module Yi.Keymap.Vim.Ex.Commands.Sort (parse) where
import Control.Monad
import qualified Text.ParserCombinators.Parsec as P
import Yi.Buffer
import Yi.Keymap
import Yi.Keymap.Vim.Common
import qualified Yi.Keymap.Vim.Ex.Commands.Common as Common
import Yi.Keymap.Vim.Ex.Types
parse :: EventString -> Maybe ExCommand
parse = Common.parse $ do
region <- Common.parseRange
void $ P.string "sort"
return $ sort region
sort :: Maybe (BufferM Region) -> ExCommand
sort r = Common.pureExCommand {
cmdShow = "sort"
, cmdAction = BufferA $ sortA r
, cmdComplete = return ["sort"]
}
sortA :: Maybe (BufferM Region) -> BufferM ()
sortA r = do
region <- case r of
Nothing -> regionOfB Document
Just r' -> r'
sortLinesWithRegion region