Initial import.

RSXML/RSOPMLAttributes.h

@@ -0,0 +1,36 @@
+//
+//  RSOPMLAttributes.h
+//  RSXML
+//
+//  Created by Brent Simmons on 2/28/16.
+//  Copyright © 2016 Ranchero Software, LLC. All rights reserved.
+//
+
+@import Foundation;
+
+// OPML allows for arbitrary attributes.
+// These are the common attributes in OPML files used as RSS subscription lists.
+
+extern NSString *OPMLTextKey; //text
+extern NSString *OPMLTitleKey; //title
+extern NSString *OPMLDescriptionKey; //description
+extern NSString *OPMLTypeKey; //type
+extern NSString *OPMLVersionKey; //version
+extern NSString *OPMLHMTLURLKey; //htmlUrl
+extern NSString *OPMLXMLURLKey; //xmlUrl
+
+
+@interface NSDictionary (RSOPMLAttributes)
+
+// A frequent error in OPML files is to mess up the capitalization,
+// so these do a case-insensitive lookup.
+
+@property (nonatomic, readonly) NSString *opml_text;
+@property (nonatomic, readonly) NSString *opml_title;
+@property (nonatomic, readonly) NSString *opml_description;
+@property (nonatomic, readonly) NSString *opml_type;
+@property (nonatomic, readonly) NSString *opml_version;
+@property (nonatomic, readonly) NSString *opml_htmlUrl;
+@property (nonatomic, readonly) NSString *opml_xmlUrl;
+
+@end