本文整理汇总了C++中TimeZoneTransition::getTo方法的典型用法代码示例。如果您正苦于以下问题:C++ TimeZoneTransition::getTo方法的具体用法?C++ TimeZoneTransition::getTo怎么用?C++ TimeZoneTransition::getTo使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TimeZoneTransition
的用法示例。
在下文中一共展示了TimeZoneTransition::getTo方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: getNextTransition
void
BasicTimeZone::getSimpleRulesNear(UDate date, InitialTimeZoneRule*& initial,
AnnualTimeZoneRule*& std, AnnualTimeZoneRule*& dst, UErrorCode& status) /*const*/ {
initial = NULL;
std = NULL;
dst = NULL;
if (U_FAILURE(status)) {
return;
}
int32_t initialRaw, initialDst;
UnicodeString initialName;
AnnualTimeZoneRule *ar1 = NULL;
AnnualTimeZoneRule *ar2 = NULL;
UnicodeString name;
UBool avail;
TimeZoneTransition tr;
// Get the next transition
avail = getNextTransition(date, FALSE, tr);
if (avail) {
tr.getFrom()->getName(initialName);
initialRaw = tr.getFrom()->getRawOffset();
initialDst = tr.getFrom()->getDSTSavings();
// Check if the next transition is either DST->STD or STD->DST and
// within roughly 1 year from the specified date
UDate nextTransitionTime = tr.getTime();
if (((tr.getFrom()->getDSTSavings() == 0 && tr.getTo()->getDSTSavings() != 0)
|| (tr.getFrom()->getDSTSavings() != 0 && tr.getTo()->getDSTSavings() == 0))
&& (date + MILLIS_PER_YEAR > nextTransitionTime)) {
int32_t year, month, dom, dow, doy, mid;
UDate d;
// Get local wall time for the next transition time
Grego::timeToFields(nextTransitionTime + initialRaw + initialDst,
year, month, dom, dow, doy, mid);
int32_t weekInMonth = Grego::dayOfWeekInMonth(year, month, dom);
// Create DOW rule
DateTimeRule *dtr = new DateTimeRule(month, weekInMonth, dow, mid, DateTimeRule::WALL_TIME);
tr.getTo()->getName(name);
// Note: SimpleTimeZone does not support raw offset change.
// So we always use raw offset of the given time for the rule,
// even raw offset is changed. This will result that the result
// zone to return wrong offset after the transition.
// When we encounter such case, we do not inspect next next
// transition for another rule.
ar1 = new AnnualTimeZoneRule(name, initialRaw, tr.getTo()->getDSTSavings(),
dtr, year, AnnualTimeZoneRule::MAX_YEAR);
if (tr.getTo()->getRawOffset() == initialRaw) {
// Get the next next transition
avail = getNextTransition(nextTransitionTime, FALSE, tr);
if (avail) {
// Check if the next next transition is either DST->STD or STD->DST
// and within roughly 1 year from the next transition
if (((tr.getFrom()->getDSTSavings() == 0 && tr.getTo()->getDSTSavings() != 0)
|| (tr.getFrom()->getDSTSavings() != 0 && tr.getTo()->getDSTSavings() == 0))
&& nextTransitionTime + MILLIS_PER_YEAR > tr.getTime()) {
// Get local wall time for the next transition time
Grego::timeToFields(tr.getTime() + tr.getFrom()->getRawOffset() + tr.getFrom()->getDSTSavings(),
year, month, dom, dow, doy, mid);
weekInMonth = Grego::dayOfWeekInMonth(year, month, dom);
// Generate another DOW rule
dtr = new DateTimeRule(month, weekInMonth, dow, mid, DateTimeRule::WALL_TIME);
tr.getTo()->getName(name);
ar2 = new AnnualTimeZoneRule(name, tr.getTo()->getRawOffset(), tr.getTo()->getDSTSavings(),
dtr, year - 1, AnnualTimeZoneRule::MAX_YEAR);
// Make sure this rule can be applied to the specified date
avail = ar2->getPreviousStart(date, tr.getFrom()->getRawOffset(), tr.getFrom()->getDSTSavings(), TRUE, d);
if (!avail || d > date
|| initialRaw != tr.getTo()->getRawOffset()
|| initialDst != tr.getTo()->getDSTSavings()) {
// We cannot use this rule as the second transition rule
delete ar2;
ar2 = NULL;
}
}
}
}
if (ar2 == NULL) {
// Try previous transition
avail = getPreviousTransition(date, TRUE, tr);
if (avail) {
// Check if the previous transition is either DST->STD or STD->DST.
// The actual transition time does not matter here.
if ((tr.getFrom()->getDSTSavings() == 0 && tr.getTo()->getDSTSavings() != 0)
|| (tr.getFrom()->getDSTSavings() != 0 && tr.getTo()->getDSTSavings() == 0)) {
// Generate another DOW rule
Grego::timeToFields(tr.getTime() + tr.getFrom()->getRawOffset() + tr.getFrom()->getDSTSavings(),
year, month, dom, dow, doy, mid);
weekInMonth = Grego::dayOfWeekInMonth(year, month, dom);
dtr = new DateTimeRule(month, weekInMonth, dow, mid, DateTimeRule::WALL_TIME);
tr.getTo()->getName(name);
//.........这里部分代码省略.........
示例2: countTransitionRules
void
BasicTimeZone::getTimeZoneRulesAfter(UDate start, InitialTimeZoneRule*& initial,
UVector*& transitionRules, UErrorCode& status) /*const*/ {
if (U_FAILURE(status)) {
return;
}
const InitialTimeZoneRule *orgini;
const TimeZoneRule **orgtrs = NULL;
TimeZoneTransition tzt;
UBool avail;
UVector *orgRules = NULL;
int32_t ruleCount;
TimeZoneRule *r = NULL;
UBool *done = NULL;
InitialTimeZoneRule *res_initial = NULL;
UVector *filteredRules = NULL;
UnicodeString name;
int32_t i;
UDate time, t;
UDate *newTimes = NULL;
UDate firstStart;
UBool bFinalStd = FALSE, bFinalDst = FALSE;
// Original transition rules
ruleCount = countTransitionRules(status);
if (U_FAILURE(status)) {
return;
}
orgRules = new UVector(ruleCount, status);
if (U_FAILURE(status)) {
return;
}
orgtrs = (const TimeZoneRule**)uprv_malloc(sizeof(TimeZoneRule*)*ruleCount);
if (orgtrs == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
goto error;
}
getTimeZoneRules(orgini, orgtrs, ruleCount, status);
if (U_FAILURE(status)) {
goto error;
}
for (i = 0; i < ruleCount; i++) {
orgRules->addElement(orgtrs[i]->clone(), status);
if (U_FAILURE(status)) {
goto error;
}
}
uprv_free(orgtrs);
orgtrs = NULL;
avail = getPreviousTransition(start, TRUE, tzt);
if (!avail) {
// No need to filter out rules only applicable to time before the start
initial = orgini->clone();
transitionRules = orgRules;
return;
}
done = (UBool*)uprv_malloc(sizeof(UBool)*ruleCount);
if (done == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
goto error;
}
filteredRules = new UVector(status);
if (U_FAILURE(status)) {
goto error;
}
// Create initial rule
tzt.getTo()->getName(name);
res_initial = new InitialTimeZoneRule(name, tzt.getTo()->getRawOffset(),
tzt.getTo()->getDSTSavings());
// Mark rules which does not need to be processed
for (i = 0; i < ruleCount; i++) {
r = (TimeZoneRule*)orgRules->elementAt(i);
avail = r->getNextStart(start, res_initial->getRawOffset(), res_initial->getDSTSavings(), FALSE, time);
done[i] = !avail;
}
time = start;
while (!bFinalStd || !bFinalDst) {
avail = getNextTransition(time, FALSE, tzt);
if (!avail) {
break;
}
UDate updatedTime = tzt.getTime();
if (updatedTime == time) {
// Can get here if rules for start & end of daylight time have exactly
// the same time.
// TODO: fix getNextTransition() to prevent it?
status = U_INVALID_STATE_ERROR;
goto error;
}
time = updatedTime;
const TimeZoneRule *toRule = tzt.getTo();
for (i = 0; i < ruleCount; i++) {
r = (TimeZoneRule*)orgRules->elementAt(i);
//.........这里部分代码省略.........
示例3: tzID
UnicodeString&
TZGNCore::formatGenericNonLocationName(const TimeZone& tz, UTimeZoneGenericNameType type, UDate date, UnicodeString& name) const {
U_ASSERT(type == UTZGNM_LONG || type == UTZGNM_SHORT);
name.setToBogus();
const UChar* uID = ZoneMeta::getCanonicalCLDRID(tz);
if (uID == NULL) {
return name;
}
UnicodeString tzID(TRUE, uID, -1);
// Try to get a name from time zone first
UTimeZoneNameType nameType = (type == UTZGNM_LONG) ? UTZNM_LONG_GENERIC : UTZNM_SHORT_GENERIC;
fTimeZoneNames->getTimeZoneDisplayName(tzID, nameType, name);
if (!name.isEmpty()) {
return name;
}
// Try meta zone
UChar mzIDBuf[32];
UnicodeString mzID(mzIDBuf, 0, UPRV_LENGTHOF(mzIDBuf));
fTimeZoneNames->getMetaZoneID(tzID, date, mzID);
if (!mzID.isEmpty()) {
UErrorCode status = U_ZERO_ERROR;
UBool useStandard = FALSE;
int32_t raw, sav;
UChar tmpNameBuf[64];
tz.getOffset(date, FALSE, raw, sav, status);
if (U_FAILURE(status)) {
return name;
}
if (sav == 0) {
useStandard = TRUE;
TimeZone *tmptz = tz.clone();
// Check if the zone actually uses daylight saving time around the time
BasicTimeZone *btz = NULL;
if (dynamic_cast<OlsonTimeZone *>(tmptz) != NULL
|| dynamic_cast<SimpleTimeZone *>(tmptz) != NULL
|| dynamic_cast<RuleBasedTimeZone *>(tmptz) != NULL
|| dynamic_cast<VTimeZone *>(tmptz) != NULL) {
btz = (BasicTimeZone*)tmptz;
}
if (btz != NULL) {
TimeZoneTransition before;
UBool beforTrs = btz->getPreviousTransition(date, TRUE, before);
if (beforTrs
&& (date - before.getTime() < kDstCheckRange)
&& before.getFrom()->getDSTSavings() != 0) {
useStandard = FALSE;
} else {
TimeZoneTransition after;
UBool afterTrs = btz->getNextTransition(date, FALSE, after);
if (afterTrs
&& (after.getTime() - date < kDstCheckRange)
&& after.getTo()->getDSTSavings() != 0) {
useStandard = FALSE;
}
}
} else {
// If not BasicTimeZone... only if the instance is not an ICU's implementation.
// We may get a wrong answer in edge case, but it should practically work OK.
tmptz->getOffset(date - kDstCheckRange, FALSE, raw, sav, status);
if (sav != 0) {
useStandard = FALSE;
} else {
tmptz->getOffset(date + kDstCheckRange, FALSE, raw, sav, status);
if (sav != 0){
useStandard = FALSE;
}
}
if (U_FAILURE(status)) {
delete tmptz;
return name;
}
}
delete tmptz;
}
if (useStandard) {
UTimeZoneNameType stdNameType = (nameType == UTZNM_LONG_GENERIC)
? UTZNM_LONG_STANDARD : UTZNM_SHORT_STANDARD;
UnicodeString stdName(tmpNameBuf, 0, UPRV_LENGTHOF(tmpNameBuf));
fTimeZoneNames->getDisplayName(tzID, stdNameType, date, stdName);
if (!stdName.isEmpty()) {
name.setTo(stdName);
// TODO: revisit this issue later
// In CLDR, a same display name is used for both generic and standard
// for some meta zones in some locales. This looks like a data bugs.
// For now, we check if the standard name is different from its generic
// name below.
UChar genNameBuf[64];
UnicodeString mzGenericName(genNameBuf, 0, UPRV_LENGTHOF(genNameBuf));
fTimeZoneNames->getMetaZoneDisplayName(mzID, nameType, mzGenericName);
if (stdName.caseCompare(mzGenericName, 0) == 0) {
//.........这里部分代码省略.........