Language.C.Data.InputStream

Compile time input abstraction for the parser, relying on ByteString. The String interface only supports Latin-1 since alex-3, as alex now requires byte based access to the input stream.

Documentation

type InputStream = ByteString

readInputStream :: FilePath -> IO InputStream

read a file into an InputStream

inputStreamToString :: InputStream -> String

convert InputStream to String

inputStreamFromString :: String -> InputStream

convert a String to an InputStream

takeByte :: InputStream -> (Word8, InputStream)

(b,is') = takeByte is reads and removes the first byte b from the InputStream is

takeChar :: InputStream -> (Char, InputStream)

(c,is') = takeChar is reads and removes the first character c from the InputStream is

inputStreamEmpty :: InputStream -> Bool

return True if the given input stream is empty

takeChars :: Int -> InputStream -> [Char]

str = takeChars n is returns the first n characters of the given input stream, without removing them

countLines :: InputStream -> Int

countLines returns the number of text lines in the given InputStream