| 1 | var cmpChar = require('../../tokenizer').cmpChar;
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| 2 | var cmpStr = require('../../tokenizer').cmpStr;
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| 3 | var TYPE = require('../../tokenizer').TYPE;
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| 4 |
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| 5 | var IDENT = TYPE.Ident;
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| 6 | var STRING = TYPE.String;
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| 7 | var NUMBER = TYPE.Number;
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| 8 | var FUNCTION = TYPE.Function;
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| 9 | var URL = TYPE.Url;
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| 10 | var HASH = TYPE.Hash;
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| 11 | var DIMENSION = TYPE.Dimension;
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| 12 | var PERCENTAGE = TYPE.Percentage;
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| 13 | var LEFTPARENTHESIS = TYPE.LeftParenthesis;
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| 14 | var LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;
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| 15 | var COMMA = TYPE.Comma;
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| 16 | var DELIM = TYPE.Delim;
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| 17 | var NUMBERSIGN = 0x0023; // U+0023 NUMBER SIGN (#)
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| 18 | var ASTERISK = 0x002A; // U+002A ASTERISK (*)
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| 19 | var PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+)
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| 20 | var HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)
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| 21 | var SOLIDUS = 0x002F; // U+002F SOLIDUS (/)
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| 22 | var U = 0x0075; // U+0075 LATIN SMALL LETTER U (u)
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| 23 |
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| 24 | module.exports = function defaultRecognizer(context) {
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| 25 | switch (this.scanner.tokenType) {
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| 26 | case HASH:
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| 27 | return this.Hash();
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| 28 |
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| 29 | case COMMA:
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| 30 | context.space = null;
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| 31 | context.ignoreWSAfter = true;
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| 32 | return this.Operator();
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| 33 |
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| 34 | case LEFTPARENTHESIS:
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| 35 | return this.Parentheses(this.readSequence, context.recognizer);
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| 36 |
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| 37 | case LEFTSQUAREBRACKET:
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| 38 | return this.Brackets(this.readSequence, context.recognizer);
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| 39 |
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| 40 | case STRING:
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| 41 | return this.String();
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| 42 |
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| 43 | case DIMENSION:
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| 44 | return this.Dimension();
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| 45 |
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| 46 | case PERCENTAGE:
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| 47 | return this.Percentage();
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| 48 |
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| 49 | case NUMBER:
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| 50 | return this.Number();
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| 51 |
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| 52 | case FUNCTION:
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| 53 | return cmpStr(this.scanner.source, this.scanner.tokenStart, this.scanner.tokenEnd, 'url(')
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| 54 | ? this.Url()
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| 55 | : this.Function(this.readSequence, context.recognizer);
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| 56 |
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| 57 | case URL:
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| 58 | return this.Url();
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| 59 |
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| 60 | case IDENT:
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| 61 | // check for unicode range, it should start with u+ or U+
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| 62 | if (cmpChar(this.scanner.source, this.scanner.tokenStart, U) &&
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| 63 | cmpChar(this.scanner.source, this.scanner.tokenStart + 1, PLUSSIGN)) {
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| 64 | return this.UnicodeRange();
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| 65 | } else {
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| 66 | return this.Identifier();
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| 67 | }
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| 68 |
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| 69 | case DELIM:
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| 70 | var code = this.scanner.source.charCodeAt(this.scanner.tokenStart);
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| 71 |
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| 72 | if (code === SOLIDUS ||
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| 73 | code === ASTERISK ||
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| 74 | code === PLUSSIGN ||
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| 75 | code === HYPHENMINUS) {
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| 76 | return this.Operator(); // TODO: replace with Delim
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| 77 | }
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| 78 |
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| 79 | // TODO: produce a node with Delim node type
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| 80 |
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| 81 | if (code === NUMBERSIGN) {
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| 82 | this.error('Hex or identifier is expected', this.scanner.tokenStart + 1);
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| 83 | }
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| 84 |
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| 85 | break;
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| 86 | }
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| 87 | };
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