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