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|
use lol_html::{element, html_content::ContentType, HtmlRewriter, Settings};
use std::env::args;
use std::io::{self, prelude::*, stdin, stdout};
fn main() -> io::Result<()> {
let mode = match args().nth(1) {
None => {
return Err(io::Error::new(
io::ErrorKind::InvalidInput,
"usage: mastosan [markdown|slackdown|text]",
))
}
Some(mode) => mode,
};
let mut output = Vec::new();
let mut rewriter = HtmlRewriter::new(
Settings {
element_content_handlers: vec![
element!("span", |el| {
el.remove_and_keep_content();
Ok(())
}),
element!("p", |el| {
el.append("\n\n", ContentType::Html);
el.remove_and_keep_content();
Ok(())
}),
element!("br", |el| {
el.append("\n\n", ContentType::Html);
el.remove_and_keep_content();
Ok(())
}),
element!("a[href]", |el| {
let href = el.get_attribute("href").unwrap();
match mode.as_str() {
"slackdown" => {
el.prepend("|", ContentType::Html);
el.prepend(&href, ContentType::Html);
el.prepend("<", ContentType::Html);
el.append(">", ContentType::Html);
}
"markdown" => {
el.prepend("](", ContentType::Html);
el.prepend(&href, ContentType::Html);
el.prepend("[", ContentType::Html);
el.append(")", ContentType::Html);
}
_ => {}
}
el.remove_and_keep_content();
Ok(())
}),
],
..Settings::default()
},
|c: &[u8]| output.extend_from_slice(c),
);
let mut input = Vec::new();
let mut fin = stdin().lock();
fin.read_to_end(&mut input)?;
rewriter.write(&input).unwrap();
rewriter.end().unwrap();
let mut fout = stdout().lock();
fout.write(&output)?;
Ok(())
}
|
