internal static void AppendEpilogue(IHtmlContentBuilder htmlContentBuilder, ServerComponentMarker record)
{
var endRecord = JsonSerializer.Serialize(
record.GetEndRecord(),
ServerComponentSerializationSettings.JsonSerializationOptions);
htmlContentBuilder.AppendHtml("<!--Blazor:");
htmlContentBuilder.AppendHtml(endRecord);
htmlContentBuilder.AppendHtml("-->");
}
/// <remarks>
/// Remember to update <see cref="PreambleBufferSize"/> if the number of entries being appended in this function changes.
/// </remarks>
internal static void AppendPreamble(IHtmlContentBuilder htmlContentBuilder, ServerComponentMarker record)
{
var serializedStartRecord = JsonSerializer.Serialize(
record,
ServerComponentSerializationSettings.JsonSerializationOptions);
htmlContentBuilder.AppendHtml("<!--Blazor:");
htmlContentBuilder.AppendHtml(serializedStartRecord);
htmlContentBuilder.AppendHtml("-->");
}
private (ComponentDescriptor, ServerComponent) DeserializeServerComponent(ServerComponentMarker record)
{
string unprotected;
try
{
unprotected = _dataProtector.Unprotect(record.Descriptor);
}
catch (Exception e)
{
Log.FailedToUnprotectDescriptor(_logger, e);
return(default);
private ServerComponentMarker[] CreateMarkers(params Type[] types)
{
var serializer = new ServerComponentSerializer(_ephemeralDataProtectionProvider);
var markers = new ServerComponentMarker[types.Length];
for (var i = 0; i < types.Length; i++)
{
markers[i] = serializer.SerializeInvocation(_invocationSequence, types[i], ParameterView.Empty, false);
}
return(markers);
}
private (ComponentDescriptor, ServerComponent) DeserializeServerComponent(ServerComponentMarker record)
{
string unprotected;
try
{
var payload = Convert.FromBase64String(record.Descriptor);
var unprotectedBytes = _dataProtector.Unprotect(payload);
unprotected = Encoding.UTF8.GetString(unprotectedBytes);
}
catch (Exception e)
{
Log.FailedToUnprotectDescriptor(_logger, e);
return(default);
internal IEnumerable <string> GetPreamble(ServerComponentMarker record)
{
var serializedStartRecord = JsonSerializer.Serialize(
record,
ServerComponentSerializationSettings.JsonSerializationOptions);
if (record.PrerenderId != null)
{
return(PrerenderedStart(serializedStartRecord));
}
else
{
return(NonPrerenderedSequence(serializedStartRecord));
}
public ServerComponentMarker SerializeInvocation(ServerComponentInvocationSequence invocationId, Type type, ParameterView parameters, bool prerendered)
{
var(sequence, serverComponent) = CreateSerializedServerComponent(invocationId, type, parameters);
return(prerendered ? ServerComponentMarker.Prerendered(sequence, serverComponent) : ServerComponentMarker.NonPrerendered(sequence, serverComponent));
}