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write_to_html
to allow fmt::Write
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,27 +1,28 @@ | ||
use std::io::Write as _; | ||
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use pulldown_cmark::{html, Event, Options, Parser, Tag, TagEnd}; | ||
use pulldown_cmark::{html, Event, IoWriter, Options, Parser, Tag, TagEnd}; | ||
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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); | ||
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// 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(TagEnd::Image) => false, | ||
_ => true, | ||
}); | ||
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(TagEnd::Image) => false, | ||
_ => true, | ||
}); | ||
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||
// 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(); | ||
html::write_html(IoWriter(&mut handle), parser).unwrap(); | ||
} |
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