Parses the results of a scan_result request.

@private
@static
@category wpa_cli
@param {string} block The section of stdout for the interface.
@returns {object} The parsed scan results.
function parse_scan_results(block) {
    var match;
    var results = [];
    var lines;
    
    lines = block.split('\n').map(function(item) { return item + "\n"; });
    lines.forEach(function(entry){
        var parsed = {};
        if ((match = entry.match(/([A-Fa-f0-9:]{17})\t/))) {
            parsed.bssid = match[1].toLowerCase();
        }

        if ((match = entry.match(/\t([\d]+)\t+/))) {
            parsed.frequency = parseInt(match[1], 10);
        }

        if ((match = entry.match(/([-][0-9]+)\t/))) {
            parsed.signalLevel = parseInt(match[1], 10);
        }

        if ((match = entry.match(/\t(\[.+\])\t/))) {
            parsed.flags = match[1];
        }

        if ((match = entry.match(/\t([^\t]{1,32}(?=\n))/))) {
            parsed.ssid = match[1];
        }

        if(!(Object.keys(parsed).length === 0 && parsed.constructor === Object)){
            results.push(parsed);
        }
    });

    return results;
}