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/*
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 *  The Mana World
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 *  Copyright (C) 2004  The Mana World Development Team
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 *
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 *  This file is part of The Mana World.
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; either version 2 of the License, or
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 *  any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 */
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#ifndef _LOG_H
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#define _LOG_H
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#include <fstream>
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class ChatWindow;
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/**
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 * The Log Class : Useful to write debug or info messages
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 */
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class Logger
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{
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    public:
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        /**
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         * Constructor.
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         */
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        Logger();
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        /**
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         * Destructor, closes log file.
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         */
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        ~Logger();
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        /**
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         * Sets the file to log to and opens it
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         */
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        void setLogFile(const std::string &logFilename);
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        /**
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         * Sets whether the log should be written to standard output.
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         */
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        void setLogToStandardOut(bool value) { mLogToStandardOut = value; }
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        /**
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         * Enables logging to chat window
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         */
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        void setChatWindow(ChatWindow *window) { mChatWindow = window; }
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        /**
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         * Enters a message in the log. The message will be timestamped.
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         */
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        void log(const char *log_text, ...)
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#ifdef __GNUC__
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            __attribute__((__format__(__printf__, 2, 3)))
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#endif
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            ;
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        /**
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         * Log an error and quit. The error will pop-up on Windows and Mac, and
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         * will be printed to standard error everywhere else.
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         */
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        void error(const std::string &error_text);
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    private:
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        std::ofstream mLogFile;
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        bool mLogToStandardOut;
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        ChatWindow *mChatWindow;
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};
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extern Logger *logger;
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#endif