removed main function, now using felixge's sandboxed-module, split code into multiple files

lib/levels.js

@@ -0,0 +1,57 @@
+function Level(level, levelStr, colour) {
+    this.level = level;
+    this.levelStr = levelStr;
+    this.colour = colour;
+}
+
+/**
+ * converts given String to corresponding Level
+ * @param {String} sArg String value of Level
+ * @param {Log4js.Level} defaultLevel default Level, if no String representation
+ * @return Level object
+ * @type Log4js.Level
+ */
+function toLevel(sArg, defaultLevel) {
+
+    if (sArg === null) {
+	return defaultLevel;
+    }
+
+    if (typeof sArg == "string") {
+	var s = sArg.toUpperCase();
+	if (module.exports[s]) {
+	    return module.exports[s];
+	}
+    }
+    return defaultLevel;
+};
+
+Level.prototype.toString = function() {
+    return this.levelStr;
+};
+
+Level.prototype.isLessThanOrEqualTo = function(otherLevel) {
+    if (typeof otherLevel === "string") {
+        otherLevel = Level.toLevel(otherLevel);
+    }
+    return this.level <= otherLevel.level;
+};
+
+Level.prototype.isGreaterThanOrEqualTo = function(otherLevel) {
+    if (typeof otherLevel === "string") {
+        otherLevel = Level.toLevel(otherLevel);
+    }
+    return this.level >= otherLevel.level;
+};
+
+module.exports = {
+    ALL: new Level(Number.MIN_VALUE, "ALL", "grey")
+  , TRACE: new Level(5000, "TRACE", "blue")
+  , DEBUG: new Level(10000, "DEBUG", "cyan")
+  , INFO: new Level(20000, "INFO", "green")
+  , WARN: new Level(30000, "WARN", "yellow")
+  , ERROR: new Level(40000, "ERROR", "red")
+  , FATAL: new Level(50000, "FATAL", "magenta")
+  , OFF: new Level(Number.MAX_VALUE, "OFF", "grey")
+  , toLevel: toLevel
+};