void InitFileByteData()
{
_bytePartList = new BytePartList();
_bytePartList.AddFirst(new FileBytePart(0, _fileDataStream.Length));
Length = _fileDataStream.Length;
_undoList = new UndoList();
}
public override void RemoveBytes(long index, long length, BytePartList bytePartList)
{
byte[] newBytes = new byte[_bytes.LongLength - length];
if (index > 0)
{
Array.Copy(_bytes, 0, newBytes, 0, index);
}
if (index + length < _bytes.LongLength)
{
Array.Copy(_bytes, index + length, newBytes, index, newBytes.LongLength - index);
}
_bytes = newBytes;
}
public override void RemoveBytes(long index, long length, BytePartList bytePartList)
{
if (bytePartList == null)
{
throw new ArgumentNullException("bytePartList", "FileBytePart.RemoveBytes: The parameter cannot be NULL.");
}
if (index > _filePartLength)
{
throw new ArgumentOutOfRangeException("index", "FileBytePart.RemoveBytes: The index cannot be greater than the length.");
}
if (index + length > _filePartLength)
{
throw new ArgumentOutOfRangeException("length", "FileBytePart.RemoveBytes: No more elements can be removed than are present.");
}
long startIndex = _filePartIndex;
long startLength = index;
long endIndex = _filePartIndex + index + length;
long endLength = _filePartLength - length - startLength;
if (startLength > 0 && endLength > 0)
{
_filePartIndex = startIndex;
_filePartLength = startLength;
LinkedListNode <BytePart> bp = bytePartList.Find(this);
bytePartList.AddAfter(bp, new FileBytePart(endIndex, endLength));
}
else
{
if (startLength > 0)
{
_filePartIndex = startIndex;
_filePartLength = startLength;
}
else
{
_filePartIndex = endIndex;
_filePartLength = endLength;
}
}
}
public abstract void RemoveBytes(long index, long length, BytePartList bytePartList);
