> Yeah. Thanks. > > What I'm asking is how can I identify the property as a BOOL when analyzing > property structures so that I can output "BOOL" to a descriptive string and > if I analyze a char, I can output "char" as a descriptive string. > > Obviously, I can't use property_getAttributes() since it returns the same > values for BOOL and char. > > What options are available here to detect that a property declared as a BOOL > is a BOOL? >
objc.h typedefs BOOL as char/bool, as David says, so I don’t think you can infer that a property is BOOL by introspecting the property — you’ll always see char or bool. > Thanks. > > Sent from my iPad. Please pardon typos. > > On Feb 16, 2015, at 4:13 PM, David Duncan <david.dun...@apple.com> wrote: > >> >>> On Feb 16, 2015, at 1:06 PM, Alex Zavatone <z...@mac.com> wrote: >>> >>> Xcode 5.1.1 >>> IOS 7.x >>> >>> I'm messing with an auto description category for NSObjects with the >>> interest of dumping out a class's properties in the format of property >>> name, property class and string equivalent of property value. >>> >>> I'm also considering supporting scalar primitive types that are not >>> NSObjects, such as CGRects, BOOLs and so on. >>> >>> In doing this, I'm checking the property's attributes with >>> property_getAttributes(). >>> >>> What is confusing here is that for properties that are declared as a non >>> atomic BOOL, the attributes are Tc,N,V, where c codes for a char, according >>> to the docs, according to the Runtime Property Attribute Description >>> Examples. >>> >>> A char declared as a property returns exactly the same attributes as a BOOL >>> with property_getAttributes(). >>> >>> But for an NSString, property_getAttributes()returns "T@"NSString",&,N >>> >>> It's easy to detect the NSString properties, but why isn't BOOL included in >>> a BOOL's property attributes? Is a BOOL just a char (that's what this is >>> telling me)? What is going on under the hood here. How can I properly >>> identify a BOOL and tell the difference between a BOOL and a char if they >>> are represented the same way? >> >> On Mac OS X and 32-bit iOS targets, BOOL is a char, on 64-bit iOS targets >> its a C/C++ style ‘bool’. >> >>> Thanks much, >>> Alex Zavatone. >>> >>> Sent from my iPad. Please pardon typos. >>> _______________________________________________ >>> >>> 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/david.duncan%40apple.com >>> >>> This email sent to david.dun...@apple.com >> >> -- >> David Duncan >> > > _______________________________________________ > > 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/akiskesoglou%40gmail.com > > This email sent to akiskesog...@gmail.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
