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'use strict';
const types = require('../../tokenizer/types.cjs');
const NUMBERSIGN = 0x0023; // U+0023 NUMBER SIGN (#)
const ASTERISK = 0x002A; // U+002A ASTERISK (*)
const PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+)
const HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)
const SOLIDUS = 0x002F; // U+002F SOLIDUS (/)
const U = 0x0075; // U+0075 LATIN SMALL LETTER U (u)
function defaultRecognizer(context) {
switch (this.tokenType) {
case types.Hash:
return this.Hash();
case types.Comma:
return this.Operator();
case types.LeftParenthesis:
return this.Parentheses(this.readSequence, context.recognizer);
case types.LeftSquareBracket:
return this.Brackets(this.readSequence, context.recognizer);
case types.String:
return this.String();
case types.Dimension:
return this.Dimension();
case types.Percentage:
return this.Percentage();
case types.Number:
return this.Number();
case types.Function:
return this.cmpStr(this.tokenStart, this.tokenEnd, 'url(')
? this.Url()
: this.Function(this.readSequence, context.recognizer);
case types.Url:
return this.Url();
case types.Ident:
// check for unicode range, it should start with u+ or U+
if (this.cmpChar(this.tokenStart, U) &&
this.cmpChar(this.tokenStart + 1, PLUSSIGN)) {
return this.UnicodeRange();
} else {
return this.Identifier();
}
case types.Delim: {
const code = this.charCodeAt(this.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.tokenStart + 1);
}
break;
}
}
}
module.exports = defaultRecognizer;