diff options
Diffstat (limited to 'vendor/pulldown-cmark/examples/broken-link-callbacks.rs')
-rw-r--r-- | vendor/pulldown-cmark/examples/broken-link-callbacks.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/vendor/pulldown-cmark/examples/broken-link-callbacks.rs b/vendor/pulldown-cmark/examples/broken-link-callbacks.rs new file mode 100644 index 000000000..268715dc3 --- /dev/null +++ b/vendor/pulldown-cmark/examples/broken-link-callbacks.rs @@ -0,0 +1,35 @@ +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 = &mut |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); +} |