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/* 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 https://mozilla.org/MPL/2.0/. */
use cssparser::{Parser, ParserInput};
use style::context::QuirksMode;
use style::parser::ParserContext;
use style::stylesheets::{CssRuleType, Origin};
use style_traits::{ParsingMode, ParseError};
fn parse<T, F>(f: F, s: &'static str) -> Result<T, ParseError<'static>>
where
F: for<'t> Fn(
&ParserContext,
&mut Parser<'static, 't>,
) -> Result<T, ParseError<'static>>
{
let mut input = ParserInput::new(s);
parse_input(f, &mut input)
}
fn parse_input<'i: 't, 't, T, F>(f: F, input: &'t mut ParserInput<'i>) -> Result<T, ParseError<'i>>
where
F: Fn(&ParserContext, &mut Parser<'i, 't>) -> Result<T, ParseError<'i>>,
{
let url = ::servo_url::ServoUrl::parse("http://localhost").unwrap();
let context = ParserContext::new(
Origin::Author,
&url,
Some(CssRuleType::Style),
ParsingMode::DEFAULT,
QuirksMode::NoQuirks,
None,
None,
);
let mut parser = Parser::new(input);
f(&context, &mut parser)
}
macro_rules! assert_roundtrip_with_context {
($fun:expr, $string:expr) => {
assert_roundtrip_with_context!($fun, $string, $string);
};
($fun:expr, $input:expr, $output:expr) => {{
let serialized = parse(|context, i| {
let parsed = $fun(context, i)
.expect(&format!("Failed to parse {}", $input));
let serialized = ToCss::to_css_string(&parsed);
assert_eq!(serialized, $output);
Ok(serialized)
}, $input).unwrap();
let mut input = ::cssparser::ParserInput::new(&serialized);
let unwrapped = parse_input(|context, i| {
let re_parsed = $fun(context, i)
.expect(&format!("Failed to parse serialization {}", $input));
let re_serialized = ToCss::to_css_string(&re_parsed);
assert_eq!(serialized, re_serialized);
Ok(())
}, &mut input).unwrap();
unwrapped
}}
}
mod scaffolding;
mod serialization;
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