diff options
Diffstat (limited to 'src/Text/Pandoc/Writers/OPML.hs')
| -rw-r--r-- | src/Text/Pandoc/Writers/OPML.hs | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/Text/Pandoc/Writers/OPML.hs b/src/Text/Pandoc/Writers/OPML.hs index d6c0aa21a..f7eb9289a 100644 --- a/src/Text/Pandoc/Writers/OPML.hs +++ b/src/Text/Pandoc/Writers/OPML.hs @@ -37,19 +37,20 @@ import Text.Pandoc.Writers.HTML (writeHtmlString) import Text.Pandoc.Writers.Markdown (writeMarkdown) import Data.List ( intercalate ) import Text.Pandoc.Pretty +import Data.Time +import System.Locale (defaultTimeLocale) -- | Convert Pandoc document to string in OPML format. writeOPML :: WriterOptions -> Pandoc -> String writeOPML opts (Pandoc (Meta tit auths dat) blocks) = let title = writeHtmlInlines tit author = writeHtmlInlines $ intercalate [Space,Str ";",Space] auths - date = trim $ writeHtmlInlines dat + date = convertDate dat elements = hierarchicalize blocks colwidth = if writerWrapText opts then Just $ writerColumns opts else Nothing - render' = render colwidth - main = render' $ vcat (map (elementToOPML opts) elements) + main = render colwidth $ vcat (map (elementToOPML opts) elements) context = writerVariables opts ++ [ ("body", main) , ("title", title) @@ -63,6 +64,14 @@ writeHtmlInlines :: [Inline] -> String writeHtmlInlines ils = trim $ writeHtmlString def $ Pandoc (Meta [] [] []) [Plain ils] +-- date format: RFC 822: Thu, 14 Jul 2005 23:41:05 GMT +showDateTimeRFC822 :: UTCTime -> String +showDateTimeRFC822 = formatTime defaultTimeLocale "%a, %d %b %Y %X %Z" + +convertDate :: [Inline] -> String +convertDate ils = maybe "" showDateTimeRFC822 + $ parseTime defaultTimeLocale "%F" =<< (normalizeDate $ stringify ils) + -- | Convert an Element to OPML. elementToOPML :: WriterOptions -> Element -> Doc elementToOPML _ (Blk _) = empty @@ -73,7 +82,7 @@ elementToOPML opts (Sec _ _num _ title elements) = fromBlk _ = error "fromBlk called on non-block" (blocks, rest) = span isBlk elements attrs = [("text", writeHtmlInlines title)] ++ - [("_note", writeMarkdown opts (Pandoc (Meta [] [] []) + [("_note", writeMarkdown def (Pandoc (Meta [] [] []) (map fromBlk blocks))) | not (null blocks)] in inTags True "outline" attrs $ |