317 lines
9.4 KiB
C++
317 lines
9.4 KiB
C++
/*
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********************************************************************************
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* Copyright (C) 2005-2016, International Business Machines
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* Corporation and others. All Rights Reserved.
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********************************************************************************
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*
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* File WINDTFMT.CPP
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*
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********************************************************************************
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*/
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#include "unicode/utypes.h"
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#if U_PLATFORM_HAS_WIN32_API
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/ures.h"
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#include "unicode/format.h"
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#include "unicode/fmtable.h"
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#include "unicode/datefmt.h"
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#include "unicode/simpleformatter.h"
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#include "unicode/calendar.h"
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#include "unicode/gregocal.h"
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#include "unicode/locid.h"
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#include "unicode/unistr.h"
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#include "unicode/ustring.h"
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#include "unicode/timezone.h"
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#include "unicode/utmscale.h"
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#include "cmemory.h"
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#include "uresimp.h"
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#include "windtfmt.h"
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#include "wintzimpl.h"
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# define WIN32_LEAN_AND_MEAN
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# define VC_EXTRALEAN
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# define NOUSER
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# define NOSERVICE
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# define NOIME
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# define NOMCX
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#include <windows.h>
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U_NAMESPACE_BEGIN
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UOBJECT_DEFINE_RTTI_IMPLEMENTATION(Win32DateFormat)
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#define NEW_ARRAY(type,count) (type *) uprv_malloc((count) * sizeof(type))
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#define DELETE_ARRAY(array) uprv_free((void *) (array))
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#define STACK_BUFFER_SIZE 64
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UnicodeString* Win32DateFormat::getTimeDateFormat(const Calendar *cal, const Locale *locale, UErrorCode &status) const
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{
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UnicodeString *result = NULL;
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const char *type = cal->getType();
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const char *base = locale->getBaseName();
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UResourceBundle *topBundle = ures_open((char *) 0, base, &status);
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UResourceBundle *calBundle = ures_getByKey(topBundle, "calendar", NULL, &status);
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UResourceBundle *typBundle = ures_getByKeyWithFallback(calBundle, type, NULL, &status);
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UResourceBundle *patBundle = ures_getByKeyWithFallback(typBundle, "DateTimePatterns", NULL, &status);
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if (status == U_MISSING_RESOURCE_ERROR) {
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status = U_ZERO_ERROR;
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typBundle = ures_getByKeyWithFallback(calBundle, "gregorian", typBundle, &status);
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patBundle = ures_getByKeyWithFallback(typBundle, "DateTimePatterns", patBundle, &status);
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}
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if (U_FAILURE(status)) {
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static const UChar defaultPattern[] = {0x007B, 0x0031, 0x007D, 0x0020, 0x007B, 0x0030, 0x007D, 0x0000}; // "{1} {0}"
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return new UnicodeString(defaultPattern, UPRV_LENGTHOF(defaultPattern));
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}
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int32_t resStrLen = 0;
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int32_t glueIndex = DateFormat::kDateTime;
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int32_t patSize = ures_getSize(patBundle);
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if (patSize >= (DateFormat::kDateTimeOffset + DateFormat::kShort + 1)) {
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// Get proper date time format
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glueIndex = (int32_t)(DateFormat::kDateTimeOffset + (fDateStyle - DateFormat::kDateOffset));
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}
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const UChar *resStr = ures_getStringByIndex(patBundle, glueIndex, &resStrLen, &status);
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result = new UnicodeString(TRUE, resStr, resStrLen);
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ures_close(patBundle);
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ures_close(typBundle);
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ures_close(calBundle);
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ures_close(topBundle);
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return result;
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}
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// TODO: Range-check timeStyle, dateStyle
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Win32DateFormat::Win32DateFormat(DateFormat::EStyle timeStyle, DateFormat::EStyle dateStyle, const Locale &locale, UErrorCode &status)
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: DateFormat(), fDateTimeMsg(NULL), fTimeStyle(timeStyle), fDateStyle(dateStyle), fLocale(locale), fZoneID()
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{
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if (U_SUCCESS(status)) {
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fLCID = locale.getLCID();
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fTZI = NEW_ARRAY(TIME_ZONE_INFORMATION, 1);
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uprv_memset(fTZI, 0, sizeof(TIME_ZONE_INFORMATION));
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adoptCalendar(Calendar::createInstance(locale, status));
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}
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}
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Win32DateFormat::Win32DateFormat(const Win32DateFormat &other)
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: DateFormat(other)
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{
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*this = other;
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}
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Win32DateFormat::~Win32DateFormat()
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{
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// delete fCalendar;
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uprv_free(fTZI);
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delete fDateTimeMsg;
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}
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Win32DateFormat &Win32DateFormat::operator=(const Win32DateFormat &other)
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{
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// The following handles fCalendar
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DateFormat::operator=(other);
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// delete fCalendar;
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this->fDateTimeMsg = other.fDateTimeMsg == NULL ? NULL : new UnicodeString(*other.fDateTimeMsg);
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this->fTimeStyle = other.fTimeStyle;
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this->fDateStyle = other.fDateStyle;
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this->fLocale = other.fLocale;
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this->fLCID = other.fLCID;
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// this->fCalendar = other.fCalendar->clone();
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this->fZoneID = other.fZoneID;
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this->fTZI = NEW_ARRAY(TIME_ZONE_INFORMATION, 1);
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*this->fTZI = *other.fTZI;
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return *this;
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}
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Format *Win32DateFormat::clone(void) const
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{
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return new Win32DateFormat(*this);
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}
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// TODO: Is just ignoring pos the right thing?
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UnicodeString &Win32DateFormat::format(Calendar &cal, UnicodeString &appendTo, FieldPosition &pos) const
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{
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FILETIME ft;
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SYSTEMTIME st_gmt;
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SYSTEMTIME st_local;
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TIME_ZONE_INFORMATION tzi = *fTZI;
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UErrorCode status = U_ZERO_ERROR;
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const TimeZone &tz = cal.getTimeZone();
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int64_t uct, uft;
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setTimeZoneInfo(&tzi, tz);
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uct = utmscale_fromInt64((int64_t) cal.getTime(status), UDTS_ICU4C_TIME, &status);
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uft = utmscale_toInt64(uct, UDTS_WINDOWS_FILE_TIME, &status);
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ft.dwLowDateTime = (DWORD) (uft & 0xFFFFFFFF);
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ft.dwHighDateTime = (DWORD) ((uft >> 32) & 0xFFFFFFFF);
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FileTimeToSystemTime(&ft, &st_gmt);
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SystemTimeToTzSpecificLocalTime(&tzi, &st_gmt, &st_local);
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if (fDateStyle != DateFormat::kNone && fTimeStyle != DateFormat::kNone) {
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UnicodeString date;
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UnicodeString time;
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UnicodeString *pattern = fDateTimeMsg;
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formatDate(&st_local, date);
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formatTime(&st_local, time);
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if (strcmp(fCalendar->getType(), cal.getType()) != 0) {
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pattern = getTimeDateFormat(&cal, &fLocale, status);
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}
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SimpleFormatter(*pattern, 2, 2, status).format(time, date, appendTo, status);
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} else if (fDateStyle != DateFormat::kNone) {
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formatDate(&st_local, appendTo);
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} else if (fTimeStyle != DateFormat::kNone) {
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formatTime(&st_local, appendTo);
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}
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return appendTo;
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}
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void Win32DateFormat::parse(const UnicodeString& text, Calendar& cal, ParsePosition& pos) const
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{
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pos.setErrorIndex(pos.getIndex());
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}
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void Win32DateFormat::adoptCalendar(Calendar *newCalendar)
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{
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if (fCalendar == NULL || strcmp(fCalendar->getType(), newCalendar->getType()) != 0) {
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UErrorCode status = U_ZERO_ERROR;
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if (fDateStyle != DateFormat::kNone && fTimeStyle != DateFormat::kNone) {
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delete fDateTimeMsg;
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fDateTimeMsg = getTimeDateFormat(newCalendar, &fLocale, status);
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}
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}
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delete fCalendar;
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fCalendar = newCalendar;
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fZoneID = setTimeZoneInfo(fTZI, fCalendar->getTimeZone());
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}
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void Win32DateFormat::setCalendar(const Calendar &newCalendar)
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{
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adoptCalendar(newCalendar.clone());
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}
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void Win32DateFormat::adoptTimeZone(TimeZone *zoneToAdopt)
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{
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fZoneID = setTimeZoneInfo(fTZI, *zoneToAdopt);
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fCalendar->adoptTimeZone(zoneToAdopt);
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}
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void Win32DateFormat::setTimeZone(const TimeZone& zone)
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{
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fZoneID = setTimeZoneInfo(fTZI, zone);
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fCalendar->setTimeZone(zone);
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}
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static const DWORD dfFlags[] = {DATE_LONGDATE, DATE_LONGDATE, DATE_SHORTDATE, DATE_SHORTDATE};
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void Win32DateFormat::formatDate(const SYSTEMTIME *st, UnicodeString &appendTo) const
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{
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int result;
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UChar stackBuffer[STACK_BUFFER_SIZE];
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UChar *buffer = stackBuffer;
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result = GetDateFormatW(fLCID, dfFlags[fDateStyle - kDateOffset], st, NULL, buffer, STACK_BUFFER_SIZE);
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if (result == 0) {
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if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
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int newLength = GetDateFormatW(fLCID, dfFlags[fDateStyle - kDateOffset], st, NULL, NULL, 0);
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buffer = NEW_ARRAY(UChar, newLength);
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GetDateFormatW(fLCID, dfFlags[fDateStyle - kDateOffset], st, NULL, buffer, newLength);
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}
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}
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appendTo.append(buffer, (int32_t) wcslen(buffer));
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if (buffer != stackBuffer) {
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DELETE_ARRAY(buffer);
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}
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}
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static const DWORD tfFlags[] = {0, 0, 0, TIME_NOSECONDS};
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void Win32DateFormat::formatTime(const SYSTEMTIME *st, UnicodeString &appendTo) const
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{
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int result;
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UChar stackBuffer[STACK_BUFFER_SIZE];
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UChar *buffer = stackBuffer;
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result = GetTimeFormatW(fLCID, tfFlags[fTimeStyle], st, NULL, buffer, STACK_BUFFER_SIZE);
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if (result == 0) {
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if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
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int newLength = GetTimeFormatW(fLCID, tfFlags[fTimeStyle], st, NULL, NULL, 0);
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buffer = NEW_ARRAY(UChar, newLength);
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GetDateFormatW(fLCID, tfFlags[fTimeStyle], st, NULL, buffer, newLength);
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}
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}
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appendTo.append(buffer, (int32_t) wcslen(buffer));
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if (buffer != stackBuffer) {
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DELETE_ARRAY(buffer);
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}
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}
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UnicodeString Win32DateFormat::setTimeZoneInfo(TIME_ZONE_INFORMATION *tzi, const TimeZone &zone) const
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{
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UnicodeString zoneID;
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zone.getID(zoneID);
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if (zoneID.compare(fZoneID) != 0) {
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UnicodeString icuid;
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zone.getID(icuid);
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if (! uprv_getWindowsTimeZoneInfo(tzi, icuid.getBuffer(), icuid.length())) {
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UBool found = FALSE;
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int32_t ec = TimeZone::countEquivalentIDs(icuid);
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for (int z = 0; z < ec; z += 1) {
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UnicodeString equiv = TimeZone::getEquivalentID(icuid, z);
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if (found = uprv_getWindowsTimeZoneInfo(tzi, equiv.getBuffer(), equiv.length())) {
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break;
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}
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}
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if (! found) {
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GetTimeZoneInformation(tzi);
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}
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}
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}
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return zoneID;
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}
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U_NAMESPACE_END
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#endif /* #if !UCONFIG_NO_FORMATTING */
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#endif // U_PLATFORM_HAS_WIN32_API
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