🚀 go-pugleaf

In article <1993Jan7.213019.7023@ornl.gov> woo@ornl.gov (John W. Wooten)  
writes:
> I am working on an application where I compose questions
> that will contain rich text (including diagrams).  I have a simple  
> subclass of Object called QuestionObj that I create an instance of for  
> each question and then maintain the questions in a List Object.
> 
> The text is in a text field with id "text".
> 
> I try to do the following:
> 	NXStream *buffer;
> 	
> 	count = [questions count];
> 	newQuestion = [[QuestionObj alloc] init];
> 	buffer = NXOpenMemory(NULL,0,NX_WRITEONLY);
> 	[text writeRTFDTo:buffer];
> 	[newQuestion setText:buffer];
> 
> Now in the QuestionObj, I have:
> - setText:(NXStream *)str
> {
> 	buffer = str;
> 	return self;
> }
> - (NXStream *)text
> {
> 	return buffer;
> }
> with interface of:
> @interface QuestionObj:Object
> {
> 	int num;
> 	NXStream *buffer;
> }
> 
> - setNum:(int)val;
> - (int)num;
> - setText:(NXStream *)str;
> - (NXStream *)text;
> 
> Now, first it appears that I'm not getting the Rich Text because I  
> can't get it back out of the object with text method.
> 
> I know most of this works with ascii text (I tried this all out using  
> char *buffer;
> first)
> 
> Also, if this even works, in the -read -write methods of the
> QuestionObj class, what do I put for the descriptor when I use
> NXWriteTypedStreamToFile ?
> I used a * when it was a char * and it worked.
> 
> What do I put for a typed stream?
> 
> 
> - - - - - - - - -
> J. W. Wooten


Just a guess, but are you doing a NXSeek(buffer, 0L, NX_FROMSTART) before  
trying to access data in the stream?  

	John

--
John Feiler                             jjfeiler@relief.com
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