initial commit

.gitignore

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+*.aux
+cabal-dev
+.cabal-sandbox
+cabal.config
+cabal.sandbox.config
+*.chi
+*.chs.h
+config/client_session_key.aes
+playground/
+dist*
+.DS_Store
+*.dyn_hi
+*.dyn_o
+*.hi
+*.hp
+.hpc
+.ghci
+.hsenv*
+*.o
+*.prof
+*.sqlite3
+untracked/
+uploads/
+static/combined/
+static/tmp/
+*.swp
+.virtualenv
+.stack-work/
+yesod-devel/
+tmp/
+config/client_session_key.aes
+playground/auth.txt
+**/*.dump-hi
+tags
+TAGS
+
+docs/db/unthreat

colonnade/LICENSE

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+Copyright Andrew Martin (c) 2016
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Andrew Martin nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

colonnade/Setup.hs

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+import Distribution.Simple
+main = defaultMain

colonnade/app/Main.hs

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+module Main where
+
+import Lib
+
+main :: IO ()
+main = someFunc

colonnade/colonnade.cabal

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+name:                colonnade
+version:             0.1
+synopsis:            Generic types and functions for columnar encoding and decoding
+description:         Please see README.md
+homepage:            https://github.com/andrewthad/colonnade#readme
+license:             BSD3
+license-file:        LICENSE
+author:              Andrew Martin
+maintainer:          andrew.thaddeus@gmail.com
+copyright:           2016 Andrew Martin
+category:            web
+build-type:          Simple
+cabal-version:       >=1.10
+
+library
+  hs-source-dirs:      src
+  exposed-modules:
+    Colonnade.Types
+    Colonnade.Encoding
+    Colonnade.Decoding
+    Colonnade.Internal.Ap
+  build-depends:       
+      base >= 4.7 && < 5
+    , contravariant
+    , vector
+  default-language:    Haskell2010
+
+source-repository head
+  type:     git
+  location: https://github.com/andrewthad/colonnade

colonnade/src/Colonnade/Decoding.hs

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+{-# LANGUAGE RankNTypes          #-}
+{-# LANGUAGE ScopedTypeVariables #-}
+module Colonnade.Decoding where
+
+import Colonnade.Types
+import Data.Functor.Contravariant
+
+-- | Converts the content type of a 'Decoding'. The @'Contravariant' f@
+-- constraint means that @f@ can be 'Headless' but not 'Headed'.
+contramapContent :: forall c1 c2 f a. Contravariant f => (c2 -> c1) -> Decoding f c1 a -> Decoding f c2 a
+contramapContent f = go
+  where 
+  go :: forall b. Decoding f c1 b -> Decoding f c2 b
+  go (DecodingPure x) = DecodingPure x
+  go (DecodingAp h decode apNext) =
+    DecodingAp (contramap f h) (decode . f) (go apNext)
+
+headless :: (content -> Either String a) -> Decoding Headless content a
+headless f = DecodingAp Headless f (DecodingPure id)
+
+headed :: content -> (content -> Either String a) -> Decoding Headed content a
+headed h f = DecodingAp (Headed h) f (DecodingPure id)
+
+

colonnade/src/Colonnade/Encoding.hs

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+module Colonnade.Encoding where
+
+import Colonnade.Types
+import qualified Data.Vector as Vector
+
+mapContent :: Functor f => (c1 -> c2) -> Encoding f c1 a -> Encoding f c2 a
+mapContent f (Encoding v) = Encoding 
+  $ Vector.map (\(h,c) -> (fmap f h,f . c)) v
+
+headless :: (a -> content) -> Encoding Headless content a
+headless f = Encoding (Vector.singleton (Headless,f))
+
+headed :: content -> (a -> content) -> Encoding Headed content a
+headed h f = Encoding (Vector.singleton (Headed h,f))
+

colonnade/src/Colonnade/Internal/Ap.hs

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+{-# LANGUAGE Rank2Types #-}
+{-# LANGUAGE GADTs #-}
+{-# OPTIONS_GHC -Wall #-}
+
+module Colonnade.Internal.Ap
+  ( Ap(..)
+  , runAp
+  , runAp_
+  , liftAp
+  , hoistAp
+  , retractAp
+  ) where
+
+import Control.Applicative
+
+-- | The free 'Applicative' for a 'Functor' @f@.
+data Ap f a where
+  Pure :: a -> Ap f a
+  Ap   :: f a -> Ap f (a -> b) -> Ap f b
+
+runAp :: Applicative g => (forall x. f x -> g x) -> Ap f a -> g a
+runAp _ (Pure x) = pure x
+runAp u (Ap f x) = flip id <$> u f <*> runAp u x
+
+runAp_ :: Monoid m => (forall a. f a -> m) -> Ap f b -> m
+runAp_ f = getConst . runAp (Const . f)
+
+instance Functor (Ap f) where
+  fmap f (Pure a)   = Pure (f a)
+  fmap f (Ap x y)   = Ap x ((f .) <$> y)
+
+instance Applicative (Ap f) where
+  pure = Pure
+  Pure f <*> y = fmap f y
+  Ap x y <*> z = Ap x (flip <$> y <*> z)
+
+liftAp :: f a -> Ap f a
+liftAp x = Ap x (Pure id)
+{-# INLINE liftAp #-}
+
+hoistAp :: (forall a. f a -> g a) -> Ap f b -> Ap g b
+hoistAp _ (Pure a) = Pure a
+hoistAp f (Ap x y) = Ap (f x) (hoistAp f y)
+
+retractAp :: Applicative f => Ap f a -> f a
+retractAp (Pure a) = pure a
+retractAp (Ap x y) = x <**> retractAp y

colonnade/src/Colonnade/Types.hs

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+{-# LANGUAGE DeriveFunctor #-}
+{-# LANGUAGE GeneralizedNewtypeDeriving #-}
+{-# LANGUAGE GADTs #-}
+module Colonnade.Types
+  ( Encoding(..)
+  , Decoding(..)
+  , Headed(..)
+  , Headless(..)
+  ) where
+
+import Data.Vector (Vector)
+import Data.Functor.Contravariant (Contravariant(..))
+import Data.Functor.Contravariant.Divisible (Divisible(..))
+import qualified Data.Vector as Vector
+
+-- | Isomorphic to 'Identity'
+newtype Headed a = Headed { getHeaded :: a }
+  deriving (Eq,Ord,Functor,Show,Read)
+
+-- | Isomorphic to 'Proxy'
+data Headless a = Headless
+  deriving (Eq,Ord,Functor,Show,Read)
+
+instance Contravariant Headless where
+  contramap _ Headless = Headless
+
+-- | This just actually a specialization of the free applicative.
+--   Check out @Control.Applicative.Free@ in the @free@ library to
+--   learn more about this.
+data Decoding f content a where
+  DecodingPure :: !a 
+               -> Decoding f content a
+  DecodingAp :: !(f content)
+             -> !(content -> Either String a) 
+             -> !(Decoding f content (a -> b))
+             -> Decoding f content b
+
+instance Functor (Decoding f content) where
+  fmap f (DecodingPure a) = DecodingPure (f a)
+  fmap f (DecodingAp h c apNext) = DecodingAp h c ((f .) <$> apNext)
+
+instance Applicative (Decoding f content) where
+  pure = DecodingPure
+  DecodingPure f <*> y = fmap f y
+  DecodingAp h c y <*> z = DecodingAp h c (flip <$> y <*> z)
+
+newtype Encoding f content a = Encoding 
+  { getEncoding :: Vector (f content,a -> content) }
+  deriving (Monoid)
+
+instance Contravariant (Encoding f content) where
+  contramap f (Encoding v) = Encoding 
+    (Vector.map (\(h,c) -> (h, c . f)) v)
+
+instance Divisible (Encoding f content) where
+  conquer = Encoding Vector.empty
+  divide f (Encoding a) (Encoding b) = 
+    Encoding $ (Vector.++)
+      (Vector.map (\(h,c) -> (h,c . fst . f)) a)
+      (Vector.map (\(h,c) -> (h,c . snd . f)) b)
+
+

reflex-dom-colonnade/LICENSE

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+Copyright Andrew Martin (c) 2016
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Andrew Martin nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

reflex-dom-colonnade/Setup.hs

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+import Distribution.Simple
+main = defaultMain

reflex-dom-colonnade/app/Main.hs

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+module Main where
+
+import Lib
+
+main :: IO ()
+main = someFunc

reflex-dom-colonnade/reflex-dom-colonnade.cabal

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+name:                reflex-dom-colonnade
+version:             0.1
+synopsis:            Use colonnade with reflex-dom
+description:         Please see README.md
+homepage:            https://github.com/andrewthad/colonnade#readme
+license:             BSD3
+license-file:        LICENSE
+author:              Andrew Martin
+maintainer:          andrew.thaddeus@gmail.com
+copyright:           2016 Andrew Martin
+category:            web
+build-type:          Simple
+cabal-version:       >=1.10
+
+library
+  hs-source-dirs:      src
+  exposed-modules:
+    Reflex.Dom.Colonnade
+  build-depends:       
+      base >= 4.7 && < 5
+    , colonnade
+    , contravariant
+    , vector
+    , reflex-dom
+  default-language:    Haskell2010
+
+source-repository head
+  type:     git
+  location: https://github.com/andrewthad/colonnade

reflex-dom-colonnade/src/Reflex/Dom/Colonnade.hs

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+module Reflex.Dom.Colonnade where
+
+import Colonnade.Types
+import Reflex.Dom.Widget.Basic
+
+-- hmm...
+-- data WithAttrs 
+
+basic :: MonadWidget t m
+      => Encoding Headed (m ()) Int
+      -> m ()
+basic (Encoding v) = do
+  el "table" $ do
+    el "thead" $ mapM_ (getHeaded . fst) v
+

stack.yaml

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+# This file was automatically generated by 'stack init'
+# 
+# Some commonly used options have been documented as comments in this file.
+# For advanced use and comprehensive documentation of the format, please see:
+# http://docs.haskellstack.org/en/stable/yaml_configuration/
+
+# Resolver to choose a 'specific' stackage snapshot or a compiler version.
+# A snapshot resolver dictates the compiler version and the set of packages
+# to be used for project dependencies. For example:
+# 
+# resolver: lts-3.5
+# resolver: nightly-2015-09-21
+# resolver: ghc-7.10.2
+# resolver: ghcjs-0.1.0_ghc-7.10.2
+# resolver:
+#  name: custom-snapshot
+#  location: "./custom-snapshot.yaml"
+resolver: lts-6.4
+
+# User packages to be built.
+# Various formats can be used as shown in the example below.
+# 
+# packages:
+# - some-directory
+# - https://example.com/foo/bar/baz-0.0.2.tar.gz
+# - location:
+#    git: https://github.com/commercialhaskell/stack.git
+#    commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a
+# - location: https://github.com/commercialhaskell/stack/commit/e7b331f14bcffb8367cd58fbfc8b40ec7642100a
+#   extra-dep: true
+#  subdirs:
+#  - auto-update
+#  - wai
+# 
+# A package marked 'extra-dep: true' will only be built if demanded by a
+# non-dependency (i.e. a user package), and its test suites and benchmarks
+# will not be run. This is useful for tweaking upstream packages.
+packages:
+- 'colonnade'
+- 'reflex-dom-colonnade'
+# Dependency packages to be pulled from upstream that are not in the resolver
+# (e.g., acme-missiles-0.3)
+extra-deps:
+- 'reflex-dom-0.3'
+- 'ref-tf-0.4'
+- 'reflex-0.4.0'
+- 'aeson-0.9.0.1'
+- 'haskell-src-exts-1.16.0.1'
+- 'syb-0.5.1'
+
+
+
+# Override default flag values for local packages and extra-deps
+flags: {}
+
+# Extra package databases containing global packages
+extra-package-dbs: []
+
+# Control whether we use the GHC we find on the path
+# system-ghc: true
+# 
+# Require a specific version of stack, using version ranges
+# require-stack-version: -any # Default
+# require-stack-version: ">=1.1"
+# 
+# Override the architecture used by stack, especially useful on Windows
+# arch: i386
+# arch: x86_64
+# 
+# Extra directories used by stack for building
+# extra-include-dirs: [/path/to/dir]
+# extra-lib-dirs: [/path/to/dir]
+# 
+# Allow a newer minor version of GHC than the snapshot specifies
+# compiler-check: newer-minor