// Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // See the LICENSE file in the project root for more information. namespace System.Globalization { using System; using System.Runtime.InteropServices; using System.Runtime.CompilerServices; using System.Runtime.Versioning; using System.Diagnostics; using System.Diagnostics.Contracts; // // List of calendar data // Note the we cache overrides. // Note that localized names (resource names) aren't available from here. // // NOTE: Calendars depend on the locale name that creates it. Only a few // properties are available without locales using CalendarData.GetCalendar(int) // StructLayout is needed here otherwise compiler can re-arrange the fields. // We have to keep this in-sync with the definition in calendardata.h // // WARNING WARNING WARNING // // WARNING: Anything changed here also needs to be updated on the native side (object.h see type CalendarDataBaseObject) // WARNING: The type loader will rearrange class member offsets so the mscorwks!CalendarDataBaseObject // WARNING: must be manually structured to match the true loaded class layout // internal class CalendarData { // Max calendars internal const int MAX_CALENDARS = 23; // Identity internal String sNativeName ; // Calendar Name for the locale // Formats internal String[] saShortDates ; // Short Data format, default first internal String[] saYearMonths ; // Year/Month Data format, default first internal String[] saLongDates ; // Long Data format, default first internal String sMonthDay ; // Month/Day format // Calendar Parts Names internal String[] saEraNames ; // Names of Eras internal String[] saAbbrevEraNames ; // Abbreviated Era Names internal String[] saAbbrevEnglishEraNames ; // Abbreviated Era Names in English internal String[] saDayNames ; // Day Names, null to use locale data, starts on Sunday internal String[] saAbbrevDayNames ; // Abbrev Day Names, null to use locale data, starts on Sunday internal String[] saSuperShortDayNames ; // Super short Day of week names internal String[] saMonthNames ; // Month Names (13) internal String[] saAbbrevMonthNames ; // Abbrev Month Names (13) internal String[] saMonthGenitiveNames ; // Genitive Month Names (13) internal String[] saAbbrevMonthGenitiveNames; // Genitive Abbrev Month Names (13) internal String[] saLeapYearMonthNames ; // Multiple strings for the month names in a leap year. // Integers at end to make marshaller happier internal int iTwoDigitYearMax=2029 ; // Max 2 digit year (for Y2K bug data entry) internal int iCurrentEra=0 ; // current era # (usually 1) // Use overrides? internal bool bUseUserOverrides ; // True if we want user overrides. // Static invariant for the invariant locale internal static CalendarData Invariant; // Private constructor private CalendarData() {} // Invariant constructor static CalendarData() { // Set our default/gregorian US calendar data // Calendar IDs are 1-based, arrays are 0 based. CalendarData invariant = new CalendarData(); // Set default data for calendar // Note that we don't load resources since this IS NOT supposed to change (by definition) invariant.sNativeName = "Gregorian Calendar"; // Calendar Name // Year invariant.iTwoDigitYearMax = 2029; // Max 2 digit year (for Y2K bug data entry) invariant.iCurrentEra = 1; // Current era # // Formats invariant.saShortDates = new String[] { "MM/dd/yyyy", "yyyy-MM-dd" }; // short date format invariant.saLongDates = new String[] { "dddd, dd MMMM yyyy"}; // long date format invariant.saYearMonths = new String[] { "yyyy MMMM" }; // year month format invariant.sMonthDay = "MMMM dd"; // Month day pattern // Calendar Parts Names invariant.saEraNames = new String[] { "A.D." }; // Era names invariant.saAbbrevEraNames = new String[] { "AD" }; // Abbreviated Era names invariant.saAbbrevEnglishEraNames=new String[] { "AD" }; // Abbreviated era names in English invariant.saDayNames = new String[] { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" };// day names invariant.saAbbrevDayNames = new String[] { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; // abbreviated day names invariant.saSuperShortDayNames = new String[] { "Su", "Mo", "Tu", "We", "Th", "Fr", "Sa" }; // The super short day names invariant.saMonthNames = new String[] { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December", String.Empty}; // month names invariant.saAbbrevMonthNames = new String[] { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", String.Empty}; // abbreviated month names invariant.saMonthGenitiveNames = invariant.saMonthNames; // Genitive month names (same as month names for invariant) invariant.saAbbrevMonthGenitiveNames=invariant.saAbbrevMonthNames; // Abbreviated genitive month names (same as abbrev month names for invariant) invariant.saLeapYearMonthNames = invariant.saMonthNames; // leap year month names are unused in Gregorian English (invariant) invariant.bUseUserOverrides = false; // Calendar was built, go ahead and assign it... Invariant = invariant; } // // Get a bunch of data for a calendar // internal CalendarData(String localeName, int calendarId, bool bUseUserOverrides) { // Call nativeGetCalendarData to populate the data this.bUseUserOverrides = bUseUserOverrides; if (!nativeGetCalendarData(this, localeName, calendarId)) { Debug.Assert(false, "[CalendarData] nativeGetCalendarData call isn't expected to fail for calendar " + calendarId + " locale " +localeName); // Something failed, try invariant for missing parts // This is really not good, but we don't want the callers to crash. if (this.sNativeName == null) this.sNativeName = String.Empty; // Calendar Name for the locale. // Formats if (this.saShortDates == null) this.saShortDates = Invariant.saShortDates; // Short Data format, default first if (this.saYearMonths == null) this.saYearMonths = Invariant.saYearMonths; // Year/Month Data format, default first if (this.saLongDates == null) this.saLongDates = Invariant.saLongDates; // Long Data format, default first if (this.sMonthDay == null) this.sMonthDay = Invariant.sMonthDay; // Month/Day format // Calendar Parts Names if (this.saEraNames == null) this.saEraNames = Invariant.saEraNames; // Names of Eras if (this.saAbbrevEraNames == null) this.saAbbrevEraNames = Invariant.saAbbrevEraNames; // Abbreviated Era Names if (this.saAbbrevEnglishEraNames == null) this.saAbbrevEnglishEraNames = Invariant.saAbbrevEnglishEraNames; // Abbreviated Era Names in English if (this.saDayNames == null) this.saDayNames = Invariant.saDayNames; // Day Names, null to use locale data, starts on Sunday if (this.saAbbrevDayNames == null) this.saAbbrevDayNames = Invariant.saAbbrevDayNames; // Abbrev Day Names, null to use locale data, starts on Sunday if (this.saSuperShortDayNames == null) this.saSuperShortDayNames = Invariant.saSuperShortDayNames; // Super short Day of week names if (this.saMonthNames == null) this.saMonthNames = Invariant.saMonthNames; // Month Names (13) if (this.saAbbrevMonthNames == null) this.saAbbrevMonthNames = Invariant.saAbbrevMonthNames; // Abbrev Month Names (13) // Genitive and Leap names can follow the fallback below } // Clean up the escaping of the formats this.saShortDates = CultureData.ReescapeWin32Strings(this.saShortDates); this.saLongDates = CultureData.ReescapeWin32Strings(this.saLongDates); this.saYearMonths = CultureData.ReescapeWin32Strings(this.saYearMonths); this.sMonthDay = CultureData.ReescapeWin32String(this.sMonthDay); if ((CalendarId)calendarId == CalendarId.TAIWAN) { if (CultureInfo.IsTaiwanSku) { // We got the month/day names from the OS (same as gregorian), but the native name is wrong this.sNativeName = "\x4e2d\x83ef\x6c11\x570b\x66c6"; } else { this.sNativeName = String.Empty; } } // Check for null genitive names (in case unmanaged side skips it for non-gregorian calendars, etc) if (this.saMonthGenitiveNames == null || String.IsNullOrEmpty(this.saMonthGenitiveNames[0])) this.saMonthGenitiveNames = this.saMonthNames; // Genitive month names (same as month names for invariant) if (this.saAbbrevMonthGenitiveNames == null || String.IsNullOrEmpty(this.saAbbrevMonthGenitiveNames[0])) this.saAbbrevMonthGenitiveNames = this.saAbbrevMonthNames; // Abbreviated genitive month names (same as abbrev month names for invariant) if (this.saLeapYearMonthNames == null || String.IsNullOrEmpty(this.saLeapYearMonthNames[0])) this.saLeapYearMonthNames = this.saMonthNames; InitializeEraNames(localeName, calendarId); InitializeAbbreviatedEraNames(localeName, calendarId); // Abbreviated English Era Names are only used for the Japanese calendar. if (calendarId == (int)CalendarId.JAPAN) { this.saAbbrevEnglishEraNames = JapaneseCalendar.EnglishEraNames(); } else { // For all others just use the an empty string (doesn't matter we'll never ask for it for other calendars) this.saAbbrevEnglishEraNames = new String[] { "" }; } // Japanese is the only thing with > 1 era. Its current era # is how many ever // eras are in the array. (And the others all have 1 string in the array) this.iCurrentEra = this.saEraNames.Length; } private void InitializeEraNames(string localeName, int calendarId) { // Note that the saEraNames only include "A.D." We don't have localized names for other calendars available from windows switch ((CalendarId)calendarId) { // For Localized Gregorian we really expect the data from the OS. case CalendarId.GREGORIAN: // Fallback for CoreCLR < Win7 or culture.dll missing if (this.saEraNames == null || this.saEraNames.Length == 0 || String.IsNullOrEmpty(this.saEraNames[0])) { this.saEraNames = new String[] { "A.D." }; } break; // The rest of the calendars have constant data, so we'll just use that case CalendarId.GREGORIAN_US: case CalendarId.JULIAN: this.saEraNames = new String[] { "A.D." }; break; case CalendarId.HEBREW: this.saEraNames = new String[] { "C.E." }; break; case CalendarId.HIJRI: case CalendarId.UMALQURA: if (localeName == "dv-MV") { // Special case for Divehi this.saEraNames = new String[] { "\x0780\x07a8\x0796\x07b0\x0783\x07a9" }; } else { this.saEraNames = new String[] { "\x0628\x0639\x062F \x0627\x0644\x0647\x062C\x0631\x0629" }; } break; case CalendarId.GREGORIAN_ARABIC: case CalendarId.GREGORIAN_XLIT_ENGLISH: case CalendarId.GREGORIAN_XLIT_FRENCH: // These are all the same: this.saEraNames = new String[] { "\x0645" }; break; case CalendarId.GREGORIAN_ME_FRENCH: this.saEraNames = new String[] { "ap. J.-C." }; break; case CalendarId.TAIWAN: if (CultureInfo.IsTaiwanSku) { this.saEraNames = new String[] { "\x4e2d\x83ef\x6c11\x570b" }; } else { this.saEraNames = new String[] { String.Empty }; } break; case CalendarId.KOREA: this.saEraNames = new String[] { "\xb2e8\xae30" }; break; case CalendarId.THAI: this.saEraNames = new String[] { "\x0e1e\x002e\x0e28\x002e" }; break; case CalendarId.JAPAN: case CalendarId.JAPANESELUNISOLAR: this.saEraNames = JapaneseCalendar.EraNames(); break; case CalendarId.PERSIAN: if (this.saEraNames == null || this.saEraNames.Length == 0 || String.IsNullOrEmpty(this.saEraNames[0])) { this.saEraNames = new String[] { "\x0647\x002e\x0634" }; } break; default: // Most calendars are just "A.D." this.saEraNames = Invariant.saEraNames; break; } } private void InitializeAbbreviatedEraNames(string localeName, int calendarId) { // Note that the saAbbrevEraNames only include "AD" We don't have localized names for other calendars available from windows switch ((CalendarId)calendarId) { // For Localized Gregorian we really expect the data from the OS. case CalendarId.GREGORIAN: // Fallback for culture.dll missing if (this.saAbbrevEraNames == null || this.saAbbrevEraNames.Length == 0 || String.IsNullOrEmpty(this.saAbbrevEraNames[0])) { this.saAbbrevEraNames = new String[] { "AD" }; } break; // The rest of the calendars have constant data, so we'll just use that case CalendarId.GREGORIAN_US: case CalendarId.JULIAN: this.saAbbrevEraNames = new String[] { "AD" }; break; case CalendarId.JAPAN: case CalendarId.JAPANESELUNISOLAR: this.saAbbrevEraNames = JapaneseCalendar.AbbrevEraNames(); break; case CalendarId.HIJRI: case CalendarId.UMALQURA: if (localeName == "dv-MV") { // Special case for Divehi this.saAbbrevEraNames = new String[] { "\x0780\x002e" }; } else { this.saAbbrevEraNames = new String[] { "\x0647\x0640" }; } break; case CalendarId.TAIWAN: // Get era name and abbreviate it this.saAbbrevEraNames = new String[1]; if (this.saEraNames[0].Length == 4) { this.saAbbrevEraNames[0] = this.saEraNames[0].Substring(2,2); } else { this.saAbbrevEraNames[0] = this.saEraNames[0]; } break; case CalendarId.PERSIAN: if (this.saAbbrevEraNames == null || this.saAbbrevEraNames.Length == 0 || String.IsNullOrEmpty(this.saAbbrevEraNames[0])) { this.saAbbrevEraNames = this.saEraNames; } break; default: // Most calendars just use the full name this.saAbbrevEraNames = this.saEraNames; break; } } internal static CalendarData GetCalendarData(int calendarId) { // // Get a calendar. // Unfortunately we depend on the locale in the OS, so we need a locale // no matter what. So just get the appropriate calendar from the // appropriate locale here // // Get a culture name String culture = CalendarIdToCultureName(calendarId); // Return our calendar return CultureInfo.GetCultureInfo(culture).m_cultureData.GetCalendar(calendarId); } // // Helper methods // private static String CalendarIdToCultureName(int calendarId) { // note that this doesn't handle the new calendars (lunisolar, etc) switch (calendarId) { case Calendar.CAL_GREGORIAN_US: return "fa-IR"; // "fa-IR" Iran case Calendar.CAL_JAPAN: return "ja-JP"; // "ja-JP" Japan case Calendar.CAL_TAIWAN: // zh-TW Taiwan return "zh-TW"; case Calendar.CAL_KOREA: return "ko-KR"; // "ko-KR" Korea case Calendar.CAL_HIJRI: case Calendar.CAL_GREGORIAN_ARABIC: case Calendar.CAL_UMALQURA: return "ar-SA"; // "ar-SA" Saudi Arabia case Calendar.CAL_THAI: return "th-TH"; // "th-TH" Thailand case Calendar.CAL_HEBREW: return "he-IL"; // "he-IL" Israel case Calendar.CAL_GREGORIAN_ME_FRENCH: return "ar-DZ"; // "ar-DZ" Algeria case Calendar.CAL_GREGORIAN_XLIT_ENGLISH: case Calendar.CAL_GREGORIAN_XLIT_FRENCH: return "ar-IQ"; // "ar-IQ"; Iraq default: // Default to gregorian en-US break; } return "en-US"; } // Get native two digit year max [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern int nativeGetTwoDigitYearMax(int calID); // Call native side to load our calendar data [MethodImplAttribute(MethodImplOptions.InternalCall)] private static extern bool nativeGetCalendarData(CalendarData data, String localeName, int calendar); // Call native side to figure out which calendars are allowed [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern int nativeGetCalendars(String localeName, bool useUserOverride, [In, Out] int[] calendars); } }