Renamed removedLeadingTrailingSpace to trim.

Also removeLeadingSpace to triml,
removeTrailingSpace to trimr.

8 files changed, 36 insertions, 41 deletions

diff --git a/src/Text/Pandoc/Parsing.hs b/src/Text/Pandoc/Parsing.hs
index 7abec90a1..9239ed9a3 100644
--- a/src/Text/Pandoc/Parsing.hs
+++ b/src/Text/Pandoc/Parsing.hs
@@ -610,7 +610,7 @@ gridTableWith blocks headless =
 
 gridTableSplitLine :: [Int] -> String -> [String]
 gridTableSplitLine indices line = map removeFinalBar $ tail $
-  splitStringByIndices (init indices) $ removeTrailingSpace line
+  splitStringByIndices (init indices) $ trimr line
 
 gridPart :: Char -> Parser [Char] st (Int, Int)
 gridPart ch = do
@@ -652,8 +652,7 @@ gridTableHeader headless blocks = try $ do
                     then replicate (length dashes) ""
                     else map (intercalate " ") $ transpose
                        $ map (gridTableSplitLine indices) rawContent
-  heads <- mapM (parseFromString blocks) $
-               map removeLeadingTrailingSpace rawHeads
+  heads <- mapM (parseFromString blocks) $ map trim rawHeads
   return (heads, aligns, indices)
 
 gridTableRawLine :: [Int] -> Parser [Char] ParserState [String]
diff --git a/src/Text/Pandoc/Readers/LaTeX.hs b/src/Text/Pandoc/Readers/LaTeX.hs
index c3854bc3e..1f85c3d61 100644
--- a/src/Text/Pandoc/Readers/LaTeX.hs
+++ b/src/Text/Pandoc/Readers/LaTeX.hs
@@ -146,9 +146,6 @@ braced = bgroup *> (concat <$> manyTill
 bracketed :: Monoid a => LP a -> LP a
 bracketed parser = try $ char '[' *> (mconcat <$> manyTill parser (char ']'))
 
-trim :: String -> String
-trim = removeLeadingTrailingSpace
-
 mathDisplay :: LP String -> LP Inlines
 mathDisplay p = displayMath <$> (try p >>= applyMacros' . trim)
 
diff --git a/src/Text/Pandoc/Readers/Markdown.hs b/src/Text/Pandoc/Readers/Markdown.hs
index adf24588b..7ac68c856 100644
--- a/src/Text/Pandoc/Readers/Markdown.hs
+++ b/src/Text/Pandoc/Readers/Markdown.hs
@@ -239,7 +239,7 @@ referenceKey = try $ do
   src <- try betweenAngles <|> sourceURL
   tit <- option "" referenceTitle
   blanklines
-  let target = (escapeURI $ removeTrailingSpace src,  tit)
+  let target = (escapeURI $ trimr src,  tit)
   st <- getState
   let oldkeys = stateKeys st
   updateState $ \s -> s { stateKeys = M.insert (toKey raw) target oldkeys }
@@ -848,7 +848,7 @@ simpleTableHeader headless = try $ do
                      else rawHeads
   heads <- fmap sequence
            $ mapM (parseFromString (mconcat <$> many plain))
-           $ map removeLeadingTrailingSpace rawHeads'
+           $ map trim rawHeads'
   return (heads, aligns, indices)
 
 -- Returns an alignment type for a table, based on a list of strings
@@ -859,7 +859,7 @@ alignType :: [String]
           -> Alignment
 alignType [] _ = AlignDefault
 alignType strLst len =
-  let nonempties = filter (not . null) $ map removeTrailingSpace strLst
+  let nonempties = filter (not . null) $ map trimr strLst
       (leftSpace, rightSpace) =
            case sortBy (comparing length) nonempties of
                  (x:_)  -> (head x `elem` " \t", length x < len)
@@ -884,7 +884,7 @@ rawTableLine :: [Int]
 rawTableLine indices = do
   notFollowedBy' (blanklines <|> tableFooter)
   line <- many1Till anyChar newline
-  return $ map removeLeadingTrailingSpace $ tail $
+  return $ map trim $ tail $
            splitStringByIndices (init indices) line
 
 -- Parse a table line and return a list of lists of blocks (columns).
@@ -957,7 +957,7 @@ multilineTableHeader headless = try $ do
                     else map (intercalate " ") rawHeadsList
   heads <- fmap sequence $
            mapM (parseFromString (mconcat <$> many plain)) $
-             map removeLeadingTrailingSpace rawHeads
+             map trim rawHeads
   return (heads, aligns, indices)
 
 -- Parse a grid table:  starts with row of '-' on top, then header
@@ -972,7 +972,7 @@ gridTable headless =
 
 gridTableSplitLine :: [Int] -> String -> [String]
 gridTableSplitLine indices line = map removeFinalBar $ tail $
-  splitStringByIndices (init indices) $ removeTrailingSpace line
+  splitStringByIndices (init indices) $ trimr line
 
 gridPart :: Char -> Parser [Char] st (Int, Int)
 gridPart ch = do
@@ -1014,7 +1014,7 @@ gridTableHeader headless = try $ do
                     else map (intercalate " ") $ transpose
                        $ map (gridTableSplitLine indices) rawContent
   heads <- fmap sequence $ mapM (parseFromString block) $
-               map removeLeadingTrailingSpace rawHeads
+               map trim rawHeads
   return (heads, aligns, indices)
 
 gridTableRawLine :: [Int] -> Parser [Char] ParserState [String]
@@ -1228,7 +1228,7 @@ code = try $ do
                       notFollowedBy (char '`')))
   attr <- option ([],[],[]) (try $ guardEnabled Ext_inline_code_attributes >>
                                    optional whitespace >> attributes)
-  return $ return $ B.codeWith attr $ removeLeadingTrailingSpace $ concat result
+  return $ return $ B.codeWith attr $ trim $ concat result
 
 math :: Parser [Char] ParserState (F Inlines)
 math =  (return . B.displayMath <$> (mathDisplay >>= applyMacros'))
@@ -1416,7 +1416,7 @@ source' = do
   tit <- option "" linkTitle
   skipSpaces
   eof
-  return (escapeURI $ removeTrailingSpace src, tit)
+  return (escapeURI $ trimr src, tit)
 
 linkTitle :: Parser [Char] ParserState String
 linkTitle = try $ do
diff --git a/src/Text/Pandoc/Readers/RST.hs b/src/Text/Pandoc/Readers/RST.hs
index 0b01d3b53..2dfdd5377 100644
--- a/src/Text/Pandoc/Readers/RST.hs
+++ b/src/Text/Pandoc/Readers/RST.hs
@@ -256,15 +256,15 @@ imageBlock = try $ do
 imageDef :: Inlines -> RSTParser Inlines
 imageDef defaultAlt = try $ do
   string "image:: "
-  src <- escapeURI . removeLeadingTrailingSpace <$> manyTill anyChar newline
+  src <- escapeURI . trim <$> manyTill anyChar newline
   fields <- try $ do indent <- lookAhead $ many (oneOf " /t")
                      many $ rawFieldListItem indent
   optional blanklines
-  let alt = maybe defaultAlt (\x -> B.str $ removeTrailingSpace x)
+  let alt = maybe defaultAlt (\x -> B.str $ trimr x)
             $ lookup "alt" fields
   let img = B.image src "" alt
   return $ case lookup "target" fields of
-                 Just t  -> B.link (escapeURI $ removeLeadingTrailingSpace t)
+                 Just t  -> B.link (escapeURI $ trim t)
                               "" img
                  Nothing -> img
 
@@ -381,7 +381,7 @@ customCodeBlock = try $ do
 figureBlock :: RSTParser Blocks
 figureBlock = try $ do
   string ".. figure::"
-  src <- escapeURI . removeLeadingTrailingSpace <$> manyTill anyChar newline
+  src <- escapeURI . trim <$> manyTill anyChar newline
   body <- indentedBlock
   caption <- parseFromString extractCaption body
   return $ B.para $ B.image src "" caption
@@ -540,7 +540,7 @@ defaultRoleBlock :: RSTParser Blocks
 defaultRoleBlock = try $ do
     string ".. default-role::"
     -- doesn't enforce any restrictions on the role name; embedded spaces shouldn't be allowed, for one
-    role <- manyTill anyChar newline >>= return . removeLeadingTrailingSpace
+    role <- manyTill anyChar newline >>= return . trim
     updateState $ \s -> s { stateRstDefaultRole =
         if null role
            then stateRstDefaultRole defaultParserState
@@ -587,7 +587,7 @@ directive = try $ do
 -- divide string by blanklines
 toChunks :: String -> [String]
 toChunks = dropWhile null
-           . map (removeLeadingTrailingSpace . unlines)
+           . map (trim . unlines)
            . splitBy (all (`elem` " \t")) . lines
 
 ---
@@ -674,7 +674,7 @@ targetURI = do
   contents <- many1 (try (many spaceChar >> newline >>
                           many1 spaceChar >> noneOf " \t\n") <|> noneOf "\n")
   blanklines
-  return $ escapeURI $ removeLeadingTrailingSpace $ contents
+  return $ escapeURI $ trim $ contents
 
 imageKey :: RSTParser ()
 imageKey = try $ do
@@ -758,7 +758,7 @@ simpleTableRow indices = do
 
 simpleTableSplitLine :: [Int] -> String -> [String]
 simpleTableSplitLine indices line =
-  map removeLeadingTrailingSpace
+  map trim
   $ tail $ splitByIndices (init indices) line
 
 simpleTableHeader :: Bool  -- ^ Headerless table
@@ -777,7 +777,7 @@ simpleTableHeader headless = try $ do
                     then replicate (length dashes) ""
                     else simpleTableSplitLine indices rawContent
   heads <- mapM (parseFromString (B.toList . mconcat <$> many plain)) $
-             map removeLeadingTrailingSpace rawHeads
+             map trim rawHeads
   return (heads, aligns, indices)
 
 -- Parse a simple table.
@@ -845,7 +845,7 @@ code = try $ do
   string "``"
   result <- manyTill anyChar (try (string "``"))
   return $ B.code
-         $ removeLeadingTrailingSpace $ unwords $ lines result
+         $ trim $ unwords $ lines result
 
 -- succeeds only if we're not right after a str (ie. in middle of word)
 atStart :: RSTParser a -> RSTParser a
@@ -932,7 +932,7 @@ explicitLink = try $ do
   src <- manyTill (noneOf ">\n") (char '>')
   skipSpaces
   string "`_"
-  return $ B.link (escapeURI $ removeLeadingTrailingSpace src) "" label'
+  return $ B.link (escapeURI $ trim src) "" label'
 
 referenceLink :: RSTParser Inlines
 referenceLink = try $ do
diff --git a/src/Text/Pandoc/Shared.hs b/src/Text/Pandoc/Shared.hs
index cb74e7841..dee10cf9b 100644
--- a/src/Text/Pandoc/Shared.hs
+++ b/src/Text/Pandoc/Shared.hs
@@ -38,9 +38,9 @@ module Text.Pandoc.Shared (
                      backslashEscapes,
                      escapeStringUsing,
                      stripTrailingNewlines,
-                     removeLeadingTrailingSpace,
-                     removeLeadingSpace,
-                     removeTrailingSpace,
+                     trim,
+                     triml,
+                     trimr,
                      stripFirstAndLast,
                      camelCaseToHyphenated,
                      toRomanNumeral,
@@ -161,16 +161,16 @@ stripTrailingNewlines :: String -> String
 stripTrailingNewlines = reverse . dropWhile (== '\n') . reverse
 
 -- | Remove leading and trailing space (including newlines) from string.
-removeLeadingTrailingSpace :: String -> String
-removeLeadingTrailingSpace = removeLeadingSpace . removeTrailingSpace
+trim :: String -> String
+trim = triml . trimr
 
 -- | Remove leading space (including newlines) from string.
-removeLeadingSpace :: String -> String
-removeLeadingSpace = dropWhile (`elem` " \r\n\t")
+triml :: String -> String
+triml = dropWhile (`elem` " \r\n\t")
 
 -- | Remove trailing space (including newlines) from string.
-removeTrailingSpace :: String -> String
-removeTrailingSpace = reverse . removeLeadingSpace . reverse
+trimr :: String -> String
+trimr = reverse . triml . reverse
 
 -- | Strip leading and trailing characters from string
 stripFirstAndLast :: String -> String
diff --git a/src/Text/Pandoc/Writers/Docbook.hs b/src/Text/Pandoc/Writers/Docbook.hs
index a38f57074..70d6a08ea 100644
--- a/src/Text/Pandoc/Writers/Docbook.hs
+++ b/src/Text/Pandoc/Writers/Docbook.hs
@@ -49,7 +49,7 @@ authorToDocbook opts name' =
   in  if ',' `elem` name
          then -- last name first
               let (lastname, rest) = break (==',') name
-                  firstname = removeLeadingSpace rest in
+                  firstname = triml rest in
               inTagsSimple "firstname" (text $ escapeStringForXML firstname) <>
               inTagsSimple "surname" (text $ escapeStringForXML lastname)
          else -- last name last
@@ -74,7 +74,7 @@ writeDocbook opts (Pandoc (Meta tit auths dat) blocks) =
                     else Nothing
       render' = render colwidth
       opts' = if "/book>" `isSuffixOf`
-                      (removeTrailingSpace $ writerTemplate opts)
+                      (trimr $ writerTemplate opts)
                  then opts{ writerChapters = True }
                  else opts
       startLvl = if writerChapters opts' then 0 else 1
diff --git a/src/Text/Pandoc/Writers/EPUB.hs b/src/Text/Pandoc/Writers/EPUB.hs
index 3fac93c05..18e4d402b 100644
--- a/src/Text/Pandoc/Writers/EPUB.hs
+++ b/src/Text/Pandoc/Writers/EPUB.hs
@@ -151,7 +151,7 @@ writeEPUB opts doc@(Pandoc meta _) = do
                            [("id", takeBaseName $ eRelativePath ent),
                             ("href", eRelativePath ent),
                             ("media-type", maybe "" id $ getMimeType $ eRelativePath ent)] $ ()
-  let plainify t = removeTrailingSpace $
+  let plainify t = trimr $
                     writePlain opts'{ writerStandalone = False } $
                     Pandoc meta [Plain t]
   let plainTitle = plainify $ docTitle meta
@@ -289,7 +289,7 @@ transformInlines _ sourceDir picsRef (Image lab (src,tit) : xs) = do
                         return new
   return $ Image lab (newsrc, tit) : xs
 transformInlines (MathML _) _ _ (x@(Math _ _) : xs) = do
-  let writeHtmlInline opts z = removeTrailingSpace $
+  let writeHtmlInline opts z = trimr $
          writeHtmlString opts $ Pandoc (Meta [] [] []) [Plain [z]]
       mathml = writeHtmlInline def{writerHTMLMathMethod = MathML Nothing } x
       fallback = writeHtmlInline def{writerHTMLMathMethod = PlainMath } x
diff --git a/src/Text/Pandoc/Writers/Man.hs b/src/Text/Pandoc/Writers/Man.hs
index bececde25..3a8aa1437 100644
--- a/src/Text/Pandoc/Writers/Man.hs
+++ b/src/Text/Pandoc/Writers/Man.hs
@@ -63,8 +63,7 @@ pandocToMan opts (Pandoc (Meta title authors date) blocks) = do
                                   (text (reverse xs), char d)
                             xs -> (text (reverse xs), doubleQuotes empty)
   let description = hsep $
-                    map (doubleQuotes . text . removeLeadingTrailingSpace) $
-                    splitBy (== '|') rest
+                    map (doubleQuotes . text . trim) $ splitBy (== '|') rest
   body <- blockListToMan opts blocks
   notes <- liftM stNotes get
   notes' <- notesToMan opts (reverse notes)