Re: More AppleScript-ObjC Bridge Weirdness
Re: More AppleScript-ObjC Bridge Weirdness
- Subject: Re: More AppleScript-ObjC Bridge Weirdness
- From: Dave <email@hidden>
- Date: Thu, 12 Nov 2015 12:29:09 +0000
> On 11 Nov 2015, at 22:34, Shane Stanley <email@hidden> wrote:
>
> On 12 Nov 2015, at 4:29 AM, Dave <email@hidden> wrote:
>>
>> I restarted my Mac and and added as string on the handler definition and it started working (not sure which of these helped):
>
> The "as string" did it. Passing from Objective-C to AppleScript uses lazy conversion; it doesn't happen unless you ask for it.
Thanks, I’ve added the “as xxxx” to all my parameters which has the added bonus greatly improves the readably when calling from Objective-C.
>>
>> But now I have another problem with types/classes on the:
>>
>> set kMessageID of myDictionary to (the id of myMessage as string)
>> set kMessageClass of myDictionary to (the class of myMessage as string)
>>
>> When I look at the returned dictionary I see:
>>
>> kMessageClass = "\U00abclass outm\U00bb";
>> kMessageID = 540;
>>
>> Which are not of type NSString which is what I expected. However, if I run the script in the Script Editor I get the String Equivalents:
>>
>> kMessageID:"540”,
>> kMessageClass:"outgoing message"
>
> You're expecting roughly the equivalent of an enum being returned as a string rather than an int in Objective-C, or a constant necessarily matching what it represents. Script Editor has the dictionary loaded so it can do the conversion, but a running app doesn't, so it converts the underlying code as best it can.
>
> You need to test the options and build your own string:
>
> if class of myMessage is outgoing message then
> set kMessageClass of myDictionary to "outgoing message"
> …
Yes, I came to the same conclusion but did it a slightly different way, if you do this:
set myClass to the class of myMessage as string
This produces a string something like this: "<<class>> outm”
not sure what the <<>> character(s) are? They are not regular greater/less than chars.
Then in Objective-C I setup a Dictionary at App Startup with contains mappings, e.g. “outm" == “outgoingMessage”.
All the Best
Dave
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