This is bad. Do you/we have any idea why this magically started working?
Sent from my iPad
On Sep 22, 2014, at 1:07 PM, Charles Jenkins <cejw...@gmail.com> wrote:
> Well, thank you to anyone who spared any thought for this problem. After I
> added the test below, with reconstitutedStructureDict and reconstitutedProj,
> I discovered that everything started working and the files could be written
> to and read from disk without error. Then I was able to go back and delete
> the “reconstituted” test lines, and everything still works. I have no
> explanation.
>
> --
>
> Charles
>
>
> On Sunday, September 21, 2014 at 19:10, Charles Jenkins wrote:
>
>> Just as a test, I changed my writer method to immediately try to interpret
>> the JSON data and reconstitute the project’s data:
>>
>> let structureDict = theProject.getStructureDictionary()
>> let jsonData = NSJSONSerialization.dataWithJSONObject( structureDict,
>> options: nil, error: outError )
>> if let reconstitutedStructureDict =
>> NSJSONSerialization.JSONObjectWithData( jsonData!, options: nil, error:
>> outError ) as? NSDictionary {
>> var reconstitutedProj =
>> DocumentNode.readFromWrapperViaStructureDictionary( parentWrapper:
>> theFileWrapper!, dictionary: reconstitutedStructureDict )
>> }
>>
>> All this works: reconstitutedStructureDict is a copy of structureDict, and
>> reconstitutedProj is a copy of theProject. And the JSON file that gets
>> written out appears okay, so my problem seems to be that
>> NSFileWrapper.regularFileContents isn’t returning usable data.
>>
>> —
>>
>> Charles Jenkins
>>
>>
>> On Friday, September 19, 2014 at 11:45 AM, Charles Jenkins wrote:
>>
>>> My document structure is a file wrapper containing a bunch of RTF documents
>>> and a file called structure.json which describes how they relate to one
>>> another.
>>>
>>> I write out the structure file like this:
>>>
>>> let structureDict = theProject.getStructureDictionary()
>>> let jsonData = NSJSONSerialization.dataWithJSONObject( structureDict,
>>> options: nil, error: outError )
>>>
>>> writeFileToWrapper(
>>> parentWrapper: theFileWrapper!,
>>> filename: structureFileName,
>>> data: jsonData,
>>> err: outError
>>> );
>>>
>>>
>>> I’m not including the bodies of getStructureDictionary() or
>>> writeFileToWrapper() because they seem to work just fine. The
>>> structure.json file appears in my output package, and if I open it using
>>> TextWrangler, I see exactly the JSON content I expect, stored in UTF8
>>> encoding.
>>>
>>> The thing is, my app can’t read it back in. Here’s the function that’s not
>>> working:
>>>
>>> override func readFromFileWrapper(
>>> parentWrapper: NSFileWrapper!,
>>> ofType typeName: String!,
>>> error outError: NSErrorPointer
>>> ) -> Bool
>>> {
>>> if let fw = parentWrapper.fileWrappers[ structureFileName ] as?
>>> NSFileWrapper {
>>> if let data = fw.regularFileContents? {
>>> let debug: String = NSString( data: data, encoding:
>>> NSUTF8StringEncoding )
>>> let obj: AnyObject? = NSJSONSerialization.JSONObjectWithData( data,
>>> options: nil, error: outError )
>>> if let structureDict = obj as? NSDictionary {
>>> var proj = DocumentNode.readFromWrapperViaStructureDictionary(
>>> parentWrapper: parentWrapper, dictionary: structureDict )
>>> theProject = proj
>>> theFileWrapper = parentWrapper
>>> return true
>>> }
>>> }
>>> }
>>> return false;
>>> }
>>>
>>>
>>> I expect I’ll find bugs in readFromWrapperViaStructureDictionary() if I
>>> ever call it, but I never get that far.
>>>
>>> With Swift and Xcode, stepping line-by-line through code it a bit confusing
>>> because the current line indicator bounces all around, sometimes appearing
>>> on lines of code already executed. But to be best of my belief, my problem
>>> is that obj can’t be converted to an NSDictionary. I inserted the debug:
>>> String to see what’s read from the file, and it comes back as garbage.
>>>
>>> Is calling regularFileContents the wrong way to read up my JSON file?
>>>
>>> —
>>>
>>> Charles Jenkins
>
> _______________________________________________
>
> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)
>
> Please do not post admin requests or moderator comments to the list.
> Contact the moderators at cocoa-dev-admins(at)lists.apple.com
>
> Help/Unsubscribe/Update your Subscription:
> https://lists.apple.com/mailman/options/cocoa-dev/zav%40mac.com
>
> This email sent to z...@mac.com
_______________________________________________
Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com
This email sent to arch...@mail-archive.com
