From 3216b5c39054a8ffe115f35fc9d8d366f76fc2bc Mon Sep 17 00:00:00 2001
From: hlj <huanglijun.cz@jsoa.net>
Date: Fri, 20 May 2011 09:31:28 +0800
Subject: [PATCH 1/2] added stack track support

---
 logger.js | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/logger.js b/logger.js
index 33e5690..bcd32bd 100644
--- a/logger.js
+++ b/logger.js
@@ -42,6 +42,11 @@ var Logger = function(log_file_path) {
   // default write is STDOUT
   this.write     = sys.print;
   this.log_level_index = 3;
+  //default output stack trace
+  this.stackTrace = true;
+  //reduce unnecessary trace by the filter string.
+  //for example,set the filter equal your root path name to output the caller at your project only.
+  this.stackTraceFilter = null;
   
   // if a path is given, try to write to it
   if (log_file_path) {
@@ -95,7 +100,19 @@ Logger.prototype.log = function() {
       }
     });
     message = this.format(Logger.levels[log_index], new Date(), message);
-    this.write(message + "\n");
+    var stackstr = '';
+    if (this.stackTrace) {
+      var stack  = new Error().stack.split('\n');
+      var self = this;
+      stackstr = stack.filter(function(v){
+          if (v.indexOf('].log') > -1) return false;
+          if (self.stackTraceFilter) {
+             return  v.indexOf(self.stackTraceFilter)>-1;
+          }
+          return false;
+       }).join('\n') + '\n';
+    }
+    this.write(message + "\n" +stackstr);
     return message;
   }
   return false;

From 6d9949a3950e298b6cb028c94a67c7b0bed599c0 Mon Sep 17 00:00:00 2001
From: hlj <hlj8080@gmail.com>
Date: Wed, 15 Jun 2011 04:38:42 -0700
Subject: [PATCH 2/2] fix stacktrace level

---
 logger.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/logger.js b/logger.js
index bcd32bd..75eac49 100644
--- a/logger.js
+++ b/logger.js
@@ -45,7 +45,7 @@ var Logger = function(log_file_path) {
   //default output stack trace
   this.stackTrace = true;
   //reduce unnecessary trace by the filter string.
-  //for example,set the filter equal your root path name to output the caller at your project only.
+  //for example,set the filter equal your application's root path name to output the caller at your project only.
   this.stackTraceFilter = null;
   
   // if a path is given, try to write to it
@@ -101,7 +101,7 @@ Logger.prototype.log = function() {
     });
     message = this.format(Logger.levels[log_index], new Date(), message);
     var stackstr = '';
-    if (this.stackTrace) {
+    if (this.stackTrace && log_index < 2) {
       var stack  = new Error().stack.split('\n');
       var self = this;
       stackstr = stack.filter(function(v){
@@ -109,7 +109,7 @@ Logger.prototype.log = function() {
           if (self.stackTraceFilter) {
              return  v.indexOf(self.stackTraceFilter)>-1;
           }
-          return false;
+          return true;
        }).join('\n') + '\n';
     }
     this.write(message + "\n" +stackstr);