Cheers Ross, that is really nice. :)
salu2 El vie, 16-09-2005 a las 00:04 +0100, Ross Gardler escribió: > Thorsten Scherler wrote: > > On Thu, 2005-09-15 at 11:52 +0100, Ross Gardler wrote: > > .... > > > >>As things are today it is not possible to have dependencies between > >>plugins. However, Daniel (from Cocoon) showed me how we can use a > >>feature of Cocoon blocks (wiring.xml) to manage ingheritance between > >>plugins. > >> > >>In other words we can write a docbook plugin that extends the XHTML > >>plugin. It will use the docbook stylsheets to convert to XHTML and then > >>the XHTML plugin to convert to our internal format. I've not found a use > >>case strong enough for me to take the time to implement this yet, > >>however, if anyone wants to tackle it I'll be happy to pass on what > >>Daniel showed me. > > > > > > Please show us, I would be very interested. > > The "technical side" is really easy. What I haven't thought through yet > is how to define the dependencies within the plugins.xml file. That is, > if the docbook plugin depends on the XHTML plugin, how do we ensure that > the plugin install system downloads and installs both of them when we > only define the Docbook plugin. > > Of course, the first instance could rely on the user adding the > dependencies. > > For the techincal stuf take a look at wiring.xml [1] > > This file describes the relationship (wiring) between three blocks > test1id, test2id and test3id. > > test1id is connected to test2id > test3id is connected to test1id > > Now look in the sitemaps for these blocks. In the sitemap for test1 you > will see a match like this: > > <map:match pattern="test2"> > <map:generate src="block:test2:/test"/> > <map:serialize/> > </map:match> > > The "block:test2" protocol makes a request on test2 (note this is the > name of the connection identified in wiring.xml) > > You can see other examples of the use of connections in the various > sitemaps. The best way to explore is actually to run the tests and look > at what happens with the various requests. > > Daniel talked me through this stuf at Apachecon so if you have questions > try asking here first. I don;t guarentee I know the answers but I've not > played with this stuf yet so in exploring the answers I'll learn plenty. > > Ross > > [1] > http://svn.apache.org/viewcvs.cgi/cocoon/trunk/src/test/org/apache/cocoon/test/components/blocks/wiring.xml?view=markup
