private static MethodBindResult BindMethod(Type type, string defaultMethodName, CommandLineArguments arguments)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
if (arguments == null)
{
throw new ArgumentNullException("arguments");
}
if (string.IsNullOrEmpty(defaultMethodName))
{
defaultMethodName = null;
}
var allMethods = type.GetTypeInfo().GetAllMethods().Where(IsValidCommandSignature).ToList();
allMethods.Sort((x, y) => y.GetParameters().Length.CompareTo(x.GetParameters().Length));
var methodName = default(string);
var bestMatchResult = default(MethodBindResult);
if (arguments.ContainsKey("0"))
{
var newArguments = new CommandLineArguments(arguments);
methodName = TypeConvert.ToString(newArguments["0"]);
newArguments.RemoveAt(0);
var result = BindMethod(allMethods, methodName, newArguments);
if (result.IsSuccess)
{
return(result);
}
bestMatchResult = result;
}
if (string.IsNullOrEmpty(defaultMethodName) == false)
{
methodName = defaultMethodName;
var result = BindMethod(allMethods, defaultMethodName, arguments);
if (result.IsSuccess)
{
return(result);
}
bestMatchResult = bestMatchResult ?? result;
}
if (string.IsNullOrEmpty(methodName))
{
methodName = UnknownMethodName;
}
bestMatchResult = bestMatchResult ?? new MethodBindResult(methodName, MethodBindResult.EmptyFailedMethodBindings);
return(bestMatchResult);
}
private static MethodBindResult BindMethod(Type type, string defaultMethodName, CommandLineArguments arguments)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
if (arguments == null)
{
throw new ArgumentNullException("arguments");
}
var methodName = defaultMethodName;
if (arguments.ContainsKey("0"))
{
arguments = new CommandLineArguments(arguments);
methodName = TypeConvert.ToString(arguments["0"]);
arguments.RemoveAt(0);
}
var candidate = default(MethodInfo);
var allMethods = type.GetMethods(BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public);
Array.Sort(allMethods, (x, y) => y.GetParameters().Length.CompareTo(x.GetParameters().Length));
foreach (var method in allMethods)
{
if (string.Equals(method.Name, methodName, StringComparison.OrdinalIgnoreCase) == false || !method.IsStatic || method.ReturnType != typeof(int) || IsHidden(method))
{
continue;
}
candidate = method;
var parameters = method.GetParameters();
var methodArgs = new object[parameters.Length];
foreach (var parameter in parameters)
{
var value = default(object);
if (TryBindParameter(parameter, arguments, out value) == false)
{
goto nextMethod;
}
methodArgs[parameter.Position] = value;
}
return(new MethodBindResult(method, methodArgs));
nextMethod:
;
}
return(new MethodBindResult(methodName, candidate));
}
