79 lines
2.4 KiB
JavaScript
79 lines
2.4 KiB
JavaScript
var cmpChar = require('../../tokenizer').cmpChar;
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var TYPE = require('../../tokenizer').TYPE;
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var IDENTIFIER = TYPE.Identifier;
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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 NUMBERSIGN = TYPE.NumberSign;
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var LEFTPARENTHESIS = TYPE.LeftParenthesis;
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var LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;
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var PLUSSIGN = TYPE.PlusSign;
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var HYPHENMINUS = TYPE.HyphenMinus;
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var COMMA = TYPE.Comma;
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var SOLIDUS = TYPE.Solidus;
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var ASTERISK = TYPE.Asterisk;
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var PERCENTSIGN = TYPE.PercentSign;
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var BACKSLASH = TYPE.Backslash;
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var U = 117; // 'u'.charCodeAt(0)
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module.exports = function defaultRecognizer(context) {
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switch (this.scanner.tokenType) {
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case NUMBERSIGN:
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return this.HexColor();
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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 SOLIDUS:
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case ASTERISK:
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case PLUSSIGN:
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case HYPHENMINUS:
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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 NUMBER:
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switch (this.scanner.lookupType(1)) {
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case PERCENTSIGN:
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return this.Percentage();
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case IDENTIFIER:
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// edge case: number with folowing \0 and \9 hack shouldn't to be a Dimension
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if (cmpChar(this.scanner.source, this.scanner.tokenEnd, BACKSLASH)) {
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return this.Number();
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} else {
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return this.Dimension();
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}
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default:
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return this.Number();
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}
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case FUNCTION:
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return this.Function(this.readSequence, context.recognizer);
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case URL:
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return this.Url();
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case IDENTIFIER:
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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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}
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};
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