/// <summary>
/// Loads a native with the specified name.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="sizes">The references to the parameter which contains the size of array parameters.</param>
/// <param name="parameterTypes">The parameter types.</param>
/// <returns>
/// The loaded native.
/// </returns>
public INative Load(string name, int[] sizes, Type[] parameterTypes)
{
try
{
if (parameterTypes == null || parameterTypes.Length == 0)
{
var handle = Interop.LoadNative(name, string.Empty, null);
var native = new DefaultNative(name, handle, parameterTypes);
_handles[handle] = native;
return(native);
}
else
{
// Compute the parameter format string.
string format;
var lengthIndices = ComputeFormatString(parameterTypes, out format);
var handle = Interop.LoadNative(name, format, (sizes?.Length ?? 0) == 0 ? lengthIndices : sizes);
var native = new DefaultNative(name, handle, parameterTypes);
_handles[handle] = native;
return(native);
}
}
catch (Exception e)
{
FrameworkLog.WriteLine(FrameworkMessageLevel.Debug, "Native load failure ({0})", name);
return(null);
}
}
/// <summary>
/// Registers the specified command.
/// </summary>
/// <param name="command">The command.</param>
public virtual void Register(ICommand command)
{
if (command == null)
{
throw new ArgumentNullException(nameof(command));
}
FrameworkLog.WriteLine(FrameworkMessageLevel.Debug, $"Registering command {command}");
_commands.Add(command);
}
/// <summary>
/// Invokes the native with the specified arguments.
/// </summary>
/// <param name="arguments">The arguments.</param>
/// <returns>The return value of the native.</returns>
public int Invoke(params object[] arguments)
{
if (Sync.IsRequired)
{
FrameworkLog.WriteLine(FrameworkMessageLevel.Debug,
$"Call to native handle {this} is being synchronized.");
return(Sync.RunSync(() => CastArgsAndInvoke(arguments)));
}
return(CastArgsAndInvoke(arguments));
}
/// <summary>
/// Adds a <see cref="IController" /> to this collection and remove controllers it overrides.
/// </summary>
/// <param name="controller">The <see cref="IController" /> to add to this collection.</param>
public void Override(IController controller)
{
var overrides = this.Where(c => c.GetType().IsInstanceOfType(controller)).ToArray();
if (overrides.Any())
{
FrameworkLog.WriteLine(FrameworkMessageLevel.Debug,
$"{controller} overrides {string.Join(", ", (object[]) overrides)}");
}
foreach (var c in overrides)
{
Remove(c);
}
_controllers.Add(controller);
}
