vojtech@29: /**
vojtech@29:  * parameter-lister (Rust implementation)
vojtech@29:  * Copyright © 2016 Vojtěch Král <vojtech@kral.hk>
vojtech@29:  *
vojtech@29:  * This program is free software: you can redistribute it and/or modify
vojtech@29:  * it under the terms of the GNU General Public License as published by
vojtech@29:  * the Free Software Foundation, either version 3 of the License, or
vojtech@29:  * (at your option) any later version.
vojtech@29:  *
vojtech@29:  * This program is distributed in the hope that it will be useful,
vojtech@29:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
vojtech@29:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
vojtech@29:  * GNU General Public License for more details.
vojtech@29:  *
vojtech@29:  * You should have received a copy of the GNU General Public License
vojtech@29:  * along with this program. If not, see <http://www.gnu.org/licenses/>.
vojtech@29:  */
vojtech@29: use std::collections::HashMap;
vojtech@29: use std::env;
vojtech@29: use std::io;
vojtech@29: 
vojtech@29: mod outputmodule;
vojtech@29: mod terminalmodule;
vojtech@29: mod xmlmodule;
vojtech@29: 
vojtech@29: use outputmodule::OutputModule;
vojtech@29: use terminalmodule::TerminalModule;
vojtech@29: use xmlmodule::XMLModule;
vojtech@29: 
vojtech@29: static ENV_OUTPUT_MODULE_NAME: &'static str = "PARAMETER_LISTER_OUTPUT";
vojtech@29: 
vojtech@29: 
vojtech@29: fn main() {
vojtech@29: 	let mut modules: HashMap<_, Box<OutputModule>> = HashMap::new();
vojtech@29: 	modules.insert(terminalmodule::MOD_NAME, Box::new(TerminalModule::new()));
vojtech@29: 	modules.insert(xmlmodule::MOD_NAME, Box::new(XMLModule::new()));
vojtech@29: 
vojtech@29: 	let module_name = env::var(ENV_OUTPUT_MODULE_NAME).unwrap_or(String::from("terminal"));
vojtech@29: 	let module = modules.get(&*module_name).expect(&*format!("No such module: {}", module_name));
vojtech@29: 
vojtech@29: 	match module.process(&mut io::stdout(), env::args().collect()) {
vojtech@29: 		Ok(()) => {},
vojtech@29: 		Err(msg) => panic!("Error while processing output with module {}: {}", module_name, msg),
vojtech@29: 	}
vojtech@29: }