7f0a7b2247
So far this new meta doesn’t work for the BTreeMap<Lang, String> pattern, which is often used to provide multiple versions of a payload. skip-changelog: This isn’t a user-facing change.
111 lines
3.2 KiB
Rust
111 lines
3.2 KiB
Rust
// Copyright (c) 2018 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 xso::{AsXml, FromXml};
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use jid::BareJid;
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use crate::ns;
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/// The stream opening for client-server communications.
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#[derive(FromXml, AsXml, PartialEq, Debug, Clone)]
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#[xml(namespace = ns::STREAM, name = "stream")]
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pub struct Stream {
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/// The JID of the entity opening this stream.
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#[xml(attribute(default))]
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pub from: Option<BareJid>,
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/// The JID of the entity receiving this stream opening.
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#[xml(attribute(default))]
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to: Option<BareJid>,
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/// The id of the stream, used for authentication challenges.
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#[xml(attribute(default))]
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id: Option<String>,
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/// The XMPP version used during this stream.
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#[xml(attribute(default))]
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version: Option<String>,
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/// The default human language for all subsequent stanzas, which will
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/// be transmitted to other entities for better localisation.
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#[xml(lang(default))]
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xml_lang: Option<String>,
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}
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impl Stream {
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/// Creates a simple client→server `<stream:stream>` element.
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pub fn new(to: BareJid) -> Stream {
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Stream {
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from: None,
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to: Some(to),
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id: None,
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version: Some(String::from("1.0")),
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xml_lang: None,
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}
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}
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/// Sets the [@from](#structfield.from) attribute on this `<stream:stream>`
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/// element.
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pub fn with_from(mut self, from: BareJid) -> Stream {
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self.from = Some(from);
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self
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}
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/// Sets the [@id](#structfield.id) attribute on this `<stream:stream>`
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/// element.
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pub fn with_id(mut self, id: String) -> Stream {
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self.id = Some(id);
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self
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}
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/// Sets the [@xml:lang](#structfield.xml_lang) attribute on this
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/// `<stream:stream>` element.
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pub fn with_lang(mut self, xml_lang: String) -> Stream {
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self.xml_lang = Some(xml_lang);
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self
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}
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/// Checks whether the version matches the expected one.
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pub fn is_version(&self, version: &str) -> bool {
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match self.version {
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None => false,
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Some(ref self_version) => self_version == &String::from(version),
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}
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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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use minidom::Element;
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#[cfg(target_pointer_width = "32")]
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#[test]
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fn test_size() {
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assert_size!(Stream, 68);
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}
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#[cfg(target_pointer_width = "64")]
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#[test]
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fn test_size() {
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assert_size!(Stream, 136);
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}
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#[test]
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fn test_simple() {
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let elem: Element = "<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' xml:lang='en' version='1.0' id='abc' from='some-server.example'/>".parse().unwrap();
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let stream = Stream::try_from(elem).unwrap();
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assert_eq!(
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stream.from,
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Some(BareJid::new("some-server.example").unwrap())
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);
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assert_eq!(stream.to, None);
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assert_eq!(stream.id, Some(String::from("abc")));
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assert_eq!(stream.version, Some(String::from("1.0")));
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assert_eq!(stream.xml_lang, Some(String::from("en")));
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}
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}
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