1 files changed, 59 insertions, 0 deletions
diff --git a/Classes/XMLParser.h b/Classes/XMLParser.h
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+++ b/Classes/XMLParser.h
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+//
+//  XMLParser.h
+//  acidcow
+//
+//  Created by Matthew Handler on 4/15/11.
+//  Copyright 2011 Earl Industries. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+//typedef enum {
+//    XMLParserTypeAbstract = -1,
+//    XMLParserTypeNSXMLParser = 0,
+//    XMLParserTypeLibXMLParser
+//} XMLParserType;
+
+@class XMLParser, Topic;	
+
+@protocol XMLParserDelegate <NSObject>
+
+@optional
+// Called by the parser when parsing is finished.
+- (void)parserDidEndParsingData:(XMLParser *)parser;
+// Called by the parser in the case of an error.
+- (void)parser:(XMLParser *)parser didFailWithError:(NSError *)error;
+// Called by the parser when one or more songs have been parsed. This method may be called multiple times.
+- (void)parser:(XMLParser *)parser didParseTopics:(NSArray *)parsedTopics;
+
+@end
+
+@interface XMLParser : NSObject {
+    id <XMLParserDelegate> delegate;
+    NSMutableArray *parsedTopics;
+}
+
+@property (nonatomic, assign) id <XMLParserDelegate> delegate;
+@property (nonatomic, retain) NSMutableArray *parsedTopics;
+
+//+ (NSString *)parserName;
+//+ (XMLParserType)parserType;
+
+- (void)start;
+
+// Subclasses must implement this method. It will be invoked on a secondary thread to keep the application responsive.
+// Although NSURLConnection is inherently asynchronous, the parsing can be quite CPU intensive on the device, so
+// the user interface can be kept responsive by moving that work off the main thread. This does create additional
+// complexity, as any code which interacts with the UI must then do so in a thread-safe manner.
+- (void)downloadAndParse:(NSURL *)url;
+
+// Subclasses should invoke these methods and let the superclass manage communication with the delegate.
+// Each of these methods must be invoked on the main thread.
+- (void)downloadStarted;
+- (void)downloadEnded;
+- (void)parseEnded;
+- (void)parsedTopic:(Topic *)topic;
+- (void)parseError:(NSError *)error;
+//- (void)addToParseDuration:(NSNumber *)duration;
+
+@end