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