public byte[] ReadFile(string file)
{
IntPtr buf = IntPtr.Zero;
var size = InteropMethods.ArchiveReadFile(_instance, file, ref buf);
if (size == -1)
{
// TODO should we use this exception type?
throw new FileNotFoundException();
}
var data = new byte[size];
Marshal.Copy(buf, data, 0, size);
InteropMethods.Cleanup(buf);
return(data);
}
public IReadOnlyList <ArchiveFile> GetFiles()
{
int num = 0;
var ptr = InteropMethods.ArchiveGetFiles(_instance, ref num);
var files = new ArchiveFile[num];
var size = Marshal.SizeOf(typeof(ArchiveFile));
for (int i = 0; i < num; i++)
{
files[i] = Marshal.PtrToStructure <ArchiveFile>(IntPtr.Add(ptr, i * size));
}
// free memory allocated by interop
InteropMethods.Cleanup(ptr);
return(files.ToList());
}