Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Globalization / RegionInfo.cs / 1 / RegionInfo.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /* SSS_WARNINGS_OFF */ //////////////////////////////////////////////////////////////////////////// // // Class: RegionInfo // // Purpose: This class represents settings specified by de jure or // de facto standards for a particular country or region. In // contrast to CultureInfo, the RegionInfo does not represent // preferences of the user and does not depend on the user's // language or culture. // // Date: March 31, 1999 // //////////////////////////////////////////////////////////////////////////// /* SSS_WARNINGS_ON */ namespace System.Globalization { using System; using System.Runtime.Serialization; [Serializable] [System.Runtime.InteropServices.ComVisible(true)] public class RegionInfo { //--------------------------------------------------------------------// // Internal Information // //-------------------------------------------------------------------// // // Variables. // internal String m_name; // // m_cultureId only used for serialization to detect if we have created the Region using LCID. // When creating region using culture Id we fake the name (for compatibility) so during the // deserialization we need to detect if we have faked name or real name. // [OptionalField(VersionAdded = 2)] int m_cultureId; // // The CultureTable instance that we are going to read data from. // For supported culture, this will be the CultureTable instance that read data from mscorlib assembly. // For customized culture, this will be the CultureTable instance that read data from user customized culture binary file. // [NonSerialized]internal CultureTableRecord m_cultureTableRecord; internal static RegionInfo m_currentRegionInfo; //////////////////////////////////////////////////////////////////////// // // RegionInfo Constructors // //////////////////////////////////////////////////////////////////////// public RegionInfo(String name) { if (name==null) throw new ArgumentNullException("name"); if (name.Length == 0) throw new ArgumentException(Environment.GetResourceString("Argument_InvalidRegionName", name), "name"); this.m_name = name.ToUpper(CultureInfo.InvariantCulture); m_cultureId = 0; // // First try it as an entire culture. We must have user override as true here so // that we can pick up custom cultures *before* built-in ones (if they want to // prefer built-in cultures they will pass "us" instead of "en-US"). // this.m_cultureTableRecord = CultureTableRecord.GetCultureTableRecordForRegion(name, true); if (this.m_cultureTableRecord.IsNeutralCulture) { // Not supposed to be neutral throw new ArgumentException(Environment.GetResourceString("Argument_InvalidNeutralRegionName", name), "name"); } } public RegionInfo(int culture) { // Get the culture data item. if (culture == CultureInfo.LOCALE_INVARIANT) { //The InvariantCulture has no matching region throw new ArgumentException(Environment.GetResourceString("Argument_NoRegionInvariantCulture")); } if (CultureTableRecord.IsCustomCultureId(culture)) { // Customized culture throw new ArgumentException(Environment.GetResourceString("Argument_CustomCultureCannotBePassedByNumber", "culture")); } if (CultureInfo.GetSubLangID(culture) == 0) { // Supposed to have sublang (region) info throw new ArgumentException(Environment.GetResourceString("Argument_CultureIsNeutral", culture), "culture"); } // // From this region data item, get the region data item. // Several culture ID may map to the same region. // For example, 0x1009 (English (Canada)) and 0x0c0c (French (Canada)) all map to // the same region "CA" (Canada). // this.m_cultureTableRecord = CultureTableRecord.GetCultureTableRecord(culture, true); if (this.m_cultureTableRecord.IsNeutralCulture) { // Not supposed to be neutral throw new ArgumentException(Environment.GetResourceString("Argument_CultureIsNeutral", culture), "culture"); } // Make sure that we initialize m_name since it will be used in deserialization. this.m_name = this.m_cultureTableRecord.SREGIONNAME; m_cultureId = culture; } internal RegionInfo(CultureTableRecord table) { this.m_cultureTableRecord = table; // Make sure that we initialize m_name since it will be used in deserialization. this.m_name = this.m_cultureTableRecord.SREGIONNAME; } #region Serialization // the following field is defined to keep the compatibility with Everett. // don't change/remove the names/types of these field. internal int m_dataItem; [OnDeserialized] private void OnDeserialized(StreamingContext ctx) { if (m_name == null) { BCLDebug.Assert(m_dataItem >= 0, "[RegionInfo.OnDeserialized] null name and invalid dataItem"); m_cultureTableRecord = CultureTableRecord.GetCultureTableRecord(CultureTableRecord.IdFromEverettRegionInfoDataItem(m_dataItem), true); m_name = m_cultureTableRecord.SREGIONNAME; } else { if (m_cultureId != 0) m_cultureTableRecord = CultureTableRecord.GetCultureTableRecord(m_cultureId, true); else m_cultureTableRecord = CultureTableRecord.GetCultureTableRecordForRegion(m_name, true); } } [OnSerializing] private void OnSerializing(StreamingContext ctx) { m_dataItem = m_cultureTableRecord.EverettRegionDataItem(); } #endregion Serialization //////////////////////////////////////////////////////////////////////// // // GetCurrentRegion // // This instance provides methods based on the current user settings. // These settings are volatile and may change over the lifetime of the // thread. // //////////////////////////////////////////////////////////////////////// public static unsafe RegionInfo CurrentRegion { get { RegionInfo temp = m_currentRegionInfo; if (temp == null) { temp = new RegionInfo(CultureInfo.CurrentCulture.m_cultureTableRecord); // Need full name for custom cultures if (temp.m_cultureTableRecord.IsCustomCulture) { temp.m_name=temp.m_cultureTableRecord.SNAME; } m_currentRegionInfo = temp; } return temp; } } //////////////////////////////////////////////////////////////////////// // // GetName // // Returns the name of the region in the UI language. // //////////////////////////////////////////////////////////////////////// public virtual String Name { get { if (m_name == null) { m_name = this.m_cultureTableRecord.SREGIONNAME; } return (m_name); } } //////////////////////////////////////////////////////////////////////// // // GetEnglishName // // Returns the name of the region in English. // //////////////////////////////////////////////////////////////////////// public virtual String EnglishName { get { /* SSS_WARNINGS_OFF */ return (this.m_cultureTableRecord.SENGCOUNTRY); /* SSS_WARNINGS_ON */ } } public virtual String DisplayName { get { if (m_cultureTableRecord.IsCustomCulture) { if (m_cultureTableRecord.IsReplacementCulture) { //if (m_cultureTableRecord.IsSynthetic) return m_cultureTableRecord.RegionNativeDisplayName; else return (Environment.GetResourceString("Globalization.ri_"+this.m_cultureTableRecord.SREGIONNAME)); } else { /* SSS_WARNINGS_OFF */ return this.m_cultureTableRecord.SNATIVECOUNTRY; /* SSS_WARNINGS_ON */ } } else { // if (m_cultureTableRecord.IsSynthetic) return m_cultureTableRecord.RegionNativeDisplayName; else return (Environment.GetResourceString("Globalization.ri_"+this.m_cultureTableRecord.SREGIONNAME)); } } } [System.Runtime.InteropServices.ComVisible(false)] public virtual String NativeName { get { /* SSS_WARNINGS_OFF */ return (this.m_cultureTableRecord.SNATIVECOUNTRY); /* SSS_WARNINGS_ON */ } } public virtual String TwoLetterISORegionName { get { return (this.m_cultureTableRecord.SISO3166CTRYNAME); } } public virtual String ThreeLetterISORegionName { get { return (this.m_cultureTableRecord.SISO3166CTRYNAME2); } } public virtual bool IsMetric { get { int value = this.m_cultureTableRecord.IMEASURE; return (value==0); } } [System.Runtime.InteropServices.ComVisible(false)] public virtual int GeoId { get { return (this.m_cultureTableRecord.IGEOID); } } public virtual String ThreeLetterWindowsRegionName { get { return (this.m_cultureTableRecord.SABBREVCTRYNAME); } } [System.Runtime.InteropServices.ComVisible(false)] public virtual String CurrencyEnglishName { get { return (this.m_cultureTableRecord.SENGLISHCURRENCY); } } [System.Runtime.InteropServices.ComVisible(false)] public virtual String CurrencyNativeName { get { return (this.m_cultureTableRecord.SNATIVECURRENCY); } } /*================================ CurrencySymbol ============================= **Property: CurrencySymbol **Exceptions: None ==============================================================================*/ public virtual String CurrencySymbol { get { return (this.m_cultureTableRecord.SCURRENCY); } } /*================================ ISOCurrencySymbol ========================== **Property: Three characters of the international monetary symbol specified in ISO 4217. **Exceptions: None ==============================================================================*/ public virtual String ISOCurrencySymbol { get { return (this.m_cultureTableRecord.SINTLSYMBOL); } } //////////////////////////////////////////////////////////////////////// // // Equals // // Implements Object.Equals(). Returns a boolean indicating whether // or not object refers to the same CultureInfo as the current instance. // //////////////////////////////////////////////////////////////////////// public override bool Equals(Object value) { RegionInfo that = value as RegionInfo; if (that != null) { return this.Name.Equals(that.Name); } return (false); } //////////////////////////////////////////////////////////////////////// // // GetHashCode // // Implements Object.GetHashCode(). Returns the hash code for the // CultureInfo. The hash code is guaranteed to be the same for RegionInfo // A and B where A.Equals(B) is true. // //////////////////////////////////////////////////////////////////////// public override int GetHashCode() { return (this.Name.GetHashCode()); } //////////////////////////////////////////////////////////////////////// // // ToString // // Implements Object.ToString(). Returns the name of the Region, // eg. "United States". // //////////////////////////////////////////////////////////////////////// public override String ToString() { return (Name); } } }
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