xmpp_parsers/
tune.rs

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1// Copyright (c) 2019 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::ns;
10use crate::pubsub::PubSubPayload;
11
12generate_elem_id!(
13    /// The artist or performer of the song or piece.
14    Artist,
15    "artist",
16    TUNE
17);
18
19generate_elem_id!(
20    /// The duration of the song or piece in seconds.
21    Length,
22    "length",
23    TUNE,
24    u16
25);
26
27generate_elem_id!(
28    /// The user's rating of the song or piece, from 1 (lowest) to 10 (highest).
29    Rating,
30    "rating",
31    TUNE,
32    u8
33);
34
35generate_elem_id!(
36    /// The collection (e.g., album) or other source (e.g., a band website that hosts streams or
37    /// audio files).
38    Source,
39    "source",
40    TUNE
41);
42
43generate_elem_id!(
44    /// The title of the song or piece.
45    Title,
46    "title",
47    TUNE
48);
49
50generate_elem_id!(
51    /// A unique identifier for the tune; e.g., the track number within a collection or the
52    /// specific URI for the object (e.g., a stream or audio file).
53    Track,
54    "track",
55    TUNE
56);
57
58generate_elem_id!(
59    /// A URI or URL pointing to information about the song, collection, or artist.
60    Uri,
61    "uri",
62    TUNE
63);
64
65/// Container for formatted text.
66#[derive(FromXml, AsXml, Debug, Clone, PartialEq)]
67#[xml(namespace = ns::TUNE, name = "tune")]
68pub struct Tune {
69    /// The artist or performer of the song or piece.
70    #[xml(child(default))]
71    artist: Option<Artist>,
72
73    /// The duration of the song or piece in seconds.
74    #[xml(child(default))]
75    length: Option<Length>,
76
77    /// The user's rating of the song or piece, from 1 (lowest) to 10 (highest).
78    #[xml(child(default))]
79    rating: Option<Rating>,
80
81    /// The collection (e.g., album) or other source (e.g., a band website that hosts streams or
82    /// audio files).
83    #[xml(child(default))]
84    source: Option<Source>,
85
86    /// The title of the song or piece.
87    #[xml(child(default))]
88    title: Option<Title>,
89
90    /// A unique identifier for the tune; e.g., the track number within a collection or the
91    /// specific URI for the object (e.g., a stream or audio file).
92    #[xml(child(default))]
93    track: Option<Track>,
94
95    /// A URI or URL pointing to information about the song, collection, or artist.
96    #[xml(child(default))]
97    uri: Option<Uri>,
98}
99
100impl PubSubPayload for Tune {}
101
102impl Tune {
103    /// Construct an empty `<tune/>` element.
104    pub fn new() -> Tune {
105        Tune {
106            artist: None,
107            length: None,
108            rating: None,
109            source: None,
110            title: None,
111            track: None,
112            uri: None,
113        }
114    }
115}
116
117#[cfg(test)]
118mod tests {
119    use super::*;
120    use core::str::FromStr;
121    use minidom::Element;
122
123    #[cfg(target_pointer_width = "32")]
124    #[test]
125    fn test_size() {
126        assert_size!(Tune, 68);
127        assert_size!(Artist, 12);
128        assert_size!(Length, 2);
129        assert_size!(Rating, 1);
130        assert_size!(Source, 12);
131        assert_size!(Title, 12);
132        assert_size!(Track, 12);
133        assert_size!(Uri, 12);
134    }
135
136    #[cfg(target_pointer_width = "64")]
137    #[test]
138    fn test_size() {
139        assert_size!(Tune, 128);
140        assert_size!(Artist, 24);
141        assert_size!(Length, 2);
142        assert_size!(Rating, 1);
143        assert_size!(Source, 24);
144        assert_size!(Title, 24);
145        assert_size!(Track, 24);
146        assert_size!(Uri, 24);
147    }
148
149    #[test]
150    fn empty() {
151        let elem: Element = "<tune xmlns='http://jabber.org/protocol/tune'/>"
152            .parse()
153            .unwrap();
154        let elem2 = elem.clone();
155        let tune = Tune::try_from(elem).unwrap();
156        assert!(tune.artist.is_none());
157        assert!(tune.length.is_none());
158        assert!(tune.rating.is_none());
159        assert!(tune.source.is_none());
160        assert!(tune.title.is_none());
161        assert!(tune.track.is_none());
162        assert!(tune.uri.is_none());
163
164        let elem3 = tune.into();
165        assert_eq!(elem2, elem3);
166    }
167
168    #[test]
169    fn full() {
170        let elem: Element = "<tune xmlns='http://jabber.org/protocol/tune'><artist>Yes</artist><length>686</length><rating>8</rating><source>Yessongs</source><title>Heart of the Sunrise</title><track>3</track><uri>http://www.yesworld.com/lyrics/Fragile.html#9</uri></tune>"
171            .parse()
172            .unwrap();
173        let tune = Tune::try_from(elem).unwrap();
174        assert_eq!(tune.artist, Some(Artist::from_str("Yes").unwrap()));
175        assert_eq!(tune.length, Some(Length(686)));
176        assert_eq!(tune.rating, Some(Rating(8)));
177        assert_eq!(tune.source, Some(Source::from_str("Yessongs").unwrap()));
178        assert_eq!(
179            tune.title,
180            Some(Title::from_str("Heart of the Sunrise").unwrap())
181        );
182        assert_eq!(tune.track, Some(Track::from_str("3").unwrap()));
183        assert_eq!(
184            tune.uri,
185            Some(Uri::from_str("http://www.yesworld.com/lyrics/Fragile.html#9").unwrap())
186        );
187    }
188}
xmpp_parsers/tune.rs

xmpp_parsers/
tune.rs
