private bool GenerateArgSpec(IDevCommand command)
{
command.HelpTextFull = command.Name + " - " + command.HelpTextBrief + "\n";
command.Arguments.Clear();
command.Options.Clear();
// NOTE: Unfortunately, Microsoft says the order of members returned by "GetMembers" is indeterminate: https://msdn.microsoft.com/en-us/library/424c79hc(v=vs.110).aspx
// Currently I depend on the order they appear in the source file for 'order of arguments', at least for making optional arguments appear after IsRequired arguments.
// potential solution: Sort by 'IsRequired'.
var argMembers = command.GetType()
.GetMembers(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
.Where(e => Attribute.IsDefined(e, typeof(DevCommandArgumentAttribute)));
foreach (var m in argMembers)
{
if (m is PropertyInfo)
{
var propertyInfo = m as PropertyInfo;
var argInstance = propertyInfo.GetValue(command, null) as Argument;
command.Arguments.Add(argInstance);
command.HelpTextFull += " " + (argInstance.IsRequired ? "" : "[") + ArgumentTextDescription(argInstance);
command.HelpTextFull += (argInstance.IsRequired ? "" : "]") + "\n";
if (argInstance.HelpText.Length > 0)
{
command.HelpTextFull += " " + argInstance.HelpText + "\n";
}
}
else
{
Debug.Log("Member found, not Property but " + m.MemberType + ": " + m.Name);
return(false);
}
}
var optionMembers = command.GetType()
.GetMembers(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
.Where(e => Attribute.IsDefined(e, typeof(DevCommandOptionAttribute)));
foreach (var m in optionMembers)
{
if (m is PropertyInfo)
{
var propertyInfo = m as PropertyInfo;
var optionInstance = propertyInfo.GetValue(command, null) as Option;
command.Options.Add(optionInstance);
command.HelpTextFull += " -" + optionInstance.Name;
foreach (var optionArg in optionInstance.Arguments)
{
command.HelpTextFull += " " + (optionArg.IsRequired ? "" : "[") + ArgumentTextDescription(optionArg);
command.HelpTextFull += (optionArg.IsRequired ? "" : "]");
}
command.HelpTextFull += "\n";
if (optionInstance.HelpText.Length > 0)
{
command.HelpTextFull += " " + optionInstance.HelpText + "\n";
}
foreach (var optionArg in optionInstance.Arguments)
{
if (optionArg.HelpText.Length > 0)
{
command.HelpTextFull += " Note on " + optionArg.Name + ": " + optionArg.HelpText + "\n";
}
}
}
else
{
Debug.Log("Member found, not Property but " + m.MemberType + ": " + m.Name);
return(false);
}
}
return(true);
}
