Lastest Pier

[Lukas Renggli]

> I tried to play with the lastest Pier and I found it great to add the
> formattings. I even uploaded my kernel (via ReferenceStream) and it  
> runs
> well. My specific classes just needed to be upgraded to replace
> WARendererHtmlRoot to WAHtmlRoot and use #nextPutAll: in my hack of
> MyWARender>>#writeOnLoadOn: (actually I added a #onResizeScripts  
> for my
> session). Quite easy! but I would like to have some enlightenments  
> about
> this actual version of Pier:
>
> 1) Pier-blog doesn't work. What's the actual state of it?

It works (at least on my web site and in my development image), you  
just have to use the right versions of Seaside and RSRSS:

Magritte-All-lr.211 (the latest)
Pier-All-lr.189 (the latest)
	Pier-Blog-lr.50
Seaside2.8a1-lr.218 (not quite the latest, as the latest is buggy)
RSRSS-pmm.26 (not quite the latest, as the latest only works with the  
buggy seaside)

> 2) I explore my new kernel and I can see the new PRVisitor I added  
> in my
> content (like PRItalicFormat for example) and I thought: What if there
> is no well-suited visitors ? Could there be a way to downgrade a pier
> application ? For example, I got the pier-r2d2 version and a friend of
> me has the old pier-r2d1 version: I would be glad to send my kernel to
> him but he doesn't have the special PRC3POVisitor I added. It could be
> cool to "parse" a unknown PRVisitor heir as a new class  
> PRUnknownVisitor
> so that the mutilated pier kernel could work (the PRUnkownVisitor  
> thing
> could even remember the original tag if the pier classes finally are
> updated to r2d2). This is just a suggestion. This idea could be  
> great as
> (I hope) the number of pier webmasters should grow in the future and
> everyone could be able to add its own specific text formatters.

I don't really get what you mean, sorry. If you convert the tree to a  
string and parse it with the old/new parser you get a new ast without  
loosing any information. This works both ways round. You could change  
the way documents are serialized, not as a tree but as a string.
>
> 3) I think I read about some classes/projects to manage multiple
> PRStructure (I often hack my environment to add my special +newclass 
> +).
> Is there any work about it?

Again I have some problems to understand. You can add your  
environment templates to the class side of PRChangeEnvironment into  
an (extension) cathegory ending on #environment (a hack to keep  
people that use images without pragmas) and Pier will allow you to  
choose from one.

Cheers,
Lukas

-- 
Lukas Renggli
http://www.lukas-renggli.ch