/// <inheritdoc/>
public override object ConvertTo(Type type)
{
if (_value == null)
{
return(null);
}
var valueType = _value.GetType();
if (type.IsAssignableFrom(valueType))
{
return(_value);
}
try {
#if MessagePack2
var mem = new ArrayBufferWriter <byte>();
MsgPack.Serialize(mem, _value, _options);
var buffer = buffer.WrittenMemory;
#else
var buffer = MsgPack.Serialize(
_value?.GetType() ?? typeof(object), _value, _options);
#endif
// Special case - convert byte array to buffer if not bin to begin.
if (type == typeof(byte[]) && valueType.IsArray)
{
return(((IList <byte>)MsgPack.Deserialize(typeof(IList <byte>),
buffer, _options)).ToArray());
}
return(MsgPack.Deserialize(type, buffer, _options));
}
catch (MessagePackSerializationException ex) {
throw new SerializerException(ex.Message, ex);
}
}
/// <inheritdoc/>
public int Serialize(ref byte[] bytes, int offset, T value,
MessagePackSerializerOptions options)
{
if (value is MessagePackVariantValue packed)
{
return(MsgPack.Serialize(packed._value?.GetType() ?? typeof(object),
ref bytes, offset, packed._value, options));
}
else if (value is null)
{
return(MsgPackWriter.WriteNil(ref bytes, offset));
}
else if (value is VariantValue variant)
{
if (VariantValueEx.IsNull(variant))
{
return(MsgPackWriter.WriteNil(ref bytes, offset));
}
else if (variant.IsListOfValues)
{
var written = MsgPackWriter.WriteArrayHeader(
ref bytes, offset, variant.Count);
foreach (var item in variant.Values)
{
written += MsgPack.Serialize(item?.GetType() ?? typeof(object),
ref bytes, offset + written, item, options);
}
return(written);
}
else if (variant.IsObject)
{
// Serialize objects as key value pairs
var dict = variant.PropertyNames
.ToDictionary(k => k, k => variant[k]);
return(MsgPack.Serialize(dict.GetType(), ref bytes,
offset, dict, options));
}
else if (variant.TryGetValue(out var primitive))
{
return(MsgPack.Serialize(primitive?.GetType() ?? typeof(object),
ref bytes, offset, primitive, options));
}
else
{
return(MsgPack.Serialize(variant.Value?.GetType() ?? typeof(object),
ref bytes, offset, variant.Value, options));
}
}
else
{
return(offset);
}
}
/// <inheritdoc/>
public void Serialize(IBufferWriter <byte> buffer, object o, SerializeOption format)
{
try {
#if MessagePack2
MsgPack.Serialize(buffer, o, Options);
#else
var b = MsgPack.Serialize(o?.GetType() ?? typeof(object), o, Options);
buffer.Write(b);
#endif
}
catch (MessagePackSerializationException ex) {
throw new SerializerException(ex.Message, ex);
}
}
/// <inheritdoc/>
public void Serialize(ref MessagePackWriter writer, T value,
MessagePackSerializerOptions options)
{
if (value is MessagePackVariantValue packed)
{
MsgPack.Serialize(ref writer, packed._value, options);
}
else if (value is null)
{
writer.WriteNil();
}
else if (value is VariantValue variant)
{
if (variant.IsNull())
{
writer.WriteNil();
}
else if (variant.IsListOfValues)
{
writer.WriteArrayHeader(variant.Count);
foreach (var item in variant.Values)
{
MsgPack.Serialize(ref writer, item, options);
}
}
else if (variant.IsObject)
{
// Serialize objects as key value pairs
var dict = variant.PropertyNames
.ToDictionary(k => k, k => variant[k]);
MsgPack.Serialize(ref writer, dict, options);
}
else if (variant.TryGetValue(out var primitive))
{
MsgPack.Serialize(ref writer, primitive, options);
}
else
{
MsgPack.Serialize(ref writer, variant.Value, options);
}
}
}
/// <summary>
/// Convert to typeless object
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
internal object ToTypeLess(object value)
{
if (value == null)
{
return(null);
}
try {
#if MessagePack2
var mem = new ArrayBufferWriter <byte>();
MsgPack.Serialize(mem, value, _options);
var buffer = mem.WrittenMemory;
#else
var buffer = MsgPack.Serialize(
value?.GetType() ?? typeof(object), value, _options);
#endif
return(MsgPack.Deserialize(typeof(object), buffer, _options));
}
catch (MessagePackSerializationException ex) {
throw new SerializerException(ex.Message, ex);
}
}