public override async Task <InterceptionResult> ApplyChangesAsync(JToken token, string containedLanguageName, CancellationToken cancellationToken)
{
if (token is null)
{
throw new ArgumentNullException(nameof(token));
}
cancellationToken.ThrowIfCancellationRequested();
// The diagnostics interceptor isn't a part of the HTMLCSharpLanguageServer stack as it's lifecycle is a bit different.
// It initializes before the actual language server, as we export it to be used directly with WTE.
// Consequently, if we don't initialize the logger here, then the logger will be unavailable for logging.
await InitializeLogHubLoggerAsync(cancellationToken).ConfigureAwait(false);
var diagnosticParams = token.ToObject <PublishDiagnosticParams>();
if (diagnosticParams?.Uri is null)
{
var exception = new ArgumentException("Conversion of token failed.");
_logger?.LogError(exception, $"Not a {nameof(PublishDiagnosticParams)}");
throw exception;
}
// We only support interception of Virtual HTML Files
if (!RazorLSPConventions.IsVirtualHtmlFile(diagnosticParams.Uri))
{
return(CreateDefaultResponse(token));
}
_logger?.LogInformation($"Received HTML Publish diagnostic request for {diagnosticParams.Uri} with {diagnosticParams.Diagnostics.Length} diagnostics.");
var htmlDocumentUri = diagnosticParams.Uri;
var razorDocumentUri = RazorLSPConventions.GetRazorDocumentUri(htmlDocumentUri);
// Note; this is an `interceptor` & not a handler, hence
// it's possible another interceptor mutates this request
// later in the toolchain. Such an interceptor would likely
// expect a `__virtual.html` suffix instead of `.razor`.
diagnosticParams.Uri = razorDocumentUri;
if (!_documentManager.TryGetDocument(razorDocumentUri, out var razorDocumentSnapshot))
{
_logger?.LogInformation($"Failed to find document {razorDocumentUri}.");
return(CreateEmptyDiagnosticsResponse(diagnosticParams));
}
if (!razorDocumentSnapshot.TryGetVirtualDocument <HtmlVirtualDocumentSnapshot>(out var htmlDocumentSnapshot) ||
!htmlDocumentSnapshot.Uri.Equals(htmlDocumentUri))
{
_logger?.LogInformation($"Failed to find virtual HTML document {htmlDocumentUri}.");
return(CreateEmptyDiagnosticsResponse(diagnosticParams));
}
// Return early if there aren't any diagnostics to process
if (diagnosticParams.Diagnostics?.Any() != true)
{
_logger?.LogInformation("No diagnostics to process.");
return(CreateResponse(diagnosticParams));
}
var processedDiagnostics = await _diagnosticsProvider.TranslateAsync(
RazorLanguageKind.Html,
razorDocumentUri,
diagnosticParams.Diagnostics,
cancellationToken
).ConfigureAwait(false);
if (processedDiagnostics is null)
{
_logger?.LogWarning($"Failed to semnd request to diagnostic translation server for {htmlDocumentUri}.");
return(CreateEmptyDiagnosticsResponse(diagnosticParams));
}
// Note it's possible the document version changed between when the diagnostics were created
// and when we finished remapping the diagnostics. This could result in lingering / misaligned diagnostics.
// We're choosing to do this over clearing out the diagnostics as that would lead to flickering.
//
// This'll need to be revisited based on preferences with flickering vs lingering.
_logger?.LogInformation($"Returning {processedDiagnostics.Diagnostics.Length} diagnostics.");
diagnosticParams.Diagnostics = processedDiagnostics.Diagnostics;
return(CreateResponse(diagnosticParams));
public override async Task <InterceptionResult> ApplyChangesAsync(JToken token, string containedLanguageName, CancellationToken cancellationToken)
{
if (token is null)
{
throw new ArgumentNullException(nameof(token));
}
cancellationToken.ThrowIfCancellationRequested();
var diagnosticParams = token.ToObject <VSPublishDiagnosticParams>();
if (diagnosticParams is null)
{
throw new ArgumentException("Conversion of token failed.");
}
// We only support interception of Virtual HTML Files
if (!RazorLSPConventions.IsVirtualHtmlFile(diagnosticParams.Uri))
{
return(CreateDefaultResponse(token));
}
var htmlDocumentUri = diagnosticParams.Uri;
var razorDocumentUri = RazorLSPConventions.GetRazorDocumentUri(htmlDocumentUri);
// Note; this is an `interceptor` & not a handler, hence
// it's possible another interceptor mutates this request
// later in the toolchain. Such an interceptor would likely
// expect a `__virtual.html` suffix instead of `.razor`.
diagnosticParams.Uri = razorDocumentUri;
if (!_documentManager.TryGetDocument(razorDocumentUri, out var razorDocumentSnapshot))
{
return(CreateEmptyDiagnosticsResponse(diagnosticParams));
}
if (!razorDocumentSnapshot.TryGetVirtualDocument <HtmlVirtualDocumentSnapshot>(out var htmlDocumentSnapshot) ||
!htmlDocumentSnapshot.Uri.Equals(htmlDocumentUri))
{
return(CreateEmptyDiagnosticsResponse(diagnosticParams));
}
// Return early if there aren't any diagnostics to process
if (diagnosticParams.Diagnostics?.Any() != true)
{
return(CreateResponse(diagnosticParams));
}
var processedDiagnostics = await _diagnosticsProvider.TranslateAsync(
RazorLanguageKind.Html,
razorDocumentUri,
diagnosticParams.Diagnostics,
cancellationToken
).ConfigureAwait(false);
// Note it's possible the document version changed between when the diagnostics were created
// and when we finished remapping the diagnostics. This could result in lingering / misaligned diagnostics.
// We're choosing to do this over clearing out the diagnostics as that would lead to flickering.
//
// This'll need to be revisited based on preferences with flickering vs lingering.
diagnosticParams.Diagnostics = processedDiagnostics.Diagnostics;
return(CreateResponse(diagnosticParams));