public static CommandDefinition Define(string commandName, Type type)
{
CommandDefinition def = new CommandDefinition();
def.Name = commandName;
def.CommandType = type;
return def;
}
private string GetCommandHelpString(CommandDefinition cmdDef)
{
StringBuilder sb = new StringBuilder();
sb.AppendFormat("\n\n{0}:\t{1}\n", cmdDef.Name, cmdDef.Description);
sb.AppendFormat("\nParameters for {0}\n------------------\n", cmdDef.Name);
foreach (CommandOption opt in cmdDef.Options.Values)
{
if (opt.IsOptional)
{
sb.AppendFormat("[{0}]:\t{1}\n", opt.Name, opt.AdditionalHelp);
}
else
{
sb.AppendFormat("{0}:\t{1}\n", opt.Name, opt.AdditionalHelp);
}
}
return sb.ToString();
}
/// <summary>
/// Registers a command given that the command has command attribute and
/// parameters attributes
/// </summary>
/// <param name="typCommand"></param>
/// <returns></returns>
public bool RegisterCommand(Type typCommand)
{
CommandDefinition cd = new CommandDefinition();
object[] attrs = typCommand.GetCustomAttributes(typeof(CommandAttribute), true);
if (attrs.Length > 0)
{
// Create the command definition
CommandAttribute cmdAttr = attrs[0] as CommandAttribute;
cd.Name = cmdAttr.CommandName;
cd.CommandType = typCommand;
cd.Description = cmdAttr.CommandDescription;
// Now create the command parameters
PropertyInfo[] pInfos = typCommand.GetProperties();
foreach (PropertyInfo pinfo in pInfos)
{
attrs = pinfo.GetCustomAttributes(typeof(CommandParameterAttribute), true);
if (attrs.Length > 0)
{
CommandParameterAttribute parmAttr = attrs[0] as CommandParameterAttribute;
CommandOption opt = CommandOption.Opt(parmAttr.CommandParameter,
parmAttr.OptionType, parmAttr.IsOptional);
opt.AdditionalHelp = parmAttr.AdditionalHelpText;
cd.Options.Add(opt.Name, opt);
}
}
this.CommandDefinitions.Add(cd.Name, cd);
return true;
}
return false;
}