Check in the pristine copy of ICU 4.6...

icu46/source/i18n/windtfmt.cpp

+/*
+********************************************************************************
+*   Copyright (C) 2005-2009, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+********************************************************************************
+*
+* File WINDTFMT.CPP
+*
+********************************************************************************
+*/
+
+#include "unicode/utypes.h"
+
+#ifdef U_WINDOWS
+
+#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->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 // #ifdef U_WINDOWS
+