Detect-It-Easy/db/_db_caching

function _forceCaching(fn) {
    var cacheStore = {};

    return function() {
        var args = Array.prototype.slice.call(arguments),
            key = JSON.stringify(args);

        if (cacheStore.hasOwnProperty(key)) {
            return cacheStore[key];
        }

        return cacheStore[key] = fn.apply(this, arguments);
    };
}


var useBetaDieEngineCachingTechology = true;

if (useBetaDieEngineCachingTechology) {
    var classNames = [
        "Amiga", "APK", "Archive", "Binary", "COM", "DEX", "DOS4G", "DOS16M",
        "ELF", "IPA", "JAR", "LE", "LX", "MACH", "MACHOFAT", "MSDOS", "NE", "NPM", "PDF", "PE", "ZIP"
    ];

    var methodsToWrap = [
        "isSignaturePresent",
        "isSignatureInSectionPresent",
        "findSignature",
        "compare",
        "findString"
    ];

    for (var i = 0; i < classNames.length; i++) {
        var className = classNames[i];

        try {
            if (typeof this[className] === "object" || typeof this[className] === "function") {
                var cls = this[className];

                for (var j = 0; j < methodsToWrap.length; j++) {
                    var methodName = methodsToWrap[j];
                    if (typeof cls[methodName] === "function") {
                        cls[methodName] = _forceCaching(cls[methodName]);
                    }
                }
            }
        } catch (e) {
            _error(e.message);
        }
    }

    try {
        if (typeof this.PE !== "undefined" && typeof this.PE.isNetObjectPresent === "function") {
            this.PE.isNetObjectPresent = _forceCaching(this.PE.isNetObjectPresent);
        }
    } catch (e) {
        _error(e.message);
    }
}