2 // System.Globalization.CultureInfo.cs
5 // Miguel de Icaza (miguel@ximian.com)
6 // Dick Porter (dick@ximian.com)
7 // Marek Safar (marek.safar@gmail.com)
9 // (C) 2001, 2002, 2003 Ximian, Inc. (http://www.ximian.com)
10 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
11 // Copyright (C) 2012 Xamarin Inc (http://www.xamarin.com)
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 using System.Collections.Generic;
34 using System.Threading;
35 using System.Runtime.CompilerServices;
36 using System.Runtime.InteropServices;
38 namespace System.Globalization
40 [System.Runtime.InteropServices.ComVisible (true)]
42 [StructLayout (LayoutKind.Sequential)]
43 public class CultureInfo : ICloneable, IFormatProvider
45 static volatile CultureInfo invariant_culture_info = new CultureInfo (InvariantCultureId, false, true);
46 static object shared_table_lock = new object ();
47 static CultureInfo default_current_culture;
49 #pragma warning disable 169, 649
59 int default_calendar_type;
60 bool m_useUserOverride;
62 volatile NumberFormatInfo numInfo;
63 volatile DateTimeFormatInfo dateTimeInfo;
64 volatile TextInfo textInfo;
65 private string m_name;
68 private string englishname;
70 private string nativename;
72 private string iso3lang;
74 private string iso2lang;
76 private string win3lang;
78 private string territory;
80 string[] native_calendar_names;
82 volatile CompareInfo compareInfo;
84 private unsafe readonly void *textinfo_data;
86 int m_dataItem; // MS.NET serializes this.
87 #pragma warning restore 169, 649
92 CultureInfo parent_culture;
94 // Deserialized instances will set this to false
99 // Used by Thread.set_CurrentCulture
100 internal byte[] cached_serialized_form;
102 internal const int InvariantCultureId = 0x7F;
103 const int CalendarTypeBits = 8;
105 const string MSG_READONLY = "This instance is read only";
107 public static CultureInfo InvariantCulture {
109 return invariant_culture_info;
113 public static CultureInfo CurrentCulture {
115 return Thread.CurrentThread.CurrentCulture;
119 public static CultureInfo CurrentUICulture {
121 return Thread.CurrentThread.CurrentUICulture;
125 internal static CultureInfo ConstructCurrentCulture ()
127 if (default_current_culture != null)
128 return default_current_culture;
130 var locale_name = get_current_locale_name ();
131 CultureInfo ci = null;
133 ci = CreateSpecificCulture (locale_name);
138 ci = InvariantCulture;
140 ci.m_isReadOnly = true;
141 ci.m_useUserOverride = true;
144 default_current_culture = ci;
148 internal static CultureInfo ConstructCurrentUICulture ()
150 return ConstructCurrentCulture ();
153 // it is used for RegionInfo.
154 internal string Territory {
155 get { return territory; }
159 // FIXME: It is implemented, but would be hell slow.
161 public CultureTypes CultureTypes {
163 CultureTypes ret = (CultureTypes) 0;
164 foreach (CultureTypes v in Enum.GetValues (typeof (CultureTypes)))
165 if (Array.IndexOf (GetCultures (v), this) >= 0)
172 public CultureInfo GetConsoleFallbackUICulture ()
174 // as documented in MSDN ...
176 case "ar": case "ar-BH": case "ar-EG": case "ar-IQ":
177 case "ar-JO": case "ar-KW": case "ar-LB": case "ar-LY":
178 case "ar-QA": case "ar-SA": case "ar-SY": case "ar-AE":
180 case "dv": case "dv-MV":
181 case "fa": case "fa-IR":
182 case "gu": case "gu-IN":
183 case "he": case "he-IL":
184 case "hi": case "hi-IN":
185 case "kn": case "kn-IN":
186 case "kok": case "kok-IN":
187 case "mr": case "mr-IN":
188 case "pa": case "pa-IN":
189 case "sa": case "sa-IN":
190 case "syr": case "syr-SY":
191 case "ta": case "ta-IN":
192 case "te": case "te-IN":
193 case "th": case "th-TH":
194 case "ur": case "ur-PK":
195 case "vi": case "vi-VN":
196 return GetCultureInfo ("en");
197 case "ar-DZ": case "ar-MA": case "ar-TN":
198 return GetCultureInfo ("fr");
200 return (CultureTypes & CultureTypes.WindowsOnlyCultures) != 0 ? CultureInfo.InvariantCulture : this;
204 public string IetfLanguageTag {
205 // There could be more consistent way to implement
206 // it, but right now it works just fine with this...
219 // For specific cultures it basically returns LCID.
220 // For neutral cultures it is mapped to the default(?) specific
221 // culture, where the LCID of the specific culture seems to be
222 // n + 1024 by default. zh-CHS is the only exception which is
223 // mapped to 2052, not 1028 (zh-CHT is mapped to 1028 instead).
224 // There are very few exceptions, here I simply list them here.
225 // It is Windows-specific property anyways, so no worthy of
226 // trying to do some complex things with locale-builder.
228 public virtual int KeyboardLayoutId {
231 case 4: // zh-CHS (neutral)
233 case 1034: // es-ES Spanish 2
235 case 31748: // zh-CHT (neutral)
237 case 31770: // sr (neutral)
240 return LCID < 1024 ? LCID + 1024 : LCID;
246 public virtual int LCID {
252 public virtual string Name {
258 public virtual string NativeName {
260 if (!constructed) Construct ();
265 internal string NativeCalendarName {
267 if (!constructed) Construct ();
268 return native_calendar_names[(default_calendar_type >> CalendarTypeBits) - 1];
272 public virtual Calendar Calendar {
274 if (calendar == null) {
275 if (!constructed) Construct ();
276 calendar = CreateCalendar (default_calendar_type);
283 [MonoLimitation ("Optional calendars are not supported only default calendar is returned")]
284 public virtual Calendar[] OptionalCalendars {
286 return new[] { Calendar };
290 public virtual CultureInfo Parent
293 if (parent_culture == null) {
296 if (parent_lcid == cultureID) {
298 // Parent lcid is same but culture info is not for legacy zh culture
300 if (parent_lcid == 0x7C04 && EnglishName [EnglishName.Length - 1] == 'y')
301 return parent_culture = new CultureInfo ("zh-Hant");
302 else if (parent_lcid == 0x0004 && EnglishName [EnglishName.Length -1] == 'y')
303 return parent_culture = new CultureInfo ("zh-Hans");
307 if (parent_lcid == InvariantCultureId)
308 parent_culture = InvariantCulture;
309 else if (cultureID == InvariantCultureId)
310 parent_culture = this;
311 else if (cultureID == 0x0404) {
312 // zh-tw has parent id 0x7C04 which is in this case zh-cht and not zh-hant
313 parent_culture = new CultureInfo ("zh-CHT");
315 parent_culture = new CultureInfo (parent_lcid);
317 return parent_culture;
321 public virtual TextInfo TextInfo
324 if (textInfo == null) {
325 if (!constructed) Construct ();
327 if(textInfo == null) {
328 textInfo = CreateTextInfo (m_isReadOnly);
337 public virtual string ThreeLetterISOLanguageName {
339 if (!constructed) Construct ();
344 public virtual string ThreeLetterWindowsLanguageName
347 if (!constructed) Construct ();
352 public virtual string TwoLetterISOLanguageName {
354 if (!constructed) Construct ();
359 public bool UseUserOverride
362 return m_useUserOverride;
366 public void ClearCachedData()
368 lock (shared_table_lock) {
369 shared_by_number = null;
370 shared_by_name = null;
374 // ClearCachedData method does not refresh the information in
375 // the Thread.CurrentCulture property for existing threads
377 default_current_culture = null;
379 RegionInfo.ClearCachedData ();
380 TimeZone.ClearCachedData ();
381 DateTime.ClearCachedData ();
383 TimeZoneInfo.ClearCachedData ();
387 public virtual object Clone()
389 if (!constructed) Construct ();
390 CultureInfo ci=(CultureInfo)MemberwiseClone ();
391 ci.m_isReadOnly=false;
392 ci.cached_serialized_form=null;
393 if (!IsNeutralCulture) {
394 ci.NumberFormat = (NumberFormatInfo)NumberFormat.Clone ();
395 ci.DateTimeFormat = (DateTimeFormatInfo)DateTimeFormat.Clone ();
400 public override bool Equals (object value)
402 CultureInfo b = value as CultureInfo;
405 return b.cultureID == cultureID;
409 public static CultureInfo[] GetCultures(CultureTypes types)
411 bool neutral=((types & CultureTypes.NeutralCultures)!=0);
412 bool specific=((types & CultureTypes.SpecificCultures)!=0);
413 bool installed=((types & CultureTypes.InstalledWin32Cultures)!=0); // TODO
415 CultureInfo [] infos = internal_get_cultures (neutral, specific, installed);
416 // The runtime returns a NULL in the first position of the array when
417 // 'neutral' is true. We fill it in with a clone of InvariantCulture
418 // since it must not be read-only
419 if (neutral && infos.Length > 0 && infos [0] == null) {
420 infos [0] = (CultureInfo) InvariantCulture.Clone ();
426 public override int GetHashCode ()
428 return cultureID.GetHashCode ();
431 public static CultureInfo ReadOnly(CultureInfo ci)
434 throw new ArgumentNullException("ci");
437 if(ci.m_isReadOnly) {
440 CultureInfo new_ci=(CultureInfo)ci.Clone ();
441 new_ci.m_isReadOnly=true;
442 if (new_ci.numInfo != null)
443 new_ci.numInfo = NumberFormatInfo.ReadOnly (new_ci.numInfo);
444 if (new_ci.dateTimeInfo != null)
445 new_ci.dateTimeInfo = DateTimeFormatInfo.ReadOnly (new_ci.dateTimeInfo);
446 if (new_ci.textInfo != null)
447 new_ci.textInfo = TextInfo.ReadOnly (new_ci.textInfo);
452 public override string ToString()
457 public virtual CompareInfo CompareInfo
460 if(compareInfo==null) {
465 if(compareInfo==null) {
466 compareInfo=new CompareInfo (this);
475 public virtual bool IsNeutralCulture {
477 if (cultureID == InvariantCultureId)
480 if (!constructed) Construct ();
481 return territory == null;
485 internal void CheckNeutral ()
488 if (IsNeutralCulture) {
489 throw new NotSupportedException ("Culture \"" + m_name + "\" is " +
490 "a neutral culture. It can not be used in formatting " +
491 "and parsing and therefore cannot be set as the thread's " +
497 public virtual NumberFormatInfo NumberFormat {
499 if (!constructed) Construct ();
501 if (numInfo == null){
503 if (numInfo == null) {
504 numInfo = new NumberFormatInfo (m_isReadOnly);
505 construct_number_format ();
514 if (!constructed) Construct ();
515 if (m_isReadOnly) throw new InvalidOperationException(MSG_READONLY);
518 throw new ArgumentNullException ("NumberFormat");
524 public virtual DateTimeFormatInfo DateTimeFormat {
526 if (dateTimeInfo != null)
529 if (!constructed) Construct ();
532 // TODO: Have to lock because construct_datetime_format is not atomic
534 if (cultureID == InvariantCultureId && m_isReadOnly)
535 dateTimeInfo = DateTimeFormatInfo.InvariantInfo;
536 else if (dateTimeInfo == null) {
537 dateTimeInfo = new DateTimeFormatInfo (this, m_isReadOnly);
538 if (cultureID != InvariantCultureId)
539 construct_datetime_format ();
547 if (!constructed) Construct ();
548 if (m_isReadOnly) throw new InvalidOperationException(MSG_READONLY);
551 throw new ArgumentNullException ("DateTimeFormat");
553 dateTimeInfo = value;
557 public virtual string DisplayName {
559 // Mono is not localized and will always return english name regardless of OS locale
564 public virtual string EnglishName {
566 if (!constructed) Construct ();
571 public static CultureInfo InstalledUICulture {
573 return ConstructCurrentCulture ();
577 public bool IsReadOnly {
585 // IFormatProvider implementation
587 public virtual object GetFormat( Type formatType )
589 object format = null;
591 if ( formatType == typeof(NumberFormatInfo) )
592 format = NumberFormat;
593 else if ( formatType == typeof(DateTimeFormatInfo) )
594 format = DateTimeFormat;
601 construct_internal_locale_from_lcid (cultureID);
605 [MethodImplAttribute (MethodImplOptions.InternalCall)]
606 private extern bool construct_internal_locale_from_lcid (int lcid);
608 [MethodImplAttribute (MethodImplOptions.InternalCall)]
609 private extern bool construct_internal_locale_from_name (string name);
611 [MethodImplAttribute (MethodImplOptions.InternalCall)]
612 private extern static string get_current_locale_name ();
614 [MethodImplAttribute (MethodImplOptions.InternalCall)]
615 private extern static CultureInfo [] internal_get_cultures (bool neutral, bool specific, bool installed);
617 [MethodImplAttribute (MethodImplOptions.InternalCall)]
618 private extern void construct_datetime_format ();
620 [MethodImplAttribute (MethodImplOptions.InternalCall)]
621 private extern void construct_number_format ();
623 private void ConstructInvariant (bool read_only)
625 cultureID = InvariantCultureId;
627 /* NumberFormatInfo defaults to the invariant data */
628 numInfo=NumberFormatInfo.InvariantInfo;
631 numInfo = (NumberFormatInfo) numInfo.Clone ();
634 textInfo = CreateTextInfo (read_only);
638 nativename="Invariant Language (Invariant Country)";
642 default_calendar_type = 1 << CalendarTypeBits;
645 private unsafe TextInfo CreateTextInfo (bool readOnly)
647 return new TextInfo (this, cultureID, this.textinfo_data, readOnly);
650 public CultureInfo (int culture) : this (culture, true) {}
652 public CultureInfo (int culture, bool useUserOverride) :
653 this (culture, useUserOverride, false) {}
655 private CultureInfo (int culture, bool useUserOverride, bool read_only)
658 throw new ArgumentOutOfRangeException ("culture", "Positive "
659 + "number required.");
662 m_isReadOnly = read_only;
663 m_useUserOverride = useUserOverride;
665 if (culture == InvariantCultureId) {
666 /* Short circuit the invariant culture */
667 ConstructInvariant (read_only);
671 if (!construct_internal_locale_from_lcid (culture)) {
673 // Be careful not to cause recursive CultureInfo initialization
675 var msg = string.Format (InvariantCulture, "Culture ID {0} (0x{1}) is not a supported culture.", culture.ToString (InvariantCulture), culture.ToString ("X4", InvariantCulture));
677 throw new CultureNotFoundException ("culture", msg);
679 throw new ArgumentException (msg, "culture");
684 public CultureInfo (string name) : this (name, true) {}
686 public CultureInfo (string name, bool useUserOverride) :
687 this (name, useUserOverride, false) {}
689 private CultureInfo (string name, bool useUserOverride, bool read_only)
692 throw new ArgumentNullException ("name");
695 m_isReadOnly = read_only;
696 m_useUserOverride = useUserOverride;
698 if (name.Length == 0) {
699 /* Short circuit the invariant culture */
700 ConstructInvariant (read_only);
704 if (!construct_internal_locale_from_name (name.ToLowerInvariant ())) {
705 throw CreateNotFoundException (name);
709 // This is used when creating by specific name and creating by
710 // current locale so we can initialize the object without
711 // doing any member initialization
712 private CultureInfo () { constructed = true; }
713 static Dictionary<int, CultureInfo> shared_by_number;
714 static Dictionary<string, CultureInfo> shared_by_name;
716 static void insert_into_shared_tables (CultureInfo c)
718 if (shared_by_number == null){
719 shared_by_number = new Dictionary<int, CultureInfo> ();
720 shared_by_name = new Dictionary<string, CultureInfo> ();
722 shared_by_number [c.cultureID] = c;
723 shared_by_name [c.m_name] = c;
726 public static CultureInfo GetCultureInfo (int culture)
730 lock (shared_table_lock){
731 if (shared_by_number != null) {
732 if (shared_by_number.TryGetValue (culture, out c))
736 c = new CultureInfo (culture, false, true);
737 insert_into_shared_tables (c);
742 public static CultureInfo GetCultureInfo (string name)
745 throw new ArgumentNullException ("name");
748 lock (shared_table_lock){
749 if (shared_by_name != null){
750 if (shared_by_name.TryGetValue (name, out c))
753 c = new CultureInfo (name, false, true);
754 insert_into_shared_tables (c);
759 [MonoTODO ("Currently it ignores the altName parameter")]
760 public static CultureInfo GetCultureInfo (string name, string altName) {
762 throw new ArgumentNullException ("null");
764 throw new ArgumentNullException ("null");
766 return GetCultureInfo (name);
769 public static CultureInfo GetCultureInfoByIetfLanguageTag (string name)
771 // There could be more consistent way to implement
772 // it, but right now it works just fine with this...
775 return GetCultureInfo ("zh-CHS");
777 return GetCultureInfo ("zh-CHT");
779 return GetCultureInfo (name);
783 // used in runtime (icall.c) to construct CultureInfo for
784 // AssemblyName of assemblies
785 internal static CultureInfo CreateCulture (string name, bool reference)
788 bool use_user_override;
790 bool invariant = name.Length == 0;
792 use_user_override = invariant ? false : true;
796 use_user_override = invariant ? false : true;
799 return new CultureInfo (name, use_user_override, read_only);
802 public static CultureInfo CreateSpecificCulture (string name)
805 throw new ArgumentNullException ("name");
807 if (name.Length == 0)
808 return InvariantCulture;
811 name = name.ToLowerInvariant ();
812 CultureInfo ci = new CultureInfo ();
814 if (!ci.construct_internal_locale_from_name (name)) {
815 int idx = name.IndexOf ('-');
816 if (idx < 1 || !ci.construct_internal_locale_from_name (name.Substring (0, idx)))
817 throw CreateNotFoundException (src_name);
820 if (ci.IsNeutralCulture)
821 ci = CreateSpecificCultureFromNeutral (ci.Name);
827 // Creates specific culture from neutral culture. Used by CreateSpecificCulture
828 // only but using separate method we can delay switch underlying Dictionary
831 static CultureInfo CreateSpecificCultureFromNeutral (string name)
836 // For neutral cultures find predefined default specific culture
838 // Use managed switch because we need this for only some cultures
839 // and the method is not used frequently
841 // TODO: We could optimize for cultures with single specific culture
843 switch (name.ToLowerInvariant ()) {
844 case "af": id = 1078; break;
845 case "am": id = 1118; break;
846 case "ar": id = 1025; break;
847 case "arn": id = 1146; break;
848 case "as": id = 1101; break;
849 case "az": id = 1068; break;
850 case "az-cyrl": id = 2092; break;
851 case "az-latn": id = 1068; break;
852 case "ba": id = 1133; break;
853 case "be": id = 1059; break;
854 case "bg": id = 1026; break;
855 case "bn": id = 1093; break;
856 case "bo": id = 1105; break;
857 case "br": id = 1150; break;
858 case "bs": id = 5146; break;
859 case "bs-cyrl": id = 8218; break;
860 case "bs-latn": id = 5146; break;
861 case "ca": id = 1027; break;
862 case "co": id = 1155; break;
863 case "cs": id = 1029; break;
864 case "cy": id = 1106; break;
865 case "da": id = 1030; break;
866 case "de": id = 1031; break;
867 case "dsb": id = 2094; break;
868 case "dv": id = 1125; break;
869 case "el": id = 1032; break;
870 case "en": id = 1033; break;
871 case "es": id = 3082; break;
872 case "et": id = 1061; break;
873 case "eu": id = 1069; break;
874 case "fa": id = 1065; break;
875 case "fi": id = 1035; break;
876 case "fil": id = 1124; break;
877 case "fo": id = 1080; break;
878 case "fr": id = 1036; break;
879 case "fy": id = 1122; break;
880 case "ga": id = 2108; break;
881 case "gd": id = 1169; break;
882 case "gl": id = 1110; break;
883 case "gsw": id = 1156; break;
884 case "gu": id = 1095; break;
885 case "ha": id = 1128; break;
886 case "ha-latn": id = 1128; break;
887 case "he": id = 1037; break;
888 case "hi": id = 1081; break;
889 case "hr": id = 1050; break;
890 case "hsb": id = 1070; break;
891 case "hu": id = 1038; break;
892 case "hy": id = 1067; break;
893 case "id": id = 1057; break;
894 case "ig": id = 1136; break;
895 case "ii": id = 1144; break;
896 case "is": id = 1039; break;
897 case "it": id = 1040; break;
898 case "iu": id = 2141; break;
899 case "iu-cans": id = 1117; break;
900 case "iu-latn": id = 2141; break;
901 case "ja": id = 1041; break;
902 case "ka": id = 1079; break;
903 case "kk": id = 1087; break;
904 case "kl": id = 1135; break;
905 case "km": id = 1107; break;
906 case "kn": id = 1099; break;
907 case "ko": id = 1042; break;
908 case "kok": id = 1111; break;
909 case "ky": id = 1088; break;
910 case "lb": id = 1134; break;
911 case "lo": id = 1108; break;
912 case "lt": id = 1063; break;
913 case "lv": id = 1062; break;
914 case "mi": id = 1153; break;
915 case "mk": id = 1071; break;
916 case "ml": id = 1100; break;
917 case "mn": id = 1104; break;
918 case "mn-cyrl": id = 1104; break;
919 case "mn-mong": id = 2128; break;
920 case "moh": id = 1148; break;
921 case "mr": id = 1102; break;
922 case "ms": id = 1086; break;
923 case "mt": id = 1082; break;
924 case "nb": id = 1044; break;
925 case "ne": id = 1121; break;
926 case "nl": id = 1043; break;
927 case "nn": id = 2068; break;
928 case "no": id = 1044; break;
929 case "nso": id = 1132; break;
930 case "oc": id = 1154; break;
931 case "or": id = 1096; break;
932 case "pa": id = 1094; break;
933 case "pl": id = 1045; break;
934 case "prs": id = 1164; break;
935 case "ps": id = 1123; break;
936 case "pt": id = 1046; break;
937 case "qut": id = 1158; break;
938 case "quz": id = 1131; break;
939 case "rm": id = 1047; break;
940 case "ro": id = 1048; break;
941 case "ru": id = 1049; break;
942 case "rw": id = 1159; break;
943 case "sa": id = 1103; break;
944 case "sah": id = 1157; break;
945 case "se": id = 1083; break;
946 case "si": id = 1115; break;
947 case "sk": id = 1051; break;
948 case "sl": id = 1060; break;
949 case "sma": id = 7227; break;
950 case "smj": id = 5179; break;
951 case "smn": id = 9275; break;
952 case "sms": id = 8251; break;
953 case "sq": id = 1052; break;
954 case "sr": id = 9242; break;
955 case "sr-cyrl": id = 10266; break;
956 case "sr-latn": id = 9242; break;
957 case "sv": id = 1053; break;
958 case "sw": id = 1089; break;
959 case "syr": id = 1114; break;
960 case "ta": id = 1097; break;
961 case "te": id = 1098; break;
962 case "tg": id = 1064; break;
963 case "tg-cyrl": id = 1064; break;
964 case "th": id = 1054; break;
965 case "tk": id = 1090; break;
966 case "tn": id = 1074; break;
967 case "tr": id = 1055; break;
968 case "tt": id = 1092; break;
969 case "tzm": id = 2143; break;
970 case "tzm-latn": id = 2143; break;
971 case "ug": id = 1152; break;
972 case "uk": id = 1058; break;
973 case "ur": id = 1056; break;
974 case "uz": id = 1091; break;
975 case "uz-cyrl": id = 2115; break;
976 case "uz-latn": id = 1091; break;
977 case "vi": id = 1066; break;
978 case "wo": id = 1160; break;
979 case "xh": id = 1076; break;
980 case "yo": id = 1130; break;
981 case "zh": id = 2052; break;
988 case "zu": id = 1077; break;
990 throw new NotImplementedException ("Mapping for neutral culture " + name);
993 return new CultureInfo (id);
996 static Calendar CreateCalendar (int calendarType)
999 switch (calendarType >> CalendarTypeBits) {
1001 GregorianCalendarTypes greg_type;
1002 greg_type = (GregorianCalendarTypes) (calendarType & 0xFF);
1003 return new GregorianCalendar (greg_type);
1005 name = "System.Globalization.ThaiBuddhistCalendar";
1008 name = "System.Globalization.UmAlQuraCalendar";
1011 name = "System.Globalization.HijriCalendar";
1014 throw new NotImplementedException ("Unknown calendar type: " + calendarType);
1017 Type type = Type.GetType (name, false);
1019 return CreateCalendar (1 << CalendarTypeBits); // return invariant calandar if not found
1020 return (Calendar) Activator.CreateInstance (type);
1023 static Exception CreateNotFoundException (string name)
1026 return new CultureNotFoundException ("name", "Culture name " + name + " is not supported.");
1028 return new ArgumentException ("Culture name " + name + " is not supported.", "name");
1033 public static CultureInfo DefaultThreadCurrentCulture {
1035 return Thread.default_culture;
1038 Thread.default_culture = value;
1042 public static CultureInfo DefaultThreadCurrentUICulture {
1044 return Thread.default_ui_culture;
1047 Thread.default_ui_culture = value;