+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
/*
-*******************************************************************************
-* Copyright (C) 1997-2006, International Business Machines Corporation and *
-* others. All Rights Reserved. *
-*******************************************************************************
-*
-* File DATEFMT.CPP
-*
-* Modification History:
-*
-* Date Name Description
-* 02/19/97 aliu Converted from java.
-* 03/31/97 aliu Modified extensively to work with 50 locales.
-* 04/01/97 aliu Added support for centuries.
-* 08/12/97 aliu Fixed operator== to use Calendar::equivalentTo.
-* 07/20/98 stephen Changed ParsePosition initialization
-********************************************************************************
-*/
+ *******************************************************************************
+ * Copyright (C) 1997-2015, International Business Machines Corporation and *
+ * others. All Rights Reserved. *
+ *******************************************************************************
+ *
+ * File DATEFMT.CPP
+ *
+ * Modification History:
+ *
+ * Date Name Description
+ * 02/19/97 aliu Converted from java.
+ * 03/31/97 aliu Modified extensively to work with 50 locales.
+ * 04/01/97 aliu Added support for centuries.
+ * 08/12/97 aliu Fixed operator== to use Calendar::equivalentTo.
+ * 07/20/98 stephen Changed ParsePosition initialization
+ ********************************************************************************
+ */
#include "unicode/utypes.h"
#include "unicode/ures.h"
#include "unicode/datefmt.h"
#include "unicode/smpdtfmt.h"
+#include "unicode/dtptngen.h"
+#include "unicode/udisplaycontext.h"
+#include "reldtfmt.h"
+#include "sharedobject.h"
+#include "unifiedcache.h"
+#include "uarrsort.h"
#include "cstring.h"
#include "windtfmt.h"
U_NAMESPACE_BEGIN
+class U_I18N_API DateFmtBestPattern : public SharedObject {
+public:
+ UnicodeString fPattern;
+
+ DateFmtBestPattern(const UnicodeString &pattern)
+ : fPattern(pattern) { }
+ ~DateFmtBestPattern();
+};
+
+DateFmtBestPattern::~DateFmtBestPattern() {
+}
+
+template<> U_I18N_API
+const DateFmtBestPattern *LocaleCacheKey<DateFmtBestPattern>::createObject(
+ const void * /*creationContext*/, UErrorCode &status) const {
+ status = U_UNSUPPORTED_ERROR;
+ return NULL;
+}
+
+class U_I18N_API DateFmtBestPatternKey : public LocaleCacheKey<DateFmtBestPattern> {
+private:
+ UnicodeString fSkeleton;
+public:
+ DateFmtBestPatternKey(
+ const Locale &loc,
+ const UnicodeString &skeleton,
+ UErrorCode &status)
+ : LocaleCacheKey<DateFmtBestPattern>(loc),
+ fSkeleton(DateTimePatternGenerator::staticGetSkeleton(skeleton, status)) { }
+ DateFmtBestPatternKey(const DateFmtBestPatternKey &other) :
+ LocaleCacheKey<DateFmtBestPattern>(other),
+ fSkeleton(other.fSkeleton) { }
+ virtual ~DateFmtBestPatternKey();
+ virtual int32_t hashCode() const {
+ return (int32_t)(37u * (uint32_t)LocaleCacheKey<DateFmtBestPattern>::hashCode() + (uint32_t)fSkeleton.hashCode());
+ }
+ virtual UBool operator==(const CacheKeyBase &other) const {
+ // reflexive
+ if (this == &other) {
+ return TRUE;
+ }
+ if (!LocaleCacheKey<DateFmtBestPattern>::operator==(other)) {
+ return FALSE;
+ }
+ // We know that this and other are of same class if we get this far.
+ const DateFmtBestPatternKey &realOther =
+ static_cast<const DateFmtBestPatternKey &>(other);
+ return (realOther.fSkeleton == fSkeleton);
+ }
+ virtual CacheKeyBase *clone() const {
+ return new DateFmtBestPatternKey(*this);
+ }
+ virtual const DateFmtBestPattern *createObject(
+ const void * /*unused*/, UErrorCode &status) const {
+ LocalPointer<DateTimePatternGenerator> dtpg(
+ DateTimePatternGenerator::createInstance(fLoc, status));
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+
+ LocalPointer<DateFmtBestPattern> pattern(
+ new DateFmtBestPattern(
+ dtpg->getBestPattern(fSkeleton, status)),
+ status);
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+ DateFmtBestPattern *result = pattern.orphan();
+ result->addRef();
+ return result;
+ }
+};
+
+DateFmtBestPatternKey::~DateFmtBestPatternKey() { }
+
+
DateFormat::DateFormat()
: fCalendar(0),
- fNumberFormat(0)
+ fNumberFormat(0),
+ fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
{
}
DateFormat::DateFormat(const DateFormat& other)
: Format(other),
fCalendar(0),
- fNumberFormat(0)
+ fNumberFormat(0),
+ fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
{
*this = other;
}
} else {
fNumberFormat = NULL;
}
+ fBoolFlags = other.fBoolFlags;
+ fCapitalizationContext = other.fCapitalizationContext;
}
return *this;
}
return (this == fmt) ||
(Format::operator==(other) &&
fCalendar&&(fCalendar->isEquivalentTo(*fmt->fCalendar)) &&
- (fNumberFormat && *fNumberFormat == *fmt->fNumberFormat));
+ (fNumberFormat && *fNumberFormat == *fmt->fNumberFormat) &&
+ (fCapitalizationContext == fmt->fCapitalizationContext) );
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
+UnicodeString&
+DateFormat::format(const Formattable& obj,
+ UnicodeString& appendTo,
+ FieldPositionIterator* posIter,
+ UErrorCode& status) const
+{
+ if (U_FAILURE(status)) return appendTo;
+
+ // if the type of the Formattable is double or long, treat it as if it were a Date
+ UDate date = 0;
+ switch (obj.getType())
+ {
+ case Formattable::kDate:
+ date = obj.getDate();
+ break;
+ case Formattable::kDouble:
+ date = (UDate)obj.getDouble();
+ break;
+ case Formattable::kLong:
+ date = (UDate)obj.getLong();
+ break;
+ default:
+ status = U_ILLEGAL_ARGUMENT_ERROR;
+ return appendTo;
+ }
+
+ // Is this right?
+ //if (fieldPosition.getBeginIndex() == fieldPosition.getEndIndex())
+ // status = U_ILLEGAL_ARGUMENT_ERROR;
+
+ return format(date, appendTo, posIter, status);
+}
+
+//----------------------------------------------------------------------
+
+// Default implementation for backwards compatibility, subclasses should implement.
+UnicodeString&
+DateFormat::format(Calendar& /* unused cal */,
+ UnicodeString& appendTo,
+ FieldPositionIterator* /* unused posIter */,
+ UErrorCode& status) const {
+ if (U_SUCCESS(status)) {
+ status = U_UNSUPPORTED_ERROR;
+ }
+ return appendTo;
+}
+
+//----------------------------------------------------------------------
+
UnicodeString&
DateFormat::format(UDate date, UnicodeString& appendTo, FieldPosition& fieldPosition) const {
if (fCalendar != NULL) {
- // Use our calendar instance
- UErrorCode ec = U_ZERO_ERROR;
- fCalendar->setTime(date, ec);
- if (U_SUCCESS(ec)) {
- return format(*fCalendar, appendTo, fieldPosition);
+ // Use a clone of our calendar instance
+ Calendar* calClone = fCalendar->clone();
+ if (calClone != NULL) {
+ UErrorCode ec = U_ZERO_ERROR;
+ calClone->setTime(date, ec);
+ if (U_SUCCESS(ec)) {
+ format(*calClone, appendTo, fieldPosition);
+ }
+ delete calClone;
+ }
+ }
+ return appendTo;
+}
+
+//----------------------------------------------------------------------
+
+UnicodeString&
+DateFormat::format(UDate date, UnicodeString& appendTo, FieldPositionIterator* posIter,
+ UErrorCode& status) const {
+ if (fCalendar != NULL) {
+ Calendar* calClone = fCalendar->clone();
+ if (calClone != NULL) {
+ calClone->setTime(date, status);
+ if (U_SUCCESS(status)) {
+ format(*calClone, appendTo, posIter, status);
+ }
+ delete calClone;
}
}
return appendTo;
{
// Note that any error information is just lost. That's okay
// for this convenience method.
- FieldPosition fpos(0);
+ FieldPosition fpos(FieldPosition::DONT_CARE);
return format(date, appendTo, fpos);
}
DateFormat::parse(const UnicodeString& text,
ParsePosition& pos) const
{
+ UDate d = 0; // Error return UDate is 0 (the epoch)
if (fCalendar != NULL) {
- int32_t start = pos.getIndex();
- fCalendar->clear();
- parse(text, *fCalendar, pos);
- if (pos.getIndex() != start) {
- UErrorCode ec = U_ZERO_ERROR;
- UDate d = fCalendar->getTime(ec);
- if (U_SUCCESS(ec)) {
- return d; // Successful function exit
+ Calendar* calClone = fCalendar->clone();
+ if (calClone != NULL) {
+ int32_t start = pos.getIndex();
+ calClone->clear();
+ parse(text, *calClone, pos);
+ if (pos.getIndex() != start) {
+ UErrorCode ec = U_ZERO_ERROR;
+ d = calClone->getTime(ec);
+ if (U_FAILURE(ec)) {
+ // We arrive here if fCalendar => calClone is non-lenient and
+ // there is an out-of-range field. We don't know which field
+ // was illegal so we set the error index to the start.
+ pos.setIndex(start);
+ pos.setErrorIndex(start);
+ d = 0;
+ }
}
- // We arrive here if fCalendar is non-lenient and there
- // is an out-of-range field. We don't know which field
- // was illegal so we set the error index to the start.
- pos.setIndex(start);
- pos.setErrorIndex(start);
+ delete calClone;
}
}
- return 0; // Error return UDate is 0 (the epoch)
+ return d;
}
//----------------------------------------------------------------------
DateFormat::createTimeInstance(DateFormat::EStyle style,
const Locale& aLocale)
{
- return create(style, kNone, aLocale);
+ return createDateTimeInstance(kNone, style, aLocale);
}
//----------------------------------------------------------------------
DateFormat::createDateInstance(DateFormat::EStyle style,
const Locale& aLocale)
{
- // +4 to set the correct index for getting data out of
- // LocaleElements.
- if(style != kNone)
- {
- style = (EStyle) (style + kDateOffset);
- }
- return create(kNone, (EStyle) (style), aLocale);
+ return createDateTimeInstance(style, kNone, aLocale);
}
//----------------------------------------------------------------------
EStyle timeStyle,
const Locale& aLocale)
{
- if(dateStyle != kNone)
- {
- dateStyle = (EStyle) (dateStyle + kDateOffset);
- }
- return create(timeStyle, dateStyle, aLocale);
+ if(dateStyle != kNone)
+ {
+ dateStyle = (EStyle) (dateStyle + kDateOffset);
+ }
+ return create(timeStyle, dateStyle, aLocale);
}
//----------------------------------------------------------------------
DateFormat* U_EXPORT2
DateFormat::createInstance()
{
- return create(kShort, (EStyle) (kShort + kDateOffset), Locale::getDefault());
+ return createDateTimeInstance(kShort, kShort, Locale::getDefault());
+}
+
+//----------------------------------------------------------------------
+
+UnicodeString U_EXPORT2
+DateFormat::getBestPattern(
+ const Locale &locale,
+ const UnicodeString &skeleton,
+ UErrorCode &status) {
+ UnifiedCache *cache = UnifiedCache::getInstance(status);
+ if (U_FAILURE(status)) {
+ return UnicodeString();
+ }
+ DateFmtBestPatternKey key(locale, skeleton, status);
+ const DateFmtBestPattern *patternPtr = NULL;
+ cache->get(key, patternPtr, status);
+ if (U_FAILURE(status)) {
+ return UnicodeString();
+ }
+ UnicodeString result(patternPtr->fPattern);
+ patternPtr->removeRef();
+ return result;
+}
+
+DateFormat* U_EXPORT2
+DateFormat::createInstanceForSkeleton(
+ Calendar *calendarToAdopt,
+ const UnicodeString& skeleton,
+ const Locale &locale,
+ UErrorCode &status) {
+ LocalPointer<Calendar> calendar(calendarToAdopt);
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+ if (calendar.isNull()) {
+ status = U_ILLEGAL_ARGUMENT_ERROR;
+ return NULL;
+ }
+ Locale localeWithCalendar = locale;
+ localeWithCalendar.setKeywordValue("calendar", calendar->getType(), status);
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+ DateFormat *result = createInstanceForSkeleton(skeleton, localeWithCalendar, status);
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+ result->adoptCalendar(calendar.orphan());
+ return result;
+}
+
+DateFormat* U_EXPORT2
+DateFormat::createInstanceForSkeleton(
+ const UnicodeString& skeleton,
+ const Locale &locale,
+ UErrorCode &status) {
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+ LocalPointer<DateFormat> df(
+ new SimpleDateFormat(
+ getBestPattern(locale, skeleton, status),
+ locale, status),
+ status);
+ return U_SUCCESS(status) ? df.orphan() : NULL;
+}
+
+DateFormat* U_EXPORT2
+DateFormat::createInstanceForSkeleton(
+ const UnicodeString& skeleton,
+ UErrorCode &status) {
+ return createInstanceForSkeleton(
+ skeleton, Locale::getDefault(), status);
}
//----------------------------------------------------------------------
DateFormat::create(EStyle timeStyle, EStyle dateStyle, const Locale& locale)
{
UErrorCode status = U_ZERO_ERROR;
-#ifdef U_WINDOWS
+#if U_PLATFORM_USES_ONLY_WIN32_API
char buffer[8];
int32_t count = locale.getKeywordValue("compat", buffer, sizeof(buffer), status);
}
#endif
+ // is it relative?
+ if(/*((timeStyle!=UDAT_NONE)&&(timeStyle & UDAT_RELATIVE)) || */((dateStyle!=kNone)&&((dateStyle-kDateOffset) & UDAT_RELATIVE))) {
+ RelativeDateFormat *r = new RelativeDateFormat((UDateFormatStyle)timeStyle, (UDateFormatStyle)(dateStyle-kDateOffset), locale, status);
+ if(U_SUCCESS(status)) return r;
+ delete r;
+ status = U_ZERO_ERROR;
+ }
// Try to create a SimpleDateFormat of the desired style.
SimpleDateFormat *f = new SimpleDateFormat(timeStyle, dateStyle, locale, status);
void
DateFormat::setCalendar(const Calendar& newCalendar)
{
- adoptCalendar(newCalendar.clone());
+ if (fCalendar && fCalendar->isEquivalentTo( newCalendar ))
+ return;
+ Calendar* newCalClone = newCalendar.clone();
+ if (newCalClone != NULL) {
+ adoptCalendar(newCalClone);
+ }
}
//----------------------------------------------------------------------
delete fNumberFormat;
fNumberFormat = newNumberFormat;
newNumberFormat->setParseIntegerOnly(TRUE);
+ newNumberFormat->setGroupingUsed(FALSE);
}
//----------------------------------------------------------------------
void
DateFormat::setNumberFormat(const NumberFormat& newNumberFormat)
{
- adoptNumberFormat((NumberFormat*)newNumberFormat.clone());
+ NumberFormat* newNumFmtClone = (NumberFormat*)newNumberFormat.clone();
+ if (newNumFmtClone != NULL) {
+ adoptNumberFormat(newNumFmtClone);
+ }
}
//----------------------------------------------------------------------
void
DateFormat::adoptTimeZone(TimeZone* zone)
{
- fCalendar->adoptTimeZone(zone);
+ if (fCalendar != NULL) {
+ fCalendar->adoptTimeZone(zone);
+ }
}
//----------------------------------------------------------------------
void
DateFormat::setTimeZone(const TimeZone& zone)
{
- fCalendar->setTimeZone(zone);
+ if (fCalendar != NULL) {
+ fCalendar->setTimeZone(zone);
+ }
}
//----------------------------------------------------------------------
const TimeZone&
DateFormat::getTimeZone() const
{
- return fCalendar->getTimeZone();
+ if (fCalendar != NULL) {
+ return fCalendar->getTimeZone();
+ }
+ // If calendar doesn't exists, create default timezone.
+ // fCalendar is rarely null
+ return *(TimeZone::createDefault());
}
//----------------------------------------------------------------------
void
DateFormat::setLenient(UBool lenient)
{
- fCalendar->setLenient(lenient);
+ if (fCalendar != NULL) {
+ fCalendar->setLenient(lenient);
+ }
+ UErrorCode status = U_ZERO_ERROR;
+ setBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, lenient, status);
+ setBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, lenient, status);
}
//----------------------------------------------------------------------
UBool
DateFormat::isLenient() const
{
- return fCalendar->isLenient();
+ UBool lenient = TRUE;
+ if (fCalendar != NULL) {
+ lenient = fCalendar->isLenient();
+ }
+ UErrorCode status = U_ZERO_ERROR;
+ return lenient
+ && getBooleanAttribute(UDAT_PARSE_ALLOW_WHITESPACE, status)
+ && getBooleanAttribute(UDAT_PARSE_ALLOW_NUMERIC, status);
+}
+
+void
+DateFormat::setCalendarLenient(UBool lenient)
+{
+ if (fCalendar != NULL) {
+ fCalendar->setLenient(lenient);
+ }
+}
+
+//----------------------------------------------------------------------
+
+UBool
+DateFormat::isCalendarLenient() const
+{
+ if (fCalendar != NULL) {
+ return fCalendar->isLenient();
+ }
+ // fCalendar is rarely null
+ return FALSE;
+}
+
+
+//----------------------------------------------------------------------
+
+
+void DateFormat::setContext(UDisplayContext value, UErrorCode& status)
+{
+ if (U_FAILURE(status))
+ return;
+ if ( (UDisplayContextType)((uint32_t)value >> 8) == UDISPCTX_TYPE_CAPITALIZATION ) {
+ fCapitalizationContext = value;
+ } else {
+ status = U_ILLEGAL_ARGUMENT_ERROR;
+ }
+}
+
+
+//----------------------------------------------------------------------
+
+
+UDisplayContext DateFormat::getContext(UDisplayContextType type, UErrorCode& status) const
+{
+ if (U_FAILURE(status))
+ return (UDisplayContext)0;
+ if (type != UDISPCTX_TYPE_CAPITALIZATION) {
+ status = U_ILLEGAL_ARGUMENT_ERROR;
+ return (UDisplayContext)0;
+ }
+ return fCapitalizationContext;
+}
+
+
+//----------------------------------------------------------------------
+
+
+DateFormat&
+DateFormat::setBooleanAttribute(UDateFormatBooleanAttribute attr,
+ UBool newValue,
+ UErrorCode &status) {
+ if(!fBoolFlags.isValidValue(newValue)) {
+ status = U_ILLEGAL_ARGUMENT_ERROR;
+ } else {
+ fBoolFlags.set(attr, newValue);
+ }
+
+ return *this;
+}
+
+//----------------------------------------------------------------------
+
+UBool
+DateFormat::getBooleanAttribute(UDateFormatBooleanAttribute attr, UErrorCode &/*status*/) const {
+
+ return static_cast<UBool>(fBoolFlags.get(attr));
}
U_NAMESPACE_END
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