70 lines
2.2 KiB
Rust
70 lines
2.2 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 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::{ParseError, ParsingMode};
|
|
|
|
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;
|