// Copyright 2014-2017 The html5ever Project Developers. See the
// COPYRIGHT file at the top-level directory of this distribution.
//
// Licensed under the Apache License, Version 2.0 or the MIT license
// , at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
//! Parse and re-serialize a HTML5 document.
//!
//! This is meant to produce the exact same output (ignoring stderr) as
//!
//! java -classpath htmlparser-1.4.jar nu.validator.htmlparser.tools.HTML2HTML
//!
//! where htmlparser-1.4.jar comes from http://about.validator.nu/htmlparser/
extern crate html5ever;
use std::default::Default;
use std::io::{self, Write};
use html5ever::driver::ParseOpts;
use html5ever::rcdom::RcDom;
use html5ever::tendril::TendrilSink;
use html5ever::tree_builder::TreeBuilderOpts;
use html5ever::{parse_document, serialize};
fn main() {
let opts = ParseOpts {
tree_builder: TreeBuilderOpts {
drop_doctype: true,
..Default::default()
},
..Default::default()
};
let stdin = io::stdin();
let dom = parse_document(RcDom::default(), opts)
.from_utf8()
.read_from(&mut stdin.lock())
.unwrap();
// The validator.nu HTML2HTML always prints a doctype at the very beginning.
io::stdout()
.write_all(b"\n")
.ok()
.expect("writing DOCTYPE failed");
serialize(&mut io::stdout(), &dom.document, Default::default())
.ok()
.expect("serialization failed");
}