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