public static IDictionary <int, List <AbstractStruct> > ReadClientStructRefs(IUpdateDecoder decoder, YDoc doc)
{
var clientRefs = new Dictionary <int, List <AbstractStruct> >();
var numOfStateUpdates = decoder.Reader.ReadVarUint();
for (int i = 0; i < numOfStateUpdates; i++)
{
var numberOfStructs = (int)decoder.Reader.ReadVarUint();
Debug.Assert(numberOfStructs >= 0);
var refs = new List <AbstractStruct>(numberOfStructs);
var client = decoder.ReadClient();
var clock = (int)decoder.Reader.ReadVarUint();
clientRefs[client] = refs;
for (int j = 0; j < numberOfStructs; j++)
{
var info = decoder.ReadInfo();
if ((Bits.Bits5 & info) != 0)
{
// The item that was originally to the left of this item.
var leftOrigin = (info & Bit.Bit8) == Bit.Bit8 ? (ID?)decoder.ReadLeftId() : null;
// The item that was originally to the right of this item.
var rightOrigin = (info & Bit.Bit7) == Bit.Bit7 ? (ID?)decoder.ReadRightId() : null;
var cantCopyParentInfo = (info & (Bit.Bit7 | Bit.Bit8)) == 0;
var hasParentYKey = cantCopyParentInfo ? decoder.ReadParentInfo() : false;
// If parent == null and neither left nor right are defined, then we know that 'parent' is child of 'y'
// and we read the next string as parentYKey.
// It indicates how we store/retrieve parent from 'y.share'.
var parentYKey = cantCopyParentInfo && hasParentYKey?decoder.ReadString() : null;
var str = new Item(
new ID(client, clock),
null, // left
leftOrigin,
null, // right
rightOrigin, // rightOrigin
cantCopyParentInfo && !hasParentYKey ? decoder.ReadLeftId() : (parentYKey != null ? (object)doc.Get <AbstractType>(parentYKey) : null), // parent
cantCopyParentInfo && (info & Bit.Bit6) == Bit.Bit6 ? decoder.ReadString() : null, // parentSub
ReadItemContent(decoder, info) // content
);
refs.Add(str);
clock += str.Length;
}
else
{
var length = decoder.ReadLength();
refs.Add(new GC(new ID(client, clock), length));
clock += length;
}
}
}
return(clientRefs);
}
internal static ContentDoc Read(IUpdateDecoder decoder)
{
var guidStr = decoder.ReadString();
var opts = YDocOptions.Read(decoder);
opts.Guid = guidStr;
return(new ContentDoc(new YDoc(opts)));
}
internal static ContentJson Read(IUpdateDecoder decoder)
{
var len = decoder.ReadLength();
var content = new List <object>(len);
for (int i = 0; i < len; i++)
{
var jsonStr = decoder.ReadString();
object jsonObj = string.Equals(jsonStr, "undefined")
? null
: Newtonsoft.Json.JsonConvert.DeserializeObject(jsonStr);
content.Add(jsonObj);
}
return(new ContentJson(content));
}
internal static ContentString Read(IUpdateDecoder decoder)
{
return(new ContentString(decoder.ReadString()));
}