public Fat16Partition(PartitionInfo info)
{
_info = base.info = info;
diskFileName = String.Format("\\\\.\\{0}:", info.Letter);
rootDirectoryName = String.Format("{0}:\\", info.Letter);
bytesPerSector = GetBytesPerSector();
diskFile = new UnmanagedFile(diskFileName);
byte[] fatInfo = diskFile.ReadFile((uint)bytesPerSector);
fatCopiesNumber = fatInfo.AsWord(16);
fatSize = fatInfo.AsWord(22);
reservedAreaSize = fatInfo.AsWord(14);
sectorsPerCluster = fatInfo.AsByte(13);
fatAddress = reservedAreaSize;
rootDirectoryEntities = fatInfo.AsWord(17);
rootDirectorySector = reservedAreaSize + (fatCopiesNumber * fatSize);
bitsPerSector = GetBitsNumber(bytesPerSector);
bytesPerCluster = bytesPerSector * sectorsPerCluster;
fatContentSize = (uint)(fatSize * bytesPerSector);
fatContent = LoadFatContent();
info.FreeSpace = GetFreeDiskSpace();
currentDirectory = new FatDirectoryObject
{
Name = String.Empty,
Type = DirectoryObjectType.Directory,
Cluster = 0
};
directoryStack.Push(currentDirectory);
LoadCurrentDirectoryObjects();
}
public Fat32Partition(PartitionInfo info)
{
_info = base.info = info;
diskFileName = String.Format("\\\\.\\{0}:", info.Letter);
rootDirectoryName = String.Format("{0}:\\", info.Letter);
bytesPerSector = GetBytesPerSector();
diskFile = new UnmanagedFile(diskFileName);
byte[] fatInfo = diskFile.ReadFile(bytesPerSector);
fatCopiesNumber = fatInfo.AsWord(16);
fatSize = fatInfo.AsWord(36);
reservedAreaSize = fatInfo.AsWord(14);
sectorsPerCluster = fatInfo.AsByte(13);
fatAddress = reservedAreaSize;
rootDirectoryCluster = fatInfo.AsInt32(44);
bitsPerSector = GetBitsNumber(bytesPerSector);
bytesPerCluster = bytesPerSector * sectorsPerCluster;
fatContentSize = (uint)(fatSize * bytesPerSector);
fatContent = LoadFatContent();
info.FreeSpace = GetFreeDiskSpace();
currentDirectory = new FatDirectoryObject
{
Name = String.Empty,
Type = DirectoryObjectType.Directory,
Cluster = rootDirectoryCluster
};
directoryStack.Push(currentDirectory);
LoadCurrentDirectoryObjects();
}
protected void GoRootDirectory()
{
if (directoryStack.Count > 1)
{
directoryStack.Pop();
currentDirectory = (FatDirectoryObject)directoryStack.Peek();
}
}
protected void GoSubDirectory(string name)
{
var subDirectories = contents.Where(x => (x.Type == DirectoryObjectType.Directory) &&
(x.Name == name));
if (subDirectories.Any())
{
var subDirectory = subDirectories.First();
currentDirectory = subDirectory;
directoryStack.Push(currentDirectory);
}
}
protected void GoSubDirectory(string name)
{
var subDirectories = contents.Where(x => (x.Type == DirectoryObjectType.Directory) &&
(x.Name == name));
if (subDirectories.Any())
{
var subDirectory = subDirectories.First();
currentDirectory = subDirectory;
directoryStack.Push(currentDirectory);
}
}
protected void GoRootDirectory()
{
if (directoryStack.Count > 1)
{
directoryStack.Pop();
currentDirectory = (FatDirectoryObject)directoryStack.Peek();
}
}