49 lines
2.1 KiB
JavaScript
49 lines
2.1 KiB
JavaScript
"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.js");
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const semantic_meaning_js_1 = require("../semantic_tree/semantic_meaning.js");
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const semantic_util_js_1 = require("../semantic_tree/semantic_util.js");
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const abstract_enrich_case_js_1 = require("./abstract_enrich_case.js");
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const EnrichMathml = require("./enrich_mathml.js");
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const enrich_attr_js_1 = require("./enrich_attr.js");
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class CaseLimit extends abstract_enrich_case_js_1.AbstractEnrichCase {
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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 === semantic_meaning_js_1.SemanticType.LIMUPPER || type === semantic_meaning_js_1.SemanticType.LIMLOWER) &&
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(mmlTag === semantic_util_js_1.MMLTAGS.MSUBSUP || mmlTag === semantic_util_js_1.MMLTAGS.MUNDEROVER)) ||
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(type === semantic_meaning_js_1.SemanticType.LIMBOTH &&
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(mmlTag === semantic_util_js_1.MMLTAGS.MSUB ||
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mmlTag === semantic_util_js_1.MMLTAGS.MUNDER ||
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mmlTag === semantic_util_js_1.MMLTAGS.MSUP ||
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mmlTag === semantic_util_js_1.MMLTAGS.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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constructor(semantic) {
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super(semantic);
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this.mml = semantic.mathmlTree;
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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 !== semantic_meaning_js_1.SemanticType.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_js_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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