private void WriteArrayOrObjectEnd(bool isArray)
{
this.JsonObjectState.RegisterToken(isArray ? JsonTokenType.EndArray : JsonTokenType.EndObject);
BeginOffsetAndCount nestedContext = this.bufferedContexts.Pop();
// Do some math
int typeMarkerIndex = (int)nestedContext.Offset;
int payloadIndex = typeMarkerIndex + this.reservationSize;
int originalCursor = (int)this.CurrentLength;
int payloadLength = originalCursor - payloadIndex;
int count = (int)nestedContext.Count;
// Figure out what the typemarker and length should be and do any corrections needed
if (count == 0)
{
// Empty object
// Move the cursor back
this.binaryWriter.BaseStream.Seek(typeMarkerIndex, SeekOrigin.Begin);
// Write the type marker
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.EmptyArray : JsonBinaryEncoding.TypeMarker.EmptyObject);
}
else if (count == 1)
{
// Single-property object
// Move the buffer back 2 or 4 bytes since we don't need to encode a length
byte[] buffer = ((MemoryStream)this.binaryWriter.BaseStream).GetBuffer();
Array.Copy(buffer, payloadIndex, buffer, payloadIndex - (TwoByteLength + (this.serializeCount ? TwoByteCount : 0)), payloadLength);
// Move the cursor back
this.binaryWriter.BaseStream.Seek(typeMarkerIndex, SeekOrigin.Begin);
// Write the type marker
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.SingleItemArray : JsonBinaryEncoding.TypeMarker.SinglePropertyObject);
// Move the cursor forward
this.binaryWriter.BaseStream.Seek(typeMarkerIndex + TypeMarker + payloadLength, SeekOrigin.Begin);
}
else
{
// Need to figure out how many bytes to encode the length and the count
if (payloadLength <= byte.MaxValue)
{
// 1 byte length - move the buffer back
byte[] buffer = ((MemoryStream)this.binaryWriter.BaseStream).GetBuffer();
Array.Copy(buffer, payloadIndex, buffer, payloadIndex - (OneByteLength + (this.serializeCount ? OneByteCount : 0)), payloadLength);
// Move the cursor back
this.binaryWriter.BaseStream.Seek(typeMarkerIndex, SeekOrigin.Begin);
// Write the type marker
if (this.serializeCount)
{
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.Array1ByteLengthAndCount : JsonBinaryEncoding.TypeMarker.Object1ByteLengthAndCount);
this.binaryWriter.Write((byte)payloadLength);
this.binaryWriter.Write((byte)count);
}
else
{
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.Array1ByteLength : JsonBinaryEncoding.TypeMarker.Object1ByteLength);
this.binaryWriter.Write((byte)payloadLength);
}
// Move the cursor forward
this.binaryWriter.BaseStream.Seek(typeMarkerIndex + TypeMarker + OneByteLength + (this.serializeCount ? OneByteCount : 0) + payloadLength, SeekOrigin.Begin);
}
else if (payloadLength <= ushort.MaxValue)
{
// 2 byte length - don't need to move the buffer
// Move the cursor back
this.binaryWriter.BaseStream.Seek(typeMarkerIndex, SeekOrigin.Begin);
// Write the type marker
if (this.serializeCount)
{
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.Array2ByteLengthAndCount : JsonBinaryEncoding.TypeMarker.Object2ByteLengthAndCount);
this.binaryWriter.Write((ushort)payloadLength);
this.binaryWriter.Write((ushort)count);
}
else
{
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.Array2ByteLength : JsonBinaryEncoding.TypeMarker.Object2ByteLength);
this.binaryWriter.Write((ushort)payloadLength);
}
// Move the cursor forward
this.binaryWriter.BaseStream.Seek(typeMarkerIndex + TypeMarker + TwoByteLength + (this.serializeCount ? TwoByteCount : 0) + payloadLength, SeekOrigin.Begin);
}
else
{
// (payloadLength <= uint.MaxValue)
// 4 byte length - make space for an extra 2 byte length (and 2 byte count)
this.binaryWriter.Write((ushort)0);
if (this.serializeCount)
{
this.binaryWriter.Write((ushort)0);
}
// Move the buffer forward
byte[] buffer = ((MemoryStream)this.binaryWriter.BaseStream).GetBuffer();
Array.Copy(buffer, payloadIndex, buffer, payloadIndex + TwoByteLength + (this.serializeCount ? TwoByteCount : 0), payloadLength);
// Move the cursor back
this.binaryWriter.BaseStream.Seek(typeMarkerIndex, SeekOrigin.Begin);
// Write the type marker
if (this.serializeCount)
{
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.Array4ByteLengthAndCount : JsonBinaryEncoding.TypeMarker.Object4ByteLengthAndCount);
this.binaryWriter.Write((uint)payloadLength);
this.binaryWriter.Write((uint)count);
}
else
{
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.Array4ByteLength : JsonBinaryEncoding.TypeMarker.Object4ByteLength);
this.binaryWriter.Write((uint)payloadLength);
}
// Move the cursor forward
this.binaryWriter.BaseStream.Seek(typeMarkerIndex + TypeMarker + FourByteLength + (this.serializeCount ? FourByteCount : 0) + payloadLength, SeekOrigin.Begin);
}
}
this.bufferedContexts.Peek().Count++;
}
private void WriteArrayOrObjectEnd(bool isArray)
{
this.JsonObjectState.RegisterToken(isArray ? JsonTokenType.EndArray : JsonTokenType.EndObject);
BeginOffsetAndCount nestedContext = this.bufferedContexts.Pop();
// Do some math
int typeMarkerIndex = (int)nestedContext.Offset;
int payloadIndex = typeMarkerIndex + this.reservationSize;
int originalCursor = (int)this.CurrentLength;
int payloadLength = originalCursor - payloadIndex;
int count = (int)nestedContext.Count;
// Figure out what the typemarker and length should be and do any corrections needed
if (count == 0)
{
// Empty object
// Move the cursor back
this.binaryWriter.Position = typeMarkerIndex;
// Write the type marker
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.EmptyArray : JsonBinaryEncoding.TypeMarker.EmptyObject);
}
else if (count == 1)
{
// Single-property object
// Move the buffer back but leave one byte for the typemarker
Memory <byte> buffer = this.binaryWriter.Buffer;
buffer.Slice(payloadIndex).CopyTo(buffer.Slice(typeMarkerIndex + JsonBinaryEncoding.TypeMarkerLength));
// Move the cursor back
this.binaryWriter.Position = typeMarkerIndex;
// Write the type marker
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.SingleItemArray : JsonBinaryEncoding.TypeMarker.SinglePropertyObject);
// Move the cursor forward
this.binaryWriter.Position = typeMarkerIndex + JsonBinaryEncoding.TypeMarkerLength + payloadLength;
}
else
{
// Need to figure out how many bytes to encode the length and the count
if (payloadLength <= byte.MaxValue)
{
// 1 byte length - don't need to move the buffer
int bytesToWrite = JsonBinaryEncoding.TypeMarkerLength
+ JsonBinaryEncoding.OneByteLength
+ (this.serializeCount ? JsonBinaryEncoding.OneByteCount : 0);
// Move the cursor back
this.binaryWriter.Position = typeMarkerIndex;
// Write the type marker
if (this.serializeCount)
{
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.Array1ByteLengthAndCount : JsonBinaryEncoding.TypeMarker.Object1ByteLengthAndCount);
this.binaryWriter.Write((byte)payloadLength);
this.binaryWriter.Write((byte)count);
}
else
{
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.Array1ByteLength : JsonBinaryEncoding.TypeMarker.Object1ByteLength);
this.binaryWriter.Write((byte)payloadLength);
}
// Move the cursor forward
this.binaryWriter.Position = typeMarkerIndex + bytesToWrite + payloadLength;
}
else if (payloadLength <= ushort.MaxValue)
{
// 2 byte length - make space for the extra byte length (and extra byte count)
this.binaryWriter.Write((byte)0);
if (this.serializeCount)
{
this.binaryWriter.Write((byte)0);
}
// Move the buffer forward
Memory <byte> buffer = this.binaryWriter.Buffer;
int bytesToWrite = JsonBinaryEncoding.TypeMarkerLength
+ JsonBinaryEncoding.TwoByteLength
+ (this.serializeCount ? JsonBinaryEncoding.TwoByteCount : 0);
Memory <byte> payload = buffer.Slice(payloadIndex, payloadLength);
Memory <byte> newPayloadStart = buffer.Slice(typeMarkerIndex + bytesToWrite);
payload.CopyTo(newPayloadStart);
// Move the cursor back
this.binaryWriter.Position = typeMarkerIndex;
// Write the type marker
if (this.serializeCount)
{
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.Array2ByteLengthAndCount : JsonBinaryEncoding.TypeMarker.Object2ByteLengthAndCount);
this.binaryWriter.Write((ushort)payloadLength);
this.binaryWriter.Write((ushort)count);
}
else
{
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.Array2ByteLength : JsonBinaryEncoding.TypeMarker.Object2ByteLength);
this.binaryWriter.Write((ushort)payloadLength);
}
// Move the cursor forward
this.binaryWriter.Position = typeMarkerIndex + bytesToWrite + payloadLength;
}
else
{
// (payloadLength <= uint.MaxValue)
// 4 byte length - make space for an extra 2 byte length (and 2 byte count)
this.binaryWriter.Write((ushort)0);
if (this.serializeCount)
{
this.binaryWriter.Write((ushort)0);
}
// Move the buffer forward
Memory <byte> buffer = this.binaryWriter.Buffer;
int bytesToWrite = JsonBinaryEncoding.TypeMarkerLength
+ JsonBinaryEncoding.FourByteLength
+ (this.serializeCount ? JsonBinaryEncoding.FourByteCount : 0);
Memory <byte> payload = buffer.Slice(payloadIndex, payloadLength);
Memory <byte> newPayloadStart = buffer.Slice(typeMarkerIndex + bytesToWrite);
payload.CopyTo(newPayloadStart);
// Move the cursor back
this.binaryWriter.Position = typeMarkerIndex;
// Write the type marker
if (this.serializeCount)
{
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.Array4ByteLengthAndCount : JsonBinaryEncoding.TypeMarker.Object4ByteLengthAndCount);
this.binaryWriter.Write((uint)payloadLength);
this.binaryWriter.Write((uint)count);
}
else
{
this.binaryWriter.Write(
isArray ? JsonBinaryEncoding.TypeMarker.Array4ByteLength : JsonBinaryEncoding.TypeMarker.Object4ByteLength);
this.binaryWriter.Write((uint)payloadLength);
}
// Move the cursor forward
this.binaryWriter.Position = typeMarkerIndex + bytesToWrite + payloadLength;
}
}
this.bufferedContexts.Peek().Count++;
}
