version.h

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/***************************************************************************
 *   Copyright (C) 2005-2013 by the FIFE team                              *
 *   http://www.fifengine.net                                              *
 *   This file is part of FIFE.                                            *
 *                                                                         *
 *   FIFE is free software; you can redistribute it and/or                 *
 *   modify it under the terms of the GNU Lesser General Public            *
 *   License as published by the Free Software Foundation; either          *
 *   version 2.1 of the License, or (at your option) any later version.    *
 *                                                                         *
 *   This library 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     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
 ***************************************************************************/

#ifndef FIFE_VERSION_H
#define FIFE_VERSION_H

#ifndef FIFE_MAJOR_VERSION
    #define FIFE_MAJOR_VERSION 0
#endif
#ifndef FIFE_MINOR_VERSION
    #define FIFE_MINOR_VERSION 4
#endif
#ifndef FIFE_PATCH_VERSION
    #define FIFE_PATCH_VERSION 0
#endif

#ifndef FIFE_PRERELEASE_TYPE
    #define FIFE_PRERELEASE_TYPE 0
#endif
#ifndef FIFE_PRERELEASE_VERSION
    #define FIFE_PRERELEASE_VERSION 0
#endif

/***************************************************************************
 * Do not update anything below this line!
 ***************************************************************************/

#define FIFE_STR(s)         # s
#define FIFE_XSTR(s)        FIFE_STR(s)

#define FIFE_DOT(a,b)       a.b
#define FIFE_XDOT(a,b)      FIFE_DOT(a,b)

#define FIFE_PLUS(a,b)      a+b
#define FIFE_XPLUS(a,b)     FIFE_PLUS(a,b)

#define FIFE_MINUS(a,b)     a-b
#define FIFE_XMINUS(a,b)    FIFE_MINUS(a,b)

#if FIFE_PRERELEASE_TYPE==1
    #define FIFE_PRERELEASE alpha
#elif FIFE_PRERELEASE_TYPE==2
    #define FIFE_PRERELEASE beta
#elif FIFE_PRERELEASE_TYPE==3
    #define FIFE_PRERELEASE rc
#endif

#if FIFE_PRERELEASE_VERSION>0
    #ifdef FIFE_PRERELEASE
        #define FIFE_PRERELEASE_STR \
            FIFE_XDOT( \
                FIFE_PRERELEASE, \
                FIFE_PRERELEASE_VERSION \
            )
    #endif
#endif

#define FIFE_VERSION \
    FIFE_XDOT( \
        FIFE_XDOT(FIFE_MAJOR_VERSION, FIFE_MINOR_VERSION), \
        FIFE_PATCH_VERSION \
    )

#ifdef FIFE_PRERELEASE_STR
    #define FIFE_VERSION_STRING \
        FIFE_XMINUS( \
            FIFE_VERSION, \
            FIFE_PRERELEASE_STR \
        )
#endif
#ifdef FIFE_GIT_HASH
    #ifndef FIFE_VERSION_STRING
        #define FIFE_VERSION_STRING \
            FIFE_XPLUS( \
                FIFE_VERSION, \
                FIFE_GIT_HASH \
            )
    #else
        #undef FIFE_VERSION_STRING
        #ifdef FIFE_PRERELEASE_STR
            #define FIFE_VERSION_STRING \
                FIFE_XMINUS( \
                    FIFE_VERSION, \
                    FIFE_XPLUS( \
                        FIFE_PRERELEASE_STR, \
                        FIFE_GIT_HASH \
                    ) \
                )
        #else
            #define FIFE_VERSION_STRING \
                FIFE_XPLUS( \
                    FIFE_VERSION, \
                    FIFE_GIT_HASH \
                )
        #endif
    #endif
#else
    #define FIFE_GIT_HASH ""
#endif


// This is an actual release
#ifndef FIFE_VERSION_STRING
    #define FIFE_VERSION_STRING FIFE_VERSION
#endif

namespace FIFE {
    inline const char* getVersion() {
        return FIFE_XSTR(FIFE_VERSION_STRING);
    }

    inline int getMajor() {
        return FIFE_MAJOR_VERSION;
    }

    inline int getMinor() {
        return FIFE_MINOR_VERSION;
    }

    inline int getPatch() {
        return FIFE_PATCH_VERSION;
    }

    inline const char* getHash() {
        return FIFE_XSTR(FIFE_GIT_HASH);
    }
} //FIFE

//cleanup
#undef FIFE_STR
#undef FIFE_XSTR
#undef FIFE_DOT
#undef FIFE_XDOT
#undef FIFE_PLUS
#undef FIFE_XPLUS
#undef FIFE_MINUS
#undef FIFE_XMINUS
#undef FIFE_VERSION_STRING
#undef FIFE_VERSION
#undef FIFE_PRERELEASE
#undef FIFE_PRERELEASE_STR

#endif //FIFE_VERSION_H