public async Task <bool> SerializeAsync(IPersistentStorageService persistentService, Project project, TextDocument?textDocument, string key, ImmutableArray <DiagnosticData> items, CancellationToken cancellationToken)
{
Contract.ThrowIfFalse(textDocument == null || textDocument.Project == project);
using var stream = SerializableBytes.CreateWritableStream();
using (var writer = new ObjectWriter(stream, leaveOpen: true, cancellationToken))
{
WriteDiagnosticData(writer, items, cancellationToken);
}
var storage = await persistentService.GetStorageAsync(project.Solution, cancellationToken).ConfigureAwait(false);
await using var _ = storage.ConfigureAwait(false);
stream.Position = 0;
var writeTask = (textDocument != null) ?
textDocument is Document document?
storage.WriteStreamAsync(document, key, stream, cancellationToken) :
storage.WriteStreamAsync(GetSerializationKeyForNonSourceDocument(textDocument, key), stream, cancellationToken) :
storage.WriteStreamAsync(project, key, stream, cancellationToken);
return(await writeTask.ConfigureAwait(false));
}
public async ValueTask <ImmutableArray <DiagnosticData> > DeserializeAsync(
IPersistentStorageService persistentService,
Project project,
TextDocument?textDocument,
string key,
CancellationToken cancellationToken
)
{
Contract.ThrowIfFalse(textDocument == null || textDocument.Project == project);
var storage = await persistentService
.GetStorageAsync(project.Solution, cancellationToken)
.ConfigureAwait(false);
await using var _ = storage.ConfigureAwait(false);
var readTask =
(textDocument != null)
? textDocument is Document document
? storage.ReadStreamAsync(document, key, cancellationToken)
: storage.ReadStreamAsync(
GetSerializationKeyForNonSourceDocument(textDocument, key),
cancellationToken
)
: storage.ReadStreamAsync(project, key, cancellationToken);
using var stream = await readTask.ConfigureAwait(false);
using var reader = ObjectReader.TryGetReader(
stream,
cancellationToken: cancellationToken
);
if (
reader == null ||
!TryReadDiagnosticData(
reader,
project,
textDocument,
cancellationToken,
out var data
)
)
{
return(default);