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exception.hpp

/*      _______   __   __   __   ______   __   __   _______   __   __
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 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
 *
 * Copyright (c) 2004, 2005, 2006, 2007 Olof Naessén and Per Larsson
 *
 *                                                         Js_./
 * Per Larsson a.k.a finalman                          _RqZ{a<^_aa
 * Olof Naessén a.k.a jansem/yakslem                _asww7!uY`>  )\a//
 *                                                 _Qhm`] _f "'c  1!5m
 * Visit: http://guichan.darkbits.org             )Qk<P ` _: :+' .'  "{[
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#ifndef GCN_EXCEPTION_HPP
#define GCN_EXCEPTION_HPP

#include <string>

#include "guichan/platform.hpp"


#ifdef _MSC_VER
#if _MSC_VER <= 1200
#define __FUNCTION__ "?"
#endif
#endif

/*
 * A macro to be used when throwing exceptions.
 * What it basicly does is that it creates a new exception
 * and automatically sets the filename and line number where
 * the exception occured.
 */
#define GCN_EXCEPTION(mess) gcn::Exception(mess,   \
                            __FUNCTION__,          \
                            __FILE__,              \
                            __LINE__)

namespace gcn
{

    /**
     * An exception containing a message, a file and a line number.
     * Guichan will only throw exceptions of this class. You can use
     * this class for your own exceptions. A nifty feature of the
     * excpetion class is that it can tell you from which line and
     * file it was thrown. To make things easier when throwing
     * exceptions there exists a macro for creating exceptions
     * which automatically sets the filename and line number.
     *
     * EXAMPLE: @code
     *          throw GCN_EXCEPTION("my error message");
     *          @endcode
     */
00098     class GCN_CORE_DECLSPEC Exception
    {
    public:

        /**
         * Constructor.
         */
        Exception();

        /**
         * Constructor.
         *
         * @param message the error message.
         */
        Exception(const std::string& message);

        /**
         * Constructor.
         *
         * NOTE: Don't use this constructor. Use the GCN_EXCEPTION macro instead.
         *
         * @param message the error message.
         * @param function the function name.
         * @param filename the name of the file.
         * @param line the line number.
         */
        Exception(const std::string& message,
                  const std::string& function,
                  const std::string& filename,
                  int line);

        /**
         * Gets the function name in which the exception was thrown.
         *
         * @return the function name in which the exception was thrown.
         */
        const std::string& getFunction() const;

        /**
         * Gets the error message of the exception.
         *
         * @return the error message.
         */
        const std::string& getMessage() const;

        /**
         * Gets the filename in which the exceptions was thrown.
         *
         * @return the filename in which the exception was thrown.
         */
        const std::string& getFilename() const;

        /**
         * Gets the line number of the line where the exception was thrown.
         *
         * @return the line number of the line where the exception was thrown.
         */
        int getLine() const;

    protected:
        std::string mFunction;
        std::string mMessage;
        std::string mFilename;
        int mLine;
    };
}

#endif // end GCN_EXCEPTION_HPP

/*
 * "Final Fantasy XI is the BEST!... It's even better then water!"
 *  - Astrolite
 * I believe it's WoW now days.
 */

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