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::io;
vojtech@29: 
vojtech@29: use outputmodule::*;
vojtech@29: 
vojtech@29: pub static MOD_NAME: &'static str = "xml";
vojtech@29: 
vojtech@29: 
vojtech@29: trait XMLEscape {
vojtech@29: 	fn xml_escape(self) -> Self;
vojtech@29: }
vojtech@29: 
vojtech@29: impl XMLEscape for String {
vojtech@29: 	fn xml_escape(self) -> String {
vojtech@29: 		self.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;")
vojtech@29: 	}
vojtech@29: }
vojtech@29: 
vojtech@29: 
vojtech@29: pub struct XMLModule;
vojtech@29: 
vojtech@29: impl XMLModule {
vojtech@29: 	pub fn new() -> XMLModule { XMLModule }
vojtech@29: 
vojtech@29: 	fn process_io(&self, output: &mut Write, parameters: Vec<String>) -> io::Result<()> {
vojtech@29: 		try!(write!(output, "<parameters>\n"));
vojtech@29: 		for p in parameters {
vojtech@29: 			try!(write!(output, "\t<parameter>{}</parameter>\n", p.xml_escape()));
vojtech@29: 		}
vojtech@29: 		try!(write!(output, "</parameters>\n"));
vojtech@29: 		Ok(())
vojtech@29: 	}
vojtech@29: }
vojtech@29: 
vojtech@29: impl OutputModule for XMLModule {
vojtech@29: 	fn process(&self, output: &mut Write, parameters: Vec<String>) -> Result<(), String> {
vojtech@29: 		match self.process_io(output, parameters) {
vojtech@29: 			Ok(()) => Ok(()),
vojtech@29: 			Err(err) => Err(format!("{}", err)),
vojtech@29: 		}
vojtech@29: 	}
vojtech@29: }