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re: XML



On Mon, 15 Nov 2004 17:25:03 -0600, "Steve Mills" <email@hidden>
wrote:

> I've read the docs and I just don't understand. How can I take a .plist
> file, read and parse it, then iterate through each element? The .plist
> root is an array, each element in the array is a dictionary. Somewhere
> in the docs it illustrates how to use CFXMLTreeCreateFromData, but the
> resulting tree was nil. I'm totally confused about all the nodes and
> trees and property lists. Anybody have some sample source?

If all the XML items are CF objects (strings, arrays, properties, etc.) then
you can use:

// ---------------------------------
// load a property list from an XML file
CFPropertyListRef CreatePropertiesFromXMLFile(const CFURLRef pCFURLRef)
{
    CFDataRef xmlCFDataRef;
    CFPropertyListRef myCFPropertyListRef = NULL;
    Boolean status;

    // Read the XML file.
    status = CFURLCreateDataAndPropertiesFromResource(
                        kCFAllocatorDefault, pCFURLRef,
                        &xmlCFDataRef, NULL, NULL, NULL);
    if (status)
    {
        // Reconstitute the dictionary using the XML data.
        myCFPropertyListRef = CFPropertyListCreateFromXMLData(
                        kCFAllocatorDefault, xmlCFDataRef,
                        kCFPropertyListImmutable, NULL);
        // Release the XML data
        CFRelease(xmlCFDataRef);
    }

    return myCFPropertyListRef;
}

This is from: <http://developer.apple.com/qa/qa2001/qa1208.html>.

-- 
Enjoy,
George Warner,
Schizophrenic Optimization Scientist
Apple Developer Technical Support (DTS)

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