36 lines
1.6 KiB
JavaScript
36 lines
1.6 KiB
JavaScript
import { SemanticType } from '../semantic_tree/semantic_meaning.js';
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import { SemanticSkeleton } from '../semantic_tree/semantic_skeleton.js';
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import { CaseMultiindex } from './case_multiindex.js';
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import * as EnrichMathml from './enrich_mathml.js';
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import { setAttributes, Attribute } from './enrich_attr.js';
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export class CaseTensor extends CaseMultiindex {
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static test(semantic) {
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return !!semantic.mathmlTree && semantic.type === SemanticType.TENSOR;
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}
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constructor(semantic) {
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super(semantic);
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}
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getMathml() {
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EnrichMathml.walkTree(this.semantic.childNodes[0]);
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const lsub = CaseMultiindex.multiscriptIndex(this.semantic.childNodes[1]);
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const lsup = CaseMultiindex.multiscriptIndex(this.semantic.childNodes[2]);
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const rsub = CaseMultiindex.multiscriptIndex(this.semantic.childNodes[3]);
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const rsup = CaseMultiindex.multiscriptIndex(this.semantic.childNodes[4]);
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setAttributes(this.mml, this.semantic);
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const collapsed = [
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this.semantic.id,
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this.semantic.childNodes[0].id,
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lsub,
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lsup,
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rsub,
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rsup
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];
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EnrichMathml.addCollapsedAttribute(this.mml, collapsed);
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const childIds = SemanticSkeleton.collapsedLeafs(lsub, lsup, rsub, rsup);
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childIds.unshift(this.semantic.childNodes[0].id);
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this.mml.setAttribute(Attribute.CHILDREN, childIds.join(','));
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this.completeMultiscript(SemanticSkeleton.interleaveIds(rsub, rsup), SemanticSkeleton.interleaveIds(lsub, lsup));
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return this.mml;
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}
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}
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