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 @document rule
#[derive(Debug, Clone)]
pub struct DocumentAtRule
{
	pub vendor_prefix: Option<VendorPrefix>,
	
	/// The parsed condition
	pub condition: DocumentCondition,
	
	/// Child rules
	pub rules: CssRules,
}

impl HasCssRules for DocumentAtRule
{
	#[inline(always)]
	fn css_rules(&self) -> &CssRules
	{
		&self.rules
	}
	
	#[inline(always)]
	fn css_rules_mut(&mut self) -> &mut CssRules
	{
		&mut self.rules
	}
	
	#[inline(always)]
	fn css_rules_slice(&self) -> &[CssRule]
	{
		&self.rules.0[..]
	}
	
	#[inline(always)]
	fn css_rules_vec(&self) -> &Vec<CssRule>
	{
		&self.rules.0
	}
	
	#[inline(always)]
	fn css_rules_vec_mut(&mut self) -> &mut Vec<CssRule>
	{
		&mut self.rules.0
	}
}

impl ToCss for DocumentAtRule
{
	fn to_css<W: fmt::Write>(&self, dest: &mut W) -> fmt::Result
	{
		dest.write_str("@")?;
		if let Some(ref vendor_prefix) = self.vendor_prefix
		{
			vendor_prefix.to_css(dest)?;
		}
		dest.write_str("document ")?;
		self.condition.to_css(dest)?;
		dest.write_char('{')?;
		self.rules.to_css(dest)?;
		dest.write_char('}')
	}
}

impl HasVendorPrefix for DocumentAtRule
{
	#[inline(always)]
	fn isNotVendorPrefixed(&self) -> bool
	{
		self.vendor_prefix.is_none()
	}
}

impl VendorPrefixedAtRule for DocumentAtRule
{
}

impl DocumentAtRule
{
	/// Evaluate a document condition.
	pub fn evaluate<D: Document>(&self, document: &D) -> bool
	{
		self.condition.evaluate(document)
	}
}