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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84

// 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.


/// https://drafts.csswg.org/css-animations/#typedef-keyframes-name
#[derive(Debug, Clone)]
pub enum KeyframesName
{
	/// <custom-ident>
	Ident(CustomIdent),
	
	/// <string>
	QuotedString(Atom),
}

impl KeyframesName
{
	/// https://drafts.csswg.org/css-animations/#dom-csskeyframesrule-name
	pub fn from_ident(value: &str) -> Self
	{
		let custom_ident = CustomIdent::from_ident(&value.into(), &["none"]).ok();
		match custom_ident
		{
			Some(ident) => KeyframesName::Ident(ident),
			None => KeyframesName::QuotedString(value.into()),
		}
	}
	
	/// The name as an Atom
	pub fn as_atom(&self) -> &Atom
	{
		match *self
		{
			KeyframesName::Ident(ref ident) => &ident.0,
			KeyframesName::QuotedString(ref atom) => atom,
		}
	}
}

impl PartialEq for KeyframesName
{
	fn eq(&self, other: &Self) -> bool
	{
		self.as_atom() == other.as_atom()
	}
}

impl Eq for KeyframesName
{
}

impl Hash for KeyframesName
{
	fn hash<H: Hasher>(&self, state: &mut H)
	{
		self.as_atom().hash(state)
	}
}

impl ToCss for KeyframesName
{
	fn to_css<W: fmt::Write>(&self, dest: &mut W) -> fmt::Result
	{
		match *self
		{
			KeyframesName::Ident(ref ident) => ident.to_css(dest),
			KeyframesName::QuotedString(ref atom) => atom.to_css(dest),
		}
	}
}

impl KeyframesName
{
	pub(crate) fn parse<'i, 't>(input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i, CustomParseError<'i>>>
	{
		match input.next()
		{
			Ok(&Token::Ident(ref s)) => Ok(KeyframesName::Ident(CustomIdent::from_ident(s, &["none"])?)),
			Ok(&Token::QuotedString(ref s)) => Ok(KeyframesName::QuotedString(Atom::from(s.as_ref()))),
			Ok(t) => Err(BasicParseError::UnexpectedToken(t.clone()).into()),
			Err(e) => Err(e.into()),
		}
	}
}