private SourceText DeserializeSourceText(ObjectReader reader, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
// REVIEW: why IDE services doesnt care about checksumAlgorithm?
var checksumAlgorithm = (SourceHashAlgorithm)reader.ReadInt32();
var encoding = ReadEncodingFrom(reader, cancellationToken);
var kind = (SerializationKinds)reader.ReadInt32();
if (kind == SerializationKinds.MemoryMapFile)
{
var storage2 = (ITemporaryStorageService2)_storageService;
var name = reader.ReadString();
var offset = reader.ReadInt64();
var size = reader.ReadInt64();
var storage = storage2.AttachTemporaryTextStorage(name, offset, size, encoding, cancellationToken);
return(storage.ReadText(cancellationToken));
}
Contract.ThrowIfFalse(kind == SerializationKinds.Bits);
return(SourceTextExtensions.ReadFrom(_textService, reader, encoding, cancellationToken));
}
public void TestSourceTextSerialization()
{
var textService = new TextFactoryService();
var maxSize = SourceTextExtensions.SourceTextLengthThreshold * 3;
var sb = new StringBuilder(0, maxSize);
for (var i = 0; i < maxSize; i++)
{
var originalText = CreateSourceText(sb, i);
using (var stream = SerializableBytes.CreateWritableStream())
using (var writer = new ObjectWriter(stream))
{
originalText.WriteTo(writer, CancellationToken.None);
stream.Position = 0;
using (var reader = ObjectReader.TryGetReader(stream))
{
var recovered = SourceTextExtensions.ReadFrom(textService, reader, originalText.Encoding, CancellationToken.None);
Assert.Equal(originalText.ToString(), recovered.ToString());
}
}
}
}
private SerializableSourceText DeserializeSerializableSourceText(ObjectReader reader, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var checksumAlgorithm = (SourceHashAlgorithm)reader.ReadInt32();
var encoding = (Encoding)reader.ReadValue();
var kind = (SerializationKinds)reader.ReadInt32();
if (kind == SerializationKinds.MemoryMapFile)
{
var storage2 = (ITemporaryStorageService2)_storageService;
var name = reader.ReadString();
var offset = reader.ReadInt64();
var size = reader.ReadInt64();
var storage = storage2.AttachTemporaryTextStorage(name, offset, size, checksumAlgorithm, encoding, cancellationToken);
if (storage is ITemporaryTextStorageWithName storageWithName)
{
return(new SerializableSourceText(storageWithName));
}
else
{
return(new SerializableSourceText(storage.ReadText(cancellationToken)));
}
}
Contract.ThrowIfFalse(kind == SerializationKinds.Bits);
return(new SerializableSourceText(SourceTextExtensions.ReadFrom(_textService, reader, encoding, cancellationToken)));
}