phodal/echoesworks

var parser = function () {
    var that = this;
    if(that.source){
        parser.init(that.source);
    }
};

parser.data = [];

parser.init = function (source) {
    var request = new XMLHttpRequest();
    request.onreadystatechange = function () {
        if (request.readyState === 4 && (request.status === 200 || request.status === 0)) {
            parser.parse(JSON.parse(request.responseText));
        }
    };

    request.open('GET', source, true);
    request.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
    request.send();
};

parser.parse = function (data) {
    var times = [],
        codes = [],
        words = [],
        results;

    function callback(element) {
        times.push(element.time);
        codes.push(element.code);
        words.push(element.word);
    }

    data.forEach(callback);
    results = {
        times: times,
        codes: codes,
        words: words
    };
    parser.data = results;
    return results;
};

parser.parseTime = function(times) {
    var pattern = /\[\d{2}:\d{2}.\d{2}\]/g,
        result = [];

    times.forEach(function(v1) {
        var t = v1.slice(1, -1).split(':');
        var value = v1.replace(pattern, '');
        result.push([parseFloat(t[0]) * 60 + parseFloat(t[1]), value][0]);
    });
    return result;
};

EchoesWorks.prototype = EchoesWorks.extend(EchoesWorks.prototype, {parser: parser});