Function luaTableHandleMany

app/src/DataModel/FrameBuilder.cpp:2509–2528

* @brief Lua C closure for tableHandleMany(table, regs) -> handles; one handle per name, -1 if * unknown. */

 *        unknown.
 */
static int luaTableHandleMany(lua_State* L)
{
  auto* store = static_cast<DataModel::DataTableStore*>(lua_touserdata(L, lua_upvalueindex(1)));
  Q_ASSERT(store);

  const QString table = QString::fromUtf8(luaL_checkstring(L, 1));
  luaL_checktype(L, 2, LUA_TTABLE);

  const lua_Integer n = luaL_len(L, 2);
  lua_newtable(L);
  for (lua_Integer i = 1; i <= n; ++i) {
    lua_geti(L, 2, i);
    const qint64 handle = store->handleOf(table, QString::fromUtf8(luaL_checkstring(L, -1)));
    lua_pop(L, 1);
    lua_pushnumber(L, static_cast<lua_Number>(handle));
    lua_seti(L, -2, i);
  }

  return 1;
}

/**
 * @brief Lua C closure for tableGetH(handle); nil for a stale or invalid handle.