import * as DomUtil from '../common/dom_util.js';
import { annotate } from './semantic_annotations.js';
import { SemanticVisitor } from './semantic_annotator.js';
import { SemanticRole } from './semantic_meaning.js';
import { SemanticMathml } from './semantic_mathml.js';
import { SemanticNode } from './semantic_node.js';
import * as SemanticPred from './semantic_pred.js';
import './semantic_heuristics.js';
export class SemanticTree {
static empty() {
const empty = DomUtil.parseInput('');
const stree = new SemanticTree(empty);
stree.mathml = empty;
return stree;
}
static fromNode(semantic, opt_mathml) {
const stree = SemanticTree.empty();
stree.root = semantic;
if (opt_mathml) {
stree.mathml = opt_mathml;
}
return stree;
}
static fromRoot(semantic, opt_mathml) {
let root = semantic;
while (root.parent) {
root = root.parent;
}
const stree = SemanticTree.fromNode(root);
if (opt_mathml) {
stree.mathml = opt_mathml;
}
return stree;
}
static fromXml(xml) {
const stree = SemanticTree.empty();
if (xml.childNodes[0]) {
stree.root = SemanticNode.fromXml(xml.childNodes[0]);
}
return stree;
}
constructor(mathml) {
this.mathml = mathml;
this.parser = new SemanticMathml();
this.root = this.parser.parse(mathml);
this.collator = this.parser.getFactory().leafMap.collateMeaning();
const newDefault = this.collator.newDefault();
if (newDefault) {
this.parser = new SemanticMathml();
this.parser.getFactory().defaultMap = newDefault;
this.root = this.parser.parse(mathml);
}
unitVisitor.visit(this.root, {});
annotate(this.root);
}
xml(opt_brief) {
const xml = DomUtil.parseInput('');
const xmlRoot = this.root.xml(xml.ownerDocument, opt_brief);
xml.appendChild(xmlRoot);
return xml;
}
toString(opt_brief) {
return DomUtil.serializeXml(this.xml(opt_brief));
}
formatXml(opt_brief) {
const xml = this.toString(opt_brief);
return DomUtil.formatXml(xml);
}
displayTree() {
this.root.displayTree();
}
replaceNode(oldNode, newNode) {
const parent = oldNode.parent;
if (!parent) {
this.root = newNode;
return;
}
parent.replaceChild(oldNode, newNode);
}
toJson() {
const json = {};
json['stree'] = this.root.toJson();
return json;
}
}
const unitVisitor = new SemanticVisitor('general', 'unit', (node, _info) => {
if (SemanticPred.isUnitProduct(node)) {
node.role = SemanticRole.UNIT;
}
return false;
});