1 files changed, 48 insertions, 29 deletions
diff --git a/Swiften/Base/Log.h b/Swiften/Base/Log.h
index a46860f..255e478 100644
--- a/Swiften/Base/Log.h
+++ b/Swiften/Base/Log.h
@@ -1,44 +1,63 @@
 /*
- * Copyright (c) 2010-2013 Remko Tronçon
- * Licensed under the GNU General Public License v3.
- * See Documentation/Licenses/GPLv3.txt for more information.
+ * Copyright (c) 2010-2013 Isode Limited.
+ * All rights reserved.
+ * See the COPYING file for more information.
  */
 
 #pragma once
 
+#include <cstdio>
+#include <functional>
+#include <memory>
 #include <sstream>
 
 #include <Swiften/Base/API.h>
 
 namespace Swift {
-	class SWIFTEN_API Log {
-		public:
-			enum Severity {
-				error, warning, info, debug
-			};
-
-			Log();
-			~Log();
-
-			std::ostringstream& getStream(
-					Severity severity, 
-					const std::string& severityString, 
-					const std::string& file, 
-					int line,
-					const std::string& function);
-
-			static Severity getLogLevel();
-			static void setLogLevel(Severity level);
-
-		private:
-			std::ostringstream stream;
-	};
+    class SWIFTEN_API Log {
+        public:
+            enum Severity {
+                error, warning, info, debug
+            };
+            using Callback = std::function<void(Severity severity, std::string file, int line, std::string function, std::string message)>;
+
+            Log();
+            ~Log();
+
+            std::ostringstream& getStream(
+                    Severity severity,
+                    std::string severityString,
+                    std::string file,
+                    int line,
+                    std::string function);
+
+            static Severity getLogLevel();
+            static void setLogLevel(Severity level);
+            static void setLogFile(const std::string& fileName);
+            static void setLogCallback(Callback callback);
+
+        private:
+            struct LogFileClose {
+                void operator()(FILE* p) {
+                    if (p) {
+                        fclose(p);
+                    }
+                }
+            };
+            std::ostringstream stream;
+            static std::unique_ptr<FILE, LogFileClose> logfile;
+            static Callback logCallback;
+            Severity severity_;
+            std::string file_;
+            int line_;
+            std::string function_;
+    };
 }
 
 #define SWIFT_LOG(severity) \
-	if (Log::severity > Log::getLogLevel()) ; \
-	else Log().getStream(Log::severity, #severity, __FILE__, __LINE__, __FUNCTION__)
+    if (Log::severity > Log::getLogLevel()) ; \
+    else Log().getStream(Log::severity, #severity, __FILE__, __LINE__, __FUNCTION__)
 
 #define SWIFT_LOG_ASSERT(test, severity) \
-	if (Log::severity > Log::getLogLevel() || (test)) ; \
-	else Log().getStream(Log::severity, #severity, __FILE__, __LINE__, __FUNCTION__) << "Assertion failed: " << #test << ". "
+    if (Log::severity > Log::getLogLevel() || (test)) ; \
+    else Log().getStream(Log::severity, #severity, __FILE__, __LINE__, __FUNCTION__) << "Assertion failed: " << #test << ". "