/// <summary>
/// Opens the file stream for the specified KIFINT archive and closes the existing stream if there is one.
/// <para/>
/// This method does not reopen the stream if the specified KIFINT archive is the currenly open archive.
/// </summary>
/// <param name="kifint">The KIFINT archive information to open the stream for.</param>
///
/// <exception cref="ArgumentNullException">
/// <paramref name="kifint"/> is null.
/// </exception>
public void Open(KifintArchiveInfo kifint)
{
if (IsKifintOpen(kifint))
{
return; // We're already open.
}
Close();
Stream = File.OpenRead(kifint.FilePath);
Kifint = kifint;
}
/// <summary>
/// Checks to make sure a stream is open, not disposed of, and leads to the KIFINT archive's file path.
/// </summary>
/// <param name="kifint">The KIFINT archive information to check the stream for.</param>
/// <returns>True if the stream is open, not closed, and targets <paramref name="kifint"/>'s file.</returns>
///
/// <exception cref="ArgumentNullException">
/// <paramref name="kifint"/> is null.
/// </exception>
public bool IsKifintOpen(KifintArchiveInfo kifint)
{
if (kifint == null)
{
throw new ArgumentNullException(nameof(kifint));
}
// Make sure we have the same file stream open and it's not disposed of.
// CanRead is used to determine if the stream has been disposed of.
string fullPath = Path.GetFullPath(kifint.FilePath);
return(Stream != null && Stream.CanRead && string.Compare(Stream.Name, fullPath, true) == 0);
}
