var cmpChar = require('../../tokenizer').cmpChar; var cmpStr = require('../../tokenizer').cmpStr; var TYPE = require('../../tokenizer').TYPE; var IDENT = TYPE.Ident; var STRING = TYPE.String; var NUMBER = TYPE.Number; var FUNCTION = TYPE.Function; var URL = TYPE.Url; var HASH = TYPE.Hash; var DIMENSION = TYPE.Dimension; var PERCENTAGE = TYPE.Percentage; var LEFTPARENTHESIS = TYPE.LeftParenthesis; var LEFTSQUAREBRACKET = TYPE.LeftSquareBracket; var COMMA = TYPE.Comma; var DELIM = TYPE.Delim; var NUMBERSIGN = 0x0023; // U+0023 NUMBER SIGN (#) var ASTERISK = 0x002A; // U+002A ASTERISK (*) var PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+) var HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-) var SOLIDUS = 0x002F; // U+002F SOLIDUS (/) var U = 0x0075; // U+0075 LATIN SMALL LETTER U (u) module.exports = function defaultRecognizer(context) { switch (this.scanner.tokenType) { case HASH: return this.Hash(); case COMMA: context.space = null; context.ignoreWSAfter = true; return this.Operator(); case LEFTPARENTHESIS: return this.Parentheses(this.readSequence, context.recognizer); case LEFTSQUAREBRACKET: return this.Brackets(this.readSequence, context.recognizer); case STRING: return this.String(); case DIMENSION: return this.Dimension(); case PERCENTAGE: return this.Percentage(); case NUMBER: return this.Number(); case FUNCTION: return cmpStr(this.scanner.source, this.scanner.tokenStart, this.scanner.tokenEnd, 'url(') ? this.Url() : this.Function(this.readSequence, context.recognizer); case URL: return this.Url(); case IDENT: // check for unicode range, it should start with u+ or U+ if (cmpChar(this.scanner.source, this.scanner.tokenStart, U) && cmpChar(this.scanner.source, this.scanner.tokenStart + 1, PLUSSIGN)) { return this.UnicodeRange(); } else { return this.Identifier(); } case DELIM: var code = this.scanner.source.charCodeAt(this.scanner.tokenStart); if (code === SOLIDUS || code === ASTERISK || code === PLUSSIGN || code === HYPHENMINUS) { return this.Operator(); // TODO: replace with Delim } // TODO: produce a node with Delim node type if (code === NUMBERSIGN) { this.error('Hex or identifier is expected', this.scanner.tokenStart + 1); } break; } };