/// <summary>
/// Emits MetaHandle that contains type handle for reference handle only when this referenced is added to pool for the first time.
/// Emits inlined string for strings and inlined value types for boxed objects.
/// Emits additional array dimensions info for array refernces who's types are emitted for the first time
/// </summary>
public MetaHandle GetHandle(object reference, TypeRegistry treg, SlimFormat format, out Type type)
{
Debug.Assert(m_Mode == SerializationOperation.Serializing, "GetHandle() called while deserializing", DebugAction.Throw);
if (reference == null)
{
type = null;
return(new MetaHandle(0));
}
type = reference.GetType();
if (type == typeof(string))
{
return(MetaHandle.InlineString(reference as string));
}
if (reference is Type)
{
var thandle = treg.GetTypeHandle(reference as Type);
return(MetaHandle.InlineTypeValue(thandle));
}
if (type.IsValueType)
{
var vth = treg.GetTypeHandle(type);
return(MetaHandle.InlineValueType(vth));
}
bool added;
uint handle = (uint)getIndex(reference, out added);
if (added)
{
var th = treg.GetTypeHandle(type);
if (format.IsRefTypeSupported(type))//20150305 Refhandle inline
{
return(MetaHandle.InlineRefType(th));
}
if (type.IsArray)//write array header like so: "System.int[,]|0~10,0~12" or "$3|0~10,0~12"
{
//DKh 20130712 Removed repetitive code that was refactored into Arrays class
var arr = (Array)reference;
th = new VarIntStr(Arrays.ArrayToDescriptor(arr, type, th));
}
return(new MetaHandle(handle, th));
}
return(new MetaHandle(handle));
}
private void serializeInfo(SlimWriter writer, TypeRegistry registry, RefPool refs, SerializationInfo info, StreamingContext streamingContext)
{
writer.Write(registry.GetTypeHandle(info.ObjectType));//20171223 DKh
writer.Write(info.MemberCount);
var senum = info.GetEnumerator();
while (senum.MoveNext())
{
writer.Write(senum.Name);
writer.Write(registry.GetTypeHandle(senum.ObjectType));
Schema.Serialize(writer, registry, refs, senum.Value, streamingContext);
}
}
public void Serialize(SlimWriter writer, TypeRegistry registry, RefPool refs, object instance, StreamingContext streamingContext, Type valueType = null)
{
Type type = valueType;
VarIntStr typeHandle = new VarIntStr(0);
if (type == null)
{
if (instance == null)
{
writer.Write(TypeRegistry.NULL_HANDLE);//object type null
return;
}
type = instance.GetType();
//Write type name. Full or compressed. Full Type names are assembly-qualified strings, compressed are string in form of
// $<name_table_index> i.e. $1 <--- get string[1]
typeHandle = registry.GetTypeHandle(type);
writer.Write(typeHandle);
}
//we get here if we have a boxed value of directly-handled type
var wa = Format.GetWriteActionForType(type) ?? Format.GetWriteActionForRefType(type);//20150503 DKh fixed root byte[] slow
if (wa != null)
{
wa(writer, instance);
return;
}
TypeDescriptor td = getTypeDescriptorCachedOrMake(type);
if (td.IsArray) //need to write array dimensions
{
writer.Write(Arrays.ArrayToDescriptor((Array)instance, type, typeHandle));
}
td.SerializeInstance(writer, registry, refs, instance, streamingContext);
}