/// <summary>
/// Creates a scripting method definition from the reflection info
/// </summary>
private static SciterNativeMethodDef DefineScriptingMethod(MethodInfo methodInfo, ScriptingMethodAttribute methodAttr)
{
return(new SciterNativeMethodDef()
{
name = methodAttr.Name ?? methodInfo.Name,
// Method callback implementation
method = (IntPtr hvm, ref JsonValue p_data_slot, IntPtr argv, int argc, ref JsonValue retval) =>
{
try
{
var instance = default(object);
if (!methodInfo.IsStatic)
{
instance = InstanceProtector.GetInstance(p_data_slot.GetNativeObject());
}
var result = methodInfo.Invoke(instance, JsonPtrToArray(argv, argc));
retval = result == null ? new JsonValue() : new JsonValue(result);
}
catch (Exception ex)
{
SciterHostApi.SciterNativeThrow(hvm, ex.Message);
}
}
});
}
/// <summary>
/// Creates a scripting property definitions
/// </summary>
private static SciterNativePropertyDef DefineScriptingProperty(PropertyInfo propertyInfo, ScriptingPropertyAttribute propertyAttr)
{
return(new SciterNativePropertyDef()
{
name = propertyAttr.Name ?? propertyInfo.Name,
// Property callback implementation
property = (IntPtr hvm, ref JsonValue p_data_slot, bool set, ref JsonValue retval) =>
{
try
{
var instance = default(object);
if (!propertyInfo.GetGetMethod().IsStatic)
{
instance = InstanceProtector.GetInstance(p_data_slot.GetNativeObject());
}
retval = new JsonValue();
if (set)
{
propertyInfo.SetValue(instance, retval.GetValue(), null);
}
else
{
retval = new JsonValue(propertyInfo.GetValue(instance, null));
}
}
catch (Exception ex)
{
SciterHostApi.SciterNativeThrow(hvm, ex.Message);
}
}
});
}
/// <summary>
/// Registers scripting class
/// </summary>
public static bool RegisterClass <TType>(SciterView view)
{
Debug.Assert(view != null && view.HandleInternal != IntPtr.Zero, "View cannot be null");
var result = false;
var hvm = SciterHostApi.SciterGetVM(view.HandleInternal);
if (hvm != IntPtr.Zero)
{
var scripting = GetScriptingClasses(view, hvm);
var sciterClassDef = GetClassDef(typeof(TType));
if (!scripting.IsExists(sciterClassDef))
{
var nativeClass = sciterClassDef.ToNative();
try
{
result = SciterHostApi.SciterNativeDefineClass(hvm, nativeClass);
scripting.ClassDefs.Add(sciterClassDef);
}
finally { SciterClassDef.FreeNative(nativeClass); }
}
else
{
throw new ArgumentException("Class already registered", "TType");
}
}
return(result);
}
/// <summary>
/// Creates a scripting ctor definition from the reflection info
/// </summary>
private static SciterNativeMethodDef DefineCtorMethod(Type type)
{
return(new SciterNativeMethodDef()
{
name = "this",
// Construction callback implementation
method = (IntPtr hvm, ref JsonValue p_data_slot, IntPtr argv, int argc, ref JsonValue retval) =>
{
try
{
var result = Activator.CreateInstance(type, JsonPtrToArray(argv, argc));
var data_slot_value = InstanceProtector.Protect(result);
p_data_slot.SetNativeObject(data_slot_value);
_registrations[hvm].Instances.Add(data_slot_value, result);
}
catch (Exception ex)
{
SciterHostApi.SciterNativeThrow(hvm, ex.Message);
}
}
});
}
