/*

 File: main.m

 Abstract: Standard GetMetadataForFile.c.

 Version: 1.0

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 */

#include <CoreFoundation/CoreFoundation.h>

#import <CoreData/CoreData.h>

//==============================================================================

//

//  Get metadata attributes from document files

//

//  The purpose of this function is to extract useful information from the

//  file formats for your document, and set the values into the attribute

//  dictionary for Spotlight to include.

//

//==============================================================================

Boolean GetMetadataForFile(void* thisInterface, 

                           CFMutableDictionaryRef attributes, 

                           CFStringRef contentTypeUTI,

                           CFStringRef pathToFile)

{

    /* Pull any available metadata from the file at the specified path */

    /* Return the attribute keys and attribute values in the dict */

    /* Return TRUE if successful, FALSE if there was no data provided */

    NSAutoreleasePool *pool  = [[NSAutoreleasePool alloc] init];

    NSError *error = nil;

    Boolean ok = FALSE;

    // Create the URL, then attempt to get the meta-data from the store

    NSURL *url = [NSURL fileURLWithPath: (NSString *)pathToFile];

    NSDictionary *metadata = [NSPersistentStoreCoordinator 

        metadataForPersistentStoreWithURL:url error:&error];

    // If there is no error, add the info

    if ( error == NULL ) {

        if (metadata != nil) {

            [(NSMutableDictionary *)attributes addEntriesFromDictionary:metadata];

            ok = TRUE;    

        }

    }

    // Return the status

    [pool release];

    return ok;

}