/// <summary>Saves the stream's UserData so a new one can be specified, but is then later restored to the previous UserData, via <see cref="Dispose()"/></summary>
/// <param name="stream">The underlying stream for this bookmark</param>
/// <param name="newUserData"></param>
public IKSoftStreamUserDataBookmark(IKSoftStream stream, object newUserData)
{
Contract.Requires(stream != null);
mOldUserData = (mStream = stream).UserData;
mStream.UserData = newUserData;
}
/// <summary>Saves the stream's owner so a new one can be specified, but is then later restored to the previous owner, via <see cref="Dispose()"/></summary>
/// <param name="stream">The underlying stream for this bookmark</param>
/// <param name="newOwner"></param>
public IKSoftStreamOwnerBookmark(IKSoftStream stream, object newOwner)
{
Contract.Requires(stream != null);
mOldOwner = (mStream = stream).Owner;
mStream.Owner = newOwner;
}
/// <summary>Returns the UserData of the underlying stream to the previous UserData</summary>
public void Dispose()
{
if (mStream != null)
{
mStream.UserData = mOldUserData;
mStream = null;
}
}
/// <summary>Returns the owner of the underlying stream to the previous owner</summary>
public void Dispose()
{
if (mStream != null)
{
mStream.Owner = mOldOwner;
mStream = null;
}
}
public TextStreamReadErrorState(IKSoftStream textStream)
{
Contract.Requires <ArgumentNullException>(textStream != null);
mStream = textStream;
mReadLineInfo = null;
GetLineInfoException = GetLineInfoExceptionInternal;
}
