memory-hexstring (empty) → 1.0.0.0
raw patch · 7 files changed
+412/−0 lines, 7 filesdep +aesondep +basedep +bytestringsetup-changed
Dependencies added: aeson, base, bytestring, memory, scale, template-haskell, text
Files
- LICENSE +211/−0
- Setup.hs +2/−0
- memory-hexstring.cabal +47/−0
- src/Data/ByteArray/HexString.hs +19/−0
- src/Data/ByteArray/HexString/Convert.hs +52/−0
- src/Data/ByteArray/HexString/Internal.hs +50/−0
- src/Data/ByteArray/HexString/TH.hs +31/−0
+ LICENSE view
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+ Setup.hs view
@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain
+ memory-hexstring.cabal view
@@ -0,0 +1,47 @@+cabal-version: 1.12+name: memory-hexstring+version: 1.0.0.0+license: Apache-2.0+license-file: LICENSE+copyright: (c) Aleksandr Krupenkin 2016-2021+maintainer: mail@akru.me+author: Aleksandr Krupenkin+homepage: https://github.com/airalab/hs-web3#readme+bug-reports: https://github.com/airalab/hs-web3/issues+synopsis: Hex-string type for Haskell Web3 library.+description: Client library for Third Generation of Web.+category: Network+build-type: Simple++source-repository head+ type: git+ location: https://github.com/airalab/hs-web3++library+ exposed-modules:+ Data.ByteArray.HexString+ Data.ByteArray.HexString.Convert+ Data.ByteArray.HexString.Internal+ Data.ByteArray.HexString.TH++ hs-source-dirs: src+ other-modules: Paths_memory_hexstring+ default-language: Haskell2010+ ghc-options:+ -funbox-strict-fields -Wduplicate-exports -Whi-shadowing+ -Widentities -Woverlapping-patterns -Wpartial-type-signatures+ -Wunrecognised-pragmas -Wtyped-holes -Wincomplete-patterns+ -Wincomplete-uni-patterns -Wmissing-fields -Wmissing-methods+ -Wmissing-exported-signatures -Wmissing-monadfail-instances+ -Wmissing-signatures -Wname-shadowing -Wunused-binds+ -Wunused-top-binds -Wunused-local-binds -Wunused-pattern-binds+ -Wunused-imports -Wunused-matches -Wunused-foralls -Wtabs++ build-depends:+ aeson >1.2 && <1.6,+ base >4.11 && <4.15,+ bytestring >0.10 && <0.11,+ memory >0.14 && <0.16,+ scale ==1.0.*,+ template-haskell >2.11 && <2.17,+ text >1.2 && <1.3
+ src/Data/ByteArray/HexString.hs view
@@ -0,0 +1,19 @@+-- |+-- Module : Data.ByteArray.HexString+-- Copyright : Aleksandr Krupenkin 2016-2021+-- License : Apache-2.0+--+-- Maintainer : mail@akru.me+-- Stability : experimental+-- Portability : unportable+--+-- Hex string data type top level module.+--++module Data.ByteArray.HexString+ ( module Internal+ , module Convert+ ) where++import Data.ByteArray.HexString.Convert as Convert+import Data.ByteArray.HexString.Internal as Internal
+ src/Data/ByteArray/HexString/Convert.hs view
@@ -0,0 +1,52 @@+{-# LANGUAGE OverloadedStrings #-}++-- |+-- Module : Data.ByteArray.HexString.Convert+-- Copyright : Aleksandr Krupenkin 2016-2021+-- License : Apache-2.0+--+-- Maintainer : mail@akru.me+-- Stability : experimental+-- Portability : unportable+--+-- From/to hex conversion functions.+--++module Data.ByteArray.HexString.Convert where++import Data.Aeson (FromJSON (..), ToJSON (..),+ Value (String), withText)+import Data.ByteArray (ByteArray, ByteArrayAccess,+ convert)+import Data.ByteArray.Encoding (Base (Base16),+ convertToBase)+import Data.Text (Text)+import Data.Text.Encoding (decodeUtf8, encodeUtf8)++import Data.ByteArray.HexString.Internal (HexString (..), hexString)++-- | Convert type into it's hex representation.+class ToHex a where+ toHex :: a -> HexString++-- | Convert hex string into a type or return an error.+class FromHex a where+ fromHex :: HexString -> Either String a++-- | Reads a raw bytes and converts to hex representation.+fromBytes :: ByteArrayAccess ba => ba -> HexString+fromBytes = HexString . convert++-- | Access to the raw bytes of 'HexString'.+toBytes :: ByteArray ba => HexString -> ba+toBytes = convert . unHexString++-- | Access to a 'Text' representation of the 'HexString'+toText :: HexString -> Text+toText = ("0x" <>) . decodeUtf8 . convertToBase Base16 . unHexString++instance FromJSON HexString where+ parseJSON = withText "HexString" $ either fail pure . hexString . encodeUtf8++instance ToJSON HexString where+ toJSON = String . toText
+ src/Data/ByteArray/HexString/Internal.hs view
@@ -0,0 +1,50 @@+{-# LANGUAGE GeneralizedNewtypeDeriving #-}+{-# LANGUAGE OverloadedStrings #-}++-- |+-- Module : Data.ByteArray.HexString.Internal+-- Copyright : Aleksandr Krupenkin 2016-2021+-- License : Apache-2.0+--+-- Maintainer : mail@akru.me+-- Stability : experimental+-- Portability : unportable+--+-- Hex string data type.+--++module Data.ByteArray.HexString.Internal where++import Codec.Scale (Decode, Encode)+import Data.ByteArray (ByteArray, ByteArrayAccess, convert)+import qualified Data.ByteArray as BA (drop, take)+import Data.ByteArray.Encoding (Base (Base16), convertFromBase,+ convertToBase)+import Data.ByteString (ByteString)+import qualified Data.ByteString.Char8 as C8 (unpack)+import Data.String (IsString (..))++-- | Represents a Hex string. Guarantees that all characters it contains+-- are valid hex characters.+newtype HexString = HexString { unHexString :: ByteString }+ deriving (Eq, Ord, Semigroup, Monoid, ByteArrayAccess, ByteArray, Encode, Decode)++instance Show HexString where+ show = ("0x" ++) . C8.unpack . unHexString'+ where+ unHexString' :: HexString -> ByteString+ unHexString' = convertToBase Base16 . unHexString++instance IsString HexString where+ fromString = hexString' . fromString+ where+ hexString' :: ByteString -> HexString+ hexString' = either error id . hexString++-- | Smart constructor which trims '0x' and validates length is even.+hexString :: ByteArray ba => ba -> Either String HexString+hexString bs = HexString <$> convertFromBase Base16 bs'+ where+ hexStart = convert ("0x" :: ByteString)+ bs' | BA.take 2 bs == hexStart = BA.drop 2 bs+ | otherwise = bs
+ src/Data/ByteArray/HexString/TH.hs view
@@ -0,0 +1,31 @@+{-# LANGUAGE QuasiQuotes #-}+{-# LANGUAGE TemplateHaskell #-}++-- |+-- Module : Data.ByteArray.HexString.TH+-- Copyright : Aleksandr Krupenkin 2016-2021+-- License : Apache-2.0+--+-- Maintainer : mail@akru.me+-- Stability : experimental+-- Portability : unportable+--+-- Hex string template haskell helpers.+--++module Data.ByteArray.HexString.TH where++import Data.ByteArray.HexString.Internal (HexString)+import Data.String (fromString)+import Language.Haskell.TH.Quote (QuasiQuoter (..), quoteFile)++hexFrom :: QuasiQuoter+hexFrom = quoteFile hex++hex :: QuasiQuoter+hex = QuasiQuoter+ { quoteExp = \s -> [|fromString s :: HexString|]+ , quotePat = undefined+ , quoteType = undefined+ , quoteDec = undefined+ }