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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.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Immutable;
using System.Composition;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.CodeAnalysis.LanguageServer.Handler;
using Microsoft.CommonLanguageServerProtocol.Framework;
using Roslyn.LanguageServer.Protocol;
using Microsoft.VisualStudio.LanguageServices.Xaml.Features.Diagnostics;
using Microsoft.VisualStudio.LanguageServices.Xaml.LanguageServer;
namespace Microsoft.VisualStudio.LanguageServices.Xaml.Implementation.LanguageServer.Handler.Diagnostics
{
[ExportStatelessXamlLspService(typeof(DocumentPullDiagnosticHandler)), Shared]
[Method(VSInternalMethods.DocumentPullDiagnosticName)]
internal class DocumentPullDiagnosticHandler : AbstractPullDiagnosticHandler<VSInternalDocumentDiagnosticsParams, VSInternalDiagnosticReport>, ITextDocumentIdentifierHandler<VSInternalDocumentDiagnosticsParams, TextDocumentIdentifier?>
{
[ImportingConstructor]
[Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
public DocumentPullDiagnosticHandler(
IXamlPullDiagnosticService xamlPullDiagnosticService)
: base(xamlPullDiagnosticService)
{ }
public TextDocumentIdentifier? GetTextDocumentIdentifier(VSInternalDocumentDiagnosticsParams request)
=> request.TextDocument;
protected override VSInternalDiagnosticReport CreateReport(TextDocumentIdentifier? identifier, VSDiagnostic[]? diagnostics, string? resultId)
=> new VSInternalDiagnosticReport { Diagnostics = diagnostics, ResultId = resultId };
protected override ImmutableArray<Document> GetDocuments(RequestContext context)
{
// For the single document case, that is the only doc we want to process.
//
// Note: context.Document may be null in the case where the client is asking about a document that we have
// since removed from the workspace. In this case, we don't really have anything to process.
// GetPreviousResults will be used to properly realize this and notify the client that the doc is gone.
return context.Document == null ? ImmutableArray<Document>.Empty : [context.Document];
}
protected override VSInternalDiagnosticParams[]? GetPreviousResults(VSInternalDocumentDiagnosticsParams diagnosticsParams)
=> new[] { diagnosticsParams };
protected override IProgress<VSInternalDiagnosticReport[]>? GetProgress(VSInternalDocumentDiagnosticsParams diagnosticsParams)
=> diagnosticsParams.PartialResultToken;
}
}
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