/
IdnElement.cs
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/
IdnElement.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.
using System.ComponentModel;
using System.Globalization;
namespace System.Configuration
{
public sealed class IdnElement : ConfigurationElement
{
internal const UriIdnScope EnabledDefaultValue = UriIdnScope.None;
private readonly ConfigurationPropertyCollection _properties = new ConfigurationPropertyCollection();
private readonly ConfigurationProperty _enabled =
new ConfigurationProperty(CommonConfigurationStrings.Enabled, typeof(UriIdnScope),
EnabledDefaultValue, new UriIdnScopeTypeConverter(), null, ConfigurationPropertyOptions.None);
public IdnElement()
{
_properties.Add(_enabled);
}
protected internal override ConfigurationPropertyCollection Properties
{
get
{
return _properties;
}
}
[ConfigurationProperty(CommonConfigurationStrings.Enabled, DefaultValue = EnabledDefaultValue)]
public UriIdnScope Enabled
{
get { return (UriIdnScope)this[_enabled]; }
set { this[_enabled] = value; }
}
private sealed class UriIdnScopeTypeConverter : TypeConverter
{
public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
{
if (sourceType == typeof(string))
{
return true;
}
return base.CanConvertFrom(context, sourceType);
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value is string s)
{
switch (s.ToLowerInvariant())
{
case "all":
return UriIdnScope.All;
case "none":
return UriIdnScope.None;
case "allexceptintranet":
return UriIdnScope.AllExceptIntranet;
}
}
return base.ConvertFrom(context, culture, value);
}
}
}
}