blaze-html-truncate 0.1.0.3 → 0.1.0.4

raw patch · 2 files changed

+21/−3 lines, 2 filesPVP ok

version bump matches the API change (PVP)

API changes (from Hackage documentation)

Files

• Text/Blaze/Truncate.hs +20/−2
• blaze-html-truncate.cabal +1/−1

@@ -56,7 +56,7 @@                (ts',ts'') -> ((TS.TagText str') : ts', (TS.TagText str'') : ts'')                 dropWhileEndPreEscapedHtml :: SL.StringLike str => (Char -> Bool) -> str -> str-dropWhileEndPreEscapedHtml p txt = (TS.renderTags . reverse . (go 0) . reverse . TS.parseTags) txt+dropWhileEndPreEscapedHtml p txt = (TS.renderTags . reverse . filterEmptyTags . (go 0) . reverse . TS.parseTags) txt    where        go :: (SL.StringLike str) => Int -> [TS.Tag str] -> [TS.Tag str]        go _ [] = []@@ -70,13 +70,16 @@          else case dropWhileEndSL p str of            str' -> if not (SL.strNull str') then (TS.TagText str') : ts                   else go openTgs ts+       filterEmptyTags ((TS.TagClose _) : (TS.TagOpen _ _) : ts) = filterEmptyTags ts+       filterEmptyTags (t : ts) = t : (filterEmptyTags ts)+       filterEmptyTags [] = []  -- | Truncate the given HTML to a certain length, preserving tags. Returns the truncated Html or `Nothing` if no truncation occured. --   Words are preserved, so if the truncated text ends within some word, that whole word is cut. truncateHtml :: Int    -- ^ The amount of characters (not counting tags) which the truncated text should have at most              -> Html   -- ^ The HTML to truncate              -> Maybe Html  -- ^ `Just` the truncated HTML or `Nothing` if no truncation occured-truncateHtml n html = case go n html of Tagged n' html' -> if n' <= 0 then Just html' else Nothing+truncateHtml n html = case go n html of Tagged n' html' -> if n' <= 0 then filterEmptyTags html' else Nothing     where         go :: Int -> HtmlM b -> Tagged (HtmlM b)         go i (Parent t open close content) = fmap (Parent t open close) (go i content)@@ -88,6 +91,21 @@           Tagged j h1' -> fmap (Append h1') (go j h2)         go i Empty = Tagged i Empty         go i (Content content) = fmap Content (truncateChoiceString i content)+        +        -- filter _trailing_ empty tags+        filterEmptyTags :: HtmlM a -> Maybe (HtmlM b)+        filterEmptyTags (Parent t open close content) = fmap (Parent t open close) (filterEmptyTags content)+        filterEmptyTags (Leaf t begin end) = Nothing+        filterEmptyTags (AddAttribute t key value h) = fmap (AddAttribute t key value) (filterEmptyTags h)+        filterEmptyTags (AddCustomAttribute t key value h) = fmap (AddCustomAttribute t key value) (filterEmptyTags h)+        filterEmptyTags (Append h1 h2) = case filterEmptyTags h2 of+          Nothing  -> filterEmptyTags h1+          Just h2' -> Just (Append h1 h2')+        filterEmptyTags Empty = Nothing+        filterEmptyTags (Content content) = if (length' content) == 0 then Nothing else Just (Content content)+        +        +          splitAtPreEscaped' :: Int -> ChoiceString -> (ChoiceString, ChoiceString) splitAtPreEscaped' i str | i <= 0 = (EmptyChoiceString, str)

@@ -2,7 +2,7 @@ -- documentation, see http://haskell.org/cabal/users-guide/  name:                blaze-html-truncate-version:             0.1.0.3+version:             0.1.0.4 synopsis:            A truncator for blaze-html description:         This package provides a simple function to truncate HTML, preserving tags and preventing cut-off words.  homepage:            http://github.com/mruegenberg/blaze-html-truncate