108 lines
2.9 KiB
Rust
108 lines
2.9 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 ns;
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#[derive(Debug, Clone)]
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pub struct Request;
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impl TryFrom<Element> for Request {
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type Err = Error;
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fn try_from(elem: Element) -> Result<Request, Error> {
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if !elem.is("request", ns::RECEIPTS) {
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return Err(Error::ParseError("This is not a request element."));
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}
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for _ in elem.children() {
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return Err(Error::ParseError("Unknown child in request element."));
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}
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for _ in elem.attrs() {
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return Err(Error::ParseError("Unknown attribute in request element."));
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}
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Ok(Request)
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}
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}
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impl From<Request> for Element {
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fn from(_: Request) -> Element {
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Element::builder("request")
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.ns(ns::RECEIPTS)
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.build()
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}
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}
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#[derive(Debug, Clone)]
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pub struct Received {
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pub id: Option<String>,
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}
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impl TryFrom<Element> for Received {
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type Err = Error;
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fn try_from(elem: Element) -> Result<Received, Error> {
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if !elem.is("received", ns::RECEIPTS) {
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return Err(Error::ParseError("This is not a received element."));
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}
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for _ in elem.children() {
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return Err(Error::ParseError("Unknown child in received element."));
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}
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for (attr, _) in elem.attrs() {
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if attr != "id" {
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return Err(Error::ParseError("Unknown attribute in received element."));
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}
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}
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Ok(Received {
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id: get_attr!(elem, "id", optional),
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})
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}
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}
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impl From<Received> for Element {
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fn from(received: Received) -> Element {
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Element::builder("received")
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.ns(ns::RECEIPTS)
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.attr("id", received.id)
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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 = "<request xmlns='urn:xmpp:receipts'/>".parse().unwrap();
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Request::try_from(elem).unwrap();
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let elem: Element = "<received xmlns='urn:xmpp:receipts'/>".parse().unwrap();
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Received::try_from(elem).unwrap();
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let elem: Element = "<received xmlns='urn:xmpp:receipts' id='coucou'/>".parse().unwrap();
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Received::try_from(elem).unwrap();
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}
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#[test]
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fn test_serialise() {
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let receipt = Request;
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let elem: Element = receipt.into();
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assert!(elem.is("request", ns::RECEIPTS));
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assert_eq!(elem.attrs().count(), 0);
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let receipt = Received {
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id: Some(String::from("coucou")),
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};
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let elem: Element = receipt.into();
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assert!(elem.is("received", ns::RECEIPTS));
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assert_eq!(elem.attr("id"), Some("coucou"));
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}
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}
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