// Parse parses an xml feed into an atom.Feed
func (ap *Parser) Parse(feed io.Reader) (*Feed, error) {
fr := shared.NewXMLSanitizerReader(feed)
p := xpp.NewXMLPullParser(fr, false, charset.NewReaderLabel)
_, err := shared.FindRoot(p)
if err != nil {
return nil, err
}
return ap.parseRoot(p)
}
// DetectFeedType attempts to determine the type of feed
// by looking for specific xml elements unique to the
// various feed types.
func DetectFeedType(feed io.Reader) FeedType {
fr := shared.NewXMLSanitizerReader(feed)
p := xpp.NewXMLPullParser(fr, false, charset.NewReaderLabel)
_, err := shared.FindRoot(p)
if err != nil {
return FeedTypeUnknown
}
name := strings.ToLower(p.Name)
switch name {
case "rdf":
return FeedTypeRSS
case "rss":
return FeedTypeRSS
case "feed":
return FeedTypeAtom
default:
return FeedTypeUnknown
}
}