Re: Still no way to view CFString in custom data fomatter, huh?
Re: Still no way to view CFString in custom data fomatter, huh?
- Subject: Re: Still no way to view CFString in custom data fomatter, huh?
- From: Dmitry Markman <email@hidden>
- Date: Wed, 31 Oct 2007 23:50:01 -0400
if setName accepts NString
how it's possible to write
gs->setName("San Carlos");
it's probably type it should be gs->setName(@"San Carlos");
or I'm missing something?
On Oct 31, 2007, at 11:32 PM, Rick Mann wrote:
On Oct 31, 2007, at 8:11 PM, Dmitry Markman wrote:
I can see content of CFStringRef without any problem
here is a code
CFStringRef ftpHandler =
LSCopyDefaultHandlerForURLScheme(CFSTR("ftp"));
I can see in the debugger window
Variable Value Summary
ftpHandler 0xa039b700 com.omnigroup.omniweb5
I can also see that information as a tooltip if I click on the
ftpHandler and will wait for 1-2s
Huh. Well, two things.
1) When I look at a C++ object pointer and drill down to the
CFTypeRef, I get nothing. Now, maybe that's not the data formatting
fault, because Xcode thinks the variable is out of scope. Here's the
code:
GroundStation* gs = new GroundStation();
gs->setID(1);
gs->setName("San Carlos");
setName takes an object NString, which wraps a CFTypeRef, which is
really a pointer to a CFStringRef.
At a breakpoint just after the setName() call, I can dink open gs,
and get something like this:
gs
ObjectOfInterest (superclass of gs)
private
mName type: NString value: {...} summary: out of scope
NCFObject
private
mObject type: CFTypeRef value: 0x664d20 summary:
<empty>
So, I don't know why the first is out of scope, but it seems to have
an address for mObject, but it won't render it. Maybe that's because
it can't tell what it is, but I *can* choose Print Description to
Console and that prints the value of the string. Seems like it could
do the same to the summary window.
2) The doc for Custom Data Formatters says "Note, however, that you
cannot specify a custom format for string types, such as NSString,
char*, and so on." This makes me sad, 'cause I'd really like to make
one so that the top-level NString shows the string value.
--
Rick
Dmitry Markman
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