public void ReadFileNodeListHeader(ref FileNodeListHeader fileNodeListHeader)
{
if (!Unsafe.ReadStruct(binaryReader, ref fileNodeListHeader))
{
throw new FileFormatException("Cannot read header of FileNodeListFragment");
}
if (fileNodeListHeader.uintMagic != FileNodeListFragmentHeaderMagic)
{
throw new FileFormatException("Header of FileNodeListFragment is corrupted");
}
}
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;
}