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dtitvinf.h
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1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 *******************************************************************************
5 * Copyright (C) 2008-2016, International Business Machines Corporation and
6 * others. All Rights Reserved.
7 *******************************************************************************
8 *
9 * File DTITVINF.H
10 *
11 *******************************************************************************
12 */
13
14 #ifndef __DTITVINF_H__
15 #define __DTITVINF_H__
16
17 #include "unicode/utypes.h"
18
24 #if !UCONFIG_NO_FORMATTING
25
26 #include "unicode/udat.h"
27 #include "unicode/locid.h"
28 #include "unicode/ucal.h"
29 #include "unicode/dtptngen.h"
30
31 U_NAMESPACE_BEGIN
32
153 class U_I18N_API DateIntervalInfo U_FINAL : public UObject {
154 public:
168 DateIntervalInfo(UErrorCode& status);
169
170
178 DateIntervalInfo(const Locale& locale, UErrorCode& status);
179
180
185 DateIntervalInfo(const DateIntervalInfo&);
186
191 DateIntervalInfo& operator=(const DateIntervalInfo&);
192
199 virtual DateIntervalInfo* clone(void) const;
200
206 virtual ~DateIntervalInfo();
207
208
216 virtual UBool operator==(const DateIntervalInfo& other) const;
217
225 UBool operator!=(const DateIntervalInfo& other) const;
226
227
228
261 void setIntervalPattern(const UnicodeString& skeleton,
262 UCalendarDateFields lrgDiffCalUnit,
263 const UnicodeString& intervalPattern,
264 UErrorCode& status);
265
276 UnicodeString& getIntervalPattern(const UnicodeString& skeleton,
277 UCalendarDateFields field,
278 UnicodeString& result,
279 UErrorCode& status) const;
280
287 UnicodeString& getFallbackIntervalPattern(UnicodeString& result) const;
288
289
303 void setFallbackIntervalPattern(const UnicodeString& fallbackPattern,
304 UErrorCode& status);
305
306
313 UBool getDefaultOrder() const;
314
315
321 virtual UClassID getDynamicClassID() const;
322
328 static UClassID U_EXPORT2 getStaticClassID();
329
330
331 private:
340 friend class DateIntervalFormat;
341
345 struct DateIntervalSink;
346
352 enum IntervalPatternIndex
353 {
354 kIPI_ERA,
355 kIPI_YEAR,
356 kIPI_MONTH,
357 kIPI_DATE,
358 kIPI_AM_PM,
359 kIPI_HOUR,
360 kIPI_MINUTE,
361 kIPI_SECOND,
362 kIPI_MAX_INDEX
363 };
364 public:
365 #ifndef U_HIDE_INTERNAL_API
366
370 enum {
371 kMaxIntervalPatternIndex = kIPI_MAX_INDEX
372 };
373 #endif /* U_HIDE_INTERNAL_API */
374 private:
375
376
382 void initializeData(const Locale& locale, UErrorCode& status);
383
384
385 /* Set Interval pattern.
386 *
387 * It sets interval pattern into the hash map.
388 *
389 * @param skeleton skeleton on which the interval pattern based
390 * @param lrgDiffCalUnit the largest different calendar unit.
391 * @param intervalPattern the interval pattern on the largest different
392 * calendar unit.
393 * @param status output param set to success/failure code on exit
394 */
395 void setIntervalPatternInternally(const UnicodeString& skeleton,
396 UCalendarDateFields lrgDiffCalUnit,
397 const UnicodeString& intervalPattern,
398 UErrorCode& status);
399
400
419 const UnicodeString* getBestSkeleton(const UnicodeString& skeleton,
420 int8_t& bestMatchDistanceInfo) const;
421
422
430 static void U_EXPORT2 parseSkeleton(const UnicodeString& skeleton,
431 int32_t* skeletonFieldWidth);
432
433
445 static UBool U_EXPORT2 stringNumeric(int32_t fieldWidth,
446 int32_t anotherFieldWidth,
447 char patternLetter);
448
449
463 static IntervalPatternIndex U_EXPORT2 calendarFieldToIntervalIndex(
464 UCalendarDateFields field,
465 UErrorCode& status);
466
467
473 void deleteHash(Hashtable* hTable);
474
475
482 Hashtable* initHash(UErrorCode& status);
483
484
485
493 void copyHash(const Hashtable* source, Hashtable* target, UErrorCode& status);
494
495
496 // data members
497 // fallback interval pattern
498 UnicodeString fFallbackIntervalPattern;
499 // default order
500 UBool fFirstDateInPtnIsLaterDate;
501
502 // HashMap<UnicodeString, UnicodeString[kIPI_MAX_INDEX]>
503 // HashMap( skeleton, pattern[largest_different_field] )
504 Hashtable* fIntervalPatterns;
505
506 };// end class DateIntervalInfo
507
508
509 inline UBool
510 DateIntervalInfo::operator!=(const DateIntervalInfo& other) const {
511 return !operator==(other);
512 }
513
514
515 U_NAMESPACE_END
516
517 #endif
518
519 #endif
520
UCalendarDateFields
UCalendarDateFields
Possible fields in a UCalendar.
Definition: ucal.h:185
icu::DateIntervalFormat
DateIntervalFormat is a class for formatting and parsing date intervals in a language-independent man...
Definition: dtitvfmt.h:222
ucal.h
C API: Calendar.
dtptngen.h
C++ API: Date/Time Pattern Generator.
icu::DateIntervalInfo
DateIntervalInfo is a public class for encapsulating localizable date time interval patterns...
Definition: dtitvinf.h:153
icu::UObject::getDynamicClassID
virtual UClassID getDynamicClassID() const
ICU4C "poor man&#39;s RTTI", returns a UClassID for the actual ICU class.
icu::operator==
U_EXPORT UBool operator==(const StringPiece &x, const StringPiece &y)
Global operator == for StringPiece.
UClassID
void * UClassID
UClassID is used to identify classes without using the compiler&#39;s RTTI.
Definition: uobject.h:93
U_I18N_API
#define U_I18N_API
Set to export library symbols from inside the i18n library, and to import them from outside...
Definition: utypes.h:360
U_NAMESPACE_BEGIN
#define U_NAMESPACE_BEGIN
This is used to begin a declaration of a public ICU C++ API.
Definition: uversion.h:131
icu::operator!=
UBool operator!=(const StringPiece &x, const StringPiece &y)
Global operator != for StringPiece.
Definition: stringpiece.h:218
udat.h
C API: DateFormat.
icu::DateIntervalInfo::operator!=
UBool operator!=(const DateIntervalInfo &other) const
Return true if another object is semantically unequal to this one.
Definition: dtitvinf.h:510
U_NAMESPACE_END
#define U_NAMESPACE_END
This is used to end a declaration of a public ICU C++ API.
Definition: uversion.h:132
UErrorCode
UErrorCode
Error code to replace exception handling, so that the code is compatible with all C++ compilers...
Definition: utypes.h:396
locid.h
C++ API: Locale ID object.
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
icu::UnicodeString
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:286
icu::UObject
UObject is the common ICU "boilerplate" class.
Definition: uobject.h:223
UBool
int8_t UBool
The ICU boolean type.
Definition: umachine.h:236
icu::Locale
A Locale object represents a specific geographical, political, or cultural region.
Definition: locid.h:188