trigger_flags.h

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/* Libmacro - A multi-platform, extendable macro and hotkey C library
  Copyright (C) 2013 Jonathan Pelletier, New Paradigm Software

  This library 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 MCR_STANDARD_TRIGGER_FLAGS_H_
#define MCR_STANDARD_TRIGGER_FLAGS_H_

#include "mcr/base/base.h"

#ifdef __cplusplus
extern "C" {
#endif

enum mcr_TriggerFlags {
    MCR_TF_UNDEFINED = 0,
    MCR_TF_NONE = 1,
    MCR_TF_SOME = MCR_TF_NONE << 1,
    MCR_TF_INEQUAL = MCR_TF_NONE | MCR_TF_SOME,
    MCR_TF_ALL = MCR_TF_SOME << 1,
    MCR_TF_ALL_OR_NOTHING = MCR_TF_NONE | MCR_TF_ALL,
    MCR_TF_MATCH = MCR_TF_SOME | MCR_TF_ALL,
    MCR_TF_ANY = MCR_TF_NONE | MCR_TF_SOME | MCR_TF_ALL,
    MCR_TF_USER = MCR_TF_ALL << 1
};
#define MCR_TF_MASK(number) (MCR_TF_ANY & (number))

#define MCR_TF_USER_MASK(number) ((number) & (~MCR_TF_ANY))

static MCR_INLINE bool mcr_TriggerFlags_match(unsigned int triggerFlags, unsigned int lhsFlags,
                                    unsigned int rhsFlags)
{
    switch (triggerFlags) {
    case MCR_TF_NONE:
        return !(lhsFlags & rhsFlags);
        break;
    case MCR_TF_SOME:
        return lhsFlags != rhsFlags && (lhsFlags & rhsFlags);
        break;
    case MCR_TF_INEQUAL:
        return lhsFlags != rhsFlags;
        break;
    case MCR_TF_ALL:
        return lhsFlags == rhsFlags;
        break;
    case MCR_TF_ALL_OR_NOTHING:
        return lhsFlags == rhsFlags || !(lhsFlags & rhsFlags);
        break;
    case MCR_TF_MATCH:
        return !!(lhsFlags & rhsFlags);
        break;
    case MCR_TF_ANY:
        return true;
        break;
    default:
//      mcr_dmsg;
//      fprintf(stderr, "Error: Invalid "
//              MCR_STR(enum mcr_TriggerFlags) "%u\n", triggerFlags);
        break;
    }
    return false;
}

#ifdef __cplusplus
}
#endif

#endif