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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*****************************************************************************************
* Copyright (C) 2010-2011, International Business Machines
* Corporation and others. All Rights Reserved.
*****************************************************************************************
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "unicode/udateintervalformat.h"
#include "unicode/dtitvfmt.h"
#include "unicode/dtintrv.h"
#include "unicode/localpointer.h"
#include "unicode/timezone.h"
#include "unicode/locid.h"
#include "unicode/unistr.h"
U_NAMESPACE_USE
U_CAPI UDateIntervalFormat* U_EXPORT2
udtitvfmt_open(const char* locale,
const UChar* skeleton,
int32_t skeletonLength,
const UChar* tzID,
int32_t tzIDLength,
UErrorCode* status)
{
if (U_FAILURE(*status)) {
return NULL;
}
if ((skeleton == NULL ? skeletonLength != 0 : skeletonLength < -1) ||
(tzID == NULL ? tzIDLength != 0 : tzIDLength < -1)
) {
*status = U_ILLEGAL_ARGUMENT_ERROR;
return NULL;
}
UnicodeString skel((UBool)(skeletonLength == -1), skeleton, skeletonLength);
LocalPointer<DateIntervalFormat> formatter(
DateIntervalFormat::createInstance(skel, Locale(locale), *status));
if (U_FAILURE(*status)) {
return NULL;
}
if(tzID != 0) {
TimeZone *zone = TimeZone::createTimeZone(UnicodeString((UBool)(tzIDLength == -1), tzID, tzIDLength));
if(zone == NULL) {
*status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
formatter->adoptTimeZone(zone);
}
return (UDateIntervalFormat*)formatter.orphan();
}
U_CAPI void U_EXPORT2
udtitvfmt_close(UDateIntervalFormat *formatter)
{
delete (DateIntervalFormat*)formatter;
}
U_CAPI int32_t U_EXPORT2
udtitvfmt_format(const UDateIntervalFormat* formatter,
UDate fromDate,
UDate toDate,
UChar* result,
int32_t resultCapacity,
UFieldPosition* position,
UErrorCode* status)
{
if (U_FAILURE(*status)) {
return -1;
}
if (result == NULL ? resultCapacity != 0 : resultCapacity < 0) {
*status = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
UnicodeString res;
if (result != NULL) {
// NULL destination for pure preflighting: empty dummy string
// otherwise, alias the destination buffer (copied from udat_format)
res.setTo(result, 0, resultCapacity);
}
FieldPosition fp;
if (position != 0) {
fp.setField(position->field);
}
DateInterval interval = DateInterval(fromDate,toDate);
((const DateIntervalFormat*)formatter)->format( &interval, res, fp, *status );
if (U_FAILURE(*status)) {
return -1;
}
if (position != 0) {
position->beginIndex = fp.getBeginIndex();
position->endIndex = fp.getEndIndex();
}
return res.extract(result, resultCapacity, *status);
}
#endif /* #if !UCONFIG_NO_FORMATTING */
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