Not a dumb question at all, just one of those "Ruby-isms" that will
take some adjusting to if you're coming from a C/C++/Obj-C background.
In Ruby, Constants always start with a Capital letter. Therefore, all
of the kFooBarBaz constants from Cocoa get translated as KFooBarBaz.
Actually, that's got me thinking that we should maybe compile a list
of the "cultural" differences between Obj-C and Ruby. I tried to sort
of touch on it by pointing out Obj-C's tendency to CamelCase in place
of Ruby's under_case, but I'm sure we can think of more of these
transition-gotchas?
- Josh
On Oct 28, 2009, at 2:31 AM, Allison Newman wrote:
I'm probably asking a really dumb question here - but I haven't used
bridgesupport very much...
Is there a reason why the constant in the example that fails starts
with an upper case K, rather than keeping the lower case k given in
the framework?
Alli
On Wednesday, October 28, 2009, at 01:31AM, "Laurent Sansonetti" <[email protected]
> wrote:
Hi Alan,
I'm afraid the MD* APIs haven't been covered by BridgeSupport yet, so
it may not be possible to call it directly from MacRuby at this
point.
I would recommend to file a bug at http://bugreporter.apple.com so
that we can consider this for a future Mac OS X release, and to wrap
this C API into an Objective-C class that you can call from MacRuby
in
the meantime.
Laurent
On Oct 27, 2009, at 5:13 PM, Alan Skipp wrote:
Would anyone be able to give me a hint on how to get the following
objective-c code working with macruby. The code uses spotlight to
extract metadata from a file.
MDItemRef inspectedRef =
MDItemCreate(kCFAllocatorDefault,(CFStringRef)path);
CFArrayRef attributeNames = MDItemCopyAttributeNames(inspectedRef);
NSLog(@"%@", (NSArray*)attributeNames);
I was hoping that including the 'CoreServices' framework would work,
but
no joy.
framework 'CoreServices'
=> true
item = MDItemCreate(KCFAllocatorDefault, '/Users/alan/Desktop/
test.jpg')
NameError: uninitialized constant KCFAllocatorDefault
from core:in `const_missing:'
from (irb):2:in `<main>'
from core:in `eval:'
from core:in `evaluate:'
--
Alan Skipp
[email protected]
--
http://www.fastmail.fm - IMAP accessible web-mail
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