servo/components/style/error_reporting.rs

41 lines
1.4 KiB
Rust

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
//! Types used to report parsing errors.
#![deny(missing_docs)]
use cssparser::{Parser, SourcePosition};
use log;
use stylesheets::UrlExtraData;
/// A generic trait for an error reporter.
pub trait ParseErrorReporter : Sync + Send {
/// Called the style engine detects an error.
///
/// Returns the current input being parsed, the source position it was
/// reported from, and a message.
fn report_error(&self,
input: &mut Parser,
position: SourcePosition,
message: &str,
url: &UrlExtraData);
}
/// An error reporter that reports the errors to the `info` log channel.
///
/// TODO(emilio): The name of this reporter is a lie, and should be renamed!
pub struct StdoutErrorReporter;
impl ParseErrorReporter for StdoutErrorReporter {
fn report_error(&self,
input: &mut Parser,
position: SourcePosition,
message: &str,
url: &UrlExtraData) {
if log_enabled!(log::LogLevel::Info) {
let location = input.source_location(position);
info!("Url:\t{}\n{}:{} {}", url.as_str(), location.line, location.column, message)
}
}
}