public static Subnode GetSubnode(PSTFile file, SubnodeLeafEntry entry)
{
DataTree dataTree = null;
if (entry.bidData.Value != 0)
{
Block rootDataBlock = file.FindBlockByBlockID(entry.bidData);
if (rootDataBlock == null)
{
throw new Exception("Cannot get subnode: missing data tree root block");
}
dataTree = new DataTree(file, rootDataBlock);
}
SubnodeBTree subnodeBTree = null;
if (entry.bidSub.Value != 0)
{
Block rootSubnodeBlock = file.FindBlockByBlockID(entry.bidSub);
if (rootSubnodeBlock == null)
{
throw new Exception("Missing Subnode BTree Root Block");
}
subnodeBTree = new SubnodeBTree(file, rootSubnodeBlock);
}
return(new Subnode(file, entry.nid, dataTree, subnodeBTree));
}
public static PSTNode GetPSTNode(PSTFile file, NodeID nodeID)
{
NodeBTreeEntry entry = file.FindNodeEntryByNodeID(nodeID.Value);
if (entry != null)
{
DataTree dataTree = null;
if (entry.bidData.Value != 0)
{
Block rootDataBlock = file.FindBlockByBlockID(entry.bidData);
dataTree = new DataTree(file, rootDataBlock);
}
SubnodeBTree subnodeBTree = null;
if (entry.bidSub.Value != 0)
{
Block rootSubnodeBlock = file.FindBlockByBlockID(entry.bidSub);
subnodeBTree = new SubnodeBTree(file, rootSubnodeBlock);
}
return(new PSTNode(file, nodeID, dataTree, subnodeBTree));
}
else
{
return(null);
}
}
/// <summary>
/// Will get a block from the buffer,
/// A cloned copy of the block will be returned
/// </summary>
protected Block GetBlock(ulong blockID)
{
if (m_blockBuffer.ContainsKey(blockID))
{
return(m_blockBuffer[blockID].Clone());
}
else
{
Block block = m_file.FindBlockByBlockID(blockID);
m_blockBuffer.Add(blockID, block);
return(block.Clone());
}
}