/*
-*******************************************************************************
-* 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) 1997-2010, 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 "reldtfmt.h"
#include "cstring.h"
#include "windtfmt.h"
//----------------------------------------------------------------------
+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) {
//----------------------------------------------------------------------
+UnicodeString&
+DateFormat::format(UDate date, UnicodeString& appendTo, FieldPositionIterator* posIter,
+ UErrorCode& status) const {
+ if (fCalendar != NULL) {
+ fCalendar->setTime(date, status);
+ if (U_SUCCESS(status)) {
+ return format(*fCalendar, appendTo, posIter, status);
+ }
+ }
+ return appendTo;
+}
+
+//----------------------------------------------------------------------
+
UnicodeString&
DateFormat::format(UDate date, UnicodeString& appendTo) const
{
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();
+
+ // Parse may update TimeZone used by the calendar.
+ TimeZone *tzsav = (TimeZone*)fCalendar->getTimeZone().clone();
+
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
+ d = fCalendar->getTime(ec);
+ if (U_FAILURE(ec)) {
+ // 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);
+ 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);
}
+
+ // Restore TimeZone
+ fCalendar->adoptTimeZone(tzsav);
}
- return 0; // Error return UDate is 0 (the epoch)
+ return d;
}
//----------------------------------------------------------------------
}
#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());
+ Calendar* newCalClone = newCalendar.clone();
+ if (newCalClone != NULL) {
+ adoptCalendar(newCalClone);
+ }
}
//----------------------------------------------------------------------
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);
+ }
}
//----------------------------------------------------------------------
UBool
DateFormat::isLenient() const
{
- return fCalendar->isLenient();
+ if (fCalendar != NULL) {
+ return fCalendar->isLenient();
+ }
+ // fCalendar is rarely null
+ return FALSE;
}
U_NAMESPACE_END
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