private static int NlsGetCalendars(string localeName, bool useUserOverride, CalendarId[] calendars)
{
NlsEnumCalendarsData data = default;
data.userOverride = 0;
data.calendars = new List <int>();
// First call GetLocaleInfo if necessary
if (useUserOverride)
{
// They want user overrides, see if the user calendar matches the input calendar
int userCalendar = CultureData.GetLocaleInfoExInt(localeName, LOCALE_ICALENDARTYPE);
// If we got a default, then use it as the first calendar
if (userCalendar != 0)
{
data.userOverride = userCalendar;
data.calendars.Add(userCalendar);
}
}
unsafe
{
Interop.Kernel32.EnumCalendarInfoExEx(&EnumCalendarsCallback, localeName, ENUM_ALL_CALENDARS, null, CAL_ICALINTVALUE, Unsafe.AsPointer(ref data));
}
// Copy to the output array
for (int i = 0; i < Math.Min(calendars.Length, data.calendars.Count); i++)
{
calendars[i] = (CalendarId)data.calendars[i];
}
// Now we have a list of data, return the count
return(data.calendars.Count);
}
private bool LoadCalendarDataFromSystemCore(string localeName, CalendarId calendarId)
{
Debug.Assert(!GlobalizationMode.Invariant);
if (GlobalizationMode.UseNls)
{
return(NlsLoadCalendarDataFromSystem(localeName, calendarId));
}
// If running using ICU on Windows we should honor user overrides using NLS and the rest from ICU
bool result = IcuLoadCalendarDataFromSystem(localeName, calendarId);
if (result && bUseUserOverrides)
{
NormalizeCalendarId(ref calendarId, ref localeName);
result &= CallGetCalendarInfoEx(localeName, calendarId, CAL_ITWODIGITYEARMAX, out this.iTwoDigitYearMax);
// They want user overrides, see if the user calendar matches the input calendar
CalendarId userCalendar = (CalendarId)CultureData.GetLocaleInfoExInt(localeName, LOCALE_ICALENDARTYPE);
// If the calendars were the same, see if the locales were the same
if (userCalendar == calendarId)
{
string?shortDateOverride = CultureData.ReescapeWin32String(CultureData.GetLocaleInfoEx(localeName, LOCALE_SSHORTDATE));
string?longDateOverride = CultureData.ReescapeWin32String(CultureData.GetLocaleInfoEx(localeName, LOCALE_SLONGDATE));
InsertOrSwapOverride(shortDateOverride, ref this.saShortDates);
InsertOrSwapOverride(longDateOverride, ref this.saLongDates);
}
}
return(result);
}
private static unsafe bool CallEnumCalendarInfo(string localeName, CalendarId calendar, uint calType, uint lcType, out string[]?data)
{
EnumData context = default;
context.userOverride = null;
context.strings = new List <string>();
// First call GetLocaleInfo if necessary
if ((lcType != 0) && ((lcType & CAL_NOUSEROVERRIDE) == 0))
{
// They want user overrides, see if the user calendar matches the input calendar
CalendarId userCalendar = (CalendarId)CultureData.GetLocaleInfoExInt(localeName, LOCALE_ICALENDARTYPE);
// If the calendars were the same, see if the locales were the same
if (userCalendar == calendar)
{
// They matched, get the user override since locale & calendar match
string?res = CultureData.GetLocaleInfoEx(localeName, lcType);
// if it succeeded remember the override for the later callers
if (res != null)
{
// Remember this was the override (so we can look for duplicates later in the enum function)
context.userOverride = res;
// Add to the result strings.
context.strings.Add(res);
}
}
}
// Now call the enumeration API. Work is done by our callback function
Interop.Kernel32.EnumCalendarInfoExEx(&EnumCalendarInfoCallback, localeName, (uint)calendar, null, calType, Unsafe.AsPointer(ref context));
// Now we have a list of data, fail if we didn't find anything.
Debug.Assert(context.strings != null);
if (context.strings.Count == 0)
{
data = null;
return(false);
}
string[] output = context.strings.ToArray();
if (calType == CAL_SABBREVERASTRING || calType == CAL_SERASTRING)
{
// Eras are enumerated backwards. (oldest era name first, but
// Japanese calendar has newest era first in array, and is only
// calendar with multiple eras)
Array.Reverse(output, 0, output.Length);
}
data = output;
return(true);
}
private static CultureInfo NlsGetPredefinedCultureInfo(string name)
{
Debug.Assert(GlobalizationMode.UseNls);
if (CultureData.GetLocaleInfoExInt(name, Interop.Kernel32.LOCALE_ICONSTRUCTEDLOCALE) == 1)
{
throw new CultureNotFoundException(nameof(name), SR.Format(SR.Argument_InvalidPredefinedCultureName, name));
}
return(GetCultureInfo(name));
}
// Call native side to figure out which calendars are allowed
internal static int GetCalendars(String localeName, bool useUserOverride, CalendarId[] calendars)
{
Debug.Assert(!GlobalizationMode.Invariant);
EnumCalendarsData data = new EnumCalendarsData();
data.userOverride = 0;
data.calendars = new IntList();
// First call GetLocaleInfo if necessary
if (useUserOverride)
{
// They want user overrides, see if the user calendar matches the input calendar
int userCalendar = CultureData.GetLocaleInfoExInt(localeName, LOCALE_ICALENDARTYPE);
// If we got a default, then use it as the first calendar
if (userCalendar != 0)
{
data.userOverride = userCalendar;
data.calendars.Add(userCalendar);
}
}
GCHandle contextHandle = GCHandle.Alloc(data);
try
{
// Now call the enumeration API. Work is done by our callback function
#if CORECLR
Interop.Kernel32.EnumCalendarInfoExEx(EnumCalendarsCallback, localeName, ENUM_ALL_CALENDARS, null, CAL_ICALINTVALUE, (IntPtr)contextHandle);
#else
IntPtr callback = AddrofIntrinsics.AddrOf <Func <IntPtr, uint, IntPtr, IntPtr, Interop.BOOL> >(EnumCalendarsCallback);
Interop.Kernel32.EnumCalendarInfoExEx(callback, localeName, ENUM_ALL_CALENDARS, null, CAL_ICALINTVALUE, (IntPtr)contextHandle);
#endif
}
finally
{
contextHandle.Free();
}
// Copy to the output array
for (int i = 0; i < Math.Min(calendars.Length, data.calendars.Count); i++)
{
calendars[i] = (CalendarId)data.calendars[i];
}
// Now we have a list of data, return the count
return(data.calendars.Count);
}
internal static int GetCalendarsCore(string localeName, bool useUserOverride, CalendarId[] calendars)
{
Debug.Assert(!GlobalizationMode.Invariant);
if (GlobalizationMode.UseNls)
{
return(NlsGetCalendars(localeName, useUserOverride, calendars));
}
int count = IcuGetCalendars(localeName, calendars);
if (useUserOverride)
{
// They want user overrides, see if the user calendar matches the input calendar
int userCalendar = CultureData.GetLocaleInfoExInt(localeName, LOCALE_ICALENDARTYPE);
if (userCalendar != 0 && (CalendarId)userCalendar != calendars[0])
{
CalendarId userOverride = (CalendarId)userCalendar;
for (int i = 1; i < calendars.Length; i++)
{
if (calendars[i] == userOverride)
{
CalendarId tmp = calendars[0];
calendars[0] = userOverride;
calendars[i] = tmp;
return(count);
}
}
// We didn't find it, we insert it at the beginning of the array. If calendar's array is full, we drop the last element.
count = count < calendars.Length ? count + 1 : count;
Span <CalendarId> tmpSpan = stackalloc CalendarId[count]; // should be 23 max.
tmpSpan[0] = userOverride;
calendars.AsSpan(0, count - 1).CopyTo(tmpSpan.Slice(1));
tmpSpan.CopyTo(calendars);
}
}
return(count);
}
internal static bool NlsIsEnsurePredefinedLocaleName(string name)
{
Debug.Assert(GlobalizationMode.UseNls);
return(CultureData.GetLocaleInfoExInt(name, Interop.Kernel32.LOCALE_ICONSTRUCTEDLOCALE) != 1);
}
private static unsafe bool CallEnumCalendarInfo(string localeName, CalendarId calendar, uint calType, uint lcType, out string[] data)
{
EnumData context = new EnumData();
context.userOverride = null;
context.strings = new StringList();
// First call GetLocaleInfo if necessary
if (((lcType != 0) && ((lcType & CAL_NOUSEROVERRIDE) == 0)) &&
// Get user locale, see if it matches localeName.
// Note that they should match exactly, including letter case
GetUserDefaultLocaleName() == localeName)
{
// They want user overrides, see if the user calendar matches the input calendar
CalendarId userCalendar = (CalendarId)CultureData.GetLocaleInfoExInt(localeName, LOCALE_ICALENDARTYPE);
// If the calendars were the same, see if the locales were the same
if (userCalendar == calendar)
{
// They matched, get the user override since locale & calendar match
string res = CultureData.GetLocaleInfoEx(localeName, lcType);
// if it succeeded remember the override for the later callers
if (res != "")
{
// Remember this was the override (so we can look for duplicates later in the enum function)
context.userOverride = res;
// Add to the result strings.
context.strings.Add(res);
}
}
}
GCHandle contextHandle = GCHandle.Alloc(context);
try
{
#if CORECLR
Interop.Kernel32.EnumCalendarInfoExEx(EnumCalendarInfoCallback, localeName, (uint)calendar, null, calType, (IntPtr)contextHandle);
#else
// Now call the enumeration API. Work is done by our callback function
IntPtr callback = AddrofIntrinsics.AddrOf <Func <IntPtr, uint, IntPtr, IntPtr, Interop.BOOL> >(EnumCalendarInfoCallback);
Interop.Kernel32.EnumCalendarInfoExEx(callback, localeName, (uint)calendar, null, calType, (IntPtr)contextHandle);
#endif // CORECLR
}
finally
{
contextHandle.Free();
}
// Now we have a list of data, fail if we didn't find anything.
if (context.strings.Count == 0)
{
data = null;
return(false);
}
string[] output = context.strings.ToArray();
if (calType == CAL_SABBREVERASTRING || calType == CAL_SERASTRING)
{
// Eras are enumerated backwards. (oldest era name first, but
// Japanese calendar has newest era first in array, and is only
// calendar with multiple eras)
Array.Reverse(output, 0, output.Length);
}
data = output;
return(true);
}
