3 files changed, 86 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);
+}
diff --git a/vendor/pulldown-cmark/examples/event-filter.rs b/vendor/pulldown-cmark/examples/event-filter.rs
new file mode 100644
index 000000000..eb33e56cf
--- /dev/null
+++ b/vendor/pulldown-cmark/examples/event-filter.rs
@@ -0,0 +1,27 @@
+use std::io::Write as _;
+
+use pulldown_cmark::{html, Event, Options, Parser, Tag};
+
+fn main() {
+    let markdown_input: &str = "This is Peter on ![holiday in Greece](pearl_beach.jpg).";
+    println!("Parsing the following markdown string:\n{}", markdown_input);
+
+    // Set up parser. We can treat is as any other iterator. We replace Peter by John
+    // and image by its alt text.
+    let parser = Parser::new_ext(markdown_input, Options::empty())
+        .map(|event| match event {
+            Event::Text(text) => Event::Text(text.replace("Peter", "John").into()),
+            _ => event,
+        })
+        .filter(|event| match event {
+            Event::Start(Tag::Image(..)) | Event::End(Tag::Image(..)) => false,
+            _ => true,
+        });
+
+    // Write to anything implementing the `Write` trait. This could also be a file
+    // or network socket.
+    let stdout = std::io::stdout();
+    let mut handle = stdout.lock();
+    handle.write_all(b"\nHTML output:\n").unwrap();
+    html::write_html(&mut handle, parser).unwrap();
+}
diff --git a/vendor/pulldown-cmark/examples/string-to-string.rs b/vendor/pulldown-cmark/examples/string-to-string.rs
new file mode 100644
index 000000000..b71bea786
--- /dev/null
+++ b/vendor/pulldown-cmark/examples/string-to-string.rs
@@ -0,0 +1,24 @@
+use pulldown_cmark::{html, Options, Parser};
+
+fn main() {
+    let markdown_input: &str = "Hello world, this is a ~~complicated~~ *very simple* example.";
+    println!("Parsing the following markdown string:\n{}", markdown_input);
+
+    // Set up options and parser. Strikethroughs are not part of the CommonMark standard
+    // and we therefore must enable it explicitly.
+    let mut options = Options::empty();
+    options.insert(Options::ENABLE_STRIKETHROUGH);
+    let parser = Parser::new_ext(markdown_input, options);
+
+    // Write to String buffer.
+    let mut html_output: String = String::with_capacity(markdown_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, this is a <del>complicated</del> <em>very simple</em> example.</p>\n";
+    assert_eq!(expected_html, &html_output);
+
+    // Write result to stdout.
+    println!("\nHTML output:\n{}", &html_output);
+}