62 lines
1.1 KiB
JavaScript
62 lines
1.1 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
const types = require('../../tokenizer/types.cjs');
|
||
|
|
|
||
|
|
const name = 'MediaQuery';
|
||
|
|
const structure = {
|
||
|
|
children: [[
|
||
|
|
'Identifier',
|
||
|
|
'MediaFeature',
|
||
|
|
'WhiteSpace'
|
||
|
|
]]
|
||
|
|
};
|
||
|
|
|
||
|
|
function parse() {
|
||
|
|
const children = this.createList();
|
||
|
|
let child = null;
|
||
|
|
|
||
|
|
this.skipSC();
|
||
|
|
|
||
|
|
scan:
|
||
|
|
while (!this.eof) {
|
||
|
|
switch (this.tokenType) {
|
||
|
|
case types.Comment:
|
||
|
|
case types.WhiteSpace:
|
||
|
|
this.next();
|
||
|
|
continue;
|
||
|
|
|
||
|
|
case types.Ident:
|
||
|
|
child = this.Identifier();
|
||
|
|
break;
|
||
|
|
|
||
|
|
case types.LeftParenthesis:
|
||
|
|
child = this.MediaFeature();
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
break scan;
|
||
|
|
}
|
||
|
|
|
||
|
|
children.push(child);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (child === null) {
|
||
|
|
this.error('Identifier or parenthesis is expected');
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
type: 'MediaQuery',
|
||
|
|
loc: this.getLocationFromList(children),
|
||
|
|
children
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function generate(node) {
|
||
|
|
this.children(node);
|
||
|
|
}
|
||
|
|
|
||
|
|
exports.generate = generate;
|
||
|
|
exports.name = name;
|
||
|
|
exports.parse = parse;
|
||
|
|
exports.structure = structure;
|