custom_info/
custom_info.rs

1
2fn main() {
3    slice::run();
4    string::run();
5}
6
7mod slice {
8    use std::ops::Range;
9    use splitter::{Info, Splitter};
10
11    pub fn run() {
12        #[derive(Default)]
13        struct CustomCtx {
14            cursor: usize,
15        }
16        
17        #[derive(Debug, PartialEq)]
18        struct Custom<'a, T> {
19            content: &'a [T],
20            span: Range<usize>,
21        }
22        
23        impl<'a, T> Info<'a, T> for Custom<'a, T> {
24            type Context = CustomCtx;
25            fn generate(ctx: &mut Self::Context, ts: &'a [T]) -> Self {
26                let start = ctx.cursor;
27                ctx.cursor += ts.len();
28                Custom { content: ts, span: start..ctx.cursor }
29            }
30        }
31        
32        let sp = Splitter::new(b"bytes example", b" ").with_info::<Custom<u8>>();
33        assert_eq!(
34            sp.collect::<Vec<_>>(),
35            vec![
36                Custom { content: b"bytes", span: 0..5 },
37                Custom { content: b" ", span: 5..6 },
38                Custom { content: b"example", span: 6..13 },
39            ],
40        );
41    }
42}
43
44mod string {
45    use std::ops::Range;
46    use splitter::{StrInfo, StrSplitter};
47
48    pub fn run() {
49        #[derive(Default)]
50        struct CustomCtx {
51            cursor: usize,
52        }
53        
54        #[derive(Debug, PartialEq)]
55        struct Custom<'a> {
56            content: &'a str,
57            span: Range<usize>,
58        }
59        
60        impl<'a> StrInfo<'a> for Custom<'a> {
61            type Context = CustomCtx;
62            fn generate(ctx: &mut Self::Context, s: &'a str) -> Self {
63                let start = ctx.cursor;
64                ctx.cursor += s.len();
65                Custom { content: s, span: start..ctx.cursor }
66            }
67        }
68        
69        let sp = StrSplitter::new("bytes example", " ").with_info::<Custom>();
70        assert_eq!(
71            sp.collect::<Vec<_>>(),
72            vec![
73                Custom { content: "bytes", span: 0..5 },
74                Custom { content: " ", span: 5..6 },
75                Custom { content: "example", span: 6..13 },
76            ],
77        );
78    }
79}
custom_info/custom_info.rs

custom_info/
custom_info.rs
