xmpp_parsers/
jingle_grouping.rs

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1// Copyright (c) 2020 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
2//
3// This Source Code Form is subject to the terms of the Mozilla Public
4// License, v. 2.0. If a copy of the MPL was not distributed with this
5// file, You can obtain one at http://mozilla.org/MPL/2.0/.
6
7use xso::{AsXml, FromXml};
8
9use crate::jingle::ContentId;
10use crate::ns;
11
12generate_attribute!(
13    /// The semantics of the grouping.
14    Semantics, "semantics", {
15        /// Lip synchronsation.
16        Ls => "LS",
17
18        /// Bundle.
19        Bundle => "BUNDLE",
20    }
21);
22
23/// Describes a content that should be grouped with other ones.
24#[derive(FromXml, AsXml, PartialEq, Debug, Clone)]
25#[xml(namespace = ns::JINGLE_GROUPING, name = "content")]
26pub struct Content {
27    /// The name of the matching [`Content`](crate::jingle::Content).
28    #[xml(attribute)]
29    pub name: ContentId,
30}
31
32impl Content {
33    /// Creates a new \<content/\> element.
34    pub fn new(name: &str) -> Content {
35        Content {
36            name: ContentId(name.to_string()),
37        }
38    }
39}
40
41/// A semantic group of contents.
42#[derive(FromXml, AsXml, PartialEq, Debug, Clone)]
43#[xml(namespace = ns::JINGLE_GROUPING, name = "group")]
44pub struct Group {
45    /// Semantics of the grouping.
46    #[xml(attribute)]
47    pub semantics: Semantics,
48
49    /// List of contents that should be grouped with each other.
50    #[xml(child(n = ..))]
51    pub contents: Vec<Content>,
52}
53
54#[cfg(test)]
55mod tests {
56    use super::*;
57    use minidom::Element;
58
59    #[cfg(target_pointer_width = "32")]
60    #[test]
61    fn test_size() {
62        assert_size!(Semantics, 1);
63        assert_size!(Content, 12);
64        assert_size!(Group, 16);
65    }
66
67    #[cfg(target_pointer_width = "64")]
68    #[test]
69    fn test_size() {
70        assert_size!(Semantics, 1);
71        assert_size!(Content, 24);
72        assert_size!(Group, 32);
73    }
74
75    #[test]
76    fn parse_group() {
77        let elem: Element = "<group xmlns='urn:xmpp:jingle:apps:grouping:0' semantics='BUNDLE'>
78            <content name='voice'/>
79            <content name='webcam'/>
80        </group>"
81            .parse()
82            .unwrap();
83        let group = Group::try_from(elem).unwrap();
84        assert_eq!(group.semantics, Semantics::Bundle);
85        assert_eq!(group.contents.len(), 2);
86        assert_eq!(
87            group.contents,
88            &[Content::new("voice"), Content::new("webcam")]
89        );
90    }
91}
xmpp_parsers/jingle_grouping.rs

xmpp_parsers/
jingle_grouping.rs
