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locale.d
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locale.d
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module internals.locale;
import system;
import system.globalization;
import system.runtime.interopservices;
import internals.interop;
import internals.kernel32;
import internals.utf;
import internals.xpsupport;
import internals.vistasupport;
import internals.checked;
import internals.core;
alias DownlevelLCIDToLocaleName = DllImport!("Nlsdl.dll", "DownlevelLCIDToLocaleName",
int function(in uint, wchar*, in int, in uint),
Charset.Unicode, true);
alias DownlevelLocaleNameToLCID = DllImport!("Nlsdl.dll", "DownlevelLocaleNameToLCID",
uint function(in wchar*, in uint) ,
Charset.Unicode, true);
final class LocaleData : SharpObject
{
private:
wstring localeName;
const(wchar)* zlocaleName;
uint localeID;
bool useLocaleName;
bool useUserOverride;
uint _nlsVersion = uint.max;
uint _nlsEffective;
Guid _nlsCustom;
static LocaleData _invariant;
static LocaleData _current;
static LocaleData _uiCurrent;
static CalendarData[uint] calendarDataMap;
void fillNlsVersion()
{
NLSVERSIONINFOEX viex;
if (useLocaleName)
{
if (GetNLSVersionEx(COMPARE_STRING, zlocaleName, viex) == 0)
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
_nlsVersion = viex.dwNLSVersion;
_nlsEffective = viex.dwEffectiveId;
_nlsCustom = viex.guidCustomVersion;
}
else
{
NLSVERSIONINFO vi;
if (!GetNLSVersion(COMPARE_STRING, localeID, vi) == 0)
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
_nlsVersion = vi.dwNLSVersion;
}
}
pure nothrow
void setLocaleName(wstring localeName)
{
if (localeName != this.localeName)
{
this.localeName = localeName;
zlocaleName = zeroTerminated(localeName);
}
}
wstring getLocaleName(uint lcid)
{
if (lcid == LOCALE_NEUTRAL)
return "";
wchar[LOCALE_NAME_MAX_LENGTH] buf;
int ret;
if (isWindows7OrGreater())
ret = LCIDToLocaleName(lcid, buf.ptr, LOCALE_NAME_MAX_LENGTH, LOCALE_ALLOW_NEUTRAL_NAMES);
else if (isWindowsVistaOrGreater())
ret = VistaLCIDToLocaleName(lcid, buf.ptr, LOCALE_NAME_MAX_LENGTH, LOCALE_ALLOW_NEUTRAL_NAMES);
else
ret = XpLCIDToLocaleName(lcid, buf.ptr, LOCALE_NAME_MAX_LENGTH, LOCALE_ALLOW_NEUTRAL_NAMES);
if (ret > 0)
return buf[0..ret - 1].idup;
return null;
}
static uint getLocaleId(wstring name)
{
if (name == "")
return LOCALE_INVARIANT;
uint lcid;
if (isWindows7OrGreater())
lcid = LocaleNameToLCID(name.zeroTerminated(), LOCALE_ALLOW_NEUTRAL_NAMES);
else if (isWindowsVistaOrGreater())
lcid = VistaLocaleNameToLCID(name.zeroTerminated(), LOCALE_ALLOW_NEUTRAL_NAMES);
else
lcid = XpLocaleNameToLCID(name.zeroTerminated(), LOCALE_ALLOW_NEUTRAL_NAMES);
return lcid;
}
wstring getLocaleInfoStr(in int lc, bool fail = true)
{
int ret = useLocaleName ?
GetLocaleInfoEx(zlocaleName, lc | (!useUserOverride ? LOCALE_NOUSEROVERRIDE : 0), null, 0):
XpGetLocaleInfoW(localeID, lc | (!useUserOverride ? LOCALE_NOUSEROVERRIDE : 0), null, 0);
if (ret == 0 && fail)
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
if (ret == 0)
return null;
wchar[] result = new wchar[ret];
ret = useLocaleName ?
GetLocaleInfoEx(zlocaleName, lc | (!useUserOverride ? LOCALE_NOUSEROVERRIDE : 0), result.ptr, ret):
XpGetLocaleInfoW(localeID, lc | (!useUserOverride ? LOCALE_NOUSEROVERRIDE : 0), result.ptr, ret);
if (ret == 0 && fail)
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
if (ret == 0)
return null;
return cast(wstring)result[0 .. ret - 1];
}
int getLocaleInfoInt(in int lc)
{
wchar[2] result;
int ret = useLocaleName ?
GetLocaleInfoEx(zlocaleName, lc | LOCALE_RETURN_NUMBER |
(!useUserOverride ? LOCALE_NOUSEROVERRIDE : 0), result.ptr, 2) :
XpGetLocaleInfoW(localeID, lc | LOCALE_RETURN_NUMBER |
(!useUserOverride ? LOCALE_NOUSEROVERRIDE : 0), result.ptr, 2);
if (ret == 0)
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
return *cast(int*)(result.ptr);
}
pure @safe nothrow @nogc
static uint getCompareFlags(CompareOptions options)
{
uint flags = NORM_LINGUISTIC_CASING;
if ((options & CompareOptions.IgnoreCase) != 0)
flags |= NORM_IGNORECASE;
if ((options & CompareOptions.IgnoreKanaType) != 0)
flags |= NORM_IGNOREKANATYPE;
if ((options & CompareOptions.IgnoreNonSpace) != 0)
flags |= NORM_IGNORENONSPACE;
if ((options & CompareOptions.IgnoreSymbols) != 0)
flags |= NORM_IGNORESYMBOLS;
if ((options & CompareOptions.IgnoreWidth) != 0)
flags |= NORM_IGNOREWIDTH;
if ((options & CompareOptions.StringSort) != 0)
flags |= SORT_STRINGSORT;
return flags;
}
public:
bool init(wstring localeName, bool fallback)
{
useLocaleName = true;
setLocaleName(localeName);
if (isWindowsVistaOrGreater())
{
if (localeName.length == 0 || IsValidLocaleName(zlocaleName) != 0)
{
this.localeID = isWindows7OrGreater() ?
LocaleNameToLCID(zlocaleName, LOCALE_ALLOW_NEUTRAL_NAMES) :
VistaLocaleNameToLCID(zlocaleName, LOCALE_ALLOW_NEUTRAL_NAMES);
return true;
}
return false;
}
else if (fallback)
{
useLocaleName = false;
if (localeName.length == 0)
return init(LOCALE_INVARIANT, false);
uint lcid = getLocaleId(localeName);
if (lcid != 0)
return init(lcid, false);
return false;
}
return false;
}
bool init(uint lcid, bool fallback)
{
localeID = lcid;
if (isWindowsVistaOrGreater() && fallback)
{
wstring lname = getLocaleName(lcid);
setLocaleName(lname);
if (lname !is null)
return init(this.localeName, false);
}
useLocaleName = false;
if (IsValidLocale(lcid, LCID_SUPPORTED) != 0)
{
setLocaleName(getLocaleName(lcid));
return true;
}
return false;
}
this(wstring cultureName, bool useUserOverride)
{
if (!init(cultureName, true))
throw new CultureNotFoundException("cultureName", null, localeName);
this.useUserOverride = useUserOverride;
}
this(uint lcid, bool useUserOverride)
{
if (!init(lcid, true))
throw new CultureNotFoundException("lcid", null, lcid);
this.useUserOverride = useUserOverride;
}
wstring toUppercase(in wchar[] ws) const
{
int ret = useLocaleName ?
LCMapStringEx(zlocaleName, LCMAP_UPPERCASE | LCMAP_LINGUISTIC_CASING, ws.ptr, safe32bit(ws.length), null, 0, null, null, 0) :
LCMapStringW(localeID, LCMAP_UPPERCASE | LCMAP_LINGUISTIC_CASING, ws.ptr, safe32bit(ws.length), null, 0);
if (ret == 0)
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
wchar[] result = new wchar[ret];
ret = useLocaleName ?
LCMapStringEx(zlocaleName, LCMAP_UPPERCASE | LCMAP_LINGUISTIC_CASING, ws.ptr, safe32bit(ws.length), result.ptr, safe32bit(result.length), null, null, 0) :
LCMapStringW(localeID, LCMAP_UPPERCASE | LCMAP_LINGUISTIC_CASING, ws.ptr, safe32bit(ws.length), result.ptr, safe32bit(result.length));
if (ret == 0)
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
return cast(wstring)result[0 .. ret];
}
wstring toLowercase(wstring ws) const
{
int ret = useLocaleName ?
LCMapStringEx(zlocaleName, LCMAP_LOWERCASE | LCMAP_LINGUISTIC_CASING, ws.ptr, safe32bit(ws.length), null, 0, null, null, 0) :
LCMapStringW(localeID, LCMAP_LOWERCASE | LCMAP_LINGUISTIC_CASING, ws.ptr, safe32bit(ws.length), null, 0);
if (ret == 0)
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
wchar[] result = new wchar[ret];
ret = useLocaleName ?
LCMapStringEx(zlocaleName, LCMAP_LOWERCASE | LCMAP_LINGUISTIC_CASING, ws.ptr, safe32bit(ws.length), result.ptr, safe32bit(result.length), null, null, 0) :
LCMapStringW(localeID, LCMAP_LOWERCASE | LCMAP_LINGUISTIC_CASING, ws.ptr, safe32bit(ws.length), result.ptr, safe32bit(result.length));
if (ret == 0)
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
return cast(wstring)result[0 .. ret];
}
wstring toTitlecase(wstring ws) const
{
if (!isWindows7OrGreater())
return null;
int ret = useLocaleName ?
LCMapStringEx(zlocaleName, LCMAP_TITLECASE, ws.ptr, safe32bit(ws.length), null, 0, null, null, 0) :
LCMapStringW(localeID, LCMAP_TITLECASE, ws.ptr, safe32bit(ws.length), null, 0);
if (ret == 0)
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
wchar[] result = new wchar[ret];
ret = useLocaleName ?
LCMapStringEx(zlocaleName, LCMAP_TITLECASE, ws.ptr, safe32bit(ws.length), result.ptr, safe32bit(result.length), null, null, 0) :
LCMapStringW(localeID, LCMAP_TITLECASE, ws.ptr, safe32bit(ws.length), result.ptr, safe32bit(result.length));
if (ret == 0)
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
return cast(wstring)result[0 .. ret];
}
@property
int iDefaultAnsiCodePage()
{
return getLocaleInfoInt(LOCALE_IDEFAULTANSICODEPAGE);
}
@property
int iDefaultEBCDICCodePage()
{
return getLocaleInfoInt(LOCALE_IDEFAULTEBCDICCODEPAGE);
}
@property
int iDefaultOEMCodePage()
{
return getLocaleInfoInt(LOCALE_IDEFAULTCODEPAGE);
}
@property
int iDefaultMACCodePage()
{
return getLocaleInfoInt(LOCALE_IDEFAULTMACCODEPAGE);
}
@property
int iReadingLayout()
{
static immutable uint[] rlCultures =
[
0x0001, 0x000D, 0x0020, 0x0029, 0x0059, 0x005A, 0x0063, 0x0065, 0x0080,
0x008C, 0x0092, 0x0401, 0x040D, 0x0420, 0x0429, 0x045A, 0x0463, 0x0465,
0x0480, 0x048C, 0x0492, 0x0801, 0x0820, 0x0846, 0x0859, 0x0C01, 0x1000,
0x1000, 0x1001, 0x1401, 0x1801, 0x1C01, 0x2001, 0x2401, 0x2801, 0x2C01,
0x3001, 0x3401, 0x3801, 0x3C01, 0x4001, 0x7C46, 0x7C59, 0x7C92,
];
if (isWindows7OrGreater())
return getLocaleInfoInt(LOCALE_IREADINGLAYOUT);
else
return binarySearch(rlCultures, localeID) >= 0 ? 1 : 0;
}
@property
wstring sList()
{
return getLocaleInfoStr(LOCALE_SLIST);
}
@property pure @safe nothrow @nogc
int lcid() const
{
return localeID;
}
@property
wstring sName()
{
return getLocaleInfoStr(LOCALE_SNAME);
}
@property
wstring sISO3166Country()
{
return getLocaleInfoStr(LOCALE_SISO3166CTRYNAME);
}
@property
wstring sISO639Lang()
{
return getLocaleInfoStr(LOCALE_SISO639LANGNAME);
}
@property
wstring sDecimal()
{
return getLocaleInfoStr(LOCALE_SDECIMAL);
}
@property
wstring sMonDecimalSep()
{
return getLocaleInfoStr(LOCALE_SMONDECIMALSEP);
}
@property
wstring sGrouping()
{
return getLocaleInfoStr(LOCALE_SGROUPING);
}
@property
wstring sMonGrouping()
{
return getLocaleInfoStr(LOCALE_SMONGROUPING);
}
@property
wstring sCurrency()
{
return getLocaleInfoStr(LOCALE_SCURRENCY);
}
@property
wstring sNan()
{
return getLocaleInfoStr(LOCALE_SNAN);
}
@property
wstring sPercent()
{
return getLocaleInfoStr(LOCALE_SPERCENT);
}
@property
wstring sPermille()
{
return getLocaleInfoStr(LOCALE_SPERMILLE);
}
@property
wstring sThousand()
{
return getLocaleInfoStr(LOCALE_STHOUSAND);
}
@property
wstring sMonThousandSep()
{
return getLocaleInfoStr(LOCALE_SMONTHOUSANDSEP);
}
@property
wstring sPositiveSign()
{
return getLocaleInfoStr(LOCALE_SPOSITIVESIGN);
}
@property
wstring sNegativeSign()
{
return getLocaleInfoStr(LOCALE_SNEGATIVESIGN);
}
@property
wstring sNegInfinity()
{
return getLocaleInfoStr(LOCALE_SNEGINFINITY);
}
@property
wstring sPosInfinity()
{
return getLocaleInfoStr(LOCALE_SPOSINFINITY);
}
@property
wstring sNativeDigits()
{
return getLocaleInfoStr(LOCALE_SNATIVEDIGITS);
}
@property
int iDigits()
{
return getLocaleInfoInt(LOCALE_IDIGITS);
}
@property
int iCurrDigits()
{
return getLocaleInfoInt(LOCALE_ICURRDIGITS);
}
@property
int iNegCurr()
{
return getLocaleInfoInt(LOCALE_INEGCURR);
}
@property
int iNegNumber()
{
return getLocaleInfoInt(LOCALE_INEGNUMBER);
}
@property
int iNegPercent()
{
return isWindows7OrGreater() ? getLocaleInfoInt(LOCALE_INEGATIVEPERCENT) : 0;
}
@property
int iPosPercent()
{
return isWindows7OrGreater() ? getLocaleInfoInt(LOCALE_IPOSITIVEPERCENT) : 0;
}
@property
int iDigitSubstitution()
{
return getLocaleInfoInt(LOCALE_IDIGITSUBSTITUTION);
}
@property int iCurrency()
{
return getLocaleInfoInt(LOCALE_ICURRENCY);
}
@property
static LocaleData invariant_()
{
if (_invariant is null)
_invariant = new LocaleData("", false);
return _invariant;
}
@property
static LocaleData current()
{
if (_current is null)
{
if (isWindowsVistaOrGreater())
{
wchar[LOCALE_NAME_MAX_LENGTH] buf;
int ret = GetUserDefaultLocaleName(buf.ptr, LOCALE_NAME_MAX_LENGTH);
if (ret > 0)
{
_current = new LocaleData(buf[0..ret - 1].idup, true);
return _current;
}
}
_current = new LocaleData(GetUserDefaultLCID(), true);
}
return _current;
}
@property
static LocaleData uiCurrent()
{
if (_uiCurrent is null)
_uiCurrent = new LocaleData(GetUserDefaultUILanguage(), true);
return _uiCurrent;
}
int compare(wstring s1, wstring s2, CompareOptions options) const
{
int result = useLocaleName ?
CompareStringEx(zlocaleName, getCompareFlags(options), s1.ptr, safe32bit(s1.length), s2.ptr, safe32bit(s2.length), null, null, 0) :
CompareStringW(localeID, getCompareFlags(options), s1.ptr, safe32bit(s1.length), s2.ptr, safe32bit(s2.length));
if (result == 1)
return -1;
else if (result == 2)
return 0;
else if (result == 3)
return 1;
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
assert(false);
}
int IndexOf(wstring s1, wstring s2, CompareOptions options) const
{
uint flags = getCompareFlags(options) | FIND_FROMSTART;
int result = useLocaleName ?
FindNLSStringEx(zlocaleName, flags, s1.ptr, safe32bit(s1.length), s2.ptr, safe32bit(s2.length), null, null, null, 0) :
FindNLSString(localeID, flags, s1.ptr, safe32bit(s1.length), s2.ptr, safe32bit(s2.length), null);
if (result >= 0)
return result;
if (Marshal.GetLastWin32Error() == 0)
return -1;
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
assert(false);
}
int LastIndexOf(wstring s1, wstring s2, CompareOptions options) const
{
uint flags = getCompareFlags(options) | FIND_FROMEND;
int result = useLocaleName ?
FindNLSStringEx(zlocaleName, flags, s1.ptr, safe32bit(s1.length), s2.ptr, safe32bit(s2.length), null, null, null, 0) :
FindNLSString(localeID, flags, s1.ptr, safe32bit(s1.length), s2.ptr, safe32bit(s2.length), null);
if (result >= 0)
return result;
if (Marshal.GetLastWin32Error() == 0)
return -1;
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
assert(false);
}
bool IsPrefix(wstring s1, wstring s2, CompareOptions options) const
{
uint flags = getCompareFlags(options) | FIND_STARTSWITH;
int result = useLocaleName ?
FindNLSStringEx(zlocaleName, flags, s1.ptr, safe32bit(s1.length), s2.ptr, safe32bit(s2.length), null, null, null, 0) :
FindNLSString(localeID, flags, s1.ptr, safe32bit(s1.length), s2.ptr, safe32bit(s2.length), null);
return result >= 0;
}
bool IsSuffix(wstring s1, wstring s2, CompareOptions options) const
{
uint flags = getCompareFlags(options) | FIND_ENDSWITH;
int result = useLocaleName ?
FindNLSStringEx(zlocaleName, flags, s1.ptr, safe32bit(s1.length), s2.ptr, safe32bit(s2.length), null, null, null, 0) :
FindNLSString(localeID, flags, s1.ptr, safe32bit(s1.length), s2.ptr, safe32bit(s2.length), null);
return result >= 0;
}
ubyte[] GetSortKey(wstring ws, CompareOptions options) const
{
uint flags = getCompareFlags(options) | LCMAP_SORTKEY;
int ret = useLocaleName ?
LCMapStringEx(zlocaleName, flags, ws.ptr, safe32bit(ws.length), null, 0, null, null, 0) :
LCMapStringW(localeID, flags, ws.ptr, safe32bit(ws.length), null, 0);
if (ret > 0)
{
ubyte[] buf = new ubyte[ret];
ret = useLocaleName ?
LCMapStringEx(zlocaleName, flags, ws.ptr, safe32bit(ws.length), cast(wchar*)buf, ret, null, null, 0) :
LCMapStringW(localeID, flags, ws.ptr, safe32bit(ws.length), cast(wchar*)buf, ret);
return buf[0 .. ret - 1];
}
return null;
}
@property
wstring sSortLocale()
{
return isWindows7OrGreater() ? getLocaleInfoStr(LOCALE_SSORTLOCALE) : sName;
}
@property
uint nlsVersion()
{
if (_nlsVersion == uint.max)
fillNlsVersion();
return _nlsVersion;
}
@property
uint nlsEffective()
{
if (_nlsVersion == uint.max)
fillNlsVersion();
return _nlsEffective;
}
@property
Guid nlsCustom()
{
if (_nlsVersion == uint.max)
fillNlsVersion();
return _nlsCustom;
}
wstring[] getDateFormats(in uint flags, in uint calID)
{
static wstring[] sresult;
static int targetCal;
extern(Windows) static int enumDateEx(in wchar* info, in uint calID, in size_t lParam)
{
if (targetCal == 0 || calID == targetCal)
{
int len = lstrlenW(info);
sresult ~= info[0..len].idup;
}
return 1;
}
extern(Windows) static int enumDate(in wchar* info, in uint calID)
{
if (targetCal == 0 || calID == targetCal)
{
int len = lstrlenW(info);
sresult ~= info[0..len].idup;
}
return 1;
}
sresult = null;
targetCal = calID;
if (isWindowsVistaOrGreater())
EnumDateFormatsExEx(&enumDateEx, zlocaleName, flags , 0);
else
EnumDateFormatsExW(&enumDate, localeID, flags);
return sresult;
}
wstring[] getTimeFormats(in uint flags)
{
static wstring[] sresult;
extern(Windows) static int enumTimeEx(in wchar* info, in size_t lParam)
{
int len = lstrlenW(info);
sresult ~= info[0..len].idup;
return 1;
}
extern(Windows) static int enumTime(in wchar* info)
{
int len = lstrlenW(info);
sresult ~= info[0..len].idup;
return 1;
}
sresult = null;
if (isWindowsVistaOrGreater())
EnumTimeFormatsEx(&enumTimeEx, zlocaleName, flags, 0);
else
EnumTimeFormatsW(&enumTime, localeID, flags);
return sresult;
}
CalendarData getCalendarData(uint calID)
{
auto p = calID in calendarDataMap;
if (p)
return *p;
if (!isCalendarAvailable(calID))
return null;
auto cd = new CalendarData(this, calID);
calendarDataMap[calID] = cd;
return cd;
}
bool isCalendarAvailable(uint calID)
{
static bool isAvailable;
static uint cid;
extern(Windows) static int enumCalendarProc(in wchar* info, in uint calInfo)
{
isAvailable = calInfo == cid;
return isAvailable ? 0 : 1;
}
extern(Windows) static int enumCalendarProcEx(in wchar* info, in uint calInfo, in wchar* reserved, in size_t lParam)
{
isAvailable = calInfo == cid;
return isAvailable ? 0 : 1;
}
isAvailable = getLocaleInfoInt(LOCALE_ICALENDARTYPE) == calID;
if (isAvailable)
return true;
cid = calID;
if (useLocaleName)
EnumCalendarInfoExEx(&enumCalendarProcEx, zlocaleName, ENUM_ALL_CALENDARS, null, CAL_ICALINTVALUE, 0);
else
EnumCalendarInfoExW(&enumCalendarProc, localeID, ENUM_ALL_CALENDARS, CAL_ICALINTVALUE);
return isAvailable;
}
wstring[] getLongTimeFormats()
{
wstring[] result = getTimeFormats(0);
wstring r = getLocaleInfoStr(LOCALE_STIMEFORMAT, false);
if (r.length > 0)
{
bool alreadyIn = false;
foreach(s; result)
if (s == r)
{
alreadyIn = true;
break;
}
if (!alreadyIn)
result = r ~ result;
}
return result;
}
wstring[] getShortTimeFormats()
{
wstring[] result;
if (isWindows7OrGreater())
{
result = getTimeFormats(TIME_NOSECONDS);
wstring r = getLocaleInfoStr(LOCALE_SSHORTTIME, false);
if (r.length > 0)
{
bool alreadyIn = false;
foreach(s; result)
if (s == r)
{
alreadyIn = true;
break;
}
if (!alreadyIn)
result = r ~ result;
}
}
if (result.length > 0)
return result;
return ["HH:mm"];
}
@property wstring s1159()
{
return getLocaleInfoStr(LOCALE_S1159);
}
@property wstring s2359()
{
return getLocaleInfoStr(LOCALE_S2359);
}
@property int iFirstWeekOfYear()
{
return getLocaleInfoInt(LOCALE_IFIRSTWEEKOFYEAR);
}
@property int iFirstDayOfWeek()
{
return getLocaleInfoInt(LOCALE_IFIRSTDAYOFWEEK);
}
}
int InternalLCIDToLocaleName(in uint lcid, wchar* lpName, in int cchName, in uint dwFlags)
{
if (lcid == LOCALE_USER_DEFAULT)
return InternalLCIDToLocaleName(GetUserDefaultLCID(), lpName, cchName, dwFlags);
if (lcid == LOCALE_SYSTEM_DEFAULT)
return InternalLCIDToLocaleName(GetSystemDefaultLCID(), lpName, cchName, dwFlags);
if (lcid == LOCALE_INVARIANT)
{
if (cchName < 1)
{
SetLastError(122);
return 0;
}
*lpName = 0;
return 1;
}
bool isNeutral = (lcid & 0x03ff) == lcid;
if (isNeutral && (dwFlags & LOCALE_ALLOW_NEUTRAL_NAMES) == 0)
{
SetLastError(87);
return 0;
}
int result;
int cch = cchName;
int ret = GetLocaleInfoW(lcid, LOCALE_SISO639LANGNAME, null, 0);
if (ret <= 0)
return ret;
if (cch < ret)
{
SetLastError(122);
return 0;
}
GetLocaleInfoW(lcid, LOCALE_SISO639LANGNAME, lpName, cch);
if (isNeutral)
return ret;
if (ret == 3 && lpName[0 .. 2] == "iv"w)
{
*lpName++ = 'x';
*lpName = 0;
lpName--;
ret--;
}
result = ret;
cch -= ret;
lpName += ret;
wstring script;
if (lcid == 0x0000742 || lcid == 0x0000082 || lcid == 0x0000641A || lcid == 0x0000201A ||
lcid == 0x000061A || lcid == 0x000011A || lcid == 0x000001A || lcid == 0x0000301A ||
lcid == 0x0000281A || lcid == 0x0000728 || lcid == 0x00000428 || lcid == 0x00007843 ||
lcid == 0x00000843)
script = "yrl";
else if (lcid == 0x0000782 || lcid == 0x0000042 || lcid == 0x0000681A || lcid == 0x0000141A ||
lcid == 0x0000767 || lcid == 0x00000867 || lcid == 0x0000768 || lcid == 0x00000468 ||
lcid == 0x000075D || lcid == 0x0000085D || lcid == 0x00001000 || lcid == 0x0000701A ||
lcid == 0x0000181A || lcid == 0x0000081A || lcid == 0x000021A || lcid == 0x0000241A ||
lcid == 0x000075F || lcid == 0x0000085F || lcid == 0x0000743 || lcid == 0x00000443)
script = "Latn";
else if (lcid == 0x0000785D || lcid == 0x0000045D)
script = "ans";
else if (lcid == 0x0000792 || lcid == 0x00000492 || lcid == 0x0000746 || lcid == 0x00000846 ||
lcid == 0x0000759 || lcid == 0x00000859)
script = "Arab";
else if (lcid == 0x0000750 || lcid == 0x00000850 || lcid == 0x0000050)
script = "Mong";
else if (lcid == 0x0000785F || lcid == 0x0000105F)
script = "Tfng";
else if (lcid == 0x0000045)
script = "her";
if (script.length > 0)
{
lpName--;
*lpName++ = '-';
if (cch < 5)
{
SetLastError(122);
return 0;
}
lpName[0 .. 4] = script[0 .. 4];
lpName += 4;
*lpName++ = 0;
cch -= 5;
result += 5;
}
ret = GetLocaleInfoW(lcid, LOCALE_SISO3166CTRYNAME, null, 0);
if (ret <= 0)
return ret;
if (cch < ret)
{
SetLastError(122);
return 0;
}
lpName--;
*lpName++ = '-';
GetLocaleInfoW(lcid, LOCALE_SISO3166CTRYNAME, lpName, cch);
cch -= ret;
result += ret;
lpName += ret;
if (lcid == 0x00000803)
{
if (cch < 9)
{
SetLastError(122);
return 0;
}
lpName--;
lpName[0 .. 9] = "-valencia"w;
lpName += 9;
cch -= 0;
result += 9;
*lpName++ = 0;
}
wstring sort;
if (lcid == 0x00010407)
sort = "phoneb";
else if (lcid == 0x0000040A)
sort = "tradnl";
else if (lcid == 0x0001040E)
sort = "technl";
else if (lcid == 0x00010437)
sort = "modern";
else if (lcid == 0x00020804 || lcid == 0x00021404 || lcid == 0x00021004)
sort = "stroke";
else if (lcid == 0x00040411 || lcid == 0x00040c04 || lcid == 0x00041404 || lcid == 0x00040404)
sort = "radstr";
else if (lcid == 0x0001007f)
sort = "mathan";
else if (lcid == 0x00030404)
sort = "pronun";
if (sort.length > 0)
{
lpName--;
*lpName++ = '_';
if (cch < 7)
{
SetLastError(122);
return 0;
}
lpName[0 .. 6] = sort[0 .. 6];
lpName += 6;
*lpName++ = 0;
cch -= 7;
result += 7;
}
return result;
}
int InternalLocaleNameToLCID(in wchar* lpName, in uint dwFlags)
{
static wchar[] buf = new wchar[85];
static wchar* lpn;
static uint result = 0;
extern(Windows) static int enumLocalesProc(in wchar* lpLID)
{
wstring r;
uint lcid = 0;
wchar* lp = cast(wchar*)lpLID;
wchar c = *lp;
while (c != 0)
{
if (c <= '9')
lcid = lcid * 16 + c - '0';
else if (c <= 'F')
lcid = lcid * 16 + c - 'A' + 10;
else
lcid = lcid * 16 + c - 'a' + 10;
c = *lp++;
}
int ret = InternalLCIDToLocaleName(lcid, buf.ptr, 85, LOCALE_ALLOW_NEUTRAL_NAMES);
if (ret > 0 && lstrcmpiW(buf.ptr, lpn) == 0)
{
result = lcid;
return 0;
}
ret = InternalLCIDToLocaleName(lcid & 0x3ff, buf.ptr, 85, LOCALE_ALLOW_NEUTRAL_NAMES);
if (ret > 0 && lstrcmpiW(buf.ptr, lpn) == 0)
{
result = lcid & 0x3ff;
return 0;
}
return 1;
}
if (lpName is null)
return GetUserDefaultLCID();
if (lstrcmpiW(lpName, "!x-sys-default-locale") == 0)
return GetSystemDefaultLCID();