lib: Add wrap convenience function.

hledger-lib/Hledger/Data/Posting.hs

@@ -165,10 +165,10 @@ showPosting p@Posting{paccount=a,pamount=amt,ptype=t} =
     where
       ledger3ishlayout = False
       acctnamewidth = if ledger3ishlayout then 25 else 22
-      showaccountname = fitString (Just acctnamewidth) Nothing False False . bracket . T.unpack . elideAccountName width
+      showaccountname = T.unpack . fitText (Just acctnamewidth) Nothing False False . bracket . elideAccountName width
       (bracket,width) = case t of
-                          BalancedVirtualPosting -> (\s -> "["++s++"]", acctnamewidth-2)
-                          VirtualPosting -> (\s -> "("++s++")", acctnamewidth-2)
+                          BalancedVirtualPosting -> (wrap "[" "]", acctnamewidth-2)
+                          VirtualPosting         -> (wrap "(" ")", acctnamewidth-2)
                           _                      -> (id,acctnamewidth)
       showamount = fst . showMixed showAmount (Just 12) Nothing False
 
@@ -274,9 +274,9 @@ accountNameWithoutPostingType a = case accountNamePostingType a of
                                     RegularPosting -> a
 
 accountNameWithPostingType :: PostingType -> AccountName -> AccountName
-accountNameWithPostingType BalancedVirtualPosting a = "["<>accountNameWithoutPostingType a<>"]"
-accountNameWithPostingType VirtualPosting a = "("<>accountNameWithoutPostingType a<>")"
-accountNameWithPostingType RegularPosting a = accountNameWithoutPostingType a
+accountNameWithPostingType BalancedVirtualPosting = wrap "[" "]" . accountNameWithoutPostingType
+accountNameWithPostingType VirtualPosting         = wrap "(" ")" . accountNameWithoutPostingType
+accountNameWithPostingType RegularPosting         = accountNameWithoutPostingType
 
 -- | Prefix one account name to another, preserving posting type
 -- indicators like concatAccountNames.

hledger-lib/Hledger/Utils/Text.hs

@@ -12,6 +12,7 @@ module Hledger.Utils.Text
  -- underline,
  -- stripbrackets,
   textUnbracket,
+  wrap,
  -- -- quoting
   quoteIfSpaced,
   textQuoteIfNeeded,
@@ -87,6 +88,10 @@ textElideRight :: Int -> Text -> Text
 textElideRight width t =
     if T.length t > width then T.take (width - 2) t <> ".." else t
 
+-- | Wrap a Text with the surrounding Text.
+wrap :: Text -> Text -> Text -> Text
+wrap start end x = start <> x <> end
+
 -- -- | Clip and pad a string to a minimum & maximum width, and/or left/right justify it.
 -- -- Works on multi-line strings too (but will rewrite non-unix line endings).
 -- formatString :: Bool -> Maybe Int -> Maybe Int -> String -> String

hledger/Hledger/Cli/Commands/Register.hs

@@ -81,11 +81,11 @@ postingsReportItemAsCsvRecord (_, _, _, p, b) = [idx,date,code,desc,acct,amt,bal
     date = showDate $ postingDate p -- XXX csv should show date2 with --date2
     code = maybe "" (T.unpack . tcode) $ ptransaction p
     desc = T.unpack $ maybe "" tdescription $ ptransaction p
-    acct = bracket $ T.unpack $ paccount p
+    acct = T.unpack . bracket $ paccount p
       where
         bracket = case ptype p of
-                             BalancedVirtualPosting -> (\s -> "["++s++"]")
-                             VirtualPosting -> (\s -> "("++s++")")
+                             BalancedVirtualPosting -> wrap "[" "]"
+                             VirtualPosting -> wrap "(" ")"
                              _ -> id
     amt = showMixedAmountOneLineWithoutPrice False $ pamount p
     bal = showMixedAmountOneLineWithoutPrice False b