/// <summary>
/// Serializes an object to a binary destination.
/// </summary>
/// <param name="Writer">Serializer.</param>
/// <param name="WriteTypeCode">If a type code is to be output.</param>
/// <param name="Embedded">If the object is embedded into another.</param>
/// <param name="Value">The actual object to serialize.</param>
public override async Task Serialize(ISerializer Writer, bool WriteTypeCode, bool Embedded, object Value)
{
if (Value is null)
{
if (!WriteTypeCode)
{
throw new NullReferenceException("Value cannot be null.");
}
Writer.WriteBits(ObjectSerializer.TYPE_NULL, 6);
}
else
{
T[] Array = (T[])Value;
Type LastType = typeof(T);
IObjectSerializer S = await this.context.GetObjectSerializer(LastType);
Type ItemType;
bool Nullable;
Writer.WriteBits(ObjectSerializer.TYPE_ARRAY, 6);
Writer.WriteVariableLengthUInt64((ulong)Array.Length);
if (Nullable = S.IsNullable)
{
Writer.WriteBits(ObjectSerializer.TYPE_NULL, 6);
}
else
{
Writer.WriteBits(ObjectSerializer.GetFieldDataTypeCode(LastType), 6);
}
foreach (T Item in Array)
{
if (Item == null)
{
if (Nullable)
{
Writer.WriteBits(ObjectSerializer.TYPE_NULL, 6);
}
else
{
throw new Exception("Elements cannot be null.");
}
}
else
{
ItemType = Item.GetType();
if (ItemType != LastType)
{
S = await this.context.GetObjectSerializer(ItemType);
LastType = ItemType;
}
await S.Serialize(Writer, Nullable, true, Item);
}
}
}
}
internal static string ToString(object Value)
{
if (Value is null)
{
return(string.Empty);
}
else
{
return(ToString(Value, ObjectSerializer.GetFieldDataTypeCode(Value.GetType())));
}
}
/// <summary>
/// Tries to make sure <paramref name="x"/> and <paramref name="y"/> have the same type.
/// </summary>
/// <param name="x">First value.</param>
/// <param name="y">Second value.</param>
/// <returns>If <paramref name="x"/> and <paramref name="y"/> are of the same type after the call.</returns>
public static bool TryMakeSameType(ref object x, ref object y)
{
Type xType = x.GetType();
Type yType = y.GetType();
if (xType == yType)
{
return(true);
}
uint xTypeCode = ObjectSerializer.GetFieldDataTypeCode(xType);
uint yTypeCode = ObjectSerializer.GetFieldDataTypeCode(yType);
Upgrade(ref x, ref xTypeCode);
Upgrade(ref y, ref yTypeCode);
if (xTypeCode == yTypeCode)
{
return(true);
}
if (xTypeCode == ObjectSerializer.TYPE_CI_STRING)
{
y = new CaseInsensitiveString(ToString(y, yTypeCode));
return(true);
}
else if (yTypeCode == ObjectSerializer.TYPE_CI_STRING)
{
x = new CaseInsensitiveString(ToString(x, xTypeCode));
return(true);
}
else if (yTypeCode == ObjectSerializer.TYPE_STRING)
{
x = ToString(x, xTypeCode);
return(true);
}
switch (xTypeCode)
{
case ObjectSerializer.TYPE_DECIMAL:
if (yTypeCode == ObjectSerializer.TYPE_DOUBLE)
{
y = (decimal)((double)y);
return(true);
}
else
{
return(false);
}
case ObjectSerializer.TYPE_DOUBLE:
if (yTypeCode == ObjectSerializer.TYPE_DECIMAL)
{
x = (decimal)((double)x);
return(true);
}
else
{
return(false);
}
case ObjectSerializer.TYPE_STRING:
y = ToString(y, yTypeCode);
return(true);
default:
return(false);
}
}
/// <summary>
/// Class member.
/// </summary>
/// <param name="Name">Member name.</param>
/// <param name="FieldCode">Field Code.</param>
/// <param name="MemberType">Member type.</param>
public Member(string Name, ulong FieldCode, Type MemberType)
{
this.name = Name;
this.fieldCode = FieldCode;
this.memberType = MemberType;
this.memberTypeInfo = MemberType.GetTypeInfo();
if (this.memberTypeInfo.IsGenericType)
{
Type GT = this.memberType.GetGenericTypeDefinition();
if (GT == typeof(Nullable <>))
{
this.nullable = true;
this.memberType = this.memberType.GenericTypeArguments[0];
this.memberTypeInfo = this.memberType.GetTypeInfo();
}
}
this.memberFieldDataTypeCode = ObjectSerializer.GetFieldDataTypeCode(this.memberType);
this.isNestedObject = this.memberFieldDataTypeCode == ObjectSerializer.TYPE_OBJECT;
switch (this.memberFieldDataTypeCode)
{
case ObjectSerializer.TYPE_BOOLEAN:
this.memberTypeCode = TypeCode.Boolean;
break;
case ObjectSerializer.TYPE_BYTE:
this.memberTypeCode = TypeCode.Byte;
break;
case ObjectSerializer.TYPE_INT16:
this.memberTypeCode = TypeCode.Int16;
break;
case ObjectSerializer.TYPE_INT32:
this.memberTypeCode = TypeCode.Int32;
if (this.memberTypeInfo.IsEnum)
{
this.isEnum = true;
this.hasFlags = true;
}
break;
case ObjectSerializer.TYPE_INT64:
this.memberTypeCode = TypeCode.Int64;
break;
case ObjectSerializer.TYPE_SBYTE:
this.memberTypeCode = TypeCode.SByte;
break;
case ObjectSerializer.TYPE_UINT16:
this.memberTypeCode = TypeCode.UInt16;
break;
case ObjectSerializer.TYPE_UINT32:
this.memberTypeCode = TypeCode.UInt32;
break;
case ObjectSerializer.TYPE_UINT64:
this.memberTypeCode = TypeCode.UInt64;
break;
case ObjectSerializer.TYPE_DECIMAL:
this.memberTypeCode = TypeCode.Decimal;
break;
case ObjectSerializer.TYPE_DOUBLE:
this.memberTypeCode = TypeCode.Double;
break;
case ObjectSerializer.TYPE_SINGLE:
this.memberTypeCode = TypeCode.Single;
break;
case ObjectSerializer.TYPE_DATETIME:
this.memberTypeCode = TypeCode.DateTime;
break;
case ObjectSerializer.TYPE_CHAR:
this.memberTypeCode = TypeCode.Char;
break;
case ObjectSerializer.TYPE_STRING:
this.memberTypeCode = TypeCode.String;
break;
case ObjectSerializer.TYPE_MIN:
case ObjectSerializer.TYPE_MAX:
case ObjectSerializer.TYPE_NULL:
this.memberTypeCode = TypeCode.Empty;
break;
case ObjectSerializer.TYPE_ENUM:
this.memberTypeCode = TypeCode.Object;
this.isEnum = true;
this.hasFlags = this.memberTypeInfo.IsDefined(typeof(FlagsAttribute), false);
break;
case ObjectSerializer.TYPE_OBJECT:
case ObjectSerializer.TYPE_TIMESPAN:
case ObjectSerializer.TYPE_BYTEARRAY:
case ObjectSerializer.TYPE_GUID:
case ObjectSerializer.TYPE_ARRAY:
case ObjectSerializer.TYPE_DATETIMEOFFSET:
case ObjectSerializer.TYPE_CI_STRING:
default:
this.memberTypeCode = TypeCode.Object;
break;
}
}
