FSPathMakeRef did not work - which drove me to find some other way such an
NSString->CFURL->FSRef. Reading the string in from a file as an NSString does
however work for making the original path string without magling the characters
- reading the same string from the same file as a CFStringRef however does not
work - the special characters get mangled.
Erg
________________________________
From: Ken Thomases <k...@codeweavers.com>
To: Erg Consultant <erg_consult...@yahoo.com>
Cc: cocoa-dev@lists.apple.com
Sent: Saturday, April 25, 2009 6:12:33 PM
Subject: Re: Why is NSString->FSRef so hard?
On Apr 25, 2009, at 8:03 PM, Erg Consultant wrote:
> On Apr 25, 2009, at 7:48 PM, Stephen J. Butler wrote:
>
>> On Sat, Apr 25, 2009 at 7:28 PM, Erg Consultant
>> <erg_consult...@yahoo.com> wrote:
>>> I was using CFURLGetFSRef passing in the NSString which works fine as long
>>> as the path contains no special chars. If it does, CFURLGetFSRef returns
>>> nil.
>>
>> CFURLGetFSRef is great if what you have originally is a CF/NSURL. But
>> if you just have an NSString, you might as well use FSPathMakeRef with
>> [aString fileSystemRepresentation]. No reason to create an
>> intermediary NSURL.
> When I do that, the conversion from NSString to const UInt8 * path mangles
> the special characters in the path.
What do you mean mangles? I suspect you're misinterpreting "encodes" as
mangles. Asking a file path string for its -fileSystemRepresentation is asking
it to encode the string into the form expected by various APIs which take file
paths in C strings (of 8-bit characters). Of course this won't look like the
original Unicode string contents; Unicode can't fit into 8-bit characters
without being encoded somehow.
But the question is, why do you care? Did FSPathMakeRef work, when passed such
a string? It should, which is all you're interested in.
Regards,
Ken
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