private bool CanExecute <T>(int argsCount) where T : class
{
Type type = typeof(T);
List <MethodInfo> methods = CClassUtils.ListInstanceMethods(type, delegate(MethodInfo method)
{
return(method.Name.Equals("Execute"));
});
Assert.AreEqual(1, methods.Count);
return(CCommandUtils.CanInvokeMethodWithArgsCount(methods[0], argsCount));
}
private MethodInfo resolveExecuteMethod(String[] args)
{
if (executeMethods == null)
{
executeMethods = resolveExecuteMethods();
}
MethodInfo method = null;
foreach (MethodInfo m in executeMethods)
{
if (CCommandUtils.CanInvokeMethodWithArgsCount(m, args.Length))
{
if (method != null) // multiple methods found
{
return(null);
}
method = m;
}
}
return(method);
}
protected virtual String[] GetUsageArgs()
{
if (m_values != null && m_values.Length > 0)
{
return(new String[] { " " + StringUtils.Join(m_values, "|") });
}
if (executeMethods == null)
{
executeMethods = resolveExecuteMethods();
}
if (executeMethods.Length > 0)
{
String[] result = new String[executeMethods.Length];
for (int i = 0; i < result.Length; ++i)
{
result[i] = CCommandUtils.GetMethodParamsUsage(executeMethods[i]);
}
return(result);
}
return(null);
}
private void ParseOption(Iterator <string> iter, Option opt) // FIXME: fix '-' and '--' args
{
Type type = opt.Target.FieldType;
opt.IsHandled = true;
if (type == typeof(int))
{
object value = CCommandUtils.NextIntArg(iter);
CheckValue(opt, value);
opt.Target.SetValue(this, value);
}
else if (type == typeof(bool))
{
opt.Target.SetValue(this, true);
}
else if (type == typeof(float))
{
object value = CCommandUtils.NextFloatArg(iter);
CheckValue(opt, value);
opt.Target.SetValue(this, value);
}
else if (type == typeof(string))
{
string value = CCommandUtils.NextArg(iter);
CheckValue(opt, value);
opt.Target.SetValue(this, value);
}
else if (type == typeof(string[]))
{
string[] arr = (string[])opt.Target.GetValue(this);
if (arr == null)
{
throw new CCommandException("Field should be initialized: " + opt.Target.Name);
}
for (int i = 0; i < arr.Length; ++i)
{
arr[i] = CCommandUtils.NextArg(iter);
}
}
else if (type == typeof(int[]))
{
int[] arr = (int[])opt.Target.GetValue(this);
if (arr == null)
{
throw new CCommandException("Field should be initialized: " + opt.Target.Name);
}
for (int i = 0; i < arr.Length; ++i)
{
arr[i] = CCommandUtils.NextIntArg(iter);
}
}
else if (type == typeof(float[]))
{
float[] arr = (float[])opt.Target.GetValue(this);
if (arr == null)
{
throw new CCommandException("Field should be initialized: " + opt.Target.Name);
}
for (int i = 0; i < arr.Length; ++i)
{
arr[i] = CCommandUtils.NextFloatArg(iter);
}
}
else if (type == typeof(bool[]))
{
bool[] arr = (bool[])opt.Target.GetValue(this);
if (arr == null)
{
throw new CCommandException("Field should be initialized: " + opt.Target.Name);
}
for (int i = 0; i < arr.Length; ++i)
{
arr[i] = CCommandUtils.NextBoolArg(iter);
}
}
else
{
throw new CCommandException("Unsupported field type: " + type);
}
}
private bool ExecuteGuarded(IList <string> tokens, string commandLine = null)
{
ResetOptions();
Iterator <string> iter = new Iterator <string>(tokens);
iter.Next(); // first token is a command name
if (this.IsManualMode)
{
PrintPrompt(commandLine);
}
if (this.IsPlayModeOnly && !Runtime.IsPlaying)
{
PrintError("Command is available in the play mode only");
return(false);
}
ReusableList <string> argsList = ReusableLists.NextAutoRecycleList <string>();
while (iter.HasNext())
{
string token = StringUtils.UnArg(iter.Next());
// first, try to parse options
if (!TryParseOption(iter, token))
{
// consume the rest of the args
argsList.Add(token);
while (iter.HasNext())
{
token = StringUtils.UnArg(iter.Next());
argsList.Add(token);
}
break;
}
}
if (m_values != null)
{
if (argsList.Count != 1)
{
PrintError("Unexpected arguments count {0}", argsList.Count);
PrintUsage();
return(false);
}
string arg = argsList[0];
if (Array.IndexOf(m_values, arg) == -1)
{
PrintError("Unexpected argument '{0}'", arg);
PrintUsage();
return(false);
}
}
if (m_options != null)
{
for (int i = 0; i < m_options.Count; ++i)
{
Option opt = m_options[i];
if (opt.IsRequired && !opt.IsHandled)
{
PrintError("Missing required option --{0}{1}", opt.Name, opt.ShortName != null ? "(-" + opt.ShortName + ")" : "");
PrintUsage();
return(false);
}
}
}
string[] args = argsList.Count > 0 ? argsList.ToArray() : EMPTY_COMMAND_ARGS;
MethodInfo executeMethod = resolveExecuteMethod(args);
if (executeMethod == null)
{
PrintError("Wrong arguments");
PrintUsage();
return(false);
}
return(CCommandUtils.Invoke(this, executeMethod, args));
}
