private void InitializeMembers(StreamingContext context)
{
this.baseStream = null;
this.ownsBaseStream = false;
this.forwardStream = null;
this.fileMode = FitsFileMode.Unknown;
this.path = null;
this.endianness = Endianness.LittleEndian;
this.bitConverter = null;
this.hdus = new List<HduBase>();
this.hduCounter = -1;
}
public FitsFile(string path, FitsFileMode fileMode, Endianness endianness)
{
InitializeMembers(new StreamingContext());
this.path = path;
this.fileMode = fileMode;
this.endianness = endianness;
Open();
}
/// <summary>
/// Opens a file by wrapping a stream.
/// </summary>
/// <param name="stream"></param>
/// <param name="mode"></param>
/// <param name="compression"></param>
protected void OpenExternalStream(Stream stream, FitsFileMode fileMode, Endianness endianness)
{
this.baseStream = stream;
this.ownsBaseStream = false;
this.fileMode = fileMode;
this.endianness = endianness;
}
private void CopyMembers(FitsFile old)
{
this.baseStream = null;
this.ownsBaseStream = false;
this.forwardStream = null;
this.fileMode = old.fileMode;
this.path = old.path;
this.endianness = old.endianness;
this.bitConverter = old.bitConverter;
// Deep copy HDUs
this.hdus = new List<HduBase>();
foreach (var hdu in old.hdus)
{
this.hdus.Add((HduBase)hdu.Clone());
}
this.hduCounter = old.hduCounter;
}
/// <summary>
/// Opens a file by opening a new stream.
/// </summary>
/// <param name="uri"></param>
/// <param name="fileMode"></param>
public void Open(string path, FitsFileMode fileMode, Endianness endianness)
{
if (path == null)
{
throw new ArgumentNullException("path"); // TODO
}
this.path = path;
this.fileMode = fileMode;
this.endianness = endianness;
Open();
}
/// <summary>
/// Opens a file by wrapping an external file stream
/// </summary>
/// <param name="stream"></param>
/// <param name="fileMode"></param>
public void Open(Stream stream, FitsFileMode fileMode, Endianness endianness)
{
if (stream == null)
{
throw new ArgumentNullException("stream"); // TODO
}
OpenExternalStream(stream, fileMode, endianness);
Open();
}
public FitsFile(Stream stream, FitsFileMode fileMode)
: this(stream, fileMode, Endianness.LittleEndian)
{
// Overload
}
public FitsFile(Stream stream, FitsFileMode fileMode, Endianness endianness)
{
InitializeMembers(new StreamingContext());
OpenExternalStream(stream, fileMode, endianness);
}
public FitsFile(string path, FitsFileMode fileMode)
: this(path, fileMode, Endianness.LittleEndian)
{
// Overload
}
