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// Licensed under the MIT License.
using System;
using System.Collections;
using System.Collections.Generic;
using System.Management.Automation;
using System.Management.Automation.Language;
using Microsoft.PowerShell.Commands.Internal;
namespace Microsoft.PowerShell.Commands
{
/// <summary>
/// Defines the implementation of the 'Get-Clipboard' cmdlet.
/// This cmdlet get the content from system clipboard.
/// </summary>
[Cmdlet(VerbsCommon.Get, "Clipboard", HelpUri = "https://go.microsoft.com/fwlink/?LinkId=2109905")]
[Alias("gcb")]
[OutputType(typeof(string))]
public class GetClipboardCommand : PSCmdlet
{
/// <summary>
/// Property that sets raw parameter. This will allow clipboard return text or file list as one string.
/// </summary>
[Parameter]
public SwitchParameter Raw
{
get
{
return _raw;
}
set
{
_raw = value;
}
}
/// <summary>
/// Gets or sets the delimiters to use when splitting the clipboard content.
/// </summary>
[Parameter]
[ArgumentCompleter(typeof(DelimiterCompleter))]
public string[] Delimiter { get; set; } = [Environment.NewLine];
private bool _raw;
/// <summary>
/// This method implements the ProcessRecord method for Get-Clipboard command.
/// </summary>
protected override void BeginProcessing()
{
this.WriteObject(GetClipboardContentAsText(), true);
}
/// <summary>
/// Returns the clipboard content as text format.
/// </summary>
/// <returns>Array of strings representing content from clipboard.</returns>
private List<string> GetClipboardContentAsText()
{
var result = new List<string>();
string textContent = null;
try
{
textContent = Clipboard.GetText();
}
catch (PlatformNotSupportedException)
{
ThrowTerminatingError(new ErrorRecord(new InvalidOperationException(ClipboardResources.UnsupportedPlatform), "FailedToGetClipboardUnsupportedPlatform", ErrorCategory.InvalidOperation, "Clipboard"));
}
if (_raw)
{
result.Add(textContent);
}
else
{
result.AddRange(textContent.Split(Delimiter, StringSplitOptions.None));
}
return result;
}
}
/// <summary>
/// Provides argument completion for the Delimiter parameter.
/// </summary>
public sealed class DelimiterCompleter : IArgumentCompleter
{
/// <summary>
/// Provides argument completion for the Delimiter parameter.
/// </summary>
/// <param name="commandName">The name of the command that is being completed.</param>
/// <param name="parameterName">The name of the parameter that is being completed.</param>
/// <param name="wordToComplete">The input text to filter the results by.</param>
/// <param name="commandAst">The ast of the command that triggered the completion.</param>
/// <param name="fakeBoundParameters">The parameters bound to the command.</param>
/// <returns>Completion results.</returns>
public IEnumerable<CompletionResult> CompleteArgument(string commandName, string parameterName, string wordToComplete, CommandAst commandAst, IDictionary fakeBoundParameters)
{
wordToComplete ??= string.Empty;
var pattern = new WildcardPattern(wordToComplete + '*', WildcardOptions.IgnoreCase);
if (pattern.IsMatch("CRLF") || pattern.IsMatch("Windows"))
{
yield return new CompletionResult("\"`r`n\"", "CRLF", CompletionResultType.ParameterValue, "Windows (CRLF)");
}
if (pattern.IsMatch("LF") || pattern.IsMatch("Unix") || pattern.IsMatch("Linux"))
{
yield return new CompletionResult("\"`n\"", "LF", CompletionResultType.ParameterValue, "UNIX (LF)");
}
}
}
}
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