Language/TCT/Elem.hs

   1 module Language.TCT.Elem where
   2
   3 import Data.Eq (Eq)
   4 import Data.Semigroup (Semigroup(..))
   5 import Data.String (String)
   6 import Data.Text (Text)
   7 import Text.Show (Show(..))
   8
   9 --import Debug.Trace (trace)
  10 trac :: String -> a -> a
  11 trac _m x = x
  12 -- trac m x = trace m x
  13 dbg :: Show a => String -> a -> a
  14 dbg m x = trac (m <> ": " <> show x) x
  15
  16 -- * Type 'Elem'
  17 type Elem = Text
  18
  19 -- ** Type 'Attr'
  20 data Attr
  21  =   Attr
  22  {   attr_name  :: Text
  23  ,   attr_open  :: Text
  24  ,   attr_value :: Text
  25  ,   attr_close :: Text
  26  }
  27  deriving (Eq,Show)
  28
  29 -- ** Type 'White'
  30 type White = Text
  31
  32 -- ** Type 'Attrs'
  33 type Attrs = [(White,Attr)]