Re: [Pyobjc-dev] Calling methods with variable arguments

[Ian B. <ia...@on...>]

Thanks, Dirk.  I believe that's exactly what I need if I'm going to  
figure out how to get this darn method working.

Ian

On Jul 4, 2009, at 6:07 AM, Dirk Stoop wrote:

> Hi Ian,
>
> I'm not completely clear on the technical details of how  
> BridgeSupport definitions are used in PyObjC, but here's some  
> possible pointers:
>
> search for "withObjects" in the file linked below and you'll find  
> the exceptions defined for NSArray.arrayWithObjects: and other  
> similar methods:
>> http://svn.red-bean.com/pyobjc/trunk/pyobjc/pyobjc-framework-Cocoa/Exceptions/Foundation.bridgesupport
>
>
> This test file shows how to explicitely add metadata to a class  
> description at runtime:
>> http://svn.red-bean.com/pyobjc/trunk/pyobjc/pyobjc-core/PyObjCTest/test_metadata_py.py
>
>
> The example at line 45 seems to do something similar to what you need:
>
>    objc.registerMetaDataForSelector("OC_MetaDataTest",  
> "makeObjectArray:on:",
>            dict(
>                arguments={
>                  2+0:  dict(type_modifier=objc._C_IN,  
> c_array_delimited_by_null=True, null_accepted=False),
>                }
>            )
>        )
>
> Good luck :)
> - Dirk
>
> On Jul 3, 2009, at 4:40 AM, Ian Beck wrote:
>
>> Hey there,
>>
>> I'm currently loading up a custom Cocoa framework, and one of the
>> methods I need to call involves variable arguments terminated by nil:
>>
>> [buildSomethingNamed:@"Name" withObjects:@"one", @"two", nil]
>>
>> I know that PyObjC typically has problems with varargs and needs a
>> special wrapper.  Is there anything I can do at my end (that is,
>> outside the framework) to wrap this particular method and get it to
>> work with PyObjC?
>>
>> Even a pointer to somewhere to find example code for dealing with
>> varargs would be helpful; Google wasn't terribly useful.
>>
>> Ian
>>
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>