private static void BuildCommand(CommandBuilder builder, TypeInfo typeInfo, MethodInfo method, CommandService service)
{
var attributes = method.GetCustomAttributes();
foreach (var attribute in attributes)
{
switch (attribute)
{
case CommandAttribute command:
builder.AddAliases(command.Text);
builder.RunMode = command.RunMode;
builder.Name = builder.Name ?? command.Text;
break;
case NameAttribute name:
builder.Name = name.Text;
break;
case PriorityAttribute priority:
builder.Priority = priority.Priority;
break;
case SummaryAttribute summary:
builder.Summary = summary.Text;
break;
case RemarksAttribute remarks:
builder.Remarks = remarks.Text;
break;
case AliasAttribute alias:
builder.AddAliases(alias.Aliases);
break;
case PreconditionAttribute precondition:
builder.AddPrecondition(precondition);
break;
default:
builder.AddAttributes(attribute);
break;
}
}
if (builder.Name == null)
{
builder.Name = method.Name;
}
var parameters = method.GetParameters();
int pos = 0, count = parameters.Length;
foreach (var paramInfo in parameters)
{
builder.AddParameter((parameter) =>
{
BuildParameter(parameter, paramInfo, pos++, count, service);
});
}
var createInstance = ReflectionUtils.CreateBuilder <IModuleBase>(typeInfo, service);
async Task <IResult> ExecuteCallback(ICommandContext context, object[] args, IServiceProvider services, CommandInfo cmd)
{
var instance = createInstance(services);
instance.SetContext(context);
try
{
instance.BeforeExecute(cmd);
var task = method.Invoke(instance, args) as Task ?? Task.Delay(0);
if (task is Task <RuntimeResult> resultTask)
{
return(await resultTask.ConfigureAwait(false));
}
else
{
await task.ConfigureAwait(false);
return(ExecuteResult.FromSuccess());
}
}
finally
{
instance.AfterExecute(cmd);
(instance as IDisposable)?.Dispose();
}
}
builder.Callback = ExecuteCallback;
}
private static void BuildCommand(CommandBuilder builder, TypeInfo typeInfo, MethodInfo method, CommandService service)
{
var attributes = method.GetCustomAttributes();
foreach (var attribute in attributes)
{
// TODO: C#7 type switch
if (attribute is CommandAttribute)
{
var cmdAttr = attribute as CommandAttribute;
builder.AddAliases(cmdAttr.Text);
builder.RunMode = cmdAttr.RunMode;
builder.Name = builder.Name ?? cmdAttr.Text;
}
else if (attribute is NameAttribute)
{
builder.Name = (attribute as NameAttribute).Text;
}
else if (attribute is PriorityAttribute)
{
builder.Priority = (attribute as PriorityAttribute).Priority;
}
else if (attribute is SummaryAttribute)
{
builder.Summary = (attribute as SummaryAttribute).Text;
}
else if (attribute is RemarksAttribute)
{
builder.Remarks = (attribute as RemarksAttribute).Text;
}
else if (attribute is AliasAttribute)
{
builder.AddAliases((attribute as AliasAttribute).Aliases);
}
else if (attribute is PreconditionAttribute)
{
builder.AddPrecondition(attribute as PreconditionAttribute);
}
}
if (builder.Name == null)
{
builder.Name = method.Name;
}
var parameters = method.GetParameters();
int pos = 0, count = parameters.Length;
foreach (var paramInfo in parameters)
{
builder.AddParameter((parameter) =>
{
BuildParameter(parameter, paramInfo, pos++, count, service);
});
}
var createInstance = ReflectionUtils.CreateBuilder <IModuleBase>(typeInfo, service);
builder.Callback = (ctx, args, map) =>
{
var instance = createInstance(map);
instance.SetContext(ctx);
try
{
instance.BeforeExecute();
return(method.Invoke(instance, args) as Task ?? Task.Delay(0));
}
finally
{
instance.AfterExecute();
(instance as IDisposable)?.Dispose();
}
};
}
