I always assumed (with no direct evidence) that it was because in
Ruby, constants have to start with an uppercase letter, and so to
match various method signatures/types sent through BridgeSupport,
constant types must be passed as constant types.
Anyway for supported frameworks capitalising the constant always seems
to work.
BridgeSupport is an amazing piece of work in my opinion - worksk (and
work very well) almost transparent to the developer.
Actually am just assuming that the new Applescript methods use
BridgeSupport? In which case BridgeSupport should just get better.
HTH
J
On Oct 28, 2009, at 10:31 , 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" <lsansone...@apple.com
> 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
al_sk...@fastmail.fm
--
http://www.fastmail.fm - IMAP accessible web-mail
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