bquery/lib/types/xml.js

bquery is a useful node module to fetch web page, which use css selector to fetch and structure this html page content.

var q = require('q'),
    xml2json = require('xml2json'),
    bquery;

exports._init   = function (n) {
    bquery = n;
};

exports.fetch  = fetch;
exports.select = select;

function fetch (url, query) {

    var deferred = q.defer();
    // if (bquery.cache.check(query)) {
    //   deferred.resolve(bquery.cache.get(query).value);
    //   return deferred.promise;
    // } else {
    return bquery.fetch(url, query).then(function (xml) {
        try {
            var parsed = JSON.parse(xml2json.toJson(xml));
            return select(parsed, query);
        } catch (e) {
            throw new Error('Could not parse XML to JSON');
        }
    });
    // }
}

function select (obj, query) {
    return bquery.json.select(obj, query);
}