I think what you have to do is set the SFH_OBJECT_ARGS flag in the third
argument of setFunctionHook.
That will change the function signature of your callback to ($parser,
$frame, $args). Note that $args might no longer be an array of strings but
PPNode (or something) stuff you may have to call $frame->expand() on (i
think. It was something like that).
This new form has a PPFrame object as a second arg. You should be able to
call $frame->getParent() on it which should give you what you need.
--
Brian
On Monday, February 15, 2021, Yaron Koren <yaro...@gmail.com> wrote:
> Hi,
>
> When you have a parser function called from within a template, you can of
> course pass in to it any template parameters, like:
>
> {{#flagicon:{{{Flag image|}}} }}
>
> (This is a silly example, but bear with me.) I would like to instead be
> able to call the parser function without the parameter, like this:
>
> {{#flagicon:}}
>
> ...and have the parser function directly get the value of the "Flag image"
> parameter.
>
> I believe this can be done within Lua: when a Lua module is invoked from a
> template, it can get the names and values of the parameters/arguments that
> have been passed to that template using (I believe) code that looks like
> the following:
>
> frame = mw.getCurrentFrame()
> origArgs = frame:getParent().args
>
> I tried to do something similar within a parser function's code, using
> various calls like the following, but nothing worked:
>
> $frame = $parser->getPreProcessor()->newFrame()->newChild();
> $args = $frame->getArguments();
>
> Can this be done? Ideally, it would be great to get an array of all the
> arguments that have been passed to the template - but just being able to
> get the value for a specified parameter name would be good enough.
>
> -Yaron
>
> --
> WikiWorks · MediaWiki Consulting · http://wikiworks.com
>
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