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Re: How do I read pref files for other Apps

Thanks Larry. That worked. This is kind of what I thought I had to do, I just could not figure out how to get it into CFPropertyListRef. Again thanks.

Thanks,
Scott Mitchell

>On Wednesday, May 14, 2003, at 06:40 PM, Laurence Harris wrote:
>
>On 5/14/03 9:08 PM, Scott Mitchell didst favor us with:
>
>Well it is not my Quoting style. Mail seems to be doing this for some reason.
>I have no idea why.
>
>Well, I didn't mean you personally, but your e-mail program. So hard to find
>good software these days. LOL
>
>Well I have no idea if the Pref file is maintained by CFPreferences. The thing
>is the Pref file is created by the installer, they put the SN and other info
>in there and then, I don;t think they do anything else with it. The apps that
>it installs are supposed to check to see if the package was installed. to do
>that we need to check for the SN.
>
>The issue is whether or not it was created with CFPreferences, or more
>specifically, the format of the data in the file. If it contains standard CF
>data like CFDictionaries and CFArrays, then you can read it yourself and use
>CF APIs to parse it. In any case, you obviously have to know the format of
>the file to find anything in it.
>
>I would love to do this with other Core foundation API's, but I don't know
>how. That is why I posted this message. I need to look for a key and then i
>need to save that value off into my own preference file.
>
>I don't have code to do exactly what you want, but it turns out it's fairly
>straightforward, if a bit tedious to write.
>
>First you need to get the contents of the file into a CFDictionaryRef:
>
>// fileContents is a buffer containing the contents of the file.
>
>CFDataRef plistData = CFDataCreate( kCFAllocatorDefault, (UInt8*)
>fileContents, numberOfByteInFileContents );
>if ( plistData )
>{
> CFPropertyListRef plist = CFPropertyListCreateFromXMLData(
>kCFAllocatorDefault, plistData, kCFPropertyListImmutable, nil );
> if ( plist )
> {
> CFDictionaryRef dictRef = CFDictionaryRef( plist );
>
> success = GetValueValueFromDictionary( dictRef, &yourBuffer ); //
>Your routine.
>
> CFRelease( plist );
> }
>
> CFRelease( plistData );
>}
>
>GetValueValueFromDictionary() will either need to know something about how
>the key is stored, or it will have to use various APIs from CFDictionary.h
>to parse the plist. APIs like CFDictionaryGetCount(),
>CFDictionaryGetValueIfPresent(), CFDictionaryGetKeysAndValues(), or whatever
>you deem necessary. You may also need some stuff from CFArray.h, as some
>values in the dictionary may consist of arrays.
>
>Larry
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