import { WhiteSpace, Comment, AtKeyword, CDO, CDC } from '../../tokenizer/index.js'; const EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!) function consumeRaw(startToken) { return this.Raw(startToken, null, false); } export const name = 'StyleSheet'; export const walkContext = 'stylesheet'; export const structure = { children: [[ 'Comment', 'CDO', 'CDC', 'Atrule', 'Rule', 'Raw' ]] }; export function parse() { const start = this.tokenStart; const children = this.createList(); let child; scan: while (!this.eof) { switch (this.tokenType) { case WhiteSpace: this.next(); continue; case 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 CDO: // child = this.CDC(); break; // CSS Syntax Module Level 3 // ยง2.2 Error handling // At the "top level" of a stylesheet, an starts an at-rule. case 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 }; } export function generate(node) { this.children(node); }