diff options
Diffstat (limited to 'src/mscorlib/corefx/System/Globalization/CalendarData.Unix.cs')
| -rw-r--r-- | src/mscorlib/corefx/System/Globalization/CalendarData.Unix.cs | 335 |
1 files changed, 0 insertions, 335 deletions
diff --git a/src/mscorlib/corefx/System/Globalization/CalendarData.Unix.cs b/src/mscorlib/corefx/System/Globalization/CalendarData.Unix.cs deleted file mode 100644 index 19c81f17b0..0000000000 --- a/src/mscorlib/corefx/System/Globalization/CalendarData.Unix.cs +++ /dev/null @@ -1,335 +0,0 @@ -// 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. - -using System.Collections.Generic; -using System.Diagnostics; -using System.Diagnostics.Contracts; -using System.Runtime.InteropServices; -using System.Security; -using System.Text; - -namespace System.Globalization -{ - // needs to be kept in sync with CalendarDataType in System.Globalization.Native - internal enum CalendarDataType - { - Uninitialized = 0, - NativeName = 1, - MonthDay = 2, - ShortDates = 3, - LongDates = 4, - YearMonths = 5, - DayNames = 6, - AbbrevDayNames = 7, - MonthNames = 8, - AbbrevMonthNames = 9, - SuperShortDayNames = 10, - MonthGenitiveNames = 11, - AbbrevMonthGenitiveNames = 12, - EraNames = 13, - AbbrevEraNames = 14, - } - - internal partial class CalendarData - { - private bool LoadCalendarDataFromSystem(String localeName, CalendarId calendarId) - { - bool result = true; - result &= GetCalendarInfo(localeName, calendarId, CalendarDataType.NativeName, out this.sNativeName); - result &= GetCalendarInfo(localeName, calendarId, CalendarDataType.MonthDay, out this.sMonthDay); - this.sMonthDay = NormalizeDatePattern(this.sMonthDay); - - result &= EnumDatePatterns(localeName, calendarId, CalendarDataType.ShortDates, out this.saShortDates); - result &= EnumDatePatterns(localeName, calendarId, CalendarDataType.LongDates, out this.saLongDates); - result &= EnumDatePatterns(localeName, calendarId, CalendarDataType.YearMonths, out this.saYearMonths); - result &= EnumCalendarInfo(localeName, calendarId, CalendarDataType.DayNames, out this.saDayNames); - result &= EnumCalendarInfo(localeName, calendarId, CalendarDataType.AbbrevDayNames, out this.saAbbrevDayNames); - result &= EnumCalendarInfo(localeName, calendarId, CalendarDataType.SuperShortDayNames, out this.saSuperShortDayNames); - result &= EnumMonthNames(localeName, calendarId, CalendarDataType.MonthNames, out this.saMonthNames); - result &= EnumMonthNames(localeName, calendarId, CalendarDataType.AbbrevMonthNames, out this.saAbbrevMonthNames); - result &= EnumMonthNames(localeName, calendarId, CalendarDataType.MonthGenitiveNames, out this.saMonthGenitiveNames); - result &= EnumMonthNames(localeName, calendarId, CalendarDataType.AbbrevMonthGenitiveNames, out this.saAbbrevMonthGenitiveNames); - result &= EnumEraNames(localeName, calendarId, CalendarDataType.EraNames, out this.saEraNames); - result &= EnumEraNames(localeName, calendarId, CalendarDataType.AbbrevEraNames, out this.saAbbrevEraNames); - - return result; - } - - internal static int GetTwoDigitYearMax(CalendarId calendarId) - { - // There is no user override for this value on Linux or in ICU. - // So just return -1 to use the hard-coded defaults. - return -1; - } - - // Call native side to figure out which calendars are allowed - internal static int GetCalendars(string localeName, bool useUserOverride, CalendarId[] calendars) - { - // NOTE: there are no 'user overrides' on Linux - int count = Interop.GlobalizationInterop.GetCalendars(localeName, calendars, calendars.Length); - - // ensure there is at least 1 calendar returned - if (count == 0 && calendars.Length > 0) - { - calendars[0] = CalendarId.GREGORIAN; - count = 1; - } - - return count; - } - - private static bool SystemSupportsTaiwaneseCalendar() - { - return true; - } - - // PAL Layer ends here - - private static bool GetCalendarInfo(string localeName, CalendarId calendarId, CalendarDataType dataType, out string calendarString) - { - return Interop.CallStringMethod( - (locale, calId, type, stringBuilder) => - Interop.GlobalizationInterop.GetCalendarInfo( - locale, - calId, - type, - stringBuilder, - stringBuilder.Capacity), - localeName, - calendarId, - dataType, - out calendarString); - } - - private static bool EnumDatePatterns(string localeName, CalendarId calendarId, CalendarDataType dataType, out string[] datePatterns) - { - datePatterns = null; - - CallbackContext callbackContext = new CallbackContext(); - callbackContext.DisallowDuplicates = true; - bool result = EnumCalendarInfo(localeName, calendarId, dataType, callbackContext); - if (result) - { - List<string> datePatternsList = callbackContext.Results; - - datePatterns = new string[datePatternsList.Count]; - for (int i = 0; i < datePatternsList.Count; i++) - { - datePatterns[i] = NormalizeDatePattern(datePatternsList[i]); - } - } - - return result; - } - - /// <summary> - /// The ICU date format characters are not exactly the same as the .NET date format characters. - /// NormalizeDatePattern will take in an ICU date pattern and return the equivalent .NET date pattern. - /// </summary> - /// <remarks> - /// see Date Field Symbol Table in http://userguide.icu-project.org/formatparse/datetime - /// and https://msdn.microsoft.com/en-us/library/8kb3ddd4(v=vs.110).aspx - /// </remarks> - private static string NormalizeDatePattern(string input) - { - StringBuilder destination = StringBuilderCache.Acquire(input.Length); - - int index = 0; - while (index < input.Length) - { - switch (input[index]) - { - case '\'': - // single quotes escape characters, like 'de' in es-SP - // so read verbatim until the next single quote - destination.Append(input[index++]); - while (index < input.Length) - { - char current = input[index++]; - destination.Append(current); - if (current == '\'') - { - break; - } - } - break; - case 'E': - case 'e': - case 'c': - // 'E' in ICU is the day of the week, which maps to 3 or 4 'd's in .NET - // 'e' in ICU is the local day of the week, which has no representation in .NET, but - // maps closest to 3 or 4 'd's in .NET - // 'c' in ICU is the stand-alone day of the week, which has no representation in .NET, but - // maps closest to 3 or 4 'd's in .NET - NormalizeDayOfWeek(input, destination, ref index); - break; - case 'L': - case 'M': - // 'L' in ICU is the stand-alone name of the month, - // which maps closest to 'M' in .NET since it doesn't support stand-alone month names in patterns - // 'M' in both ICU and .NET is the month, - // but ICU supports 5 'M's, which is the super short month name - int occurrences = CountOccurrences(input, input[index], ref index); - if (occurrences > 4) - { - // 5 'L's or 'M's in ICU is the super short name, which maps closest to MMM in .NET - occurrences = 3; - } - destination.Append('M', occurrences); - break; - case 'G': - // 'G' in ICU is the era, which maps to 'g' in .NET - occurrences = CountOccurrences(input, 'G', ref index); - - // it doesn't matter how many 'G's, since .NET only supports 'g' or 'gg', and they - // have the same meaning - destination.Append('g'); - break; - case 'y': - // a single 'y' in ICU is the year with no padding or trimming. - // a single 'y' in .NET is the year with 1 or 2 digits - // so convert any single 'y' to 'yyyy' - occurrences = CountOccurrences(input, 'y', ref index); - if (occurrences == 1) - { - occurrences = 4; - } - destination.Append('y', occurrences); - break; - default: - const string unsupportedDateFieldSymbols = "YuUrQqwWDFg"; - Debug.Assert(unsupportedDateFieldSymbols.IndexOf(input[index]) == -1, - string.Format(CultureInfo.InvariantCulture, - "Encountered an unexpected date field symbol '{0}' from ICU which has no known corresponding .NET equivalent.", - input[index])); - - destination.Append(input[index++]); - break; - } - } - - return StringBuilderCache.GetStringAndRelease(destination); - } - - private static void NormalizeDayOfWeek(string input, StringBuilder destination, ref int index) - { - char dayChar = input[index]; - int occurrences = CountOccurrences(input, dayChar, ref index); - occurrences = Math.Max(occurrences, 3); - if (occurrences > 4) - { - // 5 and 6 E/e/c characters in ICU is the super short names, which maps closest to ddd in .NET - occurrences = 3; - } - - destination.Append('d', occurrences); - } - - private static int CountOccurrences(string input, char value, ref int index) - { - int startIndex = index; - while (index < input.Length && input[index] == value) - { - index++; - } - - return index - startIndex; - } - - private static bool EnumMonthNames(string localeName, CalendarId calendarId, CalendarDataType dataType, out string[] monthNames) - { - monthNames = null; - - CallbackContext callbackContext = new CallbackContext(); - bool result = EnumCalendarInfo(localeName, calendarId, dataType, callbackContext); - if (result) - { - // the month-name arrays are expected to have 13 elements. If ICU only returns 12, add an - // extra empty string to fill the array. - if (callbackContext.Results.Count == 12) - { - callbackContext.Results.Add(string.Empty); - } - - monthNames = callbackContext.Results.ToArray(); - } - - return result; - } - - private static bool EnumEraNames(string localeName, CalendarId calendarId, CalendarDataType dataType, out string[] eraNames) - { - bool result = EnumCalendarInfo(localeName, calendarId, dataType, out eraNames); - - // .NET expects that only the Japanese calendars have more than 1 era. - // So for other calendars, only return the latest era. - if (calendarId != CalendarId.JAPAN && calendarId != CalendarId.JAPANESELUNISOLAR && eraNames.Length > 0) - { - string[] latestEraName = new string[] { eraNames[eraNames.Length - 1] }; - eraNames = latestEraName; - } - - return result; - } - - internal static bool EnumCalendarInfo(string localeName, CalendarId calendarId, CalendarDataType dataType, out string[] calendarData) - { - calendarData = null; - - CallbackContext callbackContext = new CallbackContext(); - bool result = EnumCalendarInfo(localeName, calendarId, dataType, callbackContext); - if (result) - { - calendarData = callbackContext.Results.ToArray(); - } - - return result; - } - - private static bool EnumCalendarInfo(string localeName, CalendarId calendarId, CalendarDataType dataType, CallbackContext callbackContext) - { - GCHandle context = GCHandle.Alloc(callbackContext); - try - { - return Interop.GlobalizationInterop.EnumCalendarInfo(EnumCalendarInfoCallback, localeName, calendarId, dataType, (IntPtr)context); - } - finally - { - context.Free(); - } - } - - private static void EnumCalendarInfoCallback(string calendarString, IntPtr context) - { - CallbackContext callbackContext = (CallbackContext)((GCHandle)context).Target; - - if (callbackContext.DisallowDuplicates) - { - foreach (string existingResult in callbackContext.Results) - { - if (string.Equals(calendarString, existingResult, StringComparison.Ordinal)) - { - // the value is already in the results, so don't add it again - return; - } - } - } - - callbackContext.Results.Add(calendarString); - } - - private class CallbackContext - { - private List<string> _results = new List<string>(); - - public CallbackContext() - { - } - - public List<string> Results { get { return _results; } } - - public bool DisallowDuplicates { get; set; } - } - } -} |