You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
2.7 KiB
88 lines
2.7 KiB
2 years ago
|
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;
|
||
|
|
}
|
||
|
|
};
|