[Pkg-haskell-commits] [SCM] haskell-testpack branch, master, updated. debian/1.0.2-1-4-gb0d6b36

[John Goerzen]

The following commit has been merged in the master branch:
commit cbbee6a4d2132d2b0a6ae181be93a3dc9e09a2b2
Author: John Goerzen <jgoerzen at complete.org>
Date:   Mon Oct 10 22:49:33 2005 +0100

    Initial import of tar

diff --git a/MissingH/FileArchive/Tar.hs b/MissingH/FileArchive/Tar.hs
new file mode 100644
index 0000000..74e925b
--- /dev/null
+++ b/MissingH/FileArchive/Tar.hs
@@ -0,0 +1,109 @@
+{-
+Copyright (C) 2005 John Goerzen <jgoerzen at complete.org>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+-}
+
+{- |
+   Module     : MissingH.FileArchive.Tar
+   Copyright  : Copyright (C) 2005 John Goerzen
+   License    : GNU GPL, version 2 or above
+
+   Maintainer : John Goerzen <jgoerzen at complete.org>
+   Stability  : provisional
+   Portability: portable
+
+Tar file format handler
+
+Copyright (c) 2005 John Goerzen, jgoerzen\@complete.org
+
+-}
+module MissingH.FileArchive.Tar (
+
+                                 )
+where
+
+import MissingH.Checksum.CRC32.GZip
+import MissingH.List
+import Data.List
+import Data.Bits
+import Control.Monad.Error
+import Control.Monad.State
+import Data.Char
+import Data.Word
+import MissingH.Bits
+import System.IO
+import Numeric
+
+type Section = (Header, [Word8])
+
+data GZipError = CRCError               -- ^ CRC-32 check failed
+               | NotGZIPFile            -- ^ Couldn't find a GZip header
+               | UnknownMethod          -- ^ Compressed with something other than method 8 (deflate)
+               | UnknownError String    -- ^ Other problem arose
+               deriving (Eq, Show)
+
+instance Error GZipError where
+    noMsg = UnknownError ""
+    strMsg = UnknownError
+
+{- | The data structure representing the Tar header.  This occurs
+at the beginning of each 'Section'. -}
+data Header = 
+    UStar {
+           name :: String,
+           mode :: Int,
+           uid :: Int,
+           gid :: Int,
+           size :: Integer,
+           mtime :: Integer,
+           chksum :: Word32,
+           typeflag :: Char,
+           linkname :: String,
+           magic :: String,
+           version :: String,
+           uname :: String,
+           gname :: String,
+           devmajor :: Integer,
+           devminor :: Integer,
+           prefix :: String}
+    deriving (Eq, Show)
+
+parseHeader :: String -> (String, String)
+parseHeader = 
+    runState $
+       do name <- (grab 100 >>= rchopstr)
+          mode <- (grab 8 >>= rreadoct)
+          uid <- (grab 8 >>= rreadoct)
+          gid <- (grab 8 >>= rreadoct)
+          size <- (grab 8 >>= rreadoct)
+          mtime <- (grab 12 >>= rreadoct)
+          chksum <- (grab 8 >>= rreadoct)
+          typeflag <- grab 1
+          linkname <- (grab 100 >>= rchopstr)
+          magic <- (grab 6 >>= rchopstr)
+          version <- grab 2
+          uname <- (grab 32 >>= rchopstr)
+          gname <- (grab 32 >>= rchopstr)
+          devmajor <- (grab 8 >>= rreadoct)
+          devminor <- (grab 8 >>= rreadoct)
+          prefix <- (grab 155 >>= rchopstr)
+          return "foo"
+          
+    where chopstr = takeWhile (\c -> c /= '\0')
+          rchopstr = return . chopstr
+          chopsstr = takeWhile (\c -> c /= ' ') . chopstr
+          readoct = fst . head . readOct . chopsstr
+          rreadoct = return . readoct
\ No newline at end of file

-- 
haskell-testpack