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.


pub trait OurSelectorExt
{
	#[inline(always)]
	fn is_false_if_any_selector_is_simple_and_only_uses_the_descendant_combinator(&self) -> bool;
}

impl OurSelectorExt for OurSelector
{
	#[inline(always)]
	fn is_false_if_any_selector_is_simple_and_only_uses_the_descendant_combinator(&self) -> bool
	{
		use self::Combinator::*;
		
		for component in self.iter_raw_match_order()
		{
			match *component
			{
				// Combinators are not allowed except for descendant
				Component::Combinator(ref combinator) => if combinator != &Descendant
				{
					return true;
				},
				
				// Only simple selectors are allowed (http://www.w3.org/TR/css3-selectors/#simple-selectors)
				Component::PseudoElement(..) => return true,
				
				_ =>
				{
				}
			}
		}
		
		false
	}
}