Hey Jan,
I don't clearly understand what are you want.
All I can see that you are trying to call Wt::WString::operator[](int).
Probably, you want to get values of each Post by identifier ?
2010/11/29 Jan Köster <[email protected]>
> why can't I access a collection like a vector ?
>
> blog.h
> /*
> Copyright 2010 Jan Koester
>
> Licensed under the Apache License, Version 2.0 (the "License");
> you may not use this file except in compliance with the License.
> You may obtain a copy of the License at
>
> http://www.apache.org/licenses/LICENSE-2.0
>
> Unless required by applicable law or agreed to in writing, software
> distributed under the License is distributed on an "AS IS" BASIS,
> WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
> See the License for the specific language governing permissions and
> limitations under the License.
> */
> #ifndef VIEWPOSTS_H_
> #define VIEWPOSTS_H_
>
> #include <Wt/Dbo/Dbo>
> #include <Wt/Dbo/Query>
> #include <Wt/Dbo/WtSqlTraits>
> #include <Wt/Dbo/Types>
>
> class Posts : public Wt::Dbo::Dbo<Posts>
> {
> private:
> Wt::Dbo::Session Session;
> public:
> void setSession(Wt::Dbo::Session *session){
> Session = *session;
> Session.mapClass<Posts>("blog");
> };
>
> void setCategory(int *category){
> Category =*category;
> };
>
> void setQuery();
>
> int getCounts();
>
> int getId(){
> return Id;
> }
> /*Problem here*/
> Wt::WString getTitle(int id){
> return Title[id];
> }
>
> Wt::WString getAuthor(int id){
> return Author[id];
> }
>
> Wt::WString getCreated(int id){
> return Created.toString("dd.MM.yyyy")[id];
> }
> Wt::WString getContent(int id){
> return Content[id];
> }
> /* what could be wrong ?*/
> typedef Wt::Dbo::collection<Wt::Dbo::ptr<Posts>> ViewPostings;
> Wt::Dbo::ptr<Posts> entry;
> int Id,Category;
> Wt::WDate Created;
> Wt::WString Title;
> Wt::WString Author;
> Wt::WString Content;
>
> template<class Action>
> void persist(Action& a)
> {
> Wt::Dbo::field(a, Id, "id");
> Wt::Dbo::field(a, Category, "category");
> Wt::Dbo::field(a, Title, "title");
> Wt::Dbo::field(a, Author, "author");
> Wt::Dbo::field(a, Created, "created");
> Wt::Dbo::field(a, Content, "content");
> }
> };
> #endif
>
> blog.cpp
> /*
> Copyright 2010 Jan Koester
>
> Licensed under the Apache License, Version 2.0 (the "License");
> you may not use this file except in compliance with the License.
> You may obtain a copy of the License at
>
> http://www.apache.org/licenses/LICENSE-2.0
>
> Unless required by applicable law or agreed to in writing, software
> distributed under the License is distributed on an "AS IS" BASIS,
> WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
> See the License for the specific language governing permissions and
> limitations under the License.
> */
> #include <iostream>
> #include <string>
> #include <vector>
>
> #include "viewposts.h"
>
> void Posts::setQuery()
> {
> try {
> Session.createTables();
> }catch (...) { }
> Wt::Dbo::Transaction transaction(Session);
> ViewPostings viewpostings;
> if(Category>=0){
> viewpostings = Session.find<Posts>();
> }else{
> viewpostings = Session.find<Posts>().where("category =
> ?").bind(Category);
> }
> /*
> for (ViewPostings::const_iterator i = viewpostings.begin(); i !=
> viewpostings.end(); ++i){
> (*i)->Title;
> (*i)->Author;
> (*i)->Created.toString("dd.MM.yyyy");
> (*i)->Content;
> }*/
> transaction.commit();
> }
>
>
> int Posts::getCounts()
> {
> try {
> Session.createTables();
> }catch (...) { }
> Wt::Dbo::Transaction transaction(Session);
> ViewPostings viewpostings;
> if(Category>=0){
> viewpostings = Session.find<Posts>();
> }else{
> viewpostings = Session.find<Posts>().where("category =
> ?").bind(Category);
> }
> transaction.commit();
> return viewpostings.size();
> }
>
>
> ------------------------------------------------------------------------------
> Increase Visibility of Your 3D Game App & Earn a Chance To Win $500!
> Tap into the largest installed PC base & get more eyes on your game by
> optimizing for Intel(R) Graphics Technology. Get started today with the
> Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs.
> http://p.sf.net/sfu/intelisp-dev2dev
> _______________________________________________
> witty-interest mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/witty-interest
>
--
// Dmitriy.
------------------------------------------------------------------------------
Increase Visibility of Your 3D Game App & Earn a Chance To Win $500!
Tap into the largest installed PC base & get more eyes on your game by
optimizing for Intel(R) Graphics Technology. Get started today with the
Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs.
http://p.sf.net/sfu/intelisp-dev2dev
_______________________________________________
witty-interest mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/witty-interest
