speech-rule-engine/js/enrich_mathml/case_collapsed_script.js

A standalone speech rule engine for XML structures, based on the original engine from ChromeVox.

import { AbstractEnrichCase } from './abstract_enrich_case.js';
import { introduceNewLayer, walkTree } from './enrich_mathml.js';
import { setAttributes } from './enrich_attr.js';
export class CaseCollapsedScript extends AbstractEnrichCase {
    static test(semantic) {
        var _a, _b;
        const ann = semantic.getAnnotation('collapsed');
        if (!ann.length) {
            return false;
        }
        return ((_b = (_a = semantic.mathmlTree) === null || _a === void 0 ? void 0 : _a.parentNode) === null || _b === void 0 ? void 0 : _b.childNodes.length) > 2;
    }
    getMathml() {
        walkTree(this.semantic.childNodes[0]);
        walkTree(this.semantic.childNodes[1]);
        const collapsed = this.semantic.mathmlTree;
        const script = this.semantic.childNodes[0].mathmlTree;
        const newNode = introduceNewLayer([script, collapsed], this.semantic);
        setAttributes(newNode, this.semantic);
        return newNode;
    }
}
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