103 lines
3.3 KiB
JavaScript
103 lines
3.3 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.SemanticTree = void 0;
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const DomUtil = require("../common/dom_util");
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const semantic_annotations_1 = require("./semantic_annotations");
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const semantic_annotator_1 = require("./semantic_annotator");
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const semantic_mathml_1 = require("./semantic_mathml");
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const semantic_node_1 = require("./semantic_node");
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const SemanticPred = require("./semantic_pred");
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require("./semantic_heuristics");
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class SemanticTree {
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constructor(mathml) {
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this.mathml = mathml;
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this.parser = new semantic_mathml_1.SemanticMathml();
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this.root = this.parser.parse(mathml);
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this.collator = this.parser.getFactory().leafMap.collateMeaning();
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const newDefault = this.collator.newDefault();
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if (newDefault) {
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this.parser = new semantic_mathml_1.SemanticMathml();
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this.parser.getFactory().defaultMap = newDefault;
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this.root = this.parser.parse(mathml);
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}
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unitVisitor.visit(this.root, {});
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(0, semantic_annotations_1.annotate)(this.root);
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}
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static empty() {
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const empty = DomUtil.parseInput('<math/>');
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const stree = new SemanticTree(empty);
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stree.mathml = empty;
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return stree;
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}
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static fromNode(semantic, opt_mathml) {
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const stree = SemanticTree.empty();
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stree.root = semantic;
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if (opt_mathml) {
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stree.mathml = opt_mathml;
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}
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return stree;
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}
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static fromRoot(semantic, opt_mathml) {
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let root = semantic;
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while (root.parent) {
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root = root.parent;
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}
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const stree = SemanticTree.fromNode(root);
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if (opt_mathml) {
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stree.mathml = opt_mathml;
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}
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return stree;
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}
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static fromXml(xml) {
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const stree = SemanticTree.empty();
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if (xml.childNodes[0]) {
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stree.root = semantic_node_1.SemanticNode.fromXml(xml.childNodes[0]);
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}
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return stree;
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}
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xml(opt_brief) {
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const xml = DomUtil.parseInput('<stree></stree>');
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const xmlRoot = this.root.xml(xml.ownerDocument, opt_brief);
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xml.appendChild(xmlRoot);
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return xml;
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}
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toString(opt_brief) {
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return DomUtil.serializeXml(this.xml(opt_brief));
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}
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formatXml(opt_brief) {
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const xml = this.toString(opt_brief);
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return DomUtil.formatXml(xml);
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}
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displayTree() {
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this.root.displayTree();
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}
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replaceNode(oldNode, newNode) {
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const parent = oldNode.parent;
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if (!parent) {
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this.root = newNode;
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return;
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}
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parent.replaceChild(oldNode, newNode);
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}
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toJson() {
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const json = {};
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json['stree'] = this.root.toJson();
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return json;
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}
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}
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exports.SemanticTree = SemanticTree;
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const unitVisitor = new semantic_annotator_1.SemanticVisitor('general', 'unit', (node, _info) => {
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if (node.type === "infixop" &&
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(node.role === "multiplication" ||
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node.role === "implicit")) {
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const children = node.childNodes;
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if (children.length &&
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(SemanticPred.isPureUnit(children[0]) ||
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SemanticPred.isUnitCounter(children[0])) &&
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node.childNodes.slice(1).every(SemanticPred.isPureUnit)) {
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node.role = "unit";
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}
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}
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return false;
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});
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