Hi Brian,
Thank you! That... mostly worked. I added SFH_OBJECT_ARGS
to setFunctionHook(),and then the new $frame value passed in was indeed
easy to use - I just had to call $frame->getArgument('ParameterName')" to
get the value for that template parameter.
Unfortunately, now I don't know how to get all of the actual arguments to
the parser function. Before, the call func_get_args() did that. Now,
neither that function, nor just getting the $args argument, seems to get
all the arguments - I think they get arguments that are entirely static,
but an argument like "flag image={{{Flag image|}}}" leads to a strange
structure within $args that doesn't seem to include the actual value. Is
there a fix for that?
-Yaron
On Mon, Feb 15, 2021 at 1:02 PM Brian Wolff <[email protected]> wrote:
> I think what you have to do is set the SFH_OBJECT_ARGS flag in the third
> argument of setFunctionHook.
>
> That will change the function signature of your callback to ($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 <[email protected]> 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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