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CFDateFormatter.c
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CFDateFormatter.c
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/*
* Copyright (c) 2015 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/* CFDateFormatter.c
Copyright (c) 2002-2014, Apple Inc. All rights reserved.
Responsibility: David Smith
*/
#define U_SHOW_INTERNAL_API 1
#include <CoreFoundation/CFDateFormatter.h>
#include <CoreFoundation/CFDate.h>
#include <CoreFoundation/CFTimeZone.h>
#include <CoreFoundation/CFCalendar.h>
#include <CoreFoundation/CFNumber.h>
#include "CFPriv.h"
#include "CFInternal.h"
#include "CFLocaleInternal.h"
#include "CFICULogging.h"
#include <math.h>
#include <float.h>
typedef CF_ENUM(CFIndex, CFDateFormatterAmbiguousYearHandling) {
kCFDateFormatterAmbiguousYearFailToParse = 0, // fail the parse; the default formatter behavior
kCFDateFormatterAmbiguousYearAssumeToNone = 1, // default to assuming era 1, or the year 0-99
kCFDateFormatterAmbiguousYearAssumeToCurrent = 2, // default to assuming the current century or era
kCFDateFormatterAmbiguousYearAssumeToCenteredAroundCurrentDate = 3,
kCFDateFormatterAmbiguousYearAssumeToFuture = 4,
kCFDateFormatterAmbiguousYearAssumeToPast = 5,
kCFDateFormatterAmbiguousYearAssumeToLikelyFuture = 6,
kCFDateFormatterAmbiguousYearAssumeToLikelyPast = 7
};
extern UCalendar *__CFCalendarCreateUCalendar(CFStringRef calendarID, CFStringRef localeID, CFTimeZoneRef tz);
static CONST_STRING_DECL(kCFDateFormatterFormattingContextKey, "kCFDateFormatterFormattingContextKey");
CF_EXPORT const CFStringRef kCFDateFormatterCalendarIdentifierKey;
#undef CFReleaseIfNotNull
#define CFReleaseIfNotNull(X) if (X) CFRelease(X)
#define BUFFER_SIZE 768
static CFStringRef __CFDateFormatterCreateForcedTemplate(CFLocaleRef locale, CFStringRef inString, Boolean stripAMPM);
// If you pass in a string in tmplate, you get back NULL (failure) or a CFStringRef.
// If you pass in an array in tmplate, you get back NULL (global failure) or a CFArrayRef with CFStringRefs or kCFNulls (per-template failure) at each corresponding index.
CFArrayRef CFDateFormatterCreateDateFormatsFromTemplates(CFAllocatorRef allocator, CFArrayRef tmplates, CFOptionFlags options, CFLocaleRef locale) {
return (CFArrayRef)CFDateFormatterCreateDateFormatFromTemplate(allocator, (CFStringRef)tmplates, options, locale);
}
static Boolean useTemplatePatternGenerator(CFLocaleRef locale, void(^work)(UDateTimePatternGenerator *ptg)) {
static UDateTimePatternGenerator *ptg;
static pthread_mutex_t ptgLock = PTHREAD_MUTEX_INITIALIZER;
static const char *ptgLocaleName;
CFStringRef ln = locale ? CFLocaleGetIdentifier(locale) : CFSTR("");
char buffer[BUFFER_SIZE];
const char *localeName = CFStringGetCStringPtr(ln, kCFStringEncodingASCII);
if (NULL == localeName) {
if (CFStringGetCString(ln, buffer, BUFFER_SIZE, kCFStringEncodingASCII)) localeName = buffer;
}
static void (^flushCache)() = ^{
__cficu_udatpg_close(ptg);
ptg = NULL;
free((void *)ptgLocaleName);
ptgLocaleName = NULL;
};
pthread_mutex_lock(&ptgLock);
if (ptgLocaleName && strcmp(ptgLocaleName, localeName) != 0) {
flushCache();
}
UErrorCode status = U_ZERO_ERROR;
if (!ptg) {
ptg = __cficu_udatpg_open(localeName, &status);
if (ptg && !U_FAILURE(status)) {
ptgLocaleName = strdup(localeName);
}
}
Boolean result = (NULL != ptg && !U_FAILURE(status));
if (result && work) {
work(ptg);
}
pthread_mutex_unlock(&ptgLock);
return result;
}
/*
1) Scan the string for an AM/PM indicator
2) Back up past any spaces in front of the AM/PM indicator
3) As long as the current character is whitespace, or an 'a', remove it and shift everything past it down
*/
static void _CFDateFormatterStripAMPMIndicators(UniChar **bpat, int32_t *bpatlen, CFIndex bufferSize) {
//scan
for (CFIndex idx = 0; idx < *bpatlen; idx++) {
if ((*bpat)[idx] == 'a') {
//back up
while ((*bpat)[idx - 1] == ' ') {
idx--;
}
//shift
for (; (*bpat)[idx] == ' ' || (*bpat)[idx] == 'a'; idx++) {
for (CFIndex shiftIdx = idx; shiftIdx < *bpatlen && shiftIdx + 1 < bufferSize; shiftIdx++) {
(*bpat)[shiftIdx] = (*bpat)[shiftIdx + 1];
}
//compensate for the character we just removed
(*bpatlen)--;
idx--;
}
}
}
}
CFStringRef CFDateFormatterCreateDateFormatFromTemplate(CFAllocatorRef allocator, CFStringRef tmplate, CFOptionFlags options, CFLocaleRef locale) {
if (allocator) __CFGenericValidateType(allocator, CFAllocatorGetTypeID());
if (locale) __CFGenericValidateType(locale, CFLocaleGetTypeID());
Boolean tmplateIsString = (CFStringGetTypeID() == CFGetTypeID(tmplate));
if (!tmplateIsString) {
__CFGenericValidateType(tmplate, CFArrayGetTypeID());
}
__block CFTypeRef result = tmplateIsString ? NULL : (CFTypeRef)CFArrayCreateMutable(allocator, 0, &kCFTypeArrayCallBacks);
Boolean success = useTemplatePatternGenerator(locale, ^(UDateTimePatternGenerator *ptg) {
for (CFIndex idx = 0, cnt = tmplateIsString ? 1 : CFArrayGetCount((CFArrayRef)tmplate); idx < cnt; idx++) {
CFStringRef tmplateString = tmplateIsString ? (CFStringRef)tmplate : (CFStringRef)CFArrayGetValueAtIndex((CFArrayRef)tmplate, idx);
CFStringRef resultString = NULL;
Boolean stripAMPM = CFStringFind(tmplateString, CFSTR("J"), 0).location != kCFNotFound;
tmplateString = __CFDateFormatterCreateForcedTemplate(locale ? locale : CFLocaleGetSystem(), tmplateString, stripAMPM);
CFIndex jCount = 0; // the only interesting cases are 0, 1, and 2 (adjacent)
UniChar adjacentJs[2] = {-1, -1};
CFRange r = CFStringFind(tmplateString, CFSTR("j"), kCFCompareCaseInsensitive);
if (kCFNotFound != r.location) {
adjacentJs[0] = CFStringGetCharacterAtIndex(tmplateString, r.location);
jCount++;
if ((r.location + 1 < CFStringGetLength(tmplateString)) && ('j' == CFStringGetCharacterAtIndex(tmplateString, r.location + 1) || 'J' == CFStringGetCharacterAtIndex(tmplateString, r.location + 1))) {
jCount++;
adjacentJs[1] = CFStringGetCharacterAtIndex(tmplateString, r.location + 1);
}
}
UChar pattern[BUFFER_SIZE] = {0}, skel[BUFFER_SIZE] = {0}, bpat[BUFFER_SIZE] = {0};
CFIndex tmpltLen = CFStringGetLength(tmplateString);
if (BUFFER_SIZE < tmpltLen) tmpltLen = BUFFER_SIZE;
CFStringGetCharacters(tmplateString, CFRangeMake(0, tmpltLen), (UniChar *)pattern);
CFRelease(tmplateString);
int32_t patlen = tmpltLen;
UErrorCode status = U_ZERO_ERROR;
int32_t skellen = __cficu_udatpg_getSkeleton(ptg, pattern, patlen, skel, sizeof(skel) / sizeof(skel[0]), &status);
if (!U_FAILURE(status)) {
if ((0 < jCount) && (skellen + jCount < (sizeof(skel) / sizeof(skel[0])))) {
skel[skellen++] = 'j'; //adjacentJs[0];
if (1 < jCount) skel[skellen++] = 'j'; //adjacentJs[1];
//stripAMPM = false; //'J' will take care of it. We only need to do it manually if we stripped the Js out ourselves while forcing 12/24 hour time
}
status = U_ZERO_ERROR;
int32_t bpatlen = __cficu_udatpg_getBestPattern(ptg, skel, skellen, bpat, sizeof(bpat) / sizeof(bpat[0]), &status);
if (!U_FAILURE(status)) {
if (stripAMPM) {
UniChar *bpatptr = (UniChar *)bpat;
_CFDateFormatterStripAMPMIndicators(&bpatptr, &bpatlen, BUFFER_SIZE);
}
resultString = CFStringCreateWithCharacters(allocator, (const UniChar *)bpat, bpatlen);
}
}
if (tmplateIsString) {
result = (CFTypeRef)resultString;
} else {
CFArrayAppendValue((CFMutableArrayRef)result, resultString ? (CFTypeRef)resultString : (CFTypeRef)kCFNull);
if (resultString) CFRelease(resultString);
}
}
});
if (!success) {
if (result) CFRelease(result);
result = NULL;
}
return (CFStringRef)result;
}
struct __CFDateFormatter {
CFRuntimeBase _base;
UDateFormat *_df;
CFLocaleRef _locale;
CFDateFormatterStyle _timeStyle;
CFDateFormatterStyle _dateStyle;
CFStringRef _format;
CFStringRef _defformat;
struct {
CFBooleanRef _IsLenient;
CFBooleanRef _DoesRelativeDateFormatting;
CFBooleanRef _HasCustomFormat;
CFTimeZoneRef _TimeZone;
CFCalendarRef _Calendar;
CFStringRef _CalendarName;
CFDateRef _TwoDigitStartDate;
CFDateRef _DefaultDate;
CFDateRef _GregorianStartDate;
CFArrayRef _EraSymbols;
CFArrayRef _LongEraSymbols;
CFArrayRef _MonthSymbols;
CFArrayRef _ShortMonthSymbols;
CFArrayRef _VeryShortMonthSymbols;
CFArrayRef _StandaloneMonthSymbols;
CFArrayRef _ShortStandaloneMonthSymbols;
CFArrayRef _VeryShortStandaloneMonthSymbols;
CFArrayRef _WeekdaySymbols;
CFArrayRef _ShortWeekdaySymbols;
CFArrayRef _VeryShortWeekdaySymbols;
CFArrayRef _StandaloneWeekdaySymbols;
CFArrayRef _ShortStandaloneWeekdaySymbols;
CFArrayRef _VeryShortStandaloneWeekdaySymbols;
CFArrayRef _QuarterSymbols;
CFArrayRef _ShortQuarterSymbols;
CFArrayRef _StandaloneQuarterSymbols;
CFArrayRef _ShortStandaloneQuarterSymbols;
CFStringRef _AMSymbol;
CFStringRef _PMSymbol;
CFNumberRef _AmbiguousYearStrategy;
CFBooleanRef _UsesCharacterDirection;
CFNumberRef _FormattingContext;
// the following are from preferences
CFArrayRef _CustomEraSymbols;
CFArrayRef _CustomLongEraSymbols;
CFArrayRef _CustomMonthSymbols;
CFArrayRef _CustomShortMonthSymbols;
CFArrayRef _CustomVeryShortMonthSymbols;
CFArrayRef _CustomStandaloneMonthSymbols;
CFArrayRef _CustomShortStandaloneMonthSymbols;
CFArrayRef _CustomVeryShortStandaloneMonthSymbols;
CFArrayRef _CustomWeekdaySymbols;
CFArrayRef _CustomShortWeekdaySymbols;
CFArrayRef _CustomVeryShortWeekdaySymbols;
CFArrayRef _CustomStandaloneWeekdaySymbols;
CFArrayRef _CustomShortStandaloneWeekdaySymbols;
CFArrayRef _CustomVeryShortStandaloneWeekdaySymbols;
CFArrayRef _CustomQuarterSymbols;
CFArrayRef _CustomShortQuarterSymbols;
CFArrayRef _CustomStandaloneQuarterSymbols;
CFArrayRef _CustomShortStandaloneQuarterSymbols;
CFStringRef _CustomDateFormat;
CFStringRef _CustomTimeFormat;
CFBooleanRef _Custom24Hour;
CFBooleanRef _Custom12Hour;
CFStringRef _CustomAMSymbol;
CFStringRef _CustomPMSymbol;
CFDictionaryRef _CustomFirstWeekday;
CFDictionaryRef _CustomMinDaysInFirstWeek;
} _property;
};
static CFStringRef __CFDateFormatterCopyDescription(CFTypeRef cf) {
CFDateFormatterRef formatter = (CFDateFormatterRef)cf;
return CFStringCreateWithFormat(CFGetAllocator(formatter), NULL, CFSTR("<CFDateFormatter %p [%p]>"), cf, CFGetAllocator(formatter));
}
static void __CFDateFormatterDeallocate(CFTypeRef cf) {
CFDateFormatterRef formatter = (CFDateFormatterRef)cf;
if (formatter->_df) __cficu_udat_close(formatter->_df);
if (formatter->_locale) CFRelease(formatter->_locale);
if (formatter->_format) CFRelease(formatter->_format);
if (formatter->_defformat) CFRelease(formatter->_defformat);
CFReleaseIfNotNull(formatter->_property._IsLenient);
CFReleaseIfNotNull(formatter->_property._DoesRelativeDateFormatting);
CFReleaseIfNotNull(formatter->_property._TimeZone);
CFReleaseIfNotNull(formatter->_property._Calendar);
CFReleaseIfNotNull(formatter->_property._CalendarName);
CFReleaseIfNotNull(formatter->_property._TwoDigitStartDate);
CFReleaseIfNotNull(formatter->_property._DefaultDate);
CFReleaseIfNotNull(formatter->_property._GregorianStartDate);
CFReleaseIfNotNull(formatter->_property._EraSymbols);
CFReleaseIfNotNull(formatter->_property._LongEraSymbols);
CFReleaseIfNotNull(formatter->_property._MonthSymbols);
CFReleaseIfNotNull(formatter->_property._ShortMonthSymbols);
CFReleaseIfNotNull(formatter->_property._VeryShortMonthSymbols);
CFReleaseIfNotNull(formatter->_property._StandaloneMonthSymbols);
CFReleaseIfNotNull(formatter->_property._ShortStandaloneMonthSymbols);
CFReleaseIfNotNull(formatter->_property._VeryShortStandaloneMonthSymbols);
CFReleaseIfNotNull(formatter->_property._WeekdaySymbols);
CFReleaseIfNotNull(formatter->_property._ShortWeekdaySymbols);
CFReleaseIfNotNull(formatter->_property._VeryShortWeekdaySymbols);
CFReleaseIfNotNull(formatter->_property._StandaloneWeekdaySymbols);
CFReleaseIfNotNull(formatter->_property._ShortStandaloneWeekdaySymbols);
CFReleaseIfNotNull(formatter->_property._VeryShortStandaloneWeekdaySymbols);
CFReleaseIfNotNull(formatter->_property._QuarterSymbols);
CFReleaseIfNotNull(formatter->_property._ShortQuarterSymbols);
CFReleaseIfNotNull(formatter->_property._StandaloneQuarterSymbols);
CFReleaseIfNotNull(formatter->_property._ShortStandaloneQuarterSymbols);
CFReleaseIfNotNull(formatter->_property._AMSymbol);
CFReleaseIfNotNull(formatter->_property._PMSymbol);
CFReleaseIfNotNull(formatter->_property._AmbiguousYearStrategy);
CFReleaseIfNotNull(formatter->_property._UsesCharacterDirection);
CFReleaseIfNotNull(formatter->_property._FormattingContext);
CFReleaseIfNotNull(formatter->_property._CustomEraSymbols);
CFReleaseIfNotNull(formatter->_property._CustomMonthSymbols);
CFReleaseIfNotNull(formatter->_property._CustomShortMonthSymbols);
CFReleaseIfNotNull(formatter->_property._CustomWeekdaySymbols);
CFReleaseIfNotNull(formatter->_property._CustomShortWeekdaySymbols);
CFReleaseIfNotNull(formatter->_property._CustomLongEraSymbols);
CFReleaseIfNotNull(formatter->_property._CustomVeryShortMonthSymbols);
CFReleaseIfNotNull(formatter->_property._CustomVeryShortWeekdaySymbols);
CFReleaseIfNotNull(formatter->_property._CustomStandaloneMonthSymbols);
CFReleaseIfNotNull(formatter->_property._CustomShortStandaloneMonthSymbols);
CFReleaseIfNotNull(formatter->_property._CustomVeryShortStandaloneMonthSymbols);
CFReleaseIfNotNull(formatter->_property._CustomStandaloneWeekdaySymbols);
CFReleaseIfNotNull(formatter->_property._CustomShortStandaloneWeekdaySymbols);
CFReleaseIfNotNull(formatter->_property._CustomVeryShortStandaloneWeekdaySymbols);
CFReleaseIfNotNull(formatter->_property._CustomQuarterSymbols);
CFReleaseIfNotNull(formatter->_property._CustomShortQuarterSymbols);
CFReleaseIfNotNull(formatter->_property._CustomShortStandaloneQuarterSymbols);
CFReleaseIfNotNull(formatter->_property._CustomDateFormat);
CFReleaseIfNotNull(formatter->_property._CustomTimeFormat);
CFReleaseIfNotNull(formatter->_property._Custom24Hour);
CFReleaseIfNotNull(formatter->_property._Custom12Hour);
CFReleaseIfNotNull(formatter->_property._CustomAMSymbol);
CFReleaseIfNotNull(formatter->_property._CustomPMSymbol);
CFReleaseIfNotNull(formatter->_property._CustomFirstWeekday);
CFReleaseIfNotNull(formatter->_property._CustomMinDaysInFirstWeek);
}
static CFStringRef __CFDateFormatterCreateForcedString(CFDateFormatterRef formatter, CFStringRef inString);
static void __CFDateFormatterSetProperty(CFDateFormatterRef formatter, CFStringRef key, CFTypeRef value, Boolean directToICU);
static void __CFDateFormatterStoreSymbolPrefs(const void *key, const void *value, void *context);
extern CFDictionaryRef __CFLocaleGetPrefs(CFLocaleRef locale);
static void __substituteFormatStringFromPrefsDFRelative(CFDateFormatterRef formatter);
static void __substituteFormatStringFromPrefsDF(CFDateFormatterRef formatter, bool doTime);
static void __CFDateFormatterSetSymbolsArray(UDateFormat *icudf, int32_t icucode, int index_base, CFTypeRef value);
static void __ReadCustomUDateFormatProperty(CFDateFormatterRef formatter) {
CFDictionaryRef prefs = __CFLocaleGetPrefs(formatter->_locale);
CFPropertyListRef metapref = prefs ? CFDictionaryGetValue(prefs, CFSTR("AppleICUDateTimeSymbols")) : NULL;
if (NULL != metapref && CFGetTypeID(metapref) == CFDictionaryGetTypeID()) {
CFDictionaryApplyFunction((CFDictionaryRef)metapref, __CFDateFormatterStoreSymbolPrefs, formatter);
}
metapref = prefs ? CFDictionaryGetValue(prefs, CFSTR("AppleFirstWeekday")) : NULL;
if (NULL != metapref && CFGetTypeID(metapref) == CFDictionaryGetTypeID()) {
formatter->_property._CustomFirstWeekday = (CFDictionaryRef)CFRetain(metapref);
}
metapref = prefs ? CFDictionaryGetValue(prefs, CFSTR("AppleMinDaysInFirstWeek")) : NULL;
if (NULL != metapref && CFGetTypeID(metapref) == CFDictionaryGetTypeID()) {
formatter->_property._CustomMinDaysInFirstWeek = (CFDictionaryRef)CFRetain(metapref);
}
metapref = prefs ? CFDictionaryGetValue(prefs, CFSTR("AppleICUForce24HourTime")) : NULL;
if (NULL != metapref && CFGetTypeID(metapref) == CFBooleanGetTypeID()) {
formatter->_property._Custom24Hour = (CFBooleanRef)CFRetain(metapref);
}
metapref = prefs ? CFDictionaryGetValue(prefs, CFSTR("AppleICUForce12HourTime")) : NULL;
if (NULL != metapref && CFGetTypeID(metapref) == CFBooleanGetTypeID()) {
formatter->_property._Custom12Hour = (CFBooleanRef)CFRetain(metapref);
}
metapref = prefs ? CFDictionaryGetValue(prefs, CFSTR("AppleICUDateFormatStrings")) : NULL;
if (NULL != metapref && CFGetTypeID(metapref) == CFDictionaryGetTypeID()) {
CFStringRef key;
switch (formatter->_dateStyle) {
case kCFDateFormatterShortStyle: key = CFSTR("1"); break;
case kCFDateFormatterMediumStyle: key = CFSTR("2"); break;
case kCFDateFormatterLongStyle: key = CFSTR("3"); break;
case kCFDateFormatterFullStyle: key = CFSTR("4"); break;
default: key = CFSTR("0"); break;
}
CFStringRef dateFormat = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)metapref, key);
if (NULL != dateFormat && CFGetTypeID(dateFormat) == CFStringGetTypeID()) {
formatter->_property._CustomDateFormat = (CFStringRef)CFRetain(dateFormat);
}
}
metapref = prefs ? CFDictionaryGetValue(prefs, CFSTR("AppleICUTimeFormatStrings")) : NULL;
if (NULL != metapref && CFGetTypeID(metapref) == CFDictionaryGetTypeID()) {
CFStringRef key;
switch (formatter->_timeStyle) {
case kCFDateFormatterShortStyle: key = CFSTR("1"); break;
case kCFDateFormatterMediumStyle: key = CFSTR("2"); break;
case kCFDateFormatterLongStyle: key = CFSTR("3"); break;
case kCFDateFormatterFullStyle: key = CFSTR("4"); break;
default: key = CFSTR("0"); break;
}
CFStringRef timeFormat = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)metapref, key);
if (NULL != timeFormat && CFGetTypeID(timeFormat) == CFStringGetTypeID()) {
formatter->_property._CustomTimeFormat = (CFStringRef)CFRetain(timeFormat);
}
}
}
static void __ApplyUDateFormatSymbol(CFDateFormatterRef formatter) {
UDateFormatSymbolType types[18] = {UDAT_ERAS,
UDAT_ERA_NAMES,
UDAT_MONTHS,
UDAT_SHORT_MONTHS,
UDAT_NARROW_MONTHS,
UDAT_STANDALONE_MONTHS,
UDAT_STANDALONE_SHORT_MONTHS,
UDAT_STANDALONE_NARROW_MONTHS,
UDAT_WEEKDAYS,
UDAT_SHORT_WEEKDAYS,
UDAT_NARROW_WEEKDAYS,
UDAT_STANDALONE_WEEKDAYS,
UDAT_STANDALONE_SHORT_WEEKDAYS,
UDAT_STANDALONE_NARROW_WEEKDAYS,
UDAT_QUARTERS,
UDAT_SHORT_QUARTERS,
UDAT_STANDALONE_QUARTERS,
UDAT_STANDALONE_SHORT_QUARTERS};
int offsets[18] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0};
CFArrayRef symbols[18] = {formatter->_property._EraSymbols,
formatter->_property._LongEraSymbols,
formatter->_property._MonthSymbols,
formatter->_property._ShortMonthSymbols,
formatter->_property._VeryShortMonthSymbols,
formatter->_property._StandaloneMonthSymbols,
formatter->_property._ShortStandaloneMonthSymbols,
formatter->_property._VeryShortStandaloneMonthSymbols,
formatter->_property._WeekdaySymbols,
formatter->_property._ShortWeekdaySymbols,
formatter->_property._VeryShortWeekdaySymbols,
formatter->_property._StandaloneWeekdaySymbols,
formatter->_property._ShortStandaloneWeekdaySymbols,
formatter->_property._VeryShortStandaloneWeekdaySymbols,
formatter->_property._QuarterSymbols,
formatter->_property._ShortQuarterSymbols,
formatter->_property._StandaloneQuarterSymbols,
formatter->_property._ShortStandaloneQuarterSymbols
};
CFArrayRef customSymbols[18] = {formatter->_property._CustomEraSymbols,
formatter->_property._CustomLongEraSymbols,
formatter->_property._CustomMonthSymbols,
formatter->_property._CustomShortMonthSymbols,
formatter->_property._CustomVeryShortMonthSymbols,
formatter->_property._CustomStandaloneMonthSymbols,
formatter->_property._CustomShortStandaloneMonthSymbols,
formatter->_property._CustomVeryShortStandaloneMonthSymbols,
formatter->_property._CustomWeekdaySymbols,
formatter->_property._CustomShortWeekdaySymbols,
formatter->_property._CustomVeryShortWeekdaySymbols,
formatter->_property._CustomStandaloneWeekdaySymbols,
formatter->_property._CustomShortStandaloneWeekdaySymbols,
formatter->_property._CustomVeryShortStandaloneWeekdaySymbols,
formatter->_property._CustomQuarterSymbols,
formatter->_property._CustomShortQuarterSymbols,
formatter->_property._CustomStandaloneQuarterSymbols,
formatter->_property._CustomShortStandaloneQuarterSymbols
};
for (CFIndex i = 0; i < 18; i++) {
if (symbols[i] != NULL) {
__CFDateFormatterSetSymbolsArray(formatter->_df, types[i], offsets[i], symbols[i]);
} else if (customSymbols[i] != NULL) {
__CFDateFormatterSetSymbolsArray(formatter->_df, types[i], offsets[i], customSymbols[i]);
}
}
CFStringRef ampm[2];
ampm[0] = NULL;
ampm[1] = NULL;
if (formatter->_property._AMSymbol != NULL) {
ampm[0] = formatter->_property._AMSymbol;
} else if (formatter->_property._CustomAMSymbol != NULL) {
ampm[0] = formatter->_property._CustomAMSymbol;
}
if (formatter->_property._PMSymbol != NULL) {
ampm[1] = formatter->_property._PMSymbol;
} else if (formatter->_property._CustomPMSymbol != NULL) {
ampm[1] = formatter->_property._CustomPMSymbol;
}
for (CFIndex i = 0; i < 2; i++) {
CFStringRef sym = ampm[i];
if (sym != NULL) {
CFIndex item_cnt = CFStringGetLength(sym);
STACK_BUFFER_DECL(UChar, item_buffer, __CFMin(BUFFER_SIZE, item_cnt));
UChar *item_ustr = (UChar *)CFStringGetCharactersPtr(sym);
if (NULL == item_ustr) {
item_cnt = __CFMin(BUFFER_SIZE, item_cnt);
CFStringGetCharacters(sym, CFRangeMake(0, item_cnt), (UniChar *)item_buffer);
item_ustr = item_buffer;
}
UErrorCode status = U_ZERO_ERROR;
__cficu_udat_setSymbols(formatter->_df, UDAT_AM_PMS, i, item_ustr, item_cnt, &status);
}
}
}
static void __SetCalendarProperties(CFDateFormatterRef df) {
CFStringRef calName = df->_property._CalendarName ? (df->_property._CalendarName) : NULL;
if (!calName) {
calName = (CFStringRef)CFLocaleGetValue(df->_locale, kCFLocaleCalendarIdentifierKey);
}
UErrorCode status = U_ZERO_ERROR;
const UCalendar *cal = __cficu_udat_getCalendar(df->_df);
UCalendar *new_cal = NULL;
if (df->_property._Calendar != NULL || df->_property._CalendarName != NULL) {
UCalendar *caltmp = __CFCalendarCreateUCalendar(NULL, CFLocaleGetIdentifier(df->_locale), df->_property._TimeZone);
if (caltmp) {
new_cal = caltmp;
}
}
if (new_cal == NULL) {
new_cal = __cficu_ucal_clone(cal, &status);
}
if (df->_property._IsLenient != NULL) {
status = U_ZERO_ERROR;
CFBooleanRef value = df->_property._IsLenient;
__cficu_ucal_setAttribute(new_cal, UCAL_LENIENT, (kCFBooleanTrue == value));
}
if (df->_property._TimeZone != NULL) {
status = U_ZERO_ERROR;
UChar ubuffer[BUFFER_SIZE];
CFStringRef tznam = CFTimeZoneGetName(df->_property._TimeZone);
CFIndex ucnt = CFStringGetLength(tznam);
if (BUFFER_SIZE < ucnt) ucnt = BUFFER_SIZE;
CFStringGetCharacters(tznam, CFRangeMake(0, ucnt), (UniChar *)ubuffer);
__cficu_ucal_setTimeZone(new_cal, ubuffer, ucnt, &status);
}
if (df->_property._GregorianStartDate != NULL) {
status = U_ZERO_ERROR;
CFAbsoluteTime at = CFDateGetAbsoluteTime((CFDateRef)df->_property._GregorianStartDate);
UDate udate = (at + kCFAbsoluteTimeIntervalSince1970) * 1000.0;
__cficu_ucal_setGregorianChange(new_cal, udate, &status);
} else if (calName && CFEqual(calName, kCFCalendarIdentifierGregorian)) {
status = U_ZERO_ERROR;
UDate udate = __cficu_ucal_getGregorianChange(cal, &status);
CFAbsoluteTime at = U_SUCCESS(status) ? (udate / 1000.0 - kCFAbsoluteTimeIntervalSince1970) : -13197600000.0; // Oct 15, 1582
udate = (at + kCFAbsoluteTimeIntervalSince1970) * 1000.0;
status = U_ZERO_ERROR;
__cficu_ucal_setGregorianChange(new_cal, udate, &status);
}
if (df->_property._Calendar != NULL) {
__cficu_ucal_setAttribute(new_cal, UCAL_FIRST_DAY_OF_WEEK, CFCalendarGetFirstWeekday((CFCalendarRef)df->_property._Calendar));
} else if (df->_property._CustomFirstWeekday != NULL) {
CFNumberRef firstWeekday = (CFNumberRef)CFDictionaryGetValue(df->_property._CustomFirstWeekday, calName);
if (NULL != firstWeekday && CFGetTypeID(firstWeekday) == CFNumberGetTypeID()) {
CFIndex wkdy;
if (CFNumberGetValue((CFNumberRef)firstWeekday, kCFNumberCFIndexType, &wkdy)) {
status = U_ZERO_ERROR;
__cficu_ucal_setAttribute(new_cal, UCAL_FIRST_DAY_OF_WEEK, wkdy);
}
}
}
if (df->_property._Calendar != NULL) {
__cficu_ucal_setAttribute(new_cal, UCAL_MINIMAL_DAYS_IN_FIRST_WEEK, CFCalendarGetMinimumDaysInFirstWeek((CFCalendarRef)df->_property._Calendar));
} else if (df->_property._CustomMinDaysInFirstWeek != NULL) {
CFNumberRef minDays = (CFNumberRef)CFDictionaryGetValue(df->_property._CustomMinDaysInFirstWeek, calName);
if (NULL != minDays && CFGetTypeID(minDays) == CFNumberGetTypeID()) {
CFIndex mwd;
if (CFNumberGetValue((CFNumberRef)minDays, kCFNumberCFIndexType, &mwd)) {
status = U_ZERO_ERROR;
__cficu_ucal_setAttribute(new_cal, UCAL_MINIMAL_DAYS_IN_FIRST_WEEK, mwd);
}
}
}
__cficu_udat_setCalendar(df->_df, new_cal);
__cficu_ucal_close(new_cal);
}
#define RESET_PROPERTY(C, K) \
if (df->_property. C) __CFDateFormatterSetProperty(df, K, df->_property. C, true);
static void __ResetUDateFormat(CFDateFormatterRef df, Boolean goingToHaveCustomFormat) {
if (df->_df) __cficu_udat_close(df->_df);
df->_df = NULL;
// uses _timeStyle, _dateStyle, _locale, _property._TimeZone; sets _df, _format, _defformat
char loc_buffer[BUFFER_SIZE];
loc_buffer[0] = 0;
CFStringRef tmpLocName = df->_locale ? CFLocaleGetIdentifier(df->_locale) : CFSTR("");
CFStringGetCString(tmpLocName, loc_buffer, BUFFER_SIZE, kCFStringEncodingASCII);
UChar tz_buffer[BUFFER_SIZE];
tz_buffer[0] = 0;
CFStringRef tmpTZName = df->_property._TimeZone ? CFTimeZoneGetName(df->_property._TimeZone) : CFSTR("GMT");
CFStringGetCharacters(tmpTZName, CFRangeMake(0, CFStringGetLength(tmpTZName)), (UniChar *)tz_buffer);
int32_t udstyle = 0, utstyle = 0; // effectively this makes UDAT_FULL the default for unknown dateStyle/timeStyle values
switch (df->_dateStyle) {
case kCFDateFormatterNoStyle: udstyle = UDAT_NONE; break;
case kCFDateFormatterShortStyle: udstyle = UDAT_SHORT; break;
case kCFDateFormatterMediumStyle: udstyle = UDAT_MEDIUM; break;
case kCFDateFormatterLongStyle: udstyle = UDAT_LONG; break;
case kCFDateFormatterFullStyle: udstyle = UDAT_FULL; break;
}
switch (df->_timeStyle) {
case kCFDateFormatterNoStyle: utstyle = UDAT_NONE; break;
case kCFDateFormatterShortStyle: utstyle = UDAT_SHORT; break;
case kCFDateFormatterMediumStyle: utstyle = UDAT_MEDIUM; break;
case kCFDateFormatterLongStyle: utstyle = UDAT_LONG; break;
case kCFDateFormatterFullStyle: utstyle = UDAT_FULL; break;
}
Boolean wantRelative = (NULL != df->_property._DoesRelativeDateFormatting && df->_property._DoesRelativeDateFormatting == kCFBooleanTrue);
Boolean hasFormat = (NULL != df->_property._HasCustomFormat && df->_property._HasCustomFormat == kCFBooleanTrue) || goingToHaveCustomFormat;
if (wantRelative && !hasFormat && kCFDateFormatterNoStyle != df->_dateStyle) {
udstyle |= UDAT_RELATIVE;
}
UErrorCode status = U_ZERO_ERROR;
UDateFormat *icudf = __cficu_udat_open((UDateFormatStyle)utstyle, (UDateFormatStyle)udstyle, loc_buffer, tz_buffer, CFStringGetLength(tmpTZName), NULL, 0, &status);
if (NULL == icudf || U_FAILURE(status)) {
return;
}
// <rdar://problem/15420462> "Yesterday" and "Today" now appear in lower case
// ICU uses middle of sentence context for relative days by default. We need to have relative dates to be captalized by default for backward compatibility
if (wantRelative) {
__cficu_udat_setContext(icudf, UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU, &status);
}
if (df->_property._IsLenient != NULL) {
__cficu_udat_setLenient(icudf, (kCFBooleanTrue == df->_property._IsLenient));
} else {
__cficu_udat_setLenient(icudf, 0);
}
if (kCFDateFormatterNoStyle == df->_dateStyle && kCFDateFormatterNoStyle == df->_timeStyle) {
if (wantRelative && !hasFormat && kCFDateFormatterNoStyle != df->_dateStyle) {
UErrorCode s = U_ZERO_ERROR;
__cficu_udat_applyPatternRelative(icudf, NULL, 0, NULL, 0, &s);
} else {
__cficu_udat_applyPattern(icudf, false, NULL, 0);
}
}
if (!wantRelative && df->_property._HasCustomFormat == kCFBooleanTrue) {
CFIndex cnt = CFStringGetLength(df->_format);
STACK_BUFFER_DECL(UChar, ubuffer, cnt);
const UChar *ustr = (UChar *)CFStringGetCharactersPtr((CFStringRef)df->_format);
if (NULL == ustr) {
CFStringGetCharacters(df->_format, CFRangeMake(0, cnt), (UniChar *)ubuffer);
ustr = ubuffer;
}
__cficu_udat_applyPattern(icudf, false, ustr, cnt);
}
CFStringRef calident = (CFStringRef)CFLocaleGetValue(df->_locale, kCFLocaleCalendarIdentifierKey);
if (calident && CFEqual(calident, kCFCalendarIdentifierGregorian)) {
status = U_ZERO_ERROR;
__cficu_udat_set2DigitYearStart(icudf, -631152000000.0, &status); // 1950-01-01 00:00:00 GMT
}
df->_df = icudf;
__ReadCustomUDateFormatProperty(df);
__SetCalendarProperties(df);
if (wantRelative && !hasFormat && kCFDateFormatterNoStyle != df->_dateStyle) {
__substituteFormatStringFromPrefsDFRelative(df);
} else {
__substituteFormatStringFromPrefsDF(df, false);
__substituteFormatStringFromPrefsDF(df, true);
}
__ApplyUDateFormatSymbol(df);
if (wantRelative && !hasFormat && kCFDateFormatterNoStyle != df->_dateStyle) {
UChar dateBuffer[BUFFER_SIZE];
UChar timeBuffer[BUFFER_SIZE];
status = U_ZERO_ERROR;
CFIndex dateLen = __cficu_udat_toPatternRelativeDate(icudf, dateBuffer, BUFFER_SIZE, &status);
CFIndex timeLen = (utstyle != UDAT_NONE) ? __cficu_udat_toPatternRelativeTime(icudf, timeBuffer, BUFFER_SIZE, &status) : 0;
if (U_SUCCESS(status) && dateLen <= BUFFER_SIZE && timeLen <= BUFFER_SIZE) {
// We assume that the 12/24-hour forcing preferences only affect the Time component
CFStringRef newFormat = CFStringCreateWithCharacters(kCFAllocatorSystemDefault, (const UniChar *)timeBuffer, timeLen);
CFStringRef formatString = __CFDateFormatterCreateForcedString(df, newFormat);
CFIndex cnt = CFStringGetLength(formatString);
CFAssert1(cnt <= BUFFER_SIZE, __kCFLogAssertion, "%s(): time format string too long", __PRETTY_FUNCTION__);
if (cnt <= BUFFER_SIZE) {
CFStringGetCharacters(formatString, CFRangeMake(0, cnt), (UniChar *)timeBuffer);
timeLen = cnt;
status = U_ZERO_ERROR;
__cficu_udat_applyPatternRelative(icudf, dateBuffer, dateLen, timeBuffer, timeLen, &status);
// ignore error and proceed anyway, what else can be done?
UChar ubuffer[BUFFER_SIZE];
status = U_ZERO_ERROR;
int32_t ret = __cficu_udat_toPattern(icudf, false, ubuffer, BUFFER_SIZE, &status); // read out current pattern
if (U_SUCCESS(status) && ret <= BUFFER_SIZE) {
if (df->_format) CFRelease(df->_format);
df->_format = CFStringCreateWithCharacters(kCFAllocatorSystemDefault, (const UniChar *)ubuffer, ret);
}
}
CFRelease(formatString);
CFRelease(newFormat);
}
} else {
UChar ubuffer[BUFFER_SIZE];
status = U_ZERO_ERROR;
int32_t ret = __cficu_udat_toPattern(icudf, false, ubuffer, BUFFER_SIZE, &status);
if (U_SUCCESS(status) && ret <= BUFFER_SIZE) {
CFStringRef newFormat = CFStringCreateWithCharacters(kCFAllocatorSystemDefault, (const UniChar *)ubuffer, ret);
CFStringRef formatString = __CFDateFormatterCreateForcedString(df, newFormat);
CFIndex cnt = CFStringGetLength(formatString);
CFAssert1(cnt <= 1024, __kCFLogAssertion, "%s(): format string too long", __PRETTY_FUNCTION__);
if (df->_format != formatString && cnt <= 1024) {
STACK_BUFFER_DECL(UChar, ubuffer, cnt);
const UChar *ustr = (UChar *)CFStringGetCharactersPtr((CFStringRef)formatString);
if (NULL == ustr) {
CFStringGetCharacters(formatString, CFRangeMake(0, cnt), (UniChar *)ubuffer);
ustr = ubuffer;
}
UErrorCode status = U_ZERO_ERROR;
// __cficu_udat_applyPattern(df->_df, false, ustr, cnt, &status);
__cficu_udat_applyPattern(df->_df, false, ustr, cnt);
if (U_SUCCESS(status)) {
if (df->_format) CFRelease(df->_format);
df->_format = (CFStringRef)CFStringCreateCopy(CFGetAllocator(df), formatString);
}
}
CFRelease(formatString);
CFRelease(newFormat);
}
}
if (df->_defformat) CFRelease(df->_defformat);
df->_defformat = df->_format ? (CFStringRef)CFRetain(df->_format) : NULL;
RESET_PROPERTY(_IsLenient, kCFDateFormatterIsLenientKey);
RESET_PROPERTY(_DoesRelativeDateFormatting, kCFDateFormatterDoesRelativeDateFormattingKey);
RESET_PROPERTY(_Calendar, kCFDateFormatterCalendarKey);
RESET_PROPERTY(_CalendarName, kCFDateFormatterCalendarIdentifierKey);
RESET_PROPERTY(_TimeZone, kCFDateFormatterTimeZoneKey);
RESET_PROPERTY(_TwoDigitStartDate, kCFDateFormatterTwoDigitStartDateKey);
RESET_PROPERTY(_DefaultDate, kCFDateFormatterDefaultDateKey);
RESET_PROPERTY(_GregorianStartDate, kCFDateFormatterGregorianStartDateKey);
RESET_PROPERTY(_AmbiguousYearStrategy, kCFDateFormatterAmbiguousYearStrategyKey);
RESET_PROPERTY(_UsesCharacterDirection, kCFDateFormatterUsesCharacterDirectionKey);
RESET_PROPERTY(_FormattingContext, kCFDateFormatterFormattingContextKey);
}
static CFTypeID __kCFDateFormatterTypeID = _kCFRuntimeNotATypeID;
static const CFRuntimeClass __CFDateFormatterClass = {
0,
"CFDateFormatter",
NULL, // init
NULL, // copy
__CFDateFormatterDeallocate,
NULL,
NULL,
NULL, //
__CFDateFormatterCopyDescription
};
CFTypeID CFDateFormatterGetTypeID(void) {
static dispatch_once_t initOnce;
dispatch_once(&initOnce, ^{ __kCFDateFormatterTypeID = _CFRuntimeRegisterClass(&__CFDateFormatterClass); });
return __kCFDateFormatterTypeID;
}
CFDateFormatterRef CFDateFormatterCreate(CFAllocatorRef allocator, CFLocaleRef locale, CFDateFormatterStyle dateStyle, CFDateFormatterStyle timeStyle) {
struct __CFDateFormatter *memory;
uint32_t size = sizeof(struct __CFDateFormatter) - sizeof(CFRuntimeBase);
if (allocator == NULL) allocator = __CFGetDefaultAllocator();
__CFGenericValidateType(allocator, CFAllocatorGetTypeID());
if (locale) __CFGenericValidateType(locale, CFLocaleGetTypeID());
memory = (struct __CFDateFormatter *)_CFRuntimeCreateInstance(allocator, CFDateFormatterGetTypeID(), size, NULL);
if (NULL == memory) {
return NULL;
}
memory->_df = NULL;
memory->_locale = NULL;
memory->_format = NULL;
memory->_defformat = NULL;
memory->_dateStyle = dateStyle;
memory->_timeStyle = timeStyle;
memory->_property._IsLenient = NULL;
memory->_property._DoesRelativeDateFormatting = NULL;
memory->_property._HasCustomFormat = NULL;
memory->_property._TimeZone = NULL;
memory->_property._Calendar = NULL;
memory->_property._CalendarName = NULL;
memory->_property._TwoDigitStartDate = NULL;
memory->_property._DefaultDate = NULL;
memory->_property._GregorianStartDate = NULL;
memory->_property._EraSymbols = NULL;
memory->_property._LongEraSymbols = NULL;
memory->_property._MonthSymbols = NULL;
memory->_property._ShortMonthSymbols = NULL;
memory->_property._VeryShortMonthSymbols = NULL;
memory->_property._StandaloneMonthSymbols = NULL;
memory->_property._ShortStandaloneMonthSymbols = NULL;
memory->_property._VeryShortStandaloneMonthSymbols = NULL;
memory->_property._WeekdaySymbols = NULL;
memory->_property._ShortWeekdaySymbols = NULL;
memory->_property._VeryShortWeekdaySymbols = NULL;
memory->_property._StandaloneWeekdaySymbols = NULL;
memory->_property._ShortStandaloneWeekdaySymbols = NULL;
memory->_property._VeryShortStandaloneWeekdaySymbols = NULL;
memory->_property._QuarterSymbols = NULL;
memory->_property._ShortQuarterSymbols = NULL;
memory->_property._StandaloneQuarterSymbols = NULL;
memory->_property._ShortStandaloneQuarterSymbols = NULL;
memory->_property._AMSymbol = NULL;
memory->_property._PMSymbol = NULL;
memory->_property._AmbiguousYearStrategy = NULL;
memory->_property._UsesCharacterDirection = NULL;
memory->_property._FormattingContext = NULL;
memory->_property._CustomEraSymbols = NULL;
memory->_property._CustomMonthSymbols = NULL;
memory->_property._CustomShortMonthSymbols = NULL;
memory->_property._CustomWeekdaySymbols = NULL;
memory->_property._CustomShortWeekdaySymbols = NULL;
memory->_property._CustomLongEraSymbols = NULL;
memory->_property._CustomVeryShortMonthSymbols = NULL;
memory->_property._CustomVeryShortWeekdaySymbols = NULL;
memory->_property._CustomStandaloneMonthSymbols = NULL;
memory->_property._CustomShortStandaloneMonthSymbols = NULL;
memory->_property._CustomVeryShortStandaloneMonthSymbols = NULL;
memory->_property._CustomStandaloneWeekdaySymbols = NULL;
memory->_property._CustomShortStandaloneWeekdaySymbols = NULL;
memory->_property._CustomVeryShortStandaloneWeekdaySymbols = NULL;
memory->_property._CustomQuarterSymbols = NULL;
memory->_property._CustomShortQuarterSymbols = NULL;
memory->_property._CustomStandaloneQuarterSymbols = NULL;
memory->_property._CustomShortStandaloneQuarterSymbols = NULL;
memory->_property._CustomDateFormat = NULL;
memory->_property._CustomTimeFormat = NULL;
memory->_property._Custom24Hour = NULL;
memory->_property._Custom12Hour = NULL;
memory->_property._CustomAMSymbol = NULL;
memory->_property._CustomPMSymbol = NULL;
memory->_property._CustomFirstWeekday = NULL;
memory->_property._CustomMinDaysInFirstWeek = NULL;
switch (dateStyle) {
case kCFDateFormatterNoStyle:
case kCFDateFormatterShortStyle:
case kCFDateFormatterMediumStyle:
case kCFDateFormatterLongStyle:
case kCFDateFormatterFullStyle: break;
default:
CFAssert2(0, __kCFLogAssertion, "%s(): unknown date style %d", __PRETTY_FUNCTION__, dateStyle);
memory->_dateStyle = kCFDateFormatterMediumStyle;
break;
}
switch (timeStyle) {
case kCFDateFormatterNoStyle:
case kCFDateFormatterShortStyle:
case kCFDateFormatterMediumStyle:
case kCFDateFormatterLongStyle:
case kCFDateFormatterFullStyle: break;
default:
CFAssert2(0, __kCFLogAssertion, "%s(): unknown time style %d", __PRETTY_FUNCTION__, timeStyle);
memory->_timeStyle = kCFDateFormatterMediumStyle;
break;
}
memory->_locale = locale ? CFLocaleCreateCopy(allocator, locale) : (CFLocaleRef)CFRetain(CFLocaleGetSystem());
memory->_property._TimeZone = CFTimeZoneCopyDefault();
CFStringRef calident = (CFStringRef)CFLocaleGetValue(memory->_locale, kCFLocaleCalendarIdentifierKey);
if (calident && CFEqual(calident, kCFCalendarIdentifierGregorian)) {
memory->_property._TwoDigitStartDate = CFDateCreate(kCFAllocatorSystemDefault, -1609459200.0); // 1950-01-01 00:00:00 +0000
}
__ResetUDateFormat(memory, false);
if (!memory->_df) {
CFRelease(memory);
return NULL;
}
return (CFDateFormatterRef)memory;
}
static void __substituteFormatStringFromPrefsDFRelative(CFDateFormatterRef formatter) {
CFIndex dateLen = -1;
UChar dateBuffer[BUFFER_SIZE];
if (kCFDateFormatterNoStyle != formatter->_dateStyle) {
if (formatter->_property._CustomDateFormat != NULL) {
dateLen = __CFMin(CFStringGetLength(formatter->_property._CustomDateFormat), BUFFER_SIZE);
CFStringGetCharacters(formatter->_property._CustomDateFormat, CFRangeMake(0, dateLen), (UniChar *)dateBuffer);
}
}
if (-1 == dateLen) {
UErrorCode status = U_ZERO_ERROR;
int32_t ret = __cficu_udat_toPatternRelativeDate(formatter->_df, dateBuffer, BUFFER_SIZE, &status);
if (!U_FAILURE(status)) {
dateLen = ret;
}
}
CFIndex timeLen = -1;
UChar timeBuffer[BUFFER_SIZE];
if (kCFDateFormatterNoStyle != formatter->_timeStyle) {
if (formatter->_property._CustomTimeFormat != NULL) {
timeLen = __CFMin(CFStringGetLength(formatter->_property._CustomTimeFormat), BUFFER_SIZE);
CFStringGetCharacters(formatter->_property._CustomTimeFormat, CFRangeMake(0, timeLen), (UniChar *)timeBuffer);
}
}
if (-1 == timeLen) {
UErrorCode status = U_ZERO_ERROR;
int32_t ret = __cficu_udat_toPatternRelativeTime(formatter->_df, timeBuffer, BUFFER_SIZE, &status);
if (!U_FAILURE(status)) {
timeLen = ret;
}
}
UErrorCode status = U_ZERO_ERROR;
__cficu_udat_applyPatternRelative(formatter->_df, (0 <= dateLen) ? dateBuffer : NULL, (0 <= dateLen) ? dateLen : 0, (0 <= timeLen) ? timeBuffer : NULL, (0 <= timeLen) ? timeLen : 0, &status);
}
static void __substituteFormatStringFromPrefsDF(CFDateFormatterRef formatter, bool doTime) {
CFIndex formatStyle = doTime ? formatter->_timeStyle : formatter->_dateStyle;
CFStringRef pref = doTime ? formatter->_property._CustomTimeFormat : formatter->_property._CustomDateFormat;
if (kCFDateFormatterNoStyle != formatStyle) {
if (NULL != pref) {
int32_t icustyle = UDAT_NONE;
switch (formatStyle) {
case kCFDateFormatterShortStyle: icustyle = UDAT_SHORT; break;
case kCFDateFormatterMediumStyle: icustyle = UDAT_MEDIUM; break;
case kCFDateFormatterLongStyle: icustyle = UDAT_LONG; break;
case kCFDateFormatterFullStyle: icustyle = UDAT_FULL; break;
}
CFStringRef localeName = CFLocaleGetIdentifier(formatter->_locale);
char buffer[BUFFER_SIZE];
const char *cstr = CFStringGetCStringPtr(localeName, kCFStringEncodingASCII);
if (NULL == cstr) {
if (CFStringGetCString(localeName, buffer, BUFFER_SIZE, kCFStringEncodingASCII)) cstr = buffer;
}
UErrorCode status = U_ZERO_ERROR;
UDateFormat *df = __cficu_udat_open((UDateFormatStyle)(doTime ? icustyle : UDAT_NONE), (UDateFormatStyle)(doTime ? UDAT_NONE : icustyle), cstr, NULL, 0, NULL, 0, &status);
if (NULL != df) {
UChar ubuffer[BUFFER_SIZE];
status = U_ZERO_ERROR;
int32_t date_len = __cficu_udat_toPattern(df, false, ubuffer, BUFFER_SIZE, &status);
if (U_SUCCESS(status) && date_len <= BUFFER_SIZE) {
CFStringRef dateString = CFStringCreateWithCharacters(kCFAllocatorSystemDefault, (UniChar *)ubuffer, date_len);
status = U_ZERO_ERROR;
int32_t formatter_len = __cficu_udat_toPattern(formatter->_df, false, ubuffer, BUFFER_SIZE, &status);
if (U_SUCCESS(status) && formatter_len <= BUFFER_SIZE) {
CFMutableStringRef formatString = CFStringCreateMutable(kCFAllocatorSystemDefault, 0);
CFStringAppendCharacters(formatString, (UniChar *)ubuffer, formatter_len);
// find dateString inside formatString, substitute the pref in that range
CFRange result;
if (CFStringFindWithOptions(formatString, dateString, CFRangeMake(0, formatter_len), 0, &result)) {
CFStringReplace(formatString, result, pref);
int32_t new_len = CFStringGetLength(formatString);
STACK_BUFFER_DECL(UChar, new_buffer, new_len);
const UChar *new_ustr = (UChar *)CFStringGetCharactersPtr(formatString);
if (NULL == new_ustr) {
CFStringGetCharacters(formatString, CFRangeMake(0, new_len), (UniChar *)new_buffer);
new_ustr = new_buffer;
}
status = U_ZERO_ERROR;
// __cficu_udat_applyPattern(formatter->_df, false, new_ustr, new_len, &status);
__cficu_udat_applyPattern(formatter->_df, false, new_ustr, new_len);
}
CFRelease(formatString);
}
CFRelease(dateString);
}
__cficu_udat_close(df);
}
}
}
}
static void __CFDateFormatterStoreSymbolPrefs(const void *key, const void *value, void *context) {
if (CFGetTypeID(key) == CFStringGetTypeID() && CFGetTypeID(value) == CFArrayGetTypeID()) {
CFDateFormatterRef formatter = (CFDateFormatterRef)context;
UDateFormatSymbolType sym = (UDateFormatSymbolType)CFStringGetIntValue((CFStringRef)key);
CFArrayRef array = (CFArrayRef)value;
CFIndex idx, cnt = CFArrayGetCount(array);
switch (sym) {