OpenRA.Arguments.GetValue C# (CSharp) Method

        public string GetValue(string key, string defaultValue)
        {
            return Contains(key) ? args[key] : defaultValue;
        }

        public Settings(string file, Arguments args)
        {
            settingsFile = file;
            Sections     = new Dictionary <string, object>()
            {
                { "Player", Player },
                { "Game", Game },
                { "Sound", Sound },
                { "Graphics", Graphics },
                { "Server", Server },
                { "Debug", Debug },
                { "Keys", Keys },
                { "Irc", Irc }
            };

            // Override fieldloader to ignore invalid entries
            var err1 = FieldLoader.UnknownFieldAction;
            var err2 = FieldLoader.InvalidValueAction;

            FieldLoader.UnknownFieldAction = (s, f) => Console.WriteLine("Ignoring unknown field `{0}` on `{1}`".F(s, f.Name));

            if (File.Exists(settingsFile))
            {
                var yaml = MiniYaml.DictFromFile(settingsFile);

                foreach (var kv in Sections)
                {
                    if (yaml.ContainsKey(kv.Key))
                    {
                        LoadSectionYaml(yaml[kv.Key], kv.Value);
                    }
                }
            }

            // Override with commandline args
            foreach (var kv in Sections)
            {
                foreach (var f in kv.Value.GetType().GetFields())
                {
                    if (args.Contains(kv.Key + "." + f.Name))
                    {
                        FieldLoader.LoadField(kv.Value, f.Name, args.GetValue(kv.Key + "." + f.Name, ""));
                    }
                }
            }

            FieldLoader.UnknownFieldAction = err1;
            FieldLoader.InvalidValueAction = err2;
        }