public FatStream(FatDirectoryEntry aEntry)
{
mDirectoryEntry = aEntry;
mFS = mDirectoryEntry.GetFileSystem();
mSize = mDirectoryEntry.mSize;
if (mDirectoryEntry.mSize > 0)
{
mFatTable = mDirectoryEntry.GetFatTable();
}
}
/// <summary>
/// Set the length of the stream.
/// </summary>
/// <param name="value">Stream length.</param>
/// <exception cref="Exception">
/// <list type="bullet">
/// <item>Thrown when trying to change root directory matadata.</item>
/// <item>data size invalid.</item>
/// <item>invalid directory entry type.</item>
/// <item>FAT table not found.</item>
/// <item>out of memory.</item>
/// <item>invalid aData size.</item>
/// </list>
/// </exception>
/// <exception cref="OverflowException">Thrown when data lenght is greater then Int32.MaxValue.</exception>
/// <exception cref="ArgumentNullException">
/// <list type="bullet">
/// <item>Thrown when entrys aValue is null.</item>
/// <item>Thrown when entrys aData is null.</item>
/// <item>Out of memory.</item>
/// </list>
/// </exception>
/// <exception cref="RankException">Thrown on fatal error (contact support).</exception>
/// <exception cref="ArrayTypeMismatchException">Thrown on fatal error (contact support).</exception>
/// <exception cref="InvalidCastException">Thrown when the data in aValue is corrupted.</exception>
/// <exception cref="ArgumentOutOfRangeException">
/// <list type = "bullet" >
/// <item>Thrown when the data length is 0 or greater then Int32.MaxValue.</item>
/// <item>Entrys matadata offset value is invalid.</item>
/// <item>Thrown when aSize is smaller than 0.</item>
/// </list>
/// </exception>
/// <exception cref="ArgumentException">
/// <list type="bullet">
/// <item>Thrown when aName is null or empty string.</item>
/// <item>aData length is 0.</item>
/// <item>FAT type is unknown.</item>
/// </list>
/// </exception>
/// <exception cref="NotSupportedException">Thrown when FAT type is unknown.</exception>
public override void SetLength(long value)
{
Global.mFileSystemDebugger.SendInternal("-- FatStream.SetLength --");
Global.mFileSystemDebugger.SendInternal("value =");
Global.mFileSystemDebugger.SendInternal(value);
Global.mFileSystemDebugger.SendInternal("mFatTable.Length =");
Global.mFileSystemDebugger.SendInternal(mFatTable.Length);
mDirectoryEntry.SetSize(value);
mSize = value;
mFatTable = mDirectoryEntry.GetFatTable();
}
public FatStream(FatDirectoryEntry aEntry)
{
mDirectoryEntry = aEntry ?? throw new ArgumentNullException(nameof(aEntry));
mFS = aEntry.GetFileSystem();
mFatTable = aEntry.GetFatTable();
mSize = aEntry.mSize;
if (mFatTable == null)
{
throw new Exception("The fat chain returned for the directory entry was null.");
}
}
public FatStream(FatDirectoryEntry aEntry)
{
Global.mFileSystemDebugger.SendInternal("FatStream with entry " + aEntry);
mDirectoryEntry = aEntry;
mFS = mDirectoryEntry.GetFileSystem();
mSize = mDirectoryEntry.mSize;
if (mDirectoryEntry.mSize > 0)
{
mFatTable = mDirectoryEntry.GetFatTable();
}
}
public FatStream(FatDirectoryEntry aEntry)
{
Global.mFileSystemDebugger.SendInternal("FatStream.Ctor");
mDirectoryEntry = aEntry;
mFS = mDirectoryEntry.GetFileSystem();
mSize = mDirectoryEntry.mSize;
Global.mFileSystemDebugger.SendInternal("mSize =");
Global.mFileSystemDebugger.SendInternal(mSize.ToString());
// We get always the FatTable if the file is empty too
mFatTable = mDirectoryEntry.GetFatTable();
// What to do if this should happen? Throw exception?
if (mFatTable == null)
{
Global.mFileSystemDebugger.SendInternal("FatTable got but it is null!");
}
}