4c2fad3e36
X-SVN-Rev: 39684
596 lines
22 KiB
C++
596 lines
22 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
|
|
// License & terms of use: http://www.unicode.org/copyright.html
|
|
/*
|
|
*******************************************************************************
|
|
* Copyright (C) 2007-2016, International Business Machines Corporation and
|
|
* others. All Rights Reserved.
|
|
*******************************************************************************
|
|
*/
|
|
|
|
#include "unicode/utypes.h"
|
|
|
|
#if !UCONFIG_NO_FORMATTING
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "unicode/datefmt.h"
|
|
#include "unicode/reldatefmt.h"
|
|
#include "unicode/simpleformatter.h"
|
|
#include "unicode/smpdtfmt.h"
|
|
#include "unicode/udisplaycontext.h"
|
|
#include "unicode/uchar.h"
|
|
#include "unicode/brkiter.h"
|
|
#include "unicode/ucasemap.h"
|
|
#include "reldtfmt.h"
|
|
#include "cmemory.h"
|
|
#include "uresimp.h"
|
|
|
|
U_NAMESPACE_BEGIN
|
|
|
|
|
|
/**
|
|
* An array of URelativeString structs is used to store the resource data loaded out of the bundle.
|
|
*/
|
|
struct URelativeString {
|
|
int32_t offset; /** offset of this item, such as, the relative date **/
|
|
int32_t len; /** length of the string **/
|
|
const UChar* string; /** string, or NULL if not set **/
|
|
};
|
|
|
|
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(RelativeDateFormat)
|
|
|
|
RelativeDateFormat::RelativeDateFormat(const RelativeDateFormat& other) :
|
|
DateFormat(other), fDateTimeFormatter(NULL), fDatePattern(other.fDatePattern),
|
|
fTimePattern(other.fTimePattern), fCombinedFormat(NULL),
|
|
fDateStyle(other.fDateStyle), fLocale(other.fLocale),
|
|
fDatesLen(other.fDatesLen), fDates(NULL),
|
|
fCombinedHasDateAtStart(other.fCombinedHasDateAtStart),
|
|
fCapitalizationInfoSet(other.fCapitalizationInfoSet),
|
|
fCapitalizationOfRelativeUnitsForUIListMenu(other.fCapitalizationOfRelativeUnitsForUIListMenu),
|
|
fCapitalizationOfRelativeUnitsForStandAlone(other.fCapitalizationOfRelativeUnitsForStandAlone),
|
|
fCapitalizationBrkIter(NULL)
|
|
{
|
|
if(other.fDateTimeFormatter != NULL) {
|
|
fDateTimeFormatter = (SimpleDateFormat*)other.fDateTimeFormatter->clone();
|
|
}
|
|
if(other.fCombinedFormat != NULL) {
|
|
fCombinedFormat = new SimpleFormatter(*other.fCombinedFormat);
|
|
}
|
|
if (fDatesLen > 0) {
|
|
fDates = (URelativeString*) uprv_malloc(sizeof(fDates[0])*(size_t)fDatesLen);
|
|
uprv_memcpy(fDates, other.fDates, sizeof(fDates[0])*(size_t)fDatesLen);
|
|
}
|
|
#if !UCONFIG_NO_BREAK_ITERATION
|
|
if (other.fCapitalizationBrkIter != NULL) {
|
|
fCapitalizationBrkIter = (other.fCapitalizationBrkIter)->clone();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
RelativeDateFormat::RelativeDateFormat( UDateFormatStyle timeStyle, UDateFormatStyle dateStyle,
|
|
const Locale& locale, UErrorCode& status) :
|
|
DateFormat(), fDateTimeFormatter(NULL), fDatePattern(), fTimePattern(), fCombinedFormat(NULL),
|
|
fDateStyle(dateStyle), fLocale(locale), fDatesLen(0), fDates(NULL),
|
|
fCombinedHasDateAtStart(FALSE), fCapitalizationInfoSet(FALSE),
|
|
fCapitalizationOfRelativeUnitsForUIListMenu(FALSE), fCapitalizationOfRelativeUnitsForStandAlone(FALSE),
|
|
fCapitalizationBrkIter(NULL)
|
|
{
|
|
if(U_FAILURE(status) ) {
|
|
return;
|
|
}
|
|
|
|
if (timeStyle < UDAT_NONE || timeStyle > UDAT_SHORT) {
|
|
// don't support other time styles (e.g. relative styles), for now
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return;
|
|
}
|
|
UDateFormatStyle baseDateStyle = (dateStyle > UDAT_SHORT)? (UDateFormatStyle)(dateStyle & ~UDAT_RELATIVE): dateStyle;
|
|
DateFormat * df;
|
|
// Get fDateTimeFormatter from either date or time style (does not matter, we will override the pattern).
|
|
// We do need to get separate patterns for the date & time styles.
|
|
if (baseDateStyle != UDAT_NONE) {
|
|
df = createDateInstance((EStyle)baseDateStyle, locale);
|
|
fDateTimeFormatter=dynamic_cast<SimpleDateFormat *>(df);
|
|
if (fDateTimeFormatter == NULL) {
|
|
status = U_UNSUPPORTED_ERROR;
|
|
return;
|
|
}
|
|
fDateTimeFormatter->toPattern(fDatePattern);
|
|
if (timeStyle != UDAT_NONE) {
|
|
df = createTimeInstance((EStyle)timeStyle, locale);
|
|
SimpleDateFormat *sdf = dynamic_cast<SimpleDateFormat *>(df);
|
|
if (sdf != NULL) {
|
|
sdf->toPattern(fTimePattern);
|
|
delete sdf;
|
|
}
|
|
}
|
|
} else {
|
|
// does not matter whether timeStyle is UDAT_NONE, we need something for fDateTimeFormatter
|
|
df = createTimeInstance((EStyle)timeStyle, locale);
|
|
fDateTimeFormatter=dynamic_cast<SimpleDateFormat *>(df);
|
|
if (fDateTimeFormatter == NULL) {
|
|
status = U_UNSUPPORTED_ERROR;
|
|
delete df;
|
|
return;
|
|
}
|
|
fDateTimeFormatter->toPattern(fTimePattern);
|
|
}
|
|
|
|
// Initialize the parent fCalendar, so that parse() works correctly.
|
|
initializeCalendar(NULL, locale, status);
|
|
loadDates(status);
|
|
}
|
|
|
|
RelativeDateFormat::~RelativeDateFormat() {
|
|
delete fDateTimeFormatter;
|
|
delete fCombinedFormat;
|
|
uprv_free(fDates);
|
|
#if !UCONFIG_NO_BREAK_ITERATION
|
|
delete fCapitalizationBrkIter;
|
|
#endif
|
|
}
|
|
|
|
|
|
Format* RelativeDateFormat::clone(void) const {
|
|
return new RelativeDateFormat(*this);
|
|
}
|
|
|
|
UBool RelativeDateFormat::operator==(const Format& other) const {
|
|
if(DateFormat::operator==(other)) {
|
|
// The DateFormat::operator== check for fCapitalizationContext equality above
|
|
// is sufficient to check equality of all derived context-related data.
|
|
// DateFormat::operator== guarantees following cast is safe
|
|
RelativeDateFormat* that = (RelativeDateFormat*)&other;
|
|
return (fDateStyle==that->fDateStyle &&
|
|
fDatePattern==that->fDatePattern &&
|
|
fTimePattern==that->fTimePattern &&
|
|
fLocale==that->fLocale );
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static const UChar APOSTROPHE = (UChar)0x0027;
|
|
|
|
UnicodeString& RelativeDateFormat::format( Calendar& cal,
|
|
UnicodeString& appendTo,
|
|
FieldPosition& pos) const {
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UnicodeString relativeDayString;
|
|
UDisplayContext capitalizationContext = getContext(UDISPCTX_TYPE_CAPITALIZATION, status);
|
|
|
|
// calculate the difference, in days, between 'cal' and now.
|
|
int dayDiff = dayDifference(cal, status);
|
|
|
|
// look up string
|
|
int32_t len = 0;
|
|
const UChar *theString = getStringForDay(dayDiff, len, status);
|
|
if(U_SUCCESS(status) && (theString!=NULL)) {
|
|
// found a relative string
|
|
relativeDayString.setTo(theString, len);
|
|
}
|
|
|
|
if ( relativeDayString.length() > 0 && !fDatePattern.isEmpty() &&
|
|
(fTimePattern.isEmpty() || fCombinedFormat == NULL || fCombinedHasDateAtStart)) {
|
|
#if !UCONFIG_NO_BREAK_ITERATION
|
|
// capitalize relativeDayString according to context for relative, set formatter no context
|
|
if ( u_islower(relativeDayString.char32At(0)) && fCapitalizationBrkIter!= NULL &&
|
|
( capitalizationContext==UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE ||
|
|
(capitalizationContext==UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU && fCapitalizationOfRelativeUnitsForUIListMenu) ||
|
|
(capitalizationContext==UDISPCTX_CAPITALIZATION_FOR_STANDALONE && fCapitalizationOfRelativeUnitsForStandAlone) ) ) {
|
|
// titlecase first word of relativeDayString
|
|
relativeDayString.toTitle(fCapitalizationBrkIter, fLocale, U_TITLECASE_NO_LOWERCASE | U_TITLECASE_NO_BREAK_ADJUSTMENT);
|
|
}
|
|
#endif
|
|
fDateTimeFormatter->setContext(UDISPCTX_CAPITALIZATION_NONE, status);
|
|
} else {
|
|
// set our context for the formatter
|
|
fDateTimeFormatter->setContext(capitalizationContext, status);
|
|
}
|
|
|
|
if (fDatePattern.isEmpty()) {
|
|
fDateTimeFormatter->applyPattern(fTimePattern);
|
|
fDateTimeFormatter->format(cal,appendTo,pos);
|
|
} else if (fTimePattern.isEmpty() || fCombinedFormat == NULL) {
|
|
if (relativeDayString.length() > 0) {
|
|
appendTo.append(relativeDayString);
|
|
} else {
|
|
fDateTimeFormatter->applyPattern(fDatePattern);
|
|
fDateTimeFormatter->format(cal,appendTo,pos);
|
|
}
|
|
} else {
|
|
UnicodeString datePattern;
|
|
if (relativeDayString.length() > 0) {
|
|
// Need to quote the relativeDayString to make it a legal date pattern
|
|
relativeDayString.findAndReplace(UNICODE_STRING("'", 1), UNICODE_STRING("''", 2)); // double any existing APOSTROPHE
|
|
relativeDayString.insert(0, APOSTROPHE); // add APOSTROPHE at beginning...
|
|
relativeDayString.append(APOSTROPHE); // and at end
|
|
datePattern.setTo(relativeDayString);
|
|
} else {
|
|
datePattern.setTo(fDatePattern);
|
|
}
|
|
UnicodeString combinedPattern;
|
|
fCombinedFormat->format(fTimePattern, datePattern, combinedPattern, status);
|
|
fDateTimeFormatter->applyPattern(combinedPattern);
|
|
fDateTimeFormatter->format(cal,appendTo,pos);
|
|
}
|
|
|
|
return appendTo;
|
|
}
|
|
|
|
|
|
|
|
UnicodeString&
|
|
RelativeDateFormat::format(const Formattable& obj,
|
|
UnicodeString& appendTo,
|
|
FieldPosition& pos,
|
|
UErrorCode& status) const
|
|
{
|
|
// this is just here to get around the hiding problem
|
|
// (the previous format() override would hide the version of
|
|
// format() on DateFormat that this function correspond to, so we
|
|
// have to redefine it here)
|
|
return DateFormat::format(obj, appendTo, pos, status);
|
|
}
|
|
|
|
|
|
void RelativeDateFormat::parse( const UnicodeString& text,
|
|
Calendar& cal,
|
|
ParsePosition& pos) const {
|
|
|
|
int32_t startIndex = pos.getIndex();
|
|
if (fDatePattern.isEmpty()) {
|
|
// no date pattern, try parsing as time
|
|
fDateTimeFormatter->applyPattern(fTimePattern);
|
|
fDateTimeFormatter->parse(text,cal,pos);
|
|
} else if (fTimePattern.isEmpty() || fCombinedFormat == NULL) {
|
|
// no time pattern or way to combine, try parsing as date
|
|
// first check whether text matches a relativeDayString
|
|
UBool matchedRelative = FALSE;
|
|
for (int n=0; n < fDatesLen && !matchedRelative; n++) {
|
|
if (fDates[n].string != NULL &&
|
|
text.compare(startIndex, fDates[n].len, fDates[n].string) == 0) {
|
|
// it matched, handle the relative day string
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
matchedRelative = TRUE;
|
|
|
|
// Set the calendar to now+offset
|
|
cal.setTime(Calendar::getNow(),status);
|
|
cal.add(UCAL_DATE,fDates[n].offset, status);
|
|
|
|
if(U_FAILURE(status)) {
|
|
// failure in setting calendar field, set offset to beginning of rel day string
|
|
pos.setErrorIndex(startIndex);
|
|
} else {
|
|
pos.setIndex(startIndex + fDates[n].len);
|
|
}
|
|
}
|
|
}
|
|
if (!matchedRelative) {
|
|
// just parse as normal date
|
|
fDateTimeFormatter->applyPattern(fDatePattern);
|
|
fDateTimeFormatter->parse(text,cal,pos);
|
|
}
|
|
} else {
|
|
// Here we replace any relativeDayString in text with the equivalent date
|
|
// formatted per fDatePattern, then parse text normally using the combined pattern.
|
|
UnicodeString modifiedText(text);
|
|
FieldPosition fPos;
|
|
int32_t dateStart = 0, origDateLen = 0, modDateLen = 0;
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
for (int n=0; n < fDatesLen; n++) {
|
|
int32_t relativeStringOffset;
|
|
if (fDates[n].string != NULL &&
|
|
(relativeStringOffset = modifiedText.indexOf(fDates[n].string, fDates[n].len, startIndex)) >= startIndex) {
|
|
// it matched, replace the relative date with a real one for parsing
|
|
UnicodeString dateString;
|
|
Calendar * tempCal = cal.clone();
|
|
|
|
// Set the calendar to now+offset
|
|
tempCal->setTime(Calendar::getNow(),status);
|
|
tempCal->add(UCAL_DATE,fDates[n].offset, status);
|
|
if(U_FAILURE(status)) {
|
|
pos.setErrorIndex(startIndex);
|
|
delete tempCal;
|
|
return;
|
|
}
|
|
|
|
fDateTimeFormatter->applyPattern(fDatePattern);
|
|
fDateTimeFormatter->format(*tempCal, dateString, fPos);
|
|
dateStart = relativeStringOffset;
|
|
origDateLen = fDates[n].len;
|
|
modDateLen = dateString.length();
|
|
modifiedText.replace(dateStart, origDateLen, dateString);
|
|
delete tempCal;
|
|
break;
|
|
}
|
|
}
|
|
UnicodeString combinedPattern;
|
|
fCombinedFormat->format(fTimePattern, fDatePattern, combinedPattern, status);
|
|
fDateTimeFormatter->applyPattern(combinedPattern);
|
|
fDateTimeFormatter->parse(modifiedText,cal,pos);
|
|
|
|
// Adjust offsets
|
|
UBool noError = (pos.getErrorIndex() < 0);
|
|
int32_t offset = (noError)? pos.getIndex(): pos.getErrorIndex();
|
|
if (offset >= dateStart + modDateLen) {
|
|
// offset at or after the end of the replaced text,
|
|
// correct by the difference between original and replacement
|
|
offset -= (modDateLen - origDateLen);
|
|
} else if (offset >= dateStart) {
|
|
// offset in the replaced text, set it to the beginning of that text
|
|
// (i.e. the beginning of the relative day string)
|
|
offset = dateStart;
|
|
}
|
|
if (noError) {
|
|
pos.setIndex(offset);
|
|
} else {
|
|
pos.setErrorIndex(offset);
|
|
}
|
|
}
|
|
}
|
|
|
|
UDate
|
|
RelativeDateFormat::parse( const UnicodeString& text,
|
|
ParsePosition& pos) const {
|
|
// redefined here because the other parse() function hides this function's
|
|
// cunterpart on DateFormat
|
|
return DateFormat::parse(text, pos);
|
|
}
|
|
|
|
UDate
|
|
RelativeDateFormat::parse(const UnicodeString& text, UErrorCode& status) const
|
|
{
|
|
// redefined here because the other parse() function hides this function's
|
|
// counterpart on DateFormat
|
|
return DateFormat::parse(text, status);
|
|
}
|
|
|
|
|
|
const UChar *RelativeDateFormat::getStringForDay(int32_t day, int32_t &len, UErrorCode &status) const {
|
|
if(U_FAILURE(status)) {
|
|
return NULL;
|
|
}
|
|
|
|
// Is it inside the resource bundle's range?
|
|
int n = day + UDAT_DIRECTION_THIS;
|
|
if (n >= 0 && n < fDatesLen) {
|
|
if (fDates[n].offset == day && fDates[n].string != NULL) {
|
|
len = fDates[n].len;
|
|
return fDates[n].string;
|
|
}
|
|
}
|
|
return NULL; // not found.
|
|
}
|
|
|
|
UnicodeString&
|
|
RelativeDateFormat::toPattern(UnicodeString& result, UErrorCode& status) const
|
|
{
|
|
if (!U_FAILURE(status)) {
|
|
result.remove();
|
|
if (fDatePattern.isEmpty()) {
|
|
result.setTo(fTimePattern);
|
|
} else if (fTimePattern.isEmpty() || fCombinedFormat == NULL) {
|
|
result.setTo(fDatePattern);
|
|
} else {
|
|
fCombinedFormat->format(fTimePattern, fDatePattern, result, status);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
UnicodeString&
|
|
RelativeDateFormat::toPatternDate(UnicodeString& result, UErrorCode& status) const
|
|
{
|
|
if (!U_FAILURE(status)) {
|
|
result.remove();
|
|
result.setTo(fDatePattern);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
UnicodeString&
|
|
RelativeDateFormat::toPatternTime(UnicodeString& result, UErrorCode& status) const
|
|
{
|
|
if (!U_FAILURE(status)) {
|
|
result.remove();
|
|
result.setTo(fTimePattern);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void
|
|
RelativeDateFormat::applyPatterns(const UnicodeString& datePattern, const UnicodeString& timePattern, UErrorCode &status)
|
|
{
|
|
if (!U_FAILURE(status)) {
|
|
fDatePattern.setTo(datePattern);
|
|
fTimePattern.setTo(timePattern);
|
|
}
|
|
}
|
|
|
|
const DateFormatSymbols*
|
|
RelativeDateFormat::getDateFormatSymbols() const
|
|
{
|
|
return fDateTimeFormatter->getDateFormatSymbols();
|
|
}
|
|
|
|
// override the DateFormat implementation in order to
|
|
// lazily initialize relevant items
|
|
void
|
|
RelativeDateFormat::setContext(UDisplayContext value, UErrorCode& status)
|
|
{
|
|
DateFormat::setContext(value, status);
|
|
if (U_SUCCESS(status)) {
|
|
if (!fCapitalizationInfoSet &&
|
|
(value==UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU || value==UDISPCTX_CAPITALIZATION_FOR_STANDALONE)) {
|
|
initCapitalizationContextInfo(fLocale);
|
|
fCapitalizationInfoSet = TRUE;
|
|
}
|
|
#if !UCONFIG_NO_BREAK_ITERATION
|
|
if ( fCapitalizationBrkIter == NULL && (value==UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE ||
|
|
(value==UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU && fCapitalizationOfRelativeUnitsForUIListMenu) ||
|
|
(value==UDISPCTX_CAPITALIZATION_FOR_STANDALONE && fCapitalizationOfRelativeUnitsForStandAlone)) ) {
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
fCapitalizationBrkIter = BreakIterator::createSentenceInstance(fLocale, status);
|
|
if (U_FAILURE(status)) {
|
|
delete fCapitalizationBrkIter;
|
|
fCapitalizationBrkIter = NULL;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void
|
|
RelativeDateFormat::initCapitalizationContextInfo(const Locale& thelocale)
|
|
{
|
|
#if !UCONFIG_NO_BREAK_ITERATION
|
|
const char * localeID = (thelocale != NULL)? thelocale.getBaseName(): NULL;
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
LocalUResourceBundlePointer rb(ures_open(NULL, localeID, &status));
|
|
ures_getByKeyWithFallback(rb.getAlias(),
|
|
"contextTransforms/relative",
|
|
rb.getAlias(), &status);
|
|
if (U_SUCCESS(status) && rb != NULL) {
|
|
int32_t len = 0;
|
|
const int32_t * intVector = ures_getIntVector(rb.getAlias(),
|
|
&len, &status);
|
|
if (U_SUCCESS(status) && intVector != NULL && len >= 2) {
|
|
fCapitalizationOfRelativeUnitsForUIListMenu = intVector[0];
|
|
fCapitalizationOfRelativeUnitsForStandAlone = intVector[1];
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
namespace {
|
|
|
|
/**
|
|
* Sink for getting data from fields/day/relative data.
|
|
* For loading relative day names, e.g., "yesterday", "today".
|
|
*/
|
|
|
|
struct RelDateFmtDataSink : public ResourceSink {
|
|
URelativeString *fDatesPtr;
|
|
int32_t fDatesLen;
|
|
|
|
RelDateFmtDataSink(URelativeString* fDates, int32_t len) : fDatesPtr(fDates), fDatesLen(len) {
|
|
for (int32_t i = 0; i < fDatesLen; ++i) {
|
|
fDatesPtr[i].offset = 0;
|
|
fDatesPtr[i].string = NULL;
|
|
fDatesPtr[i].len = -1;
|
|
}
|
|
}
|
|
|
|
virtual ~RelDateFmtDataSink();
|
|
|
|
virtual void put(const char *key, ResourceValue &value,
|
|
UBool /*noFallback*/, UErrorCode &errorCode) {
|
|
ResourceTable relDayTable = value.getTable(errorCode);
|
|
int32_t n = 0;
|
|
int32_t len = 0;
|
|
for (int32_t i = 0; relDayTable.getKeyAndValue(i, key, value); ++i) {
|
|
// Find the relative offset.
|
|
int32_t offset = atoi(key);
|
|
|
|
// Put in the proper spot, but don't override existing data.
|
|
n = offset + UDAT_DIRECTION_THIS; // Converts to index in UDAT_R
|
|
if (n < fDatesLen && fDatesPtr[n].string == NULL) {
|
|
// Not found and n is an empty slot.
|
|
fDatesPtr[n].offset = offset;
|
|
fDatesPtr[n].string = value.getString(len, errorCode);
|
|
fDatesPtr[n].len = len;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
// Virtual destructors must be defined out of line.
|
|
RelDateFmtDataSink::~RelDateFmtDataSink() {}
|
|
|
|
} // Namespace
|
|
|
|
|
|
static const UChar patItem1[] = {0x7B,0x31,0x7D}; // "{1}"
|
|
static const int32_t patItem1Len = 3;
|
|
|
|
void RelativeDateFormat::loadDates(UErrorCode &status) {
|
|
UResourceBundle *rb = ures_open(NULL, fLocale.getBaseName(), &status);
|
|
LocalUResourceBundlePointer dateTimePatterns(
|
|
ures_getByKeyWithFallback(rb,
|
|
"calendar/gregorian/DateTimePatterns",
|
|
(UResourceBundle*)NULL, &status));
|
|
if(U_SUCCESS(status)) {
|
|
int32_t patternsSize = ures_getSize(dateTimePatterns.getAlias());
|
|
if (patternsSize > kDateTime) {
|
|
int32_t resStrLen = 0;
|
|
int32_t glueIndex = kDateTime;
|
|
if (patternsSize >= (kDateTimeOffset + kShort + 1)) {
|
|
int32_t offsetIncrement = (fDateStyle & ~kRelative); // Remove relative bit.
|
|
if (offsetIncrement >= (int32_t)kFull &&
|
|
offsetIncrement <= (int32_t)kShortRelative) {
|
|
glueIndex = kDateTimeOffset + offsetIncrement;
|
|
}
|
|
}
|
|
|
|
const UChar *resStr = ures_getStringByIndex(dateTimePatterns.getAlias(), glueIndex, &resStrLen, &status);
|
|
if (U_SUCCESS(status) && resStrLen >= patItem1Len && u_strncmp(resStr,patItem1,patItem1Len)==0) {
|
|
fCombinedHasDateAtStart = TRUE;
|
|
}
|
|
fCombinedFormat = new SimpleFormatter(UnicodeString(TRUE, resStr, resStrLen), 2, 2, status);
|
|
}
|
|
}
|
|
|
|
// Data loading for relative names, e.g., "yesterday", "today", "tomorrow".
|
|
fDatesLen = UDAT_DIRECTION_COUNT; // Maximum defined by data.
|
|
fDates = (URelativeString*) uprv_malloc(sizeof(fDates[0])*fDatesLen);
|
|
|
|
RelDateFmtDataSink sink(fDates, fDatesLen);
|
|
ures_getAllItemsWithFallback(rb, "fields/day/relative", sink, status);
|
|
|
|
ures_close(rb);
|
|
|
|
if(U_FAILURE(status)) {
|
|
fDatesLen=0;
|
|
return;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
// this should to be in DateFormat, instead it was copied from SimpleDateFormat.
|
|
|
|
Calendar*
|
|
RelativeDateFormat::initializeCalendar(TimeZone* adoptZone, const Locale& locale, UErrorCode& status)
|
|
{
|
|
if(!U_FAILURE(status)) {
|
|
fCalendar = Calendar::createInstance(adoptZone?adoptZone:TimeZone::createDefault(), locale, status);
|
|
}
|
|
if (U_SUCCESS(status) && fCalendar == NULL) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
}
|
|
return fCalendar;
|
|
}
|
|
|
|
int32_t RelativeDateFormat::dayDifference(Calendar &cal, UErrorCode &status) {
|
|
if(U_FAILURE(status)) {
|
|
return 0;
|
|
}
|
|
// TODO: Cache the nowCal to avoid heap allocs? Would be difficult, don't know the calendar type
|
|
Calendar *nowCal = cal.clone();
|
|
nowCal->setTime(Calendar::getNow(), status);
|
|
|
|
// For the day difference, we are interested in the difference in the (modified) julian day number
|
|
// which is midnight to midnight. Using fieldDifference() is NOT correct here, because
|
|
// 6pm Jan 4th to 10am Jan 5th should be considered "tomorrow".
|
|
int32_t dayDiff = cal.get(UCAL_JULIAN_DAY, status) - nowCal->get(UCAL_JULIAN_DAY, status);
|
|
|
|
delete nowCal;
|
|
return dayDiff;
|
|
}
|
|
|
|
U_NAMESPACE_END
|
|
|
|
#endif /* !UCONFIG_NO_FORMATTING */
|