RmlUi/Source/Lua/ElementInstancer.cpp

/*
 * This source file is part of RmlUi, the HTML/CSS Interface Middleware
 *
 * For the latest information, see http://github.com/mikke89/RmlUi
 *
 * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
 * Copyright (c) 2019 The RmlUi Team, and contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */


#include "ElementInstancer.h"


namespace Rml {
namespace Lua {
template<> void ExtraInit<ElementInstancer>(lua_State* L, int metatable_index)
{
    lua_pushcfunction(L,ElementInstancernew);
    lua_setfield(L,metatable_index-1,"new");
}

//method
int ElementInstancernew(lua_State* L)
{
    LuaElementInstancer* lei = new LuaElementInstancer(L);
    LuaType<ElementInstancer>::push(L,lei,true);
    return 1;
}

//setter
int ElementInstancerSetAttrInstanceElement(lua_State* L)
{
    LuaElementInstancer* lei = (LuaElementInstancer*)LuaType<ElementInstancer>::check(L,1);
    RMLUI_CHECK_OBJ(lei);
    
    if(lua_type(L,2) != LUA_TFUNCTION)
    {
        Log::Message(Log::LT_ERROR, "The argument to ElementInstancer.InstanceElement must be a function. You passed in a %s.", luaL_typename(L,2));
        return 0;
    }
    lei->PushFunctionsTable(L); //top of the stack is now ELEMENTINSTANCERFUNCTIONS table
    lua_pushvalue(L,2); //copy of the function
    lei->ref_InstanceElement = luaL_ref(L,-2); 
    lua_pop(L,1); //pop the ELEMENTINSTANCERFUNCTIONS table
    return 0;
}

RegType<ElementInstancer> ElementInstancerMethods[] =
{
    { nullptr, nullptr },
};

luaL_Reg ElementInstancerGetters[] =
{
    { nullptr, nullptr },
};

luaL_Reg ElementInstancerSetters[] =
{
    RMLUI_LUASETTER(ElementInstancer,InstanceElement)
    { nullptr, nullptr },
};

RMLUI_LUATYPE_DEFINE(ElementInstancer)
} // namespace Lua
} // namespace Rml