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;
37 using System.Diagnostics.Contracts;
39 namespace System.Globalization
41 [System.Runtime.InteropServices.ComVisible (true)]
43 [StructLayout (LayoutKind.Sequential)]
44 public class CultureInfo : ICloneable, IFormatProvider
46 static volatile CultureInfo invariant_culture_info = new CultureInfo (InvariantCultureId, false, true);
47 static object shared_table_lock = new object ();
48 static CultureInfo default_current_culture;
50 #pragma warning disable 169, 649
60 int default_calendar_type;
61 bool m_useUserOverride;
63 volatile NumberFormatInfo numInfo;
64 internal volatile DateTimeFormatInfo dateTimeInfo;
65 volatile TextInfo textInfo;
66 private string m_name;
69 private string englishname;
71 private string nativename;
73 private string iso3lang;
75 private string iso2lang;
77 private string win3lang;
79 private string territory;
81 string[] native_calendar_names;
83 volatile CompareInfo compareInfo;
85 private unsafe readonly void *textinfo_data;
87 int m_dataItem; // MS.NET serializes this.
88 #pragma warning restore 169, 649
93 CultureInfo parent_culture;
95 // Deserialized instances will set this to false
100 // Used by Thread.set_CurrentCulture
101 internal byte[] cached_serialized_form;
103 [NonSerialized]internal CultureData m_cultureData;
104 [NonSerialized]internal bool m_isInherited;
106 internal const int InvariantCultureId = 0x7F;
107 const int CalendarTypeBits = 8;
109 const string MSG_READONLY = "This instance is read only";
111 public static CultureInfo InvariantCulture {
113 return invariant_culture_info;
117 public static CultureInfo CurrentCulture {
119 return Thread.CurrentThread.CurrentCulture;
123 public static CultureInfo CurrentUICulture {
125 return Thread.CurrentThread.CurrentUICulture;
129 internal static CultureInfo ConstructCurrentCulture ()
131 if (default_current_culture != null)
132 return default_current_culture;
134 var locale_name = get_current_locale_name ();
135 CultureInfo ci = null;
137 ci = CreateSpecificCulture (locale_name);
142 ci = InvariantCulture;
144 ci.m_isReadOnly = true;
145 ci.m_useUserOverride = true;
148 default_current_culture = ci;
152 internal static CultureInfo ConstructCurrentUICulture ()
154 return ConstructCurrentCulture ();
157 // it is used for RegionInfo.
158 internal string Territory {
159 get { return territory; }
163 // FIXME: It is implemented, but would be hell slow.
165 public CultureTypes CultureTypes {
167 CultureTypes ret = (CultureTypes) 0;
168 foreach (CultureTypes v in Enum.GetValues (typeof (CultureTypes)))
169 if (Array.IndexOf (GetCultures (v), this) >= 0)
176 public CultureInfo GetConsoleFallbackUICulture ()
178 // as documented in MSDN ...
180 case "ar": case "ar-BH": case "ar-EG": case "ar-IQ":
181 case "ar-JO": case "ar-KW": case "ar-LB": case "ar-LY":
182 case "ar-QA": case "ar-SA": case "ar-SY": case "ar-AE":
184 case "dv": case "dv-MV":
185 case "fa": case "fa-IR":
186 case "gu": case "gu-IN":
187 case "he": case "he-IL":
188 case "hi": case "hi-IN":
189 case "kn": case "kn-IN":
190 case "kok": case "kok-IN":
191 case "mr": case "mr-IN":
192 case "pa": case "pa-IN":
193 case "sa": case "sa-IN":
194 case "syr": case "syr-SY":
195 case "ta": case "ta-IN":
196 case "te": case "te-IN":
197 case "th": case "th-TH":
198 case "ur": case "ur-PK":
199 case "vi": case "vi-VN":
200 return GetCultureInfo ("en");
201 case "ar-DZ": case "ar-MA": case "ar-TN":
202 return GetCultureInfo ("fr");
204 return (CultureTypes & CultureTypes.WindowsOnlyCultures) != 0 ? CultureInfo.InvariantCulture : this;
208 public string IetfLanguageTag {
209 // There could be more consistent way to implement
210 // it, but right now it works just fine with this...
223 // For specific cultures it basically returns LCID.
224 // For neutral cultures it is mapped to the default(?) specific
225 // culture, where the LCID of the specific culture seems to be
226 // n + 1024 by default. zh-CHS is the only exception which is
227 // mapped to 2052, not 1028 (zh-CHT is mapped to 1028 instead).
228 // There are very few exceptions, here I simply list them here.
229 // It is Windows-specific property anyways, so no worthy of
230 // trying to do some complex things with locale-builder.
232 public virtual int KeyboardLayoutId {
235 case 4: // zh-CHS (neutral)
237 case 1034: // es-ES Spanish 2
239 case 31748: // zh-CHT (neutral)
241 case 31770: // sr (neutral)
244 return LCID < 1024 ? LCID + 1024 : LCID;
250 public virtual int LCID {
256 public virtual string Name {
262 public virtual string NativeName {
264 if (!constructed) Construct ();
269 internal string NativeCalendarName {
271 if (!constructed) Construct ();
272 return native_calendar_names[(default_calendar_type >> CalendarTypeBits) - 1];
276 public virtual Calendar Calendar {
278 if (calendar == null) {
279 if (!constructed) Construct ();
280 calendar = CreateCalendar (default_calendar_type);
287 [MonoLimitation ("Optional calendars are not supported only default calendar is returned")]
288 public virtual Calendar[] OptionalCalendars {
290 return new[] { Calendar };
294 public virtual CultureInfo Parent
297 if (parent_culture == null) {
300 if (parent_lcid == cultureID) {
302 // Parent lcid is same but culture info is not for legacy zh culture
304 if (parent_lcid == 0x7C04 && EnglishName [EnglishName.Length - 1] == 'y')
305 return parent_culture = new CultureInfo ("zh-Hant");
306 else if (parent_lcid == 0x0004 && EnglishName [EnglishName.Length -1] == 'y')
307 return parent_culture = new CultureInfo ("zh-Hans");
311 if (parent_lcid == InvariantCultureId)
312 parent_culture = InvariantCulture;
313 else if (cultureID == InvariantCultureId)
314 parent_culture = this;
315 else if (cultureID == 0x0404) {
316 // zh-tw has parent id 0x7C04 which is in this case zh-cht and not zh-hant
317 parent_culture = new CultureInfo ("zh-CHT");
319 parent_culture = new CultureInfo (parent_lcid);
321 return parent_culture;
325 public virtual TextInfo TextInfo
328 if (textInfo == null) {
329 if (!constructed) Construct ();
331 if(textInfo == null) {
332 textInfo = CreateTextInfo (m_isReadOnly);
341 public virtual string ThreeLetterISOLanguageName {
343 if (!constructed) Construct ();
348 public virtual string ThreeLetterWindowsLanguageName
351 if (!constructed) Construct ();
356 public virtual string TwoLetterISOLanguageName {
358 if (!constructed) Construct ();
363 public bool UseUserOverride
366 return m_useUserOverride;
370 public void ClearCachedData()
372 lock (shared_table_lock) {
373 shared_by_number = null;
374 shared_by_name = null;
378 // ClearCachedData method does not refresh the information in
379 // the Thread.CurrentCulture property for existing threads
381 default_current_culture = null;
383 RegionInfo.ClearCachedData ();
384 TimeZone.ClearCachedData ();
385 TimeZoneInfo.ClearCachedData ();
388 public virtual object Clone()
390 if (!constructed) Construct ();
391 CultureInfo ci=(CultureInfo)MemberwiseClone ();
392 ci.m_isReadOnly=false;
393 ci.cached_serialized_form=null;
394 if (!IsNeutralCulture) {
395 ci.NumberFormat = (NumberFormatInfo)NumberFormat.Clone ();
396 ci.DateTimeFormat = (DateTimeFormatInfo)DateTimeFormat.Clone ();
401 public override bool Equals (object value)
403 CultureInfo b = value as CultureInfo;
406 return b.cultureID == cultureID;
410 public static CultureInfo[] GetCultures(CultureTypes types)
412 bool neutral=((types & CultureTypes.NeutralCultures)!=0);
413 bool specific=((types & CultureTypes.SpecificCultures)!=0);
414 bool installed=((types & CultureTypes.InstalledWin32Cultures)!=0); // TODO
416 CultureInfo [] infos = internal_get_cultures (neutral, specific, installed);
417 // The runtime returns a NULL in the first position of the array when
418 // 'neutral' is true. We fill it in with a clone of InvariantCulture
419 // since it must not be read-only
420 if (neutral && infos.Length > 0 && infos [0] == null) {
421 infos [0] = (CultureInfo) InvariantCulture.Clone ();
424 for (int i = 1; i < infos.Length; ++i) {
426 infos [i].m_cultureData = CultureData.GetCultureData (ci.m_name, false, ci.datetime_index, ci.CalendarType, ci.iso2lang);
432 public override int GetHashCode ()
434 return cultureID.GetHashCode ();
437 public static CultureInfo ReadOnly(CultureInfo ci)
440 throw new ArgumentNullException("ci");
443 if(ci.m_isReadOnly) {
446 CultureInfo new_ci=(CultureInfo)ci.Clone ();
447 new_ci.m_isReadOnly=true;
448 if (new_ci.numInfo != null)
449 new_ci.numInfo = NumberFormatInfo.ReadOnly (new_ci.numInfo);
450 if (new_ci.dateTimeInfo != null)
451 new_ci.dateTimeInfo = DateTimeFormatInfo.ReadOnly (new_ci.dateTimeInfo);
452 if (new_ci.textInfo != null)
453 new_ci.textInfo = TextInfo.ReadOnly (new_ci.textInfo);
458 public override string ToString()
463 public virtual CompareInfo CompareInfo
466 if(compareInfo==null) {
471 if(compareInfo==null) {
472 compareInfo=new CompareInfo (this);
481 public virtual bool IsNeutralCulture {
483 if (cultureID == InvariantCultureId)
486 if (!constructed) Construct ();
487 return territory == null;
491 internal void CheckNeutral ()
495 public virtual NumberFormatInfo NumberFormat {
497 if (!constructed) Construct ();
499 if (numInfo == null){
501 if (numInfo == null) {
502 numInfo = new NumberFormatInfo (m_isReadOnly);
503 construct_number_format ();
512 if (!constructed) Construct ();
513 if (m_isReadOnly) throw new InvalidOperationException(MSG_READONLY);
516 throw new ArgumentNullException ("NumberFormat");
522 public virtual DateTimeFormatInfo DateTimeFormat {
524 if (dateTimeInfo != null)
527 if (!constructed) Construct ();
530 var temp = new DateTimeFormatInfo (m_cultureData, Calendar);
531 temp.m_isReadOnly = m_isReadOnly;
532 System.Threading.Thread.MemoryBarrier();
538 if (!constructed) Construct ();
539 if (m_isReadOnly) throw new InvalidOperationException(MSG_READONLY);
542 throw new ArgumentNullException ("DateTimeFormat");
544 dateTimeInfo = value;
548 public virtual string DisplayName {
550 // Mono is not localized and will always return english name regardless of OS locale
555 public virtual string EnglishName {
557 if (!constructed) Construct ();
562 public static CultureInfo InstalledUICulture {
564 return ConstructCurrentCulture ();
568 public bool IsReadOnly {
576 // IFormatProvider implementation
578 public virtual object GetFormat( Type formatType )
580 object format = null;
582 if ( formatType == typeof(NumberFormatInfo) )
583 format = NumberFormat;
584 else if ( formatType == typeof(DateTimeFormatInfo) )
585 format = DateTimeFormat;
592 construct_internal_locale_from_lcid (cultureID);
596 [MethodImplAttribute (MethodImplOptions.InternalCall)]
597 private extern bool construct_internal_locale_from_lcid (int lcid);
599 [MethodImplAttribute (MethodImplOptions.InternalCall)]
600 private extern bool construct_internal_locale_from_name (string name);
602 [MethodImplAttribute (MethodImplOptions.InternalCall)]
603 private extern static string get_current_locale_name ();
605 [MethodImplAttribute (MethodImplOptions.InternalCall)]
606 private extern static CultureInfo [] internal_get_cultures (bool neutral, bool specific, bool installed);
608 [MethodImplAttribute (MethodImplOptions.InternalCall)]
609 private extern void construct_number_format ();
611 private void ConstructInvariant (bool read_only)
613 cultureID = InvariantCultureId;
615 /* NumberFormatInfo defaults to the invariant data */
616 numInfo=NumberFormatInfo.InvariantInfo;
619 numInfo = (NumberFormatInfo) numInfo.Clone ();
622 textInfo = CreateTextInfo (read_only);
626 nativename="Invariant Language (Invariant Country)";
630 default_calendar_type = 1 << CalendarTypeBits | (int) GregorianCalendarTypes.Localized;
633 private unsafe TextInfo CreateTextInfo (bool readOnly)
635 return new TextInfo (this, cultureID, this.textinfo_data, readOnly);
638 public CultureInfo (int culture) : this (culture, true) {}
640 public CultureInfo (int culture, bool useUserOverride) :
641 this (culture, useUserOverride, false) {}
643 private CultureInfo (int culture, bool useUserOverride, bool read_only)
646 throw new ArgumentOutOfRangeException ("culture", "Positive "
647 + "number required.");
650 m_isReadOnly = read_only;
651 m_useUserOverride = useUserOverride;
653 if (culture == InvariantCultureId) {
654 /* Short circuit the invariant culture */
655 ConstructInvariant (read_only);
656 m_cultureData = CultureData.Invariant;
660 if (!construct_internal_locale_from_lcid (culture)) {
662 // Be careful not to cause recursive CultureInfo initialization
664 var msg = string.Format (InvariantCulture, "Culture ID {0} (0x{1}) is not a supported culture.", culture.ToString (InvariantCulture), culture.ToString ("X4", InvariantCulture));
665 throw new CultureNotFoundException ("culture", msg);
668 m_cultureData = CultureData.GetCultureData (m_name, m_useUserOverride, datetime_index, CalendarType, iso2lang);
671 public CultureInfo (string name) : this (name, true) {}
673 public CultureInfo (string name, bool useUserOverride) :
674 this (name, useUserOverride, false) {}
676 private CultureInfo (string name, bool useUserOverride, bool read_only)
679 throw new ArgumentNullException ("name");
682 m_isReadOnly = read_only;
683 m_useUserOverride = useUserOverride;
684 m_isInherited = GetType() != typeof(System.Globalization.CultureInfo);
686 if (name.Length == 0) {
687 /* Short circuit the invariant culture */
688 ConstructInvariant (read_only);
689 m_cultureData = CultureData.Invariant;
693 if (!construct_internal_locale_from_name (name.ToLowerInvariant ())) {
694 throw CreateNotFoundException (name);
697 m_cultureData = CultureData.GetCultureData (m_name, useUserOverride, datetime_index, CalendarType, iso2lang);
700 // This is used when creating by specific name and creating by
701 // current locale so we can initialize the object without
702 // doing any member initialization
703 private CultureInfo () { constructed = true; }
704 static Dictionary<int, CultureInfo> shared_by_number;
705 static Dictionary<string, CultureInfo> shared_by_name;
707 static void insert_into_shared_tables (CultureInfo c)
709 if (shared_by_number == null){
710 shared_by_number = new Dictionary<int, CultureInfo> ();
711 shared_by_name = new Dictionary<string, CultureInfo> ();
713 shared_by_number [c.cultureID] = c;
714 shared_by_name [c.m_name] = c;
717 public static CultureInfo GetCultureInfo (int culture)
721 lock (shared_table_lock){
722 if (shared_by_number != null) {
723 if (shared_by_number.TryGetValue (culture, out c))
727 c = new CultureInfo (culture, false, true);
728 insert_into_shared_tables (c);
733 public static CultureInfo GetCultureInfo (string name)
736 throw new ArgumentNullException ("name");
739 lock (shared_table_lock){
740 if (shared_by_name != null){
741 if (shared_by_name.TryGetValue (name, out c))
744 c = new CultureInfo (name, false, true);
745 insert_into_shared_tables (c);
750 [MonoTODO ("Currently it ignores the altName parameter")]
751 public static CultureInfo GetCultureInfo (string name, string altName) {
753 throw new ArgumentNullException ("null");
755 throw new ArgumentNullException ("null");
757 return GetCultureInfo (name);
760 public static CultureInfo GetCultureInfoByIetfLanguageTag (string name)
762 // There could be more consistent way to implement
763 // it, but right now it works just fine with this...
766 return GetCultureInfo ("zh-CHS");
768 return GetCultureInfo ("zh-CHT");
770 return GetCultureInfo (name);
774 // used in runtime (icall.c) to construct CultureInfo for
775 // AssemblyName of assemblies
776 internal static CultureInfo CreateCulture (string name, bool reference)
779 bool use_user_override;
781 bool invariant = name.Length == 0;
783 use_user_override = invariant ? false : true;
787 use_user_override = invariant ? false : true;
790 return new CultureInfo (name, use_user_override, read_only);
793 public static CultureInfo CreateSpecificCulture (string name)
796 throw new ArgumentNullException ("name");
798 if (name.Length == 0)
799 return InvariantCulture;
802 name = name.ToLowerInvariant ();
803 CultureInfo ci = new CultureInfo ();
805 if (!ci.construct_internal_locale_from_name (name)) {
806 int idx = name.IndexOf ('-');
807 if (idx < 1 || !ci.construct_internal_locale_from_name (name.Substring (0, idx)))
808 throw CreateNotFoundException (src_name);
811 if (ci.IsNeutralCulture)
812 ci = CreateSpecificCultureFromNeutral (ci.Name);
814 ci.m_cultureData = CultureData.GetCultureData (ci.m_name, false, ci.datetime_index, ci.CalendarType, ci.iso2lang);
819 // Creates specific culture from neutral culture. Used by CreateSpecificCulture
820 // only but using separate method we can delay switch underlying Dictionary
823 static CultureInfo CreateSpecificCultureFromNeutral (string name)
828 // For neutral cultures find predefined default specific culture
830 // Use managed switch because we need this for only some cultures
831 // and the method is not used frequently
833 // TODO: We could optimize for cultures with single specific culture
835 switch (name.ToLowerInvariant ()) {
836 case "af": id = 1078; break;
837 case "am": id = 1118; break;
838 case "ar": id = 1025; break;
839 case "arn": id = 1146; break;
840 case "as": id = 1101; break;
841 case "az": id = 1068; break;
842 case "az-cyrl": id = 2092; break;
843 case "az-latn": id = 1068; break;
844 case "ba": id = 1133; break;
845 case "be": id = 1059; break;
846 case "bg": id = 1026; break;
847 case "bn": id = 1093; break;
848 case "bo": id = 1105; break;
849 case "br": id = 1150; break;
850 case "bs": id = 5146; break;
851 case "bs-cyrl": id = 8218; break;
852 case "bs-latn": id = 5146; break;
853 case "ca": id = 1027; break;
854 case "co": id = 1155; break;
855 case "cs": id = 1029; break;
856 case "cy": id = 1106; break;
857 case "da": id = 1030; break;
858 case "de": id = 1031; break;
859 case "dsb": id = 2094; break;
860 case "dv": id = 1125; break;
861 case "el": id = 1032; break;
862 case "en": id = 1033; break;
863 case "es": id = 3082; break;
864 case "et": id = 1061; break;
865 case "eu": id = 1069; break;
866 case "fa": id = 1065; break;
867 case "fi": id = 1035; break;
868 case "fil": id = 1124; break;
869 case "fo": id = 1080; break;
870 case "fr": id = 1036; break;
871 case "fy": id = 1122; break;
872 case "ga": id = 2108; break;
873 case "gd": id = 1169; break;
874 case "gl": id = 1110; break;
875 case "gsw": id = 1156; break;
876 case "gu": id = 1095; break;
877 case "ha": id = 1128; break;
878 case "ha-latn": id = 1128; break;
879 case "he": id = 1037; break;
880 case "hi": id = 1081; break;
881 case "hr": id = 1050; break;
882 case "hsb": id = 1070; break;
883 case "hu": id = 1038; break;
884 case "hy": id = 1067; break;
885 case "id": id = 1057; break;
886 case "ig": id = 1136; break;
887 case "ii": id = 1144; break;
888 case "is": id = 1039; break;
889 case "it": id = 1040; break;
890 case "iu": id = 2141; break;
891 case "iu-cans": id = 1117; break;
892 case "iu-latn": id = 2141; break;
893 case "ja": id = 1041; break;
894 case "ka": id = 1079; break;
895 case "kk": id = 1087; break;
896 case "kl": id = 1135; break;
897 case "km": id = 1107; break;
898 case "kn": id = 1099; break;
899 case "ko": id = 1042; break;
900 case "kok": id = 1111; break;
901 case "ky": id = 1088; break;
902 case "lb": id = 1134; break;
903 case "lo": id = 1108; break;
904 case "lt": id = 1063; break;
905 case "lv": id = 1062; break;
906 case "mi": id = 1153; break;
907 case "mk": id = 1071; break;
908 case "ml": id = 1100; break;
909 case "mn": id = 1104; break;
910 case "mn-cyrl": id = 1104; break;
911 case "mn-mong": id = 2128; break;
912 case "moh": id = 1148; break;
913 case "mr": id = 1102; break;
914 case "ms": id = 1086; break;
915 case "mt": id = 1082; break;
916 case "nb": id = 1044; break;
917 case "ne": id = 1121; break;
918 case "nl": id = 1043; break;
919 case "nn": id = 2068; break;
920 case "no": id = 1044; break;
921 case "nso": id = 1132; break;
922 case "oc": id = 1154; break;
923 case "or": id = 1096; break;
924 case "pa": id = 1094; break;
925 case "pl": id = 1045; break;
926 case "prs": id = 1164; break;
927 case "ps": id = 1123; break;
928 case "pt": id = 1046; break;
929 case "qut": id = 1158; break;
930 case "quz": id = 1131; break;
931 case "rm": id = 1047; break;
932 case "ro": id = 1048; break;
933 case "ru": id = 1049; break;
934 case "rw": id = 1159; break;
935 case "sa": id = 1103; break;
936 case "sah": id = 1157; break;
937 case "se": id = 1083; break;
938 case "si": id = 1115; break;
939 case "sk": id = 1051; break;
940 case "sl": id = 1060; break;
941 case "sma": id = 7227; break;
942 case "smj": id = 5179; break;
943 case "smn": id = 9275; break;
944 case "sms": id = 8251; break;
945 case "sq": id = 1052; break;
946 case "sr": id = 9242; break;
947 case "sr-cyrl": id = 10266; break;
948 case "sr-latn": id = 9242; break;
949 case "sv": id = 1053; break;
950 case "sw": id = 1089; break;
951 case "syr": id = 1114; break;
952 case "ta": id = 1097; break;
953 case "te": id = 1098; break;
954 case "tg": id = 1064; break;
955 case "tg-cyrl": id = 1064; break;
956 case "th": id = 1054; break;
957 case "tk": id = 1090; break;
958 case "tn": id = 1074; break;
959 case "tr": id = 1055; break;
960 case "tt": id = 1092; break;
961 case "tzm": id = 2143; break;
962 case "tzm-latn": id = 2143; break;
963 case "ug": id = 1152; break;
964 case "uk": id = 1058; break;
965 case "ur": id = 1056; break;
966 case "uz": id = 1091; break;
967 case "uz-cyrl": id = 2115; break;
968 case "uz-latn": id = 1091; break;
969 case "vi": id = 1066; break;
970 case "wo": id = 1160; break;
971 case "xh": id = 1076; break;
972 case "yo": id = 1130; break;
973 case "zh": id = 2052; break;
980 case "zu": id = 1077; break;
982 throw new NotImplementedException ("Mapping for neutral culture " + name);
985 return new CultureInfo (id);
988 internal int CalendarType {
990 switch (default_calendar_type >> CalendarTypeBits) {
992 return Calendar.CAL_GREGORIAN;
994 return Calendar.CAL_THAI;
996 return Calendar.CAL_UMALQURA;
998 return Calendar.CAL_HIJRI;
1000 throw new NotImplementedException ("CalendarType");
1005 static Calendar CreateCalendar (int calendarType)
1008 switch (calendarType >> CalendarTypeBits) {
1010 GregorianCalendarTypes greg_type;
1011 greg_type = (GregorianCalendarTypes) (calendarType & 0xFF);
1012 return new GregorianCalendar (greg_type);
1014 name = "System.Globalization.ThaiBuddhistCalendar";
1017 name = "System.Globalization.UmAlQuraCalendar";
1020 name = "System.Globalization.HijriCalendar";
1023 throw new NotImplementedException ("Unknown calendar type: " + calendarType);
1026 Type type = Type.GetType (name, false);
1028 return new GregorianCalendar (GregorianCalendarTypes.Localized); // return invariant calendar if not found
1029 return (Calendar) Activator.CreateInstance (type);
1032 static Exception CreateNotFoundException (string name)
1034 return new CultureNotFoundException ("name", "Culture name " + name + " is not supported.");
1037 public static CultureInfo DefaultThreadCurrentCulture {
1039 return Thread.default_culture;
1042 Thread.default_culture = value;
1046 public static CultureInfo DefaultThreadCurrentUICulture {
1048 return Thread.default_ui_culture;
1051 Thread.default_ui_culture = value;
1055 #region reference sources
1057 internal static readonly bool IsTaiwanSku;
1060 // CheckDomainSafetyObject throw if the object is customized object which cannot be attached to
1061 // other object (like CultureInfo or DateTimeFormatInfo).
1064 internal static void CheckDomainSafetyObject(Object obj, Object container)
1066 if (obj.GetType().Assembly != typeof(System.Globalization.CultureInfo).Assembly) {
1068 throw new InvalidOperationException(
1070 CultureInfo.CurrentCulture,
1071 Environment.GetResourceString("InvalidOperation_SubclassedObject"),
1073 container.GetType()));
1075 Contract.EndContractBlock();