added config file support

logger.gd

@@ -7,7 +7,11 @@
 extends Node # Needed to work as a singleton
 
 signal logged
+signal module_enabled_changed
 
+var _config_file = null
+var _config_file_path = null
+
 ##================##
 ## Inner classes  ##
 ##================##
@@ -644,3 +648,70 @@ func _exit_tree():
 			continue
 		logfile.flush_buffer()
 		processed_logfiles.append(logfile)
+
+func _save_config_file():
+	_config_file.save(_config_file_path)
+
+func _load_config_file():
+	_config_file = ConfigFile.new()
+	_config_file.load(_config_file_path)
+	set_output_level(_config_file.get_value("settings", "output_level", INFO))
+
+func set_output_level(val: int) -> void:
+	set_default_output_level(val)
+
+	for mname in get_modules():
+		get_module(mname).output_level = val
+
+	info("logging level set to %s" % LEVELS[val])
+	_config_file.set_value("settings", "output_level", val)
+	_save_config_file()	
+
+func _set_module_enabled_internal(mname: String, enable: bool) -> void:
+	var module = get_module(mname)
+
+	if enable:
+		module.set_output_strategy(STRATEGY_FILE | STRATEGY_PRINT)
+	else:
+		module.set_output_strategy(STRATEGY_MUTE)
+
+func start(config_file_path, log_file_path, mlist: Array = []):
+	assert(_config_file_path == null)
+	assert(config_file_path != null)
+
+	_config_file_path = config_file_path
+	_load_config_file()
+
+	set_default_logfile_path(log_file_path)
+	set_default_output_strategy(STRATEGY_PRINT | STRATEGY_FILE)
+
+	# in case we already logged something, reset the output level of the modules
+	for m in get_modules():
+		get_module(m).output_level = default_output_level
+
+	var mnames = []
+	if _config_file.has_section("modules"):
+		mnames = _config_file.get_section_keys("modules")
+
+	for m in mlist:
+		mnames.append(m)
+
+	for mname in mnames:
+		if !get_modules().has(mname):
+			add_module(mname)
+		_set_module_enabled_internal(mname, is_module_enabled(mname))
+		get_module(mname).output_level = default_output_level
+
+	var stripped_name = log_file_path.replace("user:/", OS.get_user_data_dir())
+	info("logging to %s" % stripped_name)
+	_save_config_file()
+
+func is_module_enabled(mname: String) -> bool:
+	var default = mname.find("debug") == -1
+	return _config_file.get_value("modules", mname, default)
+
+func set_module_enabled(mname: String, enable: bool) -> void:
+	_config_file.set_value("modules", mname, enable)
+	_set_module_enabled_internal(mname, enable)
+	emit_signal("module_enabled_changed", mname, enable)
+	_save_config_file()