/// <summary>
/// Returns the remaining size of a file/folder
/// </summary>
public long RemainingData(File f)
{
long length = (long)(f.BlocksOccupied.Length - 1) * f.PartInfo.ClusterSize;
return f.Size - length;
}
public bool OverWriteFile(File FileToOverwrite, string FilePath, ref int Progress, ref int BlocksToWrite)
{
FATX_Browser.FATX.IOReader br = null;
//Do a try...
try
{
//Create our new fatstuff to get our free blocks
FATStuff fs = new FATStuff(FileToOverwrite);
//Get our blocks needed
int BlocksNeeded = (int)(m.UpToNearestCluster(new System.IO.FileInfo(FilePath).Length, FileToOverwrite.PartInfo.ClusterSize) / FileToOverwrite.PartInfo.ClusterSize);
//Create our block array for the blocks we do have
uint[] BlocksWeHave = FileToOverwrite.BlocksOccupied;
//If we have more blocks than we need already...
if ((int)FileToOverwrite.BlocksOccupied.Length > BlocksNeeded)
{
//Get our blocks that we're going to clear...
List<uint> BlocksList = FileToOverwrite.BlocksOccupied.ToList<uint>();
//Remove the blocks we need from the list of blocks to overwrite
BlocksList.RemoveRange(0x0, (int)((int)FileToOverwrite.BlocksOccupied.Length - BlocksNeeded));
//Finalize
uint[] BlocksToFree = BlocksList.ToArray();
//Clears the blocks.
ClearFATChain(BlocksToFree, FileToOverwrite);
//Make the final block in the series the ending block by writing 0xFFFF to it
uint EndBlock = FileToOverwrite.BlocksOccupied[(FileToOverwrite.BlocksOccupied.Length - 1) - BlocksNeeded];
if (FileToOverwrite.PartInfo.EntrySize == Info.PartitionBit.FATX16)
{
WriteBlock(EndBlock, new byte[] { 0xFF, 0xFF }, FileToOverwrite);
}
else
{
WriteBlock(EndBlock, new byte[] { 0xFF, 0xFF, 0xFF, 0xFF }, FileToOverwrite);
}
BlocksList = FileToOverwrite.BlocksOccupied.ToList<uint>();
BlocksList.RemoveRange(0x0, (FileToOverwrite.BlocksOccupied.Length - 1) - BlocksNeeded);
BlocksWeHave = BlocksList.ToArray();
}
else if ((int)FileToOverwrite.BlocksOccupied.Length < BlocksNeeded)
{
//Get the number of blocks we REALLY need
int RealBlocksNeeded = BlocksNeeded - FileToOverwrite.BlocksOccupied.Length;
//Write out the FAT chain from that last block
List<uint> bl = new List<uint>();
bl.Add(FileToOverwrite.BlocksOccupied[FileToOverwrite.BlocksOccupied.Length - 1]);
uint[] newBlocks = new FATStuff(FileToOverwrite).GetFreeBlocks(RealBlocksNeeded, bl[0], 0, false);
bl.AddRange(newBlocks);
//Set the BlocksWeHave
BlocksWeHave = bl.ToArray();
}
//Create our binary reader to read our file
br = new FATX_Browser.FATX.IOReader(new System.IO.FileStream(FilePath, System.IO.FileMode.Open));
for (int i = 0; i < BlocksWeHave.Length; i++)
{
WriteToCluster(m.GetBlockOffset(BlocksWeHave[i], FileToOverwrite), br.ReadBytes(0x200));
}
br.Close();
return true;
}
catch (Exception e)
{
try
{
br.Close();
}
catch { }
throw e;
}
}
private bool DeleteInternal(File f, ref long progressUpdate, ref long progressMax, ref string CurrentFile)
{
return true;
}
public bool Delete(File f, ref long ProgressUpdate, ref long ProgressMax, ref string CurrentFile)
{
return DeleteInternal(f, ref ProgressUpdate, ref ProgressMax, ref CurrentFile);
}
public bool OverWriteFile(File FileToOverwrite, string FilePath)
{
int p = 0;
int d = 0;
return OverWriteFile(FileToOverwrite, FilePath, ref p, ref d);
}
public bool Delete(File f)
{
long ProgressUpdate = 0;
long ProgressMax = 0;
string CurrentFile = "";
return DeleteInternal(f, ref ProgressUpdate, ref ProgressMax, ref CurrentFile);
}
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; }
}
/// <summary>
/// Returns a folder when given a path
/// </summary>
/// <param name="path">The path to the folder</param>
//public Folder GetFolder(string path)
//{
// //Create our folder for the root
// string[] FolderNames = path.Split('\\');
// Folder PartitionEntries = new Folder(DeviceID, Partition);
// PartitionEntries.EData.StartingCluster = 1;
// //Call to our function that will return our folder
// return GetOurFolder(PartitionEntries, FolderNames, 0);
//}
//private Folder GetOurFolder(Folder f, string[] names, int startIndex)
//{
// //Create our array of subfolders
// Folder[] subs = f.SubFolders();
// //Loop for each folder in our subfolder
// foreach (Folder g in subs)
// {
// //If the subfolder name matches the name for our desired index
// if (g.Name == names[startIndex])
// {
// //If we're not at the end of our name array...
// if (!(startIndex == names.Length - 1))
// {
// //Loop again for the next in the index
// GetOurFolder(g, names, startIndex++);
// }
// //If we ARE in the end of our name array
// else
// {
// //Return our folder
// return g;
// }
// }
// }
// //The folder was not found, return null
// return null;
//}
/// <summary>
/// Returns an array of files and folders for a folder
/// </summary>
/// <param name="block">The block to read from</param>
public object[] LoadEntries(Folder f, bool ShowDeletedEntries)
{
//Build our list of entry data
List<EntryData> eList = new List<EntryData>();
//Build our list for files
List<File> fileList = new List<File>();
//Build our list for folders
List<Folder> folderList = new List<Folder>();
//For each block this shit occupies
for (int i = 0; i < f.BlocksOccupied.Length; i++)
{
//Builds our list of entry data
eList.AddRange(GetEntries(f.BlocksOccupied[i]));
}
//For each entry in our entry data
EntryData[] eArray = eList.ToArray();
foreach (EntryData e in eArray)
{
//If the entry is a folder
if (e.Size == 0)
{
Folder folder = new Folder(xDrive, Partition);
folder.Drive = xDrive;
folder.EData = e;
folder.PartInfo = ((Folder)Holder).PartInfo;
if (e.FileNameSize == 0xE5)
{
folder.IsDeleted = true;
folder.EData.FileName = folder.EData.FileName.Remove(folder.EData.FileName.IndexOf('?'));
}
folderList.Add(folder);
}
//If the shit is a file
else if (e.FileNameSize > 0x00)
{
//If the entry is a folder
if (e.Flags == 0x10)
{
//Do nothing
}
else if (e.Size == 0 && e.StartingCluster == 0)
{
File file = new File(xDrive, Partition);
file.Drive = xDrive;
file.EData = e;
file.PartInfo = ((Folder)Holder).PartInfo;
if (e.FileNameSize == 0xE5)
{
file.IsDeleted = true;
file.EData.FileName = file.EData.FileName.Remove(file.EData.FileName.IndexOf('?'));
}
fileList.Add(file);
}
else
{
File file = new File(xDrive, Partition);
file.Drive = xDrive;
file.EData = e;
file.PartInfo = ((Folder)Holder).PartInfo;
if (e.FileNameSize == 0xE5)
{
file.IsDeleted = true;
file.EData.FileName = file.EData.FileName.Remove(file.EData.FileName.IndexOf('?'));
}
fileList.Add(file);
}
}
}
return new object[] { folderList.ToArray(), fileList.ToArray() };
}
/// <summary>
/// Returns an array of files for the specified block
/// </summary>
/// <param name="block">The block to read from</param>
public File[] Files(uint block)
{
List<File> fList = new List<File>();
foreach (EntryData data in GetEntries(block))
{
if (data.FileNameSize != 0xE5 && data.FileNameSize > 0x00)
{
//If the entry is a folder
if (data.Size == 0 && data.StartingCluster != 0)
{
//Do nothing
}
else
{
File file = new File(xDrive, Partition);
file.Drive = xDrive;
file.EData = data;
file.PartInfo = ((Folder)Holder).PartInfo;
fList.Add(file);
}
}
}
return fList.ToArray();
}
/// <summary>
/// Extracts your file to the specified path
/// </summary>
/// <param name="f">File to extract</param>
/// <param name="path">Path to extract the file to</param>
/// <param name="sizeWritten">Used for updating progress on the file(not necessary)</param>
/// <param name="maxVal">Used for updating the file size (not necessary)</param>
public bool ExtractFile(File f, string path, ref long sizeWritten, ref long maxVal)
{
//try
// {
Misc m = new Misc();
//Create our binary writer
FATX_Browser.FATX.IOWriter bw = new FATX_Browser.FATX.IOWriter(new System.IO.FileStream(path, System.IO.FileMode.Create));
//Set our maxVal
maxVal = f.Block;
sizeWritten = 0;
return ExtractFileInternal(f, bw, ref sizeWritten, ref maxVal);
// }
//catch { return false; }
}
