src/EditorFeatures/Core/QuickInfo/Extensions.cs - main - githubmirror/roslyn

src/EditorFeatures/Core/QuickInfo/Extensions.cs
53 строки2 KB
Cyrus Najmabadi
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25 апр 2025, 01:10
25 апр 2025, 01:1046f9987
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

#nullable disable

using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Text;
using Microsoft.VisualStudio.Text;

namespace Microsoft.CodeAnalysis.Editor.QuickInfo;

internal static class Extensions
{
    /// <summary>
    /// clone content of <paramref name="sourceText"/> to new <see cref="ITextBuffer"/>
    /// with <see cref="ContentTypeNames.RoslynContentType"/>
    /// </summary>
    public static ITextBuffer CreateTextBufferWithRoslynContentType(this SourceText sourceText, Workspace workspace)
    {
        var cloneServices = workspace.Services.SolutionServices.ExportProvider.GetExports<ITextBufferCloneService>();
        foreach (var cloneService in cloneServices)
            return cloneService.Value.CloneWithRoslynContentType(sourceText);

        throw ExceptionUtilities.Unreachable();
    }

    /// <summary>
    /// clone content of <paramref name="sourceText"/> to new <see cref="ITextBuffer"/>
    /// with content type of the document
    /// </summary>
    public static ITextBuffer CloneTextBuffer(this Document document, SourceText sourceText)
    {
        var contentTypeService = document.Project.Services.GetService<IContentTypeLanguageService>();
        var contentType = contentTypeService.GetDefaultContentType();

        var cloneServices = document.Project.Solution.Services.ExportProvider.GetExports<ITextBufferCloneService>();
        foreach (var cloneService in cloneServices)
            return cloneService.Value.Clone(sourceText, contentType);

        throw ExceptionUtilities.Unreachable();
    }

    /// <summary>
    /// async version of <see cref="CloneTextBuffer(Document, SourceText)"/>
    /// </summary>
    public static async Task<ITextBuffer> CloneTextBufferAsync(this Document document, CancellationToken cancellationToken)
    {
        var sourceText = await document.GetValueTextAsync(cancellationToken).ConfigureAwait(false);
        return CloneTextBuffer(document, sourceText);
    }
}