///<summary>
/// Load the buffer with a file
///</summary>
public void Load(string filename)
{
if (reader != null)
{
reader.Close();
}
OperatingSystem os = Environment.OSVersion;
PlatformID pid = os.Platform;
if (pid == PlatformID.Unix)
{
UnixFileInfo fsInfo = new UnixFileInfo(filename);
if (!fsInfo.Exists)
{
throw new FileNotFoundException(fsInfo.FullName);
}
// get the size of the file or device
if (fsInfo.IsRegularFile)
{
FileLength = fsInfo.Length;
isResizable = true;
}
else if (fsInfo.IsBlockDevice)
{
UnixStream unixStream = fsInfo.OpenRead();
ioctl(unixStream.Handle, BLKGETSIZE64, ref FileLength);
unixStream.Close();
isResizable = false;
}
else
{
throw new NotSupportedException("File object isn't a regular or block device.");
}
}
Stream stream = new FileStream(filename, FileMode.Open, FileAccess.Read);
if (stream.CanSeek == false)
{
throw new NotSupportedException("File object doesn't support seeking.");
}
if (pid != PlatformID.Unix)
{
FileLength = stream.Seek(0, SeekOrigin.End);
stream.Seek(0, SeekOrigin.Begin);
isResizable = false;
}
reader = new BinaryReader(stream);
winOccupied = reader.Read(window, 0, window.Length);
winOffset = 0;
}
///<summary>
/// Load the buffer with a file
///</summary>
public void Load(string filename)
{
if (reader != null)
{
reader.Close();
}
#if ENABLE_UNIX_SPECIFIC
UnixFileInfo fsInfo = new UnixFileInfo(filename);
if (!fsInfo.Exists)
{
throw new FileNotFoundException(fsInfo.FullName);
}
// get the size of the file or device
if (fsInfo.IsRegularFile)
{
FileLength = fsInfo.Length;
isResizable = true;
}
else if (fsInfo.IsBlockDevice)
{
UnixStream unixStream = fsInfo.OpenRead();
ioctl(unixStream.Handle, BLKGETSIZE64, ref FileLength);
unixStream.Close();
isResizable = false;
}
else
{
throw new NotSupportedException("File object isn't a regular or block device.");
}
#endif
Stream stream = new FileStream(filename, FileMode.Open, FileAccess.Read,
FileShare.ReadWrite);
if (stream.CanSeek == false)
{
throw new NotSupportedException("File object doesn't support seeking.");
}
#if !ENABLE_UNIX_SPECIFIC
FileLength = stream.Seek(0, SeekOrigin.End);
stream.Seek(0, SeekOrigin.Begin);
isResizable = false;
#endif
reader = new BinaryReader(stream);
winOccupied = reader.Read(window, 0, window.Length);
winOffset = 0;
}
