load_flag.hpp

#pragma once
 
#include <type_traits>
 
namespace plugify {
    enum class LoadFlag {
        Default = 0, 
 
        // Unix specific.
        Lazy = 1 << 0, 
        Now = 1 << 1, 
        Global = 1 << 2, 
        Local = 1 << 3, 
        Nodelete = 1 << 4, 
        Noload = 1 << 5, 
        Deepbind = 1 << 6, 
 
        // Windows specific.
        DontResolveDllReferences = 1 << 7, 
        AlteredSearchPath = 1 << 8, 
        AsDatafile = 1 << 9, 
        AsDatafileExclusive = 1 << 10, 
        AsImageResource = 1 << 11, 
        SearchApplicationDir = 1 << 12, 
        SearchDefaultDirs = 1 << 13, 
        SearchDllLoadDir = 1 << 14, 
        SearchSystem32 = 1 << 15, 
        SearchUserDirs = 1 << 16, 
        RequireSignedTarget = 1 << 17, 
        IgnoreAuthzLevel = 1 << 18, 
        SafeCurrentDirs = 1 << 19, 
        PinInMemory = 1 << 20 
    };
 
    inline LoadFlag operator|(LoadFlag lhs, LoadFlag rhs) noexcept {
        using underlying = typename std::underlying_type<LoadFlag>::type;
        return static_cast<LoadFlag>(
                static_cast<underlying>(lhs) | static_cast<underlying>(rhs)
        );
    }
 
    inline bool operator&(LoadFlag lhs, LoadFlag rhs) noexcept {
        using underlying = typename std::underlying_type<LoadFlag>::type;
        return static_cast<underlying>(lhs) & static_cast<underlying>(rhs);
    }
 
    inline LoadFlag& operator|=(LoadFlag& lhs, LoadFlag rhs) noexcept {
        lhs = lhs | rhs;
        return lhs;
    }
}