diff options
Diffstat (limited to 'src/mscorlib/corefx/System/Globalization/JapaneseCalendar.Win32.cs')
-rw-r--r-- | src/mscorlib/corefx/System/Globalization/JapaneseCalendar.Win32.cs | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/src/mscorlib/corefx/System/Globalization/JapaneseCalendar.Win32.cs b/src/mscorlib/corefx/System/Globalization/JapaneseCalendar.Win32.cs deleted file mode 100644 index a83c4fad9e..0000000000 --- a/src/mscorlib/corefx/System/Globalization/JapaneseCalendar.Win32.cs +++ /dev/null @@ -1,209 +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.Diagnostics; - -using Microsoft.Win32; - -namespace System.Globalization -{ - public partial class JapaneseCalendar : Calendar - { - private const string c_japaneseErasHive = @"System\CurrentControlSet\Control\Nls\Calendars\Japanese\Eras"; - private const string c_japaneseErasHivePermissionList = @"HKEY_LOCAL_MACHINE\" + c_japaneseErasHive; - - // We know about 4 built-in eras, however users may add additional era(s) from the - // registry, by adding values to HKLM\SYSTEM\CurrentControlSet\Control\Nls\Calendars\Japanese\Eras - // - // Registry values look like: - // yyyy.mm.dd=era_abbrev_english_englishabbrev - // - // Where yyyy.mm.dd is the registry value name, and also the date of the era start. - // yyyy, mm, and dd are the year, month & day the era begins (4, 2 & 2 digits long) - // era is the Japanese Era name - // abbrev is the Abbreviated Japanese Era Name - // english is the English name for the Era (unused) - // englishabbrev is the Abbreviated English name for the era. - // . is a delimiter, but the value of . doesn't matter. - // '_' marks the space between the japanese era name, japanese abbreviated era name - // english name, and abbreviated english names. - private static EraInfo[] GetJapaneseEras() - { - // Look in the registry key and see if we can find any ranges - int iFoundEras = 0; - EraInfo[] registryEraRanges = null; - - try - { - // Need to access registry - RegistryKey key = RegistryKey.GetBaseKey(RegistryKey.HKEY_LOCAL_MACHINE).OpenSubKey(c_japaneseErasHive, false); - - // Abort if we didn't find anything - if (key == null) return null; - - // Look up the values in our reg key - String[] valueNames = key.GetValueNames(); - if (valueNames != null && valueNames.Length > 0) - { - registryEraRanges = new EraInfo[valueNames.Length]; - - // Loop through the registry and read in all the values - for (int i = 0; i < valueNames.Length; i++) - { - // See if the era is a valid date - EraInfo era = GetEraFromValue(valueNames[i], key.GetValue(valueNames[i]).ToString()); - - // continue if not valid - if (era == null) continue; - - // Remember we found one. - registryEraRanges[iFoundEras] = era; - iFoundEras++; - } - } - } - catch (System.Security.SecurityException) - { - // If we weren't allowed to read, then just ignore the error - return null; - } - catch (System.IO.IOException) - { - // If key is being deleted just ignore the error - return null; - } - catch (System.UnauthorizedAccessException) - { - // Registry access rights permissions, just ignore the error - return null; - } - - // - // If we didn't have valid eras, then fail - // should have at least 4 eras - // - if (iFoundEras < 4) return null; - - // - // Now we have eras, clean them up. - // - // Clean up array length - Array.Resize(ref registryEraRanges, iFoundEras); - - // Sort them - Array.Sort(registryEraRanges, CompareEraRanges); - - // Clean up era information - for (int i = 0; i < registryEraRanges.Length; i++) - { - // eras count backwards from length to 1 (and are 1 based indexes into string arrays) - registryEraRanges[i].era = registryEraRanges.Length - i; - - // update max era year - if (i == 0) - { - // First range is 'til the end of the calendar - registryEraRanges[0].maxEraYear = GregorianCalendar.MaxYear - registryEraRanges[0].yearOffset; - } - else - { - // Rest are until the next era (remember most recent era is first in array) - registryEraRanges[i].maxEraYear = registryEraRanges[i - 1].yearOffset + 1 - registryEraRanges[i].yearOffset; - } - } - - // Return our ranges - return registryEraRanges; - } - - // - // Compare two era ranges, eg just the ticks - // Remember the era array is supposed to be in reverse chronological order - // - private static int CompareEraRanges(EraInfo a, EraInfo b) - { - return b.ticks.CompareTo(a.ticks); - } - - // - // GetEraFromValue - // - // Parse the registry value name/data pair into an era - // - // Registry values look like: - // yyyy.mm.dd=era_abbrev_english_englishabbrev - // - // Where yyyy.mm.dd is the registry value name, and also the date of the era start. - // yyyy, mm, and dd are the year, month & day the era begins (4, 2 & 2 digits long) - // era is the Japanese Era name - // abbrev is the Abbreviated Japanese Era Name - // english is the English name for the Era (unused) - // englishabbrev is the Abbreviated English name for the era. - // . is a delimiter, but the value of . doesn't matter. - // '_' marks the space between the japanese era name, japanese abbreviated era name - // english name, and abbreviated english names. - private static EraInfo GetEraFromValue(String value, String data) - { - // Need inputs - if (value == null || data == null) return null; - - // - // Get Date - // - // Need exactly 10 characters in name for date - // yyyy.mm.dd although the . can be any character - if (value.Length != 10) return null; - - int year; - int month; - int day; - - if (!Int32.TryParse(value.Substring(0, 4), NumberStyles.None, NumberFormatInfo.InvariantInfo, out year) || - !Int32.TryParse(value.Substring(5, 2), NumberStyles.None, NumberFormatInfo.InvariantInfo, out month) || - !Int32.TryParse(value.Substring(8, 2), NumberStyles.None, NumberFormatInfo.InvariantInfo, out day)) - { - // Couldn't convert integer, fail - return null; - } - - // - // Get Strings - // - // Needs to be a certain length e_a_E_A at least (7 chars, exactly 4 groups) - String[] names = data.Split('_'); - - // Should have exactly 4 parts - // 0 - Era Name - // 1 - Abbreviated Era Name - // 2 - English Era Name - // 3 - Abbreviated English Era Name - if (names.Length != 4) return null; - - // Each part should have data in it - if (names[0].Length == 0 || - names[1].Length == 0 || - names[2].Length == 0 || - names[3].Length == 0) - return null; - - // - // Now we have an era we can build - // Note that the era # and max era year need cleaned up after sorting - // Don't use the full English Era Name (names[2]) - // - return new EraInfo(0, year, month, day, year - 1, 1, 0, - names[0], names[1], names[3]); - } - - // PAL Layer ends here - - private static string[] s_japaneseErasEnglishNames = new String[] { "M", "T", "S", "H" }; - - private static string GetJapaneseEnglishEraName(int era) - { - Debug.Assert(era > 0); - return era <= s_japaneseErasEnglishNames.Length ? s_japaneseErasEnglishNames[era - 1] : " "; - } - } -} |