css3_selector/
ast.rs

1/// https://www.w3.org/TR/2018/REC-selectors-3-20181106/#grammar
2use serde::{Deserialize, Serialize};
3pub trait Node<'a> {}
4
5#[derive(Deserialize, Serialize, Clone)]
6pub struct SelectorsGroup<'a> {
7    #[serde(borrow)]
8    pub selectors: Vec<Selector<'a>>,
9}
10
11impl<'a> Node<'a> for SelectorsGroup<'a> {}
12
13#[derive(Deserialize, Serialize, Clone)]
14pub struct Selector<'a> {
15    #[serde(borrow)]
16    pub base: SelectorSequence<'a>,
17    #[serde(borrow)]
18    pub modifiers: Vec<(Combinator, SelectorSequence<'a>)>,
19}
20
21impl<'a> Node<'a> for Selector<'a> {}
22
23#[derive(Deserialize, Serialize, Clone)]
24#[serde(tag = "type")]
25pub enum Combinator {
26    Plus,
27    Greater,
28    Tilde,
29    None,
30}
31
32#[derive(Deserialize, Serialize, Clone)]
33pub struct SelectorSequence<'a> {
34    #[serde(borrow)]
35    pub type_selector: Option<TypeSelector<'a>>,
36    #[serde(borrow)]
37    pub attribute_selectors: Vec<AttributeSelector<'a>>,
38}
39
40impl<'a> Node<'a> for SelectorSequence<'a> {}
41
42#[derive(Deserialize, Serialize, Clone)]
43#[serde(tag = "type")]
44pub enum AttributeSelector<'a> {
45    Hash(&'a str),
46    Class(&'a str),
47    Attribute(Attribute<'a>),
48    Psuedo(Psuedo<'a>),
49    Negation(Negation<'a>),
50}
51
52impl<'a> Node<'a> for AttributeSelector<'a> {}
53
54#[derive(Deserialize, Serialize, Clone)]
55#[serde(tag = "type")]
56pub enum Namespace<'a> {
57    All,
58    Ident(&'a str),
59}
60
61impl<'a> Node<'a> for Namespace<'a> {}
62
63#[derive(Deserialize, Serialize, Clone)]
64pub struct TypeSelector<'a> {
65    pub namespace: Option<Namespace<'a>>,
66    pub element_name: Option<&'a str>,
67}
68
69impl<'a> Node<'a> for TypeSelector<'a> {}
70
71#[derive(Deserialize, Serialize, Clone)]
72pub enum Matcher {
73    Prefix,
74    Suffix,
75    Substring,
76    Equal,
77    Includes,
78    Dash,
79}
80
81#[derive(Deserialize, Serialize, Clone)]
82pub struct Attribute<'a> {
83    pub namespace: Option<Namespace<'a>>,
84    pub name: &'a str,
85    pub matcher: Option<Matcher>,
86    pub value: Option<&'a str>,
87}
88
89impl<'a> Node<'a> for Attribute<'a> {}
90
91#[derive(Deserialize, Serialize, Clone)]
92pub struct Psuedo<'a> {
93    pub is_class_type: bool, // if true, only one colon was used
94    pub name: &'a str,
95    pub arg: Option<Expression<'a>>, // if Some, then was a function
96}
97
98impl<'a> Node<'a> for Psuedo<'a> {}
99
100#[derive(Deserialize, Serialize, Clone)]
101pub struct Expression<'a> {
102    #[serde(borrow)]
103    pub items: Vec<ExpressionItem<'a>>,
104}
105
106impl<'a> Node<'a> for Expression<'a> {}
107
108#[derive(Deserialize, Serialize, Clone)]
109pub enum ExpressionItem<'a> {
110    Plus,
111    Minus,
112    Dimension(&'a str, &'a str),
113    Number(&'a str),
114    Str(&'a str),
115    Ident(&'a str),
116}
117
118impl<'a> Node<'a> for ExpressionItem<'a> {}
119
120#[derive(Deserialize, Serialize, Clone)]
121#[serde(tag = "type")]
122pub enum Negation<'a> {
123    TypeSelector(TypeSelector<'a>),
124    Hash(&'a str),
125    Class(&'a str),
126    Attribute(Attribute<'a>),
127    Psuedo(Psuedo<'a>),
128}
129
130impl<'a> Node<'a> for Negation<'a> {}
css3_selector/ast.rs

css3_selector/
ast.rs
