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32 lines
1.1 KiB
Rust
32 lines
1.1 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use cssparser::ast::{SyntaxError, SourceLocation};
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pub struct ErrorLoggerIterator<I>(pub I);
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impl<T, I: Iterator<Result<T, SyntaxError>>> Iterator<T> for ErrorLoggerIterator<I> {
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fn next(&mut self) -> Option<T> {
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let ErrorLoggerIterator(ref mut this) = *self;
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loop {
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match this.next() {
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Some(Ok(v)) => return Some(v),
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Some(Err(error)) => log_css_error(error.location,
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format!("{}", error.reason).as_slice()),
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None => return None,
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}
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}
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}
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}
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/// Defaults to a no-op.
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/// Set a `RUST_LOG=style::errors` environment variable
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/// to log CSS parse errors to stderr.
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pub fn log_css_error(location: SourceLocation, message: &str) {
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// TODO eventually this will got into a "web console" or something.
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info!("{}:{} {}", location.line, location.column, message)
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}
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