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'use strict';
const types = require('../../tokenizer/types.cjs');
const EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)
function consumeRaw(startToken) {
return this.Raw(startToken, null, false);
}
const name = 'StyleSheet';
const walkContext = 'stylesheet';
const structure = {
children: [[
'Comment',
'CDO',
'CDC',
'Atrule',
'Rule',
'Raw'
]]
};
function parse() {
const start = this.tokenStart;
const children = this.createList();
let child;
while (!this.eof) {
switch (this.tokenType) {
case types.WhiteSpace:
this.next();
continue;
case types.Comment:
// ignore comments except exclamation comments (i.e. /*! .. */) on top level
if (this.charCodeAt(this.tokenStart + 2) !== EXCLAMATIONMARK) {
this.next();
continue;
}
child = this.Comment();
break;
case types.CDO: // <!--
child = this.CDO();
break;
case types.CDC: // -->
child = this.CDC();
break;
// CSS Syntax Module Level 3
// §2.2 Error handling
// At the "top level" of a stylesheet, an <at-keyword-token> starts an at-rule.
case types.AtKeyword:
child = this.parseWithFallback(this.Atrule, consumeRaw);
break;
// Anything else starts a qualified rule ...
default:
child = this.parseWithFallback(this.Rule, consumeRaw);
}
children.push(child);
}
return {
type: 'StyleSheet',
loc: this.getLocation(start, this.tokenStart),
children
};
}
function generate(node) {
this.children(node);
}
exports.generate = generate;
exports.name = name;
exports.parse = parse;
exports.structure = structure;
exports.walkContext = walkContext;
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