A general pluginterface

The main PHP script of ErfurtWiki contains everything necessary to run a wiki site (except the html around which make up your sites` layout). However at some point of its development the extensions got too large to be included into the core without hurting speed. So from now non-essential but powerful extensions can be added (using just PHPs include() statement) into the engine through the new pluginterface, which is surprisingly just a simple array structure listing the extension functions.Diapering

Please see the README for more informations about it.

List of plugin calls(ListOfPlugins also available):

The readme suggests greping the source code to get a current list of all plugins, this perl/shell utils snippet does the job:

cat $(find -type f) | perl -n -e 'if ($_ =~ 
     /\$ewiki_plugins\["(.*?)"\]\["?(.*?)"?\]/ )
     {print "Plugin Group:$1 Item:$2\n";}'  | 
     sort -u

Originally extracted from the CVS(Aug 18, 2003):

Looking at some of the code this morning it seems that [view_append][-1], [view_final][-1], and a few other numeric positions are apparently reserved for special functions, should we codify this with constants i.e. [view_append][EWIKI_APPEND_CONTROLSLINKS] and [view_append][EWIKI_ADD_TITLE]? I ask because I'm adding code to the calender plugin to display titles of calender pages as a date. -- Andy Cookware & Baking

Right, the -5 is in init FWIW. The concern I have is what if the title moves from -1 to -3? Can I still plugin replace it? With a constant(EWIKI_ADD_TITLE_POSITION?) I could follow the change without any special effort. -- Andy

Ok, here's how I'm trying to use the plugin architecture, I want to replace whatever title print routine they are using with my own, which calls the original one for titles of no interest to it. Thus I have within my plugin:

$ewiki_plugins["print_title"]=$ewiki_plugins["view_final"][-1];
$ewiki_plugins["view_final"][-1]="ewiki_calendar_print_title";

-- Andy

DevelopmentPlans

• SessionVariablesAPI

The mpi plugins

Another extension are the mpi plugins which themselves utilize the general pluginterface to chain into the page transformation process to extend it with wiki markup that allows dynamic content.

Cookware & Baking

The host application provides services which the plug-in can use, including a way for plug-ins to register themselves with the host application and a protocol for the exchange of data with plug-ins. Plug-ins depend on the services provided by the host application and do not usually work by themselves. Conversely, the host application operates independently of the plug-ins, making it possible for end-users to add and update plug-ins dynamically without needing to make changes to the host application. Shoes Air Compressors

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