scuffed-code/icu4c/source/i18n/windtfmt.cpp

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/*
********************************************************************************
* Copyright (C) 2005-2013, International Business Machines
* Corporation and others. All Rights Reserved.
********************************************************************************
*
* File WINDTFMT.CPP
*
********************************************************************************
*/
#include "unicode/utypes.h"
#if U_PLATFORM_HAS_WIN32_API
#if !UCONFIG_NO_FORMATTING
#include "unicode/ures.h"
#include "unicode/format.h"
#include "unicode/fmtable.h"
#include "unicode/datefmt.h"
#include "unicode/msgfmt.h"
#include "unicode/calendar.h"
#include "unicode/gregocal.h"
#include "unicode/locid.h"
#include "unicode/unistr.h"
#include "unicode/ustring.h"
#include "unicode/timezone.h"
#include "unicode/utmscale.h"
#include "cmemory.h"
#include "uresimp.h"
#include "windtfmt.h"
#include "wintzimpl.h"
# define WIN32_LEAN_AND_MEAN
# define VC_EXTRALEAN
# define NOUSER
# define NOSERVICE
# define NOIME
# define NOMCX
#include <windows.h>
U_NAMESPACE_BEGIN
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(Win32DateFormat)
#define ARRAY_SIZE(array) (sizeof array / sizeof array[0])
#define NEW_ARRAY(type,count) (type *) uprv_malloc((count) * sizeof(type))
#define DELETE_ARRAY(array) uprv_free((void *) (array))
#define STACK_BUFFER_SIZE 64
UnicodeString* Win32DateFormat::getTimeDateFormat(const Calendar *cal, const Locale *locale, UErrorCode &status) const
{
UnicodeString *result = NULL;
const char *type = cal->getType();
const char *base = locale->getBaseName();
UResourceBundle *topBundle = ures_open((char *) 0, base, &status);
UResourceBundle *calBundle = ures_getByKey(topBundle, "calendar", NULL, &status);
UResourceBundle *typBundle = ures_getByKeyWithFallback(calBundle, type, NULL, &status);
UResourceBundle *patBundle = ures_getByKeyWithFallback(typBundle, "DateTimePatterns", NULL, &status);
if (status == U_MISSING_RESOURCE_ERROR) {
status = U_ZERO_ERROR;
typBundle = ures_getByKeyWithFallback(calBundle, "gregorian", typBundle, &status);
patBundle = ures_getByKeyWithFallback(typBundle, "DateTimePatterns", patBundle, &status);
}
if (U_FAILURE(status)) {
static const UChar defaultPattern[] = {0x007B, 0x0031, 0x007D, 0x0020, 0x007B, 0x0030, 0x007D, 0x0000}; // "{1} {0}"
return new UnicodeString(defaultPattern, ARRAY_SIZE(defaultPattern));
}
int32_t resStrLen = 0;
int32_t glueIndex = DateFormat::kDateTime;
int32_t patSize = ures_getSize(patBundle);
if (patSize >= (DateFormat::kDateTimeOffset + DateFormat::kShort + 1)) {
// Get proper date time format
glueIndex = (int32_t)(DateFormat::kDateTimeOffset + (fDateStyle - DateFormat::kDateOffset));
}
const UChar *resStr = ures_getStringByIndex(patBundle, glueIndex, &resStrLen, &status);
result = new UnicodeString(TRUE, resStr, resStrLen);
ures_close(patBundle);
ures_close(typBundle);
ures_close(calBundle);
ures_close(topBundle);
return result;
}
// TODO: Range-check timeStyle, dateStyle
Win32DateFormat::Win32DateFormat(DateFormat::EStyle timeStyle, DateFormat::EStyle dateStyle, const Locale &locale, UErrorCode &status)
: DateFormat(), fDateTimeMsg(NULL), fTimeStyle(timeStyle), fDateStyle(dateStyle), fLocale(locale), fZoneID()
{
if (U_SUCCESS(status)) {
fLCID = locale.getLCID();
fTZI = NEW_ARRAY(TIME_ZONE_INFORMATION, 1);
uprv_memset(fTZI, 0, sizeof(TIME_ZONE_INFORMATION));
adoptCalendar(Calendar::createInstance(locale, status));
}
}
Win32DateFormat::Win32DateFormat(const Win32DateFormat &other)
: DateFormat(other)
{
*this = other;
}
Win32DateFormat::~Win32DateFormat()
{
// delete fCalendar;
uprv_free(fTZI);
delete fDateTimeMsg;
}
Win32DateFormat &Win32DateFormat::operator=(const Win32DateFormat &other)
{
// The following handles fCalendar
DateFormat::operator=(other);
// delete fCalendar;
this->fDateTimeMsg = other.fDateTimeMsg;
this->fTimeStyle = other.fTimeStyle;
this->fDateStyle = other.fDateStyle;
this->fLocale = other.fLocale;
this->fLCID = other.fLCID;
// this->fCalendar = other.fCalendar->clone();
this->fZoneID = other.fZoneID;
this->fTZI = NEW_ARRAY(TIME_ZONE_INFORMATION, 1);
*this->fTZI = *other.fTZI;
return *this;
}
Format *Win32DateFormat::clone(void) const
{
return new Win32DateFormat(*this);
}
// TODO: Is just ignoring pos the right thing?
UnicodeString &Win32DateFormat::format(Calendar &cal, UnicodeString &appendTo, FieldPosition &pos) const
{
FILETIME ft;
SYSTEMTIME st_gmt;
SYSTEMTIME st_local;
TIME_ZONE_INFORMATION tzi = *fTZI;
UErrorCode status = U_ZERO_ERROR;
const TimeZone &tz = cal.getTimeZone();
int64_t uct, uft;
setTimeZoneInfo(&tzi, tz);
uct = utmscale_fromInt64((int64_t) cal.getTime(status), UDTS_ICU4C_TIME, &status);
uft = utmscale_toInt64(uct, UDTS_WINDOWS_FILE_TIME, &status);
ft.dwLowDateTime = (DWORD) (uft & 0xFFFFFFFF);
ft.dwHighDateTime = (DWORD) ((uft >> 32) & 0xFFFFFFFF);
FileTimeToSystemTime(&ft, &st_gmt);
SystemTimeToTzSpecificLocalTime(&tzi, &st_gmt, &st_local);
if (fDateStyle != DateFormat::kNone && fTimeStyle != DateFormat::kNone) {
UnicodeString *date = new UnicodeString();
UnicodeString *time = new UnicodeString();
UnicodeString *pattern = fDateTimeMsg;
Formattable timeDateArray[2];
formatDate(&st_local, *date);
formatTime(&st_local, *time);
timeDateArray[0].adoptString(time);
timeDateArray[1].adoptString(date);
if (strcmp(fCalendar->getType(), cal.getType()) != 0) {
pattern = getTimeDateFormat(&cal, &fLocale, status);
}
MessageFormat::format(*pattern, timeDateArray, 2, appendTo, status);
} else if (fDateStyle != DateFormat::kNone) {
formatDate(&st_local, appendTo);
} else if (fTimeStyle != DateFormat::kNone) {
formatTime(&st_local, appendTo);
}
return appendTo;
}
void Win32DateFormat::parse(const UnicodeString& text, Calendar& cal, ParsePosition& pos) const
{
pos.setErrorIndex(pos.getIndex());
}
void Win32DateFormat::adoptCalendar(Calendar *newCalendar)
{
if (fCalendar == NULL || strcmp(fCalendar->getType(), newCalendar->getType()) != 0) {
UErrorCode status = U_ZERO_ERROR;
if (fDateStyle != DateFormat::kNone && fTimeStyle != DateFormat::kNone) {
delete fDateTimeMsg;
fDateTimeMsg = getTimeDateFormat(newCalendar, &fLocale, status);
}
}
delete fCalendar;
fCalendar = newCalendar;
fZoneID = setTimeZoneInfo(fTZI, fCalendar->getTimeZone());
}
void Win32DateFormat::setCalendar(const Calendar &newCalendar)
{
adoptCalendar(newCalendar.clone());
}
void Win32DateFormat::adoptTimeZone(TimeZone *zoneToAdopt)
{
fZoneID = setTimeZoneInfo(fTZI, *zoneToAdopt);
fCalendar->adoptTimeZone(zoneToAdopt);
}
void Win32DateFormat::setTimeZone(const TimeZone& zone)
{
fZoneID = setTimeZoneInfo(fTZI, zone);
fCalendar->setTimeZone(zone);
}
static const DWORD dfFlags[] = {DATE_LONGDATE, DATE_LONGDATE, DATE_SHORTDATE, DATE_SHORTDATE};
void Win32DateFormat::formatDate(const SYSTEMTIME *st, UnicodeString &appendTo) const
{
int result;
UChar stackBuffer[STACK_BUFFER_SIZE];
UChar *buffer = stackBuffer;
result = GetDateFormatW(fLCID, dfFlags[fDateStyle - kDateOffset], st, NULL, buffer, STACK_BUFFER_SIZE);
if (result == 0) {
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
int newLength = GetDateFormatW(fLCID, dfFlags[fDateStyle - kDateOffset], st, NULL, NULL, 0);
buffer = NEW_ARRAY(UChar, newLength);
GetDateFormatW(fLCID, dfFlags[fDateStyle - kDateOffset], st, NULL, buffer, newLength);
}
}
appendTo.append(buffer, (int32_t) wcslen(buffer));
if (buffer != stackBuffer) {
DELETE_ARRAY(buffer);
}
}
static const DWORD tfFlags[] = {0, 0, 0, TIME_NOSECONDS};
void Win32DateFormat::formatTime(const SYSTEMTIME *st, UnicodeString &appendTo) const
{
int result;
UChar stackBuffer[STACK_BUFFER_SIZE];
UChar *buffer = stackBuffer;
result = GetTimeFormatW(fLCID, tfFlags[fTimeStyle], st, NULL, buffer, STACK_BUFFER_SIZE);
if (result == 0) {
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
int newLength = GetTimeFormatW(fLCID, tfFlags[fTimeStyle], st, NULL, NULL, 0);
buffer = NEW_ARRAY(UChar, newLength);
GetDateFormatW(fLCID, tfFlags[fTimeStyle], st, NULL, buffer, newLength);
}
}
appendTo.append(buffer, (int32_t) wcslen(buffer));
if (buffer != stackBuffer) {
DELETE_ARRAY(buffer);
}
}
UnicodeString Win32DateFormat::setTimeZoneInfo(TIME_ZONE_INFORMATION *tzi, const TimeZone &zone) const
{
UnicodeString zoneID;
zone.getID(zoneID);
if (zoneID.compare(fZoneID) != 0) {
UnicodeString icuid;
zone.getID(icuid);
if (! uprv_getWindowsTimeZoneInfo(tzi, icuid.getBuffer(), icuid.length())) {
UBool found = FALSE;
int32_t ec = TimeZone::countEquivalentIDs(icuid);
for (int z = 0; z < ec; z += 1) {
UnicodeString equiv = TimeZone::getEquivalentID(icuid, z);
if (found = uprv_getWindowsTimeZoneInfo(tzi, equiv.getBuffer(), equiv.length())) {
break;
}
}
if (! found) {
GetTimeZoneInformation(tzi);
}
}
}
return zoneID;
}
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */
#endif // U_PLATFORM_HAS_WIN32_API