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openmw-tes3mp/extern/LuaBridge/Map.h

56 lines
1.1 KiB
C

// https://github.com/vinniefalco/LuaBridge
//
// Copyright 2018, Dmitry Tarakanov
// SPDX-License-Identifier: MIT
#pragma once
#include <LuaBridge/detail/Stack.h>
#include <map>
namespace luabridge {
template <class K, class V>
struct Stack <std::map <K, V> >
{
typedef std::map <K, V> Map;
static void push(lua_State* L, const Map& map)
{
lua_createtable (L, 0, static_cast <int> (map.size ()));
typedef typename Map::const_iterator ConstIter;
for (ConstIter i = map.begin(); i != map.end(); ++i)
{
Stack <K>::push (L, i->first);
Stack <V>::push (L, i->second);
lua_settable (L, -3);
}
}
static Map get(lua_State* L, int index)
{
if (!lua_istable(L, index))
{
luaL_error(L, "#%d argments must be table", index);
}
Map map;
int const absindex = lua_absindex (L, index);
lua_pushnil (L);
while (lua_next (L, absindex) != 0)
{
map.emplace (Stack <K>::get (L, -2), Stack <V>::get (L, -1));
lua_pop (L, 1);
}
return map;
}
};
template <class K, class V>
struct Stack <std::map <K, V> const&> : Stack <std::map <K, V> >
{
};
} // namespace luabridge