public void ReadTransactionLog(Dictionary <uint, uint> transactionsData, IFileChunkReference fileChunkReference,
uint cTransactionsInLog)
{
oneNoteFileReader.Move(fileChunkReference.Offset, "TransactionLog");
uint cbRead = 0;
var cbTransactionLogFragmentSize = fileChunkReference.DataSize;
var cbMax = cbTransactionLogFragmentSize - FileChunkReference64x32.SizeInBytes;
for (var i = 0; i < cTransactionsInLog; i++)
{
if (cbRead == cbMax)
{
const string operationContext = "TransactionLog.nextFragment";
var nextFragment = new FileChunkReference64x32();
oneNoteFileReader.ReadFileChunkReference64x32(ref nextFragment, operationContext);
oneNoteFileReader.Move(nextFragment.Offset, operationContext);
cbRead = 0;
cbMax = nextFragment.cb - FileChunkReference64x32.SizeInBytes;
}
else if (cbRead > cbMax)
{
throw new FileFormatException("Transaction log is broken");
}
ReadTransaction(transactionsData, ref cbRead);
}
}
public ObjectSpaceObjectPropSet ReadObjectSpaceObjectPropSet(IFileChunkReference fileChunkReference)
{
oneNoteFileReader.Move(fileChunkReference.Offset, "PropertySet");
var oids = ReadObjectSpaceObjectStream();
var osids = oids.Header.OsidStreamNotPresent ? null : ReadObjectSpaceObjectStream();
var contextIDs = oids.Header.ExtendedStreamsPresent ? ReadObjectSpaceObjectStream() : null;
return(new ObjectSpaceObjectPropSet(oids, osids, contextIDs));
}
public ICollection <FNDBase> ReadFileNodeList(IFileChunkReference fileChunkReference, Dictionary <uint, uint> transactionsData, params uint[] fileNodeIds)
{
ICollection <FNDBase> result = new List <FNDBase>();
var nextFragment = new FileChunkReference64x32();
while (true)
{
ReadFileNodeListFragment(fileChunkReference, result, ref nextFragment, transactionsData, fileNodeIds);
if (FileChunkReference64x32.Nil.Equals(nextFragment))
{
break;
}
fileChunkReference = nextFragment;
}
return(result);
}
public ObjectDeclaration2RefCountFND(FileNodeHeader header, IFileChunkReference blobFileChunkReference, ObjectDeclaration2Body body, byte cRef) : base(header)
{
this.blobFileChunkReference = blobFileChunkReference;
this.body = body;
this.cRef = cRef;
}
public RevisionManifestListReferenceFND(FileNodeHeader header, IFileChunkReference fileChunkReference) : base(header)
{
this.fileChunkReference = fileChunkReference;
}
public ObjectGroupListReferenceFND(FileNodeHeader header, IFileChunkReference fileChunkReference, ExtendedGuid objectGroupId) : base(header)
{
this.fileChunkReference = fileChunkReference;
ObjectGroupID = objectGroupId;
}
public ObjectSpaceManifestListReferenceFND(FileNodeHeader header, IFileChunkReference fileChunkReference, ExtendedGuid gosid)
: base(header)
{
this.fileChunkReference = fileChunkReference;
this.gosid = gosid;
}
public void ReadFileNodeListFragment(IFileChunkReference fileChunkReference, ICollection <FNDBase> result, ref FileChunkReference64x32 nextFragment, Dictionary <uint, uint> transactionsData, params uint[] fileNodeIds)
{
oneNoteFileReader.Move(fileChunkReference.Offset, "FileNodeListFragment");
var jumpSizeToNextFragmentReference = GetJumpSizeToNextFragmentReference(fileChunkReference.DataSize);
var fileNodeListHeader = new FileNodeListHeader();
oneNoteFileReader.ReadFileNodeListHeader(ref fileNodeListHeader);
jumpSizeToNextFragmentReference -= FileNodeListHeader.SizeInBytes;
var fileNodeListId = fileNodeListHeader.FileNodeListID;
var nodesCount = transactionsData[fileNodeListId];
var fileNodeHeader = new FileNodeHeader();
while (true)
{
if (nodesCount == 0)
{
break;
}
oneNoteFileReader.ReadFileNodeHeader(ref fileNodeHeader);
jumpSizeToNextFragmentReference -= FileNodeHeader.SizeInBytes;
var fileNodeId = fileNodeHeader.FileNodeID;
if (fileNodeId == FileNodeIDs.ChunkTerminatorFND)
{
break;
}
var sizeOfData = fileNodeHeader.Size - FileNodeHeader.SizeInBytes;
var skip = true;
if (fileNodeIds.Length == 0 || Array.IndexOf(fileNodeIds, fileNodeId) >= 0)
{
var readFileNodeData = ReadFileNodeData(fileNodeHeader);
if (readFileNodeData == null)
{
readFileNodeData = new NotImplementedFND(fileNodeHeader);
}
else
{
skip = false;
}
result.Add(readFileNodeData);
jumpSizeToNextFragmentReference -= sizeOfData;
}
if (skip && sizeOfData != 0)
{
oneNoteFileReader.Skip(sizeOfData);
jumpSizeToNextFragmentReference -= sizeOfData;
}
nodesCount--;
const uint minJumpSize = 4;
if (jumpSizeToNextFragmentReference < minJumpSize)
{
break;
}
}
if (jumpSizeToNextFragmentReference != 0)
{
oneNoteFileReader.Skip(jumpSizeToNextFragmentReference);
}
oneNoteFileReader.ReadFileChunkReference64x32(ref nextFragment, "FileNodeListFragment.nextFragment");
oneNoteFileReader.ExpectFileNodeListFooter();
transactionsData[fileNodeListId] = nodesCount;
}
