public static void Accept(Stream input, Stream output)
{
using (var reader = new BinaryReader(input))
{
var commandStreamWriter = new BinaryWriter(output);
var token = reader.ReadByte();
if (BinaryToken.BeginArray != token)
{
throw new NotSupportedException("Binary frontend only supports arrays as top-level objects");
}
// Read size
reader.ReadUInt32();
while ((token = reader.ReadByte()) != BinaryToken.EndArray)
{
reader.BaseStream.Position -= 1;
var info = GetObjectInfo(reader);
commandStreamWriter.Write(CommandType.GetCreateCommandType(info.TypeId));
commandStreamWriter.Write((uint)info.Size);
// Directly pass the binary object to the output stream no conversion necessary
CopyStream(input, output, info.Size);
}
}
}
public static void Accept(Stream input, Stream output)
{
var jsonStreamReader = new JsonStreamReader(input);
using (var binaryStream = new MemoryStream())
using (var binaryWriter = new BinaryWriter(binaryStream))
{
var commandStreamWriter = new BinaryWriter(output);
var c = jsonStreamReader.ReadChar(); // '['
Assert.IsTrue(c == '[', $"FlatJson.FrontEnd.Accept expected '[' but found '{c}' as the first character of the stream. Line=[1]");
var fileInfo = new JsonObjectFileInfo();
// Read the next full json object from '{' to '}
JsonObjectReader objectReader;
while (jsonStreamReader.TryReadObject(out objectReader, ref fileInfo))
{
objectReader.ReadBeginObject();
// Unpack the typeId
var property = objectReader.ReadPropertyNameSegment();
Assert.IsTrue(property.Array[property.Offset] == '$');
var typeId = (UTinyTypeId)objectReader.ReadUInt16();
objectReader.Position = 0;
commandStreamWriter.Write(CommandType.GetCreateCommandType(typeId));
// Translate the json object to binary
BinaryTranslator.TranslateObject(ref objectReader, binaryWriter);
// Write the command payload as binary
commandStreamWriter.Write((uint)binaryStream.Position);
commandStreamWriter.Write(binaryStream.GetBuffer(), 0, (int)binaryStream.Position);
binaryStream.Position = 0;
c = jsonStreamReader.ReadChar(); // ',' or ']'
if (!(c == ',' || c == ']'))
{
throw new Exception($"FlatJson.FrontEnd.Accept expected ',' or ']' but found '{Escape(c)}' as the next character in the stream. Line=[{objectReader.Line}]");
}
}
}
}
