jean_io/formats/gff3/data/
feature.rs

1use std::collections::HashMap;
2
3use super::Strand;
4
5#[derive(Debug, Clone, PartialEq)]
6pub struct Entry {
7  pub id: String,
8  pub source: Option<String>,
9  pub feature_type: String,
10  pub start: usize,
11  pub end: usize,
12  pub score: Option<f64>,
13  pub strand: Option<Strand>,
14  pub phase: Option<u8>,
15  pub attributes: Option<HashMap<String, String>>,
16}
17
18fn maybe<T>(t: &Option<T>) -> String
19where
20  T: std::fmt::Display,
21{
22  match t {
23    Some(t) => t.to_string(),
24    None => ".".to_owned(),
25  }
26}
27
28impl std::fmt::Display for Entry {
29  fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
30    let empty = ".".to_string();
31
32    /* seqid */
33    let _1 = &self.id;
34
35    /* source */
36    let _2 = maybe(&self.source);
37
38    /* type */
39    let _3 = &self.feature_type;
40
41    /* start / end  */
42    let _4 = &self.start.to_string();
43    let _5 = &self.end.to_string();
44
45    /* score */
46    let _6 = maybe(&self.score);
47
48    /* strand */
49    let _7 = maybe(&self.strand);
50
51    /* phase */
52    let _8 = maybe(&self.phase);
53
54    /* attributes */
55    let _9 = match &self.attributes {
56      Some(attributes) => attributes
57        .iter()
58        .map(|(k, v)| format!("{k}={v}"))
59        .collect::<Vec<String>>()
60        .join(";"),
61      None => empty.clone(),
62    };
63
64    write!(f, "{_1}\t{_2}\t{_3}\t{_4}\t{_5}\t{_6}\t{_7}\t{_8}\t{_9}")
65  }
66}
jean_io/formats/gff3/data/feature.rs

jean_io/formats/gff3/data/
feature.rs
