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[READ-ONLY] Mirror of https://github.com/flo-bit/shapecraft. flo-bit.dev/shapecraft
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2.3 kB · 103 lines
JavaScript
at commit da69385e
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104import { Ident, Number, Dimension, Function as FunctionToken, LeftParenthesis, RightParenthesis, Colon, Delim} from '../../tokenizer/index.js';
const SOLIDUS = 0x002F; // U+002F SOLIDUS (/)
export const name = 'Feature';export const structure = { kind: String, name: String, value: ['Identifier', 'Number', 'Dimension', 'Ratio', 'Function', null]};
export function parse(kind) { const start = this.tokenStart; let name; let value = null;
this.eat(LeftParenthesis); this.skipSC();
name = this.consume(Ident); this.skipSC();
if (this.tokenType !== RightParenthesis) { this.eat(Colon); this.skipSC();
switch (this.tokenType) { case Number: if (this.lookupNonWSType(1) === Delim) { value = this.Ratio(); } else { value = this.Number(); }
break;
case Dimension: value = this.Dimension(); break;
case Ident: value = this.Identifier(); break;
case FunctionToken: value = this.parseWithFallback( () => { const res = this.Function(this.readSequence, this.scope.Value);
this.skipSC();
if (this.isDelim(SOLIDUS)) { this.error(); }
return res; }, () => { return this.Ratio(); } ); break;
default: this.error('Number, dimension, ratio or identifier is expected'); }
this.skipSC(); }
if (!this.eof) { this.eat(RightParenthesis); }
return { type: 'Feature', loc: this.getLocation(start, this.tokenStart), kind, name, value };}
export function generate(node) { this.token(LeftParenthesis, '('); this.token(Ident, node.name);
if (node.value !== null) { this.token(Colon, ':'); this.node(node.value); }
this.token(RightParenthesis, ')');}