Networking/GalleryParserOperation.h

/*
    File:       GalleryParserOperation.h
 
    Contains:   Parses an XML photo gallery.
 
    Written by: DTS
 
    Copyright:  Copyright (c) 2010 Apple Inc. All Rights Reserved.
 
    Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Inc.
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                non-exclusive license, under Apple's copyrights in this
                original Apple software (the "Apple Software"), to use,
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*/
 
#import <Foundation/Foundation.h>
 
@interface GalleryParserOperation : NSOperation
{
    NSData *                _data;
    NSError *               _error;
#if ! defined(NDEBUG)
    NSTimeInterval          _debugDelay;
    NSTimeInterval          _debugDelaySoFar;
#endif
    NSXMLParser *           _parser;
    NSMutableArray *        _mutableResults;
    NSMutableDictionary *   _itemProperties;
}
 
- (id)initWithData:(NSData *)data;
    // Configures the operation to parse the specified XML data.
 
// properties specified at init time
 
@property (copy,   readonly ) NSData *              data;
 
// properties that can be changed before starting the operation
 
#if ! defined(NDEBUG)
@property (assign, readwrite) NSTimeInterval        debugDelay;     // default is 0.0
#endif
 
// properties that are valid after the operation is finished
 
@property (copy,   readonly ) NSError *             error;
@property (copy,   readonly ) NSArray *             results;       // of NSDictionary, keys below
 
@end
 
// Keys for the results dictionaries.
 
extern NSString * kGalleryParserResultPhotoID;      // NSString
extern NSString * kGalleryParserResultName;         // NSString
extern NSString * kGalleryParserResultDate;         // NSDate
extern NSString * kGalleryParserResultPhotoPath;    // NSString
extern NSString * kGalleryParserResultThumbnailPath;// NSString