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module Main
( main
) where
import Control.Monad (foldM_)
import Data.Int (Int64)
import qualified Data.ByteString as ByteString
import qualified Data.ByteString.Char8 as Char8
import Data.ByteString (ByteString)
import qualified Text.Megaparsec as Megaparsec
import Data.Foldable (find)
import qualified Data.Text.Lazy.Builder as Text.Builder
import qualified Data.Text.Lazy.Builder.Int as Text.Builder
import qualified Data.Text.Lazy as Text.Lazy
import qualified Data.Text.Lazy.IO as Text.Lazy
import qualified Data.Text.Encoding as Text
import GHC.Records (HasField(..))
import Graphics.Fountainhead.Dumper (dumpTrueType)
-- TODO: kern table since format 1.
-- For details on subtable format see examples in TrueType reference.
import Graphics.Fountainhead.Parser
( fontDirectoryP
, os2TableP
, parseTable
, shortLocaTableP
)
import Graphics.Fountainhead.TrueType
( FontDirectory(..)
, OffsetSubtable(..)
, TableDirectory(..)
)
import System.Environment (getArgs)
import System.Exit (exitWith)
import GHC.IO.Exception (ExitCode(..))
fontMain :: FilePath -> IO ()
fontMain fontFile = do
putStrLn $ "Dumping File:" <> fontFile <> "\n\n"
ttfContents <- ByteString.readFile fontFile
let initialState = Megaparsec.State
{ stateInput = ttfContents
, stateOffset = 0
, statePosState = Megaparsec.PosState
{ pstateInput = ttfContents
, pstateOffset = 0
, pstateSourcePos = Megaparsec.initialPos fontFile
, pstateTabWidth = Megaparsec.defaultTabWidth
, pstateLinePrefix = ""
}
, stateParseErrors = []
}
(processedState, initialResult) = Megaparsec.runParser' fontDirectoryP initialState
case initialResult >>= dumpTrueType processedState of
(Right fontDump) -> Text.Lazy.putStrLn $ Text.Builder.toLazyText fontDump
Left e -> putStr (Megaparsec.errorBundlePretty e)
{-
let Just tableDirectory' = find (("OS/2" ==) . tag) $ tableDirectory directory
tableResult = parseTable tableDirectory' os2TableP processedState
case tableResult of
Right x -> print x -}
main :: IO ()
main = do
programArguments <- getArgs
case programArguments of
[fontFile] -> fontMain fontFile
_ -> putStrLn "The program expects exactly one argument, the font file path."
>> exitWith (ExitFailure 2)
|
