322 lines
9.8 KiB
C#
322 lines
9.8 KiB
C#
//
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// System.Web.Configuration.GlobalizationSection
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//
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// Authors:
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// Chris Toshok (toshok@ximian.com)
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//
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// (C) 2005 Novell, Inc (http://www.novell.com)
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections;
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using System.Configuration;
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using System.Globalization;
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using System.Text;
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using System.Xml;
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using System.Web.Util;
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namespace System.Web.Configuration {
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public sealed class GlobalizationSection : ConfigurationSection
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{
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static ConfigurationProperty cultureProp;
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static ConfigurationProperty enableBestFitResponseEncodingProp;
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static ConfigurationProperty enableClientBasedCultureProp;
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static ConfigurationProperty fileEncodingProp;
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static ConfigurationProperty requestEncodingProp;
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static ConfigurationProperty resourceProviderFactoryTypeProp;
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static ConfigurationProperty responseEncodingProp;
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static ConfigurationProperty responseHeaderEncodingProp;
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static ConfigurationProperty uiCultureProp;
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static ConfigurationPropertyCollection properties;
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static GlobalizationSection ()
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{
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cultureProp = new ConfigurationProperty ("culture", typeof (string), "");
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enableBestFitResponseEncodingProp = new ConfigurationProperty ("enableBestFitResponseEncoding", typeof (bool), false);
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enableClientBasedCultureProp = new ConfigurationProperty ("enableClientBasedCulture", typeof (bool), false);
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fileEncodingProp = new ConfigurationProperty ("fileEncoding", typeof (string));
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requestEncodingProp = new ConfigurationProperty ("requestEncoding", typeof (string), "utf-8");
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resourceProviderFactoryTypeProp = new ConfigurationProperty ("resourceProviderFactoryType", typeof (string), "");
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responseEncodingProp = new ConfigurationProperty ("responseEncoding", typeof (string), "utf-8");
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responseHeaderEncodingProp = new ConfigurationProperty ("responseHeaderEncoding", typeof (string), "utf-8");
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uiCultureProp = new ConfigurationProperty ("uiCulture", typeof (string), "");
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properties = new ConfigurationPropertyCollection ();
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properties.Add (cultureProp);
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properties.Add (enableBestFitResponseEncodingProp);
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properties.Add (enableClientBasedCultureProp);
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properties.Add (fileEncodingProp);
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properties.Add (requestEncodingProp);
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properties.Add (resourceProviderFactoryTypeProp);
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properties.Add (responseEncodingProp);
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properties.Add (responseHeaderEncodingProp);
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properties.Add (uiCultureProp);
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}
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public GlobalizationSection ()
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{
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encodingHash = new Hashtable ();
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}
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void VerifyData ()
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{
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bool fake = false;
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try {
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GetSanitizedCulture (Culture, ref fake);
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}
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catch {
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throw new ConfigurationErrorsException ("the <globalization> tag contains an invalid value for the 'culture' attribute");
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}
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try {
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GetSanitizedCulture (UICulture, ref fake);
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}
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catch {
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throw new ConfigurationErrorsException ("the <globalization> tag contains an invalid value for the 'uiCulture' attribute");
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}
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}
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protected override void PostDeserialize ()
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{
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base.PostDeserialize();
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VerifyData ();
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}
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protected override void PreSerialize (XmlWriter writer)
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{
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base.PreSerialize(writer);
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VerifyData ();
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}
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[ConfigurationProperty ("culture", DefaultValue = "")]
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public string Culture {
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get { return (string) base [cultureProp];}
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set { base[cultureProp] = value; }
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}
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[ConfigurationProperty ("enableBestFitResponseEncoding", DefaultValue = "False")]
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public bool EnableBestFitResponseEncoding {
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get { return (bool) base [enableBestFitResponseEncodingProp];}
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set { base[enableBestFitResponseEncodingProp] = value; }
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}
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[ConfigurationProperty ("enableClientBasedCulture", DefaultValue = "False")]
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public bool EnableClientBasedCulture {
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get { return (bool) base [enableClientBasedCultureProp];}
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set { base[enableClientBasedCultureProp] = value; }
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}
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[ConfigurationProperty ("fileEncoding")]
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public Encoding FileEncoding {
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get { return GetEncoding (fileEncodingProp, ref cached_fileencoding); }
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set { base[fileEncodingProp] = value.WebName; }
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}
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[ConfigurationProperty ("requestEncoding", DefaultValue = "utf-8")]
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public Encoding RequestEncoding {
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get { return GetEncoding (requestEncodingProp, ref cached_requestencoding); }
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set { base[requestEncodingProp] = value.WebName; }
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}
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[ConfigurationProperty ("resourceProviderFactoryType", DefaultValue = "")]
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public string ResourceProviderFactoryType {
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get { return (string) base [resourceProviderFactoryTypeProp];}
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set { base[resourceProviderFactoryTypeProp] = value; }
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}
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[ConfigurationProperty ("responseEncoding", DefaultValue = "utf-8")]
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public Encoding ResponseEncoding {
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get { return GetEncoding (responseEncodingProp, ref cached_responseencoding); }
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set { base[responseEncodingProp] = value.WebName; }
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}
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[ConfigurationProperty ("responseHeaderEncoding", DefaultValue = "utf-8")]
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public Encoding ResponseHeaderEncoding {
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get { return GetEncoding (responseHeaderEncodingProp, ref cached_responseheaderencoding); }
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set { base[responseHeaderEncodingProp] = value.WebName; }
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}
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[ConfigurationProperty ("uiCulture", DefaultValue = "")]
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public string UICulture {
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get { return (string) base [uiCultureProp];}
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set { base[uiCultureProp] = value; }
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}
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protected internal override ConfigurationPropertyCollection Properties {
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get { return properties; }
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}
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#region CompatabilityCode
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string cached_fileencoding;
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string cached_requestencoding;
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string cached_responseencoding;
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string cached_responseheaderencoding;
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Hashtable encodingHash;
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string cached_culture;
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CultureInfo cached_cultureinfo;
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string cached_uiculture;
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CultureInfo cached_uicultureinfo;
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static bool encoding_warning;
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static bool culture_warning;
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bool autoCulture;
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bool autoUICulture;
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internal bool IsAutoCulture {
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get { return autoCulture; }
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}
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internal bool IsAutoUICulture {
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get { return autoUICulture; }
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}
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CultureInfo GetSanitizedCulture (string culture, ref bool auto)
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{
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auto = false;
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if (culture == null)
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throw new ArgumentNullException ("culture");
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if (culture.Length <= 3)
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return new CultureInfo (culture);
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if (culture.StartsWith ("auto")) {
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auto = true;
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if (culture.Length > 5 && culture[4] == ':')
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return new CultureInfo (culture.Substring (5));
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return Helpers.InvariantCulture;// (0x007f);
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}
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return new CultureInfo (culture);
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}
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internal CultureInfo GetUICulture ()
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{
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string uiculture = UICulture;
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if (cached_uiculture != uiculture) {
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try {
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cached_uicultureinfo = GetSanitizedCulture (uiculture, ref autoUICulture);
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cached_uiculture = uiculture;
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} catch {
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CultureFailed ("UICulture", uiculture);
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cached_uicultureinfo = new CultureInfo (0x007f); // Invariant
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cached_uiculture = null;
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}
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}
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return cached_uicultureinfo;
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}
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internal CultureInfo GetCulture ()
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{
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string culture = Culture;
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if (cached_culture != culture) {
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try {
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cached_cultureinfo = GetSanitizedCulture (culture, ref autoCulture);
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cached_culture = culture;
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} catch {
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CultureFailed ("Culture", culture);
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cached_cultureinfo = new CultureInfo (0x007f); // Invariant
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cached_culture = null;
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}
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}
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return cached_cultureinfo;
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}
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Encoding GetEncoding (ConfigurationProperty prop, ref string cached_encoding_name)
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{
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string enc = (string) base [prop];
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if (cached_encoding_name == null)
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cached_encoding_name = ((enc == null) ? "utf-8" : enc);
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Encoding encoding = (Encoding)encodingHash [prop];
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if (encoding == null || encoding.WebName != cached_encoding_name) {
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try {
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switch (cached_encoding_name.ToLower (Helpers.InvariantCulture)) {
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case "utf-16le":
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case "utf-16":
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case "ucs-2":
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case "unicode":
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case "iso-10646-ucs-2":
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encoding = new UnicodeEncoding (false, true);
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break;
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case "utf-16be":
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case "unicodefffe":
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encoding = new UnicodeEncoding (true, true);
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break;
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case "utf-8":
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case "unicode-1-1-utf-8":
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case "unicode-2-0-utf-8":
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case "x-unicode-1-1-utf-8":
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case "x-unicode-2-0-utf-8":
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encoding = Encoding.UTF8;
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break;
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default:
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encoding = Encoding.GetEncoding (cached_encoding_name);
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break;
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}
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} catch {
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EncodingFailed (prop.Name, cached_encoding_name);
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encoding = new UTF8Encoding (false, false);
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}
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}
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encodingHash[prop] = encoding;
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cached_encoding_name = encoding.WebName;
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return encoding;
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}
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static void EncodingFailed (string att, string enc)
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{
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if (encoding_warning)
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return;
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encoding_warning = true;
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Console.WriteLine ("Encoding {1} cannot be loaded.\n" +
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"{0}=\"{1}\"\n", att, enc);
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}
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static void CultureFailed (string att, string cul)
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{
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if (culture_warning)
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return;
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culture_warning = true;
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Console.WriteLine ("Culture {1} cannot be loaded. Perhaps your runtime \n" +
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"don't have ICU support?\n{0}=\"{1}\"\n", att, cul);
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}
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#endregion
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}
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}
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