news_flash/util/
text2html.rs

1use once_cell::sync::Lazy;
2use regex::Regex;
3use std::fmt::Write;
4
5static COMPRESS_NEWLINES: Lazy<Regex> = Lazy::new(|| Regex::new(r"[\n]{2,}").expect("Failed to create RegEx"));
6
7pub struct Text2Html;
8
9impl Text2Html {
10    pub fn process(text: &str) -> String {
11        let text = COMPRESS_NEWLINES.replace_all(text, "\n\n");
12        text.split("\n\n")
13            .map(|s| s.trim())
14            .filter(|s| !s.is_empty())
15            .fold(String::new(), |mut output, s| {
16                let _ = writeln!(output, "<p>{}</p>", s.replace('\n', "<br>\n"));
17                output
18            })
19    }
20}
21
22#[cfg(test)]
23mod tests {
24    use super::Text2Html;
25    use test_log::test;
26
27    #[test]
28    pub fn youtube() {
29        let article = r#"
30Check Out Overview of PBS Terra: https://bit.ly/33otrUn
31
32
33
34If you rank the most habitable places in our solar system Venus lands pretty low, with surface temperatures hot enough to melt lead and sulphuric acid rain. And yet it may have just jumped to the front of the pack. In fact, we may have detected the signature of alien life - Venusian life -for the first time.
35
36
37
38Sign Up on Patreon to get access to the Space Time Discord! 
39https://www.patreon.com/pbsspacetime
40
41Check out the Space Time Merch Store
42https://pbsspacetime.com/
43
44Sign up for the mailing list to get episode notifications and hear special announcements!
45https://tinyurl.com/yx9cusk5
46
47Hosted by Matt O'Dowd
48Written by Matt O'Dowd
49Graphics by Leonardo Scholzer, Yago Ballarini, & Pedro Osinski
50Directed by: Andrew Kornhaber
51Camera Operator: Setare Gholipour
52Executive Producers: Eric Brown & Andrew Kornhaber
53
54Special Thanks to All our Supporters on Patreon!
55
56Big Bang
57Brodie Rao
58Scott Gray
59Robert Doxtator
60Ahmad Jodeh
61Caed Aldwych
62Radu Negulescu
63Alexander Tamas
64Morgan Hough
65Juan Benet
66Fabrice Eap
67Mark Rosenthal
68David Nicklas
69
70Quasar
71Alec S-L
72Christina Oegren
73Mark Heising
74Vinnie Falco
75
76Hypernova
77Lucas Morgan
78William Bryan
79Mark Matthew Bosko
80Justin Jermyn
81Jason Finn
82Антон Кочков
83Julian Tyacke
84Syed Ansar
85John R. Slavik
86Mathew
87Danton Spivey
88Donal Botkin
89John Pollock
90Edmund Fokschaner
91Joseph Salomone
92Matthew O'Connor
93Chuck Zegar
94Jordan Young
95Hank S
96John Hofmann
97Timothy McCulloch
98
99Gamma Ray Burst
100Sean Warniaha
101Tonyface
102John Robinson
103A G
104Kevin Lee
105Adrian Hatch
106Yurii Konovaliuk
107John Funai
108Cass Costello
109Geoffrey Short
110Bradley Jenkins
111Kyle Hofer
112Tim Stephani
113Luaan
114AlecZero
115Malte Ubl
116Nick Virtue
117Scott Gossett
118David Bethala
119Dan Warren
120Patrick Sutton
121John Griffith
122Daniel Lyons
123Josh Thomas
124DFaulk
125Kevin Warne
126Andreas Nautsch
127Brandon labonte
128Lucas Morgan
129"#;
130
131        let html = Text2Html::process(article);
132        let needle = "<p>Check Out Overview of PBS Terra: https://bit.ly/33otrUn</p>";
133        assert_eq!(needle, &html[..needle.len()]);
134    }
135}
news_flash/util/text2html.rs

news_flash/util/
text2html.rs
