Streaming parser/renderer for the RSS 2.0 standard.
Home Page: http://hackage.haskell.org/package/rss-conduit
License: Creative Commons Zero v1.0 Universal
This Haskell library implements a streaming parser/renderer for the RSS 2.0 syndication format, and a streaming parser for the RSS 1.0 syndication format, based on conduits.
Parsers are lenient as much as possible. E.g. unexpected tags are simply ignored.
I'm trying to render an RssDocument to XML. No problem, except for the fact that renderRssDocument doesn't actually appear to render everything contained in the document. In particular, it doesn't look like renderRssItem is ever called.
Perhaps I'm just misunderstanding the intended API; are we supposed to call renderRssItem ourselves, separately? I'm not sure how that would work since renderRssDocument emits an </rss> tag, meaning we can't insert things in the rss body that aren't inserted by renderRssDocument
I think there needs to be a <channel> tag under the <rss> tag. I think it should be a short change to renderRssDocument. Something like
renderRssDocument d = tag "rss" (attr "version" . pack . showVersion $ d^.documentVersionL) $ tag "channel" mempty $ do
textTag "title" $ d^.channelTitleL
Would you consider using a license type that's supported by Cabal for your package so, i.e. the PublicDomain license?
After parsing an RssDocument, there is a potential for space leaks if the value isn't brought to normal form. Currently, I have a bunch of orphan instances in my application for all of the types in Text.Rss.Types, which isn't ideal. I propose adding NFData instances from deepseq to all of the datatypes in Text.Rss.Types, and maybe examining if the types should be made strict.
If you want, I can take the lead on this, though it would require that Soostone/uri-bytestring#52 gets merged/released.
HLint check: test/Arbitrary.hs:4:1: Warning: Use module export list
Found:
module Arbitrary where
Why not:
module Arbitrary (module Arbitrary) where
Note: An explicit list is usually better
Text/RSS/Lens.hs:2:1: Warning: Use module export list
Found:
module Text.RSS.Lens where
Why not:
module Text.RSS.Lens (module Text.RSS.Lens) where
Note: An explicit list is usually better
Text/RSS/Lens.hs:25:93: Warning: Use traverse
Found:
sequenceA (map inj c)
Why not:
traverse inj c
Text/RSS/Lens.hs:29:90: Warning: Use traverse
Found:
sequenceA (map inj e)
Why not:
traverse inj e
Text/RSS/Lens.hs:43:91: Warning: Use traverse
Found:
sequenceA (map inj i)
Why not:
traverse inj i
When trying to parse this rss feed, the rssDocument parser fails with InvalidEndElement. The issue seems to lie in a weird nesting of category tags.
<itunes:category text="Science & Medicine"><itunes:category text="Natural Sciences"></itunes:category></itunes:category>
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