printer-notifications/node_modules/css-tree/lib/syntax/scope/selector.js
2023-11-13 16:10:04 -05:00

95 lines
2.5 KiB
JavaScript

import {
Delim,
Ident,
Dimension,
Percentage,
Number as NumberToken,
Hash,
Colon,
LeftSquareBracket
} from '../../tokenizer/index.js';
const NUMBERSIGN = 0x0023; // U+0023 NUMBER SIGN (#)
const AMPERSAND = 0x0026; // U+0026 AMPERSAND (&)
const ASTERISK = 0x002A; // U+002A ASTERISK (*)
const PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+)
const SOLIDUS = 0x002F; // U+002F SOLIDUS (/)
const FULLSTOP = 0x002E; // U+002E FULL STOP (.)
const GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)
const VERTICALLINE = 0x007C; // U+007C VERTICAL LINE (|)
const TILDE = 0x007E; // U+007E TILDE (~)
function onWhiteSpace(next, children) {
if (children.last !== null && children.last.type !== 'Combinator' &&
next !== null && next.type !== 'Combinator') {
children.push({ // FIXME: this.Combinator() should be used instead
type: 'Combinator',
loc: null,
name: ' '
});
}
}
function getNode() {
switch (this.tokenType) {
case LeftSquareBracket:
return this.AttributeSelector();
case Hash:
return this.IdSelector();
case Colon:
if (this.lookupType(1) === Colon) {
return this.PseudoElementSelector();
} else {
return this.PseudoClassSelector();
}
case Ident:
return this.TypeSelector();
case NumberToken:
case Percentage:
return this.Percentage();
case Dimension:
// throws when .123ident
if (this.charCodeAt(this.tokenStart) === FULLSTOP) {
this.error('Identifier is expected', this.tokenStart + 1);
}
break;
case Delim: {
const code = this.charCodeAt(this.tokenStart);
switch (code) {
case PLUSSIGN:
case GREATERTHANSIGN:
case TILDE:
case SOLIDUS: // /deep/
return this.Combinator();
case FULLSTOP:
return this.ClassSelector();
case ASTERISK:
case VERTICALLINE:
return this.TypeSelector();
case NUMBERSIGN:
return this.IdSelector();
case AMPERSAND:
return this.NestingSelector();
}
break;
}
}
};
export default {
onWhiteSpace,
getNode
};