css 0.0.22

A crate that uses the cssparser and selectors crates to provide a domain model for CSS Stylesheets. Intended to allow effective minification of CSS and CSS transformations such as autoprefixing and removal by other crates
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// This file is part of css. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/css/master/COPYRIGHT. No part of predicator, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2017 The developers of css. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/css/master/COPYRIGHT.


/// A @font-feature-values block declaration value that keeps one value.
#[derive(Clone, Debug, PartialEq)]
pub struct SingleValue(pub u32);

impl Parse for SingleValue
{
	fn parse<'i, 't>(_context: &ParserContext, input: &mut Parser<'i, 't>) -> Result<SingleValue, ParseError<'i, CustomParseError<'i>>>
	{
		match *input.next()?
		{
			Token::Number { int_value: Some(value), .. } if value >= 0 => Ok(SingleValue(value as u32)),
			ref unexpectedToken => CustomParseError::unexpectedToken(unexpectedToken),
		}
	}
}

impl ToCss for SingleValue
{
	fn to_css<W: fmt::Write>(&self, dest: &mut W) -> fmt::Result
	{
		self.0.to_css(dest)
	}
}