/// <summary> /// Used for quickly reading bytes for a length that is not a multiple of 0x200 /// </summary> internal byte[] ReadBytes(ref FATX_Browser.FATX.IOReader br, long length) { Misc m = new Misc(); m.UpToNearest200(length); byte[] buffer = br.ReadBytes((int)length); List<byte> bl = buffer.ToList<byte>(); bl.RemoveRange((int)(length - 1), (int)(buffer.Length - length)); buffer = bl.ToArray(); return buffer; }
/// <summary> /// ReadUInt32 (big endian) /// </summary> public uint ReadUInt32(ref FATX_Browser.FATX.IOReader br) { byte[] bytes = br.ReadBytes(0x4); Array.Reverse(bytes); return BitConverter.ToUInt32(bytes, 0x0); }
/// <summary> /// Returns EntryData for an entry in a block /// </summary> /// <param name="br">The binary reader to use</param> /// <param name="EntryBlock">The entry in the block to read</param> /// <param name="Block">The block to read from</param> internal EntryData GetEData(long originalOffset, FATX_Browser.FATX.IOReader br, uint EntryBlock, uint Block) { Misc r = new Misc(); //br.BaseStream.Position = 0x131229000;//(r.GetBlockOffset(Block, Partition, DeviceID)) + (0x40 * EntryBlock); //Create our return EntryData data = new EntryData(); //Read our variables data.EntryOffset = originalOffset + br.BaseStream.Position; data.FileNameSize = br.ReadByte(); data.Flags = br.ReadByte(); data.FileName = Encoding.ASCII.GetString(br.ReadBytes((int)data.FileNameSize)); //Go to the end of the name to continue reading the variables br.BaseStream.Position += (0x2A - (int)data.FileNameSize); data.StartingCluster = r.ReadUInt32(ref br); data.Size = r.ReadUInt32(ref br); data.CreationDate = r.ReadUInt16(ref br); data.CreationTime = r.ReadUInt16(ref br); data.AccessDate = r.ReadUInt16(ref br); data.AccessTime = r.ReadUInt16(ref br); data.ModifiedDate = r.ReadUInt16(ref br); data.ModifiedTime = r.ReadUInt16(ref br); //br.BaseStream.Position += 0xC; br.Close(); return data; //TODO: Datetime conversion from FAT to DateTime }
public short ReadInt16(ref FATX_Browser.FATX.IOReader br) { byte[] bytes = br.ReadBytes(0x2); Array.Reverse(bytes); return BitConverter.ToInt16(bytes, 0x0); }
internal bool ExtractFileInternal(File f, FATX_Browser.FATX.IOWriter outIO, ref long sizeWritten, ref long maxVal) { //Create our binaryreader FATX_Browser.FATX.IOReader br; try { //Create our new misc class Misc m = new Misc(); //Create our blocks occupied list to speed some things up if the //blocks haven't been loaded yet System.Diagnostics.Stopwatch s = new System.Diagnostics.Stopwatch(); s.Start(); List<uint> BlocksOccupied = f.BlocksOccupied.ToList<uint>(); maxVal = BlocksOccupied.Count; if (BlocksOccupied.Count >= 1) { //Get our IO... br = xDrive.GetIO(); //For each loop increase our sizewritten, and keep looping //until we've reached the block BEFORE the final (size may not //be 0x4000 bytes) for (int i = 0; i < BlocksOccupied.Count - 1; i++, sizeWritten++) { //Get and set our reader position long position = m.GetBlockOffset(BlocksOccupied.ToArray()[i], f.PartInfo); br.BaseStream.Position = position; //Write to our output file what we just read outIO.Write(br.ReadBytes((int)f.PartInfo.ClusterSize)); br.BaseStream.Flush(); outIO.BaseStream.Flush(); } //KAY, now we've reached the final block in the series br.BaseStream.Position = m.GetBlockOffset(BlocksOccupied.ToArray()[BlocksOccupied.Count - 1], f); //Right here, we read the remaining data, and write it all //in one swoop outIO.Write(m.ReadBytes(ref br, m.RemainingData(f))); br.BaseStream.Flush(); outIO.BaseStream.Flush(); //Close our IO's br.Close(); outIO.Close(); sizeWritten++; return true; } return false; } catch (Exception e) { outIO.Close(); throw e; } }