/// <summary>
/// Clones this instance.
/// </summary>
/// <returns>Returns the cloned file allocation table.</returns>
public FileAllocationTable Clone()
{
FileAllocationTable table = new FileAllocationTable();
List <int> list = new List <int>();
foreach (int num in this._innerList)
{
list.Add(num);
}
table._innerList = list;
return(table);
}
/// <summary>
/// Populate all stream fields for the compound file.
/// </summary>
private void PopulateStreamFields()
{
DirectoryEntry entry = this._directoryEntries["Root Entry"];
if (this._directoryEntries.IndexOf("Root Entry") != 0)
{
throw new Exception("The root storage entry MUST exist and proceed all entries.");
}
if (((entry.Type != CompoundFileObjectType.RootStorage) || (entry.LeftSiblingID != DirectoryEntry.NoStream)) || (entry.RightSiblingID != DirectoryEntry.NoStream))
{
throw new ArgumentException("Properties of root entry are not valid for compound file.");
}
if ((this._directoryEntries.Count > 1) && (entry.ChildID == DirectoryEntry.NoStream))
{
throw new Exception("The child id of root directory entry was not set correctly.");
}
this.FillEmptyDirectoryEntries();
this._difatList = new FileAllocationTable();
this._fatList = new FileAllocationTable();
this._miniFatList = new FileAllocationTable();
int sectorCount = (int)Math.Ceiling((double)((this._directoryEntries.Count * 128.0) / ((double)SectorSize)));
int num2 = this.GetTotalUserDataSectorCount() + sectorCount;
int num3 = (int)Math.Ceiling((double)(((double)this.GetTotalUserDataMiniSectorCount()) / ((double)(SectorSize / MiniSectorSize))));
int num4 = num2 + num3;
int num5 = SectorSize / 4;
int num6 = SectorSize / 4;
int num7 = (SectorSize - 4) / 4;
int num8 = (int)Math.Ceiling((double)(((double)num4) / ((double)num5)));
int num9 = (int)Math.Ceiling((double)(((double)Math.Max(0, num8 - CompoundFileHeader.MaxDifatArrayLength)) / ((double)num7)));
int num10 = (int)Math.Ceiling((double)(((double)this.GetTotalUserDataMiniSectorCount()) / ((double)num6)));
for (int i = (((num2 + num3) + num8) + num9) + num10; i != num4; i = (((num2 + num3) + num8) + num9) + num10)
{
num4 = i;
num8 = (int)Math.Ceiling((double)(((double)num4) / ((double)num5)));
num9 = (int)Math.Ceiling((double)(((double)Math.Max(0, num8 - CompoundFileHeader.MaxDifatArrayLength)) / ((double)num7)));
}
this.AllocateUserDataSectors();
int num12 = -2;
if (num3 > 0)
{
int num13 = this._fatList.Allocate(num3, SectorType.Data);
entry.StartSector = num13;
entry.StreamSize = this.GetTotalUserDataMiniSectorCount() * MiniSectorSize;
num12 = this._fatList.Allocate(num10, SectorType.Data);
}
int num14 = this._fatList.Allocate(sectorCount, SectorType.Data);
int num15 = this._fatList.Allocate(num8, SectorType.FAT);
int num16 = this._fatList.Allocate(num9, SectorType.DIFAT);
for (int j = num15; j < (num15 + num8); j++)
{
this._difatList.Add(j);
}
this._header = new CompoundFileHeader();
this._header.FirstMiniFatSector = num12;
this._header.MiniFatSectorCount = num10;
this._header.FirstDirectorySector = num14;
this._header.FatSectorCount = this._difatList.Count;
this._header.DifatSectorCount = num9;
this._header.FirstDifatSector = (num9 > 0) ? num16 : -2;
if (num9 > 0)
{
this._header.DifatArray = new int[CompoundFileHeader.MaxDifatArrayLength];
for (int k = 0; k < this._header.DifatArray.Length; k++)
{
this._header.DifatArray[k] = this._difatList[k];
}
}
else
{
this._header.DifatArray = this._difatList.ToArray();
}
}
