import { MMLTAGS } from '../semantic_tree/semantic_util.js'; import { AbstractEnrichCase } from './abstract_enrich_case.js'; import * as EnrichMathml from './enrich_mathml.js'; import { addMrow, setAttributes } from './enrich_attr.js'; import * as DomUtil from '../common/dom_util.js'; export class CaseEmpheq extends AbstractEnrichCase { static test(semantic) { return !!semantic.mathmlTree && semantic.hasAnnotation('Emph', 'top'); } constructor(semantic) { super(semantic); this.mrows = []; this.mml = semantic.mathmlTree; } getMathml() { this.recurseToTable(this.semantic); if (this.mrows.length) { const newRow = addMrow(); const parent = this.mml.parentNode; parent.insertBefore(newRow, this.mml); for (const mrow of this.mrows) { newRow.appendChild(mrow); } newRow.appendChild(this.mml); } return this.mml; } recurseToTable(node) { var _a, _b; if (!(node.hasAnnotation('Emph', 'top') || node.hasAnnotation('Emph', 'fence')) && (node.hasAnnotation('Emph', 'left') || node.hasAnnotation('Emph', 'right'))) { EnrichMathml.walkTree(node); return; } if (!node.mathmlTree || (DomUtil.tagName(node.mathmlTree) === MMLTAGS.MTABLE && ((_a = node.annotation['Emph']) === null || _a === void 0 ? void 0 : _a.length) && node.annotation['Emph'][0] !== 'table')) { const newNode = addMrow(); setAttributes(newNode, node); this.mrows.unshift(newNode); } else { if (DomUtil.tagName(node.mathmlTree) === MMLTAGS.MTABLE && ((_b = node.annotation['Emph']) === null || _b === void 0 ? void 0 : _b.length) && node.annotation['Emph'][0] === 'table') { this.finalizeTable(node); return; } setAttributes(node.mathmlTree, node); } node.childNodes.forEach(this.recurseToTable.bind(this)); if (node.textContent || node.type === 'punctuated') { const newContent = node.contentNodes.map((x) => { const newNode = EnrichMathml.cloneContentNode(x); if (newNode.hasAttribute('data-semantic-added')) { this.mrows.unshift(newNode); } else { this.recurseToTable(x); } return newNode; }); EnrichMathml.setOperatorAttribute(node, newContent); return; } node.contentNodes.forEach(this.recurseToTable.bind(this)); } finalizeTable(node) { setAttributes(node.mathmlTree, node); node.contentNodes.forEach((x) => { EnrichMathml.walkTree(x); }); node.childNodes.forEach((x) => { EnrichMathml.walkTree(x); }); } }