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diff --git a/src/mscorlib/src/System/Globalization/DateTimeFormatInfo.cs b/src/mscorlib/src/System/Globalization/DateTimeFormatInfo.cs
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-// 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.Security;
- using System.Threading;
- using System.Collections;
- using System.Collections.Generic;
- using System.Runtime.Serialization;
- using System.Runtime.InteropServices;
- using System.Runtime.Versioning;
- using System.Text;
- using System.Diagnostics;
- using System.Diagnostics.Contracts;
-
- //
- // Flags used to indicate different styles of month names.
- // This is an internal flag used by internalGetMonthName().
- // Use flag here in case that we need to provide a combination of these styles
- // (such as month name of a leap year in genitive form. Not likely for now,
- // but would like to keep the option open).
- //
-
- [Flags]
- internal enum MonthNameStyles {
- Regular = 0x00000000,
- Genitive = 0x00000001,
- LeapYear = 0x00000002,
- }
-
- //
- // Flags used to indicate special rule used in parsing/formatting
- // for a specific DateTimeFormatInfo instance.
- // This is an internal flag.
- //
- // This flag is different from MonthNameStyles because this flag
- // can be expanded to accomodate parsing behaviors like CJK month names
- // or alternative month names, etc.
-
- [Flags]
- internal enum DateTimeFormatFlags {
- None = 0x00000000,
- UseGenitiveMonth = 0x00000001,
- UseLeapYearMonth = 0x00000002,
- UseSpacesInMonthNames = 0x00000004, // Has spaces or non-breaking space in the month names.
- UseHebrewRule = 0x00000008, // Format/Parse using the Hebrew calendar rule.
- UseSpacesInDayNames = 0x00000010, // Has spaces or non-breaking space in the day names.
- UseDigitPrefixInTokens = 0x00000020, // Has token starting with numbers.
-
- NotInitialized = -1,
- }
-
-
- [Serializable]
- public sealed class DateTimeFormatInfo : ICloneable, IFormatProvider
- {
- //
- // Note, some fields are derived so don't really need to be serialized, but we can't mark as
- // optional because Whidbey was expecting them. Post-Arrowhead we could fix that
- // once Whidbey serialization is no longer necessary.
- //
-
- // cache for the invariant culture.
- // invariantInfo is constant irrespective of your current culture.
- private static volatile DateTimeFormatInfo invariantInfo;
-
- // an index which points to a record in Culture Data Table.
- [NonSerialized]private CultureData m_cultureData;
-
- // The culture name used to create this DTFI.
- [OptionalField(VersionAdded = 2)]
- internal String m_name = null;
-
- // The language name of the culture used to create this DTFI.
- [NonSerialized]private String m_langName = null;
-
- // CompareInfo usually used by the parser.
- [NonSerialized]private CompareInfo m_compareInfo = null;
-
- // Culture matches current DTFI. mainly used for string comparisons during parsing.
- [NonSerialized]private CultureInfo m_cultureInfo = null;
-
- //
- // Caches for various properties.
- //
-
- internal String amDesignator = null;
- internal String pmDesignator = null;
- [OptionalField(VersionAdded = 1)]
- internal String dateSeparator = null; // derived from short date (whidbey expects, arrowhead doesn't)
- [OptionalField(VersionAdded = 1)]
- internal String generalShortTimePattern = null; // short date + short time (whidbey expects, arrowhead doesn't)
- [OptionalField(VersionAdded = 1)]
- internal String generalLongTimePattern = null; // short date + long time (whidbey expects, arrowhead doesn't)
- [OptionalField(VersionAdded = 1)]
- internal String timeSeparator = null; // derived from long time (whidbey expects, arrowhead doesn't)
- internal String monthDayPattern = null;
- [OptionalField(VersionAdded = 2)] // added in .NET Framework Release {2.0SP1/3.0SP1/3.5RTM}
- internal String dateTimeOffsetPattern = null;
-
- //
- // The following are constant values.
- //
- internal const String rfc1123Pattern = "ddd, dd MMM yyyy HH':'mm':'ss 'GMT'";
-
- // The sortable pattern is based on ISO 8601.
- internal const String sortableDateTimePattern = "yyyy'-'MM'-'dd'T'HH':'mm':'ss";
- internal const String universalSortableDateTimePattern = "yyyy'-'MM'-'dd HH':'mm':'ss'Z'";
-
- //
- // The following are affected by calendar settings.
- //
- internal Calendar calendar = null;
-
- internal int firstDayOfWeek = -1;
- internal int calendarWeekRule = -1;
-
- [OptionalField(VersionAdded = 1)]
- internal String fullDateTimePattern = null; // long date + long time (whidbey expects, arrowhead doesn't)
-
- internal String[] abbreviatedDayNames = null;
-
- [OptionalField(VersionAdded = 2)]
- internal String[] m_superShortDayNames = null;
-
- internal String[] dayNames = null;
- internal String[] abbreviatedMonthNames = null;
- internal String[] monthNames = null;
- // Cache the genitive month names that we retrieve from the data table.
- [OptionalField(VersionAdded = 2)]
- internal String[] genitiveMonthNames = null;
-
- // Cache the abbreviated genitive month names that we retrieve from the data table.
- [OptionalField(VersionAdded = 2)]
- internal String[] m_genitiveAbbreviatedMonthNames = null;
-
- // Cache the month names of a leap year that we retrieve from the data table.
- [OptionalField(VersionAdded = 2)]
- internal String[] leapYearMonthNames = null;
-
- // For our "patterns" arrays we have 2 variables, a string and a string[]
- //
- // The string[] contains the list of patterns, EXCEPT the default may not be included.
- // The string contains the default pattern.
- // When we initially construct our string[], we set the string to string[0]
-
- // The "default" Date/time patterns
- internal String longDatePattern = null;
- internal String shortDatePattern = null;
- internal String yearMonthPattern = null;
- internal String longTimePattern = null;
- internal String shortTimePattern = null;
-
- // These are Whidbey-serialization compatable arrays (eg: default not included)
- // "all" is a bit of a misnomer since the "default" pattern stored above isn't
- // necessarily a member of the list
- [OptionalField(VersionAdded = 3)]
- private String[] allYearMonthPatterns = null; // This was wasn't serialized in Whidbey
- internal String[] allShortDatePatterns = null;
- internal String[] allLongDatePatterns = null;
- internal String[] allShortTimePatterns = null;
- internal String[] allLongTimePatterns = null;
-
- // Cache the era names for this DateTimeFormatInfo instance.
- internal String[] m_eraNames = null;
- internal String[] m_abbrevEraNames = null;
- internal String[] m_abbrevEnglishEraNames = null;
-
- internal int[] optionalCalendars = null;
-
- private const int DEFAULT_ALL_DATETIMES_SIZE = 132;
-
- // CultureInfo updates this
- internal bool m_isReadOnly=false;
-
- // This flag gives hints about if formatting/parsing should perform special code path for things like
- // genitive form or leap year month names.
- [OptionalField(VersionAdded = 2)]
- internal DateTimeFormatFlags formatFlags = DateTimeFormatFlags.NotInitialized;
-
- private String CultureName
- {
- get
- {
- if (m_name == null)
- {
- m_name = this.m_cultureData.CultureName;
- }
- return (m_name);
- }
- }
-
- private CultureInfo Culture
- {
- get
- {
- if (m_cultureInfo == null)
- {
- m_cultureInfo = CultureInfo.GetCultureInfo(this.CultureName);
- }
- return m_cultureInfo;
- }
- }
-
- private String LanguageName
- {
- get
- {
- if (m_langName == null)
- {
- m_langName = this.m_cultureData.SISO639LANGNAME;
- }
- return (m_langName);
- }
- }
-
- ////////////////////////////////////////////////////////////////////////////
- //
- // Create an array of string which contains the abbreviated day names.
- //
- ////////////////////////////////////////////////////////////////////////////
-
- private String[] internalGetAbbreviatedDayOfWeekNames()
- {
- if (this.abbreviatedDayNames == null)
- {
- // Get the abbreviated day names for our current calendar
- this.abbreviatedDayNames = this.m_cultureData.AbbreviatedDayNames(Calendar.ID);
- Debug.Assert(this.abbreviatedDayNames.Length == 7, "[DateTimeFormatInfo.GetAbbreviatedDayOfWeekNames] Expected 7 day names in a week");
- }
- return (this.abbreviatedDayNames);
- }
-
- ////////////////////////////////////////////////////////////////////////
- //
- // Action: Returns the string array of the one-letter day of week names.
- // Returns:
- // an array of one-letter day of week names
- // Arguments:
- // None
- // Exceptions:
- // None
- //
- ////////////////////////////////////////////////////////////////////////
-
- private String[] internalGetSuperShortDayNames()
- {
- if (this.m_superShortDayNames == null)
- {
- // Get the super short day names for our current calendar
- this.m_superShortDayNames = this.m_cultureData.SuperShortDayNames(Calendar.ID);
- Debug.Assert(this.m_superShortDayNames.Length == 7, "[DateTimeFormatInfo.internalGetSuperShortDayNames] Expected 7 day names in a week");
- }
- return (this.m_superShortDayNames);
- }
-
- ////////////////////////////////////////////////////////////////////////////
- //
- // Create an array of string which contains the day names.
- //
- ////////////////////////////////////////////////////////////////////////////
-
- private String[] internalGetDayOfWeekNames()
- {
- if (this.dayNames == null)
- {
- // Get the day names for our current calendar
- this.dayNames = this.m_cultureData.DayNames(Calendar.ID);
- Debug.Assert(this.dayNames.Length == 7, "[DateTimeFormatInfo.GetDayOfWeekNames] Expected 7 day names in a week");
- }
- return (this.dayNames);
- }
-
- ////////////////////////////////////////////////////////////////////////////
- //
- // Create an array of string which contains the abbreviated month names.
- //
- ////////////////////////////////////////////////////////////////////////////
-
- private String[] internalGetAbbreviatedMonthNames()
- {
- if (this.abbreviatedMonthNames == null)
- {
- // Get the month names for our current calendar
- this.abbreviatedMonthNames = this.m_cultureData.AbbreviatedMonthNames(Calendar.ID);
- Debug.Assert(this.abbreviatedMonthNames.Length == 12 || this.abbreviatedMonthNames.Length == 13,
- "[DateTimeFormatInfo.GetAbbreviatedMonthNames] Expected 12 or 13 month names in a year");
- }
- return (this.abbreviatedMonthNames);
- }
-
-
- ////////////////////////////////////////////////////////////////////////////
- //
- // Create an array of string which contains the month names.
- //
- ////////////////////////////////////////////////////////////////////////////
-
- private String[] internalGetMonthNames()
- {
- if (this.monthNames == null)
- {
- // Get the month names for our current calendar
- this.monthNames = this.m_cultureData.MonthNames(Calendar.ID);
- Debug.Assert(this.monthNames.Length == 12 || this.monthNames.Length == 13,
- "[DateTimeFormatInfo.GetMonthNames] Expected 12 or 13 month names in a year");
- }
-
- return (this.monthNames);
- }
-
-
- //
- // Invariant DateTimeFormatInfo doesn't have user-overriden values
- // Default calendar is gregorian
- public DateTimeFormatInfo()
- : this(CultureInfo.InvariantCulture.m_cultureData,
- GregorianCalendar.GetDefaultInstance())
- {
- }
-
- internal DateTimeFormatInfo(CultureData cultureData, Calendar cal)
- {
- Contract.Requires(cultureData != null);
- Contract.Requires(cal != null);
-
- // Remember our culture
- this.m_cultureData = cultureData;
-
- // m_isDefaultCalendar is set in the setter of Calendar below.
- this.Calendar = cal;
- }
- private void InitializeOverridableProperties(CultureData cultureData, int calendarID)
- {
- // Silverlight 2.0 never took a snapshot of the user's overridable properties
- // This has a substantial performance impact so skip when CoreCLR
- Contract.Requires(cultureData != null);
- Debug.Assert(calendarID > 0, "[DateTimeFormatInfo.Populate] Expected Calendar.ID > 0");
-
- if (this.firstDayOfWeek == -1) { this.firstDayOfWeek = cultureData.IFIRSTDAYOFWEEK; }
- if (this.calendarWeekRule == -1) { this.calendarWeekRule = cultureData.IFIRSTWEEKOFYEAR; }
-
- if (this.amDesignator == null) { this.amDesignator = cultureData.SAM1159; }
- if (this.pmDesignator == null) { this.pmDesignator = cultureData.SPM2359; }
- if (this.timeSeparator == null) { this.timeSeparator = cultureData.TimeSeparator; }
- if (this.dateSeparator == null) { this.dateSeparator = cultureData.DateSeparator(calendarID); }
-
- this.allLongTimePatterns = this.m_cultureData.LongTimes;
- Debug.Assert(this.allLongTimePatterns.Length > 0, "[DateTimeFormatInfo.Populate] Expected some long time patterns");
-
- this.allShortTimePatterns = this.m_cultureData.ShortTimes;
- Debug.Assert(this.allShortTimePatterns.Length > 0, "[DateTimeFormatInfo.Populate] Expected some short time patterns");
-
- this.allLongDatePatterns = cultureData.LongDates(calendarID);
- Debug.Assert(this.allLongDatePatterns.Length > 0, "[DateTimeFormatInfo.Populate] Expected some long date patterns");
-
- this.allShortDatePatterns = cultureData.ShortDates(calendarID);
- Debug.Assert(this.allShortDatePatterns.Length > 0, "[DateTimeFormatInfo.Populate] Expected some short date patterns");
-
- this.allYearMonthPatterns = cultureData.YearMonths(calendarID);
- Debug.Assert(this.allYearMonthPatterns.Length > 0, "[DateTimeFormatInfo.Populate] Expected some year month patterns");
- }
-
-#region Serialization
- // The following fields are defined to keep the serialization compatibility with .NET V1.0/V1.1.
- [OptionalField(VersionAdded = 1)]
- private int CultureID;
- [OptionalField(VersionAdded = 1)]
- private bool m_useUserOverride;
- [OptionalField(VersionAdded = 1)]
- private bool bUseCalendarInfo;
- [OptionalField(VersionAdded = 1)]
- private int nDataItem;
- [OptionalField(VersionAdded = 2)]
- internal bool m_isDefaultCalendar; // NEVER USED, DO NOT USE THIS! (Serialized in Whidbey)
-
- // This was synthesized by Whidbey so we knew what words might appear in the middle of a date string
- // Now we always synthesize so its not helpful
- [OptionalField(VersionAdded = 1)]
- internal String[] m_dateWords = null; // calculated, no need to serialze (whidbey expects, arrowhead doesn't)
-
- [OnDeserialized]
- private void OnDeserialized(StreamingContext ctx)
- {
- if (this.m_name != null)
- {
- m_cultureData = CultureData.GetCultureData(m_name, m_useUserOverride);
-
- if (this.m_cultureData == null)
- throw new CultureNotFoundException(
- nameof(m_name), m_name, Environment.GetResourceString("Argument_CultureNotSupported"));
- }
- // Note: This is for Everett compatibility
-
-#if FEATURE_USE_LCID
- else
- m_cultureData = CultureData.GetCultureData(CultureID, m_useUserOverride);
-#endif
- if (calendar == null)
- {
- calendar = (Calendar) GregorianCalendar.GetDefaultInstance().Clone();
- calendar.SetReadOnlyState(m_isReadOnly);
- }
- InitializeOverridableProperties(m_cultureData, calendar.ID);
-
- //
- // turn off read only state till we finish initializing all fields and then store read only state after we are done.
- //
- bool isReadOnly = m_isReadOnly;
- m_isReadOnly = false;
-
- // If we deserialized defaults ala Whidbey, make sure they're still defaults
- // Whidbey's arrays could get a bit mixed up.
- if (longDatePattern != null) this.LongDatePattern = longDatePattern;
- if (shortDatePattern != null) this.ShortDatePattern = shortDatePattern;
- if (yearMonthPattern != null) this.YearMonthPattern = yearMonthPattern;
- if (longTimePattern != null) this.LongTimePattern = longTimePattern;
- if (shortTimePattern != null) this.ShortTimePattern = shortTimePattern;
-
- m_isReadOnly = isReadOnly;
- }
-
- [OnSerializing]
- private void OnSerializing(StreamingContext ctx)
- {
-#if FEATURE_USE_LCID
- CultureID = this.m_cultureData.ILANGUAGE; // Used for serialization compatibility with Whidbey which didn't always serialize the name
-#endif
- m_useUserOverride = this.m_cultureData.UseUserOverride;
-
- // make sure the m_name is initialized.
- m_name = this.CultureName;
-
- // Important to initialize these fields otherwise we may run into exception when deserializing on Whidbey
- // because Whidbey try to initialize some of these fields using calendar data which could be null values
- // and then we get exceptions. So we call the accessors to force the caches to get loaded.
- Object o;
- o = this.LongTimePattern;
- o = this.LongDatePattern;
- o = this.ShortTimePattern;
- o = this.ShortDatePattern;
- o = this.YearMonthPattern;
- o = this.AllLongTimePatterns;
- o = this.AllLongDatePatterns;
- o = this.AllShortTimePatterns;
- o = this.AllShortDatePatterns;
- o = this.AllYearMonthPatterns;
- }
-#endregion Serialization
-
- // Returns a default DateTimeFormatInfo that will be universally
- // supported and constant irrespective of the current culture.
- // Used by FromString methods.
- //
-
- public static DateTimeFormatInfo InvariantInfo {
- get {
- Contract.Ensures(Contract.Result<DateTimeFormatInfo>() != null);
- if (invariantInfo == null)
- {
- DateTimeFormatInfo info = new DateTimeFormatInfo();
- info.Calendar.SetReadOnlyState(true);
- info.m_isReadOnly = true;
- invariantInfo = info;
- }
- return (invariantInfo);
- }
- }
-
- // Returns the current culture's DateTimeFormatInfo. Used by Parse methods.
- //
-
- public static DateTimeFormatInfo CurrentInfo {
- get {
- Contract.Ensures(Contract.Result<DateTimeFormatInfo>() != null);
- System.Globalization.CultureInfo culture = System.Threading.Thread.CurrentThread.CurrentCulture;
- if (!culture.m_isInherited) {
- DateTimeFormatInfo info = culture.dateTimeInfo;
- if (info != null) {
- return info;
- }
- }
- return (DateTimeFormatInfo)culture.GetFormat(typeof(DateTimeFormatInfo));
- }
- }
-
-
- public static DateTimeFormatInfo GetInstance(IFormatProvider provider) {
- // Fast case for a regular CultureInfo
- DateTimeFormatInfo info;
- CultureInfo cultureProvider = provider as CultureInfo;
- if (cultureProvider != null && !cultureProvider.m_isInherited)
- {
- return cultureProvider.DateTimeFormat;
- }
- // Fast case for a DTFI;
- info = provider as DateTimeFormatInfo;
- if (info != null) {
- return info;
- }
- // Wasn't cultureInfo or DTFI, do it the slower way
- if (provider != null) {
- info = provider.GetFormat(typeof(DateTimeFormatInfo)) as DateTimeFormatInfo;
- if (info != null) {
- return info;
- }
- }
- // Couldn't get anything, just use currentInfo as fallback
- return CurrentInfo;
- }
-
-
- public Object GetFormat(Type formatType)
- {
- return (formatType == typeof(DateTimeFormatInfo)? this: null);
- }
-
-
- public Object Clone()
- {
- DateTimeFormatInfo n = (DateTimeFormatInfo)MemberwiseClone();
- // We can use the data member calendar in the setter, instead of the property Calendar,
- // since the cloned copy should have the same state as the original copy.
- n.calendar = (Calendar) this.Calendar.Clone();
- n.m_isReadOnly = false;
- return n;
- }
-
-
- public String AMDesignator
- {
- get
- {
- if (this.amDesignator == null)
- {
- this.amDesignator = this.m_cultureData.SAM1159;
- }
-
- Debug.Assert(this.amDesignator != null, "DateTimeFormatInfo.AMDesignator, amDesignator != null");
- return (this.amDesignator);
- }
-
- set
- {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null)
- {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_String"));
- }
- Contract.EndContractBlock();
- ClearTokenHashTable();
- amDesignator = value;
- }
- }
-
-
- public Calendar Calendar {
- get {
- Contract.Ensures(Contract.Result<Calendar>() != null);
-
- Debug.Assert(this.calendar != null, "DateTimeFormatInfo.Calendar: calendar != null");
- return (this.calendar);
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null) {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_Obj"));
- }
- Contract.EndContractBlock();
- if (value == calendar) {
- return;
- }
-
- for (int i = 0; i < this.OptionalCalendars.Length; i++)
- {
- if (this.OptionalCalendars[i] == value.ID)
- {
- // We can use this one, so do so.
-
- // Clean related properties if we already had a calendar set
- if (calendar != null)
- {
- // clean related properties which are affected by the calendar setting,
- // so that they will be refreshed when they are accessed next time.
- //
-
- // These properites are in the order as appearing in calendar.xml.
- m_eraNames = null;
- m_abbrevEraNames = null;
- m_abbrevEnglishEraNames = null;
-
- monthDayPattern = null;
-
- dayNames = null;
- abbreviatedDayNames = null;
- m_superShortDayNames = null;
- monthNames = null;
- abbreviatedMonthNames = null;
- genitiveMonthNames = null;
- m_genitiveAbbreviatedMonthNames = null;
- leapYearMonthNames = null;
- formatFlags = DateTimeFormatFlags.NotInitialized;
-
- allShortDatePatterns = null;
- allLongDatePatterns = null;
- allYearMonthPatterns = null;
- dateTimeOffsetPattern = null;
-
- // The defaults need reset as well:
- longDatePattern = null;
- shortDatePattern = null;
- yearMonthPattern = null;
-
- // These properies are not in the OS data, but they are dependent on the values like shortDatePattern.
- fullDateTimePattern = null; // Long date + long time
- generalShortTimePattern = null; // short date + short time
- generalLongTimePattern = null; // short date + long time
-
- // Derived item that changes
- dateSeparator = null;
-
- // We don't need to do these because they are not changed by changing calendar
- // amDesignator
- // pmDesignator
- // timeSeparator
- // longTimePattern
- // firstDayOfWeek
- // calendarWeekRule
-
- // We don't need to clear these because they're only used for whidbey compat serialization
- // the only values we use are the all...Patterns[0]
- // longDatePattern
- // shortDatePattern
- // yearMonthPattern
-
- // remember to reload tokens
- ClearTokenHashTable();
- }
-
- // Remember the new calendar
- calendar = value;
- InitializeOverridableProperties(m_cultureData, calendar.ID);
-
- // We succeeded, return
- return;
- }
- }
-
- // The assigned calendar is not a valid calendar for this culture, throw
- throw new ArgumentOutOfRangeException(nameof(value), Environment.GetResourceString("Argument_InvalidCalendar"));
- }
- }
-
- private int[] OptionalCalendars {
- get {
- if (this.optionalCalendars == null) {
- this.optionalCalendars = this.m_cultureData.CalendarIds;
- }
- return (this.optionalCalendars);
- }
- }
-
- /*=================================GetEra==========================
- **Action: Get the era value by parsing the name of the era.
- **Returns: The era value for the specified era name.
- ** -1 if the name of the era is not valid or not supported.
- **Arguments: eraName the name of the era.
- **Exceptions: None.
- ============================================================================*/
-
-
- public int GetEra(String eraName) {
- if (eraName == null) {
- throw new ArgumentNullException(nameof(eraName),
- Environment.GetResourceString("ArgumentNull_String"));
- }
- Contract.EndContractBlock();
-
- // For Geo-Political reasons, the Era Name and Abbreviated Era Name
- // for Taiwan Calendar on non-Taiwan SKU returns empty string (which
- // would be matched below) but we don't want the empty string to give
- // us an Era number
- // confer 85900 DTFI.GetEra("") should fail on all cultures
- if (eraName.Length == 0) {
- return (-1);
- }
-
- // The following is based on the assumption that the era value is starting from 1, and has a
- // serial values.
- // If that ever changes, the code has to be changed.
-
- // The calls to String.Compare should use the current culture for the string comparisons, but the
- // invariant culture when comparing against the english names.
- for (int i = 0; i < EraNames.Length; i++) {
- // Compare the era name in a case-insensitive way for the appropriate culture.
- if (m_eraNames[i].Length > 0) {
- if (String.Compare(eraName, m_eraNames[i], this.Culture, CompareOptions.IgnoreCase)==0) {
- return (i+1);
- }
- }
- }
- for (int i = 0; i < AbbreviatedEraNames.Length; i++) {
- // Compare the abbreviated era name in a case-insensitive way for the appropriate culture.
- if (String.Compare(eraName, m_abbrevEraNames[i], this.Culture, CompareOptions.IgnoreCase)==0) {
- return (i+1);
- }
- }
- for (int i = 0; i < AbbreviatedEnglishEraNames.Length; i++) {
- // this comparison should use the InvariantCulture. The English name could have linguistically
- // interesting characters.
- if (String.Compare(eraName, m_abbrevEnglishEraNames[i], StringComparison.InvariantCultureIgnoreCase)==0) {
- return (i+1);
- }
- }
- return (-1);
- }
-
- internal String[] EraNames
- {
- get
- {
- if (this.m_eraNames == null)
- {
- this.m_eraNames = this.m_cultureData.EraNames(Calendar.ID);;
- }
- return (this.m_eraNames);
- }
- }
-
- /*=================================GetEraName==========================
- **Action: Get the name of the era for the specified era value.
- **Returns: The name of the specified era.
- **Arguments:
- ** era the era value.
- **Exceptions:
- ** ArguementException if the era valie is invalid.
- ============================================================================*/
-
- // Era names are 1 indexed
- public String GetEraName(int era) {
- if (era == Calendar.CurrentEra) {
- era = Calendar.CurrentEraValue;
- }
-
- // The following is based on the assumption that the era value is starting from 1, and has a
- // serial values.
- // If that ever changes, the code has to be changed.
- if ((--era) < EraNames.Length && (era >= 0)) {
- return (m_eraNames[era]);
- }
- throw new ArgumentOutOfRangeException(nameof(era), Environment.GetResourceString("ArgumentOutOfRange_InvalidEraValue"));
- }
-
- internal String[] AbbreviatedEraNames
- {
- get
- {
- if (this.m_abbrevEraNames == null)
- {
- this.m_abbrevEraNames = this.m_cultureData.AbbrevEraNames(Calendar.ID);
- }
- return (this.m_abbrevEraNames);
- }
- }
-
- // Era names are 1 indexed
- public String GetAbbreviatedEraName(int era) {
- if (AbbreviatedEraNames.Length == 0) {
- // If abbreviation era name is not used in this culture,
- // return the full era name.
- return (GetEraName(era));
- }
- if (era == Calendar.CurrentEra) {
- era = Calendar.CurrentEraValue;
- }
- if ((--era) < m_abbrevEraNames.Length && (era >= 0)) {
- return (m_abbrevEraNames[era]);
- }
- throw new ArgumentOutOfRangeException(nameof(era), Environment.GetResourceString("ArgumentOutOfRange_InvalidEraValue"));
- }
-
- internal String[] AbbreviatedEnglishEraNames
- {
- get
- {
- if (this.m_abbrevEnglishEraNames == null)
- {
- Debug.Assert(Calendar.ID > 0, "[DateTimeFormatInfo.AbbreviatedEnglishEraNames] Expected Calendar.ID > 0");
- this.m_abbrevEnglishEraNames = this.m_cultureData.AbbreviatedEnglishEraNames(Calendar.ID);
- }
- return (this.m_abbrevEnglishEraNames);
- }
- }
-
-
- // Note that cultureData derives this from the short date format (unless someone's set this previously)
- // Note that this property is quite undesirable.
- public String DateSeparator
- {
- get
- {
- if (this.dateSeparator == null)
- {
- this.dateSeparator = this.m_cultureData.DateSeparator(Calendar.ID);
- }
-
- Debug.Assert(this.dateSeparator != null, "DateTimeFormatInfo.DateSeparator, dateSeparator != null");
- return (this.dateSeparator);
- }
-
- set
- {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null)
- {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_String"));
- }
- Contract.EndContractBlock();
- ClearTokenHashTable();
- this.dateSeparator = value;
- }
- }
-
-
- public DayOfWeek FirstDayOfWeek
- {
- get
- {
- if (this.firstDayOfWeek == -1)
- {
- this.firstDayOfWeek = this.m_cultureData.IFIRSTDAYOFWEEK;
- }
-
- Debug.Assert(this.firstDayOfWeek != -1, "DateTimeFormatInfo.FirstDayOfWeek, firstDayOfWeek != -1");
- return ((DayOfWeek)this.firstDayOfWeek);
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value >= DayOfWeek.Sunday && value <= DayOfWeek.Saturday) {
- firstDayOfWeek = (int)value;
- } else {
- throw new ArgumentOutOfRangeException(
- nameof(value), Environment.GetResourceString("ArgumentOutOfRange_Range",
- DayOfWeek.Sunday, DayOfWeek.Saturday));
- }
- }
- }
-
-
- public CalendarWeekRule CalendarWeekRule
- {
- get
- {
- if (this.calendarWeekRule == -1)
- {
- this.calendarWeekRule = this.m_cultureData.IFIRSTWEEKOFYEAR;
- }
-
- Debug.Assert(this.calendarWeekRule != -1, "DateTimeFormatInfo.CalendarWeekRule, calendarWeekRule != -1");
- return ((CalendarWeekRule)this.calendarWeekRule);
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value >= CalendarWeekRule.FirstDay && value <= CalendarWeekRule.FirstFourDayWeek) {
- calendarWeekRule = (int)value;
- } else {
- throw new ArgumentOutOfRangeException(
- nameof(value), Environment.GetResourceString("ArgumentOutOfRange_Range",
- CalendarWeekRule.FirstDay, CalendarWeekRule.FirstFourDayWeek));
- }
- }
- }
-
-
-
- public String FullDateTimePattern
- {
- get
- {
- if (fullDateTimePattern == null)
- {
- fullDateTimePattern = LongDatePattern + " " + LongTimePattern;
- }
- return (fullDateTimePattern);
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null) {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_String"));
- }
- Contract.EndContractBlock();
- fullDateTimePattern = value;
- }
- }
-
-
- // For our "patterns" arrays we have 2 variables, a string and a string[]
- //
- // The string[] contains the list of patterns, EXCEPT the default may not be included.
- // The string contains the default pattern.
- // When we initially construct our string[], we set the string to string[0]
- public String LongDatePattern
- {
- get
- {
- // Initialize our long date pattern from the 1st array value if not set
- if (this.longDatePattern == null)
- {
- // Initialize our data
- this.longDatePattern = this.UnclonedLongDatePatterns[0];
- }
-
- return this.longDatePattern;
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null) {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_String"));
- }
- Contract.EndContractBlock();
-
- // Remember the new string
- this.longDatePattern = value;
-
- // Clear the token hash table
- ClearTokenHashTable();
-
- // Clean up cached values that will be affected by this property.
- this.fullDateTimePattern = null;
- }
- }
-
- // For our "patterns" arrays we have 2 variables, a string and a string[]
- //
- // The string[] contains the list of patterns, EXCEPT the default may not be included.
- // The string contains the default pattern.
- // When we initially construct our string[], we set the string to string[0]
- public String LongTimePattern
- {
- get
- {
- // Initialize our long time pattern from the 1st array value if not set
- if (this.longTimePattern == null)
- {
- // Initialize our data
- this.longTimePattern = this.UnclonedLongTimePatterns[0];
- }
-
- return this.longTimePattern;
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null) {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_String"));
- }
- Contract.EndContractBlock();
-
- // Remember the new string
- this.longTimePattern = value;
-
- // Clear the token hash table
- ClearTokenHashTable();
-
- // Clean up cached values that will be affected by this property.
- this.fullDateTimePattern = null; // Full date = long date + long Time
- this.generalLongTimePattern = null; // General long date = short date + long Time
- this.dateTimeOffsetPattern = null;
- }
- }
-
-
- // Note: just to be confusing there's only 1 month day pattern, not a whole list
- public String MonthDayPattern
- {
- get
- {
- if (this.monthDayPattern == null)
- {
- Debug.Assert(Calendar.ID > 0, "[DateTimeFormatInfo.MonthDayPattern] Expected calID > 0");
- this.monthDayPattern = this.m_cultureData.MonthDay(Calendar.ID);
- }
- Debug.Assert(this.monthDayPattern != null, "DateTimeFormatInfo.MonthDayPattern, monthDayPattern != null");
- return (this.monthDayPattern);
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null) {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_String"));
- }
- Contract.EndContractBlock();
-
- this.monthDayPattern = value;
- }
- }
-
-
- public String PMDesignator
- {
- get
- {
- if (this.pmDesignator == null)
- {
- this.pmDesignator = this.m_cultureData.SPM2359;
- }
-
- Debug.Assert(this.pmDesignator != null, "DateTimeFormatInfo.PMDesignator, pmDesignator != null");
- return (this.pmDesignator);
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null) {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_String"));
- }
- Contract.EndContractBlock();
- ClearTokenHashTable();
-
- pmDesignator = value;
- }
-
- }
-
-
- public String RFC1123Pattern
- {
- get
- {
- return (rfc1123Pattern);
- }
- }
-
- // For our "patterns" arrays we have 2 variables, a string and a string[]
- //
- // The string[] contains the list of patterns, EXCEPT the default may not be included.
- // The string contains the default pattern.
- // When we initially construct our string[], we set the string to string[0]
- public String ShortDatePattern
- {
- get
- {
- // Initialize our short date pattern from the 1st array value if not set
- if (this.shortDatePattern == null)
- {
- // Initialize our data
- this.shortDatePattern = this.UnclonedShortDatePatterns[0];
- }
-
- return this.shortDatePattern;
- }
-
- set
- {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null)
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_String"));
- Contract.EndContractBlock();
-
- // Remember the new string
- this.shortDatePattern = value;
-
- // Clear the token hash table, note that even short dates could require this
- ClearTokenHashTable();
-
- // Clean up cached values that will be affected by this property.
- generalLongTimePattern = null; // General long time = short date + long time
- generalShortTimePattern = null; // General short time = short date + short Time
- dateTimeOffsetPattern = null;
- }
- }
-
-
- // For our "patterns" arrays we have 2 variables, a string and a string[]
- //
- // The string[] contains the list of patterns, EXCEPT the default may not be included.
- // The string contains the default pattern.
- // When we initially construct our string[], we set the string to string[0]
- public String ShortTimePattern
- {
- get
- {
- // Initialize our short time pattern from the 1st array value if not set
- if (this.shortTimePattern == null)
- {
- // Initialize our data
- this.shortTimePattern = this.UnclonedShortTimePatterns[0];
- }
- return this.shortTimePattern;
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null) {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_String"));
- }
- Contract.EndContractBlock();
-
- // Remember the new string
- this.shortTimePattern= value;
-
- // Clear the token hash table, note that even short times could require this
- ClearTokenHashTable();
-
- // Clean up cached values that will be affected by this property.
- generalShortTimePattern = null; // General short date = short date + short time.
- }
- }
-
-
- public String SortableDateTimePattern {
- get {
- return (sortableDateTimePattern);
- }
- }
-
- /*=================================GeneralShortTimePattern=====================
- **Property: Return the pattern for 'g' general format: shortDate + short time
- **Note: This is used by DateTimeFormat.cs to get the pattern for 'g'
- ** We put this internal property here so that we can avoid doing the
- ** concatation every time somebody asks for the general format.
- ==============================================================================*/
-
- internal String GeneralShortTimePattern {
- get {
- if (generalShortTimePattern == null) {
- generalShortTimePattern = ShortDatePattern + " " + ShortTimePattern;
- }
- return (generalShortTimePattern);
- }
- }
-
- /*=================================GeneralLongTimePattern=====================
- **Property: Return the pattern for 'g' general format: shortDate + Long time
- **Note: This is used by DateTimeFormat.cs to get the pattern for 'g'
- ** We put this internal property here so that we can avoid doing the
- ** concatation every time somebody asks for the general format.
- ==============================================================================*/
-
- internal String GeneralLongTimePattern {
- get {
- if (generalLongTimePattern == null) {
- generalLongTimePattern = ShortDatePattern + " " + LongTimePattern;
- }
- return (generalLongTimePattern);
- }
- }
-
- /*=================================DateTimeOffsetPattern==========================
- **Property: Return the default pattern DateTimeOffset : shortDate + long time + time zone offset
- **Note: This is used by DateTimeFormat.cs to get the pattern for short Date + long time + time zone offset
- ** We put this internal property here so that we can avoid doing the
- ** concatation every time somebody uses this form
- ==============================================================================*/
-
- /*=================================DateTimeOffsetPattern==========================
- **Property: Return the default pattern DateTimeOffset : shortDate + long time + time zone offset
- **Note: This is used by DateTimeFormat.cs to get the pattern for short Date + long time + time zone offset
- ** We put this internal property here so that we can avoid doing the
- ** concatation every time somebody uses this form
- ==============================================================================*/
-
- internal String DateTimeOffsetPattern {
- get {
- if (dateTimeOffsetPattern == null) {
-
- string dateTimePattern = ShortDatePattern + " " + LongTimePattern;
-
- /* LongTimePattern might contain a "z" as part of the format string in which case we don't want to append a time zone offset */
-
- bool foundZ = false;
- bool inQuote = false;
- char quote = '\'';
- for (int i = 0; !foundZ && i < LongTimePattern.Length; i++) {
- switch (LongTimePattern[i]) {
- case 'z':
- /* if we aren't in a quote, we've found a z */
- foundZ = !inQuote;
- /* we'll fall out of the loop now because the test includes !foundZ */
- break;
- case '\'':
- case '\"':
- if (inQuote && (quote == LongTimePattern[i])) {
- /* we were in a quote and found a matching exit quote, so we are outside a quote now */
- inQuote = false;
- } else if (!inQuote) {
- quote = LongTimePattern[i];
- inQuote = true;
- } else {
- /* we were in a quote and saw the other type of quote character, so we are still in a quote */
- }
- break;
- case '%':
- case '\\':
- i++; /* skip next character that is escaped by this backslash */
- break;
- default:
- break;
- }
- }
-
- if (!foundZ) {
- dateTimePattern = dateTimePattern + " zzz";
- }
-
- dateTimeOffsetPattern = dateTimePattern;
- }
- return (dateTimeOffsetPattern);
- }
- }
-
- // Note that cultureData derives this from the long time format (unless someone's set this previously)
- // Note that this property is quite undesirable.
- public String TimeSeparator
- {
- get
- {
- if (timeSeparator == null)
- {
- timeSeparator = this.m_cultureData.TimeSeparator;
- }
-
- Debug.Assert(this.timeSeparator != null, "DateTimeFormatInfo.TimeSeparator, timeSeparator != null");
- return (timeSeparator);
- }
-
- set
- {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null)
- {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_String"));
- }
- Contract.EndContractBlock();
- ClearTokenHashTable();
-
- timeSeparator = value;
- }
- }
-
-
- public String UniversalSortableDateTimePattern
- {
- get
- {
- return (universalSortableDateTimePattern);
- }
- }
-
- // For our "patterns" arrays we have 2 variables, a string and a string[]
- //
- // The string[] contains the list of patterns, EXCEPT the default may not be included.
- // The string contains the default pattern.
- // When we initially construct our string[], we set the string to string[0]
- public String YearMonthPattern
- {
- get
- {
- // Initialize our year/month pattern from the 1st array value if not set
- if (this.yearMonthPattern == null)
- {
- // Initialize our data
- this.yearMonthPattern = this.UnclonedYearMonthPatterns[0];
- }
- return this.yearMonthPattern;
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null) {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_String"));
- }
- Contract.EndContractBlock();
-
- // Remember the new string
- this.yearMonthPattern = value;
-
- // Clear the token hash table, note that even short times could require this
- ClearTokenHashTable();
- }
- }
-
- //
- // Check if a string array contains a null value, and throw ArgumentNullException with parameter name "value"
- //
- static private void CheckNullValue(String[] values, int length) {
- Contract.Requires(values != null, "value != null");
- Contract.Requires(values.Length >= length);
- for (int i = 0; i < length; i++) {
- if (values[i] == null) {
- throw new ArgumentNullException("value",
- Environment.GetResourceString("ArgumentNull_ArrayValue"));
- }
- }
- }
-
-
- public String[] AbbreviatedDayNames
- {
- get
- {
- return ((String[])internalGetAbbreviatedDayOfWeekNames().Clone());
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null) {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_Array"));
- }
- if (value.Length != 7) {
- throw new ArgumentException(Environment.GetResourceString("Argument_InvalidArrayLength", 7), nameof(value));
- }
- Contract.EndContractBlock();
- CheckNullValue(value, value.Length);
- ClearTokenHashTable();
-
- abbreviatedDayNames = value;
- }
- }
-
-
- // Returns the string array of the one-letter day of week names.
- public String[] ShortestDayNames
- {
- get
- {
- return ((String[])internalGetSuperShortDayNames().Clone());
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null) {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_Array"));
- }
- if (value.Length != 7)
- {
- throw new ArgumentException(Environment.GetResourceString("Argument_InvalidArrayLength", 7), nameof(value));
- }
- Contract.EndContractBlock();
- CheckNullValue(value, value.Length);
- this.m_superShortDayNames = value;
- }
- }
-
-
- public String[] DayNames
- {
- get
- {
- return ((String[])internalGetDayOfWeekNames().Clone());
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null) {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_Array"));
- }
- if (value.Length != 7)
- {
- throw new ArgumentException(Environment.GetResourceString("Argument_InvalidArrayLength", 7), nameof(value));
- }
- Contract.EndContractBlock();
- CheckNullValue(value, value.Length);
- ClearTokenHashTable();
-
- dayNames = value;
- }
- }
-
-
- public String[] AbbreviatedMonthNames {
- get {
- return ((String[])internalGetAbbreviatedMonthNames().Clone());
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null) {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_Array"));
- }
- if (value.Length != 13)
- {
- throw new ArgumentException(Environment.GetResourceString("Argument_InvalidArrayLength", 13), nameof(value));
- }
- Contract.EndContractBlock();
- CheckNullValue(value, value.Length - 1);
- ClearTokenHashTable();
- abbreviatedMonthNames = value;
- }
- }
-
-
- public String[] MonthNames
- {
- get
- {
- return ((String[])internalGetMonthNames().Clone());
- }
-
- set {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null) {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_Array"));
- }
- if (value.Length != 13)
- {
- throw new ArgumentException(Environment.GetResourceString("Argument_InvalidArrayLength", 13), nameof(value));
- }
- Contract.EndContractBlock();
- CheckNullValue(value, value.Length - 1);
- monthNames = value;
- ClearTokenHashTable();
- }
- }
-
- // Whitespaces that we allow in the month names.
- // U+00a0 is non-breaking space.
- static char[] MonthSpaces = {' ', '\u00a0'};
-
- internal bool HasSpacesInMonthNames {
- get {
- return (FormatFlags & DateTimeFormatFlags.UseSpacesInMonthNames) != 0;
- }
- }
-
- internal bool HasSpacesInDayNames {
- get {
- return (FormatFlags & DateTimeFormatFlags.UseSpacesInDayNames) != 0;
- }
- }
-
-
- //
- // internalGetMonthName
- //
- // Actions: Return the month name using the specified MonthNameStyles in either abbreviated form
- // or full form.
- // Arguments:
- // month
- // style To indicate a form like regular/genitive/month name in a leap year.
- // abbreviated When true, return abbreviated form. Otherwise, return a full form.
- // Exceptions:
- // ArgumentOutOfRangeException When month name is invalid.
- //
- internal String internalGetMonthName(int month, MonthNameStyles style, bool abbreviated) {
- //
- // Right now, style is mutual exclusive, but I make the style to be flag so that
- // maybe we can combine flag if there is such a need.
- //
- String[] monthNamesArray = null;
- switch (style) {
- case MonthNameStyles.Genitive:
- monthNamesArray = internalGetGenitiveMonthNames(abbreviated);
- break;
- case MonthNameStyles.LeapYear:
- monthNamesArray = internalGetLeapYearMonthNames(/*abbreviated*/);
- break;
- default:
- monthNamesArray = (abbreviated ? internalGetAbbreviatedMonthNames(): internalGetMonthNames());
- break;
- }
- // The month range is from 1 ~ this.m_monthNames.Length
- // (actually is 13 right now for all cases)
- if ((month < 1) || (month > monthNamesArray.Length)) {
- throw new ArgumentOutOfRangeException(
- nameof(month), Environment.GetResourceString("ArgumentOutOfRange_Range",
- 1, monthNamesArray.Length));
- }
- return (monthNamesArray[month-1]);
- }
-
- //
- // internalGetGenitiveMonthNames
- //
- // Action: Retrieve the array which contains the month names in genitive form.
- // If this culture does not use the gentive form, the normal month name is returned.
- // Arguments:
- // abbreviated When true, return abbreviated form. Otherwise, return a full form.
- //
- private String[] internalGetGenitiveMonthNames(bool abbreviated) {
- if (abbreviated) {
- if (this.m_genitiveAbbreviatedMonthNames == null)
- {
- this.m_genitiveAbbreviatedMonthNames = this.m_cultureData.AbbreviatedGenitiveMonthNames(this.Calendar.ID);
- Debug.Assert(this.m_genitiveAbbreviatedMonthNames.Length == 13,
- "[DateTimeFormatInfo.GetGenitiveMonthNames] Expected 13 abbreviated genitive month names in a year");
- }
- return (this.m_genitiveAbbreviatedMonthNames);
- }
-
- if (this.genitiveMonthNames == null)
- {
- this.genitiveMonthNames = this.m_cultureData.GenitiveMonthNames(this.Calendar.ID);
- Debug.Assert(this.genitiveMonthNames.Length == 13,
- "[DateTimeFormatInfo.GetGenitiveMonthNames] Expected 13 genitive month names in a year");
- }
- return (this.genitiveMonthNames);
- }
-
- //
- // internalGetLeapYearMonthNames
- //
- // Actions: Retrieve the month names used in a leap year.
- // If this culture does not have different month names in a leap year, the normal month name is returned.
- // Agruments: None. (can use abbreviated later if needed)
- //
- internal String[] internalGetLeapYearMonthNames(/*bool abbreviated*/) {
- if (this.leapYearMonthNames == null)
- {
- Debug.Assert(Calendar.ID > 0, "[DateTimeFormatInfo.internalGetLeapYearMonthNames] Expected Calendar.ID > 0");
- this.leapYearMonthNames = this.m_cultureData.LeapYearMonthNames(Calendar.ID);
- Debug.Assert(this.leapYearMonthNames.Length == 13,
- "[DateTimeFormatInfo.internalGetLeapYearMonthNames] Expepcted 13 leap year month names");
- }
- return (leapYearMonthNames);
- }
-
-
- public String GetAbbreviatedDayName(DayOfWeek dayofweek)
- {
-
- if ((int)dayofweek < 0 || (int)dayofweek > 6) {
- throw new ArgumentOutOfRangeException(
- nameof(dayofweek), Environment.GetResourceString("ArgumentOutOfRange_Range",
- DayOfWeek.Sunday, DayOfWeek.Saturday));
- }
- Contract.EndContractBlock();
- //
- // Don't call the public property AbbreviatedDayNames here since a clone is needed in that
- // property, so it will be slower. Instead, use GetAbbreviatedDayOfWeekNames() directly.
- //
- return (internalGetAbbreviatedDayOfWeekNames()[(int)dayofweek]);
- }
-
-
- // Returns the super short day of week names for the specified day of week.
- public String GetShortestDayName(DayOfWeek dayOfWeek)
- {
-
- if ((int)dayOfWeek < 0 || (int)dayOfWeek > 6) {
- throw new ArgumentOutOfRangeException(
- nameof(dayOfWeek), Environment.GetResourceString("ArgumentOutOfRange_Range",
- DayOfWeek.Sunday, DayOfWeek.Saturday));
- }
- Contract.EndContractBlock();
- //
- // Don't call the public property SuperShortDayNames here since a clone is needed in that
- // property, so it will be slower. Instead, use internalGetSuperShortDayNames() directly.
- //
- return (internalGetSuperShortDayNames()[(int)dayOfWeek]);
- }
-
- // Get all possible combination of inputs
- static private String[] GetCombinedPatterns(String[] patterns1, String[] patterns2, String connectString)
- {
- Contract.Requires(patterns1 != null);
- Contract.Requires(patterns2 != null);
-
- // Get array size
- String[] result = new String[patterns1.Length * patterns2.Length];
-
- // Counter of actual results
- int k = 0;
- for (int i = 0; i < patterns1.Length; i++)
- {
- for (int j = 0; j < patterns2.Length; j++)
- {
- // Can't combine if null or empty
- result[k++] = patterns1[i] + connectString + patterns2[j];
- }
- }
-
- // Return the combinations
- return (result);
- }
-
-
- public String[] GetAllDateTimePatterns()
- {
- List<String> results = new List<String>(DEFAULT_ALL_DATETIMES_SIZE);
-
- for (int i = 0; i < DateTimeFormat.allStandardFormats.Length; i++)
- {
- String[] strings = GetAllDateTimePatterns(DateTimeFormat.allStandardFormats[i]);
- for (int j = 0; j < strings.Length; j++)
- {
- results.Add(strings[j]);
- }
- }
- return results.ToArray();
- }
-
-
- public String[] GetAllDateTimePatterns(char format)
- {
- Contract.Ensures(Contract.Result<String[]>() != null);
- String [] result = null;
-
- switch (format)
- {
- case 'd':
- result = this.AllShortDatePatterns;
- break;
- case 'D':
- result = this.AllLongDatePatterns;
- break;
- case 'f':
- result = GetCombinedPatterns(AllLongDatePatterns, AllShortTimePatterns, " ");
- break;
- case 'F':
- case 'U':
- result = GetCombinedPatterns(AllLongDatePatterns, AllLongTimePatterns, " ");
- break;
- case 'g':
- result = GetCombinedPatterns(AllShortDatePatterns, AllShortTimePatterns, " ");
- break;
- case 'G':
- result = GetCombinedPatterns(AllShortDatePatterns, AllLongTimePatterns, " ");
- break;
- case 'm':
- case 'M':
- result = new String[] {MonthDayPattern};
- break;
- case 'o':
- case 'O':
- result = new String[] {DateTimeFormat.RoundtripFormat};
- break;
- case 'r':
- case 'R':
- result = new String[] {rfc1123Pattern};
- break;
- case 's':
- result = new String[] {sortableDateTimePattern};
- break;
- case 't':
- result = this.AllShortTimePatterns;
- break;
- case 'T':
- result = this.AllLongTimePatterns;
- break;
- case 'u':
- result = new String[] {UniversalSortableDateTimePattern};
- break;
- case 'y':
- case 'Y':
- result = this.AllYearMonthPatterns;
- break;
- default:
- throw new ArgumentException(Environment.GetResourceString("Format_BadFormatSpecifier"), nameof(format));
- }
- return (result);
- }
-
-
- public String GetDayName(DayOfWeek dayofweek)
- {
- if ((int)dayofweek < 0 || (int)dayofweek > 6) {
- throw new ArgumentOutOfRangeException(
- nameof(dayofweek), Environment.GetResourceString("ArgumentOutOfRange_Range",
- DayOfWeek.Sunday, DayOfWeek.Saturday));
- }
- Contract.EndContractBlock();
-
- // Use the internal one so that we don't clone the array unnecessarily
- return (internalGetDayOfWeekNames()[(int)dayofweek]);
- }
-
-
-
- public String GetAbbreviatedMonthName(int month)
- {
- if (month < 1 || month > 13) {
- throw new ArgumentOutOfRangeException(
- nameof(month), Environment.GetResourceString("ArgumentOutOfRange_Range",
- 1, 13));
- }
- Contract.EndContractBlock();
- // Use the internal one so we don't clone the array unnecessarily
- return (internalGetAbbreviatedMonthNames()[month-1]);
- }
-
-
- public String GetMonthName(int month)
- {
- if (month < 1 || month > 13) {
- throw new ArgumentOutOfRangeException(
- nameof(month), Environment.GetResourceString("ArgumentOutOfRange_Range",
- 1, 13));
- }
- Contract.EndContractBlock();
- // Use the internal one so we don't clone the array unnecessarily
- return (internalGetMonthNames()[month-1]);
- }
-
- // For our "patterns" arrays we have 2 variables, a string and a string[]
- //
- // The string[] contains the list of patterns, EXCEPT the default may not be included.
- // The string contains the default pattern.
- // When we initially construct our string[], we set the string to string[0]
- //
- // The resulting [] can get returned to the calling app, so clone it.
- private static string[] GetMergedPatterns(string [] patterns, string defaultPattern)
- {
- Debug.Assert(patterns != null && patterns.Length > 0,
- "[DateTimeFormatInfo.GetMergedPatterns]Expected array of at least one pattern");
- Debug.Assert(defaultPattern != null,
- "[DateTimeFormatInfo.GetMergedPatterns]Expected non null default string");
-
- // If the default happens to be the first in the list just return (a cloned) copy
- if (defaultPattern == patterns[0])
- {
- return (string[])patterns.Clone();
- }
-
- // We either need a bigger list, or the pattern from the list.
- int i;
- for (i = 0; i < patterns.Length; i++)
- {
- // Stop if we found it
- if (defaultPattern == patterns[i])
- break;
- }
-
- // Either way we're going to need a new array
- string[] newPatterns;
-
- // Did we find it
- if (i < patterns.Length)
- {
- // Found it, output will be same size
- newPatterns = (string[])patterns.Clone();
-
- // Have to move [0] item to [i] so we can re-write default at [0]
- // (remember defaultPattern == [i] so this is OK)
- newPatterns[i] = newPatterns[0];
- }
- else
- {
- // Not found, make room for it
- newPatterns = new String[patterns.Length + 1];
-
- // Copy existing array
- Array.Copy(patterns, 0, newPatterns, 1, patterns.Length);
- }
-
- // Remember the default
- newPatterns[0] = defaultPattern;
-
- // Return the reconstructed list
- return newPatterns;
- }
-
- // Default string isn't necessarily in our string array, so get the
- // merged patterns of both
- private String[] AllYearMonthPatterns
- {
- get
- {
- return GetMergedPatterns(this.UnclonedYearMonthPatterns, this.YearMonthPattern);
- }
- }
-
- private String[] AllShortDatePatterns
- {
- get
- {
- return GetMergedPatterns(this.UnclonedShortDatePatterns, this.ShortDatePattern);
- }
- }
-
- private String[] AllShortTimePatterns
- {
- get
- {
- return GetMergedPatterns(this.UnclonedShortTimePatterns, this.ShortTimePattern);
- }
- }
-
- private String[] AllLongDatePatterns
- {
- get
- {
- return GetMergedPatterns(this.UnclonedLongDatePatterns, this.LongDatePattern);
- }
- }
-
- private String[] AllLongTimePatterns
- {
- get
- {
- return GetMergedPatterns(this.UnclonedLongTimePatterns, this.LongTimePattern);
- }
- }
-
- // NOTE: Clone this string array if you want to return it to user. Otherwise, you are returning a writable cache copy.
- // This won't include default, call AllYearMonthPatterns
- private String[] UnclonedYearMonthPatterns
- {
- get
- {
- if (this.allYearMonthPatterns == null)
- {
- Debug.Assert(Calendar.ID > 0, "[DateTimeFormatInfo.UnclonedYearMonthPatterns] Expected Calendar.ID > 0");
- this.allYearMonthPatterns = this.m_cultureData.YearMonths(this.Calendar.ID);
- Debug.Assert(this.allYearMonthPatterns.Length > 0,
- "[DateTimeFormatInfo.UnclonedYearMonthPatterns] Expected some year month patterns");
- }
-
- return this.allYearMonthPatterns;
- }
- }
-
-
- // NOTE: Clone this string array if you want to return it to user. Otherwise, you are returning a writable cache copy.
- // This won't include default, call AllShortDatePatterns
- private String [] UnclonedShortDatePatterns
- {
- get
- {
- if (allShortDatePatterns == null)
- {
- Debug.Assert(Calendar.ID > 0, "[DateTimeFormatInfo.UnclonedShortDatePatterns] Expected Calendar.ID > 0");
- this.allShortDatePatterns = this.m_cultureData.ShortDates(this.Calendar.ID);
- Debug.Assert(this.allShortDatePatterns.Length > 0,
- "[DateTimeFormatInfo.UnclonedShortDatePatterns] Expected some short date patterns");
- }
-
- return this.allShortDatePatterns;
- }
- }
-
- // NOTE: Clone this string array if you want to return it to user. Otherwise, you are returning a writable cache copy.
- // This won't include default, call AllLongDatePatterns
- private String[] UnclonedLongDatePatterns
- {
- get
- {
- if (allLongDatePatterns == null)
- {
- Debug.Assert(Calendar.ID > 0, "[DateTimeFormatInfo.UnclonedLongDatePatterns] Expected Calendar.ID > 0");
- this.allLongDatePatterns = this.m_cultureData.LongDates(this.Calendar.ID);
- Debug.Assert(this.allLongDatePatterns.Length > 0,
- "[DateTimeFormatInfo.UnclonedLongDatePatterns] Expected some long date patterns");
- }
-
- return this.allLongDatePatterns;
- }
- }
-
- // NOTE: Clone this string array if you want to return it to user. Otherwise, you are returning a writable cache copy.
- // This won't include default, call AllShortTimePatterns
- private String[] UnclonedShortTimePatterns
- {
- get
- {
- if (this.allShortTimePatterns == null)
- {
- this.allShortTimePatterns = this.m_cultureData.ShortTimes;
- Debug.Assert(this.allShortTimePatterns.Length > 0,
- "[DateTimeFormatInfo.UnclonedShortTimePatterns] Expected some short time patterns");
- }
-
- return this.allShortTimePatterns;
- }
- }
-
- // NOTE: Clone this string array if you want to return it to user. Otherwise, you are returning a writable cache copy.
- // This won't include default, call AllLongTimePatterns
- private String[] UnclonedLongTimePatterns
- {
- get
- {
- if (this.allLongTimePatterns == null)
- {
- this.allLongTimePatterns = this.m_cultureData.LongTimes;
- Debug.Assert(this.allLongTimePatterns.Length > 0,
- "[DateTimeFormatInfo.UnclonedLongTimePatterns] Expected some long time patterns");
- }
-
- return this.allLongTimePatterns;
- }
- }
-
- public static DateTimeFormatInfo ReadOnly(DateTimeFormatInfo dtfi) {
- if (dtfi == null) {
- throw new ArgumentNullException(nameof(dtfi),
- Environment.GetResourceString("ArgumentNull_Obj"));
- }
- Contract.EndContractBlock();
- if (dtfi.IsReadOnly) {
- return (dtfi);
- }
- DateTimeFormatInfo newInfo = (DateTimeFormatInfo)(dtfi.MemberwiseClone());
- // We can use the data member calendar in the setter, instead of the property Calendar,
- // since the cloned copy should have the same state as the original copy.
- newInfo.calendar = Calendar.ReadOnly(dtfi.Calendar);
- newInfo.m_isReadOnly = true;
- return (newInfo);
- }
-
-
- public bool IsReadOnly {
- get {
- return (m_isReadOnly);
- }
- }
-
- // Return the native name for the calendar in DTFI.Calendar. The native name is referred to
- // the culture used to create the DTFI. E.g. in the following example, the native language is Japanese.
- // DateTimeFormatInfo dtfi = new CultureInfo("ja-JP", false).DateTimeFormat.Calendar = new JapaneseCalendar();
- // String nativeName = dtfi.NativeCalendarName; // Get the Japanese name for the Japanese calendar.
- // DateTimeFormatInfo dtfi = new CultureInfo("ja-JP", false).DateTimeFormat.Calendar = new GregorianCalendar(GregorianCalendarTypes.Localized);
- // String nativeName = dtfi.NativeCalendarName; // Get the Japanese name for the Gregorian calendar.
- public String NativeCalendarName
- {
- get
- {
- return m_cultureData.CalendarName(Calendar.ID);
- }
- }
-
- //
- // Used by custom cultures and others to set the list of available formats. Note that none of them are
- // explicitly used unless someone calls GetAllDateTimePatterns and subsequently uses one of the items
- // from the list.
- //
- // Most of the format characters that can be used in GetAllDateTimePatterns are
- // not really needed since they are one of the following:
- //
- // r/R/s/u locale-independent constants -- cannot be changed!
- // m/M/y/Y fields with a single string in them -- that can be set through props directly
- // f/F/g/G/U derived fields based on combinations of various of the below formats
- //
- // NOTE: No special validation is done here beyond what is done when the actual respective fields
- // are used (what would be the point of disallowing here what we allow in the appropriate property?)
- //
- // WARNING: If more validation is ever done in one place, it should be done in the other.
- //
-
- public void SetAllDateTimePatterns(String[] patterns, char format)
- {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (patterns == null) {
- throw new ArgumentNullException(nameof(patterns),
- Environment.GetResourceString("ArgumentNull_Array"));
- }
-
- if (patterns.Length == 0)
- {
- throw new ArgumentException(Environment.GetResourceString("Arg_ArrayZeroError"), nameof(patterns));
- }
- Contract.EndContractBlock();
-
- for (int i=0; i<patterns.Length; i++)
- {
- if (patterns[i] == null)
- {
- throw new ArgumentNullException("patterns[" + i + "]", Environment.GetResourceString("ArgumentNull_ArrayValue"));
- }
- }
-
- // Remember the patterns, and use the 1st as default
- switch (format)
- {
- case 'd':
- this.allShortDatePatterns = patterns;
- this.shortDatePattern = this.allShortDatePatterns[0];
- break;
-
- case 'D':
- this.allLongDatePatterns = patterns;
- this.longDatePattern = this.allLongDatePatterns[0];
- break;
-
- case 't':
- this.allShortTimePatterns = patterns;
- this.shortTimePattern = this.allShortTimePatterns[0];
- break;
-
- case 'T':
- this.allLongTimePatterns = patterns;
- this.longTimePattern = this.allLongTimePatterns[0];
- break;
-
- case 'y':
- case 'Y':
- this.allYearMonthPatterns = patterns;
- this.yearMonthPattern = this.allYearMonthPatterns[0];
- break;
-
- default:
- throw new ArgumentException(Environment.GetResourceString("Format_BadFormatSpecifier"), nameof(format));
- }
-
- // Clear the token hash table, note that even short dates could require this
- ClearTokenHashTable();
-
- return;
- }
-
- public String[] AbbreviatedMonthGenitiveNames
- {
- get
- {
- return ((String[])internalGetGenitiveMonthNames(true).Clone());
- }
-
- set
- {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null)
- {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_Array"));
- }
- if (value.Length != 13)
- {
- throw new ArgumentException(Environment.GetResourceString("Argument_InvalidArrayLength", 13), nameof(value));
- }
- Contract.EndContractBlock();
- CheckNullValue(value, value.Length - 1);
- ClearTokenHashTable();
- this.m_genitiveAbbreviatedMonthNames= value;
- }
- }
-
- public String[] MonthGenitiveNames
- {
- get
- {
- return ((String[])internalGetGenitiveMonthNames(false).Clone());
- }
-
- set
- {
- if (IsReadOnly)
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
- if (value == null)
- {
- throw new ArgumentNullException(nameof(value),
- Environment.GetResourceString("ArgumentNull_Array"));
- }
- if (value.Length != 13)
- {
- throw new ArgumentException(Environment.GetResourceString("Argument_InvalidArrayLength", 13), nameof(value));
- }
- Contract.EndContractBlock();
- CheckNullValue(value, value.Length - 1);
- genitiveMonthNames= value;
- ClearTokenHashTable();
- }
- }
-
- //
- // Positive TimeSpan Pattern
- //
- [NonSerialized]
- private string m_fullTimeSpanPositivePattern;
- internal String FullTimeSpanPositivePattern
- {
- get
- {
- if (m_fullTimeSpanPositivePattern == null)
- {
- CultureData cultureDataWithoutUserOverrides;
- if (m_cultureData.UseUserOverride)
- cultureDataWithoutUserOverrides = CultureData.GetCultureData(m_cultureData.CultureName, false);
- else
- cultureDataWithoutUserOverrides = m_cultureData;
- String decimalSeparator = new NumberFormatInfo(cultureDataWithoutUserOverrides).NumberDecimalSeparator;
-
- m_fullTimeSpanPositivePattern = "d':'h':'mm':'ss'" + decimalSeparator + "'FFFFFFF";
- }
- return m_fullTimeSpanPositivePattern;
- }
- }
-
- //
- // Negative TimeSpan Pattern
- //
- [NonSerialized]
- private string m_fullTimeSpanNegativePattern;
- internal String FullTimeSpanNegativePattern
- {
- get
- {
- if (m_fullTimeSpanNegativePattern == null)
- m_fullTimeSpanNegativePattern = "'-'" + FullTimeSpanPositivePattern;
- return m_fullTimeSpanNegativePattern;
- }
- }
-
- //
- // Get suitable CompareInfo from current DTFI object.
- //
- internal CompareInfo CompareInfo
- {
- get
- {
- if (m_compareInfo == null)
- {
- // We use the regular GetCompareInfo here to make sure the created CompareInfo object is stored in the
- // CompareInfo cache. otherwise we would just create CompareInfo using m_cultureData.
- m_compareInfo = CompareInfo.GetCompareInfo(m_cultureData.SCOMPAREINFO);
- }
-
- return m_compareInfo;
- }
- }
-
-
- internal const DateTimeStyles InvalidDateTimeStyles = ~(DateTimeStyles.AllowLeadingWhite | DateTimeStyles.AllowTrailingWhite
- | DateTimeStyles.AllowInnerWhite | DateTimeStyles.NoCurrentDateDefault
- | DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeLocal
- | DateTimeStyles.AssumeUniversal | DateTimeStyles.RoundtripKind);
-
- internal static void ValidateStyles(DateTimeStyles style, String parameterName) {
- if ((style & InvalidDateTimeStyles) != 0) {
- throw new ArgumentException(Environment.GetResourceString("Argument_InvalidDateTimeStyles"), parameterName);
- }
- if (((style & (DateTimeStyles.AssumeLocal)) != 0) && ((style & (DateTimeStyles.AssumeUniversal)) != 0)) {
- throw new ArgumentException(Environment.GetResourceString("Argument_ConflictingDateTimeStyles"), parameterName);
- }
- Contract.EndContractBlock();
- if (((style & DateTimeStyles.RoundtripKind) != 0)
- && ((style & (DateTimeStyles.AssumeLocal | DateTimeStyles.AssumeUniversal | DateTimeStyles.AdjustToUniversal)) != 0)) {
- throw new ArgumentException(Environment.GetResourceString("Argument_ConflictingDateTimeRoundtripStyles"), parameterName);
- }
- }
-
- //
- // Actions: Return the internal flag used in formatting and parsing.
- // The flag can be used to indicate things like if genitive forms is used in this DTFi, or if leap year gets different month names.
- //
- internal DateTimeFormatFlags FormatFlags
- {
- get
- {
- if (formatFlags == DateTimeFormatFlags.NotInitialized)
- {
- // Build the format flags from the data in this DTFI
- formatFlags = DateTimeFormatFlags.None;
- formatFlags |= (DateTimeFormatFlags)DateTimeFormatInfoScanner.GetFormatFlagGenitiveMonth(
- MonthNames, internalGetGenitiveMonthNames(false), AbbreviatedMonthNames, internalGetGenitiveMonthNames(true));
- formatFlags |= (DateTimeFormatFlags)DateTimeFormatInfoScanner.GetFormatFlagUseSpaceInMonthNames(
- MonthNames, internalGetGenitiveMonthNames(false), AbbreviatedMonthNames, internalGetGenitiveMonthNames(true));
- formatFlags |= (DateTimeFormatFlags)DateTimeFormatInfoScanner.GetFormatFlagUseSpaceInDayNames(DayNames, AbbreviatedDayNames);
- formatFlags |= (DateTimeFormatFlags)DateTimeFormatInfoScanner.GetFormatFlagUseHebrewCalendar((int)Calendar.ID);
- }
- return (formatFlags);
- }
- }
-
- internal Boolean HasForceTwoDigitYears {
- get {
- switch (calendar.ID)
- {
- // If is y/yy, do not get (year % 100). "y" will print
- // year without leading zero. "yy" will print year with two-digit in leading zero.
- // If pattern is yyy/yyyy/..., print year value with two-digit in leading zero.
- // So year 5 is "05", and year 125 is "125".
- // The reason for not doing (year % 100) is for Taiwan calendar.
- // If year 125, then output 125 and not 25.
- // Note: OS uses "yyyy" for Taiwan calendar by default.
- case (Calendar.CAL_JAPAN):
- case (Calendar.CAL_TAIWAN):
- return true;
- }
- return false;
- }
- }
-
- // Returns whether the YearMonthAdjustment function has any fix-up work to do for this culture/calendar.
- internal Boolean HasYearMonthAdjustment {
- get {
- return ((FormatFlags & DateTimeFormatFlags.UseHebrewRule) != 0);
- }
- }
-
- // This is a callback that the parser can make back into the DTFI to let it fiddle with special
- // cases associated with that culture or calendar. Currently this only has special cases for
- // the Hebrew calendar, but this could be extended to other cultures.
- //
- // The return value is whether the year and month are actually valid for this calendar.
- internal Boolean YearMonthAdjustment(ref int year, ref int month, Boolean parsedMonthName) {
- if ((FormatFlags & DateTimeFormatFlags.UseHebrewRule) != 0) {
-
- // Special rules to fix up the Hebrew year/month
-
- // When formatting, we only format up to the hundred digit of the Hebrew year, although Hebrew year is now over 5000.
- // E.g. if the year is 5763, we only format as 763.
- if (year < 1000) {
- year += 5000;
- }
-
- // Because we need to calculate leap year, we should fall out now for an invalid year.
- if (year < Calendar.GetYear(Calendar.MinSupportedDateTime) || year > Calendar.GetYear(Calendar.MaxSupportedDateTime)) {
- return false;
- }
-
- // To handle leap months, the set of month names in the symbol table does not always correspond to the numbers.
- // For non-leap years, month 7 (Adar Bet) is not present, so we need to make using this month invalid and
- // shuffle the other months down.
- if (parsedMonthName) {
- if (!Calendar.IsLeapYear(year)) {
- if (month >= 8) {
- month--;
- }
- else if (month == 7) {
- return false;
- }
- }
- }
- }
- return true;
- }
-
- //
- // DateTimeFormatInfo tokenizer. This is used by DateTime.Parse() to break input string into tokens.
- //
- [NonSerialized]
- TokenHashValue[] m_dtfiTokenHash;
-
- private const int TOKEN_HASH_SIZE = 199;
- private const int SECOND_PRIME = 197;
- private const String dateSeparatorOrTimeZoneOffset = "-";
- private const String invariantDateSeparator = "/";
- private const String invariantTimeSeparator = ":";
-
- //
- // Common Ignorable Symbols
- //
- internal const String IgnorablePeriod = ".";
- internal const String IgnorableComma = ",";
-
- //
- // Year/Month/Day suffixes
- //
- internal const String CJKYearSuff = "\u5e74";
- internal const String CJKMonthSuff = "\u6708";
- internal const String CJKDaySuff = "\u65e5";
-
- internal const String KoreanYearSuff = "\ub144";
- internal const String KoreanMonthSuff = "\uc6d4";
- internal const String KoreanDaySuff = "\uc77c";
-
- internal const String KoreanHourSuff = "\uc2dc";
- internal const String KoreanMinuteSuff = "\ubd84";
- internal const String KoreanSecondSuff = "\ucd08";
-
- internal const String CJKHourSuff = "\u6642";
- internal const String ChineseHourSuff = "\u65f6";
-
- internal const String CJKMinuteSuff = "\u5206";
- internal const String CJKSecondSuff = "\u79d2";
-
- internal const String LocalTimeMark = "T";
-
- internal const String KoreanLangName = "ko";
- internal const String JapaneseLangName = "ja";
- internal const String EnglishLangName = "en";
-
- private static volatile DateTimeFormatInfo s_jajpDTFI;
- private static volatile DateTimeFormatInfo s_zhtwDTFI;
-
- //
- // Create a Japanese DTFI which uses JapaneseCalendar. This is used to parse
- // date string with Japanese era name correctly even when the supplied DTFI
- // does not use Japanese calendar.
- // The created instance is stored in global s_jajpDTFI.
- //
- internal static DateTimeFormatInfo GetJapaneseCalendarDTFI() {
- DateTimeFormatInfo temp = s_jajpDTFI;
- if (temp == null) {
- temp = new CultureInfo("ja-JP", false).DateTimeFormat;
- temp.Calendar = JapaneseCalendar.GetDefaultInstance();
- s_jajpDTFI = temp;
- }
- return (temp);
- }
- internal static DateTimeFormatInfo GetTaiwanCalendarDTFI() {
- DateTimeFormatInfo temp = s_zhtwDTFI;
- if (temp == null) {
- temp = new CultureInfo("zh-TW", false).DateTimeFormat;
- temp.Calendar = TaiwanCalendar.GetDefaultInstance();
- s_zhtwDTFI = temp;
- }
- return (temp);
- }
-
-
- // DTFI properties should call this when the setter are called.
- private void ClearTokenHashTable()
- {
- m_dtfiTokenHash = null;
- formatFlags = DateTimeFormatFlags.NotInitialized;
- }
-
- internal TokenHashValue[] CreateTokenHashTable() {
- TokenHashValue[] temp = m_dtfiTokenHash;
- if (temp == null) {
- temp = new TokenHashValue[TOKEN_HASH_SIZE];
-
- bool koreanLanguage = LanguageName.Equals(KoreanLangName);
-
- string sep = this.TimeSeparator.Trim();
- if (IgnorableComma != sep) InsertHash(temp, IgnorableComma, TokenType.IgnorableSymbol, 0);
- if (IgnorablePeriod != sep) InsertHash(temp, IgnorablePeriod, TokenType.IgnorableSymbol, 0);
-
- if (KoreanHourSuff != sep && CJKHourSuff != sep && ChineseHourSuff != sep) {
- //
- // On the Macintosh, the default TimeSeparator is identical to the KoreanHourSuff, CJKHourSuff, or ChineseHourSuff for some cultures like
- // ja-JP and ko-KR. In these cases having the same symbol inserted into the hash table with multiple TokenTypes causes undesirable
- // DateTime.Parse behavior. For instance, the DateTimeFormatInfo.Tokenize() method might return SEP_DateOrOffset for KoreanHourSuff
- // instead of SEP_HourSuff.
- //
- InsertHash(temp, this.TimeSeparator, TokenType.SEP_Time, 0);
- }
-
- InsertHash(temp, this.AMDesignator, TokenType.SEP_Am | TokenType.Am, 0);
- InsertHash(temp, this.PMDesignator, TokenType.SEP_Pm | TokenType.Pm, 1);
-
- if (LanguageName.Equals("sq")) {
- // Albanian allows time formats like "12:00.PD"
- InsertHash(temp, IgnorablePeriod + this.AMDesignator, TokenType.SEP_Am | TokenType.Am, 0);
- InsertHash(temp, IgnorablePeriod + this.PMDesignator, TokenType.SEP_Pm | TokenType.Pm, 1);
- }
-
- // CJK suffix
- InsertHash(temp, CJKYearSuff, TokenType.SEP_YearSuff, 0);
- InsertHash(temp, KoreanYearSuff, TokenType.SEP_YearSuff, 0);
- InsertHash(temp, CJKMonthSuff, TokenType.SEP_MonthSuff, 0);
- InsertHash(temp, KoreanMonthSuff, TokenType.SEP_MonthSuff, 0);
- InsertHash(temp, CJKDaySuff, TokenType.SEP_DaySuff, 0);
- InsertHash(temp, KoreanDaySuff, TokenType.SEP_DaySuff, 0);
-
- InsertHash(temp, CJKHourSuff, TokenType.SEP_HourSuff, 0);
- InsertHash(temp, ChineseHourSuff, TokenType.SEP_HourSuff, 0);
- InsertHash(temp, CJKMinuteSuff, TokenType.SEP_MinuteSuff, 0);
- InsertHash(temp, CJKSecondSuff, TokenType.SEP_SecondSuff, 0);
-
- if (koreanLanguage) {
- // Korean suffix
- InsertHash(temp, KoreanHourSuff, TokenType.SEP_HourSuff, 0);
- InsertHash(temp, KoreanMinuteSuff, TokenType.SEP_MinuteSuff, 0);
- InsertHash(temp, KoreanSecondSuff, TokenType.SEP_SecondSuff, 0);
- }
-
- if ( LanguageName.Equals("ky")) {
- // For some cultures, the date separator works more like a comma, being allowed before or after any date part
- InsertHash(temp, dateSeparatorOrTimeZoneOffset, TokenType.IgnorableSymbol, 0);
- }
- else {
- InsertHash(temp, dateSeparatorOrTimeZoneOffset, TokenType.SEP_DateOrOffset, 0);
- }
-
- String[] dateWords = null;
- DateTimeFormatInfoScanner scanner = null;
-
- // We need to rescan the date words since we're always synthetic
- scanner = new DateTimeFormatInfoScanner();
- // Enumarate all LongDatePatterns, and get the DateWords and scan for month postfix.
- // The only reason they're being assigned to m_dateWords is for Whidbey Deserialization
- m_dateWords = dateWords = scanner.GetDateWordsOfDTFI(this);
- // Ensure the formatflags is initialized.
- DateTimeFormatFlags flag = FormatFlags;
-
- // For some cultures, the date separator works more like a comma, being allowed before or after any date part.
- // In these cultures, we do not use normal date separator since we disallow date separator after a date terminal state.
- // This is determined in DateTimeFormatInfoScanner. Use this flag to determine if we should treat date separator as ignorable symbol.
- bool useDateSepAsIgnorableSymbol = false;
-
- String monthPostfix = null;
- if (dateWords != null)
- {
- // There are DateWords. It could be a real date word (such as "de"), or a monthPostfix.
- // The monthPostfix starts with '\xfffe' (MonthPostfixChar), followed by the real monthPostfix.
- for (int i = 0; i < dateWords.Length; i++)
- {
- switch (dateWords[i][0])
- {
- // This is a month postfix
- case DateTimeFormatInfoScanner.MonthPostfixChar:
- // Get the real month postfix.
- monthPostfix = dateWords[i].Substring(1);
- // Add the month name + postfix into the token.
- AddMonthNames(temp, monthPostfix);
- break;
- case DateTimeFormatInfoScanner.IgnorableSymbolChar:
- String symbol = dateWords[i].Substring(1);
- InsertHash(temp, symbol, TokenType.IgnorableSymbol, 0);
- if (this.DateSeparator.Trim().Equals(symbol))
- {
- // The date separator is the same as the ingorable symbol.
- useDateSepAsIgnorableSymbol = true;
- }
- break;
- default:
- InsertHash(temp, dateWords[i], TokenType.DateWordToken, 0);
- if (LanguageName.Equals("eu")) {
- // Basque has date words with leading dots
- InsertHash(temp, IgnorablePeriod + dateWords[i], TokenType.DateWordToken, 0);
- }
- break;
- }
- }
- }
-
- if (!useDateSepAsIgnorableSymbol)
- {
- // Use the normal date separator.
- InsertHash(temp, this.DateSeparator, TokenType.SEP_Date, 0);
- }
- // Add the regular month names.
- AddMonthNames(temp, null);
-
- // Add the abbreviated month names.
- for (int i = 1; i <= 13; i++) {
- InsertHash(temp, GetAbbreviatedMonthName(i), TokenType.MonthToken, i);
- }
-
-
- if ((FormatFlags & DateTimeFormatFlags.UseGenitiveMonth) != 0) {
- for (int i = 1; i <= 13; i++) {
- String str;
- str = internalGetMonthName(i, MonthNameStyles.Genitive, false);
- InsertHash(temp, str, TokenType.MonthToken, i);
- }
- }
-
- if ((FormatFlags & DateTimeFormatFlags.UseLeapYearMonth) != 0) {
- for (int i = 1; i <= 13; i++) {
- String str;
- str = internalGetMonthName(i, MonthNameStyles.LeapYear, false);
- InsertHash(temp, str, TokenType.MonthToken, i);
- }
- }
-
- for (int i = 0; i < 7; i++) {
- //String str = GetDayOfWeekNames()[i];
- // We have to call public methods here to work with inherited DTFI.
- String str = GetDayName((DayOfWeek)i);
- InsertHash(temp, str, TokenType.DayOfWeekToken, i);
-
- str = GetAbbreviatedDayName((DayOfWeek)i);
- InsertHash(temp, str, TokenType.DayOfWeekToken, i);
-
- }
-
- int[] eras = calendar.Eras;
- for (int i = 1; i <= eras.Length; i++) {
- InsertHash(temp, GetEraName(i), TokenType.EraToken, i);
- InsertHash(temp, GetAbbreviatedEraName(i), TokenType.EraToken, i);
- }
-
- if (LanguageName.Equals(JapaneseLangName)) {
- // Japanese allows day of week forms like: "(Tue)"
- for (int i = 0; i < 7; i++) {
- String specialDayOfWeek = "(" + GetAbbreviatedDayName((DayOfWeek)i) + ")";
- InsertHash(temp, specialDayOfWeek, TokenType.DayOfWeekToken, i);
- }
- if (this.Calendar.GetType() != typeof(JapaneseCalendar)) {
- // Special case for Japanese. If this is a Japanese DTFI, and the calendar is not Japanese calendar,
- // we will check Japanese Era name as well when the calendar is Gregorian.
- DateTimeFormatInfo jaDtfi = GetJapaneseCalendarDTFI();
- for (int i = 1; i <= jaDtfi.Calendar.Eras.Length; i++) {
- InsertHash(temp, jaDtfi.GetEraName(i), TokenType.JapaneseEraToken, i);
- InsertHash(temp, jaDtfi.GetAbbreviatedEraName(i), TokenType.JapaneseEraToken, i);
- // m_abbrevEnglishEraNames[0] contains the name for era 1, so the token value is i+1.
- InsertHash(temp, jaDtfi.AbbreviatedEnglishEraNames[i-1], TokenType.JapaneseEraToken, i);
- }
- }
- }
- else if (CultureName.Equals("zh-TW")) {
- DateTimeFormatInfo twDtfi = GetTaiwanCalendarDTFI();
- for (int i = 1; i <= twDtfi.Calendar.Eras.Length; i++) {
- if (twDtfi.GetEraName(i).Length > 0) {
- InsertHash(temp, twDtfi.GetEraName(i), TokenType.TEraToken, i);
- }
- }
- }
-
- InsertHash(temp, InvariantInfo.AMDesignator, TokenType.SEP_Am | TokenType.Am, 0);
- InsertHash(temp, InvariantInfo.PMDesignator, TokenType.SEP_Pm | TokenType.Pm, 1);
-
- // Add invariant month names and day names.
- for (int i = 1; i <= 12; i++) {
- String str;
- // We have to call public methods here to work with inherited DTFI.
- // Insert the month name first, so that they are at the front of abbrevaited
- // month names.
- str = InvariantInfo.GetMonthName(i);
- InsertHash(temp, str, TokenType.MonthToken, i);
- str = InvariantInfo.GetAbbreviatedMonthName(i);
- InsertHash(temp, str, TokenType.MonthToken, i);
- }
-
- for (int i = 0; i < 7; i++) {
- // We have to call public methods here to work with inherited DTFI.
- String str = InvariantInfo.GetDayName((DayOfWeek)i);
- InsertHash(temp, str, TokenType.DayOfWeekToken, i);
-
- str = InvariantInfo.GetAbbreviatedDayName((DayOfWeek)i);
- InsertHash(temp, str, TokenType.DayOfWeekToken, i);
-
- }
-
- for (int i = 0; i < AbbreviatedEnglishEraNames.Length; i++) {
- // m_abbrevEnglishEraNames[0] contains the name for era 1, so the token value is i+1.
- InsertHash(temp, AbbreviatedEnglishEraNames[i], TokenType.EraToken, i + 1);
- }
-
- InsertHash(temp, LocalTimeMark, TokenType.SEP_LocalTimeMark, 0);
- InsertHash(temp, DateTimeParse.GMTName, TokenType.TimeZoneToken, 0);
- InsertHash(temp, DateTimeParse.ZuluName, TokenType.TimeZoneToken, 0);
-
- InsertHash(temp, invariantDateSeparator, TokenType.SEP_Date, 0);
- InsertHash(temp, invariantTimeSeparator, TokenType.SEP_Time, 0);
-
- m_dtfiTokenHash = temp;
- }
- return (temp);
- }
-
- private void AddMonthNames(TokenHashValue[] temp, String monthPostfix)
- {
- for (int i = 1; i <= 13; i++) {
- String str;
- //str = internalGetMonthName(i, MonthNameStyles.Regular, false);
- // We have to call public methods here to work with inherited DTFI.
- // Insert the month name first, so that they are at the front of abbrevaited
- // month names.
- str = GetMonthName(i);
- if (str.Length > 0) {
- if (monthPostfix != null) {
- // Insert the month name with the postfix first, so it can be matched first.
- InsertHash(temp, str + monthPostfix, TokenType.MonthToken, i);
- } else
- {
- InsertHash(temp, str, TokenType.MonthToken, i);
- }
- }
- str = GetAbbreviatedMonthName(i);
- InsertHash(temp, str, TokenType.MonthToken, i);
- }
-
- }
-
- ////////////////////////////////////////////////////////////////////////
- //
- // Actions:
- // Try to parse the current word to see if it is a Hebrew number.
- // Tokens will be updated accordingly.
- // This is called by the Lexer of DateTime.Parse().
- //
- // Unlike most of the functions in this class, the return value indicates
- // whether or not it started to parse. The badFormat parameter indicates
- // if parsing began, but the format was bad.
- //
- ////////////////////////////////////////////////////////////////////////
-
- private static bool TryParseHebrewNumber(
- ref __DTString str,
- out Boolean badFormat,
- out int number) {
-
- number = -1;
- badFormat = false;
-
- int i = str.Index;
- if (!HebrewNumber.IsDigit(str.Value[i])) {
- // If the current character is not a Hebrew digit, just return false.
- // There is no chance that we can parse a valid Hebrew number from here.
- return (false);
- }
- // The current character is a Hebrew digit. Try to parse this word as a Hebrew number.
- HebrewNumberParsingContext context = new HebrewNumberParsingContext(0);
- HebrewNumberParsingState state;
-
- do {
- state = HebrewNumber.ParseByChar(str.Value[i++], ref context);
- switch (state) {
- case HebrewNumberParsingState.InvalidHebrewNumber: // Not a valid Hebrew number.
- case HebrewNumberParsingState.NotHebrewDigit: // The current character is not a Hebrew digit character.
- // Break out so that we don't continue to try parse this as a Hebrew number.
- return (false);
- }
- } while (i < str.Value.Length && (state != HebrewNumberParsingState.FoundEndOfHebrewNumber));
-
- // When we are here, we are either at the end of the string, or we find a valid Hebrew number.
- Debug.Assert(state == HebrewNumberParsingState.ContinueParsing || state == HebrewNumberParsingState.FoundEndOfHebrewNumber,
- "Invalid returned state from HebrewNumber.ParseByChar()");
-
- if (state != HebrewNumberParsingState.FoundEndOfHebrewNumber) {
- // We reach end of the string but we can't find a terminal state in parsing Hebrew number.
- return (false);
- }
-
- // We have found a valid Hebrew number. Update the index.
- str.Advance(i - str.Index);
-
- // Get the final Hebrew number value from the HebrewNumberParsingContext.
- number = context.result;
-
- return (true);
- }
-
- private static bool IsHebrewChar(char ch) {
- return (ch >= '\x0590' && ch <= '\x05ff');
- }
-
- internal bool Tokenize(TokenType TokenMask, out TokenType tokenType, out int tokenValue, ref __DTString str) {
- tokenType = TokenType.UnknownToken;
- tokenValue = 0;
-
- TokenHashValue value;
- Debug.Assert(str.Index < str.Value.Length, "DateTimeFormatInfo.Tokenize(): start < value.Length");
-
- char ch = str.m_current;
- bool isLetter = Char.IsLetter(ch);
- if (isLetter) {
- ch = Char.ToLower(ch, this.Culture);
- if (IsHebrewChar(ch) && TokenMask == TokenType.RegularTokenMask) {
- bool badFormat;
- if (TryParseHebrewNumber(ref str, out badFormat, out tokenValue)) {
- if (badFormat) {
- tokenType = TokenType.UnknownToken;
- return (false);
- }
- // This is a Hebrew number.
- // Do nothing here. TryParseHebrewNumber() will update token accordingly.
- tokenType = TokenType.HebrewNumber;
- return (true);
- }
- }
- }
-
-
- int hashcode = ch % TOKEN_HASH_SIZE;
- int hashProbe = 1 + ch % SECOND_PRIME;
- int remaining = str.len - str.Index;
- int i = 0;
-
- TokenHashValue[] hashTable = m_dtfiTokenHash;
- if (hashTable == null) {
- hashTable = CreateTokenHashTable();
- }
- do {
- value = hashTable[hashcode];
- if (value == null) {
- // Not found.
- break;
- }
- // Check this value has the right category (regular token or separator token) that we are looking for.
- if (((int)value.tokenType & (int)TokenMask) > 0 && value.tokenString.Length <= remaining) {
- if (String.Compare(str.Value, str.Index, value.tokenString, 0, value.tokenString.Length, this.Culture, CompareOptions.IgnoreCase)==0) {
- if (isLetter) {
- // If this token starts with a letter, make sure that we won't allow partial match. So you can't tokenize "MarchWed" separately.
- int nextCharIndex;
- if ((nextCharIndex = str.Index + value.tokenString.Length) < str.len) {
- // Check word boundary. The next character should NOT be a letter.
- char nextCh = str.Value[nextCharIndex];
- if (Char.IsLetter(nextCh)) {
- return (false);
- }
- }
- }
- tokenType = value.tokenType & TokenMask;
- tokenValue = value.tokenValue;
- str.Advance(value.tokenString.Length);
- return (true);
- } else if (value.tokenType == TokenType.MonthToken && HasSpacesInMonthNames) {
- // For month token, we will match the month names which have spaces.
- int matchStrLen = 0;
- if (str.MatchSpecifiedWords(value.tokenString, true, ref matchStrLen)) {
- tokenType = value.tokenType & TokenMask;
- tokenValue = value.tokenValue;
- str.Advance(matchStrLen);
- return (true);
- }
- } else if (value.tokenType == TokenType.DayOfWeekToken && HasSpacesInDayNames) {
- // For month token, we will match the month names which have spaces.
- int matchStrLen = 0;
- if (str.MatchSpecifiedWords(value.tokenString, true, ref matchStrLen)) {
- tokenType = value.tokenType & TokenMask;
- tokenValue = value.tokenValue;
- str.Advance(matchStrLen);
- return (true);
- }
- }
- }
- i++;
- hashcode += hashProbe;
- if (hashcode >= TOKEN_HASH_SIZE) hashcode -= TOKEN_HASH_SIZE;
- }while (i < TOKEN_HASH_SIZE);
-
- return (false);
- }
-
- void InsertAtCurrentHashNode(TokenHashValue[] hashTable, String str, char ch, TokenType tokenType, int tokenValue, int pos, int hashcode, int hashProbe) {
- // Remember the current slot.
- TokenHashValue previousNode = hashTable[hashcode];
-
- //// Console.WriteLine(" Insert Key: {0} in {1}", str, slotToInsert);
- // Insert the new node into the current slot.
- hashTable[hashcode] = new TokenHashValue(str, tokenType, tokenValue);;
-
- while (++pos < TOKEN_HASH_SIZE) {
- hashcode += hashProbe;
- if (hashcode >= TOKEN_HASH_SIZE) hashcode -= TOKEN_HASH_SIZE;
- // Remember this slot
- TokenHashValue temp = hashTable[hashcode];
-
- if (temp != null && Char.ToLower(temp.tokenString[0], this.Culture) != ch) {
- continue;
- }
- // Put the previous slot into this slot.
- hashTable[hashcode] = previousNode;
- //// Console.WriteLine(" Move {0} to slot {1}", previousNode.tokenString, hashcode);
- if (temp == null) {
- // Done
- return;
- }
- previousNode = temp;
- } ;
- Debug.Assert(false, "The hashtable is full. This should not happen.");
- }
-
- void InsertHash(TokenHashValue[] hashTable, String str, TokenType tokenType, int tokenValue) {
- // The month of the 13th month is allowed to be null, so make sure that we ignore null value here.
- if (str == null || str.Length == 0) {
- return;
- }
- TokenHashValue value;
- int i = 0;
- // If there is whitespace characters in the beginning and end of the string, trim them since whitespaces are skipped by
- // DateTime.Parse().
- if (Char.IsWhiteSpace(str[0]) || Char.IsWhiteSpace(str[str.Length - 1])) {
- str = str.Trim(); // Trim white space characters.
- // Could have space for separators
- if (str.Length == 0)
- return;
- }
- char ch = Char.ToLower(str[0], this.Culture);
- int hashcode = ch % TOKEN_HASH_SIZE;
- int hashProbe = 1 + ch % SECOND_PRIME;
- do {
- value = hashTable[hashcode];
- if (value == null) {
- //// Console.WriteLine(" Put Key: {0} in {1}", str, hashcode);
- hashTable[hashcode] = new TokenHashValue(str, tokenType, tokenValue);
- return;
- } else {
- // Collision happens. Find another slot.
- if (str.Length >= value.tokenString.Length) {
- // If there are two tokens with the same prefix, we have to make sure that the longer token should be at the front of
- // the shorter ones.
- if (String.Compare(str, 0, value.tokenString, 0, value.tokenString.Length, this.Culture, CompareOptions.IgnoreCase) == 0) {
- if (str.Length > value.tokenString.Length) {
- // The str to be inserted has the same prefix as the current token, and str is longer.
- // Insert str into this node, and shift every node behind it.
- InsertAtCurrentHashNode(hashTable, str, ch, tokenType, tokenValue, i, hashcode, hashProbe);
- return;
- } else {
- // Same token. If they have different types (regular token vs separator token). Add them.
- // If we have the same regular token or separator token in the hash already, do NOT update the hash.
- // Therefore, the order of inserting token is significant here regarding what tokenType will be kept in the hash.
-
-
- //
- // Check the current value of RegularToken (stored in the lower 8-bit of tokenType) , and insert the tokenType into the hash ONLY when we don't have a RegularToken yet.
- // Also check the current value of SeparatorToken (stored in the upper 8-bit of token), and insert the tokenType into the hash ONLY when we don't have the SeparatorToken yet.
- //
-
- int nTokenType = (int)tokenType;
- int nCurrentTokenTypeInHash = (int)value.tokenType;
-
- if (((nCurrentTokenTypeInHash & (int)TokenType.RegularTokenMask) == 0) && ((nTokenType & (int)TokenType.RegularTokenMask) != 0) ||
- ((nCurrentTokenTypeInHash & (int)TokenType.SeparatorTokenMask) == 0) && ((nTokenType & (int)TokenType.SeparatorTokenMask) != 0))
- {
- value.tokenType |= tokenType;
- if (tokenValue != 0)
- {
- value.tokenValue = tokenValue;
- }
- }
- // The token to be inserted is already in the table. Skip it.
- }
- }
- }
- }
- //// Console.WriteLine(" COLLISION. Old Key: {0}, New Key: {1}", hashTable[hashcode].tokenString, str);
- i++;
- hashcode += hashProbe;
- if (hashcode >= TOKEN_HASH_SIZE) hashcode -= TOKEN_HASH_SIZE;
- } while (i < TOKEN_HASH_SIZE);
- Debug.Assert(false, "The hashtable is full. This should not happen.");
- }
- } // class DateTimeFormatInfo
-
- internal class TokenHashValue {
- internal String tokenString;
- internal TokenType tokenType;
- internal int tokenValue;
-
- internal TokenHashValue(String tokenString, TokenType tokenType, int tokenValue) {
- this.tokenString = tokenString;
- this.tokenType = tokenType;
- this.tokenValue = tokenValue;
- }
- }
-}