ruby-marshal

Haskell library to parse a subset of Ruby objects serialised with Marshal.dump

Monthly Downloads: 1

Programming language: Haskell

License: MIT License

Tags: Data    

Latest version: v0.2.0

README

ruby-marshal

Haskell library to parse a subset of Ruby objects serialised with Marshal.dump.

Supported Types

• NilClass
• TrueClass | FalseClass
• Array
• Fixnum
• Float
• Hash
• String
• Symbol

If you would like to add support for another type, please feel free to create an issue or open a pull request using the guidelines below.

Usage

Example

{-# LANGUAGE OverloadedStrings #-}

module Main where

import Data.Ruby.Marshal
import Data.ByteString  (ByteString)
import System.Directory (getCurrentDirectory)

import qualified Data.ByteString as BS
import qualified Data.Map.Strict as DM

lookupUserID :: (ByteString, RubyStringEncoding)
             -> RubyObject
             -> Maybe (ByteString, RubyStringEncoding)
lookupUserID key hash = fromRuby hash >>= \cookie -> DM.lookup key cookie

main :: IO ()
main = do
  dir <- getCurrentDirectory
  rbs <- BS.readFile (mconcat [dir, "/test/bin/railsCookie.bin"])
  print $
    case decode rbs of
      Just cookie -> lookupUserID ("user_id", UTF_8) cookie
      Nothing     -> Nothing

Contributing

1. Fork it.
2. Create your feature branch (git checkout -b my-new-feature).
3. Commit your changes (git commit -am 'Add some feature').
4. Push to the branch (git push origin my-new-feature).
5. Create new Pull Request.

Contributors

• @mcfilib
• @adinapoli
• @kanishka-azimi
• @zyla
• @etherz10
• @JackKelly-Bellroy

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