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//! Annotates errors in the HTML read from stdin.
//! Try it out with e.g.:
//!
//! ```sh
//! printf "The pirate says &arrrrr;" | cargo run --example errors
//! ```
use codespan_reporting::{
diagnostic::{Diagnostic, Label},
files::SimpleFiles,
term,
term::termcolor::{ColorChoice, StandardStream},
};
use html5tokenizer::{offset::PosTrackingReader, NaiveParser, TracingEmitter};
fn main() {
let input = std::io::read_to_string(std::io::stdin()).unwrap();
let input_clone = input.clone();
let mut parser =
NaiveParser::new_with_emitter(PosTrackingReader::new(&input), TracingEmitter::default());
let mut files = SimpleFiles::new();
let file_id = files.add("stdin", input_clone);
let mut labels = Vec::new();
for _ in parser.by_ref() {}
for (error, span) in parser.emitter_mut().drain_errors() {
labels.push(Label::primary(file_id, span).with_message(error.code()));
}
let diagnostic = Diagnostic::error().with_labels(labels);
let mut writer = StandardStream::stdout(ColorChoice::Auto);
let config = codespan_reporting::term::Config::default();
term::emit(&mut writer, &config, &files, &diagnostic).unwrap();
}
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