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=== Introduction === FeedParser is an NSXMLParser-based RSS/Atom feed parser for Cocoa. It is intended to parse well-formed RSS and Atom feeds on both the desktop and the iPhone. === Usage === The simplest way to use FeedParser is to simply add the FeedParser directory to your project. FeedParser also includes a static library target if you prefer to include it that way. === Design Goals === FeedParser was designed to parse valid RSS and Atom feeds, including support for extensions outside of the RSS or Atom namespaces. All parsed feeds MUST be well-formed, but the parser may or may not enforce validity. === Current State === As of this writing, FeedParser can parse a full valid RSS 2.0 feed, though it intentionally skips elements that I did not consider useful. The parser may be extended later to expose the values of those elements. FeedParser has only a limited understanding of Atom feeds. It can understand a handful of Atom elements embedded within an RSS feed, but it cannot understand a complete Atom feed. Full understanding of Atom feeds is one of the future goals of this project. FeedParser requires that the entire feed must be a well-formed XML document, but it does not do any validity checking of individual elements. === Future Development === The goals for future development of FeedParser are the following: * Fully support Atom feeds * Be as lenient as possible. To this extent, parsing non-well-formed documents should be investigated. NSXMLParser is documented as aborting parsing upon encountering an error, but in practice it appears that, at least on Mac OS X 10.5, it actually can recover from errors. However, at the current time FeedParser explicitly aborts the parser when an error is encountered * Support the more common RSS/Atom extensions * Better error reporting === Naming Issues === The name FeedParser conflicts with RSS/Atom parsers for other languages. A new name unique name should be chosen that is available on Google Code for bug reporting purposes.