The code I provided is an example of how to declare and call MacOS
functions.
The reason this code does not work for you is that your version of
REALbasic does not have the CFStringRef or Uint32 datatypes. The
current version does, which is why moving to the current version
would solve your problem. It is certainly possible to rewrite this
code using only language features in your version to get code that
would work for you.
Charles Yeomans
On Jan 31, 2007, at 7:31 PM, karl arder wrote:
Hi Charles,
Thanks for sticking with me this far, I fear to help-meter is on
empty though!
Your reply is a bit cryptic and also very confusing... I don't
understand what would need rewriting??? It's a toolbox call???
If you will, please explain to me why I can't just use declares
instead of soft declares? It's just calling an Apple Toolbox
function. Is there a reason this is not possible? Is there an
example on how to call this in a declare?
Sorry for running this into the ground, but this is the last chink
in getting this project done.
ka_
Message: 4
Subject: Re: Reading iTune XML Music List
From: Charles Yeomans <[EMAIL PROTECTED]>
Date: Wed, 31 Jan 2007 11:22:07 -0500
The easy solution is to use a more current version. A harder
solution, certainly possible, would be to rewrite the code to support
older versions of REALbasic.
Charles Yeomans
On Jan 30, 2007, at 11:41 PM, karl arder wrote:
Sorry about that, I did state at the first post, but that was way
back then...
OSX 10.4.8 & RB2005r2 Pro
Please have a solution for this!
Thanks,
ka_
Message: 11
Subject: Re: Reading iTune XML Music List
From: Charles Yeomans <[EMAIL PROTECTED]>
Date: Tue, 30 Jan 2007 10:58:22 -0500
What version of REALbasic are you using?
Charles Yeomans
On Jan 30, 2007, at 12:21 AM, karl arder wrote:
Ok, I was missing something simple. Thanks for the clarification.
But....
Nope, bitches like a wife in overdrive at <UINT32>. I don't see
this in the Learning Reference of vartypes I can use in a Soft
Declare. I tried to substitute with a simple Integer. Then I got
an undefined return type error in the soft declare. Is there a
vartype I can substitute to make this work?
Bloodied but not discouraged...
ka_
Message: 18
Subject: Re: Reading iTune XML Music List
From: Charles Yeomans <[EMAIL PROTECTED]>
Date: Mon, 29 Jan 2007 16:50:52 -0500
On Jan 29, 2007, at 4:33 PM, karl arder wrote:
Thanks Charles,
Before I get down to business, thanks for the convert to B&W =20
formula you also posted. I have just been using BnW=3D(r+g
+b)/ 3, =20
which is a bit dark and the contrast is off. Cool!
Now to iTunes...
I was wondering how Apple handled this problem. Seems they
had to =20
figure out a way around this too.
So now I expose my ignorance... I'm not quite sure how to
use the =20
declares you provided. I assume I use the raw URL path
straight =20
from the iTunes list. I haven't a clue how to pass the two =20
parameters for <charactersToLeaveUnescaped> & =20
<legalURLCharactersToBeEscaped>. Do I have to further parse
the =20
file name for specific characters?
No. Note that the parameters come with default values; just
use =20
those (or pass "").
You need to replace the illegal characters with percent
codes. For
MacOS, you can use the following function.
The raw path already has escaped characters - a space is %20
and I =20
again assume this is a 'legal' character. I have a tract by
Bjork =20
(with an umlaut over the 'o') that causes an error. Unless I
had =20
this tract I would never know this was an issue. How can I
use =20
these declares for any/all possible characters in a valid
song =20
name? Am I missing something simple???
Yes. Try the function in a test app and see what happens to
Bj=F6rk. --
dim escapedURL as String =3D Escape("file://www.bj=F6rk.com").
Thanks again, you and others on this list have been most
helpful to =20=
a newcomer, it's nice to feel welcome here.
ka_
Message: 8
Subject: Re: Reading iTune XML Music List
From: Charles Yeomans <[EMAIL PROTECTED]>
Date: Mon, 29 Jan 2007 11:33:35 -0500
On Jan 28, 2007, at 7:39 PM, karl arder wrote:
Ok, I seem to be hitting my head against every low
hanging object...
Song names/paths can have a broader scope of characters than
allowed in a URL. How do I now convert the paths correctly
so I
don't get errors with these characters.
I guess I'm plowing over ground that is a well trodden path
with
regards to this subject. Are there any other 'surprises' I can
look forward to?
You need to replace the illegal characters with percent
codes. For
MacOS, you can use the following function.
Function Escape(theURL as String, charactersToLeaveUnescaped as
String =3D "", legalURLCharactersToBeEscaped as String =3D
"") As =
String
if Encoding(theURL) is nil then
// parameter '" + theURL + "' does not have an encoding."
return theURL
end if
soft declare function
CFURLCreateStringByAddingPercentEscapes lib
"Carbon.framework" (allocator as Integer, originalString as
CFStringRef, charactersToLeaveUnescaped as CFStringRef,
legalURLCharactersToBeEscaped as CFStringRef, encoding as
UInt32) as
CFStringRef
const kCFAllocatorDefault =3D 0
return CFURLCreateStringByAddingPercentEscapes
(kCFAllocatorDefault, theURL, charactersToLeaveUnescaped,
legalURLCharactersToBeEscaped, Encoding(theURL).Code)
End Function
And here is its inverse.
Function Unescape(theURL as String, charactersToLeaveEscaped as
String =3D "") As String
if Encoding(theURL) is nil then
// parameter '" + theURL + "' does not have an encoding."
return theURL
end if
theURL =3D ConvertEncoding(theURL, Encodings.UTF8)
soft declare function
CFURLCreateStringByReplacingPercentEscapes
lib "Carbon.framework" (allocator as Integer, originalString as
CFStringRef, charactersToLeaveEscaped as CFStringRef) as
CFStringRef
const kCFAllocatorDefault =3D 0
return CFURLCreateStringByReplacingPercentEscapes
(kCFAllocatorDefault, theURL, charactersToLeaveEscaped)
End Function
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