|
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
namespace System.Globalization
{
using System;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
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))
{
Contract.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)
{
// for Geo----al reasons, the ----ese native name should only be returned when
// for ----ese SKU
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:
// for Geo----al reasons, the ----ese native name should only be returned when
// for ----ese SKU
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 CoreCLR < Win7 or 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)
{
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:
return "zh-TW"; // zh-TW Taiwan
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";
}
internal void FixupWin7MonthDaySemicolonBug()
{
int unescapedCharacterIndex = FindUnescapedCharacter(sMonthDay, ';');
if (unescapedCharacterIndex > 0)
{
sMonthDay = sMonthDay.Substring(0, unescapedCharacterIndex);
}
}
private static int FindUnescapedCharacter(string s, char charToFind)
{
bool inComment = false;
int length = s.Length;
for (int i = 0; i < length; i++)
{
char c = s[i];
switch (c)
{
case '\'':
inComment = !inComment;
break;
case '\\':
i++; // escape sequence -- skip next character
break;
default:
if (!inComment && charToFind == c)
{
return i;
}
break;
}
}
return -1;
}
// Get native two digit year max
[System.Security.SecurityCritical] // auto-generated
[ResourceExposure(ResourceScope.None)]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
internal static extern int nativeGetTwoDigitYearMax(int calID);
// Call native side to load our calendar data
[System.Security.SecuritySafeCritical] // auto-generated
[ResourceExposure(ResourceScope.None)]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private static extern bool nativeGetCalendarData(CalendarData data, String localeName, int calendar);
// Call native side to figure out which calendars are allowed
[System.Security.SecuritySafeCritical] // auto-generated
[ResourceExposure(ResourceScope.None)]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
internal static extern int nativeGetCalendars(String localeName, bool useUserOverride, [In, Out] int[] calendars);
}
}
|