Value HandleValue()
{
switch (reader.TokenType)
{
case JsonToken.StartObject:
return(ReadObject());
case JsonToken.StartArray:
return(ReadArray());
case JsonToken.Integer:
return(LongV.Of((long)reader.Value));
case JsonToken.Float:
return(DoubleV.Of((double)reader.Value));
case JsonToken.String:
return(StringV.Of((string)reader.Value));
case JsonToken.Boolean:
return(BooleanV.Of((bool)reader.Value));
case JsonToken.Null:
return(NullV.Instance);
default:
return(Unexpected());
}
}
Value EncodeIntern(object obj)
{
var type = obj.GetType();
switch (Type.GetTypeCode(type))
{
case TypeCode.String:
return(StringV.Of((string)obj));
case TypeCode.Boolean:
return(BooleanV.Of((bool)obj));
case TypeCode.DateTime:
return(WrapDateTime((DateTime)obj));
case TypeCode.SByte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
return(LongV.Of(Convert.ToInt64(obj)));
case TypeCode.Char:
case TypeCode.Byte:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
return(LongV.Of(Convert.ToInt64(obj)));
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
return(DoubleV.Of(Convert.ToDouble(obj)));
case TypeCode.DBNull:
case TypeCode.Empty:
return(NullV.Instance);
case TypeCode.Object:
if (typeof(byte[]).IsInstanceOfType(obj))
{
return(new BytesV((byte[])obj));
}
if (typeof(IDictionary).IsInstanceOfType(obj))
{
return(WrapDictionary((IDictionary)obj));
}
if (typeof(IEnumerable).IsInstanceOfType(obj))
{
return(WrapEnumerable((IEnumerable)obj));
}
return(WrapObj(obj));
}
throw new InvalidOperationException($"Unsupported type {type} at `{obj}`");
}
SwitchCase CreateSwitchCase(Enum enumValue)
{
var dstType = enumValue.GetType();
var enumName = Enum.GetName(dstType, enumValue);
var member = dstType.GetMember(enumName)[0];
var faunaEnum = member.GetCustomAttribute <FaunaEnum>();
var body = Expression.Constant(
StringV.Of(faunaEnum != null ? faunaEnum.Alias : enumName),
typeof(Value)
);
return(Expression.SwitchCase(body, Expression.Constant(enumValue)));
}
Value EncodeIntern(object obj, Type forceType)
{
var type = obj.GetType();
if (forceType == typeof(StringV))
{
return(StringV.Of(obj.ToString()));
}
if (dbNullValue.Equals(obj))
{
return(NullV.Instance);
}
if (type.GetTypeInfo().IsEnum)
{
return(WrapEnum(obj, type));
}
switch (Type.GetTypeCode(type))
{
case TypeCode.String:
return(StringV.Of((string)obj));
case TypeCode.Boolean:
return(BooleanV.Of((bool)obj));
case TypeCode.DateTime:
return(Value.FromDateTime((DateTime)obj, forceType));
case TypeCode.SByte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
return(LongV.Of(Convert.ToInt64(obj)));
case TypeCode.Char:
case TypeCode.Byte:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
return(LongV.Of(Convert.ToInt64(obj)));
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
return(DoubleV.Of(Convert.ToDouble(obj)));
#if !(NETSTANDARD1_5)
case TypeCode.DBNull:
return(NullV.Instance);
#endif
case TypeCode.Empty:
return(NullV.Instance);
case TypeCode.Object:
if (typeof(DateTimeOffset).IsInstanceOfType(obj))
{
return(Value.FromDateTimeOffset((DateTimeOffset)obj, forceType));
}
if (typeof(byte[]).IsInstanceOfType(obj))
{
return(new BytesV((byte[])obj));
}
if (typeof(IDictionary).IsInstanceOfType(obj))
{
return(WrapDictionary((IDictionary)obj));
}
if (typeof(IEnumerable).IsInstanceOfType(obj))
{
return(WrapEnumerable((IEnumerable)obj));
}
return(WrapObj(obj));
}
throw new InvalidOperationException($"Unsupported type {type} at `{obj}`");
}
