diff -r bfef9f34e438 -r 2d2eaba76d70 rust/parameter-lister/src/xmlmodule.rs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rust/parameter-lister/src/xmlmodule.rs	Sat Oct 01 16:19:20 2016 +0200
@@ -0,0 +1,58 @@
+/**
+ * parameter-lister (Rust implementation)
+ * Copyright © 2016 Vojtěch Král <vojtech@kral.hk>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+use std::io;
+
+use outputmodule::*;
+
+pub static MOD_NAME: &'static str = "xml";
+
+
+trait XMLEscape {
+	fn xml_escape(self) -> Self;
+}
+
+impl XMLEscape for String {
+	fn xml_escape(self) -> String {
+		self.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;")
+	}
+}
+
+
+pub struct XMLModule;
+
+impl XMLModule {
+	pub fn new() -> XMLModule { XMLModule }
+
+	fn process_io(&self, output: &mut Write, parameters: Vec<String>) -> io::Result<()> {
+		try!(write!(output, "<parameters>\n"));
+		for p in parameters {
+			try!(write!(output, "\t<parameter>{}</parameter>\n", p.xml_escape()));
+		}
+		try!(write!(output, "</parameters>\n"));
+		Ok(())
+	}
+}
+
+impl OutputModule for XMLModule {
+	fn process(&self, output: &mut Write, parameters: Vec<String>) -> Result<(), String> {
+		match self.process_io(output, parameters) {
+			Ok(()) => Ok(()),
+			Err(err) => Err(format!("{}", err)),
+		}
+	}
+}