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- import * as DomUtil from '../common/dom_util.js';
- import { SemanticRole } 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 { makeIdList, setAttributes, Attribute } from './enrich_attr.js';
- export class CaseDoubleScript extends AbstractEnrichCase {
- static test(semantic) {
- if (!semantic.mathmlTree || !semantic.childNodes.length) {
- return false;
- }
- const mmlTag = DomUtil.tagName(semantic.mathmlTree);
- const role = semantic.childNodes[0].role;
- return ((mmlTag === MMLTAGS.MSUBSUP && role === SemanticRole.SUBSUP) ||
- (mmlTag === MMLTAGS.MUNDEROVER && role === SemanticRole.UNDEROVER));
- }
- constructor(semantic) {
- super(semantic);
- this.mml = semantic.mathmlTree;
- }
- getMathml() {
- const ignore = this.semantic.childNodes[0];
- const baseSem = ignore.childNodes[0];
- const supSem = this.semantic.childNodes[1];
- const subSem = ignore.childNodes[1];
- const supMml = EnrichMathml.walkTree(supSem);
- const baseMml = EnrichMathml.walkTree(baseSem);
- const subMml = EnrichMathml.walkTree(subSem);
- setAttributes(this.mml, this.semantic);
- this.mml.setAttribute(Attribute.CHILDREN, makeIdList([baseSem, subSem, supSem]));
- [baseMml, subMml, supMml].forEach((child) => EnrichMathml.getInnerNode(child).setAttribute(Attribute.PARENT, this.mml.getAttribute(Attribute.ID)));
- this.mml.setAttribute(Attribute.TYPE, ignore.role);
- EnrichMathml.addCollapsedAttribute(this.mml, [
- this.semantic.id,
- [ignore.id, baseSem.id, subSem.id],
- supSem.id
- ]);
- return this.mml;
- }
- }
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