//our logger interface
function Logger() {
this.initialized = false;
this.currentLevel = this.fatalL;
this.messages = new Array();
this.locked = false;
return this;
}
Logger.debugL = 5;
Logger.infoL = 4;
Logger.warnL = 3;
Logger.errorL = 2;
Logger.fatalL = 1;
Logger.prototype.setLevel = function(l) {
this.currentLevel = l;
};
Logger.prototype.__init = function() {
this.initialized = true;
var k = function(self, win) {
self.log_window = win.open("", "logger", "width=500,height=600,toolbar=no,scrollbars=yes");
self.log_window.document.write("Logger Console
");
self.log_window.document.close();
self.document = self.log_window.document;
win.focus();
function writer(self) {
var msgs = [];
self.locked = true;
//lock
if (self.messages.length > 0) {
msgs = self.messages;
self.messages = new Array();
}
self.locked = false;
//unlock
for (var i = 0; i < msgs.length; i++) {
var newDiv = self.document.createElement("div");
newDiv.innerHTML = msgs[i];
var mainDiv = self.document.getElementById("main");
//mainDiv.insertBefore(newDiv,mainDiv.firstChild);
mainDiv.appendChild(newDiv);
}
setTimeout(curry(writer, window, self), 900);
}
setTimeout(curry(writer, window, self), 900);
win.focus();
}
setTimeout(curry(k, window, this, window), 200);
}
Logger.prototype.__ff = function(a) {
return((a < 10) ? "0" + a : new String(a));
}
Logger.prototype.__write = function(str) {
if (!this.initialized) {
this.__init();
}
var now = new Date();
while (this.locked) {
//wait
}
this.messages.push(
this.__ff(now.getHours()) + ":" + this.__ff(now.getMinutes()) + ":" + this.__ff(now.getSeconds()) + " " + str + "
");
};
Logger.prototype.debug = function(str) {
if (this.currentLevel >= Logger.debugL) this.__write("DEBUG: " + str);
};
Logger.prototype.info = function(str) {
if (this.currentLevel >= Logger.infoL) this.__write("INFO: " + str);
};
Logger.prototype.warn = function(str) {
if (this.currentLevel >= Logger.warnL) this.__write("WARN: " + str);
};
Logger.prototype.error = function(str) {
if (this.currentLevel >= Logger.errorL) this.__write("ERROR: " + str);
};
Logger.prototype.fatal = function(str) {
if (this.currentLevel >= Logger.fatalL) this.__write("FATAL: " + str);
};
//create global Logger instance
var LOG = new Logger();
/*
Usage:
a = myFunc(); becomes a = mfProfile(myFunc);
x = otherFunc(p1,p2); becomes x = mfProfile(otherFunc,p1,p2);
*/
function mfProfile() {
var unpackArgArray = function(num) {
var s = "";
for (var i = 0; i < num; i++) {
if (i > 0) {
s = s + ",";
}
s = s + "arguments[" + (i + 1) + "]";
}
return s;
}
var d1,d2,dd;
d1 = new Date();
var r = eval("arguments[0](" + unpackArgArray(arguments.length - 1) + ")");
d2 = new Date();
dd = (d2.getTime() - d1.getTime()) / 1000;
var myUndef;
var nameF = arguments[0].toString();
nameF = nameF.split("(", 1);
LOG.debug("mfProfile says " + nameF[0] + " took " + dd + " seconds.");
return r;
}
//functional programming here we come :-)
function curry(fn, scope) {
var scope = scope || window;
var args = [];
for (var i = 2, len = arguments.length; i < len; ++i) {
args.push(arguments[i]);
}
;
return function() {
fn.apply(scope, args);
};
}
//credits go to prototype.js -> http://www.prototypejs.org
//you do not need these if you just use prototype
function _mfA(iterable) {
if (!iterable) return [];
if (iterable.toArray){
return iterable.toArray();
} else {
var results = [];
for (var i = 0, length = iterable.length; i < length; i++){
results[i] = iterable[i];
}
return results;
}
}
Function.prototype.curryAlt = function() {
//alert(arguments);
if (!arguments.length) return this;
var __method = this, args = _mfA(arguments);
return function() {
return __method.apply(this, args.concat(_mfA(arguments)));
}
};