daylight saving time offset |
2597 | // closest rule after the given time. |
2598 | UDate baseTime = localMillis + raw; |
2599 | UDate time = baseTime; |
2600 | UDate limit = baseTime + MAX_DAYLIGHT_DETECTION_RANGE; |
2601 | TimeZoneTransition trs; |
2602 | UBool trsAvail; |
2603 | |
2604 | // Search for DST rule after the given time |
2605 | while (time < limit) { |
2606 | trsAvail = btz->getNextTransition(time, false, trs); |
2607 | if (!trsAvail) { |
2608 | break; |
2609 | } |
2610 | resolvedSavings = trs.getTo()->getDSTSavings(); |
2611 | if (resolvedSavings != 0) { |
2612 | break; |
2613 | } |
2614 | time = trs.getTime(); |
2615 | } |
2616 | |
2617 | if (resolvedSavings == 0) { |
2618 | // If no DST rule after the given time was found, search for |
2619 | // DST rule before. |
2620 | time = baseTime; |
2621 | limit = baseTime - MAX_DAYLIGHT_DETECTION_RANGE; |
2622 | while (time > limit) { |
2623 | trsAvail = btz->getPreviousTransition(time, true, trs); |
2624 | if (!trsAvail) { |
2625 | break; |
2626 | } |
2627 | resolvedSavings = trs.getFrom()->getDSTSavings(); |
2628 | if (resolvedSavings != 0) { |
2629 | break; |
2630 | } |
2631 | time = trs.getTime() - 1; |
2632 | } |
2633 | |
2634 | if (resolvedSavings == 0) { |
2635 | resolvedSavings = btz->getDSTSavings(); |
2636 | } |
2637 | } |
2638 | } else { |
2639 | resolvedSavings = tz.getDSTSavings(); |
2640 | } |
2641 | if (resolvedSavings == 0) { |
2642 | // final fallback |
2643 | resolvedSavings = U_MILLIS_PER_HOUR(3600000); |
2644 | } |
2645 | } |
2646 | } |
2647 | cal.set(UCAL_ZONE_OFFSET, raw); |
2648 | cal.set(UCAL_DST_OFFSET, resolvedSavings); |
2649 | delete copy; |
2650 | } |
2651 | } |
2652 | ExitParse: |
2653 | // Set the parsed result if local calendar is used |
2654 | // instead of the input calendar |
2655 | if (U_SUCCESS(status) && workCal != &cal) { |
2656 | cal.setTimeZone(workCal->getTimeZone()); |
2657 | cal.setTime(workCal->getTime(status), status); |
2658 | } |
2659 | |
2660 | delete numericLeapMonthFormatter; |
2661 | delete calClone; |
2662 | |
2663 | // If any Calendar calls failed, we pretend that we |
2664 | // couldn't parse the string, when in reality this isn't quite accurate-- |
2665 | // we did parse it; the Calendar calls just failed. |
2666 | if (U_FAILURE(status)) { |
2667 | parsePos.setErrorIndex(pos); |
2668 | parsePos.setIndex(start); |
2669 | } |
2670 | } |
2671 | |
2672 | //---------------------------------------------------------------------- |
2673 | |
2674 | static int32_t |
2675 | matchStringWithOptionalDot(const UnicodeString &text, |
2676 | int32_t index, |
2677 | const UnicodeString &data); |
2678 | |
2679 | int32_t SimpleDateFormat::matchQuarterString(const UnicodeString& text, |
2680 | int32_t start, |
2681 | UCalendarDateFields field, |
2682 | const UnicodeString* data, |
2683 | int32_t dataCount, |
2684 | Calendar& cal) const |
2685 | { |
2686 | int32_t i = 0; |
2687 | int32_t count = dataCount; |
2688 | |
2689 | // There may be multiple strings in the data[] array which begin with |
2690 | // the same prefix (e.g., Cerven and Cervenec (June and July) in Czech). |
2691 | // We keep track of the longest match, and return that. Note that this |
2692 | // unfortunately requires us to test all array elements. |
2693 | int32_t bestMatchLength = 0, bestMatch = -1; |
2694 | UnicodeString bestMatchName; |
2695 | |
2696 | for (; i < count; ++i) { |
2697 | int32_t matchLength = 0; |
2698 | if ((matchLength = matchStringWithOptionalDot(text, start, data[i])) > bestMatchLength) { |
2699 | bestMatchLength = matchLength; |
2700 | bestMatch = i; |
2701 | } |
2702 | } |
2703 | |
2704 | if (bestMatch >= 0) { |
2705 | cal.set(field, bestMatch * 3); |
2706 | return start + bestMatchLength; |
2707 | } |
2708 | |
2709 | return -start; |
2710 | } |
2711 | |
2712 | int32_t SimpleDateFormat::matchDayPeriodStrings(const UnicodeString& text, int32_t start, |
2713 | const UnicodeString* data, int32_t dataCount, |
2714 | int32_t &dayPeriod) const |
2715 | { |
2716 | |
2717 | int32_t bestMatchLength = 0, bestMatch = -1; |
2718 | |
2719 | for (int32_t i = 0; i < dataCount; ++i) { |
2720 | int32_t matchLength = 0; |
2721 | if ((matchLength = matchStringWithOptionalDot(text, start, data[i])) > bestMatchLength) { |
2722 | bestMatchLength = matchLength; |
2723 | bestMatch = i; |
2724 | } |
2725 | } |
2726 | |
2727 | if (bestMatch >= 0) { |
2728 | dayPeriod = bestMatch; |
2729 | return start + bestMatchLength; |
2730 | } |
2731 | |
2732 | return -start; |
2733 | } |
2734 | |
2735 | //---------------------------------------------------------------------- |
2736 | UBool SimpleDateFormat::matchLiterals(const UnicodeString &pattern, |
2737 | int32_t &patternOffset, |
2738 | const UnicodeString &text, |
2739 | int32_t &textOffset, |
2740 | UBool whitespaceLenient, |
2741 | UBool partialMatchLenient, |
2742 | UBool oldLeniency) |
2743 | { |
2744 | UBool inQuote = false; |
2745 | UnicodeString literal; |
2746 | int32_t i = patternOffset; |
2747 | |
2748 | // scan pattern looking for contiguous literal characters |
2749 | for ( ; i < pattern.length(); i += 1) { |
2750 | char16_t ch = pattern.charAt(i); |
2751 | |
2752 | if (!inQuote && isSyntaxChar(ch)) { |
2753 | break; |
2754 | } |
2755 | |
2756 | if (ch == QUOTE) { |
2757 | // Match a quote literal ('') inside OR outside of quotes |
2758 | if ((i + 1) < pattern.length() && pattern.charAt(i + 1) == QUOTE) { |
2759 | i += 1; |
2760 | } else { |
2761 | inQuote = !inQuote; |
2762 | continue; |
2763 | } |
2764 | } |
2765 | |
2766 | literal += ch; |
2767 | } |
2768 | |
2769 | // at this point, literal contains the literal text |
2770 | // and i is the index of the next non-literal pattern character. |
2771 | int32_t p; |
2772 | int32_t t = textOffset; |
2773 | |
2774 | if (whitespaceLenient) { |
2775 | // trim leading, trailing whitespace from |
2776 | // the literal text |
2777 | literal.trim(); |
2778 | |
2779 | // ignore any leading whitespace in the text |
2780 | while (t < text.length() && u_isWhitespaceu_isWhitespace_77(text.charAt(t))) { |
2781 | t += 1; |
2782 | } |
2783 | } |
2784 | |
2785 | for (p = 0; p < literal.length() && t < text.length();) { |
2786 | UBool needWhitespace = false; |
2787 | |
2788 | while (p < literal.length() && PatternProps::isWhiteSpace(literal.charAt(p))) { |
2789 | needWhitespace = true; |
2790 | p += 1; |
2791 | } |
2792 | |
2793 | if (needWhitespace) { |
2794 | int32_t tStart = t; |
2795 | |
2796 | while (t < text.length()) { |
2797 | char16_t tch = text.charAt(t); |
2798 | |
2799 | if (!u_isUWhiteSpaceu_isUWhiteSpace_77(tch) && !PatternProps::isWhiteSpace(tch)) { |
2800 | break; |
2801 | } |
2802 | |
2803 | t += 1; |
2804 | } |
2805 | |
2806 | // TODO: should we require internal spaces |
2807 | // in lenient mode? (There won't be any |
2808 | // leading or trailing spaces) |
2809 | if (!whitespaceLenient && t == tStart) { |
2810 | // didn't find matching whitespace: |
2811 | // an error in strict mode |
2812 | return false; |
2813 | } |
2814 | |
2815 | // In strict mode, this run of whitespace |
2816 | // may have been at the end. |
2817 | if (p >= literal.length()) { |
2818 | break; |
2819 | } |
2820 | } |
2821 | if (t >= text.length() || literal.charAt(p) != text.charAt(t)) { |
2822 | // Ran out of text, or found a non-matching character: |
2823 | // OK in lenient mode, an error in strict mode. |
2824 | if (whitespaceLenient) { |
2825 | if (t == textOffset && text.charAt(t) == 0x2e && |
2826 | isAfterNonNumericField(pattern, patternOffset)) { |
2827 | // Lenient mode and the literal input text begins with a "." and |
2828 | // we are after a non-numeric field: We skip the "." |
2829 | ++t; |
2830 | continue; // Do not update p. |
2831 | } |
2832 | // if it is actual whitespace and we're whitespace lenient it's OK |
2833 | |
2834 | char16_t wsc = text.charAt(t); |
2835 | if(PatternProps::isWhiteSpace(wsc)) { |
2836 | // Lenient mode and it's just whitespace we skip it |
2837 | ++t; |
2838 | continue; // Do not update p. |
2839 | } |
2840 | } |
2841 | // hack around oldleniency being a bit of a catch-all bucket and we're just adding support specifically for partial matches |
2842 | if(partialMatchLenient && oldLeniency) { |
2843 | break; |
2844 | } |
2845 | |
2846 | return false; |
2847 | } |
2848 | ++p; |
2849 | ++t; |
2850 | } |
2851 | |
2852 | // At this point if we're in strict mode we have a complete match. |
2853 | // If we're in lenient mode we may have a partial match, or no |
2854 | // match at all. |
2855 | if (p <= 0) { |
2856 | // no match. Pretend it matched a run of whitespace |
2857 | // and ignorables in the text. |
2858 | const UnicodeSet *ignorables = nullptr; |
2859 | UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(pattern.charAt(i)); |
2860 | if (patternCharIndex != UDAT_FIELD_COUNT) { |
2861 | ignorables = SimpleDateFormatStaticSets::getIgnorables(patternCharIndex); |
2862 | } |
2863 | |
2864 | for (t = textOffset; t < text.length(); t += 1) { |
2865 | char16_t ch = text.charAt(t); |
2866 | |
2867 | if (ignorables == nullptr || !ignorables->contains(ch)) { |
2868 | break; |
2869 | } |
2870 | } |
2871 | } |
2872 | |
2873 | // if we get here, we've got a complete match. |
2874 | patternOffset = i - 1; |
2875 | textOffset = t; |
2876 | |
2877 | return true; |
2878 | } |
2879 | |
2880 | //---------------------------------------------------------------------- |
2881 | // check both wide and abbrev months. |
2882 | // Does not currently handle monthPattern. |
2883 | // UCalendarDateFields field = UCAL_MONTH |
2884 | |
2885 | int32_t SimpleDateFormat::matchAlphaMonthStrings(const UnicodeString& text, |
2886 | int32_t start, |
2887 | const UnicodeString* wideData, |
2888 | const UnicodeString* shortData, |
2889 | int32_t dataCount, |
2890 | Calendar& cal) const |
2891 | { |
2892 | int32_t i; |
2893 | int32_t bestMatchLength = 0, bestMatch = -1; |
2894 | |
2895 | for (i = 0; i < dataCount; ++i) { |
2896 | int32_t matchLen = 0; |
2897 | if ((matchLen = matchStringWithOptionalDot(text, start, wideData[i])) > bestMatchLength) { |
2898 | bestMatch = i; |
2899 | bestMatchLength = matchLen; |
2900 | } |
2901 | } |
2902 | for (i = 0; i < dataCount; ++i) { |
2903 | int32_t matchLen = 0; |
2904 | if ((matchLen = matchStringWithOptionalDot(text, start, shortData[i])) > bestMatchLength) { |
2905 | bestMatch = i; |
2906 | bestMatchLength = matchLen; |
2907 | } |
2908 | } |
2909 | |
2910 | if (bestMatch >= 0) { |
2911 | // Adjustment for Hebrew Calendar month Adar II |
2912 | if (typeid(cal) == typeid(HebrewCalendar) && bestMatch==13) { |
2913 | cal.set(UCAL_MONTH,6); |
2914 | } else { |
2915 | cal.set(UCAL_MONTH, bestMatch); |
2916 | } |
2917 | return start + bestMatchLength; |
2918 | } |
2919 | |
2920 | return -start; |
2921 | } |
2922 | |
2923 | //---------------------------------------------------------------------- |
2924 | |
2925 | int32_t SimpleDateFormat::matchString(const UnicodeString& text, |
2926 | int32_t start, |
2927 | UCalendarDateFields field, |
2928 | const UnicodeString* data, |
2929 | int32_t dataCount, |
2930 | const UnicodeString* monthPattern, |
2931 | Calendar& cal) const |
2932 | { |
2933 | int32_t i = 0; |
2934 | int32_t count = dataCount; |
2935 | |
2936 | if (field == UCAL_DAY_OF_WEEK) i = 1; |
2937 | |
2938 | // There may be multiple strings in the data[] array which begin with |
2939 | // the same prefix (e.g., Cerven and Cervenec (June and July) in Czech). |
2940 | // We keep track of the longest match, and return that. Note that this |
2941 | // unfortunately requires us to test all array elements. |
2942 | // But this does not really work for cases such as Chuvash in which |
2943 | // May is "ҫу" and August is "ҫурла"/"ҫур.", hence matchAlphaMonthStrings. |
2944 | int32_t bestMatchLength = 0, bestMatch = -1; |
2945 | UnicodeString bestMatchName; |
2946 | int32_t isLeapMonth = 0; |
2947 | |
2948 | for (; i < count; ++i) { |
2949 | int32_t matchLen = 0; |
2950 | if ((matchLen = matchStringWithOptionalDot(text, start, data[i])) > bestMatchLength) { |
2951 | bestMatch = i; |
2952 | bestMatchLength = matchLen; |
2953 | } |
2954 | |
2955 | if (monthPattern != nullptr) { |
2956 | UErrorCode status = U_ZERO_ERROR; |
2957 | UnicodeString leapMonthName; |
2958 | SimpleFormatter(*monthPattern, 1, 1, status).format(data[i], leapMonthName, status); |
2959 | if (U_SUCCESS(status)) { |
2960 | if ((matchLen = matchStringWithOptionalDot(text, start, leapMonthName)) > bestMatchLength) { |
2961 | bestMatch = i; |
2962 | bestMatchLength = matchLen; |
2963 | isLeapMonth = 1; |
2964 | } |
2965 | } |
2966 | } |
2967 | } |
2968 | |
2969 | if (bestMatch >= 0) { |
2970 | if (field < UCAL_FIELD_COUNT) { |
2971 | // Adjustment for Hebrew Calendar month Adar II |
2972 | if (typeid(cal) == typeid(HebrewCalendar) && field==UCAL_MONTH && bestMatch==13) { |
2973 | cal.set(field,6); |
2974 | } else { |
2975 | if (field == UCAL_YEAR) { |
2976 | bestMatch++; // only get here for cyclic year names, which match 1-based years 1-60 |
2977 | } |
2978 | cal.set(field, bestMatch); |
2979 | } |
2980 | if (monthPattern != nullptr) { |
2981 | cal.set(UCAL_IS_LEAP_MONTH, isLeapMonth); |
2982 | } |
2983 | } |
2984 | |
2985 | return start + bestMatchLength; |
2986 | } |
2987 | |
2988 | return -start; |
2989 | } |
2990 | |
2991 | static int32_t |
2992 | matchStringWithOptionalDot(const UnicodeString &text, |
2993 | int32_t index, |
2994 | const UnicodeString &data) { |
2995 | UErrorCode sts = U_ZERO_ERROR; |
2996 | int32_t matchLenText = 0; |
2997 | int32_t matchLenData = 0; |
2998 | |
2999 | u_caseInsensitivePrefixMatchu_caseInsensitivePrefixMatch_77(text.getBuffer() + index, text.length() - index, |
3000 | data.getBuffer(), data.length(), |
3001 | 0 /* default case option */, |
3002 | &matchLenText, &matchLenData, |
3003 | &sts); |
3004 | U_ASSERT (U_SUCCESS(sts))(static_cast <bool> (U_SUCCESS(sts)) ? void (0) : __assert_fail ("U_SUCCESS(sts)", __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__)); |
3005 | |
3006 | if (matchLenData == data.length() /* normal match */ |
3007 | || (data.charAt(data.length() - 1) == 0x2e |
3008 | && matchLenData == data.length() - 1 /* match without trailing dot */)) { |
3009 | return matchLenText; |
3010 | } |
3011 | |
3012 | return 0; |
3013 | } |
3014 | |
3015 | //---------------------------------------------------------------------- |
3016 | |
3017 | void |
3018 | SimpleDateFormat::set2DigitYearStart(UDate d, UErrorCode& status) |
3019 | { |
3020 | parseAmbiguousDatesAsAfter(d, status); |
3021 | } |
3022 | |
3023 | /** |
3024 | * Private member function that converts the parsed date strings into |
3025 | * timeFields. Returns -start (for ParsePosition) if failed. |
3026 | */ |
3027 | int32_t SimpleDateFormat::subParse(const UnicodeString& text, int32_t& start, char16_t ch, int32_t count, |
3028 | UBool obeyCount, UBool allowNegative, UBool ambiguousYear[], int32_t& saveHebrewMonth, Calendar& cal, |
3029 | int32_t patLoc, MessageFormat * numericLeapMonthFormatter, UTimeZoneFormatTimeType *tzTimeType, |
3030 | int32_t *dayPeriod) const |
3031 | { |
3032 | Formattable number; |
3033 | int32_t value = 0; |
3034 | int32_t i; |
3035 | int32_t ps = 0; |
3036 | UErrorCode status = U_ZERO_ERROR; |
3037 | ParsePosition pos(0); |
3038 | UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(ch); |
3039 | const NumberFormat *currentNumberFormat; |
3040 | UnicodeString temp; |
3041 | UBool gotNumber = false; |
3042 | |
3043 | #if defined (U_DEBUG_CAL) |
3044 | //fprintf(stderr, "%s:%d - [%c] st=%d \n", __FILE__, __LINE__, (char) ch, start); |
3045 | #endif |
3046 | |
3047 | if (patternCharIndex == UDAT_FIELD_COUNT) { |
3048 | return -start; |
3049 | } |
3050 | |
3051 | currentNumberFormat = getNumberFormatByIndex(patternCharIndex); |
3052 | if (currentNumberFormat == nullptr) { |
3053 | return -start; |
3054 | } |
3055 | UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex]; // UCAL_FIELD_COUNT if irrelevant |
3056 | UnicodeString hebr("hebr", 4, US_INVicu::UnicodeString::kInvariant); |
3057 | |
3058 | if (numericLeapMonthFormatter != nullptr) { |
3059 | numericLeapMonthFormatter->setFormats(reinterpret_cast<const Format**>(¤tNumberFormat), 1); |
3060 | } |
3061 | |
3062 | // If there are any spaces here, skip over them. If we hit the end |
3063 | // of the string, then fail. |
3064 | for (;;) { |
3065 | if (start >= text.length()) { |
3066 | return -start; |
3067 | } |
3068 | UChar32 c = text.char32At(start); |
3069 | if (!u_isUWhiteSpaceu_isUWhiteSpace_77(c) /*||*/ && !PatternProps::isWhiteSpace(c)) { |
3070 | break; |
3071 | } |
3072 | start += U16_LENGTH(c)((uint32_t)(c)<=0xffff ? 1 : 2); |
3073 | } |
3074 | pos.setIndex(start); |
3075 | |
3076 | UBool isChineseCalendar = typeid(cal) == typeid(ChineseCalendar) || |
3077 | typeid(cal) == typeid(DangiCalendar); |
3078 | // We handle a few special cases here where we need to parse |
3079 | // a number value. We handle further, more generic cases below. We need |
3080 | // to handle some of them here because some fields require extra processing on |
3081 | // the parsed value. |
3082 | if (patternCharIndex == UDAT_HOUR_OF_DAY1_FIELD || // k |
3083 | patternCharIndex == UDAT_HOUR_OF_DAY0_FIELD || // H |
3084 | patternCharIndex == UDAT_HOUR1_FIELD || // h |
3085 | patternCharIndex == UDAT_HOUR0_FIELD || // K |
3086 | (patternCharIndex == UDAT_DOW_LOCAL_FIELD && count <= 2) || // e |
3087 | (patternCharIndex == UDAT_STANDALONE_DAY_FIELD && count <= 2) || // c |
3088 | (patternCharIndex == UDAT_MONTH_FIELD && count <= 2) || // M |
3089 | (patternCharIndex == UDAT_STANDALONE_MONTH_FIELD && count <= 2) || // L |
3090 | (patternCharIndex == UDAT_QUARTER_FIELD && count <= 2) || // Q |
3091 | (patternCharIndex == UDAT_STANDALONE_QUARTER_FIELD && count <= 2) || // q |
3092 | patternCharIndex == UDAT_YEAR_FIELD || // y |
3093 | patternCharIndex == UDAT_YEAR_WOY_FIELD || // Y |
3094 | patternCharIndex == UDAT_YEAR_NAME_FIELD || // U (falls back to numeric) |
3095 | (patternCharIndex == UDAT_ERA_FIELD && isChineseCalendar) || // G |
3096 | patternCharIndex == UDAT_FRACTIONAL_SECOND_FIELD) // S |
3097 | { |
3098 | int32_t parseStart = pos.getIndex(); |
3099 | // It would be good to unify this with the obeyCount logic below, |
3100 | // but that's going to be difficult. |
3101 | const UnicodeString* src; |
3102 | |
3103 | UBool parsedNumericLeapMonth = false; |
3104 | if (numericLeapMonthFormatter != nullptr && (patternCharIndex == UDAT_MONTH_FIELD || patternCharIndex == UDAT_STANDALONE_MONTH_FIELD)) { |
3105 | int32_t argCount; |
3106 | Formattable * args = numericLeapMonthFormatter->parse(text, pos, argCount); |
3107 | if (args != nullptr && argCount == 1 && pos.getIndex() > parseStart && args[0].isNumeric()) { |
3108 | parsedNumericLeapMonth = true; |
3109 | number.setLong(args[0].getLong()); |
3110 | cal.set(UCAL_IS_LEAP_MONTH, 1); |
3111 | delete[] args; |
3112 | } else { |
3113 | pos.setIndex(parseStart); |
3114 | cal.set(UCAL_IS_LEAP_MONTH, 0); |
3115 | } |
3116 | } |
3117 | |
3118 | if (!parsedNumericLeapMonth) { |
3119 | if (obeyCount) { |
3120 | if ((start+count) > text.length()) { |
3121 | return -start; |
3122 | } |
3123 | |
3124 | text.extractBetween(0, start + count, temp); |
3125 | src = &temp; |
3126 | } else { |
3127 | src = &text; |
3128 | } |
3129 | |
3130 | parseInt(*src, number, pos, allowNegative,currentNumberFormat); |
3131 | } |
3132 | |
3133 | int32_t txtLoc = pos.getIndex(); |
3134 | |
3135 | if (txtLoc > parseStart) { |
3136 | value = number.getLong(); |
3137 | gotNumber = true; |
3138 | |
3139 | // suffix processing |
3140 | if (value < 0 ) { |
3141 | txtLoc = checkIntSuffix(text, txtLoc, patLoc+1, true); |
3142 | if (txtLoc != pos.getIndex()) { |
3143 | value *= -1; |
3144 | } |
3145 | } |
3146 | else { |
3147 | txtLoc = checkIntSuffix(text, txtLoc, patLoc+1, false); |
3148 | } |
3149 | |
3150 | if (!getBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, status)) { |
3151 | // Check the range of the value |
3152 | int32_t bias = gFieldRangeBias[patternCharIndex]; |
3153 | if (bias >= 0 && (value > cal.getMaximum(field) + bias || value < cal.getMinimum(field) + bias)) { |
3154 | return -start; |
3155 | } |
3156 | } |
3157 | |
3158 | pos.setIndex(txtLoc); |
3159 | } |
3160 | } |
3161 | |
3162 | // Make sure that we got a number if |
3163 | // we want one, and didn't get one |
3164 | // if we don't want one. |
3165 | switch (patternCharIndex) { |
3166 | case UDAT_HOUR_OF_DAY1_FIELD: |
3167 | case UDAT_HOUR_OF_DAY0_FIELD: |
3168 | case UDAT_HOUR1_FIELD: |
3169 | case UDAT_HOUR0_FIELD: |
3170 | // special range check for hours: |
3171 | if (value < 0 || value > 24) { |
3172 | return -start; |
3173 | } |
3174 | |
3175 | // fall through to gotNumber check |
3176 | U_FALLTHROUGH[[clang::fallthrough]]; |
3177 | case UDAT_YEAR_FIELD: |
3178 | case UDAT_YEAR_WOY_FIELD: |
3179 | case UDAT_FRACTIONAL_SECOND_FIELD: |
3180 | // these must be a number |
3181 | if (! gotNumber) { |
3182 | return -start; |
3183 | } |
3184 | |
3185 | break; |
3186 | |
3187 | default: |
3188 | // we check the rest of the fields below. |
3189 | break; |
3190 | } |
3191 | |
3192 | switch (patternCharIndex) { |
3193 | case UDAT_ERA_FIELD: |
3194 | if (isChineseCalendar) { |
3195 | if (!gotNumber) { |
3196 | return -start; |
3197 | } |
3198 | cal.set(UCAL_ERA, value); |
3199 | return pos.getIndex(); |
3200 | } |
3201 | if (count == 5) { |
3202 | ps = matchString(text, start, UCAL_ERA, fSymbols->fNarrowEras, fSymbols->fNarrowErasCount, nullptr, cal); |
3203 | } else if (count == 4) { |
3204 | ps = matchString(text, start, UCAL_ERA, fSymbols->fEraNames, fSymbols->fEraNamesCount, nullptr, cal); |
3205 | } else { |
3206 | ps = matchString(text, start, UCAL_ERA, fSymbols->fEras, fSymbols->fErasCount, nullptr, cal); |
3207 | } |
3208 | |
3209 | // check return position, if it equals -start, then matchString error |
3210 | // special case the return code so we don't necessarily fail out until we |
3211 | // verify no year information also |
3212 | if (ps == -start) |
3213 | ps--; |
3214 | |
3215 | return ps; |
3216 | |
3217 | case UDAT_YEAR_FIELD: |
3218 | // If there are 3 or more YEAR pattern characters, this indicates |
3219 | // that the year value is to be treated literally, without any |
3220 | // two-digit year adjustments (e.g., from "01" to 2001). Otherwise |
3221 | // we made adjustments to place the 2-digit year in the proper |
3222 | // century, for parsed strings from "00" to "99". Any other string |
3223 | // is treated literally: "2250", "-1", "1", "002". |
3224 | if (fDateOverride.compare(hebr)==0 && value < 1000) { |
3225 | value += HEBREW_CAL_CUR_MILLENIUM_START_YEAR; |
3226 | } else if (text.moveIndex32(start, 2) == pos.getIndex() && !isChineseCalendar |
3227 | && u_isdigitu_isdigit_77(text.char32At(start)) |
3228 | && u_isdigitu_isdigit_77(text.char32At(text.moveIndex32(start, 1)))) |
3229 | { |
3230 | // only adjust year for patterns less than 3. |
3231 | if(count < 3) { |
3232 | // Assume for example that the defaultCenturyStart is 6/18/1903. |
3233 | // This means that two-digit years will be forced into the range |
3234 | // 6/18/1903 to 6/17/2003. As a result, years 00, 01, and 02 |
3235 | // correspond to 2000, 2001, and 2002. Years 04, 05, etc. correspond |
3236 | // to 1904, 1905, etc. If the year is 03, then it is 2003 if the |
3237 | // other fields specify a date before 6/18, or 1903 if they specify a |
3238 | // date afterwards. As a result, 03 is an ambiguous year. All other |
3239 | // two-digit years are unambiguous. |
3240 | if(fHaveDefaultCentury) { // check if this formatter even has a pivot year |
3241 | int32_t ambiguousTwoDigitYear = fDefaultCenturyStartYear % 100; |
3242 | ambiguousYear[0] = (value == ambiguousTwoDigitYear); |
3243 | value += (fDefaultCenturyStartYear/100)*100 + |
3244 | (value < ambiguousTwoDigitYear ? 100 : 0); |
3245 | } |
3246 | } |
3247 | } |
3248 | cal.set(UCAL_YEAR, value); |
3249 | |
3250 | // Delayed checking for adjustment of Hebrew month numbers in non-leap years. |
3251 | if (saveHebrewMonth >= 0) { |
3252 | HebrewCalendar *hc = (HebrewCalendar*)&cal; |
3253 | if (!hc->isLeapYear(value) && saveHebrewMonth >= 6) { |
3254 | cal.set(UCAL_MONTH,saveHebrewMonth); |
3255 | } else { |
3256 | cal.set(UCAL_MONTH,saveHebrewMonth-1); |
3257 | } |
3258 | saveHebrewMonth = -1; |
3259 | } |
3260 | return pos.getIndex(); |
3261 | |
3262 | case UDAT_YEAR_WOY_FIELD: |
3263 | // Comment is the same as for UDAT_Year_FIELDs - look above |
3264 | if (fDateOverride.compare(hebr)==0 && value < 1000) { |
3265 | value += HEBREW_CAL_CUR_MILLENIUM_START_YEAR; |
3266 | } else if (text.moveIndex32(start, 2) == pos.getIndex() |
3267 | && u_isdigitu_isdigit_77(text.char32At(start)) |
3268 | && u_isdigitu_isdigit_77(text.char32At(text.moveIndex32(start, 1))) |
3269 | && fHaveDefaultCentury ) |
3270 | { |
3271 | int32_t ambiguousTwoDigitYear = fDefaultCenturyStartYear % 100; |
3272 | ambiguousYear[0] = (value == ambiguousTwoDigitYear); |
3273 | value += (fDefaultCenturyStartYear/100)*100 + |
3274 | (value < ambiguousTwoDigitYear ? 100 : 0); |
3275 | } |
3276 | cal.set(UCAL_YEAR_WOY, value); |
3277 | return pos.getIndex(); |
3278 | |
3279 | case UDAT_YEAR_NAME_FIELD: |
3280 | if (fSymbols->fShortYearNames != nullptr) { |
3281 | int32_t newStart = matchString(text, start, UCAL_YEAR, fSymbols->fShortYearNames, fSymbols->fShortYearNamesCount, nullptr, cal); |
3282 | if (newStart > 0) { |
3283 | return newStart; |
3284 | } |
3285 | } |
3286 | if (gotNumber && (getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC,status) || value > fSymbols->fShortYearNamesCount)) { |
3287 | cal.set(UCAL_YEAR, value); |
3288 | return pos.getIndex(); |
3289 | } |
3290 | return -start; |
3291 | |
3292 | case UDAT_MONTH_FIELD: |
3293 | case UDAT_STANDALONE_MONTH_FIELD: |
3294 | if (gotNumber) // i.e., M or MM. |
3295 | { |
3296 | // When parsing month numbers from the Hebrew Calendar, we might need to adjust the month depending on whether |
3297 | // or not it was a leap year. We may or may not yet know what year it is, so might have to delay checking until |
3298 | // the year is parsed. |
3299 | if (typeid(cal) == typeid(HebrewCalendar)) { |
3300 | HebrewCalendar *hc = (HebrewCalendar*)&cal; |
3301 | if (cal.isSet(UCAL_YEAR)) { |
3302 | UErrorCode monthStatus = U_ZERO_ERROR; |
3303 | if (!hc->isLeapYear(hc->get(UCAL_YEAR, monthStatus)) && value >= 6) { |
3304 | cal.set(UCAL_MONTH, value); |
3305 | } else { |
3306 | cal.set(UCAL_MONTH, value - 1); |
3307 | } |
3308 | } else { |
3309 | saveHebrewMonth = value; |
3310 | } |
3311 | } else { |
3312 | // Don't want to parse the month if it is a string |
3313 | // while pattern uses numeric style: M/MM, L/LL |
3314 | // [We computed 'value' above.] |
3315 | cal.set(UCAL_MONTH, value - 1); |
3316 | } |
3317 | return pos.getIndex(); |
3318 | } else { |
3319 | // count >= 3 // i.e., MMM/MMMM, LLL/LLLL |
3320 | // Want to be able to parse both short and long forms. |
3321 | // Try count == 4 first: |
3322 | UnicodeString * wideMonthPat = nullptr; |
3323 | UnicodeString * shortMonthPat = nullptr; |
3324 | if (fSymbols->fLeapMonthPatterns != nullptr && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount) { |
3325 | if (patternCharIndex==UDAT_MONTH_FIELD) { |
3326 | wideMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatWide]; |
3327 | shortMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatAbbrev]; |
3328 | } else { |
3329 | wideMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneWide]; |
3330 | shortMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneAbbrev]; |
3331 | } |
3332 | } |
3333 | int32_t newStart = 0; |
3334 | if (patternCharIndex==UDAT_MONTH_FIELD) { |
3335 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) && count>=3 && count <=4 && |
3336 | fSymbols->fLeapMonthPatterns==nullptr && fSymbols->fMonthsCount==fSymbols->fShortMonthsCount) { |
3337 | // single function to check both wide and short, an experiment |
3338 | newStart = matchAlphaMonthStrings(text, start, fSymbols->fMonths, fSymbols->fShortMonths, fSymbols->fMonthsCount, cal); // try MMMM,MMM |
3339 | if (newStart > 0) { |
3340 | return newStart; |
3341 | } |
3342 | } |
3343 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) { |
3344 | newStart = matchString(text, start, UCAL_MONTH, fSymbols->fMonths, fSymbols->fMonthsCount, wideMonthPat, cal); // try MMMM |
3345 | if (newStart > 0) { |
3346 | return newStart; |
3347 | } |
3348 | } |
3349 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { |
3350 | newStart = matchString(text, start, UCAL_MONTH, fSymbols->fShortMonths, fSymbols->fShortMonthsCount, shortMonthPat, cal); // try MMM |
3351 | } |
3352 | } else { |
3353 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) && count>=3 && count <=4 && |
3354 | fSymbols->fLeapMonthPatterns==nullptr && fSymbols->fStandaloneMonthsCount==fSymbols->fStandaloneShortMonthsCount) { |
3355 | // single function to check both wide and short, an experiment |
3356 | newStart = matchAlphaMonthStrings(text, start, fSymbols->fStandaloneMonths, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneMonthsCount, cal); // try MMMM,MMM |
3357 | if (newStart > 0) { |
3358 | return newStart; |
3359 | } |
3360 | } |
3361 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) { |
3362 | newStart = matchString(text, start, UCAL_MONTH, fSymbols->fStandaloneMonths, fSymbols->fStandaloneMonthsCount, wideMonthPat, cal); // try LLLL |
3363 | if (newStart > 0) { |
3364 | return newStart; |
3365 | } |
3366 | } |
3367 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { |
3368 | newStart = matchString(text, start, UCAL_MONTH, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneShortMonthsCount, shortMonthPat, cal); // try LLL |
3369 | } |
3370 | } |
3371 | if (newStart > 0 || !getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) // currently we do not try to parse MMMMM/LLLLL: #8860 |
3372 | return newStart; |
3373 | // else we allowing parsing as number, below |
3374 | } |
3375 | break; |
3376 | |
3377 | case UDAT_HOUR_OF_DAY1_FIELD: |
3378 | // [We computed 'value' above.] |
3379 | if (value == cal.getMaximum(UCAL_HOUR_OF_DAY) + 1) |
3380 | value = 0; |
3381 | |
3382 | // fall through to set field |
3383 | U_FALLTHROUGH[[clang::fallthrough]]; |
3384 | case UDAT_HOUR_OF_DAY0_FIELD: |
3385 | cal.set(UCAL_HOUR_OF_DAY, value); |
3386 | return pos.getIndex(); |
3387 | |
3388 | case UDAT_FRACTIONAL_SECOND_FIELD: |
3389 | // Fractional seconds left-justify |
3390 | i = countDigits(text, start, pos.getIndex()); |
3391 | if (i < 3) { |
3392 | while (i < 3) { |
3393 | value *= 10; |
3394 | i++; |
3395 | } |
3396 | } else { |
3397 | int32_t a = 1; |
3398 | while (i > 3) { |
3399 | a *= 10; |
3400 | i--; |
3401 | } |
3402 | value /= a; |
3403 | } |
3404 | cal.set(UCAL_MILLISECOND, value); |
3405 | return pos.getIndex(); |
3406 | |
3407 | case UDAT_DOW_LOCAL_FIELD: |
3408 | if (gotNumber) // i.e., e or ee |
3409 | { |
3410 | // [We computed 'value' above.] |
3411 | cal.set(UCAL_DOW_LOCAL, value); |
3412 | return pos.getIndex(); |
3413 | } |
3414 | // else for eee-eeeee fall through to handling of EEE-EEEEE |
3415 | // fall through, do not break here |
3416 | U_FALLTHROUGH[[clang::fallthrough]]; |
3417 | case UDAT_DAY_OF_WEEK_FIELD: |
3418 | { |
3419 | // Want to be able to parse both short and long forms. |
3420 | // Try count == 4 (EEEE) wide first: |
3421 | int32_t newStart = 0; |
3422 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) { |
3423 | if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, |
3424 | fSymbols->fWeekdays, fSymbols->fWeekdaysCount, nullptr, cal)) > 0) |
3425 | return newStart; |
3426 | } |
3427 | // EEEE wide failed, now try EEE abbreviated |
3428 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { |
3429 | if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, |
3430 | fSymbols->fShortWeekdays, fSymbols->fShortWeekdaysCount, nullptr, cal)) > 0) |
3431 | return newStart; |
3432 | } |
3433 | // EEE abbreviated failed, now try EEEEEE short |
3434 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 6) { |
3435 | if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, |
3436 | fSymbols->fShorterWeekdays, fSymbols->fShorterWeekdaysCount, nullptr, cal)) > 0) |
3437 | return newStart; |
3438 | } |
3439 | // EEEEEE short failed, now try EEEEE narrow |
3440 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 5) { |
3441 | if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, |
3442 | fSymbols->fNarrowWeekdays, fSymbols->fNarrowWeekdaysCount, nullptr, cal)) > 0) |
3443 | return newStart; |
3444 | } |
3445 | if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status) || patternCharIndex == UDAT_DAY_OF_WEEK_FIELD) |
3446 | return newStart; |
3447 | // else we allowing parsing as number, below |
3448 | } |
3449 | break; |
3450 | |
3451 | case UDAT_STANDALONE_DAY_FIELD: |
3452 | { |
3453 | if (gotNumber) // c or cc |
3454 | { |
3455 | // [We computed 'value' above.] |
3456 | cal.set(UCAL_DOW_LOCAL, value); |
3457 | return pos.getIndex(); |
3458 | } |
3459 | // Want to be able to parse both short and long forms. |
3460 | // Try count == 4 (cccc) first: |
3461 | int32_t newStart = 0; |
3462 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) { |
3463 | if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, |
3464 | fSymbols->fStandaloneWeekdays, fSymbols->fStandaloneWeekdaysCount, nullptr, cal)) > 0) |
3465 | return newStart; |
3466 | } |
3467 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { |
3468 | if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, |
3469 | fSymbols->fStandaloneShortWeekdays, fSymbols->fStandaloneShortWeekdaysCount, nullptr, cal)) > 0) |
3470 | return newStart; |
3471 | } |
3472 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 6) { |
3473 | if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK, |
3474 | fSymbols->fStandaloneShorterWeekdays, fSymbols->fStandaloneShorterWeekdaysCount, nullptr, cal)) > 0) |
3475 | return newStart; |
3476 | } |
3477 | if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) |
3478 | return newStart; |
3479 | // else we allowing parsing as number, below |
3480 | } |
3481 | break; |
3482 | |
3483 | case UDAT_AM_PM_FIELD: |
3484 | { |
3485 | // optionally try both wide/abbrev and narrow forms |
3486 | int32_t newStart = 0; |
3487 | // try wide/abbrev |
3488 | if( getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count < 5 ) { |
3489 | if ((newStart = matchString(text, start, UCAL_AM_PM, fSymbols->fAmPms, fSymbols->fAmPmsCount, nullptr, cal)) > 0) { |
3490 | return newStart; |
3491 | } |
3492 | } |
3493 | // try narrow |
3494 | if( getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count >= 5 ) { |
3495 | if ((newStart = matchString(text, start, UCAL_AM_PM, fSymbols->fNarrowAmPms, fSymbols->fNarrowAmPmsCount, nullptr, cal)) > 0) { |
3496 | return newStart; |
3497 | } |
3498 | } |
3499 | // no matches for given options |
3500 | return -start; |
3501 | } |
3502 | |
3503 | case UDAT_HOUR1_FIELD: |
3504 | // [We computed 'value' above.] |
3505 | if (value == cal.getLeastMaximum(UCAL_HOUR)+1) |
3506 | value = 0; |
3507 | |
3508 | // fall through to set field |
3509 | U_FALLTHROUGH[[clang::fallthrough]]; |
3510 | case UDAT_HOUR0_FIELD: |
3511 | cal.set(UCAL_HOUR, value); |
3512 | return pos.getIndex(); |
3513 | |
3514 | case UDAT_QUARTER_FIELD: |
3515 | if (gotNumber) // i.e., Q or QQ. |
3516 | { |
3517 | // Don't want to parse the month if it is a string |
3518 | // while pattern uses numeric style: Q or QQ. |
3519 | // [We computed 'value' above.] |
3520 | cal.set(UCAL_MONTH, (value - 1) * 3); |
3521 | return pos.getIndex(); |
3522 | } else { |
3523 | // count >= 3 // i.e., QQQ or QQQQ |
3524 | // Want to be able to parse short, long, and narrow forms. |
3525 | // Try count == 4 first: |
3526 | int32_t newStart = 0; |
3527 | |
3528 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) { |
3529 | if ((newStart = matchQuarterString(text, start, UCAL_MONTH, |
3530 | fSymbols->fQuarters, fSymbols->fQuartersCount, cal)) > 0) |
3531 | return newStart; |
3532 | } |
3533 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { |
3534 | if ((newStart = matchQuarterString(text, start, UCAL_MONTH, |
3535 | fSymbols->fShortQuarters, fSymbols->fShortQuartersCount, cal)) > 0) |
3536 | return newStart; |
3537 | } |
3538 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 5) { |
3539 | if ((newStart = matchQuarterString(text, start, UCAL_MONTH, |
3540 | fSymbols->fNarrowQuarters, fSymbols->fNarrowQuartersCount, cal)) > 0) |
3541 | return newStart; |
3542 | } |
3543 | if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) |
3544 | return newStart; |
3545 | // else we allowing parsing as number, below |
3546 | if(!getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status)) |
3547 | return -start; |
3548 | } |
3549 | break; |
3550 | |
3551 | case UDAT_STANDALONE_QUARTER_FIELD: |
3552 | if (gotNumber) // i.e., q or qq. |
3553 | { |
3554 | // Don't want to parse the month if it is a string |
3555 | // while pattern uses numeric style: q or q. |
3556 | // [We computed 'value' above.] |
3557 | cal.set(UCAL_MONTH, (value - 1) * 3); |
3558 | return pos.getIndex(); |
3559 | } else { |
3560 | // count >= 3 // i.e., qqq or qqqq |
3561 | // Want to be able to parse both short and long forms. |
3562 | // Try count == 4 first: |
3563 | int32_t newStart = 0; |
3564 | |
3565 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) { |
3566 | if ((newStart = matchQuarterString(text, start, UCAL_MONTH, |
3567 | fSymbols->fStandaloneQuarters, fSymbols->fStandaloneQuartersCount, cal)) > 0) |
3568 | return newStart; |
3569 | } |
3570 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { |
3571 | if ((newStart = matchQuarterString(text, start, UCAL_MONTH, |
3572 | fSymbols->fStandaloneShortQuarters, fSymbols->fStandaloneShortQuartersCount, cal)) > 0) |
3573 | return newStart; |
3574 | } |
3575 | if(getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 5) { |
3576 | if ((newStart = matchQuarterString(text, start, UCAL_MONTH, |
3577 | fSymbols->fStandaloneNarrowQuarters, fSymbols->fStandaloneNarrowQuartersCount, cal)) > 0) |
3578 | return newStart; |
3579 | } |
3580 | if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) |
3581 | return newStart; |
3582 | // else we allowing parsing as number, below |
3583 | if(!getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status)) |
3584 | return -start; |
3585 | } |
3586 | break; |
3587 | |
3588 | case UDAT_TIMEZONE_FIELD: // 'z' |
3589 | { |
3590 | UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_SPECIFIC_SHORT : UTZFMT_STYLE_SPECIFIC_LONG; |
3591 | const TimeZoneFormat *tzfmt = tzFormat(status); |
3592 | if (U_SUCCESS(status)) { |
3593 | TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType); |
3594 | if (tz != nullptr) { |
3595 | cal.adoptTimeZone(tz); |
3596 | return pos.getIndex(); |
3597 | } |
3598 | } |
3599 | return -start; |
3600 | } |
3601 | break; |
3602 | case UDAT_TIMEZONE_RFC_FIELD: // 'Z' |
3603 | { |
3604 | UTimeZoneFormatStyle style = (count < 4) ? |
3605 | UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL : ((count == 5) ? UTZFMT_STYLE_ISO_EXTENDED_FULL: UTZFMT_STYLE_LOCALIZED_GMT); |
3606 | const TimeZoneFormat *tzfmt = tzFormat(status); |
3607 | if (U_SUCCESS(status)) { |
3608 | TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType); |
3609 | if (tz != nullptr) { |
3610 | cal.adoptTimeZone(tz); |
3611 | return pos.getIndex(); |
3612 | } |
3613 | } |
3614 | return -start; |
3615 | } |
3616 | case UDAT_TIMEZONE_GENERIC_FIELD: // 'v' |
3617 | { |
3618 | UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_GENERIC_SHORT : UTZFMT_STYLE_GENERIC_LONG; |
3619 | const TimeZoneFormat *tzfmt = tzFormat(status); |
3620 | if (U_SUCCESS(status)) { |
3621 | TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType); |
3622 | if (tz != nullptr) { |
3623 | cal.adoptTimeZone(tz); |
3624 | return pos.getIndex(); |
3625 | } |
3626 | } |
3627 | return -start; |
3628 | } |
3629 | case UDAT_TIMEZONE_SPECIAL_FIELD: // 'V' |
3630 | { |
3631 | UTimeZoneFormatStyle style; |
3632 | switch (count) { |
3633 | case 1: |
3634 | style = UTZFMT_STYLE_ZONE_ID_SHORT; |
3635 | break; |
3636 | case 2: |
3637 | style = UTZFMT_STYLE_ZONE_ID; |
3638 | break; |
3639 | case 3: |
3640 | style = UTZFMT_STYLE_EXEMPLAR_LOCATION; |
3641 | break; |
3642 | default: |
3643 | style = UTZFMT_STYLE_GENERIC_LOCATION; |
3644 | break; |
3645 | } |
3646 | const TimeZoneFormat *tzfmt = tzFormat(status); |
3647 | if (U_SUCCESS(status)) { |
3648 | TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType); |
3649 | if (tz != nullptr) { |
3650 | cal.adoptTimeZone(tz); |
3651 | return pos.getIndex(); |
3652 | } |
3653 | } |
3654 | return -start; |
3655 | } |
3656 | case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD: // 'O' |
3657 | { |
3658 | UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_LOCALIZED_GMT_SHORT : UTZFMT_STYLE_LOCALIZED_GMT; |
3659 | const TimeZoneFormat *tzfmt = tzFormat(status); |
3660 | if (U_SUCCESS(status)) { |
3661 | TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType); |
3662 | if (tz != nullptr) { |
3663 | cal.adoptTimeZone(tz); |
3664 | return pos.getIndex(); |
3665 | } |
3666 | } |
3667 | return -start; |
3668 | } |
3669 | case UDAT_TIMEZONE_ISO_FIELD: // 'X' |
3670 | { |
3671 | UTimeZoneFormatStyle style; |
3672 | switch (count) { |
3673 | case 1: |
3674 | style = UTZFMT_STYLE_ISO_BASIC_SHORT; |
3675 | break; |
3676 | case 2: |
3677 | style = UTZFMT_STYLE_ISO_BASIC_FIXED; |
3678 | break; |
3679 | case 3: |
3680 | style = UTZFMT_STYLE_ISO_EXTENDED_FIXED; |
3681 | break; |
3682 | case 4: |
3683 | style = UTZFMT_STYLE_ISO_BASIC_FULL; |
3684 | break; |
3685 | default: |
3686 | style = UTZFMT_STYLE_ISO_EXTENDED_FULL; |
3687 | break; |
3688 | } |
3689 | const TimeZoneFormat *tzfmt = tzFormat(status); |
3690 | if (U_SUCCESS(status)) { |
3691 | TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType); |
3692 | if (tz != nullptr) { |
3693 | cal.adoptTimeZone(tz); |
3694 | return pos.getIndex(); |
3695 | } |
3696 | } |
3697 | return -start; |
3698 | } |
3699 | case UDAT_TIMEZONE_ISO_LOCAL_FIELD: // 'x' |
3700 | { |
3701 | UTimeZoneFormatStyle style; |
3702 | switch (count) { |
3703 | case 1: |
3704 | style = UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT; |
3705 | break; |
3706 | case 2: |
3707 | style = UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED; |
3708 | break; |
3709 | case 3: |
3710 | style = UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED; |
3711 | break; |
3712 | case 4: |
3713 | style = UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL; |
3714 | break; |
3715 | default: |
3716 | style = UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL; |
3717 | break; |
3718 | } |
3719 | const TimeZoneFormat *tzfmt = tzFormat(status); |
3720 | if (U_SUCCESS(status)) { |
3721 | TimeZone *tz = tzfmt->parse(style, text, pos, tzTimeType); |
3722 | if (tz != nullptr) { |
3723 | cal.adoptTimeZone(tz); |
3724 | return pos.getIndex(); |
3725 | } |
3726 | } |
3727 | return -start; |
3728 | } |
3729 | // currently no pattern character is defined for UDAT_TIME_SEPARATOR_FIELD |
3730 | // so we should not get here. Leave support in for future definition. |
3731 | case UDAT_TIME_SEPARATOR_FIELD: |
3732 | { |
3733 | static const char16_t def_sep = DateFormatSymbols::DEFAULT_TIME_SEPARATOR; |
3734 | static const char16_t alt_sep = DateFormatSymbols::ALTERNATE_TIME_SEPARATOR; |
3735 | |
3736 | // Try matching a time separator. |
3737 | int32_t count_sep = 1; |
3738 | UnicodeString data[3]; |
3739 | fSymbols->getTimeSeparatorString(data[0]); |
3740 | |
3741 | // Add the default, if different from the locale. |
3742 | if (data[0].compare(&def_sep, 1) != 0) { |
3743 | data[count_sep++].setTo(def_sep); |
3744 | } |
3745 | |
3746 | // If lenient, add also the alternate, if different from the locale. |
3747 | if (isLenient() && data[0].compare(&alt_sep, 1) != 0) { |
3748 | data[count_sep++].setTo(alt_sep); |
3749 | } |
3750 | |
3751 | return matchString(text, start, UCAL_FIELD_COUNT /* => nothing to set */, data, count_sep, nullptr, cal); |
3752 | } |
3753 | |
3754 | case UDAT_AM_PM_MIDNIGHT_NOON_FIELD: |
3755 | { |
3756 | U_ASSERT(dayPeriod != nullptr)(static_cast <bool> (dayPeriod != nullptr) ? void (0) : __assert_fail ("dayPeriod != nullptr", __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__)); |
3757 | int32_t ampmStart = subParse(text, start, 0x61, count, |
3758 | obeyCount, allowNegative, ambiguousYear, saveHebrewMonth, cal, |
3759 | patLoc, numericLeapMonthFormatter, tzTimeType); |
3760 | |
3761 | if (ampmStart > 0) { |
3762 | return ampmStart; |
3763 | } else { |
3764 | int32_t newStart = 0; |
3765 | |
3766 | // Only match the first two strings from the day period strings array. |
3767 | if (getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { |
3768 | if ((newStart = matchDayPeriodStrings(text, start, fSymbols->fAbbreviatedDayPeriods, |
3769 | 2, *dayPeriod)) > 0) { |
3770 | return newStart; |
3771 | } |
3772 | } |
3773 | if (getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 5) { |
3774 | if ((newStart = matchDayPeriodStrings(text, start, fSymbols->fNarrowDayPeriods, |
3775 | 2, *dayPeriod)) > 0) { |
3776 | return newStart; |
3777 | } |
3778 | } |
3779 | // count == 4, but allow other counts |
3780 | if (getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status)) { |
3781 | if ((newStart = matchDayPeriodStrings(text, start, fSymbols->fWideDayPeriods, |
3782 | 2, *dayPeriod)) > 0) { |
3783 | return newStart; |
3784 | } |
3785 | } |
3786 | |
3787 | return -start; |
3788 | } |
3789 | } |
3790 | |
3791 | case UDAT_FLEXIBLE_DAY_PERIOD_FIELD: |
3792 | { |
3793 | U_ASSERT(dayPeriod != nullptr)(static_cast <bool> (dayPeriod != nullptr) ? void (0) : __assert_fail ("dayPeriod != nullptr", __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__)); |
3794 | int32_t newStart = 0; |
3795 | |
3796 | if (getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 3) { |
3797 | if ((newStart = matchDayPeriodStrings(text, start, fSymbols->fAbbreviatedDayPeriods, |
3798 | fSymbols->fAbbreviatedDayPeriodsCount, *dayPeriod)) > 0) { |
3799 | return newStart; |
3800 | } |
3801 | } |
3802 | if (getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 5) { |
3803 | if ((newStart = matchDayPeriodStrings(text, start, fSymbols->fNarrowDayPeriods, |
3804 | fSymbols->fNarrowDayPeriodsCount, *dayPeriod)) > 0) { |
3805 | return newStart; |
3806 | } |
3807 | } |
3808 | if (getBooleanAttribute(UDAT_PARSE_MULTIPLE_PATTERNS_FOR_MATCH, status) || count == 4) { |
3809 | if ((newStart = matchDayPeriodStrings(text, start, fSymbols->fWideDayPeriods, |
3810 | fSymbols->fWideDayPeriodsCount, *dayPeriod)) > 0) { |
3811 | return newStart; |
3812 | } |
3813 | } |
3814 | |
3815 | return -start; |
3816 | } |
3817 | |
3818 | default: |
3819 | // Handle "generic" fields |
3820 | // this is now handled below, outside the switch block |
3821 | break; |
3822 | } |
3823 | // Handle "generic" fields: |
3824 | // switch default case now handled here (outside switch block) to allow |
3825 | // parsing of some string fields as digits for lenient case |
3826 | |
3827 | int32_t parseStart = pos.getIndex(); |
3828 | const UnicodeString* src; |
3829 | if (obeyCount) { |
3830 | if ((start+count) > text.length()) { |
3831 | return -start; |
3832 | } |
3833 | text.extractBetween(0, start + count, temp); |
3834 | src = &temp; |
3835 | } else { |
3836 | src = &text; |
3837 | } |
3838 | parseInt(*src, number, pos, allowNegative,currentNumberFormat); |
3839 | if (obeyCount && !isLenient() && pos.getIndex() < start + count) { |
3840 | return -start; |
3841 | } |
3842 | if (pos.getIndex() != parseStart) { |
3843 | int32_t val = number.getLong(); |
3844 | |
3845 | // Don't need suffix processing here (as in number processing at the beginning of the function); |
3846 | // the new fields being handled as numeric values (month, weekdays, quarters) should not have suffixes. |
3847 | |
3848 | if (!getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status)) { |
3849 | // Check the range of the value |
3850 | int32_t bias = gFieldRangeBias[patternCharIndex]; |
3851 | if (bias >= 0 && (val > cal.getMaximum(field) + bias || val < cal.getMinimum(field) + bias)) { |
3852 | return -start; |
3853 | } |
3854 | } |
3855 | |
3856 | // For the following, need to repeat some of the "if (gotNumber)" code above: |
3857 | // UDAT_[STANDALONE_]MONTH_FIELD, UDAT_DOW_LOCAL_FIELD, UDAT_STANDALONE_DAY_FIELD, |
3858 | // UDAT_[STANDALONE_]QUARTER_FIELD |
3859 | switch (patternCharIndex) { |
3860 | case UDAT_MONTH_FIELD: |
3861 | // See notes under UDAT_MONTH_FIELD case above |
3862 | if (typeid(cal) == typeid(HebrewCalendar)) { |
3863 | HebrewCalendar *hc = (HebrewCalendar*)&cal; |
3864 | if (cal.isSet(UCAL_YEAR)) { |
3865 | UErrorCode monthStatus = U_ZERO_ERROR; |
3866 | if (!hc->isLeapYear(hc->get(UCAL_YEAR, monthStatus)) && val >= 6) { |
3867 | cal.set(UCAL_MONTH, val); |
3868 | } else { |
3869 | cal.set(UCAL_MONTH, val - 1); |
3870 | } |
3871 | } else { |
3872 | saveHebrewMonth = val; |
3873 | } |
3874 | } else { |
3875 | cal.set(UCAL_MONTH, val - 1); |
3876 | } |
3877 | break; |
3878 | case UDAT_STANDALONE_MONTH_FIELD: |
3879 | cal.set(UCAL_MONTH, val - 1); |
3880 | break; |
3881 | case UDAT_DOW_LOCAL_FIELD: |
3882 | case UDAT_STANDALONE_DAY_FIELD: |
3883 | cal.set(UCAL_DOW_LOCAL, val); |
3884 | break; |
3885 | case UDAT_QUARTER_FIELD: |
3886 | case UDAT_STANDALONE_QUARTER_FIELD: |
3887 | cal.set(UCAL_MONTH, (val - 1) * 3); |
3888 | break; |
3889 | case UDAT_RELATED_YEAR_FIELD: |
3890 | cal.setRelatedYear(val); |
3891 | break; |
3892 | default: |
3893 | cal.set(field, val); |
3894 | break; |
3895 | } |
3896 | return pos.getIndex(); |
3897 | } |
3898 | return -start; |
3899 | } |
3900 | |
3901 | /** |
3902 | * Parse an integer using fNumberFormat. This method is semantically |
3903 | * const, but actually may modify fNumberFormat. |
3904 | */ |
3905 | void SimpleDateFormat::parseInt(const UnicodeString& text, |
3906 | Formattable& number, |
3907 | ParsePosition& pos, |
3908 | UBool allowNegative, |
3909 | const NumberFormat *fmt) const { |
3910 | parseInt(text, number, -1, pos, allowNegative,fmt); |
3911 | } |
3912 | |
3913 | /** |
3914 | * Parse an integer using fNumberFormat up to maxDigits. |
3915 | */ |
3916 | void SimpleDateFormat::parseInt(const UnicodeString& text, |
3917 | Formattable& number, |
3918 | int32_t maxDigits, |
3919 | ParsePosition& pos, |
3920 | UBool allowNegative, |
3921 | const NumberFormat *fmt) const { |
3922 | UnicodeString oldPrefix; |
3923 | const auto* fmtAsDF = dynamic_cast<const DecimalFormat*>(fmt); |
3924 | LocalPointer<DecimalFormat> df; |
3925 | if (!allowNegative && fmtAsDF != nullptr) { |
3926 | df.adoptInstead(fmtAsDF->clone()); |
3927 | if (df.isNull()) { |
3928 | // Memory allocation error |
3929 | return; |
3930 | } |
3931 | df->setNegativePrefix(UnicodeString(true, SUPPRESS_NEGATIVE_PREFIX, -1)); |
3932 | fmt = df.getAlias(); |
3933 | } |
3934 | int32_t oldPos = pos.getIndex(); |
3935 | fmt->parse(text, number, pos); |
3936 | |
3937 | if (maxDigits > 0) { |
3938 | // adjust the result to fit into |
3939 | // the maxDigits and move the position back |
3940 | int32_t nDigits = pos.getIndex() - oldPos; |
3941 | if (nDigits > maxDigits) { |
3942 | int32_t val = number.getLong(); |
3943 | nDigits -= maxDigits; |
3944 | while (nDigits > 0) { |
3945 | val /= 10; |
3946 | nDigits--; |
3947 | } |
3948 | pos.setIndex(oldPos + maxDigits); |
3949 | number.setLong(val); |
3950 | } |
3951 | } |
3952 | } |
3953 | |
3954 | int32_t SimpleDateFormat::countDigits(const UnicodeString& text, int32_t start, int32_t end) const { |
3955 | int32_t numDigits = 0; |
3956 | int32_t idx = start; |
3957 | while (idx < end) { |
3958 | UChar32 cp = text.char32At(idx); |
3959 | if (u_isdigitu_isdigit_77(cp)) { |
3960 | numDigits++; |
3961 | } |
3962 | idx += U16_LENGTH(cp)((uint32_t)(cp)<=0xffff ? 1 : 2); |
3963 | } |
3964 | return numDigits; |
3965 | } |
3966 | |
3967 | //---------------------------------------------------------------------- |
3968 | |
3969 | void SimpleDateFormat::translatePattern(const UnicodeString& originalPattern, |
3970 | UnicodeString& translatedPattern, |
3971 | const UnicodeString& from, |
3972 | const UnicodeString& to, |
3973 | UErrorCode& status) |
3974 | { |
3975 | // run through the pattern and convert any pattern symbols from the version |
3976 | // in "from" to the corresponding character in "to". This code takes |
3977 | // quoted strings into account (it doesn't try to translate them), and it signals |
3978 | // an error if a particular "pattern character" doesn't appear in "from". |
3979 | // Depending on the values of "from" and "to" this can convert from generic |
3980 | // to localized patterns or localized to generic. |
3981 | if (U_FAILURE(status)) { |
3982 | return; |
3983 | } |
3984 | |
3985 | translatedPattern.remove(); |
3986 | UBool inQuote = false; |
3987 | for (int32_t i = 0; i < originalPattern.length(); ++i) { |
3988 | char16_t c = originalPattern[i]; |
3989 | if (inQuote) { |
3990 | if (c == QUOTE) { |
3991 | inQuote = false; |
3992 | } |
3993 | } else { |
3994 | if (c == QUOTE) { |
3995 | inQuote = true; |
3996 | } else if (isSyntaxChar(c)) { |
3997 | int32_t ci = from.indexOf(c); |
3998 | if (ci == -1) { |
3999 | status = U_INVALID_FORMAT_ERROR; |
4000 | return; |
4001 | } |
4002 | c = to[ci]; |
4003 | } |
4004 | } |
4005 | translatedPattern += c; |
4006 | } |
4007 | if (inQuote) { |
4008 | status = U_INVALID_FORMAT_ERROR; |
4009 | return; |
4010 | } |
4011 | } |
4012 | |
4013 | //---------------------------------------------------------------------- |
4014 | |
4015 | UnicodeString& |
4016 | SimpleDateFormat::toPattern(UnicodeString& result) const |
4017 | { |
4018 | result = fPattern; |
4019 | return result; |
4020 | } |
4021 | |
4022 | //---------------------------------------------------------------------- |
4023 | |
4024 | UnicodeString& |
4025 | SimpleDateFormat::toLocalizedPattern(UnicodeString& result, |
4026 | UErrorCode& status) const |
4027 | { |
4028 | translatePattern(fPattern, result, |
4029 | UnicodeString(DateFormatSymbols::getPatternUChars()), |
4030 | fSymbols->fLocalPatternChars, status); |
4031 | return result; |
4032 | } |
4033 | |
4034 | //---------------------------------------------------------------------- |
4035 | |
4036 | void |
4037 | SimpleDateFormat::applyPattern(const UnicodeString& pattern) |
4038 | { |
4039 | fPattern = pattern; |
4040 | parsePattern(); |
4041 | |
4042 | // Hack to update use of Gannen year numbering for ja@calendar=japanese - |
4043 | // use only if format is non-numeric (includes 年) and no other fDateOverride. |
4044 | if (fCalendar != nullptr && typeid(*fCalendar) == typeid(JapaneseCalendar) && |
4045 | uprv_strcmp(fLocale.getLanguage(),"ja"):: strcmp(fLocale.getLanguage(), "ja") == 0) { |
4046 | if (fDateOverride==UnicodeString(u"y=jpanyear") && !fHasHanYearChar) { |
4047 | // Gannen numbering is set but new pattern should not use it, unset; |
4048 | // use procedure from adoptNumberFormat to clear overrides |
4049 | if (fSharedNumberFormatters) { |
4050 | freeSharedNumberFormatters(fSharedNumberFormatters); |
4051 | fSharedNumberFormatters = nullptr; |
4052 | } |
4053 | fDateOverride.setToBogus(); // record status |
4054 | } else if (fDateOverride.isBogus() && fHasHanYearChar) { |
4055 | // No current override (=> no Gannen numbering) but new pattern needs it; |
4056 | // use procedures from initNUmberFormatters / adoptNumberFormat |
4057 | umtx_lockumtx_lock_77(&LOCK); |
4058 | if (fSharedNumberFormatters == nullptr) { |
4059 | fSharedNumberFormatters = allocSharedNumberFormatters(); |
4060 | } |
4061 | umtx_unlockumtx_unlock_77(&LOCK); |
4062 | if (fSharedNumberFormatters != nullptr) { |
4063 | Locale ovrLoc(fLocale.getLanguage(),fLocale.getCountry(),fLocale.getVariant(),"numbers=jpanyear"); |
4064 | UErrorCode status = U_ZERO_ERROR; |
4065 | const SharedNumberFormat *snf = createSharedNumberFormat(ovrLoc, status); |
4066 | if (U_SUCCESS(status)) { |
4067 | // Now that we have an appropriate number formatter, fill in the |
4068 | // appropriate slot in the number formatters table. |
4069 | UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(u'y'); |
4070 | SharedObject::copyPtr(snf, fSharedNumberFormatters[patternCharIndex]); |
4071 | snf->deleteIfZeroRefCount(); |
4072 | fDateOverride.setTo(u"y=jpanyear", -1); // record status |
4073 | } |
4074 | } |
4075 | } |
4076 | } |
4077 | } |
4078 | |
4079 | //---------------------------------------------------------------------- |
4080 | |
4081 | void |
4082 | SimpleDateFormat::applyLocalizedPattern(const UnicodeString& pattern, |
4083 | UErrorCode &status) |
4084 | { |
4085 | translatePattern(pattern, fPattern, |
4086 | fSymbols->fLocalPatternChars, |
4087 | UnicodeString(DateFormatSymbols::getPatternUChars()), status); |
4088 | } |
4089 | |
4090 | //---------------------------------------------------------------------- |
4091 | |
4092 | const DateFormatSymbols* |
4093 | SimpleDateFormat::getDateFormatSymbols() const |
4094 | { |
4095 | return fSymbols; |
4096 | } |
4097 | |
4098 | //---------------------------------------------------------------------- |
4099 | |
4100 | void |
4101 | SimpleDateFormat::adoptDateFormatSymbols(DateFormatSymbols* newFormatSymbols) |
4102 | { |
4103 | delete fSymbols; |
4104 | fSymbols = newFormatSymbols; |
4105 | } |
4106 | |
4107 | //---------------------------------------------------------------------- |
4108 | void |
4109 | SimpleDateFormat::setDateFormatSymbols(const DateFormatSymbols& newFormatSymbols) |
4110 | { |
4111 | delete fSymbols; |
4112 | fSymbols = new DateFormatSymbols(newFormatSymbols); |
4113 | } |
4114 | |
4115 | //---------------------------------------------------------------------- |
4116 | const TimeZoneFormat* |
4117 | SimpleDateFormat::getTimeZoneFormat() const { |
4118 | // TimeZoneFormat initialization might fail when out of memory. |
4119 | // If we always initialize TimeZoneFormat instance, we can return |
4120 | // such status there. For now, this implementation lazily instantiates |
4121 | // a TimeZoneFormat for performance optimization reasons, but cannot |
4122 | // propagate such error (probably just out of memory case) to the caller. |
4123 | UErrorCode status = U_ZERO_ERROR; |
4124 | return (const TimeZoneFormat*)tzFormat(status); |
4125 | } |
4126 | |
4127 | //---------------------------------------------------------------------- |
4128 | void |
4129 | SimpleDateFormat::adoptTimeZoneFormat(TimeZoneFormat* timeZoneFormatToAdopt) |
4130 | { |
4131 | delete fTimeZoneFormat; |
4132 | fTimeZoneFormat = timeZoneFormatToAdopt; |
4133 | } |
4134 | |
4135 | //---------------------------------------------------------------------- |
4136 | void |
4137 | SimpleDateFormat::setTimeZoneFormat(const TimeZoneFormat& newTimeZoneFormat) |
4138 | { |
4139 | delete fTimeZoneFormat; |
4140 | fTimeZoneFormat = new TimeZoneFormat(newTimeZoneFormat); |
4141 | } |
4142 | |
4143 | //---------------------------------------------------------------------- |
4144 | |
4145 | |
4146 | void SimpleDateFormat::adoptCalendar(Calendar* calendarToAdopt) |
4147 | { |
4148 | UErrorCode status = U_ZERO_ERROR; |
4149 | Locale calLocale(fLocale); |
4150 | calLocale.setKeywordValue("calendar", calendarToAdopt->getType(), status); |
4151 | DateFormatSymbols *newSymbols = |
4152 | DateFormatSymbols::createForLocale(calLocale, status); |
4153 | if (U_FAILURE(status)) { |
4154 | delete calendarToAdopt; |
4155 | return; |
4156 | } |
4157 | DateFormat::adoptCalendar(calendarToAdopt); |
4158 | delete fSymbols; |
4159 | fSymbols = newSymbols; |
4160 | initializeDefaultCentury(); // we need a new century (possibly) |
4161 | } |
4162 | |
4163 | |
4164 | //---------------------------------------------------------------------- |
4165 | |
4166 | |
4167 | // override the DateFormat implementation in order to |
4168 | // lazily initialize fCapitalizationBrkIter |
4169 | void |
4170 | SimpleDateFormat::setContext(UDisplayContext value, UErrorCode& status) |
4171 | { |
4172 | DateFormat::setContext(value, status); |
4173 | #if !UCONFIG_NO_BREAK_ITERATION1 |
4174 | if (U_SUCCESS(status)) { |
4175 | if ( fCapitalizationBrkIter == nullptr && (value==UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE || |
4176 | value==UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU || value==UDISPCTX_CAPITALIZATION_FOR_STANDALONE) ) { |
4177 | status = U_ZERO_ERROR; |
4178 | fCapitalizationBrkIter = BreakIterator::createSentenceInstance(fLocale, status); |
4179 | if (U_FAILURE(status)) { |
4180 | delete fCapitalizationBrkIter; |
4181 | fCapitalizationBrkIter = nullptr; |
4182 | } |
4183 | } |
4184 | } |
4185 | #endif |
4186 | } |
4187 | |
4188 | |
4189 | //---------------------------------------------------------------------- |
4190 | |
4191 | |
4192 | UBool |
4193 | SimpleDateFormat::isFieldUnitIgnored(UCalendarDateFields field) const { |
4194 | return isFieldUnitIgnored(fPattern, field); |
4195 | } |
4196 | |
4197 | |
4198 | UBool |
4199 | SimpleDateFormat::isFieldUnitIgnored(const UnicodeString& pattern, |
4200 | UCalendarDateFields field) { |
4201 | int32_t fieldLevel = fgCalendarFieldToLevel[field]; |
4202 | int32_t level; |
4203 | char16_t ch; |
4204 | UBool inQuote = false; |
4205 | char16_t prevCh = 0; |
4206 | int32_t count = 0; |
4207 | |
4208 | for (int32_t i = 0; i < pattern.length(); ++i) { |
4209 | ch = pattern[i]; |
4210 | if (ch != prevCh && count > 0) { |
4211 | level = getLevelFromChar(prevCh); |
4212 | // the larger the level, the smaller the field unit. |
4213 | if (fieldLevel <= level) { |
4214 | return false; |
4215 | } |
4216 | count = 0; |
4217 | } |
4218 | if (ch == QUOTE) { |
4219 | if ((i+1) < pattern.length() && pattern[i+1] == QUOTE) { |
4220 | ++i; |
4221 | } else { |
4222 | inQuote = ! inQuote; |
4223 | } |
4224 | } |
4225 | else if (!inQuote && isSyntaxChar(ch)) { |
4226 | prevCh = ch; |
4227 | ++count; |
4228 | } |
4229 | } |
4230 | if (count > 0) { |
4231 | // last item |
4232 | level = getLevelFromChar(prevCh); |
4233 | if (fieldLevel <= level) { |
4234 | return false; |
4235 | } |
4236 | } |
4237 | return true; |
4238 | } |
4239 | |
4240 | //---------------------------------------------------------------------- |
4241 | |
4242 | const Locale& |
4243 | SimpleDateFormat::getSmpFmtLocale() const { |
4244 | return fLocale; |
4245 | } |
4246 | |
4247 | //---------------------------------------------------------------------- |
4248 | |
4249 | int32_t |
4250 | SimpleDateFormat::checkIntSuffix(const UnicodeString& text, int32_t start, |
4251 | int32_t patLoc, UBool isNegative) const { |
4252 | // local variables |
4253 | UnicodeString suf; |
4254 | int32_t patternMatch; |
4255 | int32_t textPreMatch; |
4256 | int32_t textPostMatch; |
4257 | |
4258 | // check that we are still in range |
4259 | if ( (start > text.length()) || |
4260 | (start < 0) || |
4261 | (patLoc < 0) || |
4262 | (patLoc > fPattern.length())) { |
4263 | // out of range, don't advance location in text |
4264 | return start; |
4265 | } |
4266 | |
4267 | // get the suffix |
4268 | DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(fNumberFormat); |
4269 | if (decfmt != nullptr) { |
4270 | if (isNegative) { |
4271 | suf = decfmt->getNegativeSuffix(suf); |
4272 | } |
4273 | else { |
4274 | suf = decfmt->getPositiveSuffix(suf); |
4275 | } |
4276 | } |
4277 | |
4278 | // check for suffix |
4279 | if (suf.length() <= 0) { |
4280 | return start; |
4281 | } |
4282 | |
4283 | // check suffix will be encountered in the pattern |
4284 | patternMatch = compareSimpleAffix(suf,fPattern,patLoc); |
4285 | |
4286 | // check if a suffix will be encountered in the text |
4287 | textPreMatch = compareSimpleAffix(suf,text,start); |
4288 | |
4289 | // check if a suffix was encountered in the text |
4290 | textPostMatch = compareSimpleAffix(suf,text,start-suf.length()); |
4291 | |
4292 | // check for suffix match |
4293 | if ((textPreMatch >= 0) && (patternMatch >= 0) && (textPreMatch == patternMatch)) { |
4294 | return start; |
4295 | } |
4296 | else if ((textPostMatch >= 0) && (patternMatch >= 0) && (textPostMatch == patternMatch)) { |
4297 | return start - suf.length(); |
4298 | } |
4299 | |
4300 | // should not get here |
4301 | return start; |
4302 | } |
4303 | |
4304 | //---------------------------------------------------------------------- |
4305 | |
4306 | int32_t |
4307 | SimpleDateFormat::compareSimpleAffix(const UnicodeString& affix, |
4308 | const UnicodeString& input, |
4309 | int32_t pos) const { |
4310 | int32_t start = pos; |
4311 | for (int32_t i=0; i<affix.length(); ) { |
4312 | UChar32 c = affix.char32At(i); |
4313 | int32_t len = U16_LENGTH(c)((uint32_t)(c)<=0xffff ? 1 : 2); |
4314 | if (PatternProps::isWhiteSpace(c)) { |
4315 | // We may have a pattern like: \u200F \u0020 |
4316 | // and input text like: \u200F \u0020 |
4317 | // Note that U+200F and U+0020 are Pattern_White_Space but only |
4318 | // U+0020 is UWhiteSpace. So we have to first do a direct |
4319 | // match of the run of Pattern_White_Space in the pattern, |
4320 | // then match any extra characters. |
4321 | UBool literalMatch = false; |
4322 | while (pos < input.length() && |
4323 | input.char32At(pos) == c) { |
4324 | literalMatch = true; |
4325 | i += len; |
4326 | pos += len; |
4327 | if (i == affix.length()) { |
4328 | break; |
4329 | } |
4330 | c = affix.char32At(i); |
4331 | len = U16_LENGTH(c)((uint32_t)(c)<=0xffff ? 1 : 2); |
4332 | if (!PatternProps::isWhiteSpace(c)) { |
4333 | break; |
4334 | } |
4335 | } |
4336 | |
4337 | // Advance over run in pattern |
4338 | i = skipPatternWhiteSpace(affix, i); |
4339 | |
4340 | // Advance over run in input text |
4341 | // Must see at least one white space char in input, |
4342 | // unless we've already matched some characters literally. |
4343 | int32_t s = pos; |
4344 | pos = skipUWhiteSpace(input, pos); |
4345 | if (pos == s && !literalMatch) { |
4346 | return -1; |
4347 | } |
4348 | |
4349 | // If we skip UWhiteSpace in the input text, we need to skip it in the pattern. |
4350 | // Otherwise, the previous lines may have skipped over text (such as U+00A0) that |
4351 | // is also in the affix. |
4352 | i = skipUWhiteSpace(affix, i); |
4353 | } else { |
4354 | if (pos < input.length() && |
4355 | input.char32At(pos) == c) { |
4356 | i += len; |
4357 | pos += len; |
4358 | } else { |
4359 | return -1; |
4360 | } |
4361 | } |
4362 | } |
4363 | return pos - start; |
4364 | } |
4365 | |
4366 | //---------------------------------------------------------------------- |
4367 | |
4368 | int32_t |
4369 | SimpleDateFormat::skipPatternWhiteSpace(const UnicodeString& text, int32_t pos) const { |
4370 | const char16_t* s = text.getBuffer(); |
4371 | return static_cast<int32_t>(PatternProps::skipWhiteSpace(s + pos, text.length() - pos) - s); |
4372 | } |
4373 | |
4374 | //---------------------------------------------------------------------- |
4375 | |
4376 | int32_t |
4377 | SimpleDateFormat::skipUWhiteSpace(const UnicodeString& text, int32_t pos) const { |
4378 | while (pos < text.length()) { |
4379 | UChar32 c = text.char32At(pos); |
4380 | if (!u_isUWhiteSpaceu_isUWhiteSpace_77(c)) { |
4381 | break; |
4382 | } |
4383 | pos += U16_LENGTH(c)((uint32_t)(c)<=0xffff ? 1 : 2); |
4384 | } |
4385 | return pos; |
4386 | } |
4387 | |
4388 | //---------------------------------------------------------------------- |
4389 | |
4390 | // Lazy TimeZoneFormat instantiation, semantically const. |
4391 | TimeZoneFormat * |
4392 | SimpleDateFormat::tzFormat(UErrorCode &status) const { |
4393 | Mutex m(&LOCK); |
4394 | if (fTimeZoneFormat == nullptr && U_SUCCESS(status)) { |
4395 | const_cast<SimpleDateFormat *>(this)->fTimeZoneFormat = |
4396 | TimeZoneFormat::createInstance(fLocale, status); |
4397 | } |
4398 | return fTimeZoneFormat; |
4399 | } |
4400 | |
4401 | void SimpleDateFormat::parsePattern() { |
4402 | fHasMinute = false; |
4403 | fHasSecond = false; |
4404 | fHasHanYearChar = false; |
4405 | |
4406 | int len = fPattern.length(); |
4407 | UBool inQuote = false; |
4408 | for (int32_t i = 0; i < len; ++i) { |
4409 | char16_t ch = fPattern[i]; |
4410 | if (ch == QUOTE) { |
4411 | inQuote = !inQuote; |
4412 | } |
4413 | if (ch == 0x5E74) { // don't care whether this is inside quotes |
4414 | fHasHanYearChar = true; |
4415 | } |
4416 | if (!inQuote) { |
4417 | if (ch == 0x6D) { // 0x6D == 'm' |
4418 | fHasMinute = true; |
4419 | } |
4420 | if (ch == 0x73) { // 0x73 == 's' |
4421 | fHasSecond = true; |
4422 | } |
4423 | } |
4424 | } |
4425 | } |
4426 | |
4427 | U_NAMESPACE_END} |
4428 | |
4429 | #endif /* #if !UCONFIG_NO_FORMATTING */ |
4430 | |
4431 | //eof |