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- import * as DomUtil from '../common/dom_util.js';
- import { SemanticRole, SemanticType } from '../semantic_tree/semantic_meaning.js';
- import { MMLTAGS } from '../semantic_tree/semantic_util.js';
- import { AbstractEnrichCase } from './abstract_enrich_case.js';
- import * as EnrichMathml from './enrich_mathml.js';
- import { setAttributes, Attribute } from './enrich_attr.js';
- export class CaseMultiindex extends AbstractEnrichCase {
- static multiscriptIndex(index) {
- if (index.type === SemanticType.PUNCTUATED &&
- index.contentNodes[0].role === SemanticRole.DUMMY) {
- return EnrichMathml.collapsePunctuated(index);
- }
- EnrichMathml.walkTree(index);
- return index.id;
- }
- static createNone_(semantic) {
- const newNode = DomUtil.createElement('none');
- if (semantic) {
- setAttributes(newNode, semantic);
- }
- newNode.setAttribute(Attribute.ADDED, 'true');
- return newNode;
- }
- constructor(semantic) {
- super(semantic);
- this.mml = semantic.mathmlTree;
- }
- completeMultiscript(rightIndices, leftIndices) {
- const children = DomUtil.toArray(this.mml.childNodes).slice(1);
- let childCounter = 0;
- const completeIndices = (indices) => {
- for (const index of indices) {
- const child = children[childCounter];
- if (child && index === parseInt(child.getAttribute(Attribute.ID))) {
- child.setAttribute(Attribute.PARENT, this.semantic.id.toString());
- childCounter++;
- }
- else if (!child ||
- index !==
- parseInt(EnrichMathml.getInnerNode(child).getAttribute(Attribute.ID))) {
- const query = this.semantic.querySelectorAll((x) => x.id === index);
- this.mml.insertBefore(CaseMultiindex.createNone_(query[0]), child || null);
- }
- else {
- EnrichMathml.getInnerNode(child).setAttribute(Attribute.PARENT, this.semantic.id.toString());
- childCounter++;
- }
- }
- };
- completeIndices(rightIndices);
- if (children[childCounter] &&
- DomUtil.tagName(children[childCounter]) !== MMLTAGS.MPRESCRIPTS) {
- this.mml.insertBefore(children[childCounter], DomUtil.createElement('mprescripts'));
- }
- else {
- childCounter++;
- }
- completeIndices(leftIndices);
- }
- }
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