private byte[] AbkEntryToBytes(AbkEntry entry)
{
var size = Marshal.SizeOf(entry);
var array = new byte[size];
var ptr = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(entry, ptr, true);
Marshal.Copy(ptr, array, 0, size);
Marshal.FreeHGlobal(ptr);
return(array);
}
public void Save(string path, List <IntermediateEntry> intermediateEntries)
{
var currentIndex = 900;
var entriesQueue = new Queue <IntermediateEntry>(intermediateEntries);
var siblingsCountQueue = new Queue <int>();
var currentSiblingsCount = intermediateEntries.Count - 1;
var freeIndex = currentIndex + intermediateEntries.Count;
if (File.Exists(path))
{
File.Delete(path);
}
using (var fileStream = new FileStream(path, FileMode.OpenOrCreate))
using (var binaryWriter = new BinaryWriter(fileStream))
{
binaryWriter.BaseStream.Seek(currentIndex * 28, SeekOrigin.Begin);
while (entriesQueue.TryDequeue(out var intermediateEntry))
{
var nextSibling = currentSiblingsCount > 0 ? currentIndex + 1 : -1;
var abkEntry = new AbkEntry(intermediateEntry, freeIndex, nextSibling);
if (intermediateEntry.Children.Count > 0)
{
intermediateEntry.Children.ForEach(p => entriesQueue.Enqueue(p));
siblingsCountQueue.Enqueue(intermediateEntry.Children.Count - 1);
freeIndex += intermediateEntry.Children.Count;
}
currentSiblingsCount--;
if (currentSiblingsCount < 0 && entriesQueue.Count > 0)
{
currentSiblingsCount = siblingsCountQueue.Dequeue();
}
var bytes = AbkEntryToBytes(abkEntry);
binaryWriter.Write(bytes);
currentIndex++;
}
}
}