1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
use pulldown_cmark::{html, BrokenLink, Options, Parser};
fn main() {
let input: &str = "Hello world, check out [my website][].";
println!("Parsing the following markdown string:\n{}", input);
// Setup callback that sets the URL and title when it encounters
// a reference to our home page.
let callback = |broken_link: BrokenLink| {
if broken_link.reference.as_ref() == "my website" {
println!(
"Replacing the markdown `{}` of type {:?} with a working link",
&input[broken_link.span], broken_link.link_type,
);
Some(("http://example.com".into(), "my example website".into()))
} else {
None
}
};
// Create a parser with our callback function for broken links.
let parser = Parser::new_with_broken_link_callback(input, Options::empty(), Some(callback));
// Write to String buffer.
let mut html_output: String = String::with_capacity(input.len() * 3 / 2);
html::push_html(&mut html_output, parser);
// Check that the output is what we expected.
let expected_html: &str =
"<p>Hello world, check out <a href=\"http://example.com\" title=\"my example website\">my website</a>.</p>\n";
assert_eq!(expected_html, &html_output);
// Write result to stdout.
println!("\nHTML output:\n{}", &html_output);
}
|
