87 lines
2.5 KiB
Rust
87 lines
2.5 KiB
Rust
// Copyright (c) 2017 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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use try_from::TryFrom;
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use minidom::Element;
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use error::Error;
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use delay::Delay;
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use message::Message;
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use ns;
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#[derive(Debug, Clone)]
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pub struct Forwarded {
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pub delay: Option<Delay>,
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// XXX: really? Option?
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pub stanza: Option<Message>,
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}
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impl TryFrom<Element> for Forwarded {
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type Err = Error;
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fn try_from(elem: Element) -> Result<Forwarded, Error> {
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check_self!(elem, "forwarded", ns::FORWARD);
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let mut delay = None;
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let mut stanza = None;
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for child in elem.children() {
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if child.is("delay", ns::DELAY) {
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delay = Some(Delay::try_from(child.clone())?);
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} else if child.is("message", ns::DEFAULT_NS) {
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stanza = Some(Message::try_from(child.clone())?);
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// TODO: also handle the two other possibilities.
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} else {
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return Err(Error::ParseError("Unknown child in forwarded element."));
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}
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}
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Ok(Forwarded {
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delay: delay,
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stanza: stanza,
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})
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}
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}
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impl From<Forwarded> for Element {
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fn from(forwarded: Forwarded) -> Element {
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Element::builder("forwarded")
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.ns(ns::FORWARD)
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.append(forwarded.delay.map(Element::from))
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.append(forwarded.stanza.map(Element::from))
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.build()
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_simple() {
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let elem: Element = "<forwarded xmlns='urn:xmpp:forward:0'/>".parse().unwrap();
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Forwarded::try_from(elem).unwrap();
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}
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#[test]
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fn test_invalid_child() {
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let elem: Element = "<forwarded xmlns='urn:xmpp:forward:0'><coucou/></forwarded>".parse().unwrap();
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let error = Forwarded::try_from(elem).unwrap_err();
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let message = match error {
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Error::ParseError(string) => string,
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_ => panic!(),
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};
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assert_eq!(message, "Unknown child in forwarded element.");
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}
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#[test]
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fn test_serialise() {
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let elem: Element = "<forwarded xmlns='urn:xmpp:forward:0'/>".parse().unwrap();
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let forwarded = Forwarded { delay: None, stanza: None };
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let elem2 = forwarded.into();
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assert_eq!(elem, elem2);
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}
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}
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