private static int IcuGetDigitSubstitution(string cultureName)
{
Debug.Assert(!GlobalizationMode.UseNls);
int digitSubstitution = IcuLocaleData.GetLocaleDataNumericPart(cultureName, IcuLocaleDataParts.DigitSubstitutionOrListSeparator);
return(digitSubstitution == -1 ? (int)DigitShapes.None : (int)(digitSubstitution & DigitSubstitutionMask));
}
private static string IcuGetListSeparator(string?cultureName)
{
Debug.Assert(!GlobalizationMode.UseNls);
Debug.Assert(cultureName != null);
int separator = IcuLocaleData.GetLocaleDataNumericPart(cultureName, IcuLocaleDataParts.DigitSubstitutionOrListSeparator);
if (separator != -1)
{
switch (separator & ListSeparatorMask)
{
case IcuLocaleData.CommaSep:
return(",");
case IcuLocaleData.SemicolonSep:
return(";");
case IcuLocaleData.ArabicCommaSep:
return("\u060C");
case IcuLocaleData.ArabicSemicolonSep:
return("\u061B");
case IcuLocaleData.DoubleCommaSep:
return(",,");
default:
Debug.Assert(false, "[CultureData.IcuGetListSeparator] Unexpected ListSeparator value.");
break;
}
}
return(","); // default separator
}
private static int IcuGetEbcdicCodePage(string cultureName)
{
Debug.Assert(!GlobalizationMode.UseNls);
int ebcdicCodePage = IcuLocaleData.GetLocaleDataNumericPart(cultureName, IcuLocaleDataParts.EbcdicCodePage);
return(ebcdicCodePage == -1 ? CultureData.Invariant.EBCDICCodePage : ebcdicCodePage);
}
private static int IcuGetGeoId(string cultureName)
{
Debug.Assert(!GlobalizationMode.UseNls);
int geoId = IcuLocaleData.GetLocaleDataNumericPart(cultureName, IcuLocaleDataParts.GeoId);
return(geoId == -1 ? CultureData.Invariant.GeoId : geoId);
}
private const int ICU_ULOC_FULLNAME_CAPACITY = 157; // max size of locale name
/// <summary>
/// This method uses the sRealName field (which is initialized by the constructor before this is called) to
/// initialize the rest of the state of CultureData based on the underlying OS globalization library.
/// </summary>
private bool InitIcuCultureDataCore()
{
Debug.Assert(_sRealName != null);
Debug.Assert(!GlobalizationMode.Invariant);
const string ICU_COLLATION_KEYWORD = "@collation=";
string realNameBuffer = _sRealName;
// Basic validation
if (!IsValidCultureName(realNameBuffer, out var index))
{
return(false);
}
// Replace _ (alternate sort) with @collation= for ICU
ReadOnlySpan <char> alternateSortName = default;
if (index > 0)
{
alternateSortName = realNameBuffer.AsSpan(index + 1);
realNameBuffer = string.Concat(realNameBuffer.AsSpan(0, index), ICU_COLLATION_KEYWORD, alternateSortName);
}
// Get the locale name from ICU
if (!GetLocaleName(realNameBuffer, out _sWindowsName))
{
return(false); // fail
}
// Replace the ICU collation keyword with an _
Debug.Assert(_sWindowsName != null);
index = _sWindowsName.IndexOf(ICU_COLLATION_KEYWORD, StringComparison.Ordinal);
if (index >= 0)
{
// Use original culture name if alternateSortName is not set, which is possible even if the normalized
// culture name has "@collation=".
// "zh-TW-u-co-zhuyin" is a good example. The term "u-co-" means the following part will be the sort name
// and it will be treated in ICU as "zh-TW@collation=zhuyin".
_sName = alternateSortName.Length == 0 ? realNameBuffer : string.Concat(_sWindowsName.AsSpan(0, index), "_", alternateSortName);
}
else
{
_sName = _sWindowsName;
}
_sRealName = _sName;
_iLanguage = LCID;
if (_iLanguage == 0)
{
_iLanguage = CultureInfo.LOCALE_CUSTOM_UNSPECIFIED;
}
_bNeutral = TwoLetterISOCountryName.Length == 0;
_sSpecificCulture = _bNeutral ? IcuLocaleData.GetSpecificCultureName(_sRealName) : _sRealName;
// Remove the sort from sName unless custom culture
if (index > 0 && !_bNeutral && !IsCustomCultureId(_iLanguage))
{
_sName = _sWindowsName.Substring(0, index);
}
return(true);
}
private static string?IcuLCIDToLocaleName(int culture)
{
Debug.Assert(!GlobalizationMode.Invariant);
Debug.Assert(!GlobalizationMode.UseNls);
return(IcuLocaleData.LCIDToLocaleName(culture));
}
private static int IcuGetOemCodePage(string cultureName)
{
Debug.Assert(!GlobalizationMode.UseNls);
int oemCodePage = IcuLocaleData.GetLocaleDataNumericPart(cultureName, IcuLocaleDataParts.OemCodePage);
return(oemCodePage == -1 ? CultureData.Invariant.OEMCodePage : oemCodePage);
}
private static int IcuGetAnsiCodePage(string cultureName)
{
Debug.Assert(!GlobalizationMode.UseNls);
int ansiCodePage = IcuLocaleData.GetLocaleDataNumericPart(cultureName, IcuLocaleDataParts.AnsiCodePage);
return(ansiCodePage == -1 ? CultureData.Invariant.ANSICodePage : ansiCodePage);
}
private const int ICU_ULOC_FULLNAME_CAPACITY = 157; // max size of locale name
/// <summary>
/// This method uses the sRealName field (which is initialized by the constructor before this is called) to
/// initialize the rest of the state of CultureData based on the underlying OS globalization library.
/// </summary>
private bool InitIcuCultureDataCore()
{
Debug.Assert(_sRealName != null);
Debug.Assert(!GlobalizationMode.Invariant);
const string ICU_COLLATION_KEYWORD = "@collation=";
string realNameBuffer = _sRealName;
// Basic validation
if (!IsValidCultureName(realNameBuffer, out var index))
{
return(false);
}
// Replace _ (alternate sort) with @collation= for ICU
ReadOnlySpan <char> alternateSortName = default;
if (index > 0)
{
alternateSortName = realNameBuffer.AsSpan(index + 1);
realNameBuffer = string.Concat(realNameBuffer.AsSpan(0, index), ICU_COLLATION_KEYWORD, alternateSortName);
}
// Get the locale name from ICU
if (!GetLocaleName(realNameBuffer, out _sWindowsName))
{
return(false); // fail
}
// Replace the ICU collation keyword with an _
Debug.Assert(_sWindowsName != null);
index = _sWindowsName.IndexOf(ICU_COLLATION_KEYWORD, StringComparison.Ordinal);
if (index >= 0)
{
_sName = string.Concat(_sWindowsName.AsSpan(0, index), "_", alternateSortName);
}
else
{
_sName = _sWindowsName;
}
_sRealName = _sName;
_iLanguage = LCID;
if (_iLanguage == 0)
{
_iLanguage = CultureInfo.LOCALE_CUSTOM_UNSPECIFIED;
}
_bNeutral = TwoLetterISOCountryName.Length == 0;
_sSpecificCulture = _bNeutral ? IcuLocaleData.GetSpecificCultureName(_sRealName) : _sRealName;
// Remove the sort from sName unless custom culture
if (index > 0 && !_bNeutral && !IsCustomCultureId(_iLanguage))
{
_sName = _sWindowsName.Substring(0, index);
}
return(true);
}
private static int IcuLocaleNameToLCID(string cultureName)
{
Debug.Assert(!GlobalizationMode.Invariant);
Debug.Assert(!GlobalizationMode.UseNls);
int lcid = IcuLocaleData.GetLocaleDataNumericPart(cultureName, IcuLocaleDataParts.Lcid);
return(lcid == -1 ? CultureInfo.LOCALE_CUSTOM_UNSPECIFIED : lcid);
}
private static int GetEbcdicCodePage(string cultureName)
{
int ebcdicCodePage = IcuLocaleData.GetLocaleDataNumericPart(cultureName, IcuLocaleDataParts.EbcdicCodePage);
return(ebcdicCodePage == -1 ? CultureData.Invariant.EBCDICCodePage : ebcdicCodePage);
}
private static int GetOemCodePage(string cultureName)
{
int oemCodePage = IcuLocaleData.GetLocaleDataNumericPart(cultureName, IcuLocaleDataParts.OemCodePage);
return(oemCodePage == -1 ? CultureData.Invariant.OEMCodePage : oemCodePage);
}
private static int GetAnsiCodePage(string cultureName)
{
int ansiCodePage = IcuLocaleData.GetLocaleDataNumericPart(cultureName, IcuLocaleDataParts.AnsiCodePage);
return(ansiCodePage == -1 ? CultureData.Invariant.ANSICodePage : ansiCodePage);
}
private static string IcuGetThreeLetterWindowsLanguageName(string cultureName)
{
Debug.Assert(!GlobalizationMode.UseNls);
return(IcuLocaleData.GetThreeLetterWindowsLanguageName(cultureName) ?? "ZZZ" /* default lang name */);
}
private static int GetMacCodePage(string cultureName)
{
int macCodePage = IcuLocaleData.GetLocaleDataNumericPart(cultureName, IcuLocaleDataParts.MacCodePage);
return(macCodePage == -1 ? CultureData.Invariant.MacCodePage : macCodePage);
}
private static string IcuGetConsoleFallbackName(string cultureName)
{
Debug.Assert(!GlobalizationMode.UseNls);
return(IcuLocaleData.GetConsoleUICulture(cultureName));
}
/// <summary>
/// This method uses the sRealName field (which is initialized by the constructor before this is called) to
/// initialize the rest of the state of CultureData based on the underlying OS globalization library.
/// </summary>
private unsafe bool IcuInitCultureData()
{
Debug.Assert(_sRealName != null);
Debug.Assert(!GlobalizationMode.Invariant);
Debug.Assert(!GlobalizationMode.UseNls);
string realNameBuffer = _sRealName;
// Basic validation
if (realNameBuffer.Contains('@'))
{
return(false); // don't allow ICU variants to come in directly
}
// Replace _ (alternate sort) with @collation= for ICU
ReadOnlySpan <char> alternateSortName = default;
int index = realNameBuffer.IndexOf('_');
if (index > 0)
{
if (index >= (realNameBuffer.Length - 1) || // must have characters after _
realNameBuffer.IndexOf('_', index + 1) >= 0) // only one _ allowed
{
return(false); // fail
}
alternateSortName = realNameBuffer.AsSpan(index + 1);
realNameBuffer = string.Concat(realNameBuffer.AsSpan(0, index), ICU_COLLATION_KEYWORD, alternateSortName);
}
// Get the locale name from ICU
if (!GetLocaleName(realNameBuffer, out _sWindowsName))
{
return(false); // fail
}
// Replace the ICU collation keyword with an _
Debug.Assert(_sWindowsName != null);
index = _sWindowsName.IndexOf(ICU_COLLATION_KEYWORD, StringComparison.Ordinal);
if (index >= 0)
{
_sName = string.Concat(_sWindowsName.AsSpan(0, index), "_", alternateSortName);
}
else
{
_sName = _sWindowsName;
}
_sRealName = _sName;
_iLanguage = LCID;
if (_iLanguage == 0)
{
_iLanguage = CultureInfo.LOCALE_CUSTOM_UNSPECIFIED;
}
_bNeutral = TwoLetterISOCountryName.Length == 0;
_sSpecificCulture = _bNeutral ? IcuLocaleData.GetSpecificCultureName(_sRealName) : _sRealName;
// Remove the sort from sName unless custom culture
if (index > 0 && !_bNeutral && !IsCustomCultureId(_iLanguage))
{
_sName = _sWindowsName.Substring(0, index);
}
return(true);
}
