xmpp-rs/src/forwarding.rs
2017-04-29 03:50:49 +01:00

78 lines
2.2 KiB
Rust

use minidom::{Element, IntoElements};
use minidom::convert::ElementEmitter;
use error::Error;
use delay;
use message;
use ns;
#[derive(Debug, Clone)]
pub struct Forwarded {
pub delay: Option<delay::Delay>,
// XXX: really? Option?
pub stanza: Option<message::Message>,
}
pub fn parse_forwarded(root: &Element) -> Result<Forwarded, Error> {
if !root.is("forwarded", ns::FORWARD) {
return Err(Error::ParseError("This is not a forwarded element."));
}
let mut delay = None;
let mut stanza = None;
for child in root.children() {
if child.is("delay", ns::DELAY) {
delay = Some(delay::parse_delay(child)?);
} else if child.is("message", ns::JABBER_CLIENT) {
stanza = Some(message::parse_message(child)?);
// TODO: also handle the five other possibilities.
} else {
return Err(Error::ParseError("Unknown child in forwarded element."));
}
}
Ok(Forwarded {
delay: delay,
stanza: stanza,
})
}
pub fn serialise(forwarded: &Forwarded) -> Element {
Element::builder("forwarded")
.ns(ns::FORWARD)
.append(forwarded.delay.clone())
.append(forwarded.stanza.clone())
.build()
}
#[cfg(test)]
mod tests {
use minidom::Element;
use error::Error;
use forwarding;
#[test]
fn test_simple() {
let elem: Element = "<forwarded xmlns='urn:xmpp:forward:0'/>".parse().unwrap();
forwarding::parse_forwarded(&elem).unwrap();
}
#[test]
fn test_invalid_child() {
let elem: Element = "<forwarded xmlns='urn:xmpp:forward:0'><coucou/></forwarded>".parse().unwrap();
let error = forwarding::parse_forwarded(&elem).unwrap_err();
let message = match error {
Error::ParseError(string) => string,
_ => panic!(),
};
assert_eq!(message, "Unknown child in forwarded element.");
}
#[test]
fn test_serialise() {
let elem: Element = "<forwarded xmlns='urn:xmpp:forward:0'/>".parse().unwrap();
let forwarded = forwarding::Forwarded { delay: None, stanza: None };
let elem2 = forwarding::serialise(&forwarded);
assert_eq!(elem, elem2);
}
}