internal Node(Nid nid, ulong dataBid, ulong subnodeBid, IPstReader reader)
{
Nid = nid;
DataBid = dataBid;
SubnodeBid = subnodeBid;
_reader = reader;
}
internal Node FindSubnode(Nid nid)
{
var block = _reader.FindBlock(_bid);
var level = block.Data[1];
if (level > 0)
{
var siEntry = FindIntermediateEntry(block, nid);
if (siEntry == null)
{
return(null);
}
block = _reader.FindBlock(siEntry.Bid);
}
var slEntry = FindLeafEntry(block, nid);
if (slEntry == null)
{
return(null);
}
return(new Node(nid, slEntry.DataBid, slEntry.SubnodeBid, _reader));
}
internal Node FindSubnode(Nid subnodeNid)
{
if (SubnodeBid == 0)
throw new Exception("No subnode block found for this node.");
var subnode = new SubnodeReader(SubnodeBid, _reader);
return subnode.FindSubnode(subnodeNid);
}
public Node FindNode(Nid nid)
{
var entry = _nbtReader.Find(nid);
if (entry == null)
return null;
return new Node(entry.Nid, entry.DataBid, entry.SubnodeBid, this);
}
internal Node FindSubnode(Nid subnodeNid)
{
if (SubnodeBid == 0)
{
throw new Exception("No subnode block found for this node.");
}
return(_subnodeReader.FindSubnode(subnodeNid));
}
internal Node(Nid nid, Bid dataBid, Bid subnodeBid, IPstReader reader)
{
Nid = nid;
DataBid = dataBid;
SubnodeBid = subnodeBid;
_reader = reader;
if (SubnodeBid != 0)
{
_subnodeReader = new SubnodeReader(SubnodeBid, reader);
}
}
private SiEntry FindIntermediateEntry(Block block, Nid nid)
{
var numEntries = BitConverter.ToUInt16(block.Data, 2);
for (int i = 0; i < numEntries; i++)
{
var entryNid = BitConverter.ToUInt32(block.Data, 8 + i * 16);
if (entryNid > nid)
{
return new SiEntry
{
Nid = BitConverter.ToUInt32(block.Data, 8 + (i - 1) * 16),
Bid = BitConverter.ToUInt64(block.Data, 16 + (i - 1) * 16)
};
}
}
return null;
}
private SiEntry FindIntermediateEntry(Block block, Nid nid)
{
var numEntries = BitConverter.ToUInt16(block.Data, 2);
for (var i = 0; i < numEntries; i++)
{
var entryNid = BitConverter.ToUInt32(block.Data, 8 + i * 16);
if (entryNid > nid)
{
return(new SiEntry
{
Nid = BitConverter.ToUInt32(block.Data, 8 + (i - 1) * 16),
Bid = BitConverter.ToUInt64(block.Data, 16 + (i - 1) * 16)
});
}
}
return(null);
}
private SlEntry FindLeafEntry(Block block, Nid nid)
{
var numEntries = BitConverter.ToUInt16(block.Data, 2);
for (int i = 0; i < numEntries; i++)
{
var entryNid = BitConverter.ToUInt32(block.Data, 8 + i * 24);
if (entryNid == nid)
{
return new SlEntry
{
Nid = BitConverter.ToUInt32(block.Data, 8 + i * 24),
DataBid = BitConverter.ToUInt64(block.Data, 16 + i * 24),
SubnodeBid = BitConverter.ToUInt64(block.Data, 24 + i * 24)
};
}
}
return null;
}
internal Node FindSubnode(Nid nid)
{
var block = _reader.FindBlock(_bid);
var level = block.Data[1];
if (level > 0)
{
var siEntry = FindIntermediateEntry(block, nid);
if (siEntry == null)
return null;
block = _reader.FindBlock(siEntry.Bid);
}
var slEntry = FindLeafEntry(block, nid);
if (slEntry == null)
return null;
return new Node(nid, slEntry.DataBid, slEntry.SubnodeBid, _reader);
}
private SlEntry FindLeafEntry(Block block, Nid nid)
{
var numEntries = BitConverter.ToUInt16(block.Data, 2);
for (var i = 0; i < numEntries; i++)
{
var entryNid = BitConverter.ToUInt32(block.Data, 8 + i * 24);
if (entryNid == nid)
{
return(new SlEntry
{
Nid = BitConverter.ToUInt32(block.Data, 8 + i * 24),
DataBid = BitConverter.ToUInt64(block.Data, 16 + i * 24),
SubnodeBid = BitConverter.ToUInt64(block.Data, 24 + i * 24)
});
}
}
return(null);
}
internal Folder(Nid nid, IPstReader reader)
{
_nid = nid;
_pstReader = reader;
Initialize();
}
internal MessageStore(Nid nid, IPstReader reader)
{
_nid = nid;
_pstReader = reader;
Initialize();
}
internal static Nid ChangeType(Nid nid, NidType type) => new Nid(type, nid.Index);
internal static Nid ChangeType(Nid nid, NidType type)
{
return new Nid(type, nid.Index);
}
