static object ObtainParameter(InvokeParameters invokeParameters, object parameter)
{
if (parameter is ReflectionParameter)
{
ReflectionParameter rp = (ReflectionParameter)parameter;
return(invokeParameters[rp.Name]);
}
return(parameter);
}
public static object InvokeMethod(UiController controller, object binding, object definition, InvokeParameters invokeParameters)
{
MethodName method = (MethodName)definition;
string name = method.Name;
if (name.StartsWith(":"))
{
name = name.Substring(1);
controller = controller.Parent;
}
object context = method.Binding ? binding : controller;
object[] parameters = new object[method.Parameters.Length];
for (int idx = 0; idx < parameters.Length; ++idx)
{
parameters[idx] = ObtainParameter(invokeParameters, method.Parameters[idx]);
}
MethodInfo[] infos = context.GetType().GetMethods();
if (infos != null)
{
foreach (var info in infos)
{
if (info.Name == name)
{
ParameterInfo[] methodParams = info.GetParameters();
if (parameters.Length == methodParams.Length)
{
return(info.Invoke(context, parameters));
}
}
}
}
throw new Exception(String.Format("Cannot find method: {0}({1})", name, parameters.ToString()));
}
public static object GetFieldValue(UiController controller, object binding, object definition, InvokeParameters invokeParameters)
{
FieldName field = (FieldName)definition;
object context = field.Binding ? binding : controller;
if (field.Name == "*")
{
return(context);
}
string name = field.Name;
if (name.StartsWith(":"))
{
name = name.Substring(1);
controller = controller.Parent;
}
int[] indices = null;
if (field.Parameters != null)
{
indices = new int[field.Parameters.Length];
for (int idx = 0; idx < indices.Length; ++idx)
{
indices[idx] = (int)ObtainParameter(invokeParameters, field.Parameters[idx]);
}
}
PropertyInfo info = context.GetType().GetProperty(name);
if (info != null)
{
object value = info.GetValue(context, null);
if (indices != null)
{
if (value is Array)
{
return((value as Array).GetValue(indices));
}
throw new Exception(String.Format("Value is not an array: {0}[{1}]", name, indices.ToString()));
}
else
{
return(value);
}
}
else
{
FieldInfo finfo = context.GetType().GetField(name);
if (finfo != null)
{
object value = finfo.GetValue(context);
if (indices != null)
{
if (value is Array)
{
return((value as Array).GetValue(indices));
}
throw new Exception(String.Format("Value is not an array: {0}[{1}]", name, indices.ToString()));
}
else
{
return(value);
}
}
}
throw new Exception(String.Format("Cannot find field: {0}{1}", field.Name, indices != null ? '[' + indices.ToString() + ']' : ""));
}
public static T InvokeMethod <T>(UiController controller, object binding, object definition, InvokeParameters invokeParameters)
{
object result = InvokeMethod(controller, binding, definition, invokeParameters);
return((T)Convert.ChangeType(result, typeof(T)));
}
