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1 /*
2 *******************************************************************************
3 * Copyright (C) 1997-2013, International Business Machines Corporation and *
4 * others. All Rights Reserved. *
5 *******************************************************************************
6 *
7 * File SMPDTFMT.CPP
8 *
9 * Modification History:
10 *
11 * Date Name Description
12 * 02/19/97 aliu Converted from java.
13 * 03/31/97 aliu Modified extensively to work with 50 locales.
14 * 04/01/97 aliu Added support for centuries.
15 * 07/09/97 helena Made ParsePosition into a class.
16 * 07/21/98 stephen Added initializeDefaultCentury.
17 * Removed getZoneIndex (added in DateFormatSymbols)
18 * Removed subParseLong
19 * Removed chk
20 * 02/22/99 stephen Removed character literals for EBCDIC safety
21 * 10/14/99 aliu Updated 2-digit year parsing so that only "00" thru
22 * "99" are recognized. {j28 4182066}
23 * 11/15/99 weiv Added support for week of year/day of week format
24 ********************************************************************************
25 */
26
27 #define ZID_KEY_MAX 128
28
29 #include "unicode/utypes.h"
30
31 #if !UCONFIG_NO_FORMATTING
32
33 #include "unicode/smpdtfmt.h"
34 #include "unicode/dtfmtsym.h"
35 #include "unicode/ures.h"
36 #include "unicode/msgfmt.h"
37 #include "unicode/calendar.h"
38 #include "unicode/gregocal.h"
39 #include "unicode/timezone.h"
40 #include "unicode/decimfmt.h"
41 #include "unicode/dcfmtsym.h"
42 #include "unicode/uchar.h"
43 #include "unicode/uniset.h"
44 #include "unicode/ustring.h"
45 #include "unicode/basictz.h"
46 #include "unicode/simpletz.h"
47 #include "unicode/rbtz.h"
48 #include "unicode/tzfmt.h"
49 #include "unicode/utf16.h"
50 #include "unicode/vtzone.h"
51 #include "unicode/udisplaycontext.h"
52 #include "olsontz.h"
53 #include "patternprops.h"
54 #include "fphdlimp.h"
55 #include "gregoimp.h"
56 #include "hebrwcal.h"
57 #include "cstring.h"
58 #include "uassert.h"
59 #include "cmemory.h"
60 #include "umutex.h"
61 #include <float.h>
62 #include "smpdtfst.h"
63
64 #if defined( U_DEBUG_CALSVC ) || defined (U_DEBUG_CAL)
65 #include <stdio.h>
66 #endif
67
68 // *****************************************************************************
69 // class SimpleDateFormat
70 // *****************************************************************************
71
72 U_NAMESPACE_BEGIN
73
74 static const UChar PATTERN_CHAR_BASE = 0x40;
75
76 /**
77 * Last-resort string to use for "GMT" when constructing time zone strings.
78 */
79 // For time zones that have no names, use strings GMT+minutes and
80 // GMT-minutes. For instance, in France the time zone is GMT+60.
81 // Also accepted are GMT+H:MM or GMT-H:MM.
82 // Currently not being used
83 //static const UChar gGmt[] = {0x0047, 0x004D, 0x0054, 0x0000}; // "GMT"
84 //static const UChar gGmtPlus[] = {0x0047, 0x004D, 0x0054, 0x002B, 0x0000}; // "GMT+"
85 //static const UChar gGmtMinus[] = {0x0047, 0x004D, 0x0054, 0x002D, 0x0000}; // "GMT-"
86 //static const UChar gDefGmtPat[] = {0x0047, 0x004D, 0x0054, 0x007B, 0x0030, 0x007D, 0x0000}; /* GMT{0} */
87 //static const UChar gDefGmtNegHmsPat[] = {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}; /* -HH:mm:ss */
88 //static const UChar gDefGmtNegHmPat[] = {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000}; /* -HH:mm */
89 //static const UChar gDefGmtPosHmsPat[] = {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}; /* +HH:mm:ss */
90 //static const UChar gDefGmtPosHmPat[] = {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000}; /* +HH:mm */
91 //static const UChar gUt[] = {0x0055, 0x0054, 0x0000}; // "UT"
92 //static const UChar gUtc[] = {0x0055, 0x0054, 0x0043, 0x0000}; // "UT"
93
94 typedef enum GmtPatSize {
95 kGmtLen = 3,
96 kGmtPatLen = 6,
97 kNegHmsLen = 9,
98 kNegHmLen = 6,
99 kPosHmsLen = 9,
100 kPosHmLen = 6,
101 kUtLen = 2,
102 kUtcLen = 3
103 } GmtPatSize;
104
105 // Stuff needed for numbering system overrides
106
107 typedef enum OvrStrType {
108 kOvrStrDate = 0,
109 kOvrStrTime = 1,
110 kOvrStrBoth = 2
111 } OvrStrType;
112
113 static const UDateFormatField kDateFields[] = {
114 UDAT_YEAR_FIELD,
115 UDAT_MONTH_FIELD,
116 UDAT_DATE_FIELD,
117 UDAT_DAY_OF_YEAR_FIELD,
118 UDAT_DAY_OF_WEEK_IN_MONTH_FIELD,
119 UDAT_WEEK_OF_YEAR_FIELD,
120 UDAT_WEEK_OF_MONTH_FIELD,
121 UDAT_YEAR_WOY_FIELD,
122 UDAT_EXTENDED_YEAR_FIELD,
123 UDAT_JULIAN_DAY_FIELD,
124 UDAT_STANDALONE_DAY_FIELD,
125 UDAT_STANDALONE_MONTH_FIELD,
126 UDAT_QUARTER_FIELD,
127 UDAT_STANDALONE_QUARTER_FIELD,
128 UDAT_YEAR_NAME_FIELD };
129 static const int8_t kDateFieldsCount = 15;
130
131 static const UDateFormatField kTimeFields[] = {
132 UDAT_HOUR_OF_DAY1_FIELD,
133 UDAT_HOUR_OF_DAY0_FIELD,
134 UDAT_MINUTE_FIELD,
135 UDAT_SECOND_FIELD,
136 UDAT_FRACTIONAL_SECOND_FIELD,
137 UDAT_HOUR1_FIELD,
138 UDAT_HOUR0_FIELD,
139 UDAT_MILLISECONDS_IN_DAY_FIELD,
140 UDAT_TIMEZONE_RFC_FIELD,
141 UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD };
142 static const int8_t kTimeFieldsCount = 10;
143
144
145 // This is a pattern-of-last-resort used when we can't load a usable pattern out
146 // of a resource.
147 static const UChar gDefaultPattern[] =
148 {
149 0x79, 0x79, 0x79, 0x79, 0x4D, 0x4D, 0x64, 0x64, 0x20, 0x68, 0x68, 0x3A, 0x6D, 0x6D, 0x20, 0x61, 0
150 }; /* "yyyyMMdd hh:mm a" */
151
152 // This prefix is designed to NEVER MATCH real text, in order to
153 // suppress the parsing of negative numbers. Adjust as needed (if
154 // this becomes valid Unicode).
155 static const UChar SUPPRESS_NEGATIVE_PREFIX[] = {0xAB00, 0};
156
157 /**
158 * These are the tags we expect to see in normal resource bundle files associated
159 * with a locale.
160 */
161 static const char gDateTimePatternsTag[]="DateTimePatterns";
162
163 //static const UChar gEtcUTC[] = {0x45, 0x74, 0x63, 0x2F, 0x55, 0x54, 0x43, 0x00}; // "Etc/UTC"
164 static const UChar QUOTE = 0x27; // Single quote
165
166 /*
167 * The field range check bias for each UDateFormatField.
168 * The bias is added to the minimum and maximum values
169 * before they are compared to the parsed number.
170 * For example, the calendar stores zero-based month numbers
171 * but the parsed month numbers start at 1, so the bias is 1.
172 *
173 * A value of -1 means that the value is not checked.
174 */
175 static const int32_t gFieldRangeBias[] = {
176 -1, // 'G' - UDAT_ERA_FIELD
177 -1, // 'y' - UDAT_YEAR_FIELD
178 1, // 'M' - UDAT_MONTH_FIELD
179 0, // 'd' - UDAT_DATE_FIELD
180 -1, // 'k' - UDAT_HOUR_OF_DAY1_FIELD
181 -1, // 'H' - UDAT_HOUR_OF_DAY0_FIELD
182 0, // 'm' - UDAT_MINUTE_FIELD
183 0, // 's' - UDAT_SECOND_FIELD
184 -1, // 'S' - UDAT_FRACTIONAL_SECOND_FIELD (0-999?)
185 -1, // 'E' - UDAT_DAY_OF_WEEK_FIELD (1-7?)
186 -1, // 'D' - UDAT_DAY_OF_YEAR_FIELD (1 - 366?)
187 -1, // 'F' - UDAT_DAY_OF_WEEK_IN_MONTH_FIELD (1-5?)
188 -1, // 'w' - UDAT_WEEK_OF_YEAR_FIELD (1-52?)
189 -1, // 'W' - UDAT_WEEK_OF_MONTH_FIELD (1-5?)
190 -1, // 'a' - UDAT_AM_PM_FIELD
191 -1, // 'h' - UDAT_HOUR1_FIELD
192 -1, // 'K' - UDAT_HOUR0_FIELD
193 -1, // 'z' - UDAT_TIMEZONE_FIELD
194 -1, // 'Y' - UDAT_YEAR_WOY_FIELD
195 -1, // 'e' - UDAT_DOW_LOCAL_FIELD
196 -1, // 'u' - UDAT_EXTENDED_YEAR_FIELD
197 -1, // 'g' - UDAT_JULIAN_DAY_FIELD
198 -1, // 'A' - UDAT_MILLISECONDS_IN_DAY_FIELD
199 -1, // 'Z' - UDAT_TIMEZONE_RFC_FIELD
200 -1, // 'v' - UDAT_TIMEZONE_GENERIC_FIELD
201 0, // 'c' - UDAT_STANDALONE_DAY_FIELD
202 1, // 'L' - UDAT_STANDALONE_MONTH_FIELD
203 -1, // 'Q' - UDAT_QUARTER_FIELD (1-4?)
204 -1, // 'q' - UDAT_STANDALONE_QUARTER_FIELD
205 -1, // 'V' - UDAT_TIMEZONE_SPECIAL_FIELD
206 -1, // 'U' - UDAT_YEAR_NAME_FIELD
207 -1, // 'O' - UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD
208 -1, // 'X' - UDAT_TIMEZONE_ISO_FIELD
209 -1, // 'x' - UDAT_TIMEZONE_ISO_LOCAL_FIELD
210 };
211 // A slightly looser range check for lenient parsing
212 static const int32_t gFieldRangeBiasLenient[] = {
213 -1, // 'G' - UDAT_ERA_FIELD
214 -1, // 'y' - UDAT_YEAR_FIELD
215 8, // 'M' - UDAT_MONTH_FIELD (allow calendar max + 7, e.g. 19 for grego 1-based month)
216 18, // 'd' - UDAT_DATE_FIELD (allow calendar max + 18, e.g. 49 for grego; tests require at least 40 for grego)
217 -1, // 'k' - UDAT_HOUR_OF_DAY1_FIELD
218 -1, // 'H' - UDAT_HOUR_OF_DAY0_FIELD
219 40, // 'm' - UDAT_MINUTE_FIELD (allow calendar max + 40, e.g. 99)
220 40, // 's' - UDAT_SECOND_FIELD (allow calendar max + 40, e.g. 99)
221 -1, // 'S' - UDAT_FRACTIONAL_SECOND_FIELD (0-999?)
222 -1, // 'E' - UDAT_DAY_OF_WEEK_FIELD (1-7?)
223 -1, // 'D' - UDAT_DAY_OF_YEAR_FIELD (1 - 366?)
224 -1, // 'F' - UDAT_DAY_OF_WEEK_IN_MONTH_FIELD (1-5?)
225 -1, // 'w' - UDAT_WEEK_OF_YEAR_FIELD (1-52?)
226 -1, // 'W' - UDAT_WEEK_OF_MONTH_FIELD (1-5?)
227 -1, // 'a' - UDAT_AM_PM_FIELD
228 -1, // 'h' - UDAT_HOUR1_FIELD
229 -1, // 'K' - UDAT_HOUR0_FIELD
230 -1, // 'z' - UDAT_TIMEZONE_FIELD
231 -1, // 'Y' - UDAT_YEAR_WOY_FIELD
232 -1, // 'e' - UDAT_DOW_LOCAL_FIELD
233 -1, // 'u' - UDAT_EXTENDED_YEAR_FIELD
234 -1, // 'g' - UDAT_JULIAN_DAY_FIELD
235 -1, // 'A' - UDAT_MILLISECONDS_IN_DAY_FIELD
236 -1, // 'Z' - UDAT_TIMEZONE_RFC_FIELD
237 -1, // 'v' - UDAT_TIMEZONE_GENERIC_FIELD
238 18, // 'c' - UDAT_STANDALONE_DAY_FIELD (allow calendar max + 18, e.g. 49 for grego)
239 8, // 'L' - UDAT_STANDALONE_MONTH_FIELD (allow calendar max + 7, e.g. 19 for grego 1-based month)
240 -1, // 'Q' - UDAT_QUARTER_FIELD (1-4?)
241 -1, // 'q' - UDAT_STANDALONE_QUARTER_FIELD
242 -1, // 'V' - UDAT_TIMEZONE_SPECIAL_FIELD
243 -1, // 'U' - UDAT_YEAR_NAME_FIELD
244 -1, // 'O' - UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD
245 -1, // 'X' - UDAT_TIMEZONE_ISO_FIELD
246 -1, // 'x' - UDAT_TIMEZONE_ISO_LOCAL_FIELD
247 };
248
249 // When calendar uses hebr numbering (i.e. he@calendar=hebrew),
250 // offset the years within the current millenium down to 1-999
251 static const int32_t HEBREW_CAL_CUR_MILLENIUM_START_YEAR = 5000;
252 static const int32_t HEBREW_CAL_CUR_MILLENIUM_END_YEAR = 6000;
253
254 static UMutex LOCK = U_MUTEX_INITIALIZER;
255
256 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SimpleDateFormat)
257
258 //----------------------------------------------------------------------
259
260 SimpleDateFormat::~SimpleDateFormat()
261 {
262 delete fSymbols;
263 if (fNumberFormatters) {
264 uprv_free(fNumberFormatters);
265 }
266 if (fTimeZoneFormat) {
267 delete fTimeZoneFormat;
268 }
269
270 while (fOverrideList) {
271 NSOverride *cur = fOverrideList;
272 fOverrideList = cur->next;
273 delete cur->nf;
274 uprv_free(cur);
275 }
276 }
277
278 //----------------------------------------------------------------------
279
280 SimpleDateFormat::SimpleDateFormat(UErrorCode& status)
281 : fLocale(Locale::getDefault()),
282 fSymbols(NULL),
283 fTimeZoneFormat(NULL),
284 fNumberFormatters(NULL),
285 fOverrideList(NULL),
286 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
287 {
288 construct(kShort, (EStyle) (kShort + kDateOffset), fLocale, status);
289 initializeDefaultCentury();
290 }
291
292 //----------------------------------------------------------------------
293
294 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern,
295 UErrorCode &status)
296 : fPattern(pattern),
297 fLocale(Locale::getDefault()),
298 fSymbols(NULL),
299 fTimeZoneFormat(NULL),
300 fNumberFormatters(NULL),
301 fOverrideList(NULL),
302 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
303 {
304 fDateOverride.setToBogus();
305 fTimeOverride.setToBogus();
306 initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status);
307 initialize(fLocale, status);
308 initializeDefaultCentury();
309
310 }
311 //----------------------------------------------------------------------
312
313 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern,
314 const UnicodeString& override,
315 UErrorCode &status)
316 : fPattern(pattern),
317 fLocale(Locale::getDefault()),
318 fSymbols(NULL),
319 fTimeZoneFormat(NULL),
320 fNumberFormatters(NULL),
321 fOverrideList(NULL),
322 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
323 {
324 fDateOverride.setTo(override);
325 fTimeOverride.setToBogus();
326 initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status);
327 initialize(fLocale, status);
328 initializeDefaultCentury();
329
330 processOverrideString(fLocale,override,kOvrStrBoth,status);
331
332 }
333
334 //----------------------------------------------------------------------
335
336 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern,
337 const Locale& locale,
338 UErrorCode& status)
339 : fPattern(pattern),
340 fLocale(locale),
341 fTimeZoneFormat(NULL),
342 fNumberFormatters(NULL),
343 fOverrideList(NULL),
344 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
345 {
346
347 fDateOverride.setToBogus();
348 fTimeOverride.setToBogus();
349
350 initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status);
351 initialize(fLocale, status);
352 initializeDefaultCentury();
353 }
354
355 //----------------------------------------------------------------------
356
357 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern,
358 const UnicodeString& override,
359 const Locale& locale,
360 UErrorCode& status)
361 : fPattern(pattern),
362 fLocale(locale),
363 fTimeZoneFormat(NULL),
364 fNumberFormatters(NULL),
365 fOverrideList(NULL),
366 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
367 {
368
369 fDateOverride.setTo(override);
370 fTimeOverride.setToBogus();
371
372 initializeSymbols(fLocale, initializeCalendar(NULL,fLocale,status), status);
373 initialize(fLocale, status);
374 initializeDefaultCentury();
375
376 processOverrideString(locale,override,kOvrStrBoth,status);
377
378 }
379
380 //----------------------------------------------------------------------
381
382 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern,
383 DateFormatSymbols* symbolsToAdopt,
384 UErrorCode& status)
385 : fPattern(pattern),
386 fLocale(Locale::getDefault()),
387 fSymbols(symbolsToAdopt),
388 fTimeZoneFormat(NULL),
389 fNumberFormatters(NULL),
390 fOverrideList(NULL),
391 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
392 {
393
394 fDateOverride.setToBogus();
395 fTimeOverride.setToBogus();
396
397 initializeCalendar(NULL,fLocale,status);
398 initialize(fLocale, status);
399 initializeDefaultCentury();
400 }
401
402 //----------------------------------------------------------------------
403
404 SimpleDateFormat::SimpleDateFormat(const UnicodeString& pattern,
405 const DateFormatSymbols& symbols,
406 UErrorCode& status)
407 : fPattern(pattern),
408 fLocale(Locale::getDefault()),
409 fSymbols(new DateFormatSymbols(symbols)),
410 fTimeZoneFormat(NULL),
411 fNumberFormatters(NULL),
412 fOverrideList(NULL),
413 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
414 {
415
416 fDateOverride.setToBogus();
417 fTimeOverride.setToBogus();
418
419 initializeCalendar(NULL, fLocale, status);
420 initialize(fLocale, status);
421 initializeDefaultCentury();
422 }
423
424 //----------------------------------------------------------------------
425
426 // Not for public consumption; used by DateFormat
427 SimpleDateFormat::SimpleDateFormat(EStyle timeStyle,
428 EStyle dateStyle,
429 const Locale& locale,
430 UErrorCode& status)
431 : fLocale(locale),
432 fSymbols(NULL),
433 fTimeZoneFormat(NULL),
434 fNumberFormatters(NULL),
435 fOverrideList(NULL),
436 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
437 {
438 construct(timeStyle, dateStyle, fLocale, status);
439 if(U_SUCCESS(status)) {
440 initializeDefaultCentury();
441 }
442 }
443
444 //----------------------------------------------------------------------
445
446 /**
447 * Not for public consumption; used by DateFormat. This constructor
448 * never fails. If the resource data is not available, it uses the
449 * the last resort symbols.
450 */
451 SimpleDateFormat::SimpleDateFormat(const Locale& locale,
452 UErrorCode& status)
453 : fPattern(gDefaultPattern),
454 fLocale(locale),
455 fSymbols(NULL),
456 fTimeZoneFormat(NULL),
457 fNumberFormatters(NULL),
458 fOverrideList(NULL),
459 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
460 {
461 if (U_FAILURE(status)) return;
462 initializeSymbols(fLocale, initializeCalendar(NULL, fLocale, status),status);
463 if (U_FAILURE(status))
464 {
465 status = U_ZERO_ERROR;
466 delete fSymbols;
467 // This constructor doesn't fail; it uses last resort data
468 fSymbols = new DateFormatSymbols(status);
469 /* test for NULL */
470 if (fSymbols == 0) {
471 status = U_MEMORY_ALLOCATION_ERROR;
472 return;
473 }
474 }
475
476 fDateOverride.setToBogus();
477 fTimeOverride.setToBogus();
478
479 initialize(fLocale, status);
480 if(U_SUCCESS(status)) {
481 initializeDefaultCentury();
482 }
483 }
484
485 //----------------------------------------------------------------------
486
487 SimpleDateFormat::SimpleDateFormat(const SimpleDateFormat& other)
488 : DateFormat(other),
489 fLocale(other.fLocale),
490 fSymbols(NULL),
491 fTimeZoneFormat(NULL),
492 fNumberFormatters(NULL),
493 fOverrideList(NULL),
494 fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
495 {
496 *this = other;
497 }
498
499 //----------------------------------------------------------------------
500
501 SimpleDateFormat& SimpleDateFormat::operator=(const SimpleDateFormat& other)
502 {
503 if (this == &other) {
504 return *this;
505 }
506 DateFormat::operator=(other);
507
508 delete fSymbols;
509 fSymbols = NULL;
510
511 if (other.fSymbols)
512 fSymbols = new DateFormatSymbols(*other.fSymbols);
513
514 fDefaultCenturyStart = other.fDefaultCenturyStart;
515 fDefaultCenturyStartYear = other.fDefaultCenturyStartYear;
516 fHaveDefaultCentury = other.fHaveDefaultCentury;
517
518 fPattern = other.fPattern;
519
520 // TimeZoneFormat in ICU4C only depends on a locale for now
521 if (fLocale != other.fLocale) {
522 delete fTimeZoneFormat;
523 fTimeZoneFormat = NULL; // forces lazy instantiation with the other locale
524 fLocale = other.fLocale;
525 }
526
527 fCapitalizationContext = other.fCapitalizationContext;
528
529 return *this;
530 }
531
532 //----------------------------------------------------------------------
533
534 Format*
535 SimpleDateFormat::clone() const
536 {
537 return new SimpleDateFormat(*this);
538 }
539
540 //----------------------------------------------------------------------
541
542 UBool
543 SimpleDateFormat::operator==(const Format& other) const
544 {
545 if (DateFormat::operator==(other)) {
546 // DateFormat::operator== guarantees following cast is safe
547 SimpleDateFormat* that = (SimpleDateFormat*)&other;
548 return (fPattern == that->fPattern &&
549 fSymbols != NULL && // Check for pathological object
550 that->fSymbols != NULL && // Check for pathological object
551 *fSymbols == *that->fSymbols &&
552 fHaveDefaultCentury == that->fHaveDefaultCentury &&
553 fDefaultCenturyStart == that->fDefaultCenturyStart &&
554 fCapitalizationContext == that->fCapitalizationContext);
555 }
556 return FALSE;
557 }
558
559 //----------------------------------------------------------------------
560
561 void SimpleDateFormat::construct(EStyle timeStyle,
562 EStyle dateStyle,
563 const Locale& locale,
564 UErrorCode& status)
565 {
566 // called by several constructors to load pattern data from the resources
567 if (U_FAILURE(status)) return;
568
569 // We will need the calendar to know what type of symbols to load.
570 initializeCalendar(NULL, locale, status);
571 if (U_FAILURE(status)) return;
572
573 CalendarData calData(locale, fCalendar?fCalendar->getType():NULL, status);
574 UResourceBundle *dateTimePatterns = calData.getByKey(gDateTimePatternsTag, status);
575 UResourceBundle *currentBundle;
576
577 if (U_FAILURE(status)) return;
578
579 if (ures_getSize(dateTimePatterns) <= kDateTime)
580 {
581 status = U_INVALID_FORMAT_ERROR;
582 return;
583 }
584
585 setLocaleIDs(ures_getLocaleByType(dateTimePatterns, ULOC_VALID_LOCALE, &status),
586 ures_getLocaleByType(dateTimePatterns, ULOC_ACTUAL_LOCALE, &status));
587
588 // create a symbols object from the locale
589 initializeSymbols(locale,fCalendar, status);
590 if (U_FAILURE(status)) return;
591 /* test for NULL */
592 if (fSymbols == 0) {
593 status = U_MEMORY_ALLOCATION_ERROR;
594 return;
595 }
596
597 const UChar *resStr,*ovrStr;
598 int32_t resStrLen,ovrStrLen = 0;
599 fDateOverride.setToBogus();
600 fTimeOverride.setToBogus();
601
602 // if the pattern should include both date and time information, use the date/time
603 // pattern string as a guide to tell use how to glue together the appropriate date
604 // and time pattern strings. The actual gluing-together is handled by a convenience
605 // method on MessageFormat.
606 if ((timeStyle != kNone) && (dateStyle != kNone))
607 {
608 Formattable timeDateArray[2];
609
610 // use Formattable::adoptString() so that we can use fastCopyFrom()
611 // instead of Formattable::setString()'s unaware, safe, deep string clone
612 // see Jitterbug 2296
613
614 currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)timeStyle, NULL, &status);
615 if (U_FAILURE(status)) {
616 status = U_INVALID_FORMAT_ERROR;
617 return;
618 }
619 switch (ures_getType(currentBundle)) {
620 case URES_STRING: {
621 resStr = ures_getString(currentBundle, &resStrLen, &status);
622 break;
623 }
624 case URES_ARRAY: {
625 resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status);
626 ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status);
627 fTimeOverride.setTo(TRUE, ovrStr, ovrStrLen);
628 break;
629 }
630 default: {
631 status = U_INVALID_FORMAT_ERROR;
632 ures_close(currentBundle);
633 return;
634 }
635 }
636 ures_close(currentBundle);
637
638 UnicodeString *tempus1 = new UnicodeString(TRUE, resStr, resStrLen);
639 // NULL pointer check
640 if (tempus1 == NULL) {
641 status = U_MEMORY_ALLOCATION_ERROR;
642 return;
643 }
644 timeDateArray[0].adoptString(tempus1);
645
646 currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)dateStyle, NULL, &status);
647 if (U_FAILURE(status)) {
648 status = U_INVALID_FORMAT_ERROR;
649 return;
650 }
651 switch (ures_getType(currentBundle)) {
652 case URES_STRING: {
653 resStr = ures_getString(currentBundle, &resStrLen, &status);
654 break;
655 }
656 case URES_ARRAY: {
657 resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status);
658 ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status);
659 fDateOverride.setTo(TRUE, ovrStr, ovrStrLen);
660 break;
661 }
662 default: {
663 status = U_INVALID_FORMAT_ERROR;
664 ures_close(currentBundle);
665 return;
666 }
667 }
668 ures_close(currentBundle);
669
670 UnicodeString *tempus2 = new UnicodeString(TRUE, resStr, resStrLen);
671 // Null pointer check
672 if (tempus2 == NULL) {
673 status = U_MEMORY_ALLOCATION_ERROR;
674 return;
675 }
676 timeDateArray[1].adoptString(tempus2);
677
678 int32_t glueIndex = kDateTime;
679 int32_t patternsSize = ures_getSize(dateTimePatterns);
680 if (patternsSize >= (kDateTimeOffset + kShort + 1)) {
681 // Get proper date time format
682 glueIndex = (int32_t)(kDateTimeOffset + (dateStyle - kDateOffset));
683 }
684
685 resStr = ures_getStringByIndex(dateTimePatterns, glueIndex, &resStrLen, &status);
686 MessageFormat::format(UnicodeString(TRUE, resStr, resStrLen), timeDateArray, 2, fPattern, status);
687 }
688 // if the pattern includes just time data or just date date, load the appropriate
689 // pattern string from the resources
690 // setTo() - see DateFormatSymbols::assignArray comments
691 else if (timeStyle != kNone) {
692 currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)timeStyle, NULL, &status);
693 if (U_FAILURE(status)) {
694 status = U_INVALID_FORMAT_ERROR;
695 return;
696 }
697 switch (ures_getType(currentBundle)) {
698 case URES_STRING: {
699 resStr = ures_getString(currentBundle, &resStrLen, &status);
700 break;
701 }
702 case URES_ARRAY: {
703 resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status);
704 ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status);
705 fDateOverride.setTo(TRUE, ovrStr, ovrStrLen);
706 break;
707 }
708 default: {
709 status = U_INVALID_FORMAT_ERROR;
710 ures_close(currentBundle);
711 return;
712 }
713 }
714 fPattern.setTo(TRUE, resStr, resStrLen);
715 ures_close(currentBundle);
716 }
717 else if (dateStyle != kNone) {
718 currentBundle = ures_getByIndex(dateTimePatterns, (int32_t)dateStyle, NULL, &status);
719 if (U_FAILURE(status)) {
720 status = U_INVALID_FORMAT_ERROR;
721 return;
722 }
723 switch (ures_getType(currentBundle)) {
724 case URES_STRING: {
725 resStr = ures_getString(currentBundle, &resStrLen, &status);
726 break;
727 }
728 case URES_ARRAY: {
729 resStr = ures_getStringByIndex(currentBundle, 0, &resStrLen, &status);
730 ovrStr = ures_getStringByIndex(currentBundle, 1, &ovrStrLen, &status);
731 fDateOverride.setTo(TRUE, ovrStr, ovrStrLen);
732 break;
733 }
734 default: {
735 status = U_INVALID_FORMAT_ERROR;
736 ures_close(currentBundle);
737 return;
738 }
739 }
740 fPattern.setTo(TRUE, resStr, resStrLen);
741 ures_close(currentBundle);
742 }
743
744 // and if it includes _neither_, that's an error
745 else
746 status = U_INVALID_FORMAT_ERROR;
747
748 // finally, finish initializing by creating a Calendar and a NumberFormat
749 initialize(locale, status);
750 }
751
752 //----------------------------------------------------------------------
753
754 Calendar*
755 SimpleDateFormat::initializeCalendar(TimeZone* adoptZone, const Locale& locale, UErrorCode& status)
756 {
757 if(!U_FAILURE(status)) {
758 fCalendar = Calendar::createInstance(adoptZone?adoptZone:TimeZone::createDefault(), locale, status);
759 }
760 if (U_SUCCESS(status) && fCalendar == NULL) {
761 status = U_MEMORY_ALLOCATION_ERROR;
762 }
763 return fCalendar;
764 }
765
766 void
767 SimpleDateFormat::initializeSymbols(const Locale& locale, Calendar* calendar, UErrorCode& status)
768 {
769 if(U_FAILURE(status)) {
770 fSymbols = NULL;
771 } else {
772 // pass in calendar type - use NULL (default) if no calendar set (or err).
773 fSymbols = new DateFormatSymbols(locale, calendar?calendar->getType() :NULL , status);
774 // Null pointer check
775 if (fSymbols == NULL) {
776 status = U_MEMORY_ALLOCATION_ERROR;
777 return;
778 }
779 }
780 }
781
782 void
783 SimpleDateFormat::initialize(const Locale& locale,
784 UErrorCode& status)
785 {
786 if (U_FAILURE(status)) return;
787
788 // We don't need to check that the row count is >= 1, since all 2d arrays have at
789 // least one row
790 fNumberFormat = NumberFormat::createInstance(locale, status);
791 if (fNumberFormat != NULL && U_SUCCESS(status))
792 {
793 // no matter what the locale's default number format looked like, we want
794 // to modify it so that it doesn't use thousands separators, doesn't always
795 // show the decimal point, and recognizes integers only when parsing
796
797 fNumberFormat->setGroupingUsed(FALSE);
798 DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(fNumberFormat);
799 if (decfmt != NULL) {
800 decfmt->setDecimalSeparatorAlwaysShown(FALSE);
801 }
802 fNumberFormat->setParseIntegerOnly(TRUE);
803 fNumberFormat->setMinimumFractionDigits(0); // To prevent "Jan 1.00, 1997.00"
804
805 //fNumberFormat->setLenient(TRUE); // Java uses a custom DateNumberFormat to format/parse
806
807 initNumberFormatters(locale,status);
808
809 }
810 else if (U_SUCCESS(status))
811 {
812 status = U_MISSING_RESOURCE_ERROR;
813 }
814 }
815
816 /* Initialize the fields we use to disambiguate ambiguous years. Separate
817 * so we can call it from readObject().
818 */
819 void SimpleDateFormat::initializeDefaultCentury()
820 {
821 if(fCalendar) {
822 fHaveDefaultCentury = fCalendar->haveDefaultCentury();
823 if(fHaveDefaultCentury) {
824 fDefaultCenturyStart = fCalendar->defaultCenturyStart();
825 fDefaultCenturyStartYear = fCalendar->defaultCenturyStartYear();
826 } else {
827 fDefaultCenturyStart = DBL_MIN;
828 fDefaultCenturyStartYear = -1;
829 }
830 }
831 }
832
833 /* Define one-century window into which to disambiguate dates using
834 * two-digit years. Make public in JDK 1.2.
835 */
836 void SimpleDateFormat::parseAmbiguousDatesAsAfter(UDate startDate, UErrorCode& status)
837 {
838 if(U_FAILURE(status)) {
839 return;
840 }
841 if(!fCalendar) {
842 status = U_ILLEGAL_ARGUMENT_ERROR;
843 return;
844 }
845
846 fCalendar->setTime(startDate, status);
847 if(U_SUCCESS(status)) {
848 fHaveDefaultCentury = TRUE;
849 fDefaultCenturyStart = startDate;
850 fDefaultCenturyStartYear = fCalendar->get(UCAL_YEAR, status);
851 }
852 }
853
854 //----------------------------------------------------------------------
855
856 UnicodeString&
857 SimpleDateFormat::format(Calendar& cal, UnicodeString& appendTo, FieldPosition& pos) const
858 {
859 UErrorCode status = U_ZERO_ERROR;
860 FieldPositionOnlyHandler handler(pos);
861 return _format(cal, appendTo, handler, status);
862 }
863
864 //----------------------------------------------------------------------
865
866 UnicodeString&
867 SimpleDateFormat::format(Calendar& cal, UnicodeString& appendTo,
868 FieldPositionIterator* posIter, UErrorCode& status) const
869 {
870 FieldPositionIteratorHandler handler(posIter, status);
871 return _format(cal, appendTo, handler, status);
872 }
873
874 //----------------------------------------------------------------------
875
876 UnicodeString&
877 SimpleDateFormat::_format(Calendar& cal, UnicodeString& appendTo,
878 FieldPositionHandler& handler, UErrorCode& status) const
879 {
880 if ( U_FAILURE(status) ) {
881 return appendTo;
882 }
883 Calendar* workCal = &cal;
884 Calendar* calClone = NULL;
885 if (&cal != fCalendar && uprv_strcmp(cal.getType(), fCalendar->getType()) != 0) {
886 // Different calendar type
887 // We use the time and time zone from the input calendar, but
888 // do not use the input calendar for field calculation.
889 calClone = fCalendar->clone();
890 if (calClone != NULL) {
891 UDate t = cal.getTime(status);
892 calClone->setTime(t, status);
893 calClone->setTimeZone(cal.getTimeZone());
894 workCal = calClone;
895 } else {
896 status = U_MEMORY_ALLOCATION_ERROR;
897 return appendTo;
898 }
899 }
900
901 UBool inQuote = FALSE;
902 UChar prevCh = 0;
903 int32_t count = 0;
904 int32_t fieldNum = 0;
905
906 // loop through the pattern string character by character
907 for (int32_t i = 0; i < fPattern.length() && U_SUCCESS(status); ++i) {
908 UChar ch = fPattern[i];
909
910 // Use subFormat() to format a repeated pattern character
911 // when a different pattern or non-pattern character is seen
912 if (ch != prevCh && count > 0) {
913 subFormat(appendTo, prevCh, count, fCapitalizationContext, fieldNum++, handler, *workCal, status);
914 count = 0;
915 }
916 if (ch == QUOTE) {
917 // Consecutive single quotes are a single quote literal,
918 // either outside of quotes or between quotes
919 if ((i+1) < fPattern.length() && fPattern[i+1] == QUOTE) {
920 appendTo += (UChar)QUOTE;
921 ++i;
922 } else {
923 inQuote = ! inQuote;
924 }
925 }
926 else if ( ! inQuote && ((ch >= 0x0061 /*'a'*/ && ch <= 0x007A /*'z'*/)
927 || (ch >= 0x0041 /*'A'*/ && ch <= 0x005A /*'Z'*/))) {
928 // ch is a date-time pattern character to be interpreted
929 // by subFormat(); count the number of times it is repeated
930 prevCh = ch;
931 ++count;
932 }
933 else {
934 // Append quoted characters and unquoted non-pattern characters
935 appendTo += ch;
936 }
937 }
938
939 // Format the last item in the pattern, if any
940 if (count > 0) {
941 subFormat(appendTo, prevCh, count, fCapitalizationContext, fieldNum++, handler, *workCal, status);
942 }
943
944 if (calClone != NULL) {
945 delete calClone;
946 }
947
948 return appendTo;
949 }
950
951 //----------------------------------------------------------------------
952
953 /* Map calendar field into calendar field level.
954 * the larger the level, the smaller the field unit.
955 * For example, UCAL_ERA level is 0, UCAL_YEAR level is 10,
956 * UCAL_MONTH level is 20.
957 * NOTE: if new fields adds in, the table needs to update.
958 */
959 const int32_t
960 SimpleDateFormat::fgCalendarFieldToLevel[] =
961 {
962 /*GyM*/ 0, 10, 20,
963 /*wW*/ 20, 30,
964 /*dDEF*/ 30, 20, 30, 30,
965 /*ahHm*/ 40, 50, 50, 60,
966 /*sS..*/ 70, 80,
967 /*z?Y*/ 0, 0, 10,
968 /*eug*/ 30, 10, 0,
969 /*A*/ 40
970 };
971
972
973 /* Map calendar field LETTER into calendar field level.
974 * the larger the level, the smaller the field unit.
975 * NOTE: if new fields adds in, the table needs to update.
976 */
977 const int32_t
978 SimpleDateFormat::fgPatternCharToLevel[] = {
979 // A B C D E F G H I J K L M N O
980 -1, 40, -1, -1, 20, 30, 30, 0, 50, -1, -1, 50, 20, 20, -1, 0,
981 // P Q R S T U V W X Y Z
982 -1, 20, -1, 80, -1, 10, 0, 30, 0, 10, 0, -1, -1, -1, -1, -1,
983 // a b c d e f g h i j k l m n o
984 -1, 40, -1, 30, 30, 30, -1, 0, 50, -1, -1, 50, -1, 60, -1, -1,
985 // p q r s t u v w x y z
986 -1, 20, -1, 70, -1, 10, 0, 20, 0, 10, 0, -1, -1, -1, -1, -1
987 };
988
989
990 // Map index into pattern character string to Calendar field number.
991 const UCalendarDateFields
992 SimpleDateFormat::fgPatternIndexToCalendarField[] =
993 {
994 /*GyM*/ UCAL_ERA, UCAL_YEAR, UCAL_MONTH,
995 /*dkH*/ UCAL_DATE, UCAL_HOUR_OF_DAY, UCAL_HOUR_OF_DAY,
996 /*msS*/ UCAL_MINUTE, UCAL_SECOND, UCAL_MILLISECOND,
997 /*EDF*/ UCAL_DAY_OF_WEEK, UCAL_DAY_OF_YEAR, UCAL_DAY_OF_WEEK_IN_MONTH,
998 /*wWa*/ UCAL_WEEK_OF_YEAR, UCAL_WEEK_OF_MONTH, UCAL_AM_PM,
999 /*hKz*/ UCAL_HOUR, UCAL_HOUR, UCAL_ZONE_OFFSET,
1000 /*Yeu*/ UCAL_YEAR_WOY, UCAL_DOW_LOCAL, UCAL_EXTENDED_YEAR,
1001 /*gAZ*/ UCAL_JULIAN_DAY, UCAL_MILLISECONDS_IN_DAY, UCAL_ZONE_OFFSET,
1002 /*v*/ UCAL_ZONE_OFFSET,
1003 /*c*/ UCAL_DOW_LOCAL,
1004 /*L*/ UCAL_MONTH,
1005 /*Q*/ UCAL_MONTH,
1006 /*q*/ UCAL_MONTH,
1007 /*V*/ UCAL_ZONE_OFFSET,
1008 /*U*/ UCAL_YEAR,
1009 /*O*/ UCAL_ZONE_OFFSET,
1010 /*Xx*/ UCAL_ZONE_OFFSET, UCAL_ZONE_OFFSET,
1011 };
1012
1013 // Map index into pattern character string to DateFormat field number
1014 const UDateFormatField
1015 SimpleDateFormat::fgPatternIndexToDateFormatField[] = {
1016 /*GyM*/ UDAT_ERA_FIELD, UDAT_YEAR_FIELD, UDAT_MONTH_FIELD,
1017 /*dkH*/ UDAT_DATE_FIELD, UDAT_HOUR_OF_DAY1_FIELD, UDAT_HOUR_OF_DAY0_FIELD,
1018 /*msS*/ UDAT_MINUTE_FIELD, UDAT_SECOND_FIELD, UDAT_FRACTIONAL_SECOND_FIELD,
1019 /*EDF*/ UDAT_DAY_OF_WEEK_FIELD, UDAT_DAY_OF_YEAR_FIELD, UDAT_DAY_OF_WEEK_IN_MONTH_FIELD,
1020 /*wWa*/ UDAT_WEEK_OF_YEAR_FIELD, UDAT_WEEK_OF_MONTH_FIELD, UDAT_AM_PM_FIELD,
1021 /*hKz*/ UDAT_HOUR1_FIELD, UDAT_HOUR0_FIELD, UDAT_TIMEZONE_FIELD,
1022 /*Yeu*/ UDAT_YEAR_WOY_FIELD, UDAT_DOW_LOCAL_FIELD, UDAT_EXTENDED_YEAR_FIELD,
1023 /*gAZ*/ UDAT_JULIAN_DAY_FIELD, UDAT_MILLISECONDS_IN_DAY_FIELD, UDAT_TIMEZONE_RFC_FIELD,
1024 /*v*/ UDAT_TIMEZONE_GENERIC_FIELD,
1025 /*c*/ UDAT_STANDALONE_DAY_FIELD,
1026 /*L*/ UDAT_STANDALONE_MONTH_FIELD,
1027 /*Q*/ UDAT_QUARTER_FIELD,
1028 /*q*/ UDAT_STANDALONE_QUARTER_FIELD,
1029 /*V*/ UDAT_TIMEZONE_SPECIAL_FIELD,
1030 /*U*/ UDAT_YEAR_NAME_FIELD,
1031 /*O*/ UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD,
1032 /*Xx*/ UDAT_TIMEZONE_ISO_FIELD, UDAT_TIMEZONE_ISO_LOCAL_FIELD,
1033 };
1034
1035 //----------------------------------------------------------------------
1036
1037 /**
1038 * Append symbols[value] to dst. Make sure the array index is not out
1039 * of bounds.
1040 */
1041 static inline void
1042 _appendSymbol(UnicodeString& dst,
1043 int32_t value,
1044 const UnicodeString* symbols,
1045 int32_t symbolsCount) {
1046 U_ASSERT(0 <= value && value < symbolsCount);
1047 if (0 <= value && value < symbolsCount) {
1048 dst += symbols[value];
1049 }
1050 }
1051
1052 static inline void
1053 _appendSymbolWithMonthPattern(UnicodeString& dst, int32_t value, const UnicodeString* symbols, int32_t symbolsCount,
1054 const UnicodeString* monthPattern, UErrorCode& status) {
1055 U_ASSERT(0 <= value && value < symbolsCount);
1056 if (0 <= value && value < symbolsCount) {
1057 if (monthPattern == NULL) {
1058 dst += symbols[value];
1059 } else {
1060 Formattable monthName((const UnicodeString&)(symbols[value]));
1061 MessageFormat::format(*monthPattern, &monthName, 1, dst, status);
1062 }
1063 }
1064 }
1065
1066 //----------------------------------------------------------------------
1067 void
1068 SimpleDateFormat::initNumberFormatters(const Locale &locale,UErrorCode &status) {
1069 if (U_FAILURE(status)) {
1070 return;
1071 }
1072 if ( fDateOverride.isBogus() && fTimeOverride.isBogus() ) {
1073 return;
1074 }
1075 umtx_lock(&LOCK);
1076 if (fNumberFormatters == NULL) {
1077 fNumberFormatters = (NumberFormat**)uprv_malloc(UDAT_FIELD_COUNT * sizeof(NumberFormat*));
1078 if (fNumberFormatters) {
1079 for (int32_t i = 0; i < UDAT_FIELD_COUNT; i++) {
1080 fNumberFormatters[i] = fNumberFormat;
1081 }
1082 } else {
1083 status = U_MEMORY_ALLOCATION_ERROR;
1084 }
1085 }
1086 umtx_unlock(&LOCK);
1087
1088 processOverrideString(locale,fDateOverride,kOvrStrDate,status);
1089 processOverrideString(locale,fTimeOverride,kOvrStrTime,status);
1090
1091 }
1092
1093 void
1094 SimpleDateFormat::processOverrideString(const Locale &locale, const UnicodeString &str, int8_t type, UErrorCode &status) {
1095 if (str.isBogus()) {
1096 return;
1097 }
1098 int32_t start = 0;
1099 int32_t len;
1100 UnicodeString nsName;
1101 UnicodeString ovrField;
1102 UBool moreToProcess = TRUE;
1103
1104 while (moreToProcess) {
1105 int32_t delimiterPosition = str.indexOf((UChar)ULOC_KEYWORD_ITEM_SEPARATOR_UNICODE,start);
1106 if (delimiterPosition == -1) {
1107 moreToProcess = FALSE;
1108 len = str.length() - start;
1109 } else {
1110 len = delimiterPosition - start;
1111 }
1112 UnicodeString currentString(str,start,len);
1113 int32_t equalSignPosition = currentString.indexOf((UChar)ULOC_KEYWORD_ASSIGN_UNICODE,0);
1114 if (equalSignPosition == -1) { // Simple override string such as "hebrew"
1115 nsName.setTo(currentString);
1116 ovrField.setToBogus();
1117 } else { // Field specific override string such as "y=hebrew"
1118 nsName.setTo(currentString,equalSignPosition+1);
1119 ovrField.setTo(currentString,0,1); // We just need the first character.
1120 }
1121
1122 int32_t nsNameHash = nsName.hashCode();
1123 // See if the numbering system is in the override list, if not, then add it.
1124 NSOverride *cur = fOverrideList;
1125 NumberFormat *nf = NULL;
1126 UBool found = FALSE;
1127 while ( cur && !found ) {
1128 if ( cur->hash == nsNameHash ) {
1129 nf = cur->nf;
1130 found = TRUE;
1131 }
1132 cur = cur->next;
1133 }
1134
1135 if (!found) {
1136 cur = (NSOverride *)uprv_malloc(sizeof(NSOverride));
1137 if (cur) {
1138 char kw[ULOC_KEYWORD_AND_VALUES_CAPACITY];
1139 uprv_strcpy(kw,"numbers=");
1140 nsName.extract(0,len,kw+8,ULOC_KEYWORD_AND_VALUES_CAPACITY-8,US_INV);
1141
1142 Locale ovrLoc(locale.getLanguage(),locale.getCountry(),locale.getVariant(),kw);
1143 nf = NumberFormat::createInstance(ovrLoc,status);
1144
1145 // no matter what the locale's default number format looked like, we want
1146 // to modify it so that it doesn't use thousands separators, doesn't always
1147 // show the decimal point, and recognizes integers only when parsing
1148
1149 if (U_SUCCESS(status)) {
1150 nf->setGroupingUsed(FALSE);
1151 DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(nf);
1152 if (decfmt != NULL) {
1153 decfmt->setDecimalSeparatorAlwaysShown(FALSE);
1154 }
1155 nf->setParseIntegerOnly(TRUE);
1156 nf->setMinimumFractionDigits(0); // To prevent "Jan 1.00, 1997.00"
1157
1158 cur->nf = nf;
1159 cur->hash = nsNameHash;
1160 cur->next = fOverrideList;
1161 fOverrideList = cur;
1162 }
1163 else {
1164 // clean up before returning
1165 if (cur != NULL) {
1166 uprv_free(cur);
1167 }
1168 return;
1169 }
1170
1171 } else {
1172 status = U_MEMORY_ALLOCATION_ERROR;
1173 return;
1174 }
1175 }
1176
1177 // Now that we have an appropriate number formatter, fill in the appropriate spaces in the
1178 // number formatters table.
1179
1180 if (ovrField.isBogus()) {
1181 switch (type) {
1182 case kOvrStrDate:
1183 case kOvrStrBoth: {
1184 for ( int8_t i=0 ; i<kDateFieldsCount; i++ ) {
1185 fNumberFormatters[kDateFields[i]] = nf;
1186 }
1187 if (type==kOvrStrDate) {
1188 break;
1189 }
1190 }
1191 case kOvrStrTime : {
1192 for ( int8_t i=0 ; i<kTimeFieldsCount; i++ ) {
1193 fNumberFormatters[kTimeFields[i]] = nf;
1194 }
1195 break;
1196 }
1197 }
1198 } else {
1199 // if the pattern character is unrecognized, signal an error and bail out
1200 UDateFormatField patternCharIndex =
1201 DateFormatSymbols::getPatternCharIndex(ovrField.charAt(0));
1202 if (patternCharIndex == UDAT_FIELD_COUNT) {
1203 status = U_INVALID_FORMAT_ERROR;
1204 return;
1205 }
1206
1207 // Set the number formatter in the table
1208 fNumberFormatters[patternCharIndex] = nf;
1209 }
1210
1211 start = delimiterPosition + 1;
1212 }
1213 }
1214
1215 //---------------------------------------------------------------------
1216 enum {
1217 kUnicodeLatnDigitZero = 0x0030,
1218 kUnicodeLatnDigitNine = 0x0039,
1219 };
1220
1221 void
1222 SimpleDateFormat::subFormat(UnicodeString &appendTo,
1223 UChar ch,
1224 int32_t count,
1225 UDisplayContext capitalizationContext,
1226 int32_t fieldNum,
1227 FieldPositionHandler& handler,
1228 Calendar& cal,
1229 UErrorCode& status) const
1230 {
1231 if (U_FAILURE(status)) {
1232 return;
1233 }
1234
1235 // this function gets called by format() to produce the appropriate substitution
1236 // text for an individual pattern symbol (e.g., "HH" or "yyyy")
1237
1238 UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(ch);
1239 const int32_t maxIntCount = 10;
1240 int32_t beginOffset = appendTo.length();
1241 NumberFormat *currentNumberFormat;
1242 DateFormatSymbols::ECapitalizationContextUsageType capContextUsageType = DateFormatSymbols::kCapContextUsageOther;
1243
1244 UBool isHebrewCalendar = (uprv_strcmp(cal.getType(),"hebrew") == 0);
1245 UBool isChineseCalendar = (uprv_strcmp(cal.getType(),"chinese") == 0);
1246
1247 // if the pattern character is unrecognized, signal an error and dump out
1248 if (patternCharIndex == UDAT_FIELD_COUNT)
1249 {
1250 if (ch != 0x6C) { // pattern char 'l' (SMALL LETTER L) just gets ignored
1251 status = U_INVALID_FORMAT_ERROR;
1252 }
1253 return;
1254 }
1255
1256 UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex];
1257 int32_t value = cal.get(field, status);
1258 if (U_FAILURE(status)) {
1259 return;
1260 }
1261
1262 currentNumberFormat = getNumberFormatByIndex(patternCharIndex);
1263 UBool basicNumFmt = FALSE;
1264 DecimalFormat* df = NULL;
1265 if ( (df = dynamic_cast<DecimalFormat*>(currentNumberFormat)) != NULL ) {
1266 const DecimalFormatSymbols* dfSymbols = df->getDecimalFormatSymbols();
1267 const UnicodeString *zeroDigit = &dfSymbols->getConstSymbol(DecimalFormatSymbols::kZeroDigitSymbol);
1268 const UnicodeString *nineDigit = &dfSymbols->getConstSymbol(DecimalFormatSymbols::kNineDigitSymbol);
1269 basicNumFmt = ( zeroDigit!=NULL && zeroDigit->length()==1 && zeroDigit->charAt(0)==kUnicodeLatnDigitZero &&
1270 nineDigit!=NULL && nineDigit->length()==1 && nineDigit->charAt(0)==kUnicodeLatnDigitNine );
1271 }
1272 UnicodeString hebr("hebr", 4, US_INV);
1273
1274 switch (patternCharIndex) {
1275
1276 // for any "G" symbol, write out the appropriate era string
1277 // "GGGG" is wide era name, "GGGGG" is narrow era name, anything else is abbreviated name
1278 case UDAT_ERA_FIELD:
1279 if (isChineseCalendar) {
1280 zeroPaddingNumber(currentNumberFormat,appendTo, value, 1, 9, basicNumFmt); // as in ICU4J
1281 } else {
1282 if (count == 5) {
1283 _appendSymbol(appendTo, value, fSymbols->fNarrowEras, fSymbols->fNarrowErasCount);
1284 capContextUsageType = DateFormatSymbols::kCapContextUsageEraNarrow;
1285 } else if (count == 4) {
1286 _appendSymbol(appendTo, value, fSymbols->fEraNames, fSymbols->fEraNamesCount);
1287 capContextUsageType = DateFormatSymbols::kCapContextUsageEraWide;
1288 } else {
1289 _appendSymbol(appendTo, value, fSymbols->fEras, fSymbols->fErasCount);
1290 capContextUsageType = DateFormatSymbols::kCapContextUsageEraAbbrev;
1291 }
1292 }
1293 break;
1294
1295 case UDAT_YEAR_NAME_FIELD:
1296 if (fSymbols->fShortYearNames != NULL && value <= fSymbols->fShortYearNamesCount) {
1297 // the Calendar YEAR field runs 1 through 60 for cyclic years
1298 _appendSymbol(appendTo, value - 1, fSymbols->fShortYearNames, fSymbols->fShortYearNamesCount);
1299 break;
1300 }
1301 // else fall through to numeric year handling, do not break here
1302
1303 // OLD: for "yyyy", write out the whole year; for "yy", write out the last 2 digits
1304 // NEW: UTS#35:
1305 //Year y yy yyy yyyy yyyyy
1306 //AD 1 1 01 001 0001 00001
1307 //AD 12 12 12 012 0012 00012
1308 //AD 123 123 23 123 0123 00123
1309 //AD 1234 1234 34 1234 1234 01234
1310 //AD 12345 12345 45 12345 12345 12345
1311 case UDAT_YEAR_FIELD:
1312 case UDAT_YEAR_WOY_FIELD:
1313 if (fDateOverride.compare(hebr)==0 && value>HEBREW_CAL_CUR_MILLENIUM_START_YEAR && value<HEBREW_CAL_CUR_MILLENIUM_END_YEAR) {
1314 value-=HEBREW_CAL_CUR_MILLENIUM_START_YEAR;
1315 }
1316 if(count == 2)
1317 zeroPaddingNumber(currentNumberFormat, appendTo, value, 2, 2, basicNumFmt);
1318 else
1319 zeroPaddingNumber(currentNumberFormat, appendTo, value, count, maxIntCount, basicNumFmt);
1320 break;
1321
1322 // for "MMMM"/"LLLL", write out the whole month name, for "MMM"/"LLL", write out the month
1323 // abbreviation, for "M"/"L" or "MM"/"LL", write out the month as a number with the
1324 // appropriate number of digits
1325 // for "MMMMM"/"LLLLL", use the narrow form
1326 case UDAT_MONTH_FIELD:
1327 case UDAT_STANDALONE_MONTH_FIELD:
1328 if ( isHebrewCalendar ) {
1329 HebrewCalendar *hc = (HebrewCalendar*)&cal;
1330 if (hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value == 6 && count >= 3 )
1331 value = 13; // Show alternate form for Adar II in leap years in Hebrew calendar.
1332 if (!hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value >= 6 && count < 3 )
1333 value--; // Adjust the month number down 1 in Hebrew non-leap years, i.e. Adar is 6, not 7.
1334 }
1335 {
1336 int32_t isLeapMonth = (fSymbols->fLeapMonthPatterns != NULL && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount)?
1337 cal.get(UCAL_IS_LEAP_MONTH, status): 0;
1338 // should consolidate the next section by using arrays of pointers & counts for the right symbols...
1339 if (count == 5) {
1340 if (patternCharIndex == UDAT_MONTH_FIELD) {
1341 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fNarrowMonths, fSymbols->fNarrowMonthsCount,
1342 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatNarrow]): NULL, status);
1343 } else {
1344 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneNarrowMonths, fSymbols->fStandaloneNarrowMonthsCount,
1345 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneNarrow]): NULL, status);
1346 }
1347 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthNarrow;
1348 } else if (count == 4) {
1349 if (patternCharIndex == UDAT_MONTH_FIELD) {
1350 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fMonths, fSymbols->fMonthsCount,
1351 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatWide]): NULL, status);
1352 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthFormat;
1353 } else {
1354 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneMonths, fSymbols->fStandaloneMonthsCount,
1355 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneWide]): NULL, status);
1356 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthStandalone;
1357 }
1358 } else if (count == 3) {
1359 if (patternCharIndex == UDAT_MONTH_FIELD) {
1360 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fShortMonths, fSymbols->fShortMonthsCount,
1361 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatAbbrev]): NULL, status);
1362 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthFormat;
1363 } else {
1364 _appendSymbolWithMonthPattern(appendTo, value, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneShortMonthsCount,
1365 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneAbbrev]): NULL, status);
1366 capContextUsageType = DateFormatSymbols::kCapContextUsageMonthStandalone;
1367 }
1368 } else {
1369 UnicodeString monthNumber;
1370 zeroPaddingNumber(currentNumberFormat,monthNumber, value + 1, count, maxIntCount, basicNumFmt);
1371 _appendSymbolWithMonthPattern(appendTo, 0, &monthNumber, 1,
1372 (isLeapMonth!=0)? &(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternNumeric]): NULL, status);
1373 }
1374 }
1375 break;
1376
1377 // for "k" and "kk", write out the hour, adjusting midnight to appear as "24"
1378 case UDAT_HOUR_OF_DAY1_FIELD:
1379 if (value == 0)
1380 zeroPaddingNumber(currentNumberFormat,appendTo, cal.getMaximum(UCAL_HOUR_OF_DAY) + 1, count, maxIntCount, basicNumFmt);
1381 else
1382 zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount, basicNumFmt);
1383 break;
1384
1385 case UDAT_FRACTIONAL_SECOND_FIELD:
1386 // Fractional seconds left-justify
1387 {
1388 currentNumberFormat->setMinimumIntegerDigits((count > 3) ? 3 : count);
1389 currentNumberFormat->setMaximumIntegerDigits(maxIntCount);
1390 if (count == 1) {
1391 value /= 100;
1392 } else if (count == 2) {
1393 value /= 10;
1394 }
1395 FieldPosition p(0);
1396 currentNumberFormat->format(value, appendTo, p);
1397 if (count > 3) {
1398 currentNumberFormat->setMinimumIntegerDigits(count - 3);
1399 currentNumberFormat->format((int32_t)0, appendTo, p);
1400 }
1401 }
1402 break;
1403
1404 // for "ee" or "e", use local numeric day-of-the-week
1405 // for "EEEEEE" or "eeeeee", write out the short day-of-the-week name
1406 // for "EEEEE" or "eeeee", write out the narrow day-of-the-week name
1407 // for "EEEE" or "eeee", write out the wide day-of-the-week name
1408 // for "EEE" or "EE" or "E" or "eee", write out the abbreviated day-of-the-week name
1409 case UDAT_DOW_LOCAL_FIELD:
1410 if ( count < 3 ) {
1411 zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount, basicNumFmt);
1412 break;
1413 }
1414 // fall through to EEEEE-EEE handling, but for that we don't want local day-of-week,
1415 // we want standard day-of-week, so first fix value to work for EEEEE-EEE.
1416 value = cal.get(UCAL_DAY_OF_WEEK, status);
1417 if (U_FAILURE(status)) {
1418 return;
1419 }
1420 // fall through, do not break here
1421 case UDAT_DAY_OF_WEEK_FIELD:
1422 if (count == 5) {
1423 _appendSymbol(appendTo, value, fSymbols->fNarrowWeekdays,
1424 fSymbols->fNarrowWeekdaysCount);
1425 capContextUsageType = DateFormatSymbols::kCapContextUsageDayNarrow;
1426 } else if (count == 4) {
1427 _appendSymbol(appendTo, value, fSymbols->fWeekdays,
1428 fSymbols->fWeekdaysCount);
1429 capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat;
1430 } else if (count == 6) {
1431 _appendSymbol(appendTo, value, fSymbols->fShorterWeekdays,
1432 fSymbols->fShorterWeekdaysCount);
1433 capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat;
1434 } else {
1435 _appendSymbol(appendTo, value, fSymbols->fShortWeekdays,
1436 fSymbols->fShortWeekdaysCount);
1437 capContextUsageType = DateFormatSymbols::kCapContextUsageDayFormat;
1438 }
1439 break;
1440
1441 // for "ccc", write out the abbreviated day-of-the-week name
1442 // for "cccc", write out the wide day-of-the-week name
1443 // for "ccccc", use the narrow day-of-the-week name
1444 // for "ccccc", use the short day-of-the-week name
1445 case UDAT_STANDALONE_DAY_FIELD:
1446 if ( count < 3 ) {
1447 zeroPaddingNumber(currentNumberFormat,appendTo, value, 1, maxIntCount, basicNumFmt);
1448 break;
1449 }
1450 // fall through to alpha DOW handling, but for that we don't want local day-of-week,
1451 // we want standard day-of-week, so first fix value.
1452 value = cal.get(UCAL_DAY_OF_WEEK, status);
1453 if (U_FAILURE(status)) {
1454 return;
1455 }
1456 if (count == 5) {
1457 _appendSymbol(appendTo, value, fSymbols->fStandaloneNarrowWeekdays,
1458 fSymbols->fStandaloneNarrowWeekdaysCount);
1459 capContextUsageType = DateFormatSymbols::kCapContextUsageDayNarrow;
1460 } else if (count == 4) {
1461 _appendSymbol(appendTo, value, fSymbols->fStandaloneWeekdays,
1462 fSymbols->fStandaloneWeekdaysCount);
1463 capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone;
1464 } else if (count == 6) {
1465 _appendSymbol(appendTo, value, fSymbols->fStandaloneShorterWeekdays,
1466 fSymbols->fStandaloneShorterWeekdaysCount);
1467 capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone;
1468 } else { // count == 3
1469 _appendSymbol(appendTo, value, fSymbols->fStandaloneShortWeekdays,
1470 fSymbols->fStandaloneShortWeekdaysCount);
1471 capContextUsageType = DateFormatSymbols::kCapContextUsageDayStandalone;
1472 }
1473 break;
1474
1475 // for and "a" symbol, write out the whole AM/PM string
1476 case UDAT_AM_PM_FIELD:
1477 _appendSymbol(appendTo, value, fSymbols->fAmPms,
1478 fSymbols->fAmPmsCount);
1479 break;
1480
1481 // for "h" and "hh", write out the hour, adjusting noon and midnight to show up
1482 // as "12"
1483 case UDAT_HOUR1_FIELD:
1484 if (value == 0)
1485 zeroPaddingNumber(currentNumberFormat,appendTo, cal.getLeastMaximum(UCAL_HOUR) + 1, count, maxIntCount, basicNumFmt);
1486 else
1487 zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount, basicNumFmt);
1488 break;
1489
1490 case UDAT_TIMEZONE_FIELD: // 'z'
1491 case UDAT_TIMEZONE_RFC_FIELD: // 'Z'
1492 case UDAT_TIMEZONE_GENERIC_FIELD: // 'v'
1493 case UDAT_TIMEZONE_SPECIAL_FIELD: // 'V'
1494 case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD: // 'O'
1495 case UDAT_TIMEZONE_ISO_FIELD: // 'X'
1496 case UDAT_TIMEZONE_ISO_LOCAL_FIELD: // 'x'
1497 {
1498 UnicodeString zoneString;
1499 const TimeZone& tz = cal.getTimeZone();
1500 UDate date = cal.getTime(status);
1501 if (U_SUCCESS(status)) {
1502 if (patternCharIndex == UDAT_TIMEZONE_FIELD) {
1503 if (count < 4) {
1504 // "z", "zz", "zzz"
1505 tzFormat()->format(UTZFMT_STYLE_SPECIFIC_SHORT, tz, date, zoneString);
1506 capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneShort;
1507 } else {
1508 // "zzzz" or longer
1509 tzFormat()->format(UTZFMT_STYLE_SPECIFIC_LONG, tz, date, zoneString);
1510 capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneLong;
1511 }
1512 }
1513 else if (patternCharIndex == UDAT_TIMEZONE_RFC_FIELD) {
1514 if (count < 4) {
1515 // "Z"
1516 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL, tz, date, zoneString);
1517 } else if (count == 5) {
1518 // "ZZZZZ"
1519 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_FULL, tz, date, zoneString);
1520 } else {
1521 // "ZZ", "ZZZ", "ZZZZ"
1522 tzFormat()->format(UTZFMT_STYLE_LOCALIZED_GMT, tz, date, zoneString);
1523 }
1524 }
1525 else if (patternCharIndex == UDAT_TIMEZONE_GENERIC_FIELD) {
1526 if (count == 1) {
1527 // "v"
1528 tzFormat()->format(UTZFMT_STYLE_GENERIC_SHORT, tz, date, zoneString);
1529 capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneShort;
1530 } else if (count == 4) {
1531 // "vvvv"
1532 tzFormat()->format(UTZFMT_STYLE_GENERIC_LONG, tz, date, zoneString);
1533 capContextUsageType = DateFormatSymbols::kCapContextUsageMetazoneLong;
1534 }
1535 }
1536 else if (patternCharIndex == UDAT_TIMEZONE_SPECIAL_FIELD) {
1537 if (count == 1) {
1538 // "V"
1539 tzFormat()->format(UTZFMT_STYLE_ZONE_ID_SHORT, tz, date, zoneString);
1540 } else if (count == 2) {
1541 // "VV"
1542 tzFormat()->format(UTZFMT_STYLE_ZONE_ID, tz, date, zoneString);
1543 } else if (count == 3) {
1544 // "VVV"
1545 tzFormat()->format(UTZFMT_STYLE_EXEMPLAR_LOCATION, tz, date, zoneString);
1546 } else if (count == 4) {
1547 // "VVVV"
1548 tzFormat()->format(UTZFMT_STYLE_GENERIC_LOCATION, tz, date, zoneString);
1549 capContextUsageType = DateFormatSymbols::kCapContextUsageZoneLong;
1550 }
1551 }
1552 else if (patternCharIndex == UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD) {
1553 if (count == 1) {
1554 // "O"
1555 tzFormat()->format(UTZFMT_STYLE_LOCALIZED_GMT_SHORT, tz, date, zoneString);
1556 } else if (count == 4) {
1557 // "OOOO"
1558 tzFormat()->format(UTZFMT_STYLE_LOCALIZED_GMT, tz, date, zoneString);
1559 }
1560 }
1561 else if (patternCharIndex == UDAT_TIMEZONE_ISO_FIELD) {
1562 if (count == 1) {
1563 // "X"
1564 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_SHORT, tz, date, zoneString);
1565 } else if (count == 2) {
1566 // "XX"
1567 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_FIXED, tz, date, zoneString);
1568 } else if (count == 3) {
1569 // "XXX"
1570 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_FIXED, tz, date, zoneString);
1571 } else if (count == 4) {
1572 // "XXXX"
1573 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_FULL, tz, date, zoneString);
1574 } else if (count == 5) {
1575 // "XXXXX"
1576 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_FULL, tz, date, zoneString);
1577 }
1578 }
1579 else if (patternCharIndex == UDAT_TIMEZONE_ISO_LOCAL_FIELD) {
1580 if (count == 1) {
1581 // "x"
1582 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT, tz, date, zoneString);
1583 } else if (count == 2) {
1584 // "xx"
1585 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED, tz, date, zoneString);
1586 } else if (count == 3) {
1587 // "xxx"
1588 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED, tz, date, zoneString);
1589 } else if (count == 4) {
1590 // "xxxx"
1591 tzFormat()->format(UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL, tz, date, zoneString);
1592 } else if (count == 5) {
1593 // "xxxxx"
1594 tzFormat()->format(UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL, tz, date, zoneString);
1595 }
1596 }
1597 else {
1598 U_ASSERT(FALSE);
1599 }
1600 }
1601 appendTo += zoneString;
1602 }
1603 break;
1604
1605 case UDAT_QUARTER_FIELD:
1606 if (count >= 4)
1607 _appendSymbol(appendTo, value/3, fSymbols->fQuarters,
1608 fSymbols->fQuartersCount);
1609 else if (count == 3)
1610 _appendSymbol(appendTo, value/3, fSymbols->fShortQuarters,
1611 fSymbols->fShortQuartersCount);
1612 else
1613 zeroPaddingNumber(currentNumberFormat,appendTo, (value/3) + 1, count, maxIntCount, basicNumFmt);
1614 break;
1615
1616 case UDAT_STANDALONE_QUARTER_FIELD:
1617 if (count >= 4)
1618 _appendSymbol(appendTo, value/3, fSymbols->fStandaloneQuarters,
1619 fSymbols->fStandaloneQuartersCount);
1620 else if (count == 3)
1621 _appendSymbol(appendTo, value/3, fSymbols->fStandaloneShortQuarters,
1622 fSymbols->fStandaloneShortQuartersCount);
1623 else
1624 zeroPaddingNumber(currentNumberFormat,appendTo, (value/3) + 1, count, maxIntCount, basicNumFmt);
1625 break;
1626
1627
1628 // all of the other pattern symbols can be formatted as simple numbers with
1629 // appropriate zero padding
1630 default:
1631 zeroPaddingNumber(currentNumberFormat,appendTo, value, count, maxIntCount, basicNumFmt);
1632 break;
1633 }
1634 #if !UCONFIG_NO_BREAK_ITERATION
1635 if (fieldNum == 0) {
1636 // first field, check to see whether we need to titlecase it
1637 UBool titlecase = FALSE;
1638 switch (capitalizationContext) {
1639 case UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE:
1640 titlecase = TRUE;
1641 break;
1642 case UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU:
1643 titlecase = fSymbols->fCapitalization[capContextUsageType][0];
1644 break;
1645 case UDISPCTX_CAPITALIZATION_FOR_STANDALONE:
1646 titlecase = fSymbols->fCapitalization[capContextUsageType][1];
1647 break;
1648 default:
1649 // titlecase = FALSE;
1650 break;
1651 }
1652 if (titlecase) {
1653 UnicodeString firstField(appendTo, beginOffset);
1654 firstField.toTitle(NULL, fLocale, U_TITLECASE_NO_LOWERCASE | U_TITLECASE_NO_BREAK_ADJUSTMENT);
1655 appendTo.replaceBetween(beginOffset, appendTo.length(), firstField);
1656 }
1657 }
1658 #endif
1659
1660 handler.addAttribute(fgPatternIndexToDateFormatField[patternCharIndex], beginOffset, appendTo.length());
1661 }
1662
1663 //----------------------------------------------------------------------
1664
1665 NumberFormat *
1666 SimpleDateFormat::getNumberFormatByIndex(UDateFormatField index) const {
1667 if (fNumberFormatters != NULL) {
1668 return fNumberFormatters[index];
1669 } else {
1670 return fNumberFormat;
1671 }
1672 }
1673
1674 //----------------------------------------------------------------------
1675 enum { kBasicNumMaxDigits = 16 };
1676
1677 void
1678 SimpleDateFormat::zeroPaddingNumber(NumberFormat *currentNumberFormat,UnicodeString &appendTo,
1679 int32_t value, int32_t minDigits, int32_t maxDigits, UBool basicNumFmt) const
1680 {
1681 if (basicNumFmt && maxDigits <= kBasicNumMaxDigits && minDigits <= maxDigits && value >= 0) {
1682 UChar basicNum[kBasicNumMaxDigits];
1683 UChar * basicNumPtr = basicNum + kBasicNumMaxDigits;
1684 int32_t remainingValue = value;
1685 int32_t currentDigits = 0;
1686 do {
1687 *--basicNumPtr = kUnicodeLatnDigitZero + (remainingValue % 10);
1688 remainingValue /= 10;
1689 ++currentDigits;
1690 } while (currentDigits < minDigits || (remainingValue > 0 && currentDigits < maxDigits));
1691 if (remainingValue == 0) {
1692 appendTo.append(basicNumPtr, currentDigits);
1693 return;
1694 }
1695 }
1696 if (currentNumberFormat!=NULL) {
1697 FieldPosition pos(0);
1698
1699 currentNumberFormat->setMinimumIntegerDigits(minDigits);
1700 currentNumberFormat->setMaximumIntegerDigits(maxDigits);
1701 currentNumberFormat->format(value, appendTo, pos); // 3rd arg is there to speed up processing
1702 }
1703 }
1704
1705 //----------------------------------------------------------------------
1706
1707 /**
1708 * Return true if the given format character, occuring count
1709 * times, represents a numeric field.
1710 */
1711 UBool SimpleDateFormat::isNumeric(UChar formatChar, int32_t count) {
1712 return DateFormatSymbols::isNumericPatternChar(formatChar, count);
1713 }
1714
1715 UBool
1716 SimpleDateFormat::isAtNumericField(const UnicodeString &pattern, int32_t patternOffset) {
1717 if (patternOffset >= pattern.length()) {
1718 // not at any field
1719 return FALSE;
1720 }
1721 UChar ch = pattern.charAt(patternOffset);
1722 UDateFormatField f = DateFormatSymbols::getPatternCharIndex(ch);
1723 if (f == UDAT_FIELD_COUNT) {
1724 // not at any field
1725 return FALSE;
1726 }
1727 int32_t i = patternOffset;
1728 while (pattern.charAt(++i) == ch) {}
1729 return DateFormatSymbols::isNumericField(f, i - patternOffset);
1730 }
1731
1732 UBool
1733 SimpleDateFormat::isAfterNonNumericField(const UnicodeString &pattern, int32_t patternOffset) {
1734 if (patternOffset <= 0) {
1735 // not after any field
1736 return FALSE;
1737 }
1738 UChar ch = pattern.charAt(--patternOffset);
1739 UDateFormatField f = DateFormatSymbols::getPatternCharIndex(ch);
1740 if (f == UDAT_FIELD_COUNT) {
1741 // not after any field
1742 return FALSE;
1743 }
1744 int32_t i = patternOffset;
1745 while (pattern.charAt(--i) == ch) {}
1746 return !DateFormatSymbols::isNumericField(f, patternOffset - i);
1747 }
1748
1749 void
1750 SimpleDateFormat::parse(const UnicodeString& text, Calendar& cal, ParsePosition& parsePos) const
1751 {
1752 UErrorCode status = U_ZERO_ERROR;
1753 int32_t pos = parsePos.getIndex();
1754 int32_t start = pos;
1755
1756 UBool ambiguousYear[] = { FALSE };
1757 int32_t saveHebrewMonth = -1;
1758 int32_t count = 0;
1759
1760 UBool lenient = isLenient();
1761
1762 // hack, reset tztype, cast away const
1763 ((SimpleDateFormat*)this)->tztype = UTZFMT_TIME_TYPE_UNKNOWN;
1764
1765 // For parsing abutting numeric fields. 'abutPat' is the
1766 // offset into 'pattern' of the first of 2 or more abutting
1767 // numeric fields. 'abutStart' is the offset into 'text'
1768 // where parsing the fields begins. 'abutPass' starts off as 0
1769 // and increments each time we try to parse the fields.
1770 int32_t abutPat = -1; // If >=0, we are in a run of abutting numeric fields
1771 int32_t abutStart = 0;
1772 int32_t abutPass = 0;
1773 UBool inQuote = FALSE;
1774
1775 MessageFormat * numericLeapMonthFormatter = NULL;
1776
1777 Calendar* calClone = NULL;
1778 Calendar *workCal = &cal;
1779 if (&cal != fCalendar && uprv_strcmp(cal.getType(), fCalendar->getType()) != 0) {
1780 // Different calendar type
1781 // We use the time/zone from the input calendar, but
1782 // do not use the input calendar for field calculation.
1783 calClone = fCalendar->clone();
1784 if (calClone != NULL) {
1785 calClone->setTime(cal.getTime(status),status);
1786 if (U_FAILURE(status)) {
1787 goto ExitParse;
1788 }
1789 calClone->setTimeZone(cal.getTimeZone());
1790 workCal = calClone;
1791 } else {
1792 status = U_MEMORY_ALLOCATION_ERROR;
1793 goto ExitParse;
1794 }
1795 }
1796
1797 if (fSymbols->fLeapMonthPatterns != NULL && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount) {
1798 numericLeapMonthFormatter = new MessageFormat(fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternNumeric], fLocale, status);
1799 if (numericLeapMonthFormatter == NULL) {
1800 status = U_MEMORY_ALLOCATION_ERROR;
1801 goto ExitParse;
1802 } else if (U_FAILURE(status)) {
1803 goto ExitParse; // this will delete numericLeapMonthFormatter
1804 }
1805 }
1806
1807 for (int32_t i=0; i<fPattern.length(); ++i) {
1808 UChar ch = fPattern.charAt(i);
1809
1810 // Handle alphabetic field characters.
1811 if (!inQuote && ((ch >= 0x41 && ch <= 0x5A) || (ch >= 0x61 && ch <= 0x7A))) { // [A-Za-z]
1812 int32_t fieldPat = i;
1813
1814 // Count the length of this field specifier
1815 count = 1;
1816 while ((i+1)<fPattern.length() &&
1817 fPattern.charAt(i+1) == ch) {
1818 ++count;
1819 ++i;
1820 }
1821
1822 if (isNumeric(ch, count)) {
1823 if (abutPat < 0) {
1824 // Determine if there is an abutting numeric field.
1825 // Record the start of a set of abutting numeric fields.
1826 if (isAtNumericField(fPattern, i + 1)) {
1827 abutPat = fieldPat;
1828 abutStart = pos;
1829 abutPass = 0;
1830 }
1831 }
1832 } else {
1833 abutPat = -1; // End of any abutting fields
1834 }
1835
1836 // Handle fields within a run of abutting numeric fields. Take
1837 // the pattern "HHmmss" as an example. We will try to parse
1838 // 2/2/2 characters of the input text, then if that fails,
1839 // 1/2/2. We only adjust the width of the leftmost field; the
1840 // others remain fixed. This allows "123456" => 12:34:56, but
1841 // "12345" => 1:23:45. Likewise, for the pattern "yyyyMMdd" we
1842 // try 4/2/2, 3/2/2, 2/2/2, and finally 1/2/2.
1843 if (abutPat >= 0) {
1844 // If we are at the start of a run of abutting fields, then
1845 // shorten this field in each pass. If we can't shorten
1846 // this field any more, then the parse of this set of
1847 // abutting numeric fields has failed.
1848 if (fieldPat == abutPat) {
1849 count -= abutPass++;
1850 if (count == 0) {
1851 status = U_PARSE_ERROR;
1852 goto ExitParse;
1853 }
1854 }
1855
1856 pos = subParse(text, pos, ch, count,
1857 TRUE, FALSE, ambiguousYear, saveHebrewMonth, *workCal, i, numericLeapMonthFormatter);
1858
1859 // If the parse fails anywhere in the run, back up to the
1860 // start of the run and retry.
1861 if (pos < 0) {
1862 i = abutPat - 1;
1863 pos = abutStart;
1864 continue;
1865 }
1866 }
1867
1868 // Handle non-numeric fields and non-abutting numeric
1869 // fields.
1870 else if (ch != 0x6C) { // pattern char 'l' (SMALL LETTER L) just gets ignored
1871 int32_t s = subParse(text, pos, ch, count,
1872 FALSE, TRUE, ambiguousYear, saveHebrewMonth, *workCal, i, numericLeapMonthFormatter);
1873
1874 if (s == -pos-1) {
1875 // era not present, in special cases allow this to continue
1876 // from the position where the era was expected
1877 s = pos;
1878
1879 if (i+1 < fPattern.length()) {
1880 // move to next pattern character
1881 UChar ch = fPattern.charAt(i+1);
1882
1883 // check for whitespace
1884 if (PatternProps::isWhiteSpace(ch)) {
1885 i++;
1886 // Advance over run in pattern
1887 while ((i+1)<fPattern.length() &&
1888 PatternProps::isWhiteSpace(fPattern.charAt(i+1))) {
1889 ++i;
1890 }
1891 }
1892 }
1893 }
1894 else if (s <= 0) {
1895 status = U_PARSE_ERROR;
1896 goto ExitParse;
1897 }
1898 pos = s;
1899 }
1900 }
1901
1902 // Handle literal pattern characters. These are any
1903 // quoted characters and non-alphabetic unquoted
1904 // characters.
1905 else {
1906
1907 abutPat = -1; // End of any abutting fields
1908
1909 if (! matchLiterals(fPattern, i, text, pos, lenient)) {
1910 status = U_PARSE_ERROR;
1911 goto ExitParse;
1912 }
1913 }
1914 }
1915
1916 // Special hack for trailing "." after non-numeric field.
1917 if (text.charAt(pos) == 0x2e && lenient) {
1918 // only do if the last field is not numeric
1919 if (isAfterNonNumericField(fPattern, fPattern.length())) {
1920 pos++; // skip the extra "."
1921 }
1922 }
1923
1924 // At this point the fields of Calendar have been set. Calendar
1925 // will fill in default values for missing fields when the time
1926 // is computed.
1927
1928 parsePos.setIndex(pos);
1929
1930 // This part is a problem: When we call parsedDate.after, we compute the time.
1931 // Take the date April 3 2004 at 2:30 am. When this is first set up, the year
1932 // will be wrong if we're parsing a 2-digit year pattern. It will be 1904.
1933 // April 3 1904 is a Sunday (unlike 2004) so it is the DST onset day. 2:30 am
1934 // is therefore an "impossible" time, since the time goes from 1:59 to 3:00 am
1935 // on that day. It is therefore parsed out to fields as 3:30 am. Then we
1936 // add 100 years, and get April 3 2004 at 3:30 am. Note that April 3 2004 is
1937 // a Saturday, so it can have a 2:30 am -- and it should. [LIU]
1938 /*
1939 UDate parsedDate = calendar.getTime();
1940 if( ambiguousYear[0] && !parsedDate.after(fDefaultCenturyStart) ) {
1941 calendar.add(Calendar.YEAR, 100);
1942 parsedDate = calendar.getTime();
1943 }
1944 */
1945 // Because of the above condition, save off the fields in case we need to readjust.
1946 // The procedure we use here is not particularly efficient, but there is no other
1947 // way to do this given the API restrictions present in Calendar. We minimize
1948 // inefficiency by only performing this computation when it might apply, that is,
1949 // when the two-digit year is equal to the start year, and thus might fall at the
1950 // front or the back of the default century. This only works because we adjust
1951 // the year correctly to start with in other cases -- see subParse().
1952 if (ambiguousYear[0] || tztype != UTZFMT_TIME_TYPE_UNKNOWN) // If this is true then the two-digit year == the default start year
1953 {
1954 // We need a copy of the fields, and we need to avoid triggering a call to
1955 // complete(), which will recalculate the fields. Since we can't access
1956 // the fields[] array in Calendar, we clone the entire object. This will
1957 // stop working if Calendar.clone() is ever rewritten to call complete().
1958 Calendar *copy;
1959 if (ambiguousYear[0]) {
1960 copy = cal.clone();
1961 // Check for failed cloning.
1962 if (copy == NULL) {
1963 status = U_MEMORY_ALLOCATION_ERROR;
1964 goto ExitParse;
1965 }
1966 UDate parsedDate = copy->getTime(status);
1967 // {sfb} check internalGetDefaultCenturyStart
1968 if (fHaveDefaultCentury && (parsedDate < fDefaultCenturyStart)) {
1969 // We can't use add here because that does a complete() first.
1970 cal.set(UCAL_YEAR, fDefaultCenturyStartYear + 100);
1971 }
1972 delete copy;
1973 }
1974
1975 if (tztype != UTZFMT_TIME_TYPE_UNKNOWN) {
1976 copy = cal.clone();
1977 // Check for failed cloning.
1978 if (copy == NULL) {
1979 status = U_MEMORY_ALLOCATION_ERROR;
1980 goto ExitParse;
1981 }
1982 const TimeZone & tz = cal.getTimeZone();
1983 BasicTimeZone *btz = NULL;
1984
1985 if (dynamic_cast<const OlsonTimeZone *>(&tz) != NULL
1986 || dynamic_cast<const SimpleTimeZone *>(&tz) != NULL
1987 || dynamic_cast<const RuleBasedTimeZone *>(&tz) != NULL
1988 || dynamic_cast<const VTimeZone *>(&tz) != NULL) {
1989 btz = (BasicTimeZone*)&tz;
1990 }
1991
1992 // Get local millis
1993 copy->set(UCAL_ZONE_OFFSET, 0);
1994 copy->set(UCAL_DST_OFFSET, 0);
1995 UDate localMillis = copy->getTime(status);
1996
1997 // Make sure parsed time zone type (Standard or Daylight)
1998 // matches the rule used by the parsed time zone.
1999 int32_t raw, dst;
2000 if (btz != NULL) {
2001 if (tztype == UTZFMT_TIME_TYPE_STANDARD) {
2002 btz->getOffsetFromLocal(localMillis,
2003 BasicTimeZone::kStandard, BasicTimeZone::kStandard, raw, dst, status);
2004 } else {
2005 btz->getOffsetFromLocal(localMillis,
2006 BasicTimeZone::kDaylight, BasicTimeZone::kDaylight, raw, dst, status);
2007 }
2008 } else {
2009 // No good way to resolve ambiguous time at transition,
2010 // but following code work in most case.
2011 tz.getOffset(localMillis, TRUE, raw, dst, status);
2012 }
2013
2014 // Now, compare the results with parsed type, either standard or daylight saving time
2015 int32_t resolvedSavings = dst;
2016 if (tztype == UTZFMT_TIME_TYPE_STANDARD) {
2017 if (dst != 0) {
2018 // Override DST_OFFSET = 0 in the result calendar
2019 resolvedSavings = 0;
2020 }
2021 } else { // tztype == TZTYPE_DST
2022 if (dst == 0) {
2023 if (btz != NULL) {
2024 UDate time = localMillis + raw;
2025 // We use the nearest daylight saving time rule.
2026 TimeZoneTransition beforeTrs, afterTrs;
2027 UDate beforeT = time, afterT = time;
2028 int32_t beforeSav = 0, afterSav = 0;
2029 UBool beforeTrsAvail, afterTrsAvail;
2030
2031 // Search for DST rule before or on the time
2032 while (TRUE) {
2033 beforeTrsAvail = btz->getPreviousTransition(beforeT, TRUE, beforeTrs);
2034 if (!beforeTrsAvail) {
2035 break;
2036 }
2037 beforeT = beforeTrs.getTime() - 1;
2038 beforeSav = beforeTrs.getFrom()->getDSTSavings();
2039 if (beforeSav != 0) {
2040 break;
2041 }
2042 }
2043
2044 // Search for DST rule after the time
2045 while (TRUE) {
2046 afterTrsAvail = btz->getNextTransition(afterT, FALSE, afterTrs);
2047 if (!afterTrsAvail) {
2048 break;
2049 }
2050 afterT = afterTrs.getTime();
2051 afterSav = afterTrs.getTo()->getDSTSavings();
2052 if (afterSav != 0) {
2053 break;
2054 }
2055 }
2056
2057 if (beforeTrsAvail && afterTrsAvail) {
2058 if (time - beforeT > afterT - time) {
2059 resolvedSavings = afterSav;
2060 } else {
2061 resolvedSavings = beforeSav;
2062 }
2063 } else if (beforeTrsAvail && beforeSav != 0) {
2064 resolvedSavings = beforeSav;
2065 } else if (afterTrsAvail && afterSav != 0) {
2066 resolvedSavings = afterSav;
2067 } else {
2068 resolvedSavings = btz->getDSTSavings();
2069 }
2070 } else {
2071 resolvedSavings = tz.getDSTSavings();
2072 }
2073 if (resolvedSavings == 0) {
2074 // final fallback
2075 resolvedSavings = U_MILLIS_PER_HOUR;
2076 }
2077 }
2078 }
2079 cal.set(UCAL_ZONE_OFFSET, raw);
2080 cal.set(UCAL_DST_OFFSET, resolvedSavings);
2081 delete copy;
2082 }
2083 }
2084 ExitParse:
2085 // Set the parsed result if local calendar is used
2086 // instead of the input calendar
2087 if (U_SUCCESS(status) && workCal != &cal) {
2088 cal.setTimeZone(workCal->getTimeZone());
2089 cal.setTime(workCal->getTime(status), status);
2090 }
2091
2092 if (numericLeapMonthFormatter != NULL) {
2093 delete numericLeapMonthFormatter;
2094 }
2095 if (calClone != NULL) {
2096 delete calClone;
2097 }
2098
2099 // If any Calendar calls failed, we pretend that we
2100 // couldn't parse the string, when in reality this isn't quite accurate--
2101 // we did parse it; the Calendar calls just failed.
2102 if (U_FAILURE(status)) {
2103 parsePos.setErrorIndex(pos);
2104 parsePos.setIndex(start);
2105 }
2106 }
2107
2108 UDate
2109 SimpleDateFormat::parse( const UnicodeString& text,
2110 ParsePosition& pos) const {
2111 // redefined here because the other parse() function hides this function's
2112 // cunterpart on DateFormat
2113 return DateFormat::parse(text, pos);
2114 }
2115
2116 UDate
2117 SimpleDateFormat::parse(const UnicodeString& text, UErrorCode& status) const
2118 {
2119 // redefined here because the other parse() function hides this function's
2120 // counterpart on DateFormat
2121 return DateFormat::parse(text, status);
2122 }
2123 //----------------------------------------------------------------------
2124
2125 static UBool
2126 newBestMatchWithOptionalDot(const UnicodeString &lcaseText,
2127 const UnicodeString &data,
2128 UnicodeString &bestMatchName,
2129 int32_t &bestMatchLength);
2130
2131 int32_t SimpleDateFormat::matchQuarterString(const UnicodeString& text,
2132 int32_t start,
2133 UCalendarDateFields field,
2134 const UnicodeString* data,
2135 int32_t dataCount,
2136 Calendar& cal) const
2137 {
2138 int32_t i = 0;
2139 int32_t count = dataCount;
2140
2141 // There may be multiple strings in the data[] array which begin with
2142 // the same prefix (e.g., Cerven and Cervenec (June and July) in Czech).
2143 // We keep track of the longest match, and return that. Note that this
2144 // unfortunately requires us to test all array elements.
2145 int32_t bestMatchLength = 0, bestMatch = -1;
2146 UnicodeString bestMatchName;
2147
2148 // {sfb} kludge to support case-insensitive comparison
2149 // {markus 2002oct11} do not just use caseCompareBetween because we do not know
2150 // the length of the match after case folding
2151 // {alan 20040607} don't case change the whole string, since the length
2152 // can change
2153 // TODO we need a case-insensitive startsWith function
2154 UnicodeString lcaseText;
2155 text.extract(start, INT32_MAX, lcaseText);
2156 lcaseText.foldCase();
2157
2158 for (; i < count; ++i)
2159 {
2160 // Always compare if we have no match yet; otherwise only compare
2161 // against potentially better matches (longer strings).
2162
2163 if (newBestMatchWithOptionalDot(lcaseText, data[i], bestMatchName, bestMatchLength)) {
2164 bestMatch = i;
2165 }
2166 }
2167 if (bestMatch >= 0)
2168 {
2169 cal.set(field, bestMatch * 3);
2170
2171 // Once we have a match, we have to determine the length of the
2172 // original source string. This will usually be == the length of
2173 // the case folded string, but it may differ (e.g. sharp s).
2174
2175 // Most of the time, the length will be the same as the length
2176 // of the string from the locale data. Sometimes it will be
2177 // different, in which case we will have to figure it out by
2178 // adding a character at a time, until we have a match. We do
2179 // this all in one loop, where we try 'len' first (at index
2180 // i==0).
2181 int32_t len = bestMatchName.length(); // 99+% of the time
2182 int32_t n = text.length() - start;
2183 for (i=0; i<=n; ++i) {
2184 int32_t j=i;
2185 if (i == 0) {
2186 j = len;
2187 } else if (i == len) {
2188 continue; // already tried this when i was 0
2189 }
2190 text.extract(start, j, lcaseText);
2191 lcaseText.foldCase();
2192 if (bestMatchName == lcaseText) {
2193 return start + j;
2194 }
2195 }
2196 }
2197
2198 return -start;
2199 }
2200
2201 //----------------------------------------------------------------------
2202 UBool SimpleDateFormat::matchLiterals(const UnicodeString &pattern,
2203 int32_t &patternOffset,
2204 const UnicodeString &text,
2205 int32_t &textOffset,
2206 UBool lenient)
2207 {
2208 UBool inQuote = FALSE;
2209 UnicodeString literal;
2210 int32_t i = patternOffset;
2211
2212 // scan pattern looking for contiguous literal characters
2213 for ( ; i < pattern.length(); i += 1) {
2214 UChar ch = pattern.charAt(i);
2215
2216 if (!inQuote && ((ch >= 0x41 && ch <= 0x5A) || (ch >= 0x61 && ch <= 0x7A))) { // unquoted [A-Za-z]
2217 break;
2218 }
2219
2220 if (ch == QUOTE) {
2221 // Match a quote literal ('') inside OR outside of quotes
2222 if ((i + 1) < pattern.length() && pattern.charAt(i + 1) == QUOTE) {
2223 i += 1;
2224 } else {
2225 inQuote = !inQuote;
2226 continue;
2227 }
2228 }
2229
2230 literal += ch;
2231 }
2232
2233 // at this point, literal contains the literal text
2234 // and i is the index of the next non-literal pattern character.
2235 int32_t p;
2236 int32_t t = textOffset;
2237
2238 if (lenient) {
2239 // trim leading, trailing whitespace from
2240 // the literal text
2241 literal.trim();
2242
2243 // ignore any leading whitespace in the text
2244 while (t < text.length() && u_isWhitespace(text.charAt(t))) {
2245 t += 1;
2246 }
2247 }
2248
2249 for (p = 0; p < literal.length() && t < text.length();) {
2250 UBool needWhitespace = FALSE;
2251
2252 while (p < literal.length() && PatternProps::isWhiteSpace(literal.charAt(p))) {
2253 needWhitespace = TRUE;
2254 p += 1;
2255 }
2256
2257 if (needWhitespace) {
2258 int32_t tStart = t;
2259
2260 while (t < text.length()) {
2261 UChar tch = text.charAt(t);
2262
2263 if (!u_isUWhiteSpace(tch) && !PatternProps::isWhiteSpace(tch)) {
2264 break;
2265 }
2266
2267 t += 1;
2268 }
2269
2270 // TODO: should we require internal spaces
2271 // in lenient mode? (There won't be any
2272 // leading or trailing spaces)
2273 if (!lenient && t == tStart) {
2274 // didn't find matching whitespace:
2275 // an error in strict mode
2276 return FALSE;
2277 }
2278
2279 // In strict mode, this run of whitespace
2280 // may have been at the end.
2281 if (p >= literal.length()) {
2282 break;
2283 }
2284 }
2285
2286 if (t >= text.length() || literal.charAt(p) != text.charAt(t)) {
2287 // Ran out of text, or found a non-matching character:
2288 // OK in lenient mode, an error in strict mode.
2289 if (lenient) {
2290 if (t == textOffset && text.charAt(t) == 0x2e &&
2291 isAfterNonNumericField(pattern, patternOffset)) {
2292 // Lenient mode and the literal input text begins with a "." and
2293 // we are after a non-numeric field: We skip the "."
2294 ++t;
2295 continue; // Do not update p.
2296 }
2297 break;
2298 }
2299
2300 return FALSE;
2301 }
2302 ++p;
2303 ++t;
2304 }
2305
2306 // At this point if we're in strict mode we have a complete match.
2307 // If we're in lenient mode we may have a partial match, or no
2308 // match at all.
2309 if (p <= 0) {
2310 // no match. Pretend it matched a run of whitespace
2311 // and ignorables in the text.
2312 const UnicodeSet *ignorables = NULL;
2313 UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(pattern.charAt(i));
2314 if (patternCharIndex != UDAT_FIELD_COUNT) {
2315 ignorables = SimpleDateFormatStaticSets::getIgnorables(patternCharIndex);
2316 }
2317
2318 for (t = textOffset; t < text.length(); t += 1) {
2319 UChar ch = text.charAt(t);
2320
2321 if (ignorables == NULL || !ignorables->contains(ch)) {
2322 break;
2323 }
2324 }
2325 }
2326
2327 // if we get here, we've got a complete match.
2328 patternOffset = i - 1;
2329 textOffset = t;
2330
2331 return TRUE;
2332 }
2333
2334 //----------------------------------------------------------------------
2335
2336 int32_t SimpleDateFormat::matchString(const UnicodeString& text,
2337 int32_t start,
2338 UCalendarDateFields field,
2339 const UnicodeString* data,
2340 int32_t dataCount,
2341 const UnicodeString* monthPattern,
2342 Calendar& cal) const
2343 {
2344 int32_t i = 0;
2345 int32_t count = dataCount;
2346
2347 if (field == UCAL_DAY_OF_WEEK) i = 1;
2348
2349 // There may be multiple strings in the data[] array which begin with
2350 // the same prefix (e.g., Cerven and Cervenec (June and July) in Czech).
2351 // We keep track of the longest match, and return that. Note that this
2352 // unfortunately requires us to test all array elements.
2353 int32_t bestMatchLength = 0, bestMatch = -1;
2354 UnicodeString bestMatchName;
2355 int32_t isLeapMonth = 0;
2356
2357 // {sfb} kludge to support case-insensitive comparison
2358 // {markus 2002oct11} do not just use caseCompareBetween because we do not know
2359 // the length of the match after case folding
2360 // {alan 20040607} don't case change the whole string, since the length
2361 // can change
2362 // TODO we need a case-insensitive startsWith function
2363 UnicodeString lcaseText;
2364 text.extract(start, INT32_MAX, lcaseText);
2365 lcaseText.foldCase();
2366
2367 for (; i < count; ++i)
2368 {
2369 // Always compare if we have no match yet; otherwise only compare
2370 // against potentially better matches (longer strings).
2371
2372 if (newBestMatchWithOptionalDot(lcaseText, data[i], bestMatchName, bestMatchLength)) {
2373 bestMatch = i;
2374 isLeapMonth = 0;
2375 }
2376
2377 if (monthPattern != NULL) {
2378 UErrorCode status = U_ZERO_ERROR;
2379 UnicodeString leapMonthName;
2380 Formattable monthName((const UnicodeString&)(data[i]));
2381 MessageFormat::format(*monthPattern, &monthName, 1, leapMonthName, status);
2382 if (U_SUCCESS(status)) {
2383 if (newBestMatchWithOptionalDot(lcaseText, leapMonthName, bestMatchName, bestMatchLength)) {
2384 bestMatch = i;
2385 isLeapMonth = 1;
2386 }
2387 }
2388 }
2389 }
2390 if (bestMatch >= 0)
2391 {
2392 // Adjustment for Hebrew Calendar month Adar II
2393 if (!strcmp(cal.getType(),"hebrew") && field==UCAL_MONTH && bestMatch==13) {
2394 cal.set(field,6);
2395 }
2396 else {
2397 if (field == UCAL_YEAR) {
2398 bestMatch++; // only get here for cyclic year names, which match 1-based years 1-60
2399 }
2400 cal.set(field, bestMatch);
2401 }
2402 if (monthPattern != NULL) {
2403 cal.set(UCAL_IS_LEAP_MONTH, isLeapMonth);
2404 }
2405
2406 // Once we have a match, we have to determine the length of the
2407 // original source string. This will usually be == the length of
2408 // the case folded string, but it may differ (e.g. sharp s).
2409
2410 // Most of the time, the length will be the same as the length
2411 // of the string from the locale data. Sometimes it will be
2412 // different, in which case we will have to figure it out by
2413 // adding a character at a time, until we have a match. We do
2414 // this all in one loop, where we try 'len' first (at index
2415 // i==0).
2416 int32_t len = bestMatchName.length(); // 99+% of the time
2417 int32_t n = text.length() - start;
2418 for (i=0; i<=n; ++i) {
2419 int32_t j=i;
2420 if (i == 0) {
2421 j = len;
2422 } else if (i == len) {
2423 continue; // already tried this when i was 0
2424 }
2425 text.extract(start, j, lcaseText);
2426 lcaseText.foldCase();
2427 if (bestMatchName == lcaseText) {
2428 return start + j;
2429 }
2430 }
2431 }
2432
2433 return -start;
2434 }
2435
2436 static UBool
2437 newBestMatchWithOptionalDot(const UnicodeString &lcaseText,
2438 const UnicodeString &data,
2439 UnicodeString &bestMatchName,
2440 int32_t &bestMatchLength) {
2441 UnicodeString lcase;
2442 lcase.fastCopyFrom(data).foldCase();
2443 int32_t length = lcase.length();
2444 if (length <= bestMatchLength) {
2445 // data cannot provide a better match.
2446 return FALSE;
2447 }
2448
2449 if (lcaseText.compareBetween(0, length, lcase, 0, length) == 0) {
2450 // normal match
2451 bestMatchName = lcase;
2452 bestMatchLength = length;
2453 return TRUE;
2454 }
2455 if (lcase.charAt(--length) == 0x2e) {
2456 if (lcaseText.compareBetween(0, length, lcase, 0, length) == 0) {
2457 // The input text matches the data except for data's trailing dot.
2458 bestMatchName = lcase;
2459 bestMatchName.truncate(length);
2460 bestMatchLength = length;
2461 return TRUE;
2462 }
2463 }
2464 return FALSE;
2465 }
2466
2467 //----------------------------------------------------------------------
2468
2469 void
2470 SimpleDateFormat::set2DigitYearStart(UDate d, UErrorCode& status)
2471 {
2472 parseAmbiguousDatesAsAfter(d, status);
2473 }
2474
2475 /**
2476 * Private member function that converts the parsed date strings into
2477 * timeFields. Returns -start (for ParsePosition) if failed.
2478 * @param text the time text to be parsed.
2479 * @param start where to start parsing.
2480 * @param ch the pattern character for the date field text to be parsed.
2481 * @param count the count of a pattern character.
2482 * @return the new start position if matching succeeded; a negative number
2483 * indicating matching failure, otherwise.
2484 */
2485 int32_t SimpleDateFormat::subParse(const UnicodeString& text, int32_t& start, UChar ch, int32_t count,
2486 UBool obeyCount, UBool allowNegative, UBool ambiguousYear[], int32_t& saveHebrewMonth, Calendar& cal,
2487 int32_t patLoc, MessageFormat * numericLeapMonthFormatter) const
2488 {
2489 Formattable number;
2490 int32_t value = 0;
2491 int32_t i;
2492 int32_t ps = 0;
2493 ParsePosition pos(0);
2494 UDateFormatField patternCharIndex = DateFormatSymbols::getPatternCharIndex(ch);
2495 NumberFormat *currentNumberFormat;
2496 UnicodeString temp;
2497 UBool lenient = isLenient();
2498 int32_t tzParseOptions = (lenient)? UTZFMT_PARSE_OPTION_ALL_STYLES: UTZFMT_PARSE_OPTION_NONE;
2499 UBool gotNumber = FALSE;
2500
2501 #if defined (U_DEBUG_CAL)
2502 //fprintf(stderr, "%s:%d - [%c] st=%d \n", __FILE__, __LINE__, (char) ch, start);
2503 #endif
2504
2505 if (patternCharIndex == UDAT_FIELD_COUNT) {
2506 return -start;
2507 }
2508
2509 currentNumberFormat = getNumberFormatByIndex(patternCharIndex);
2510 UCalendarDateFields field = fgPatternIndexToCalendarField[patternCharIndex];
2511 UnicodeString hebr("hebr", 4, US_INV);
2512
2513 if (numericLeapMonthFormatter != NULL) {
2514 numericLeapMonthFormatter->setFormats((const Format **)&currentNumberFormat, 1);
2515 }
2516 UBool isChineseCalendar = (uprv_strcmp(cal.getType(),"chinese") == 0);
2517
2518 // If there are any spaces here, skip over them. If we hit the end
2519 // of the string, then fail.
2520 for (;;) {
2521 if (start >= text.length()) {
2522 return -start;
2523 }
2524 UChar32 c = text.char32At(start);
2525 if (!u_isUWhiteSpace(c) /*||*/ && !PatternProps::isWhiteSpace(c)) {
2526 break;
2527 }
2528 start += U16_LENGTH(c);
2529 }
2530 pos.setIndex(start);
2531
2532 // We handle a few special cases here where we need to parse
2533 // a number value. We handle further, more generic cases below. We need
2534 // to handle some of them here because some fields require extra processing on
2535 // the parsed value.
2536 if (patternCharIndex == UDAT_HOUR_OF_DAY1_FIELD || // k
2537 patternCharIndex == UDAT_HOUR_OF_DAY0_FIELD || // H
2538 patternCharIndex == UDAT_HOUR1_FIELD || // h
2539 patternCharIndex == UDAT_HOUR0_FIELD || // K
2540 (patternCharIndex == UDAT_DOW_LOCAL_FIELD && count <= 2) || // e
2541 (patternCharIndex == UDAT_STANDALONE_DAY_FIELD && count <= 2) || // c
2542 (patternCharIndex == UDAT_MONTH_FIELD && count <= 2) || // M
2543 (patternCharIndex == UDAT_STANDALONE_MONTH_FIELD && count <= 2) || // L
2544 (patternCharIndex == UDAT_QUARTER_FIELD && count <= 2) || // Q
2545 (patternCharIndex == UDAT_STANDALONE_QUARTER_FIELD && count <= 2) || // q
2546 patternCharIndex == UDAT_YEAR_FIELD || // y
2547 patternCharIndex == UDAT_YEAR_WOY_FIELD || // Y
2548 patternCharIndex == UDAT_YEAR_NAME_FIELD || // U (falls back to numeric)
2549 (patternCharIndex == UDAT_ERA_FIELD && isChineseCalendar) || // G
2550 patternCharIndex == UDAT_FRACTIONAL_SECOND_FIELD) // S
2551 {
2552 int32_t parseStart = pos.getIndex();
2553 // It would be good to unify this with the obeyCount logic below,
2554 // but that's going to be difficult.
2555 const UnicodeString* src;
2556
2557 UBool parsedNumericLeapMonth = FALSE;
2558 if (numericLeapMonthFormatter != NULL && (patternCharIndex == UDAT_MONTH_FIELD || patternCharIndex == UDAT_STANDALONE_MONTH_FIELD)) {
2559 int32_t argCount;
2560 Formattable * args = numericLeapMonthFormatter->parse(text, pos, argCount);
2561 if (args != NULL && argCount == 1 && pos.getIndex() > parseStart && args[0].isNumeric()) {
2562 parsedNumericLeapMonth = TRUE;
2563 number.setLong(args[0].getLong());
2564 cal.set(UCAL_IS_LEAP_MONTH, 1);
2565 delete[] args;
2566 } else {
2567 pos.setIndex(parseStart);
2568 cal.set(UCAL_IS_LEAP_MONTH, 0);
2569 }
2570 }
2571
2572 if (!parsedNumericLeapMonth) {
2573 if (obeyCount) {
2574 if ((start+count) > text.length()) {
2575 return -start;
2576 }
2577
2578 text.extractBetween(0, start + count, temp);
2579 src = &temp;
2580 } else {
2581 src = &text;
2582 }
2583
2584 parseInt(*src, number, pos, allowNegative,currentNumberFormat);
2585 }
2586
2587 int32_t txtLoc = pos.getIndex();
2588
2589 if (txtLoc > parseStart) {
2590 value = number.getLong();
2591 gotNumber = TRUE;
2592
2593 // suffix processing
2594 if (value < 0 ) {
2595 txtLoc = checkIntSuffix(text, txtLoc, patLoc+1, TRUE);
2596 if (txtLoc != pos.getIndex()) {
2597 value *= -1;
2598 }
2599 }
2600 else {
2601 txtLoc = checkIntSuffix(text, txtLoc, patLoc+1, FALSE);
2602 }
2603
2604 // Check the range of the value
2605 if (!lenient) {
2606 int32_t bias = gFieldRangeBias[patternCharIndex];
2607 if (bias >= 0 && (value > cal.getMaximum(field) + bias || value < cal.getMinimum(field) + bias)) {
2608 return -start;
2609 }
2610 } else {
2611 int32_t bias = gFieldRangeBiasLenient[patternCharIndex];
2612 if (bias >= 0 && (value > cal.getMaximum(field) + bias)) {
2613 return -start;
2614 }
2615 }
2616
2617 pos.setIndex(txtLoc);
2618 }
2619 }
2620
2621 // Make sure that we got a number if
2622 // we want one, and didn't get one
2623 // if we don't want one.
2624 switch (patternCharIndex) {
2625 case UDAT_HOUR_OF_DAY1_FIELD:
2626 case UDAT_HOUR_OF_DAY0_FIELD:
2627 case UDAT_HOUR1_FIELD:
2628 case UDAT_HOUR0_FIELD:
2629 // special range check for hours:
2630 if (value < 0 || value > 24) {
2631 return -start;
2632 }
2633
2634 // fall through to gotNumber check
2635
2636 case UDAT_YEAR_FIELD:
2637 case UDAT_YEAR_WOY_FIELD:
2638 case UDAT_FRACTIONAL_SECOND_FIELD:
2639 // these must be a number
2640 if (! gotNumber) {
2641 return -start;
2642 }
2643
2644 break;
2645
2646 default:
2647 // we check the rest of the fields below.
2648 break;
2649 }
2650
2651 switch (patternCharIndex) {
2652 case UDAT_ERA_FIELD:
2653 if (isChineseCalendar) {
2654 if (!gotNumber) {
2655 return -start;
2656 }
2657 cal.set(UCAL_ERA, value);
2658 return pos.getIndex();
2659 }
2660 if (count == 5) {
2661 ps = matchString(text, start, UCAL_ERA, fSymbols->fNarrowEras, fSymbols->fNarrowErasCount, NULL, cal);
2662 } else if (count == 4) {
2663 ps = matchString(text, start, UCAL_ERA, fSymbols->fEraNames, fSymbols->fEraNamesCount, NULL, cal);
2664 } else {
2665 ps = matchString(text, start, UCAL_ERA, fSymbols->fEras, fSymbols->fErasCount, NULL, cal);
2666 }
2667
2668 // check return position, if it equals -start, then matchString error
2669 // special case the return code so we don't necessarily fail out until we
2670 // verify no year information also
2671 if (ps == -start)
2672 ps--;
2673
2674 return ps;
2675
2676 case UDAT_YEAR_FIELD:
2677 // If there are 3 or more YEAR pattern characters, this indicates
2678 // that the year value is to be treated literally, without any
2679 // two-digit year adjustments (e.g., from "01" to 2001). Otherwise
2680 // we made adjustments to place the 2-digit year in the proper
2681 // century, for parsed strings from "00" to "99". Any other string
2682 // is treated literally: "2250", "-1", "1", "002".
2683 if (fDateOverride.compare(hebr)==0 && value < 1000) {
2684 value += HEBREW_CAL_CUR_MILLENIUM_START_YEAR;
2685 } else if ((pos.getIndex() - start) == 2 && !isChineseCalendar
2686 && u_isdigit(text.charAt(start))
2687 && u_isdigit(text.charAt(start+1)))
2688 {
2689 // only adjust year for patterns less than 3.
2690 if(count < 3) {
2691 // Assume for example that the defaultCenturyStart is 6/18/1903.
2692 // This means that two-digit years will be forced into the range
2693 // 6/18/1903 to 6/17/2003. As a result, years 00, 01, and 02
2694 // correspond to 2000, 2001, and 2002. Years 04, 05, etc. correspond
2695 // to 1904, 1905, etc. If the year is 03, then it is 2003 if the
2696 // other fields specify a date before 6/18, or 1903 if they specify a
2697 // date afterwards. As a result, 03 is an ambiguous year. All other
2698 // two-digit years are unambiguous.
2699 if(fHaveDefaultCentury) { // check if this formatter even has a pivot year
2700 int32_t ambiguousTwoDigitYear = fDefaultCenturyStartYear % 100;
2701 ambiguousYear[0] = (value == ambiguousTwoDigitYear);
2702 value += (fDefaultCenturyStartYear/100)*100 +
2703 (value < ambiguousTwoDigitYear ? 100 : 0);
2704 }
2705 }
2706 }
2707 cal.set(UCAL_YEAR, value);
2708
2709 // Delayed checking for adjustment of Hebrew month numbers in non-leap years.
2710 if (saveHebrewMonth >= 0) {
2711 HebrewCalendar *hc = (HebrewCalendar*)&cal;
2712 if (!hc->isLeapYear(value) && saveHebrewMonth >= 6) {
2713 cal.set(UCAL_MONTH,saveHebrewMonth);
2714 } else {
2715 cal.set(UCAL_MONTH,saveHebrewMonth-1);
2716 }
2717 saveHebrewMonth = -1;
2718 }
2719 return pos.getIndex();
2720
2721 case UDAT_YEAR_WOY_FIELD:
2722 // Comment is the same as for UDAT_Year_FIELDs - look above
2723 if (fDateOverride.compare(hebr)==0 && value < 1000) {
2724 value += HEBREW_CAL_CUR_MILLENIUM_START_YEAR;
2725 } else if ((pos.getIndex() - start) == 2
2726 && u_isdigit(text.charAt(start))
2727 && u_isdigit(text.charAt(start+1))
2728 && fHaveDefaultCentury )
2729 {
2730 int32_t ambiguousTwoDigitYear = fDefaultCenturyStartYear % 100;
2731 ambiguousYear[0] = (value == ambiguousTwoDigitYear);
2732 value += (fDefaultCenturyStartYear/100)*100 +
2733 (value < ambiguousTwoDigitYear ? 100 : 0);
2734 }
2735 cal.set(UCAL_YEAR_WOY, value);
2736 return pos.getIndex();
2737
2738 case UDAT_YEAR_NAME_FIELD:
2739 if (fSymbols->fShortYearNames != NULL) {
2740 int32_t newStart = matchString(text, start, UCAL_YEAR, fSymbols->fShortYearNames, fSymbols->fShortYearNamesCount, NULL, cal);
2741 if (newStart > 0) {
2742 return newStart;
2743 }
2744 }
2745 if (gotNumber && (lenient || value > fSymbols->fShortYearNamesCount)) {
2746 cal.set(UCAL_YEAR, value);
2747 return pos.getIndex();
2748 }
2749 return -start;
2750
2751 case UDAT_MONTH_FIELD:
2752 case UDAT_STANDALONE_MONTH_FIELD:
2753 if (gotNumber) // i.e., M or MM.
2754 {
2755 // When parsing month numbers from the Hebrew Calendar, we might need to adjust the month depending on whether
2756 // 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
2757 // the year is parsed.
2758 if (!strcmp(cal.getType(),"hebrew")) {
2759 HebrewCalendar *hc = (HebrewCalendar*)&cal;
2760 if (cal.isSet(UCAL_YEAR)) {
2761 UErrorCode status = U_ZERO_ERROR;
2762 if (!hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value >= 6) {
2763 cal.set(UCAL_MONTH, value);
2764 } else {
2765 cal.set(UCAL_MONTH, value - 1);
2766 }
2767 } else {
2768 saveHebrewMonth = value;
2769 }
2770 } else {
2771 // Don't want to parse the month if it is a string
2772 // while pattern uses numeric style: M/MM, L/LL
2773 // [We computed 'value' above.]
2774 cal.set(UCAL_MONTH, value - 1);
2775 }
2776 return pos.getIndex();
2777 } else {
2778 // count >= 3 // i.e., MMM/MMMM, LLL/LLLL
2779 // Want to be able to parse both short and long forms.
2780 // Try count == 4 first:
2781 UnicodeString * wideMonthPat = NULL;
2782 UnicodeString * shortMonthPat = NULL;
2783 if (fSymbols->fLeapMonthPatterns != NULL && fSymbols->fLeapMonthPatternsCount >= DateFormatSymbols::kMonthPatternsCount) {
2784 if (patternCharIndex==UDAT_MONTH_FIELD) {
2785 wideMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatWide];
2786 shortMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternFormatAbbrev];
2787 } else {
2788 wideMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneWide];
2789 shortMonthPat = &fSymbols->fLeapMonthPatterns[DateFormatSymbols::kLeapMonthPatternStandaloneAbbrev];
2790 }
2791 }
2792 int32_t newStart = 0;
2793 if (patternCharIndex==UDAT_MONTH_FIELD) {
2794 newStart = matchString(text, start, UCAL_MONTH, fSymbols->fMonths, fSymbols->fMonthsCount, wideMonthPat, cal); // try MMMM
2795 if (newStart > 0) {
2796 return newStart;
2797 }
2798 newStart = matchString(text, start, UCAL_MONTH, fSymbols->fShortMonths, fSymbols->fShortMonthsCount, shortMonthPat, cal); // try MMM
2799 } else {
2800 newStart = matchString(text, start, UCAL_MONTH, fSymbols->fStandaloneMonths, fSymbols->fStandaloneMonthsCount, wideMonthPat, cal); // try LLLL
2801 if (newStart > 0) {
2802 return newStart;
2803 }
2804 newStart = matchString(text, start, UCAL_MONTH, fSymbols->fStandaloneShortMonths, fSymbols->fStandaloneShortMonthsCount, shortMonthPat, cal); // try LLL
2805 }
2806 if (newStart > 0 || !lenient) // currently we do not try to parse MMMMM/LLLLL: #8860
2807 return newStart;
2808 // else we allowing parsing as number, below
2809 }
2810 break;
2811
2812 case UDAT_HOUR_OF_DAY1_FIELD:
2813 // [We computed 'value' above.]
2814 if (value == cal.getMaximum(UCAL_HOUR_OF_DAY) + 1)
2815 value = 0;
2816
2817 // fall through to set field
2818
2819 case UDAT_HOUR_OF_DAY0_FIELD:
2820 cal.set(UCAL_HOUR_OF_DAY, value);
2821 return pos.getIndex();
2822
2823 case UDAT_FRACTIONAL_SECOND_FIELD:
2824 // Fractional seconds left-justify
2825 i = pos.getIndex() - start;
2826 if (i < 3) {
2827 while (i < 3) {
2828 value *= 10;
2829 i++;
2830 }
2831 } else {
2832 int32_t a = 1;
2833 while (i > 3) {
2834 a *= 10;
2835 i--;
2836 }
2837 value /= a;
2838 }
2839 cal.set(UCAL_MILLISECOND, value);
2840 return pos.getIndex();
2841
2842 case UDAT_DOW_LOCAL_FIELD:
2843 if (gotNumber) // i.e., e or ee
2844 {
2845 // [We computed 'value' above.]
2846 cal.set(UCAL_DOW_LOCAL, value);
2847 return pos.getIndex();
2848 }
2849 // else for eee-eeeee fall through to handling of EEE-EEEEE
2850 // fall through, do not break here
2851 case UDAT_DAY_OF_WEEK_FIELD:
2852 {
2853 // Want to be able to parse both short and long forms.
2854 // Try count == 4 (EEEE) wide first:
2855 int32_t newStart = 0;
2856 if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
2857 fSymbols->fWeekdays, fSymbols->fWeekdaysCount, NULL, cal)) > 0)
2858 return newStart;
2859 // EEEE wide failed, now try EEE abbreviated
2860 else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
2861 fSymbols->fShortWeekdays, fSymbols->fShortWeekdaysCount, NULL, cal)) > 0)
2862 return newStart;
2863 // EEE abbreviated failed, now try EEEEEE short
2864 else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
2865 fSymbols->fShorterWeekdays, fSymbols->fShorterWeekdaysCount, NULL, cal)) > 0)
2866 return newStart;
2867 // EEEEEE short failed, now try EEEEE narrow
2868 else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
2869 fSymbols->fNarrowWeekdays, fSymbols->fNarrowWeekdaysCount, NULL, cal)) > 0)
2870 return newStart;
2871 else if (!lenient || patternCharIndex == UDAT_DAY_OF_WEEK_FIELD)
2872 return newStart;
2873 // else we allowing parsing as number, below
2874 }
2875 break;
2876
2877 case UDAT_STANDALONE_DAY_FIELD:
2878 {
2879 if (gotNumber) // c or cc
2880 {
2881 // [We computed 'value' above.]
2882 cal.set(UCAL_DOW_LOCAL, value);
2883 return pos.getIndex();
2884 }
2885 // Want to be able to parse both short and long forms.
2886 // Try count == 4 (cccc) first:
2887 int32_t newStart = 0;
2888 if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
2889 fSymbols->fStandaloneWeekdays, fSymbols->fStandaloneWeekdaysCount, NULL, cal)) > 0)
2890 return newStart;
2891 else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
2892 fSymbols->fStandaloneShortWeekdays, fSymbols->fStandaloneShortWeekdaysCount, NULL, cal)) > 0)
2893 return newStart;
2894 else if ((newStart = matchString(text, start, UCAL_DAY_OF_WEEK,
2895 fSymbols->fStandaloneShorterWeekdays, fSymbols->fStandaloneShorterWeekdaysCount, NULL, cal)) > 0)
2896 return newStart;
2897 else if (!lenient)
2898 return newStart;
2899 // else we allowing parsing as number, below
2900 }
2901 break;
2902
2903 case UDAT_AM_PM_FIELD:
2904 return matchString(text, start, UCAL_AM_PM, fSymbols->fAmPms, fSymbols->fAmPmsCount, NULL, cal);
2905
2906 case UDAT_HOUR1_FIELD:
2907 // [We computed 'value' above.]
2908 if (value == cal.getLeastMaximum(UCAL_HOUR)+1)
2909 value = 0;
2910
2911 // fall through to set field
2912
2913 case UDAT_HOUR0_FIELD:
2914 cal.set(UCAL_HOUR, value);
2915 return pos.getIndex();
2916
2917 case UDAT_QUARTER_FIELD:
2918 if (gotNumber) // i.e., Q or QQ.
2919 {
2920 // Don't want to parse the month if it is a string
2921 // while pattern uses numeric style: Q or QQ.
2922 // [We computed 'value' above.]
2923 cal.set(UCAL_MONTH, (value - 1) * 3);
2924 return pos.getIndex();
2925 } else {
2926 // count >= 3 // i.e., QQQ or QQQQ
2927 // Want to be able to parse both short and long forms.
2928 // Try count == 4 first:
2929 int32_t newStart = 0;
2930
2931 if ((newStart = matchQuarterString(text, start, UCAL_MONTH,
2932 fSymbols->fQuarters, fSymbols->fQuartersCount, cal)) > 0)
2933 return newStart;
2934 else if ((newStart = matchQuarterString(text, start, UCAL_MONTH,
2935 fSymbols->fShortQuarters, fSymbols->fShortQuartersCount, cal)) > 0)
2936 return newStart;
2937 else if (!lenient)
2938 return newStart;
2939 // else we allowing parsing as number, below
2940 }
2941 break;
2942
2943 case UDAT_STANDALONE_QUARTER_FIELD:
2944 if (gotNumber) // i.e., q or qq.
2945 {
2946 // Don't want to parse the month if it is a string
2947 // while pattern uses numeric style: q or q.
2948 // [We computed 'value' above.]
2949 cal.set(UCAL_MONTH, (value - 1) * 3);
2950 return pos.getIndex();
2951 } else {
2952 // count >= 3 // i.e., qqq or qqqq
2953 // Want to be able to parse both short and long forms.
2954 // Try count == 4 first:
2955 int32_t newStart = 0;
2956
2957 if ((newStart = matchQuarterString(text, start, UCAL_MONTH,
2958 fSymbols->fStandaloneQuarters, fSymbols->fStandaloneQuartersCount, cal)) > 0)
2959 return newStart;
2960 else if ((newStart = matchQuarterString(text, start, UCAL_MONTH,
2961 fSymbols->fStandaloneShortQuarters, fSymbols->fStandaloneShortQuartersCount, cal)) > 0)
2962 return newStart;
2963 else if (!lenient)
2964 return newStart;
2965 // else we allowing parsing as number, below
2966 }
2967 break;
2968
2969 case UDAT_TIMEZONE_FIELD: // 'z'
2970 {
2971 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
2972 UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_SPECIFIC_SHORT : UTZFMT_STYLE_SPECIFIC_LONG;
2973 TimeZone *tz = tzFormat()->parse(style, text, pos, tzParseOptions, &tzTimeType);
2974 if (tz != NULL) {
2975 ((SimpleDateFormat*)this)->tztype = tzTimeType;
2976 cal.adoptTimeZone(tz);
2977 return pos.getIndex();
2978 }
2979 }
2980 break;
2981 case UDAT_TIMEZONE_RFC_FIELD: // 'Z'
2982 {
2983 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
2984 UTimeZoneFormatStyle style = (count < 4) ?
2985 UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL : ((count == 5) ? UTZFMT_STYLE_ISO_EXTENDED_FULL: UTZFMT_STYLE_LOCALIZED_GMT);
2986 TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType);
2987 if (tz != NULL) {
2988 ((SimpleDateFormat*)this)->tztype = tzTimeType;
2989 cal.adoptTimeZone(tz);
2990 return pos.getIndex();
2991 }
2992 return -start;
2993 }
2994 case UDAT_TIMEZONE_GENERIC_FIELD: // 'v'
2995 {
2996 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
2997 UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_GENERIC_SHORT : UTZFMT_STYLE_GENERIC_LONG;
2998 TimeZone *tz = tzFormat()->parse(style, text, pos, tzParseOptions, &tzTimeType);
2999 if (tz != NULL) {
3000 ((SimpleDateFormat*)this)->tztype = tzTimeType;
3001 cal.adoptTimeZone(tz);
3002 return pos.getIndex();
3003 }
3004 return -start;
3005 }
3006 case UDAT_TIMEZONE_SPECIAL_FIELD: // 'V'
3007 {
3008 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
3009 UTimeZoneFormatStyle style;
3010 switch (count) {
3011 case 1:
3012 style = UTZFMT_STYLE_ZONE_ID_SHORT;
3013 break;
3014 case 2:
3015 style = UTZFMT_STYLE_ZONE_ID;
3016 break;
3017 case 3:
3018 style = UTZFMT_STYLE_EXEMPLAR_LOCATION;
3019 break;
3020 default:
3021 style = UTZFMT_STYLE_GENERIC_LOCATION;
3022 break;
3023 }
3024 TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType);
3025 if (tz != NULL) {
3026 ((SimpleDateFormat*)this)->tztype = tzTimeType;
3027 cal.adoptTimeZone(tz);
3028 return pos.getIndex();
3029 }
3030 return -start;
3031 }
3032 case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD: // 'O'
3033 {
3034 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
3035 UTimeZoneFormatStyle style = (count < 4) ? UTZFMT_STYLE_LOCALIZED_GMT_SHORT : UTZFMT_STYLE_LOCALIZED_GMT;
3036 TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType);
3037 if (tz != NULL) {
3038 ((SimpleDateFormat*)this)->tztype = tzTimeType;
3039 cal.adoptTimeZone(tz);
3040 return pos.getIndex();
3041 }
3042 return -start;
3043 }
3044 case UDAT_TIMEZONE_ISO_FIELD: // 'X'
3045 {
3046 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
3047 UTimeZoneFormatStyle style;
3048 switch (count) {
3049 case 1:
3050 style = UTZFMT_STYLE_ISO_BASIC_SHORT;
3051 break;
3052 case 2:
3053 style = UTZFMT_STYLE_ISO_BASIC_FIXED;
3054 break;
3055 case 3:
3056 style = UTZFMT_STYLE_ISO_EXTENDED_FIXED;
3057 break;
3058 case 4:
3059 style = UTZFMT_STYLE_ISO_BASIC_FULL;
3060 break;
3061 default:
3062 style = UTZFMT_STYLE_ISO_EXTENDED_FULL;
3063 break;
3064 }
3065 TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType);
3066 if (tz != NULL) {
3067 ((SimpleDateFormat*)this)->tztype = tzTimeType;
3068 cal.adoptTimeZone(tz);
3069 return pos.getIndex();
3070 }
3071 return -start;
3072 }
3073 case UDAT_TIMEZONE_ISO_LOCAL_FIELD: // 'x'
3074 {
3075 UTimeZoneFormatTimeType tzTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
3076 UTimeZoneFormatStyle style;
3077 switch (count) {
3078 case 1:
3079 style = UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT;
3080 break;
3081 case 2:
3082 style = UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED;
3083 break;
3084 case 3:
3085 style = UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED;
3086 break;
3087 case 4:
3088 style = UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL;
3089 break;
3090 default:
3091 style = UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL;
3092 break;
3093 }
3094 TimeZone *tz = tzFormat()->parse(style, text, pos, &tzTimeType);
3095 if (tz != NULL) {
3096 ((SimpleDateFormat*)this)->tztype = tzTimeType;
3097 cal.adoptTimeZone(tz);
3098 return pos.getIndex();
3099 }
3100 return -start;
3101 }
3102
3103 default:
3104 // Handle "generic" fields
3105 // this is now handled below, outside the switch block
3106 break;
3107 }
3108 // Handle "generic" fields:
3109 // switch default case now handled here (outside switch block) to allow
3110 // parsing of some string fields as digits for lenient case
3111
3112 int32_t parseStart = pos.getIndex();
3113 const UnicodeString* src;
3114 if (obeyCount) {
3115 if ((start+count) > text.length()) {
3116 return -start;
3117 }
3118 text.extractBetween(0, start + count, temp);
3119 src = &temp;
3120 } else {
3121 src = &text;
3122 }
3123 parseInt(*src, number, pos, allowNegative,currentNumberFormat);
3124 if (pos.getIndex() != parseStart) {
3125 int32_t value = number.getLong();
3126
3127 // Don't need suffix processing here (as in number processing at the beginning of the function);
3128 // the new fields being handled as numeric values (month, weekdays, quarters) should not have suffixes.
3129
3130 // Check the range of the value
3131 if (!lenient) {
3132 int32_t bias = gFieldRangeBias[patternCharIndex];
3133 if (bias >= 0 && (value > cal.getMaximum(field) + bias || value < cal.getMinimum(field) + bias)) {
3134 return -start;
3135 }
3136 } else {
3137 int32_t bias = gFieldRangeBiasLenient[patternCharIndex];
3138 if (bias >= 0 && (value > cal.getMaximum(field) + bias)) {
3139 return -start;
3140 }
3141 }
3142
3143 // For the following, need to repeat some of the "if (gotNumber)" code above:
3144 // UDAT_[STANDALONE_]MONTH_FIELD, UDAT_DOW_LOCAL_FIELD, UDAT_STANDALONE_DAY_FIELD,
3145 // UDAT_[STANDALONE_]QUARTER_FIELD
3146 switch (patternCharIndex) {
3147 case UDAT_MONTH_FIELD:
3148 // See notes under UDAT_MONTH_FIELD case above
3149 if (!strcmp(cal.getType(),"hebrew")) {
3150 HebrewCalendar *hc = (HebrewCalendar*)&cal;
3151 if (cal.isSet(UCAL_YEAR)) {
3152 UErrorCode status = U_ZERO_ERROR;
3153 if (!hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value >= 6) {
3154 cal.set(UCAL_MONTH, value);
3155 } else {
3156 cal.set(UCAL_MONTH, value - 1);
3157 }
3158 } else {
3159 saveHebrewMonth = value;
3160 }
3161 } else {
3162 cal.set(UCAL_MONTH, value - 1);
3163 }
3164 break;
3165 case UDAT_STANDALONE_MONTH_FIELD:
3166 cal.set(UCAL_MONTH, value - 1);
3167 break;
3168 case UDAT_DOW_LOCAL_FIELD:
3169 case UDAT_STANDALONE_DAY_FIELD:
3170 cal.set(UCAL_DOW_LOCAL, value);
3171 break;
3172 case UDAT_QUARTER_FIELD:
3173 case UDAT_STANDALONE_QUARTER_FIELD:
3174 cal.set(UCAL_MONTH, (value - 1) * 3);
3175 break;
3176 default:
3177 cal.set(field, value);
3178 break;
3179 }
3180 return pos.getIndex();
3181 }
3182 return -start;
3183 }
3184
3185 /**
3186 * Parse an integer using fNumberFormat. This method is semantically
3187 * const, but actually may modify fNumberFormat.
3188 */
3189 void SimpleDateFormat::parseInt(const UnicodeString& text,
3190 Formattable& number,
3191 ParsePosition& pos,
3192 UBool allowNegative,
3193 NumberFormat *fmt) const {
3194 parseInt(text, number, -1, pos, allowNegative,fmt);
3195 }
3196
3197 /**
3198 * Parse an integer using fNumberFormat up to maxDigits.
3199 */
3200 void SimpleDateFormat::parseInt(const UnicodeString& text,
3201 Formattable& number,
3202 int32_t maxDigits,
3203 ParsePosition& pos,
3204 UBool allowNegative,
3205 NumberFormat *fmt) const {
3206 UnicodeString oldPrefix;
3207 DecimalFormat* df = NULL;
3208 if (!allowNegative && (df = dynamic_cast<DecimalFormat*>(fmt)) != NULL) {
3209 df->getNegativePrefix(oldPrefix);
3210 df->setNegativePrefix(UnicodeString(TRUE, SUPPRESS_NEGATIVE_PREFIX, -1));
3211 }
3212 int32_t oldPos = pos.getIndex();
3213 fmt->parse(text, number, pos);
3214 if (df != NULL) {
3215 df->setNegativePrefix(oldPrefix);
3216 }
3217
3218 if (maxDigits > 0) {
3219 // adjust the result to fit into
3220 // the maxDigits and move the position back
3221 int32_t nDigits = pos.getIndex() - oldPos;
3222 if (nDigits > maxDigits) {
3223 int32_t val = number.getLong();
3224 nDigits -= maxDigits;
3225 while (nDigits > 0) {
3226 val /= 10;
3227 nDigits--;
3228 }
3229 pos.setIndex(oldPos + maxDigits);
3230 number.setLong(val);
3231 }
3232 }
3233 }
3234
3235 //----------------------------------------------------------------------
3236
3237 void SimpleDateFormat::translatePattern(const UnicodeString& originalPattern,
3238 UnicodeString& translatedPattern,
3239 const UnicodeString& from,
3240 const UnicodeString& to,
3241 UErrorCode& status)
3242 {
3243 // run through the pattern and convert any pattern symbols from the version
3244 // in "from" to the corresponding character ion "to". This code takes
3245 // quoted strings into account (it doesn't try to translate them), and it signals
3246 // an error if a particular "pattern character" doesn't appear in "from".
3247 // Depending on the values of "from" and "to" this can convert from generic
3248 // to localized patterns or localized to generic.
3249 if (U_FAILURE(status))
3250 return;
3251
3252 translatedPattern.remove();
3253 UBool inQuote = FALSE;
3254 for (int32_t i = 0; i < originalPattern.length(); ++i) {
3255 UChar c = originalPattern[i];
3256 if (inQuote) {
3257 if (c == QUOTE)
3258 inQuote = FALSE;
3259 }
3260 else {
3261 if (c == QUOTE)
3262 inQuote = TRUE;
3263 else if ((c >= 0x0061 /*'a'*/ && c <= 0x007A) /*'z'*/
3264 || (c >= 0x0041 /*'A'*/ && c <= 0x005A /*'Z'*/)) {
3265 int32_t ci = from.indexOf(c);
3266 if (ci == -1) {
3267 status = U_INVALID_FORMAT_ERROR;
3268 return;
3269 }
3270 c = to[ci];
3271 }
3272 }
3273 translatedPattern += c;
3274 }
3275 if (inQuote) {
3276 status = U_INVALID_FORMAT_ERROR;
3277 return;
3278 }
3279 }
3280
3281 //----------------------------------------------------------------------
3282
3283 UnicodeString&
3284 SimpleDateFormat::toPattern(UnicodeString& result) const
3285 {
3286 result = fPattern;
3287 return result;
3288 }
3289
3290 //----------------------------------------------------------------------
3291
3292 UnicodeString&
3293 SimpleDateFormat::toLocalizedPattern(UnicodeString& result,
3294 UErrorCode& status) const
3295 {
3296 translatePattern(fPattern, result,
3297 UnicodeString(DateFormatSymbols::getPatternUChars()),
3298 fSymbols->fLocalPatternChars, status);
3299 return result;
3300 }
3301
3302 //----------------------------------------------------------------------
3303
3304 void
3305 SimpleDateFormat::applyPattern(const UnicodeString& pattern)
3306 {
3307 fPattern = pattern;
3308 }
3309
3310 //----------------------------------------------------------------------
3311
3312 void
3313 SimpleDateFormat::applyLocalizedPattern(const UnicodeString& pattern,
3314 UErrorCode &status)
3315 {
3316 translatePattern(pattern, fPattern,
3317 fSymbols->fLocalPatternChars,
3318 UnicodeString(DateFormatSymbols::getPatternUChars()), status);
3319 }
3320
3321 //----------------------------------------------------------------------
3322
3323 const DateFormatSymbols*
3324 SimpleDateFormat::getDateFormatSymbols() const
3325 {
3326 return fSymbols;
3327 }
3328
3329 //----------------------------------------------------------------------
3330
3331 void
3332 SimpleDateFormat::adoptDateFormatSymbols(DateFormatSymbols* newFormatSymbols)
3333 {
3334 delete fSymbols;
3335 fSymbols = newFormatSymbols;
3336 }
3337
3338 //----------------------------------------------------------------------
3339 void
3340 SimpleDateFormat::setDateFormatSymbols(const DateFormatSymbols& newFormatSymbols)
3341 {
3342 delete fSymbols;
3343 fSymbols = new DateFormatSymbols(newFormatSymbols);
3344 }
3345
3346 //----------------------------------------------------------------------
3347 const TimeZoneFormat*
3348 SimpleDateFormat::getTimeZoneFormat(void) const {
3349 return (const TimeZoneFormat*)tzFormat();
3350 }
3351
3352 //----------------------------------------------------------------------
3353 void
3354 SimpleDateFormat::adoptTimeZoneFormat(TimeZoneFormat* timeZoneFormatToAdopt)
3355 {
3356 delete fTimeZoneFormat;
3357 fTimeZoneFormat = timeZoneFormatToAdopt;
3358 }
3359
3360 //----------------------------------------------------------------------
3361 void
3362 SimpleDateFormat::setTimeZoneFormat(const TimeZoneFormat& newTimeZoneFormat)
3363 {
3364 delete fTimeZoneFormat;
3365 fTimeZoneFormat = new TimeZoneFormat(newTimeZoneFormat);
3366 }
3367
3368 //----------------------------------------------------------------------
3369
3370
3371 void SimpleDateFormat::adoptCalendar(Calendar* calendarToAdopt)
3372 {
3373 UErrorCode status = U_ZERO_ERROR;
3374 DateFormat::adoptCalendar(calendarToAdopt);
3375 delete fSymbols;
3376 fSymbols=NULL;
3377 initializeSymbols(fLocale, fCalendar, status); // we need new symbols
3378 initializeDefaultCentury(); // we need a new century (possibly)
3379 }
3380
3381
3382 //----------------------------------------------------------------------
3383
3384
3385 void SimpleDateFormat::setContext(UDisplayContext value, UErrorCode& status)
3386 {
3387 if (U_FAILURE(status))
3388 return;
3389 if ( (UDisplayContextType)((uint32_t)value >> 8) == UDISPCTX_TYPE_CAPITALIZATION ) {
3390 fCapitalizationContext = value;
3391 } else {
3392 status = U_ILLEGAL_ARGUMENT_ERROR;
3393 }
3394 }
3395
3396
3397 //----------------------------------------------------------------------
3398
3399
3400 UDisplayContext SimpleDateFormat::getContext(UDisplayContextType type, UErrorCode& status) const
3401 {
3402 if (U_FAILURE(status))
3403 return (UDisplayContext)0;
3404 if (type != UDISPCTX_TYPE_CAPITALIZATION) {
3405 status = U_ILLEGAL_ARGUMENT_ERROR;
3406 return (UDisplayContext)0;
3407 }
3408 return fCapitalizationContext;
3409 }
3410
3411
3412 //----------------------------------------------------------------------
3413
3414
3415 UBool
3416 SimpleDateFormat::isFieldUnitIgnored(UCalendarDateFields field) const {
3417 return isFieldUnitIgnored(fPattern, field);
3418 }
3419
3420
3421 UBool
3422 SimpleDateFormat::isFieldUnitIgnored(const UnicodeString& pattern,
3423 UCalendarDateFields field) {
3424 int32_t fieldLevel = fgCalendarFieldToLevel[field];
3425 int32_t level;
3426 UChar ch;
3427 UBool inQuote = FALSE;
3428 UChar prevCh = 0;
3429 int32_t count = 0;
3430
3431 for (int32_t i = 0; i < pattern.length(); ++i) {
3432 ch = pattern[i];
3433 if (ch != prevCh && count > 0) {
3434 level = fgPatternCharToLevel[prevCh - PATTERN_CHAR_BASE];
3435 // the larger the level, the smaller the field unit.
3436 if ( fieldLevel <= level ) {
3437 return FALSE;
3438 }
3439 count = 0;
3440 }
3441 if (ch == QUOTE) {
3442 if ((i+1) < pattern.length() && pattern[i+1] == QUOTE) {
3443 ++i;
3444 } else {
3445 inQuote = ! inQuote;
3446 }
3447 }
3448 else if ( ! inQuote && ((ch >= 0x0061 /*'a'*/ && ch <= 0x007A /*'z'*/)
3449 || (ch >= 0x0041 /*'A'*/ && ch <= 0x005A /*'Z'*/))) {
3450 prevCh = ch;
3451 ++count;
3452 }
3453 }
3454 if ( count > 0 ) {
3455 // last item
3456 level = fgPatternCharToLevel[prevCh - PATTERN_CHAR_BASE];
3457 if ( fieldLevel <= level ) {
3458 return FALSE;
3459 }
3460 }
3461 return TRUE;
3462 }
3463
3464 //----------------------------------------------------------------------
3465
3466 const Locale&
3467 SimpleDateFormat::getSmpFmtLocale(void) const {
3468 return fLocale;
3469 }
3470
3471 //----------------------------------------------------------------------
3472
3473 int32_t
3474 SimpleDateFormat::checkIntSuffix(const UnicodeString& text, int32_t start,
3475 int32_t patLoc, UBool isNegative) const {
3476 // local variables
3477 UnicodeString suf;
3478 int32_t patternMatch;
3479 int32_t textPreMatch;
3480 int32_t textPostMatch;
3481
3482 // check that we are still in range
3483 if ( (start > text.length()) ||
3484 (start < 0) ||
3485 (patLoc < 0) ||
3486 (patLoc > fPattern.length())) {
3487 // out of range, don't advance location in text
3488 return start;
3489 }
3490
3491 // get the suffix
3492 DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(fNumberFormat);
3493 if (decfmt != NULL) {
3494 if (isNegative) {
3495 suf = decfmt->getNegativeSuffix(suf);
3496 }
3497 else {
3498 suf = decfmt->getPositiveSuffix(suf);
3499 }
3500 }
3501
3502 // check for suffix
3503 if (suf.length() <= 0) {
3504 return start;
3505 }
3506
3507 // check suffix will be encountered in the pattern
3508 patternMatch = compareSimpleAffix(suf,fPattern,patLoc);
3509
3510 // check if a suffix will be encountered in the text
3511 textPreMatch = compareSimpleAffix(suf,text,start);
3512
3513 // check if a suffix was encountered in the text
3514 textPostMatch = compareSimpleAffix(suf,text,start-suf.length());
3515
3516 // check for suffix match
3517 if ((textPreMatch >= 0) && (patternMatch >= 0) && (textPreMatch == patternMatch)) {
3518 return start;
3519 }
3520 else if ((textPostMatch >= 0) && (patternMatch >= 0) && (textPostMatch == patternMatch)) {
3521 return start - suf.length();
3522 }
3523
3524 // should not get here
3525 return start;
3526 }
3527
3528 //----------------------------------------------------------------------
3529
3530 int32_t
3531 SimpleDateFormat::compareSimpleAffix(const UnicodeString& affix,
3532 const UnicodeString& input,
3533 int32_t pos) const {
3534 int32_t start = pos;
3535 for (int32_t i=0; i<affix.length(); ) {
3536 UChar32 c = affix.char32At(i);
3537 int32_t len = U16_LENGTH(c);
3538 if (PatternProps::isWhiteSpace(c)) {
3539 // We may have a pattern like: \u200F \u0020
3540 // and input text like: \u200F \u0020
3541 // Note that U+200F and U+0020 are Pattern_White_Space but only
3542 // U+0020 is UWhiteSpace. So we have to first do a direct
3543 // match of the run of Pattern_White_Space in the pattern,
3544 // then match any extra characters.
3545 UBool literalMatch = FALSE;
3546 while (pos < input.length() &&
3547 input.char32At(pos) == c) {
3548 literalMatch = TRUE;
3549 i += len;
3550 pos += len;
3551 if (i == affix.length()) {
3552 break;
3553 }
3554 c = affix.char32At(i);
3555 len = U16_LENGTH(c);
3556 if (!PatternProps::isWhiteSpace(c)) {
3557 break;
3558 }
3559 }
3560
3561 // Advance over run in pattern
3562 i = skipPatternWhiteSpace(affix, i);
3563
3564 // Advance over run in input text
3565 // Must see at least one white space char in input,
3566 // unless we've already matched some characters literally.
3567 int32_t s = pos;
3568 pos = skipUWhiteSpace(input, pos);
3569 if (pos == s && !literalMatch) {
3570 return -1;
3571 }
3572
3573 // If we skip UWhiteSpace in the input text, we need to skip it in the pattern.
3574 // Otherwise, the previous lines may have skipped over text (such as U+00A0) that
3575 // is also in the affix.
3576 i = skipUWhiteSpace(affix, i);
3577 } else {
3578 if (pos < input.length() &&
3579 input.char32At(pos) == c) {
3580 i += len;
3581 pos += len;
3582 } else {
3583 return -1;
3584 }
3585 }
3586 }
3587 return pos - start;
3588 }
3589
3590 //----------------------------------------------------------------------
3591
3592 int32_t
3593 SimpleDateFormat::skipPatternWhiteSpace(const UnicodeString& text, int32_t pos) const {
3594 const UChar* s = text.getBuffer();
3595 return (int32_t)(PatternProps::skipWhiteSpace(s + pos, text.length() - pos) - s);
3596 }
3597
3598 //----------------------------------------------------------------------
3599
3600 int32_t
3601 SimpleDateFormat::skipUWhiteSpace(const UnicodeString& text, int32_t pos) const {
3602 while (pos < text.length()) {
3603 UChar32 c = text.char32At(pos);
3604 if (!u_isUWhiteSpace(c)) {
3605 break;
3606 }
3607 pos += U16_LENGTH(c);
3608 }
3609 return pos;
3610 }
3611
3612 //----------------------------------------------------------------------
3613
3614 // Lazy TimeZoneFormat instantiation, semantically const.
3615 TimeZoneFormat *
3616 SimpleDateFormat::tzFormat() const {
3617 if (fTimeZoneFormat == NULL) {
3618 umtx_lock(&LOCK);
3619 {
3620 if (fTimeZoneFormat == NULL) {
3621 UErrorCode status = U_ZERO_ERROR;
3622 TimeZoneFormat *tzfmt = TimeZoneFormat::createInstance(fLocale, status);
3623 if (U_FAILURE(status)) {
3624 return NULL;
3625 }
3626
3627 const_cast<SimpleDateFormat *>(this)->fTimeZoneFormat = tzfmt;
3628 }
3629 }
3630 umtx_unlock(&LOCK);
3631 }
3632 return fTimeZoneFormat;
3633 }
3634
3635 U_NAMESPACE_END
3636
3637 #endif /* #if !UCONFIG_NO_FORMATTING */
3638
3639 //eof
mirror of ICU