Hsed.SedState

The state of the program

Documentation

data Env

Constructors

Env

Fields

ast_ :: [SedCmd]

Parsed Sed commands

defOutput_ :: !Bool

Suppress the default output

lastLine_ :: !Int

The last line index

curLine_ :: !Int

The current line index

inRange_ :: !Bool

Is pattern space matches the address range

patternSpace_ :: !ByteString

The buffer to keep the selected line(s)

holdSpace_ :: !ByteString

The buffer to keep the line(s) temporarily

appendSpace_ :: [ByteString]

The buffer to keep the append lines

memorySpace_ :: !ByteString

Store the output in the memory

useMemSpace_ :: !Bool

If True the Sed output is stored in the memory buffer

exit_ :: !Bool

Exit the stream editor

fileout_ :: [(FilePath, Handle)]

Write (w command) files handles

subst_ :: !Bool

The result of the last substitution

curFile_ :: (Handle, Bool)

Current input file handle

Instances

Show Env

curFile :: T Env (Handle, Bool)

subst :: T Env Bool

fileout :: T Env [(FilePath, Handle)]

exit :: T Env Bool

useMemSpace :: T Env Bool

memorySpace :: T Env ByteString

appendSpace :: T Env [ByteString]

holdSpace :: T Env ByteString

patternSpace :: T Env ByteString

inRange :: T Env Bool

curLine :: T Env Int

lastLine :: T Env Int

defOutput :: T Env Bool

ast :: T Env [SedCmd]

type SedState = StateT Env IO

initEnv :: Env

set :: T Env a -> a -> SedState ()

get :: T Env a -> SedState a

modify :: T Env a -> (a -> a) -> SedState ()