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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.
use {
crate::{
parsers::{Parse, ParserContext},
CustomParseError,
},
cssparser::{ParseError, Parser, ToCss},
std::fmt,
};
#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct MediaGrid {
pub is_grid: bool,
}
impl ToCss for MediaGrid {
fn to_css<W: fmt::Write>(&self, dest: &mut W) -> fmt::Result {
let value = if self.is_grid { 1 } else { 0 };
value.to_css(dest)
}
}
impl Parse for MediaGrid {
fn parse<'i, 't>(
_context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i, CustomParseError<'i>>> {
let is_grid = match input.expect_integer()? {
0 => false,
1 => true,
invalid => {
return Err(ParseError::from(
CustomParseError::MediaGridMustBeEitherZeroOrOne(invalid),
))
}
};
Ok(Self { is_grid })
}
}