Function readMapRefAndType

go/fory/map.go:609–638

readMapRefAndType handles reference and type reading for maps. Returns true if a reference was resolved.

(ctx *ReadContext, refMode RefMode, readType bool, value reflect.Value)

// readMapRefAndType handles reference and type reading for maps.
// Returns true if a reference was resolved.
func readMapRefAndType(ctx *ReadContext, refMode RefMode, readType bool, value reflect.Value) bool {
	buf := ctx.Buffer()
	ctxErr := ctx.Err()
	switch refMode {
	case RefModeTracking:
		refID, err := ctx.RefResolver().TryPreserveRefId(buf)
		if err != nil {
			ctx.SetError(FromError(err))
			return false
		}
		if refID < int32(NotNullValueFlag) {
			obj := ctx.RefResolver().GetReadObject(refID)
			if obj.IsValid() {
				value.Set(obj)
			}
			return true
		}
	case RefModeNullOnly:
		flag := buf.ReadInt8(ctxErr)
		if flag == NullFlag {
			return true
		}
	}
	if readType {
		if !ctx.readExpectedTypeID(MAP) {
			return false
		}
	}
	return false
}

func unwrapInterface(v reflect.Value) reflect.Value {
	// For map serialization, we need to unwrap interfaces including nil ones