C++ LUACHECKOBJ函数代码示例

int Vector2f__eq(lua_State* L)
{
    Vector2f* lhs = LuaType<Vector2f>::check(L,1);
    LUACHECKOBJ(lhs);
    Vector2f* rhs = LuaType<Vector2f>::check(L,2);
    LUACHECKOBJ(rhs);

    lua_pushboolean(L, (*lhs) == (*rhs) ? 1 : 0);
    return 1;
}

int Colourb__eq(lua_State* L)
{
    Colourb* lhs = LuaType<Colourb>::check(L,1);
    LUACHECKOBJ(lhs);
    Colourb* rhs = LuaType<Colourb>::check(L,2);
    LUACHECKOBJ(rhs);

    lua_pushboolean(L, (*lhs) == (*rhs) ? 1 : 0);
    return 1;
}

int Colourb__add(lua_State* L)
{
    Colourb* lhs = LuaType<Colourb>::check(L,1);
    LUACHECKOBJ(lhs);
    Colourb* rhs = LuaType<Colourb>::check(L,2);
    LUACHECKOBJ(rhs);

    Colourb* res = new Colourb((*lhs) + (*rhs));

    LuaType<Colourb>::push(L,res,true);
    return 1;
}

int Vector2f__sub(lua_State* L)
{
    Vector2f* lhs = LuaType<Vector2f>::check(L,1);
    LUACHECKOBJ(lhs);
    Vector2f* rhs = LuaType<Vector2f>::check(L,2);
    LUACHECKOBJ(rhs);

    Vector2f* res = new Vector2f(*lhs);
    (*res) -= (*rhs);

    LuaType<Vector2f>::push(L,res,true);
    return 1;
}

int ColourfGetAttralpha(lua_State* L)
{
    Colourf* obj = LuaType<Colourf>::check(L,1);
    LUACHECKOBJ(obj);
    lua_pushnumber(L,obj->alpha);
    return 1;
}

int ElementDataGridRowGetAttrparent_grid(lua_State* L)
{
    ElementDataGridRow* obj = LuaType<ElementDataGridRow>::check(L,1);
    LUACHECKOBJ(obj);
    LuaType<ElementDataGrid>::push(L,obj->GetParentGrid(),false);
    return 1;
}

int ElementDataGridRowGetAttrtable_relative_index(lua_State* L)
{
    ElementDataGridRow* obj = LuaType<ElementDataGridRow>::check(L,1);
    LUACHECKOBJ(obj);
    lua_pushinteger(L,obj->GetTableRelativeIndex());
    return 1;
}

//getters
int ElementDataGridRowGetAttrrow_expanded(lua_State* L)
{
    ElementDataGridRow* obj = LuaType<ElementDataGridRow>::check(L,1);
    LUACHECKOBJ(obj);
    lua_pushboolean(L,obj->IsRowExpanded());
    return 1;
}

int DocumentGetAttrcontext(lua_State* L)
{
    Document* doc = LuaType<Document>::check(L,1);
    LUACHECKOBJ(doc);
    LuaType<Context>::push(L,doc->GetContext(),false);
    return 1;
}

//getters
int DocumentGetAttrtitle(lua_State* L)
{
    Document* doc = LuaType<Document>::check(L,1);
    LUACHECKOBJ(doc);
    lua_pushstring(L,doc->GetTitle().CString());
    return 1;
}

//[1] is the object, [2] is the previous key, [3] is the userdata
int SelectOptionsProxy__ipairs(lua_State* L)
{
    SelectOptionsProxy* proxy = LuaType<SelectOptionsProxy>::check(L,1);
    LUACHECKOBJ(proxy);
    int* pindex = (int*)lua_touserdata(L,3);
    if((*pindex) == -1)
        *pindex = 0;
    SelectOption* opt = NULL;
    while((*pindex) < proxy->owner->GetNumOptions())
    {
        opt = proxy->owner->GetOption((*pindex)++);
        if(opt != NULL) 
            break;
    }
    //we got to the end without finding an option
    if(opt == NULL)
    {
        lua_pushnil(L);
        lua_pushnil(L);
    }
    else //we found an option
    {
        lua_pushinteger(L,(*pindex)-1); //key
        lua_newtable(L); //value
        //fill the value
        LuaType<Rocket::Core::Element>::push(L,opt->GetElement());
        lua_setfield(L,-2,"element");
        lua_pushstring(L,opt->GetValue().CString());
        lua_setfield(L,-2,"value");
    }
    return 2;
}

//getters
int ElementFormControlGetAttrdisabled(lua_State* L)
{
    ElementFormControl* efc = LuaType<ElementFormControl>::check(L,1);
    LUACHECKOBJ(efc);
    lua_pushboolean(L,efc->IsDisabled());
    return 1;
}

int ColourbGetAttralpha(lua_State* L)
{
    Colourb* obj = LuaType<Colourb>::check(L,1);
    LUACHECKOBJ(obj);
    lua_pushinteger(L,obj->alpha);
    return 1;
}

int ElementFormControlGetAttrvalue(lua_State* L)
{
    ElementFormControl* efc = LuaType<ElementFormControl>::check(L,1);
    LUACHECKOBJ(efc);
    lua_pushstring(L,efc->GetValue().CString());
    return 1;
}

//[1] is the object, [2] is the last used key, [3] is the userdata
int ContextDocumentsProxy__pairs(lua_State* L)
{
    Document* doc = NULL;
    ContextDocumentsProxy* obj = LuaType<ContextDocumentsProxy>::check(L,1);
    LUACHECKOBJ(obj);
    int* pindex = (int*)lua_touserdata(L,3);
    if((*pindex) == -1)
        *pindex = 0;

    int num_docs = obj->owner->GetNumDocuments();
    //because there can be missing indexes, make sure to continue until there
    //is actually a document at the index
    while((*pindex) < num_docs)
    {
        doc = obj->owner->GetDocument((*pindex)++);
        if(doc != NULL)
            break;
    }

    //If we found a document 
    if(doc != NULL)
    {
        lua_pushstring(L,doc->GetId().CString());
        LuaType<Document>::push(L,doc);
    }
    else //if we were at the end and didn't find a document
    {
        lua_pushnil(L);
        lua_pushnil(L);
    }
    return 2;
}