47 lines
1.7 KiB
JavaScript
47 lines
1.7 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.CaseLimit = void 0;
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const DomUtil = require("../common/dom_util");
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const abstract_enrich_case_1 = require("./abstract_enrich_case");
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const EnrichMathml = require("./enrich_mathml");
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const enrich_attr_1 = require("./enrich_attr");
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class CaseLimit extends abstract_enrich_case_1.AbstractEnrichCase {
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constructor(semantic) {
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super(semantic);
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this.mml = semantic.mathmlTree;
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}
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static test(semantic) {
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if (!semantic.mathmlTree || !semantic.childNodes.length) {
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return false;
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}
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const mmlTag = DomUtil.tagName(semantic.mathmlTree);
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const type = semantic.type;
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return (((type === "limupper" || type === "limlower") &&
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(mmlTag === 'MSUBSUP' || mmlTag === 'MUNDEROVER')) ||
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(type === "limboth" &&
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(mmlTag === 'MSUB' ||
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mmlTag === 'MUNDER' ||
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mmlTag === 'MSUP' ||
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mmlTag === 'MOVER')));
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}
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static walkTree_(node) {
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if (node) {
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EnrichMathml.walkTree(node);
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}
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}
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getMathml() {
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const children = this.semantic.childNodes;
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if (this.semantic.type !== "limboth" &&
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this.mml.childNodes.length >= 3) {
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this.mml = EnrichMathml.introduceNewLayer([this.mml], this.semantic);
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}
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(0, enrich_attr_1.setAttributes)(this.mml, this.semantic);
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if (!children[0].mathmlTree) {
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children[0].mathmlTree = this.semantic.mathmlTree;
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}
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children.forEach(CaseLimit.walkTree_);
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return this.mml;
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}
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}
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exports.CaseLimit = CaseLimit;
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