qlocale.cpp

奇趣公司比较新的qt/emd版本

                }
                break;
            case 'g':
                if (repeat > 2)
                    repeat = 2;
                switch (repeat) {
                    case 2:
                        break; // no equivalent of "gg" in Qt
                    default:
                        result += QLatin1Char('g');
                        break;
                }
                break;
            case 't':
                if (repeat > 2)
                    repeat = 2;
                result += QLatin1String("AP"); // "t" unsupported, use "AP"
                break;
            default:
                result += QString(repeat, c);
                break;
        }

        i += repeat;
    }

    return result;
}



static QString winDateToString(const QDate &date, DWORD flags)
{
    SYSTEMTIME st;
    memset(&st, 0, sizeof(SYSTEMTIME));
    st.wYear = date.year();
    st.wMonth = date.month();
    st.wDay = date.day();

    LCID id = GetThreadLocale();

    QT_WA({
        TCHAR buf[255];
        if (GetDateFormatW(id, flags, &st, 0, buf, 255))
            return QString::fromUtf16((ushort*)buf);
    } , {
        char buf[255];
        if (GetDateFormatA(id, flags, &st, 0, (char*)&buf, 255))
            return QString::fromLocal8Bit(buf);
    });

    return QString();
}

static QString winTimeToString(const QTime &time)
{
    SYSTEMTIME st;
    memset(&st, 0, sizeof(SYSTEMTIME));
    st.wHour = time.hour();
    st.wMinute = time.minute();
    st.wSecond = time.second();
    st.wMilliseconds = 0;

    DWORD flags = 0;
    LCID id = GetThreadLocale();

    QT_WA({
        TCHAR buf[255];
        if (GetTimeFormatW(id, flags, &st, 0, buf, 255))
            return QString::fromUtf16((ushort*)buf);
    } , {
        char buf[255];
        if (GetTimeFormatA(id, flags, &st, 0, (char*)&buf, 255))
            return QString::fromLocal8Bit(buf);
    });

    return QString();
}

static QString winDayName(int day, bool short_format)
{
    static const LCTYPE short_day_map[]
        = { LOCALE_SABBREVDAYNAME1, LOCALE_SABBREVDAYNAME2,
            LOCALE_SABBREVDAYNAME3, LOCALE_SABBREVDAYNAME4, LOCALE_SABBREVDAYNAME5,
            LOCALE_SABBREVDAYNAME6, LOCALE_SABBREVDAYNAME7 };

    static const LCTYPE long_day_map[]
        = { LOCALE_SDAYNAME1, LOCALE_SDAYNAME2,
            LOCALE_SDAYNAME3, LOCALE_SDAYNAME4, LOCALE_SDAYNAME5,
            LOCALE_SDAYNAME6, LOCALE_SDAYNAME7 };

    day -= 1;

    LCTYPE type = short_format
                    ? short_day_map[day] : long_day_map[day];
    return getWinLocaleInfo(type);
}

static QString winMonthName(int month, bool short_format)
{
    static const LCTYPE short_month_map[]
        = { LOCALE_SABBREVMONTHNAME1, LOCALE_SABBREVMONTHNAME2, LOCALE_SABBREVMONTHNAME3,
            LOCALE_SABBREVMONTHNAME4, LOCALE_SABBREVMONTHNAME5, LOCALE_SABBREVMONTHNAME6,
            LOCALE_SABBREVMONTHNAME7, LOCALE_SABBREVMONTHNAME8, LOCALE_SABBREVMONTHNAME9,
            LOCALE_SABBREVMONTHNAME10, LOCALE_SABBREVMONTHNAME11, LOCALE_SABBREVMONTHNAME12 };

    static const LCTYPE long_month_map[]
        = { LOCALE_SMONTHNAME1, LOCALE_SMONTHNAME2, LOCALE_SMONTHNAME3,
            LOCALE_SMONTHNAME4, LOCALE_SMONTHNAME5, LOCALE_SMONTHNAME6,
            LOCALE_SMONTHNAME7, LOCALE_SMONTHNAME8, LOCALE_SMONTHNAME9,
            LOCALE_SMONTHNAME10, LOCALE_SMONTHNAME11, LOCALE_SMONTHNAME12 };

    month -= 1;
    if (month < 0 || month > 11)
    return QString();

    LCTYPE type = short_format ? short_month_map[month] : long_month_map[month];
    return getWinLocaleInfo(type);
}

QLocale QSystemLocale::fallbackLocale() const
{
    return QLocale(QString::fromLatin1(getWinLocaleName()));
}

QVariant QSystemLocale::query(QueryType type, QVariant in = QVariant()) const
{
    LCTYPE locale_info = 0;
    bool format_string = false;

    switch(type) {
//     case Name:
//         return getWinLocaleName();
    case DecimalPoint:
        locale_info = LOCALE_SDECIMAL;
                break;
    case GroupSeparator:
        locale_info = LOCALE_STHOUSAND;
                break;
    case NegativeSign:
        locale_info = LOCALE_SNEGATIVESIGN;
                break;
    case DateFormatLong:
        locale_info = LOCALE_SLONGDATE;
        format_string = true;
                break;
    case DateFormatShort:
        locale_info = LOCALE_SSHORTDATE;
        format_string = true;
                break;
    case TimeFormatLong:
    case TimeFormatShort:
        locale_info = LOCALE_STIMEFORMAT;
        format_string = true;
                break;
    case DayNameLong:
    case DayNameShort:
        return winDayName(in.toInt(), (type == DayNameShort));
    case MonthNameLong:
    case MonthNameShort:
        return winMonthName(in.toInt(), (type == MonthNameShort));
    case DateToStringShort:
    case DateToStringLong:
        return winDateToString(in.toDate(), type == DateToStringShort ? DATE_SHORTDATE : DATE_LONGDATE);
    case TimeToStringShort:
    case TimeToStringLong:
        return winTimeToString(in.toTime());

    case ZeroDigit:
        locale_info = LOCALE_SNATIVEDIGITS;
        break;

    case LanguageId:
    case CountryId: {
        QString locale = QString::fromLatin1(getWinLocaleName());
        QLocale::Language lang;
        QLocale::Country cntry;
        getLangAndCountry(locale, lang, cntry);
        if (type == LanguageId)
            return lang;
        return cntry;
    }
    default:
        break;
    }
    if (locale_info) {
        QString result = getWinLocaleInfo(locale_info);
        if (format_string)
            result = winToQtFormat(result);
        if (!result.isEmpty())
            return result;
    }
    return QVariant();
}

/* Win95 doesn't have a function to return the ISO lang/country name of the user's locale.
   Instead it can return a "Windows code". This maps windows codes to ISO country names. */

struct WindowsToISOListElt {
    int windows_code;
    char iso_name[6];
};

static const WindowsToISOListElt windows_to_iso_list[] = {
    { 0x0401, "ar_SA" },
    { 0x0402, "bg\0  " },
    { 0x0403, "ca\0  " },
    { 0x0404, "zh_TW" },
    { 0x0405, "cs\0  " },
    { 0x0406, "da\0  " },
    { 0x0407, "de\0  " },
    { 0x0408, "el\0  " },
    { 0x0409, "en_US" },
    { 0x040a, "es\0  " },
    { 0x040b, "fi\0  " },
    { 0x040c, "fr\0  " },
    { 0x040d, "he\0  " },
    { 0x040e, "hu\0  " },
    { 0x040f, "is\0  " },
    { 0x0410, "it\0  " },
    { 0x0411, "ja\0  " },
    { 0x0412, "ko\0  " },
    { 0x0413, "nl\0  " },
    { 0x0414, "no\0  " },
    { 0x0415, "pl\0  " },
    { 0x0416, "pt_BR" },
    { 0x0418, "ro\0  " },
    { 0x0419, "ru\0  " },
    { 0x041a, "hr\0  " },
    { 0x041c, "sq\0  " },
    { 0x041d, "sv\0  " },
    { 0x041e, "th\0  " },
    { 0x041f, "tr\0  " },
    { 0x0420, "ur\0  " },
    { 0x0421, "in\0  " },
    { 0x0422, "uk\0  " },
    { 0x0423, "be\0  " },
    { 0x0425, "et\0  " },
    { 0x0426, "lv\0  " },
    { 0x0427, "lt\0  " },
    { 0x0429, "fa\0  " },
    { 0x042a, "vi\0  " },
    { 0x042d, "eu\0  " },
    { 0x042f, "mk\0  " },
    { 0x0436, "af\0  " },
    { 0x0438, "fo\0  " },
    { 0x0439, "hi\0  " },
    { 0x043e, "ms\0  " },
    { 0x0458, "mt\0  " },
    { 0x0801, "ar_IQ" },
    { 0x0804, "zh_CN" },
    { 0x0807, "de_CH" },
    { 0x0809, "en_GB" },
    { 0x080a, "es_MX" },
    { 0x080c, "fr_BE" },
    { 0x0810, "it_CH" },
    { 0x0812, "ko\0  " },
    { 0x0813, "nl_BE" },
    { 0x0814, "no\0  " },
    { 0x0816, "pt\0  " },
    { 0x081a, "sr\0  " },
    { 0x081d, "sv_FI" },
    { 0x0c01, "ar_EG" },
    { 0x0c04, "zh_HK" },
    { 0x0c07, "de_AT" },
    { 0x0c09, "en_AU" },
    { 0x0c0a, "es\0  " },
    { 0x0c0c, "fr_CA" },
    { 0x0c1a, "sr\0  " },
    { 0x1001, "ar_LY" },
    { 0x1004, "zh_SG" },
    { 0x1007, "de_LU" },
    { 0x1009, "en_CA" },
    { 0x100a, "es_GT" },
    { 0x100c, "fr_CH" },
    { 0x1401, "ar_DZ" },
    { 0x1407, "de_LI" },
    { 0x1409, "en_NZ" },
    { 0x140a, "es_CR" },
    { 0x140c, "fr_LU" },
    { 0x1801, "ar_MA" },
    { 0x1809, "en_IE" },
    { 0x180a, "es_PA" },
    { 0x1c01, "ar_TN" },
    { 0x1c09, "en_ZA" },
    { 0x1c0a, "es_DO" },
    { 0x2001, "ar_OM" },
    { 0x2009, "en_JM" },
    { 0x200a, "es_VE" },
    { 0x2401, "ar_YE" },
    { 0x2409, "en\0  " },
    { 0x240a, "es_CO" },
    { 0x2801, "ar_SY" },
    { 0x2809, "en_BZ" },
    { 0x280a, "es_PE" },
    { 0x2c01, "ar_JO" },
    { 0x2c09, "en_TT" },
    { 0x2c0a, "es_AR" },
    { 0x3001, "ar_LB" },
    { 0x300a, "es_EC" },
    { 0x3401, "ar_KW" },
    { 0x340a, "es_CL" },
    { 0x3801, "ar_AE" },
    { 0x380a, "es_UY" },
    { 0x3c01, "ar_BH" },
    { 0x3c0a, "es_PY" },
    { 0x4001, "ar_QA" },
    { 0x400a, "es_BO" },
    { 0x440a, "es_SV" },
    { 0x480a, "es_HN" },
    { 0x4c0a, "es_NI" },
    { 0x500a, "es_PR" }
};

static const int windows_to_iso_count
    = sizeof(windows_to_iso_list)/sizeof(WindowsToISOListElt);

static const char *winLangCodeToIsoName(int code)
{
    int cmp = code - windows_to_iso_list[0].windows_code;
    if (cmp < 0)
        return 0;

    if (cmp == 0)
        return windows_to_iso_list[0].iso_name;

    int begin = 0;
    int end = windows_to_iso_count;

    while (end - begin > 1) {
        uint mid = (begin + end)/2;

        const WindowsToISOListElt *elt = windows_to_iso_list + mid;
        int cmp = code - elt->windows_code;
        if (cmp < 0)
            end = mid;
        else if (cmp > 0)
            begin = mid;
        else
            return elt->iso_name;
    }

    return 0;

}

static QString winIso639LangName(LCID id)
{
    QString result;

    // Windows returns the wrong ISO639 for some languages, we need to detect them here using
    // the language code
    QString lang_code;
    QT_WA({
        TCHAR out[256];
        if (GetLocaleInfoW(id, LOCALE_ILANGUAGE, out, 255))
            lang_code = QString::fromUtf16((ushort*)out);
    } , {
        char out[256];
        if (GetLocaleInfoA(id, LOCALE_ILANGUAGE, out, 255))
            lang_code = QString::fromLocal8Bit(out);
    });

    if (!lang_code.isEmpty()) {
        const char *endptr;
        bool ok;
        QByteArray latin1_lang_code = lang_code.toLatin1();
        int i = qstrtoull(latin1_lang_code, &endptr, 16, &ok);
        if (ok && *endptr == '\0') {
            switch (i) {
                case 0x814:
                    result = QLatin1String("nn"); // Nynorsk
                    break;
                default:
                    break;
            }
        }
    }

    if (!result.isEmpty())
        return result;

    // not one of the problematic languages - do the usual lookup
    QT_WA({
        TCHAR out[256];
        if (GetLocaleInfoW(id, LOCALE_SISO639LANGNAME , out, 255))
            result = QString::fromUtf16((ushort*)out);
    } , {
        char out[256];
        if (GetLocaleInfoA(id, LOCALE_SISO639LANGNAME, out, 255))
            result = QString::fromLocal8Bit(out);
    });

    return result;
}

static QString winIso3116CtryName(LCID id)
{
    QString result;

    QT_WA({
        TCHAR out[256];
        if (GetLocaleInfoW(id, LOCALE_SISO3166CTRYNAME, out, 255))
            result = QString::fromUtf16((ushort*)out);
    } , {
        char out[256];
        if (GetLocaleInfoA(id, LOCALE_SISO3166CTRYNAME, out, 255))
            result = QString::fromLocal8Bit(out);
    });

    return result;
}


#elif defined(Q_OS_MAC)
/******************************************************************************
** Wrappers for Mac locale system functions
*/

static QByteArray getMacLocaleName()
{
    QByteArray result = envVarLocale();

    if (result.isEmpty()) {
        QCFType<CFLocaleRef> l = CFLocaleCopyCurrent();
        CFStringRef locale = CFLocaleGetIdentifier(l);
        result = QCFString::toQString(locale).toUtf8();
    }
    return result;
}

static QString macMonthName(int month, bool short_format)
{
    month -= 1;
    if (month < 0 || month > 11)
        return QString();

#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
    if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
        QCFType<CFDateFormatterRef> formatter
            = CFDateFormatterCreate(0, QCFType<CFLocaleRef>(CFLocaleCopyCurrent()),
                                    kCFDateFormatterNoStyle,  kCFDateFormatterNoStyle);
        QCFType<CFArrayRef> values
            = static_cast<CFArrayRef>(CFDateFormatterCopyProperty(formatter,
                                      short_format ? kCFDateFormatterShortMonthSymbols
                                                   : kCFDateFormatterMonthSymbols));
        if (values != 0) {
            CFStringRef cfstring = static_cast<CFStringRef>(CFArrayGetValueAtIndex(values, month));
            return QCFString::toQString(cfstring);
        }
    }
#endif
    return QString();
}


static QString macDayName(int day, bool short_format)
{
    if (day < 1 || day > 7)
        return QString();

#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
    if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
        QCFType<CFDateFormatterRef> formatter
            = CFDateFormatterCreate(0, QCFType<CFLocaleRef>(CFLocaleCopyCurrent()),
                                    kCFDateFormatterNoStyle,  kCFDateFormatterNoStyle);
        QCFType<CFArrayRef> values = static_cast<CFArrayRef>(CFDateFormatterCopyProperty(formatter,
                                                short_format ? kCFDateFormatterShortWeekdaySymbols
                                                             : kCFDateFormatterWeekdaySymbols));
        if (values != 0) {
            CFStringRef cfstring = static_cast<CFStringRef>(CFArrayGetValueAtIndex(values, day % 7));
            return QCFString::toQString(cfstring);