* Added CLogger class for loggin info to console or file

* Added CSoundInterface
* Added basic plugin interface

1 files changed, 111 insertions, 0 deletions

diff --git a/src/common/logger.h b/src/common/logger.h
new file mode 100644
index 0000000..1b3829c
--- /dev/null
+++ b/src/common/logger.h
@@ -0,0 +1,111 @@
+// * This file is part of the COLOBOT source code
+// * Copyright (C) 2012, Polish Portal of Colobot (PPC)
+// *
+// * This program is free software: you can redistribute it and/or modify
+// * it under the terms of the GNU General Public License as published by
+// * the Free Software Foundation, either version 3 of the License, or
+// * (at your option) any later version.
+// *
+// * This program is distributed in the hope that it will be useful,
+// * but WITHOUT ANY WARRANTY; without even the implied warranty of
+// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// * GNU General Public License for more details.
+// *
+// * You should have received a copy of the GNU General Public License
+// * along with this program. If not, see  http://www.gnu.org/licenses/.
+
+// logger.h
+
+
+#pragma once
+
+#include <string>
+#include <cstdarg>
+
+#include <common/singleton.h>
+
+/**
+ *  @file common/logger.h
+ *  @brief Class for loggin information to file or console
+ */
+
+
+/**
+ * \public
+ * \enum    LogType common/logger.h
+ * \brief   Enum representing log level
+**/
+enum LogType
+{
+    LOG_INFO = 1, /*!< lowest level, information */
+    LOG_WARN = 2, /*!< warning */
+    LOG_ERROR = 3, /*!< error */
+    LOG_NONE = 4 /*!< none level, used for custom messages */
+};
+
+
+/**
+* @class CLogger
+*
+* @brief Class for loggin information to file or console
+*
+*/ 
+class CLogger : public CSingleton<CLogger>
+{
+    public:
+        CLogger();
+        ~CLogger();
+
+        /** Write message to console or file
+         * @param const char str - message to write
+         * @param ... - additional arguments
+         */
+        void Message(const char *str, ...);
+
+        /** Write message to console or file with LOG_INFO level
+         * @param const char str - message to write
+         * @param ... - additional arguments
+         */
+        void Info(const char *str, ...);
+
+        /** Write message to console or file with LOG_WARN level
+         * @param const char str - message to write
+         * @param ... - additional arguments
+         */
+        void Warn(const char *str, ...);
+
+        /** Write message to console or file with LOG_ERROR level
+         * @param const char str - message to write
+         * @param ... - additional arguments
+         */
+        void Error(const char *str, ...);
+
+        /** Set output file to write logs to
+         * @param std::string filename - output file to write to
+         */
+        void SetOutputFile(std::string filename);
+
+        /** Set log level. Logs with level below will not be shown
+         * @param LogType level - minimum log level to write
+         */
+        void SetLogLevel(LogType level);
+
+        static CLogger& GetInstance();
+        static CLogger* GetInstancePointer();
+
+    private:
+        std::string mFilename;
+        FILE *mFile;
+        LogType mLogLevel;
+
+        void Open();
+        void Close();
+        bool IsOpened();
+        void Log(LogType type, const char* str, va_list args);
+};
+
+
+//! Global function to get Logger instance
+inline CLogger* GetLogger() {
+    return CLogger::GetInstancePointer();
+}