Function parse

extension-src/dataTool/gexf.ts:30–61

(xml)

import * as zrUtil from 'zrender/src/core/util';

export function parse(xml) {
    let doc;
    if (typeof xml === 'string') {
        const parser = new DOMParser();
        doc = parser.parseFromString(xml, 'text/xml');
    }
    else {
        doc = xml;
    }
    if (!doc || doc.getElementsByTagName('parsererror').length) {
        return null;
    }

    const gexfRoot = getChildByTagName(doc, 'gexf');

    if (!gexfRoot) {
        return null;
    }

    const graphRoot = getChildByTagName(gexfRoot, 'graph');

    const attributes = parseAttributes(getChildByTagName(graphRoot, 'attributes'));
    const attributesMap = {};
    for (let i = 0; i < attributes.length; i++) {
        attributesMap[attributes[i].id] = attributes[i];
    }

    return {
        nodes: parseNodes(getChildByTagName(graphRoot, 'nodes'), attributesMap),
        links: parseEdges(getChildByTagName(graphRoot, 'edges'))
    };
}

function parseAttributes(parent) {
    return parent ? zrUtil.map(getChildrenByTagName(parent, 'attribute'), function (attribDom) {