File size: 4,499 Bytes
8c763fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | // Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Management.Automation;
namespace Microsoft.PowerShell.Commands
{
/// <summary>
/// Returns:
/// - the thread's current culture
/// - culture by name
/// - list of all supported cultures.
/// </summary>
[Cmdlet(VerbsCommon.Get, "Culture", DefaultParameterSetName = CurrentCultureParameterSet, HelpUri = "https://go.microsoft.com/fwlink/?LinkID=2097017")]
[OutputType(typeof(System.Globalization.CultureInfo))]
public sealed class GetCultureCommand : PSCmdlet
{
private const string CurrentCultureParameterSet = "CurrentCulture";
private const string NameParameterSet = "Name";
private const string ListAvailableParameterSet = "ListAvailable";
/// <summary>
/// Gets or sets culture names for which CultureInfo values are returned.
/// Empty string matches Invariant culture.
/// </summary>
[Parameter(ParameterSetName = NameParameterSet, Position = 0, ValueFromPipeline = true)]
[ValidateSet(typeof(ValidateCultureNamesGenerator))]
[ValidateNotNull]
public string[] Name { get; set; }
/// <summary>
/// Gets or sets a switch to return current culture with user overrides (by default).
/// With the switch on, we return current culture without user overrides.
/// </summary>
[Parameter(ParameterSetName = CurrentCultureParameterSet)]
[Parameter(ParameterSetName = NameParameterSet)]
public SwitchParameter NoUserOverrides { get; set; }
/// <summary>
/// Gets or sets a switch to list all available cultures.
/// </summary>
[Parameter(ParameterSetName = ListAvailableParameterSet)]
public SwitchParameter ListAvailable { get; set; }
/// <summary>
/// Output:
/// - the thread's current culture
/// - culture by name
/// - list of all supported cultures.
/// </summary>
protected override void ProcessRecord()
{
CultureInfo ci;
switch (ParameterSetName)
{
case CurrentCultureParameterSet:
if (NoUserOverrides)
{
ci = CultureInfo.GetCultureInfo(Host.CurrentCulture.Name);
}
else
{
ci = Host.CurrentCulture;
}
WriteObject(ci);
break;
case NameParameterSet:
try
{
foreach (var cultureName in Name)
{
if (!NoUserOverrides && string.Equals(cultureName, Host.CurrentCulture.Name, StringComparison.CurrentCultureIgnoreCase))
{
ci = Host.CurrentCulture;
}
else
{
ci = CultureInfo.GetCultureInfo(cultureName);
}
WriteObject(ci);
}
}
catch (CultureNotFoundException exc)
{
WriteError(new ErrorRecord(exc, "ItemNotFoundException", ErrorCategory.ObjectNotFound, Name));
}
break;
case ListAvailableParameterSet:
foreach (var cultureInfo in CultureInfo.GetCultures(CultureTypes.AllCultures))
{
WriteObject(cultureInfo);
}
break;
}
}
}
/// <summary>
/// Get list of valid culture names for ValidateSet attribute.
/// </summary>
public class ValidateCultureNamesGenerator : IValidateSetValuesGenerator
{
string[] IValidateSetValuesGenerator.GetValidValues()
{
var cultures = CultureInfo.GetCultures(CultureTypes.AllCultures);
var result = new List<string>(cultures.Length);
foreach (var cultureInfo in cultures)
{
result.Add(cultureInfo.Name);
}
return result.ToArray();
}
}
}
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