public FatFileStream(FatFileSystem fileSystem, Directory dir, long fileId, FileAccess access)
{
_dir = dir;
_dirId = fileId;
DirectoryEntry dirEntry = _dir.GetEntry(_dirId);
_stream = new ClusterStream(fileSystem, access, (uint)dirEntry.FirstCluster, (uint)dirEntry.FileSize);
_stream.FirstClusterChanged += FirstClusterAllocatedHandler;
}
public FatFileStream(FatFileSystem fileSystem, Directory dir, long fileId, FileAccess access)
{
_dir = dir;
_dirId = fileId;
DirectoryEntry dirEntry = _dir.GetEntry(_dirId);
_stream = new ClusterStream(fileSystem, access, (uint)dirEntry.FirstCluster, (uint)dirEntry.FileSize);
_stream.FirstClusterChanged += FirstClusterAllocatedHandler;
}
private void PopulateNewChildDirectory(DirectoryEntry newEntry)
{
// Populate new directory with initial (special) entries. First one is easy, just change the name!
using (ClusterStream stream = new ClusterStream(_fileSystem, FileAccess.Write, newEntry.FirstCluster, uint.MaxValue))
{
// First is the self-referencing entry...
DirectoryEntry selfEntry = new DirectoryEntry(newEntry);
selfEntry.Name = FileName.SelfEntryName;
selfEntry.WriteTo(stream);
// Second is a clone of our self entry (i.e. parent) - though dates are odd...
DirectoryEntry parentEntry = new DirectoryEntry(SelfEntry);
parentEntry.Name = FileName.ParentEntryName;
parentEntry.CreationTime = newEntry.CreationTime;
parentEntry.LastWriteTime = newEntry.LastWriteTime;
parentEntry.WriteTo(stream);
}
}
private void LoadRootDirectory()
{
Stream fatStream;
if (_type != FatType.Fat32)
{
fatStream = new SubStream(_data, (_bpbRsvdSecCnt + (_bpbNumFATs * _bpbFATSz16)) * _bpbBytesPerSec, _bpbRootEntCnt * 32);
}
else
{
fatStream = new ClusterStream(this, FileAccess.ReadWrite, _bpbRootClus, uint.MaxValue);
}
_rootDir = new Directory(this, fatStream);
}
private void PopulateNewChildDirectory(DirectoryEntry newEntry)
{
// Populate new directory with initial (special) entries. First one is easy, just change the name!
using (ClusterStream stream = new ClusterStream(_fileSystem, FileAccess.Write, newEntry.FirstCluster, uint.MaxValue))
{
// First is the self-referencing entry...
DirectoryEntry selfEntry = new DirectoryEntry(newEntry);
selfEntry.Name = FileName.SelfEntryName;
selfEntry.WriteTo(stream);
// Second is a clone of our self entry (i.e. parent) - though dates are odd...
DirectoryEntry parentEntry = new DirectoryEntry(SelfEntry);
parentEntry.Name = FileName.ParentEntryName;
parentEntry.CreationTime = newEntry.CreationTime;
parentEntry.LastWriteTime = newEntry.LastWriteTime;
parentEntry.WriteTo(stream);
}
}