on afb03ed help sign in
28 files changed+316−1032
since splitsnapshots
unifiedsplit
.travis.yml+2−2 ChangeLog.md−21 README.md+4−4 release+8−16 release.nix−32 schematic.cabal+7−15 src/Data/Schematic.hs+23 src/Data/Schematic/DSL.hs+12−17 src/Data/Schematic/Generator.hs−91 src/Data/Schematic/Generator/Regex.hs−76 src/Data/Schematic/Instances.hs−4 src/Data/Schematic/JsonSchema.hs+10−29 src/Data/Schematic/Lens.hs+28−46 src/Data/Schematic/Migration.hs+6−14 src/Data/Schematic/Path.hs+6−4 src/Data/Schematic/Schema.hs+137−181 src/Data/Schematic/Schema.hs-boot−95 src/Data/Schematic/Validation.hs+19−76 src/Data/Schematic/Verifier.hs−5 src/Data/Schematic/Verifier/Array.hs−14 src/Data/Schematic/Verifier/Common.hs−43 src/Data/Schematic/Verifier/Number.hs−31 src/Data/Schematic/Verifier/Text.hs−121 stack-13.7.yaml−5 stack.yaml+50−4 test/JsonSchemaSpec.hs−58 test/LensSpec.hs+4−4 test/SchemaSpec.hs−24
.travis.yml+2−2
@@ -1,4 +1,4 @@
1−sudo: required
1+sudo: false
22
33language: c
44
@@ -22,4 +22,4 @@ script:
2222
2323cache:
2424 directories:
25− - $HOME/.stack
25+ - $HOME/.stack
ChangeLog.md−21
@@ -1,26 +1,5 @@
11# Revision history for schematic
22
3−## 0.5.0.0 -- 2019-02-20
4−
5−GHC 8.6, json generation by schema definition, validation bug fixes, better
6−parsing error messages.
7−
8−## 0.4.3.0 -- 2018-07-12
9−
10−GHC 8.4 support, dropping support for older GHC versions
11−
12−## 0.4.2.0
13−
14−Support ghc-8.4 and drop support for older versions
15−
16−## 0.4.1.0 -- 2017-11-05
17−
18−Convenience isomorphisms: txt, num, opt, bln etc
19−
20−## 0.4.1.0 -- 2017-11-01
21−
22−flens and fget now use type application syntax
23−
243## 0.4.0.0 -- 2017-10-17
254
265Object building DSL, more convenience helpers, MCons simplified with Tagged
README.md+4−4
@@ -24,7 +24,7 @@ $ stack install schematic
2424
2525## GHC Extensions
2626
27−To use this library without any hassle you should add a few GHC extension
27+To use this library without any hassle, you should add a few GHC extension
2828either to a module or a cabal file:
2929
3030```
@@ -35,7 +35,7 @@ TypeApplications
3535```
3636
3737`Overloaded`-extensions are being used only by `field` combinator,
38−so if you don't use it - feel free to disable it.
38+so it you don't use it - feel free to disable it.
3939
4040## GHC Options
4141
@@ -132,8 +132,8 @@ type SchemaExample = 'SchemaObject FieldsSchema
132132
133133There are two ways of working with named fields in the objects:
134134
135−* Using the `fget` and `fset` functions: `fget @"foo" (fput newFooVal objectData) == newFooVal`
136−* Using the lens library: `set (flens @"foo") newFooVal objectData ^. flens @"foo" == newFooVal`
135+* Using the `fget` and `fset` functions: `fget fooProxy (fput newFooVal objectData) == newFooVal`
136+* Using the lens library: `set (flens (Proxy @"foo")) newFooVal objectData ^. flens (Proxy @"foo") == newFooVal`
137137
138138## Migrations
139139
release+8−16
@@ -4,12 +4,6 @@ set -o xtrace
44
55dist=`stack path --dist-dir --stack-yaml ./stack.yaml 2> /dev/null`
66
7−rootdir=`pwd`
8−
9−cabalfile=`ls *.cabal`
10−packagename="${cabalfile%%.*}"
11−version=`grep '^version:' schematic.cabal | rev | cut -d" " -f1 | rev`
12−
137echo -e "\033[1;36mTesting library...\033[0m"
148stack test 2> /dev/null
159
@@ -24,19 +18,17 @@ if [ "$?" -eq "0" ]; then
2418 read -p "Hackage username: " username
2519 read -p "Hackage password: " -s password
2620 echo ""
27− cabal upload -u $username -p $password dist/$packagename-$version.tar.gz
21+ cabal upload -u $username -p $password dist/$1-$2.tar.gz
2822
29− docdir=`find .stack-work -name "$packagename-$version-docs"`
23+ docdir=$dist/doc/html
24+ cd $docdir
25+ doc=$1-$2-docs
3026
31− echo -e "Compressing documentation from \033[1;34m$docdir\033[0m for \033[1;35m$packagename\033[0m-\033[1;33m$version\033[1;30m"
32− tar -c -v -z --format=ustar -f $docdir.tar.gz $docdir
27+ echo -e "Compressing documentation from \033[1;34m$docdir\033[0m for \033[1;35m$1\033[0m-\033[1;33m$2\033[1;30m"
28+ cp -r $1 $doc
29+ tar -c -v -z --format=ustar -f $doc.tar.gz $doc
3330 echo -e "\033[1;32mUploading documentation to Hackage...\033[0m"
34− cd $docdir
35− cd ..
36− curl -X PUT -H 'Content-Type: application/x-tar' -H 'Content-Encoding: gzip' --data-binary "$packagename-$version-docs.tar.gz" "https://$username:$password@hackage.haskell.org/package/$packagename-$version/candidate/docs"
37− open "https://hackage.haskell.org/package/$packagename-$version/candidate/"
38− cd $rootdir
39− echo "To publish the candidate, use 'cabal upload --publish'."
31+ curl -X PUT -H 'Content-Type: application/x-tar' -H 'Content-Encoding: gzip' --data-binary "@$doc.tar.gz" "https://$username:$password@hackage.haskell.org/package/$1-$2/docs"
4032 exit $?
4133else
4234 echo -e "\033[1;31mNot in a stack-powered project\033[0m"
release.nixdeleted−32
@@ -1,32 +0,0 @@
1−{ schematicSrc ? { outPath = ./.; revCount = 0; gitTag = "dirty"; }
2−, supportedSystems ? [ "x86_64-linux" ]
3−}:
4−
5−let
6− _nixpkgs = import <nixpkgs> {};
7− inherit (_nixpkgs) pkgs lib;
8−
9− stackageOverlayPath = pkgs.fetchFromGitHub {
10− owner = "typeable";
11− repo = "nixpkgs-stackage";
12− rev = "abe0a03ba2bde609b0707ce45301ec836cb3ed29";
13− sha256 = "0ksdk83zbsgvs30izwsfyjh4xxwz8dsn9a5igrs3pjap4whpzqfv";
14− };
15−
16− nixpkgsArgs = {
17− overlays = [ (import stackageOverlayPath) ];
18− };
19−
20− release = import <nixpkgs/pkgs/top-level/release-lib.nix> { inherit nixpkgsArgs supportedSystems; };
21−
22− mkStackage = system:
23− let
24− nixpkgs = release.pkgsFor system;
25− stackage = nixpkgs.haskell.packages.stackage.lib.callStackage2nix "schematic" schematicSrc { inherit nixpkgs; };
26− in
27− stackage;
28−
29−in
30− lib.genAttrs supportedSystems (system: {
31− inherit (mkStackage system) schematic;
32− })
schematic.cabal+7−15
@@ -1,7 +1,6 @@
11name: schematic
2−version: 0.5.0.0
2+version: 0.4.0.0
33synopsis: JSON-biased spec and validation tool
4−description: JSON-biased spec and validation tool. Makes possible to have a schema as a haskell type and derive json instances, validation actions, JSON generation for property-test generically. Built-in lens support.
54license: BSD3
65license-file: LICENSE
76author: Denis Redozubov
@@ -16,8 +15,6 @@ cabal-version: >=1.10
1615library
1716 exposed-modules: Data.Schematic
1817 , Data.Schematic.DSL
19− , Data.Schematic.Generator
20− , Data.Schematic.Generator.Regex
2118 , Data.Schematic.Instances
2219 , Data.Schematic.JsonSchema
2320 , Data.Schematic.Helpers
@@ -26,11 +23,6 @@ library
2623 , Data.Schematic.Path
2724 , Data.Schematic.Schema
2825 , Data.Schematic.Validation
29− , Data.Schematic.Verifier
30− , Data.Schematic.Verifier.Array
31− , Data.Schematic.Verifier.Common
32− , Data.Schematic.Verifier.Number
33− , Data.Schematic.Verifier.Text
3426 ghc-options: -Wall
3527 default-extensions: ConstraintKinds
3628 , DataKinds
@@ -65,7 +57,7 @@ library
6557 , TypeOperators
6658 , TypeSynonymInstances
6759 , UndecidableInstances
68− build-depends: base >=4.11 && <4.13
60+ build-depends: base >=4.9 && <4.11
6961 , bytestring
7062 , aeson >= 1
7163 , containers
@@ -75,14 +67,14 @@ library
7567 , regex-tdfa
7668 , regex-tdfa-text
7769 , scientific
78− , singletons >= 2.4
70+ , singletons >= 2.2
7971 , smallcheck
8072 , tagged
8173 , template-haskell
8274 , text
8375 , union
8476 , unordered-containers
85− , validationt >= 0.2.1.0
77+ , validationt >= 0.1.0.1
8678 , vector
8779 , vinyl
8880 hs-source-dirs: src
@@ -95,7 +87,7 @@ test-suite spec
9587 default-language: Haskell2010
9688 build-depends: HUnit
9789 , aeson >= 1
98− , base >=4.11 && <4.13
90+ , base >=4.9 && <4.11
9991 , bytestring
10092 , containers
10193 , hjsonschema
@@ -112,9 +104,9 @@ test-suite spec
112104 , tagged
113105 , text
114106 , unordered-containers
115− , validationt >= 0.2.1.0
107+ , validationt >= 0.1.0.1
116108 , vinyl
117109 other-modules: SchemaSpec
118110 , HelpersSpec
119111 , LensSpec
120− , JsonSchemaSpec
112+ , JsonSchemaSpec
src/Data/Schematic.hs+23
@@ -39,6 +39,29 @@ import Data.Tagged
3939import Data.Text as T
4040
4141
42+parseAndValidateJson
43+ :: forall schema
44+ . (J.FromJSON (JsonRepr schema), TopLevel schema, SingI schema)
45+ => J.Value
46+ -> ParseResult (JsonRepr schema)
47+parseAndValidateJson v =
48+ case parseEither parseJSON v of
49+ Left s -> DecodingError $ T.pack s
50+ Right jsonRepr ->
51+ let
52+ validate = validateJsonRepr (sing :: Sing schema) [] jsonRepr
53+ res = runIdentity . runValidationTEither $ validate
54+ in case res of
55+ Left em -> ValidationError em
56+ Right () -> Valid jsonRepr
57+
58+parseAndValidateJsonBy
59+ :: (J.FromJSON (JsonRepr schema), TopLevel schema, SingI schema)
60+ => proxy schema
61+ -> J.Value
62+ -> ParseResult (JsonRepr schema)
63+parseAndValidateJsonBy _ = parseAndValidateJson
64+
4265parseAndValidateTopVersionJson
4366 :: forall proxy (v :: Versioned)
4467 . (SingI (TopVersion (AllVersions v)))
src/Data/Schematic/DSL.hs+12−17
@@ -1,8 +1,8 @@
11{-# LANGUAGE AllowAmbiguousTypes #-}
2−{-# LANGUAGE CPP #-}
32
43module Data.Schematic.DSL where
54
5+import Data.Coerce
66import Data.Kind
77import Data.Schematic.Lens
88import Data.Schematic.Schema
@@ -18,19 +18,11 @@ import Data.Vinyl
1818import Data.Vinyl.Functor
1919
2020
21−#if MIN_VERSION_base(4,12,0)
2221type Constructor a
23− = forall fields b
24− . (fields ~ FieldsOf a, FSubset fields b (FImage fields b), RMap fields)
25− => Rec (Tagged fields :. FieldRepr) b
26− -> JsonRepr ('SchemaObject fields)
27−#else
28−type Constructor a
29− = forall fields b
30− . (fields ~ FieldsOf a, FSubset fields b (FImage fields b))
31− => Rec (Tagged fields :. FieldRepr) b
32− -> JsonRepr ('SchemaObject fields)
33−#endif
22+ = forall b. FSubset (FieldsOf a) b (FImage (FieldsOf a) b)
23+ => Rec (Tagged (FieldsOf a) :. FieldRepr) b
24+ -> JsonRepr ('SchemaObject (FieldsOf a))
25+
3426withRepr :: Constructor a
3527withRepr = ReprObject . rmap (unTagged . getCompose) . fcast
3628
@@ -75,12 +67,15 @@ type family FieldsOf (s :: Schema) :: [(Symbol, Schema)] where
7567 FieldsOf ('SchemaObject fs) = fs
7668
7769type FieldConstructor fn =
78− forall byField fs. (byField ~ ByField fn fs (FIndex fn fs), Representable byField)
79− => Repr byField
80− -> (Tagged fs :. FieldRepr) '(fn, byField)
70+ forall fs rty ty
71+ . ( Coercible rty ty
72+ , rty ~ Repr (ByField fn fs (FIndex fn fs))
73+ , Representable (ByField fn fs (FIndex fn fs)) )
74+ => ty
75+ -> (Tagged fs :. FieldRepr) '(fn, (ByField fn fs (FIndex fn fs)))
8176
8277field :: forall fn. KnownSymbol fn => FieldConstructor fn
83−field = Compose . Tagged . constructField (sing :: Sing fn) Proxy
78+field = Compose . Tagged . constructField (sing :: Sing fn) Proxy . coerce
8479
8580type family Repr (s :: Schema) = (ty :: Type) where
8681 Repr ('SchemaObject so) = Rec FieldRepr so
src/Data/Schematic/Generator.hsdeleted−91
@@ -1,91 +0,0 @@
1−module Data.Schematic.Generator where
2−
3−import Data.Maybe
4−import Data.Schematic.Generator.Regex
5−import {-# SOURCE #-} Data.Schematic.Schema
6−import Data.Schematic.Verifier
7−import Data.Scientific
8−import Data.Text (Text, pack)
9−import qualified Data.Vector as V
10−import Test.SmallCheck.Series
11−
12−maxHigh :: Int
13−maxHigh = 30
14−
15−minLow :: Int
16−minLow = 2
17−
18−textLengthSeries :: Monad m => [VerifiedTextConstraint] -> Series m Text
19−textLengthSeries =
20− \case
21− [VTEq eq] -> pure $ pack $ take (fromIntegral eq) $ cycle "sample"
22− [VTBounds ml mh] -> do
23− let
24− l = fromMaybe minLow (fromIntegral <$> ml) + 1
25− h = fromMaybe maxHigh (fromIntegral <$> mh) - 1
26− n <- generate $ \depth -> take depth [l .. h]
27− pure $ pack $ take (fromIntegral n) $ cycle "sample"
28− _ -> pure "error"
29−
30−textEnumSeries :: Monad m => [Text] -> Series m Text
31−textEnumSeries enum = generate $ \depth -> take depth enum
32−
33−textSeries :: Monad m => [DemotedTextConstraint] -> Series m Text
34−textSeries cs = do
35− let mvcs = verifyTextConstraints cs
36− case mvcs of
37− Just vcs -> do
38− n <- textSeries' vcs
39− pure n
40− Nothing -> pure "error"
41−
42−textSeries' :: Monad m => [VerifiedTextConstraint] -> Series m Text
43−textSeries' [] = pure "sample"
44−textSeries' vcs = do
45− let enums = listToMaybe [x | VTEnum x <- vcs]
46− case enums of
47− Just e -> textEnumSeries e
48− Nothing -> do
49− let regexps = listToMaybe [x | VTRegex x _ _ <- vcs]
50− case regexps of
51− Just e -> regexSeries e
52− Nothing -> textLengthSeries vcs
53−
54−numberSeries :: Monad m => [DemotedNumberConstraint] -> Series m Scientific
55−numberSeries cs = do
56− let mvcs = verifyNumberConstraints cs
57− case mvcs of
58− Just vcs -> do
59− n <- numberSeries' vcs
60− pure $ n
61− Nothing -> pure 0
62−
63−numberSeries' :: Monad m => VerifiedNumberConstraint -> Series m Scientific
64−numberSeries' =
65− \case
66− VNEq eq -> pure $ fromIntegral eq
67− VNBounds ml mh -> do
68− let l = fromMaybe minLow (fromIntegral <$> ml) + 1
69− h = fromMaybe maxHigh (fromIntegral <$> mh) - 1
70− n <- generate $ \depth -> take depth [l .. h]
71− pure $ fromIntegral n
72−
73−arraySeries
74− :: (Monad m, Serial m (JsonRepr s))
75− => [DemotedArrayConstraint]
76− -> Series m (V.Vector (JsonRepr s))
77−arraySeries cs = do
78− let mvcs = verifyArrayConstraint cs
79− case mvcs of
80− Just vcs -> arraySeries' vcs
81− Nothing -> pure V.empty
82−
83−arraySeries'
84− :: forall m s. (Monad m, Serial m (JsonRepr s))
85− => Maybe VerifiedArrayConstraint
86− -> Series m (V.Vector (JsonRepr s))
87−arraySeries' ml = do
88− objs <- V.replicateM (maybe minRepeat f ml) (series :: Series m (JsonRepr s))
89− pure $ objs
90− where
91− f (VAEq l) = fromIntegral l
src/Data/Schematic/Generator/Regex.hsdeleted−76
@@ -1,76 +0,0 @@
1−module Data.Schematic.Generator.Regex where
2−
3−import Control.Monad
4−import Data.List
5−import Data.Maybe
6−import qualified Data.Set as S
7−import Data.Text (Text, unpack)
8−import Data.Text.Lazy (toStrict)
9−import Data.Text.Lazy.Builder (Builder, singleton, toLazyText)
10−import Test.SmallCheck.Series
11−import Text.Regex.TDFA.Pattern
12−import Text.Regex.TDFA.ReadRegex (parseRegex)
13−
14−
15−minRepeat :: Int
16−minRepeat = 2
17−
18−maxRepeat :: Int
19−maxRepeat = 10
20−
21−regexSeries :: (Monad m) => Text -> Series m Text
22−regexSeries regexp =
23− case parseRegex . unpack $ regexp of
24− Right (p, _) -> toStrict . toLazyText <$> regexSeries' p
25− Left _ -> pure ""
26−
27−regexSeries' :: (Monad m) => Pattern -> Series m Builder
28−regexSeries' pt =
29− case pt of
30− PEmpty -> pure mempty
31− PChar {..} -> pure $ singleton getPatternChar
32− PAny {getPatternSet = PatternSet (Just cset) _ _ _} -> do
33− x <- generate $ \depth -> take depth $ S.toList cset
34− pure $ singleton x
35− PAnyNot {getPatternSet = PatternSet (Just cset) _ _ _} -> do
36− x <-
37− generate $ \depth ->
38− take depth $ notChars $ concatMap expandEscape $ S.toList cset
39− pure $ singleton x
40− PQuest p -> regexSeries' p \/ pure mempty
41− PPlus p -> regexSeries' $ PBound 1 Nothing p
42− PStar _ p -> regexSeries' $ PBound 0 Nothing p
43− PBound low mhigh p -> do
44− let high = fromMaybe (low + maxRepeat) mhigh
45− n <- generate $ \depth -> take depth [low .. high]
46− decDepth $ do
47− ps <- replicateM n $ regexSeries' p
48− pure $ mconcat ps
49− PConcat ps -> mconcat <$> mapM regexSeries' ps
50− POr xs -> regexSeries' =<< (generate $ \depth -> take depth xs)
51− PDot _ -> do
52− x <- generate $ \depth -> take depth $ notChars []
53− pure $ singleton x
54− PEscape {..} -> do
55− x <- generate $ \depth -> take depth $ expandEscape getPatternChar
56− pure $ singleton x
57− PCarat _ -> pure mempty
58− PDollar _ -> pure mempty
59− _ -> pure mempty
60− where
61− notChars = ([' ' .. '~'] \\)
62− expandEscape ch =
63− case ch of
64− 'n' -> "\n"
65− 't' -> "\t"
66− 'r' -> "\r"
67− 'f' -> "\f"
68− 'a' -> "\a"
69− 'e' -> "\ESC"
70− 'd' -> ['0' .. '9']
71− 'w' -> ['0' .. '9'] ++ '_' : ['a' .. 'z'] ++ ['A' .. 'Z']
72− 's' -> "\9\32"
73− 'D' -> notChars $ ['0' .. '9']
74− 'W' -> notChars $ ['0' .. '9'] ++ '_' : ['a' .. 'z'] ++ ['A' .. 'Z']
75− 'S' -> notChars "\9\32"
76− ch' -> [ch']
src/Data/Schematic/Instances.hs−4
@@ -4,7 +4,6 @@
44module Data.Schematic.Instances where
55
66import Data.Scientific
7−import Data.Text (Text, pack)
87import Data.Vector as V
98import Data.Vinyl
109import Test.SmallCheck.Series
@@ -22,6 +21,3 @@ instance Serial m a => Serial m (V.Vector a) where
2221
2322instance Monad m => Serial m Scientific where
2423 series = scientific <$> series <*> series
25−
26−instance Monad m => Serial m Text where
27− series = pack <$> series
src/Data/Schematic/JsonSchema.hs+10−29
@@ -12,10 +12,8 @@ import Control.Monad.State.Strict
1212import Data.Aeson as J
1313import Data.Foldable as F
1414import Data.HashMap.Strict as H
15−import Data.List as L
1615import Data.List.NonEmpty as NE
1716import Data.Schematic.Schema as S
18−import Data.Set as Set
1917import Data.Singletons
2018import Data.Text
2119import Data.Traversable
@@ -30,13 +28,13 @@ textConstraint :: DemotedTextConstraint -> State D4.Schema ()
3028textConstraint (DTEq n) = modify $ \s -> s
3129 { _schemaMinLength = pure $ fromIntegral n
3230 , _schemaMaxLength = pure $ fromIntegral n }
31+textConstraint (DTLt n) = modify $ \s -> s
32+ { _schemaMaxLength = pure . fromIntegral $ n + 1 }
3333textConstraint (DTLe n) = modify $ \s -> s
3434 { _schemaMaxLength = pure . fromIntegral $ n }
35−textConstraint (DTLt n) =
35+textConstraint (DTGt n) =
3636 let n' = if n == 0 then 0 else n - 1
37− in modify $ \s -> s { _schemaMaxLength = pure . fromIntegral $ n' }
38−textConstraint (DTGt n) = modify $ \s -> s
39− { _schemaMinLength = pure . fromIntegral $ n + 1 }
37+ in modify $ \s -> s { _schemaMinLength = pure . fromIntegral $ n' }
4038textConstraint (DTGe n) = modify $ \s -> s
4139 { _schemaMinLength = pure . fromIntegral $ n }
4240textConstraint (DTRegex r) = modify $ \s -> s { _schemaPattern = pure r }
@@ -48,30 +46,18 @@ numberConstraint :: DemotedNumberConstraint -> State D4.Schema ()
4846numberConstraint (DNLe n) = modify $ \s -> s
4947 { _schemaMaximum = pure . fromIntegral $ n }
5048numberConstraint (DNLt n) = modify $ \s -> s
51− { _schemaMaximum = pure . fromIntegral $ n
52− , _schemaExclusiveMaximum = pure True }
49+ { _schemaMaximum = pure . fromIntegral $ n + 1 }
5350numberConstraint (DNGt n) = modify $ \s -> s
54− { _schemaMinimum = pure . fromIntegral $ n
55− , _schemaExclusiveMinimum = pure True }
56−numberConstraint (DNGe n) = modify $ \s -> s
5751 { _schemaMinimum = pure . fromIntegral $ n }
52+numberConstraint (DNGe n) =
53+ let n' = if n == 0 then 0 else n - 1
54+ in modify $ \s -> s { _schemaMinimum = pure . fromIntegral $ n' }
5855numberConstraint (DNEq n) = modify $ \s -> s
5956 { _schemaMinimum = pure $ fromIntegral n
6057 , _schemaMaximum = pure $ fromIntegral n }
6158
6259arrayConstraint :: DemotedArrayConstraint -> State D4.Schema ()
63−arrayConstraint (DALe n) = modify $ \s -> s
64− { _schemaMaxItems = pure . fromIntegral $ n }
65−arrayConstraint (DALt n) =
66− let n' = if n == 0 then 0 else n - 1
67− in modify $ \s -> s { _schemaMaxItems = pure . fromIntegral $ n' }
68−arrayConstraint (DAGt n) = modify $ \s -> s
69− { _schemaMinItems = pure . fromIntegral $ n + 1 }
70−arrayConstraint (DAGe n) = modify $ \s -> s
71− { _schemaMinItems = pure . fromIntegral $ n }
72−arrayConstraint (DAEq n) = modify $ \s -> s
73− { _schemaMinItems = pure $ fromIntegral n
74− , _schemaMaxItems = pure $ fromIntegral n }
60+arrayConstraint (DAEq _) = pure ()
7561
7662toJsonSchema
7763 :: forall proxy schema
@@ -98,19 +84,14 @@ toJsonSchema' = \case
9884 res <- for objs $ \(n,s) -> do
9985 s' <- toJsonSchema' s
10086 pure (n, s')
101− let
102− nonOpt = \case
103− (_, DSchemaOptional _) -> False
104− _ -> True
10587 pure $ emptySchema
10688 { _schemaType = pure $ TypeValidatorString D4.SchemaObject
107− , _schemaRequired = pure $ Set.fromList $ fst <$> L.filter nonOpt objs
10889 , _schemaProperties = pure $ H.fromList res }
10990 DSchemaArray acs sch -> do
11091 res <- toJsonSchema' sch
11192 pure $ execState (traverse_ arrayConstraint acs) $ emptySchema
11293 { _schemaType = pure $ TypeValidatorString D4.SchemaArray
113− , _schemaItems = pure $ ItemsObject res }
94+ , _schemaItems = pure $ ItemsArray [res] }
11495 DSchemaNull -> pure $ emptySchema
11596 { _schemaType = pure $ TypeValidatorString D4.SchemaNull }
11697 DSchemaOptional sch -> do
src/Data/Schematic/Lens.hs+28−46
@@ -10,11 +10,6 @@ module Data.Schematic.Lens
1010 , FSubset(..)
1111 , obj
1212 , arr
13− , uni
14− , txt
15− , num
16− , opt
17− , bln
1813 , textRepr
1914 , numberRepr
2015 , boolRepr
@@ -24,11 +19,11 @@ module Data.Schematic.Lens
2419 ) where
2520
2621import Data.Profunctor
22+import Data.Proxy
2723import Data.Schematic.Schema
2824import Data.Scientific
2925import Data.Singletons
3026import Data.Text
31−import Data.Union
3227import Data.Vector as V
3328import Data.Vinyl
3429import Data.Vinyl.Functor
@@ -41,20 +36,20 @@ type family FIndex (r :: Symbol) (rs :: [(Symbol, Schema)]) :: Nat where
4136 FIndex r ( '(r, s) ': rs) = 'Z
4237 FIndex r ( s ': rs) = 'S (FIndex r rs)
4338
44−type Flens fn f g rs i
45− = Functor g
46− => (f '(fn, (ByField fn rs i)) -> g (f '(fn, (ByField fn rs i))))
47− -> Rec f rs
48− -> g (Rec f rs)
49−
50−type FGetter fn f rs i = Rec f rs -> f '(fn, (ByField fn rs i))
51−
5239class i ~ FIndex fn rs => FElem (fn :: Symbol) (rs :: [(Symbol, Schema)]) (i :: Nat) where
5340 type ByField fn rs i :: Schema
54− flens :: Flens fn f g rs i
41+ flens
42+ :: Functor g
43+ => proxy fn
44+ -> (f '(fn, (ByField fn rs i)) -> g (f '(fn, (ByField fn rs i))))
45+ -> Rec f rs
46+ -> g (Rec f rs)
5547
5648 -- | For Vinyl users who are not using the @lens@ package, we provide a getter.
57− fget :: FGetter fn f rs i
49+ fget
50+ :: proxy fn
51+ -> Rec f rs
52+ -> f '(fn, (ByField fn rs i))
5853
5954 -- | For Vinyl users who are not using the @lens@ package, we also provide a
6055 -- setter. In general, it will be unambiguous what field is being written to,
@@ -67,25 +62,25 @@ class i ~ FIndex fn rs => FElem (fn :: Symbol) (rs :: [(Symbol, Schema)]) (i ::
6762instance FElem fn ('(fn, r) ': rs) 'Z where
6863 type ByField fn ('(fn, r) ': rs) 'Z = r
6964
70− flens f (x :& xs) = fmap (:& xs) (f x)
65+ flens _ f (x :& xs) = fmap (:& xs) (f x)
7166 {-# INLINE flens #-}
7267
73− fget = getConst . flens Const
68+ fget k = getConst . flens k Const
7469 {-# INLINE fget #-}
7570
76− fput y = getIdentity . flens (\_ -> Identity y)
71+ fput y = getIdentity . flens Proxy (\_ -> Identity y)
7772 {-# INLINE fput #-}
7873
7974instance (FIndex r (s ': rs) ~ 'S i, FElem r rs i) => FElem r (s ': rs) ('S i) where
8075 type ByField r (s ': rs) ('S i) = ByField r rs i
8176
82− flens f (x :& xs) = fmap (x :&) (flens f xs)
77+ flens p f (x :& xs) = fmap (x :&) (flens p f xs)
8378 {-# INLINE flens #-}
8479
85− fget = getConst . flens Const
80+ fget k = getConst . flens k Const
8681 {-# INLINE fget #-}
8782
88− fput y = getIdentity . flens (\_ -> Identity y)
83+ fput y = getIdentity . flens Proxy (\_ -> Identity y)
8984 {-# INLINE fput #-}
9085
9186-- This is an internal convenience helpers stolen from the @lens@ library.
@@ -149,59 +144,46 @@ instance
149144 ( ByField fn ss i ~ s
150145 , FElem fn ss i
151146 , FSubset rs ss is) => FSubset ( '(fn,s) ': rs) ss (i ': is) where
152− fsubset = lens (\ss -> fget @fn ss :& fcast ss) set
147+ fsubset = lens (\ss -> fget Proxy ss :& fcast ss) set
153148 where
154149 set :: Rec f ss -> Rec f ( '(fn,s) ': rs) -> Rec f ss
155150 set ss (r :& rs) = fput r $ freplace rs ss
156151
157152-- A bunch of @Iso@morphisms
158153textRepr
159− :: (KnownSymbol fn, SingI cs)
154+ :: (KnownSymbol fn, SingI fn, SingI cs)
160155 => Iso' (FieldRepr '(fn, ('SchemaText cs))) Text
161156textRepr = iso (\(FieldRepr (ReprText t)) -> t) (FieldRepr . ReprText)
162157
163158numberRepr
164− :: (KnownSymbol fn, SingI cs)
159+ :: (KnownSymbol fn, SingI fn, SingI cs)
165160 => Iso' (FieldRepr '(fn, ('SchemaNumber cs))) Scientific
166161numberRepr = iso (\(FieldRepr (ReprNumber n)) -> n) (FieldRepr . ReprNumber)
167162
168163boolRepr
169− :: (KnownSymbol fn)
164+ :: (KnownSymbol fn, SingI fn, SingI cs)
170165 => Iso' (FieldRepr '(fn, 'SchemaBoolean)) Bool
171166boolRepr = iso (\(FieldRepr (ReprBoolean b)) -> b) (FieldRepr . ReprBoolean)
172167
173168arrayRepr
174− :: (KnownSymbol fn, SingI cs, SingI schema)
169+ :: (KnownSymbol fn, SingI fn, SingI cs, SingI schema)
175170 => Iso' (FieldRepr '(fn, ('SchemaArray cs schema))) (V.Vector (JsonRepr schema))
176171arrayRepr = iso (\(FieldRepr (ReprArray a)) -> a) (FieldRepr . ReprArray)
177172
178173objectRepr
179− :: (KnownSymbol fn, SingI fields)
174+ :: (KnownSymbol fn, SingI fn, SingI fields)
180175 => Iso' (FieldRepr '(fn, ('SchemaObject fields))) (Rec FieldRepr fields)
181176objectRepr = iso (\(FieldRepr (ReprObject o)) -> o) (FieldRepr . ReprObject)
182177
183178optionalRepr
184− :: (KnownSymbol fn, SingI schema)
179+ :: (KnownSymbol fn, SingI fn, SingI schema)
185180 => Iso' (FieldRepr '(fn, ('SchemaOptional schema))) (Maybe (JsonRepr schema))
186181optionalRepr = iso (\(FieldRepr (ReprOptional r)) -> r) (FieldRepr . ReprOptional)
187182
188−obj :: Iso' (JsonRepr ('SchemaObject fields)) (Rec FieldRepr fields)
183+obj :: (SingI fields) => Iso' (JsonRepr ('SchemaObject fields)) (Rec FieldRepr fields)
189184obj = iso (\(ReprObject r) -> r) ReprObject
190185
191−arr :: Iso' (JsonRepr ('SchemaArray cs schema)) (V.Vector (JsonRepr schema))
186+arr
187+ :: (SingI schema)
188+ => Iso' (JsonRepr ('SchemaArray cs schema)) (V.Vector (JsonRepr schema))
192189arr = iso (\(ReprArray r) -> r) ReprArray
193−
194−uni :: Iso' (JsonRepr ('SchemaUnion (h ': tl))) (Union JsonRepr (h ': tl))
195−uni = iso (\(ReprUnion u) -> u) ReprUnion
196−
197−txt :: Iso' (JsonRepr ('SchemaText cs)) Text
198−txt = iso (\(ReprText t) -> t) ReprText
199−
200−num :: Iso' (JsonRepr ('SchemaNumber cs)) Scientific
201−num = iso (\(ReprNumber t) -> t) ReprNumber
202−
203−bln :: Iso' (JsonRepr 'SchemaBoolean) Bool
204−bln = iso (\(ReprBoolean b) -> b) ReprBoolean
205−
206−opt :: Iso' (JsonRepr ('SchemaOptional schema)) (Maybe (JsonRepr schema))
207−opt = iso (\(ReprOptional o) -> o) ReprOptional
src/Data/Schematic/Migration.hs+6−14
@@ -1,6 +1,5 @@
11{-# LANGUAGE AllowAmbiguousTypes #-}
2−{-# LANGUAGE CPP #-}
3−{-# LANGUAGE TemplateHaskell #-}
2+{-# LANGUAGE TemplateHaskell #-}
43
54module Data.Schematic.Migration where
65
@@ -8,10 +7,10 @@ import Data.Kind
87import Data.Schematic.DSL
98import Data.Schematic.Lens
109import Data.Schematic.Path
10+import Data.Tagged
1111import Data.Schematic.Schema
12−import Data.Singletons.Prelude hiding ((:.), All)
12+import Data.Singletons.Prelude hiding (All, (:.))
1313import Data.Singletons.TypeLits
14−import Data.Tagged
1514import Data.Vinyl
1615import Data.Vinyl.Functor
1716
@@ -43,8 +42,8 @@ type family SchemaByKey (fs :: [(Symbol, Schema)]) (s :: Symbol) :: Schema where
4342 SchemaByKey ( '(a, s) ': tl) fn = SchemaByKey tl fn
4443
4544type family DeleteKey (acc :: [(Symbol, Schema)]) (fn :: Symbol) (fs :: [(Symbol, Schema)]) :: [(Symbol, Schema)] where
46− DeleteKey acc fn ('(fn, a) ': tl) = acc ++ tl
47− DeleteKey acc fn (fna ': tl) = acc ++ (fna ': tl)
45+ DeleteKey acc fn ('(fn, a) ': tl) = acc :++ tl
46+ DeleteKey acc fn (fna ': tl) = acc :++ (fna ': tl)
4847
4948type family UpdateKey
5049 (fn :: Symbol)
@@ -147,7 +146,7 @@ data instance Sing (v :: Versioned) where
147146
148147type DataMigration s m h = Tagged s (JsonRepr h -> m (JsonRepr s))
149148
150−data MList :: (Type -> Type) -> [Schema] -> Type where
149+data MList :: (* -> *) -> [Schema] -> Type where
151150 MNil :: (Monad m, SingI s, TopLevel s) => MList m '[s]
152151 (:&&)
153152 :: (TopLevel s, SingI s)
@@ -157,17 +156,10 @@ data MList :: (Type -> Type) -> [Schema] -> Type where
157156
158157infixr 7 :&&
159158
160−#if MIN_VERSION_base(4,12,0)
161−migrateObject
162− :: forall m fs fh. (FSubset fs fs (FImage fs fs), Monad m, RMap fh, RMap fs)
163− => (Rec (Tagged fs :. FieldRepr) fh -> m (Rec (Tagged fs :. FieldRepr) fs))
164− -> Tagged ('SchemaObject fs) (JsonRepr ('SchemaObject fh) -> m (JsonRepr ('SchemaObject fs)))
165−#else
166159migrateObject
167160 :: forall m fs fh. (FSubset fs fs (FImage fs fs), Monad m)
168161 => (Rec (Tagged fs :. FieldRepr) fh -> m (Rec (Tagged fs :. FieldRepr) fs))
169162 -> Tagged ('SchemaObject fs) (JsonRepr ('SchemaObject fh) -> m (JsonRepr ('SchemaObject fs)))
170−#endif
171163migrateObject f = Tagged $ \(ReprObject r) -> do
172164 res <- f $ rmap (Compose . Tagged) r
173165 pure $ withRepr @('SchemaObject fs) res
src/Data/Schematic/Path.hs+6−4
@@ -1,6 +1,8 @@
11module Data.Schematic.Path where
22
33import Data.Foldable as F
4+import Data.Monoid
5+import Data.Singletons
46import Data.Singletons.Prelude
57import Data.Singletons.TypeLits
68import Data.Text as T
@@ -24,10 +26,10 @@ demotePath = go []
2426 where
2527 go :: [DemotedPathSegment] -> Sing (ps :: [PathSegment]) -> [DemotedPathSegment]
2628 go acc SNil = acc
27− go acc (SCons p ps) = go (acc ++ [demotePathSeg p]) ps
28− demotePathSeg :: Sing (ps :: PathSegment) -> DemotedPathSegment
29− demotePathSeg (SKey s) = DKey $ T.pack $ withKnownSymbol s $ symbolVal s
30− demotePathSeg (SIx n) = DIx $ withKnownNat n $ fromIntegral $ natVal n
29+ go acc (SCons p ps) = go (acc ++ [demote p]) ps
30+ demote :: Sing (ps :: PathSegment) -> DemotedPathSegment
31+ demote (SKey s) = DKey $ T.pack $ withKnownSymbol s $ symbolVal s
32+ demote (SIx n) = DIx $ withKnownNat n $ natVal n
3133
3234demotedPathToText :: [DemotedPathSegment] -> JSONPath
3335demotedPathToText = JSONPath . F.foldl' renderPathSegment ""
src/Data/Schematic/Schema.hs+137−181
@@ -1,7 +1,6 @@
11{-# LANGUAGE AllowAmbiguousTypes #-}
2−{-# LANGUAGE CPP #-}
3−{-# LANGUAGE OverloadedLists #-}
4−{-# LANGUAGE OverloadedStrings #-}
2+{-# LANGUAGE OverloadedLists #-}
3+{-# LANGUAGE OverloadedStrings #-}
54{-# OPTIONS_GHC -fprint-explicit-kinds #-}
65
76module Data.Schematic.Schema where
@@ -10,10 +9,10 @@ import Control.Applicative ((<|>))
109import Control.Monad
1110import Data.Aeson as J
1211import Data.Aeson.Types as J
12+import Data.Coerce
1313import Data.HashMap.Strict as H
1414import Data.Kind
1515import Data.Maybe
16−import Data.Schematic.Generator
1716import Data.Schematic.Instances ()
1817import Data.Scientific
1918import Data.Singletons.Prelude.List hiding (All, Union)
@@ -26,8 +25,7 @@ import Data.Vinyl hiding (Dict)
2625import qualified Data.Vinyl.TypeLevel as V
2726import GHC.Exts
2827import GHC.Generics (Generic)
29−import GHC.TypeLits
30− (SomeNat(..), SomeSymbol(..), someNatVal, someSymbolVal)
28+import GHC.TypeLits (SomeNat(..), SomeSymbol(..), someSymbolVal, someNatVal)
3129import Prelude as P
3230import Test.SmallCheck.Series
3331
@@ -51,33 +49,33 @@ data TextConstraint
5149instance SingKind TextConstraint where
5250 type Demote TextConstraint = DemotedTextConstraint
5351 fromSing = \case
54− STEq n -> withKnownNat n (DTEq . fromIntegral $ natVal n)
55− STLt n -> withKnownNat n (DTLt . fromIntegral $ natVal n)
56− STLe n -> withKnownNat n (DTLe . fromIntegral $ natVal n)
57− STGt n -> withKnownNat n (DTGt . fromIntegral $ natVal n)
58− STGe n -> withKnownNat n (DTGe . fromIntegral $ natVal n)
52+ STEq n -> withKnownNat n (DTEq $ natVal n)
53+ STLt n -> withKnownNat n (DTLt $ natVal n)
54+ STLe n -> withKnownNat n (DTLe $ natVal n)
55+ STGt n -> withKnownNat n (DTGt $ natVal n)
56+ STGe n -> withKnownNat n (DTGe $ natVal n)
5957 STRegex s -> withKnownSymbol s (DTRegex $ T.pack $ symbolVal s)
6058 STEnum s -> let
6159 d :: Sing (s :: [Symbol]) -> [Text]
62− d SNil = []
60+ d SNil = []
6361 d (SCons ss@SSym fs) = T.pack (symbolVal ss) : d fs
6462 in DTEnum $ d s
6563 toSing = \case
6664 DTEq n -> case someNatVal n of
6765 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STEq (SNat :: Sing n))
68− Nothing -> error "Negative singleton nat"
66+ Nothing -> error "Negative singleton nat"
6967 DTLt n -> case someNatVal n of
7068 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STLt (SNat :: Sing n))
71− Nothing -> error "Negative singleton nat"
69+ Nothing -> error "Negative singleton nat"
7270 DTLe n -> case someNatVal n of
7371 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STLe (SNat :: Sing n))
74− Nothing -> error "Negative singleton nat"
72+ Nothing -> error "Negative singleton nat"
7573 DTGt n -> case someNatVal n of
7674 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STGt (SNat :: Sing n))
77− Nothing -> error "Negative singleton nat"
75+ Nothing -> error "Negative singleton nat"
7876 DTGe n -> case someNatVal n of
7977 Just (SomeNat (_ :: Proxy n)) -> SomeSing (STGe (SNat :: Sing n))
80− Nothing -> error "Negative singleton nat"
78+ Nothing -> error "Negative singleton nat"
8179 DTRegex s -> case someSymbolVal (T.unpack s) of
8280 SomeSymbol (_ :: Proxy n) -> SomeSing (STRegex (SSym :: Sing n))
8381 DTEnum ss -> case toSing ss of
@@ -91,7 +89,7 @@ data DemotedTextConstraint
9189 | DTGe Integer
9290 | DTRegex Text
9391 | DTEnum [Text]
94− deriving (Generic, Eq, Show)
92+ deriving (Generic)
9593
9694data instance Sing (tc :: TextConstraint) where
9795 STEq :: Sing n -> Sing ('TEq n)
@@ -132,7 +130,7 @@ data DemotedNumberConstraint
132130 | DNGt Integer
133131 | DNGe Integer
134132 | DNEq Integer
135− deriving (Generic, Eq, Show)
133+ deriving (Generic)
136134
137135data instance Sing (nc :: NumberConstraint) where
138136 SNEq :: Sing n -> Sing ('NEq n)
@@ -156,87 +154,51 @@ instance Eq (Sing ('NGe n)) where _ == _ = True
156154instance SingKind NumberConstraint where
157155 type Demote NumberConstraint = DemotedNumberConstraint
158156 fromSing = \case
159− SNEq n -> withKnownNat n (DNEq . fromIntegral $ natVal n)
160− SNGt n -> withKnownNat n (DNGt . fromIntegral $ natVal n)
161− SNGe n -> withKnownNat n (DNGe . fromIntegral $ natVal n)
162− SNLt n -> withKnownNat n (DNLt . fromIntegral $ natVal n)
163− SNLe n -> withKnownNat n (DNLe . fromIntegral $ natVal n)
157+ SNEq n -> withKnownNat n (DNEq $ natVal n)
158+ SNGt n -> withKnownNat n (DNGt $ natVal n)
159+ SNGe n -> withKnownNat n (DNGe $ natVal n)
160+ SNLt n -> withKnownNat n (DNLt $ natVal n)
161+ SNLe n -> withKnownNat n (DNLe $ natVal n)
164162 toSing = \case
165163 DNEq n -> case someNatVal n of
166164 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNEq (SNat :: Sing n))
167− Nothing -> error "Negative singleton nat"
165+ Nothing -> error "Negative singleton nat"
168166 DNGt n -> case someNatVal n of
169167 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNGt (SNat :: Sing n))
170− Nothing -> error "Negative singleton nat"
168+ Nothing -> error "Negative singleton nat"
171169 DNGe n -> case someNatVal n of
172170 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNGe (SNat :: Sing n))
173− Nothing -> error "Negative singleton nat"
171+ Nothing -> error "Negative singleton nat"
174172 DNLt n -> case someNatVal n of
175173 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNLt (SNat :: Sing n))
176− Nothing -> error "Negative singleton nat"
174+ Nothing -> error "Negative singleton nat"
177175 DNLe n -> case someNatVal n of
178176 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SNLe (SNat :: Sing n))
179− Nothing -> error "Negative singleton nat"
177+ Nothing -> error "Negative singleton nat"
180178
181179data ArrayConstraint
182180 = AEq Nat
183− | AGt Nat
184− | AGe Nat
185− | ALt Nat
186− | ALe Nat
187181 deriving (Generic)
188182
189183data DemotedArrayConstraint
190184 = DAEq Integer
191− | DAGt Integer
192− | DAGe Integer
193− | DALt Integer
194− | DALe Integer
195− deriving (Generic, Eq, Show)
185+ deriving (Generic)
196186
197187data instance Sing (ac :: ArrayConstraint) where
198188 SAEq :: Sing n -> Sing ('AEq n)
199− SAGt :: Sing n -> Sing ('AGt n)
200− SAGe :: Sing n -> Sing ('AGe n)
201− SALt :: Sing n -> Sing ('ALt n)
202− SALe :: Sing n -> Sing ('ALe n)
203189
204190instance KnownNat n => SingI ('AEq n) where sing = SAEq sing
205−instance KnownNat n => SingI ('AGt n) where sing = SAGt sing
206−instance KnownNat n => SingI ('AGe n) where sing = SAGe sing
207−instance KnownNat n => SingI ('ALt n) where sing = SALt sing
208−instance KnownNat n => SingI ('ALe n) where sing = SALe sing
209191
210192instance Eq (Sing ('AEq n)) where _ == _ = True
211−instance Eq (Sing ('AGt n)) where _ == _ = True
212−instance Eq (Sing ('AGe n)) where _ == _ = True
213−instance Eq (Sing ('ALt n)) where _ == _ = True
214−instance Eq (Sing ('ALe n)) where _ == _ = True
215193
216194instance SingKind ArrayConstraint where
217195 type Demote ArrayConstraint = DemotedArrayConstraint
218196 fromSing = \case
219− SAEq n -> withKnownNat n (DAEq . fromIntegral $ natVal n)
220− SAGt n -> withKnownNat n (DAGt . fromIntegral $ natVal n)
221− SAGe n -> withKnownNat n (DAGe . fromIntegral $ natVal n)
222− SALt n -> withKnownNat n (DALt . fromIntegral $ natVal n)
223− SALe n -> withKnownNat n (DALe . fromIntegral $ natVal n)
197+ SAEq n -> withKnownNat n (DAEq $ natVal n)
224198 toSing = \case
225199 DAEq n -> case someNatVal n of
226200 Just (SomeNat (_ :: Proxy n)) -> SomeSing (SAEq (SNat :: Sing n))
227− Nothing -> error "Negative singleton nat"
228− DAGt n -> case someNatVal n of
229− Just (SomeNat (_ :: Proxy n)) -> SomeSing (SAGt (SNat :: Sing n))
230− Nothing -> error "Negative singleton nat"
231− DAGe n -> case someNatVal n of
232− Just (SomeNat (_ :: Proxy n)) -> SomeSing (SAGe (SNat :: Sing n))
233− Nothing -> error "Negative singleton nat"
234− DALt n -> case someNatVal n of
235− Just (SomeNat (_ :: Proxy n)) -> SomeSing (SALt (SNat :: Sing n))
236− Nothing -> error "Negative singleton nat"
237− DALe n -> case someNatVal n of
238− Just (SomeNat (_ :: Proxy n)) -> SomeSing (SALe (SNat :: Sing n))
239− Nothing -> error "Negative singleton nat"
201+ Nothing -> error "Negative singleton nat"
240202
241203data Schema
242204 = SchemaText [TextConstraint]
@@ -258,7 +220,7 @@ data DemotedSchema
258220 | DSchemaNull
259221 | DSchemaOptional DemotedSchema
260222 | DSchemaUnion [DemotedSchema]
261− deriving (Generic, Eq, Show)
223+ deriving (Generic)
262224
263225data instance Sing (schema :: Schema) where
264226 SSchemaText :: Sing tcs -> Sing ('SchemaText tcs)
@@ -363,128 +325,122 @@ type family USubsets (u :: [k]) :: Constraint where
363325 USubsets '[] = ()
364326 USubsets (h ': tl) = (USubset tl (h ': tl) (V.RImage tl (h ': tl)), USubsets tl)
365327
366−data JsonRepr :: Schema -> Type where
367− ReprText :: Text -> JsonRepr ('SchemaText cs)
368− ReprNumber :: Scientific -> JsonRepr ('SchemaNumber cs)
369− ReprBoolean :: Bool -> JsonRepr 'SchemaBoolean
370− ReprNull :: JsonRepr 'SchemaNull
371− ReprArray :: V.Vector (JsonRepr s) -> JsonRepr ('SchemaArray cs s)
372− ReprObject :: Rec FieldRepr fs -> JsonRepr ('SchemaObject fs)
373− ReprOptional :: Maybe (JsonRepr s) -> JsonRepr ('SchemaOptional s)
374− ReprUnion :: Union JsonRepr (h ': tl) -> JsonRepr ('SchemaUnion (h ': tl))
375−
376−instance (Monad m, Serial m Text, SingI cs)
377− => Serial m (JsonRepr ('SchemaText cs)) where
378− series = decDepth $ fmap ReprText $ textSeries $ fromSing (sing :: Sing cs)
379−
380−instance (Monad m, Serial m Scientific, SingI cs)
381− => Serial m (JsonRepr ('SchemaNumber cs)) where
382− series = decDepth $ fmap ReprNumber
383− $ numberSeries $ fromSing (sing :: Sing cs)
384−
385−instance Monad m => Serial m (JsonRepr 'SchemaNull) where
386− series = cons0 ReprNull
387−
388−instance (Serial m (JsonRepr s), Serial m (V.Vector (JsonRepr s)), SingI cs)
389− => Serial m (JsonRepr ('SchemaArray cs s)) where
390− series = decDepth $ fmap ReprArray
391− $ arraySeries $ fromSing (sing :: Sing cs)
392−
393−instance (Serial m (JsonRepr s))
394− => Serial m (JsonRepr ('SchemaOptional s)) where
395− series = cons1 ReprOptional
396−
397−instance (Monad m, Serial m (Rec FieldRepr fs))
398− => Serial m (JsonRepr ('SchemaObject fs)) where
399− series = cons1 ReprObject
328+class JsonRepresentable (schema :: Schema) where
329+ type ReprType schema :: *
330+ data JsonRepr schema :: *
331+ wrap :: ReprType schema -> JsonRepr schema
332+
333+instance JsonRepresentable ('SchemaText cs) where
334+ type ReprType ('SchemaText cs) = Text
335+ newtype JsonRepr ('SchemaText cs) = ReprText (ReprType ('SchemaText cs))
336+ wrap = ReprText
337+
338+instance JsonRepresentable ('SchemaNumber cs) where
339+ type ReprType ('SchemaNumber cs) = Scientific
340+ newtype JsonRepr ('SchemaNumber cs) = ReprNumber (ReprType ('SchemaNumber cs))
341+ wrap = ReprNumber
342+
343+instance JsonRepresentable 'SchemaBoolean where
344+ type ReprType 'SchemaBoolean = Bool
345+ newtype JsonRepr 'SchemaBoolean = ReprBoolean (ReprType 'SchemaBoolean)
346+ wrap = ReprBoolean
347+
348+instance JsonRepresentable 'SchemaNull where
349+ type ReprType 'SchemaNull = ()
350+ newtype JsonRepr 'SchemaNull = ReprNull (ReprType 'SchemaNull)
351+ wrap = ReprNull
352+
353+instance JsonRepresentable s => JsonRepresentable ('SchemaArray cs s) where
354+ type ReprType ('SchemaArray cs s) = V.Vector (JsonRepr s)
355+ newtype JsonRepr ('SchemaArray cs s) = ReprArray (ReprType ('SchemaArray cs s))
356+ wrap = ReprArray
357+
358+instance JsonRepresentable ('SchemaObject fs) where
359+ type ReprType ('SchemaObject fs) = Rec FieldRepr fs
360+ newtype JsonRepr ('SchemaObject fs) = ReprObject (ReprType ('SchemaObject fs))
361+ wrap = ReprObject
362+
363+instance JsonRepresentable s => JsonRepresentable ('SchemaOptional s) where
364+ type ReprType ('SchemaOptional s) = Maybe (JsonRepr s)
365+ newtype JsonRepr ('SchemaOptional s) = ReprOptional (ReprType ('SchemaOptional s))
366+ wrap = ReprOptional
367+
368+instance JsonRepresentable ('SchemaUnion (h ': tl)) where
369+ type ReprType ('SchemaUnion (h ': tl)) = Union JsonRepr (h ': tl)
370+ newtype JsonRepr ('SchemaUnion (h ': tl)) = ReprUnion (ReprType ('SchemaUnion (h ': tl)))
371+ wrap = ReprUnion
372+
373+-- data JsonRepr :: Schema -> Type where
374+-- ReprText :: Text -> JsonRepr ('SchemaText cs)
375+-- ReprNumber :: Scientific -> JsonRepr ('SchemaNumber cs)
376+-- ReprBoolean :: Bool -> JsonRepr 'SchemaBoolean
377+-- ReprNull :: JsonRepr 'SchemaNull
378+-- ReprArray :: V.Vector (JsonRepr s) -> JsonRepr ('SchemaArray cs s)
379+-- ReprObject :: Rec FieldRepr fs -> JsonRepr ('SchemaObject fs)
380+-- ReprOptional :: Maybe (JsonRepr s) -> JsonRepr ('SchemaOptional s)
381+-- ReprUnion :: Union JsonRepr (h ': tl) -> JsonRepr ('SchemaUnion (h ': tl))
400382
401383-- | Move to the union package
402−instance Show (JsonRepr ('SchemaText cs)) where
403− show (ReprText t) = "ReprText " P.++ show t
404−
405−instance Show (JsonRepr ('SchemaNumber cs)) where
406− show (ReprNumber n) = "ReprNumber " P.++ show n
407−
408−instance Show (JsonRepr 'SchemaBoolean) where
409− show (ReprBoolean n) = "ReprBoolean " P.++ show n
410−
411−instance Show (JsonRepr 'SchemaNull) where show _ = "ReprNull"
412−
413−instance Show (JsonRepr s) => Show (JsonRepr ('SchemaArray acs s)) where
414− show (ReprArray v) = "ReprArray " P.++ show v
415−
416−#if MIN_VERSION_base(4,12,0)
417−instance
418− ( V.RecAll FieldRepr fs Show, RMap fs, ReifyConstraint Show FieldRepr fs
419− , RecordToList fs )
420− => Show (JsonRepr ('SchemaObject fs)) where
421− show (ReprObject fs) = "ReprObject " P.++ show fs
422−#else
423−instance V.RecAll FieldRepr fs Show => Show (JsonRepr ('SchemaObject fs)) where
424− show (ReprObject fs) = "ReprObject " P.++ show fs
425−#endif
426−
427−instance Show (JsonRepr s) => Show (JsonRepr ('SchemaOptional s)) where
428− show (ReprOptional s) = "ReprOptional " P.++ show s
384+-- instance Show (JsonRepr ('SchemaText cs)) where
385+-- show (ReprText t) = "ReprText " P.++ show t
429386
430−instance Show (Union JsonRepr (h ': tl))
431− => Show (JsonRepr ('SchemaUnion (h ': tl))) where
432− show (ReprUnion s) = "ReprUnion " P.++ show s
387+-- instance Show (JsonRepr ('SchemaNumber cs)) where
388+-- show (ReprNumber n) = "ReprNumber " P.++ show n
433389
434−instance Eq (Rec FieldRepr fs) => Eq (JsonRepr ('SchemaObject fs)) where
435− ReprObject a == ReprObject b = a == b
390+-- instance Show (JsonRepr 'SchemaNull) where show _ = "ReprNull"
436391
437−instance Eq (JsonRepr ('SchemaText cs)) where
438− ReprText a == ReprText b = a == b
392+-- instance Show (JsonRepr s) => Show (JsonRepr ('SchemaArray acs s)) where
393+-- show (ReprArray v) = "ReprArray " P.++ show v
439394
440−instance Eq (JsonRepr ('SchemaNumber cs)) where
441− ReprNumber a == ReprNumber b = a == b
395+-- instance V.RecAll FieldRepr fs Show => Show (JsonRepr ('SchemaObject fs)) where
396+-- show (ReprObject fs) = "ReprObject " P.++ show fs
442397
443−instance Eq (JsonRepr 'SchemaBoolean) where
444− ReprBoolean a == ReprBoolean b = a == b
398+-- instance Show (JsonRepr s) => Show (JsonRepr ('SchemaOptional s)) where
399+-- show (ReprOptional s) = "ReprOptional " P.++ show s
445400
446−instance Eq (JsonRepr 'SchemaNull) where
447− ReprNull == ReprNull = True
401+-- instance (Monad m, Serial m Text)
402+-- => Serial m (JsonRepr ('SchemaText cs)) where
403+-- series = cons1 ReprText
448404
449−instance Eq (JsonRepr s) => Eq (JsonRepr ('SchemaArray as s)) where
450− ReprArray a == ReprArray b = a == b
405+-- instance (Monad m, Serial m Scientific)
406+-- => Serial m (JsonRepr ('SchemaNumber cs)) where
407+-- series = cons1 ReprNumber
451408
452−instance Eq (JsonRepr s) => Eq (JsonRepr ('SchemaOptional s)) where
453− ReprOptional a == ReprOptional b = a == b
409+-- instance Monad m => Serial m (JsonRepr 'SchemaNull) where
410+-- series = cons0 ReprNull
454411
455−instance Eq (Union JsonRepr (h ': tl))
456− => Eq (JsonRepr ('SchemaUnion (h ': tl))) where
457− ReprUnion a == ReprUnion b = a == b
412+-- instance (Serial m (V.Vector (JsonRepr s)))
413+-- => Serial m (JsonRepr ('SchemaArray cs s)) where
414+-- series = cons1 ReprArray
458415
459−instance Ord (Rec FieldRepr fs) => Ord (JsonRepr ('SchemaObject fs)) where
460− ReprObject a `compare` ReprObject b = a `compare` b
416+-- instance (Serial m (JsonRepr s))
417+-- => Serial m (JsonRepr ('SchemaOptional s)) where
418+-- series = cons1 ReprOptional
461419
462−instance Ord (JsonRepr ('SchemaText cs)) where
463− ReprText a `compare` ReprText b = a `compare` b
420+-- instance (Monad m, Serial m (Rec FieldRepr fs))
421+-- => Serial m (JsonRepr ('SchemaObject fs)) where
422+-- series = cons1 ReprObject
464423
465−instance Ord (JsonRepr ('SchemaNumber cs)) where
466− ReprNumber a `compare` ReprNumber b = a `compare` b
424+-- instance Eq (Rec FieldRepr fs) => Eq (JsonRepr ('SchemaObject fs)) where
425+-- ReprObject a == ReprObject b = a == b
467426
468−instance Ord (JsonRepr 'SchemaBoolean) where
469− ReprBoolean a `compare` ReprBoolean b = a `compare` b
427+-- instance Eq (JsonRepr ('SchemaText cs))
470428
471−instance Ord (JsonRepr 'SchemaNull) where
472− compare _ _ = EQ
429+-- instance Eq (JsonRepr ('SchemaNumber cs))
473430
474−instance Ord (JsonRepr s) => Ord (JsonRepr ('SchemaArray as s)) where
475− ReprArray a `compare` ReprArray b = a `compare` b
431+-- instance Eq (JsonRepr 'SchemaNull) where
432+-- ReprNull == ReprNull = True
476433
477−instance Ord (JsonRepr s) => Ord (JsonRepr ('SchemaOptional s)) where
478− ReprOptional a `compare` ReprOptional b = a `compare` b
434+-- instance Eq (JsonRepr s) => Eq (JsonRepr ('SchemaArray as s)) where
435+-- ReprArray a == ReprArray b = a == b
479436
480−instance Ord (Union JsonRepr (h ': tl))
481− => Ord (JsonRepr ('SchemaUnion (h ': tl))) where
482− ReprUnion a `compare` ReprUnion b = a `compare` b
437+-- instance Eq (JsonRepr s) => Eq (JsonRepr ('SchemaOptional s)) where
438+-- ReprOptional a == ReprOptional b = a == b
483439
484440instance IsList (JsonRepr ('SchemaArray cs s)) where
485441 type Item (JsonRepr ('SchemaArray cs s)) = JsonRepr s
486− fromList = ReprArray . GHC.Exts.fromList
487− toList (ReprArray v) = GHC.Exts.toList v
442+ fromList = GHC.Exts.fromList
443+ toList v = GHC.Exts.toList v
488444
489445instance Num (JsonRepr ('SchemaNumber cs)) where
490446 ReprNumber a + ReprNumber b = ReprNumber $ a + b
@@ -495,7 +451,7 @@ instance Num (JsonRepr ('SchemaNumber cs)) where
495451 fromInteger = ReprNumber . fromIntegral
496452
497453instance IsString (JsonRepr ('SchemaText cs)) where
498− fromString = ReprText . fromString
454+ fromString = fromString
499455
500456fromOptional
501457 :: SingI s
@@ -528,7 +484,7 @@ instance SingI schema => J.FromJSON (JsonRepr schema) where
528484 SSchemaNumber _ -> withScientific "Number" (pure . ReprNumber) value
529485 SSchemaBoolean -> ReprBoolean <$> parseJSON value
530486 SSchemaNull -> case value of
531− J.Null -> pure ReprNull
487+ J.Null -> pure (wrap ())
532488 _ -> typeMismatch "Null" value
533489 so@(SSchemaOptional s) -> withSingI s $ ReprOptional <$> fromOptional so value
534490 SSchemaArray sa sb -> withSingI sa $ withSingI sb
@@ -542,37 +498,37 @@ instance SingI schema => J.FromJSON (JsonRepr schema) where
542498 fieldRepr <- case s of
543499 SSchemaText so -> case H.lookup fieldName h of
544500 Just v -> withSingI so $ FieldRepr <$> parseJSON v
545− Nothing -> fail $ "No text field: " P.++ show fieldName
501+ Nothing -> fail "schematext"
546502 SSchemaNumber so -> case H.lookup fieldName h of
547503 Just v -> withSingI so $ FieldRepr <$> parseJSON v
548− Nothing -> fail $ "No number field: " P.++ show fieldName
504+ Nothing -> fail "schemanumber"
549505 SSchemaBoolean -> case H.lookup fieldName h of
550506 Just v -> FieldRepr <$> parseJSON v
551− Nothing -> fail $ "No boolean field: " P.++ show fieldName
507+ Nothing -> fail "schemaboolean"
552508 SSchemaNull -> case H.lookup fieldName h of
553509 Just v -> FieldRepr <$> parseJSON v
554− Nothing -> fail $ "No null field: " P.++ show fieldName
510+ Nothing -> fail "schemanull"
555511 SSchemaArray sa sb -> case H.lookup fieldName h of
556512 Just v -> withSingI sa $ withSingI sb $ FieldRepr <$> parseJSON v
557− Nothing -> fail $ "No array field: " P.++ show fieldName
513+ Nothing -> fail "schemaarray"
558514 SSchemaObject so -> case H.lookup fieldName h of
559515 Just v -> withSingI so $ FieldRepr <$> parseJSON v
560− Nothing -> fail $ "No object field" P.++ show fieldName
516+ Nothing -> fail "schemaobject"
561517 SSchemaOptional so -> case H.lookup fieldName h of
562518 Just v -> withSingI so $ FieldRepr <$> parseJSON v
563− Nothing -> withSingI so $ pure $ FieldRepr $ ReprOptional Nothing
519+ Nothing -> fail "schemaoptional"
564520 SSchemaUnion ss -> withSingI ss $ FieldRepr <$> parseUnion ss value
565521 (fieldRepr :&) <$> demoteFields tl h
566522 ReprObject <$> withObject "Object" (demoteFields fs) value
567523 SSchemaUnion ss -> parseUnion ss value
568524
569−instance J.ToJSON (JsonRepr a) where
570− toJSON ReprNull = J.Null
525+instance J.ToJSON (JsonRepr schema) where
526+ toJSON (ReprNull _) = J.Null
571527 toJSON (ReprBoolean b) = J.Bool b
572528 toJSON (ReprText t) = J.String t
573529 toJSON (ReprNumber n) = J.Number n
574530 toJSON (ReprOptional s) = case s of
575− Just v -> toJSON v
531+ Just v -> toJSON v
576532 Nothing -> J.Null
577533 toJSON (ReprArray v) = J.Array $ toJSON <$> v
578534 toJSON (ReprObject r) = J.Object . H.fromList . fold $ r
src/Data/Schematic/Schema.hs-bootdeleted−95
@@ -1,95 +0,0 @@
1−module Data.Schematic.Schema where
2−
3−import Data.Kind
4−import Data.Maybe
5−import Data.Schematic.Instances ()
6−import Data.Scientific
7−import Data.Singletons.TH
8−import Data.Singletons.TypeLits
9−import Data.Text as T
10−import Data.Union
11−import Data.Vector as V
12−import Data.Vinyl hiding (Dict)
13−import Prelude as P
14−
15−data TextConstraint
16− = TEq Nat
17− | TLt Nat
18− | TLe Nat
19− | TGt Nat
20− | TGe Nat
21− | TRegex Symbol
22− | TEnum [Symbol]
23−
24−data DemotedTextConstraint
25− = DTEq Integer
26− | DTLt Integer
27− | DTLe Integer
28− | DTGt Integer
29− | DTGe Integer
30− | DTRegex Text
31− | DTEnum [Text]
32−
33−data NumberConstraint
34− = NLe Nat
35− | NLt Nat
36− | NGt Nat
37− | NGe Nat
38− | NEq Nat
39−
40−data DemotedNumberConstraint
41− = DNLe Integer
42− | DNLt Integer
43− | DNGt Integer
44− | DNGe Integer
45− | DNEq Integer
46−
47−data ArrayConstraint
48− = AEq Nat
49− | AGt Nat
50− | AGe Nat
51− | ALt Nat
52− | ALe Nat
53−
54−data DemotedArrayConstraint
55− = DAEq Integer
56− | DAGt Integer
57− | DAGe Integer
58− | DALt Integer
59− | DALe Integer
60−
61−data Schema
62− = SchemaText [TextConstraint]
63− | SchemaBoolean
64− | SchemaNumber [NumberConstraint]
65− | SchemaObject [(Symbol, Schema)]
66− | SchemaArray [ArrayConstraint] Schema
67− | SchemaNull
68− | SchemaOptional Schema
69− | SchemaUnion [Schema]
70−
71−data DemotedSchema
72− = DSchemaText [DemotedTextConstraint]
73− | DSchemaNumber [DemotedNumberConstraint]
74− | DSchemaBoolean
75− | DSchemaObject [(Text, DemotedSchema)]
76− | DSchemaArray [DemotedArrayConstraint] DemotedSchema
77− | DSchemaNull
78− | DSchemaOptional DemotedSchema
79− | DSchemaUnion [DemotedSchema]
80−
81−data FieldRepr :: (Symbol, Schema) -> Type where
82− FieldRepr
83− :: (SingI schema, KnownSymbol name)
84− => JsonRepr schema
85− -> FieldRepr '(name, schema)
86−
87−data JsonRepr :: Schema -> Type where
88− ReprText :: Text -> JsonRepr ('SchemaText cs)
89− ReprNumber :: Scientific -> JsonRepr ('SchemaNumber cs)
90− ReprBoolean :: Bool -> JsonRepr 'SchemaBoolean
91− ReprNull :: JsonRepr 'SchemaNull
92− ReprArray :: V.Vector (JsonRepr s) -> JsonRepr ('SchemaArray cs s)
93− ReprObject :: Rec FieldRepr fs -> JsonRepr ('SchemaObject fs)
94− ReprOptional :: Maybe (JsonRepr s) -> JsonRepr ('SchemaOptional s)
95− ReprUnion :: Union JsonRepr (h ': tl) -> JsonRepr ('SchemaUnion (h ': tl))
src/Data/Schematic/Validation.hs+19−76
@@ -2,8 +2,6 @@ module Data.Schematic.Validation where
22
33import Control.Monad
44import Control.Monad.Validation
5−import Data.Aeson
6−import Data.Aeson.Types
75import Data.Foldable
86import Data.Functor.Identity
97import Data.Monoid
@@ -32,10 +30,6 @@ data ParseResult a
3230 | ValidationError ErrorMap -- runtime
3331 deriving (Show, Eq, Functor, Foldable, Traversable)
3432
35−instance (TopLevel a, SingI a, FromJSON (JsonRepr a))
36− => FromJSON (ParseResult (JsonRepr a)) where
37− parseJSON = pure . parseAndValidateJson @a
38−
3933isValid :: ParseResult a -> Bool
4034isValid (Valid _) = True
4135isValid _ = False
@@ -58,42 +52,42 @@ validateTextConstraint (JSONPath path) t = \case
5852 let
5953 nlen = withKnownNat n $ natVal n
6054 predicate = nlen == (fromIntegral $ T.length t)
61− errMsg = "length should be == " <> T.pack (show nlen)
55+ errMsg = "length of " <> path <> " should be == " <> T.pack (show nlen)
6256 warn = vWarning $ mmSingleton path (pure errMsg)
6357 unless predicate warn
6458 STLt n -> do
6559 let
6660 nlen = withKnownNat n $ natVal n
67− predicate = nlen > (fromIntegral $ T.length t)
68− errMsg = "length should be < " <> T.pack (show nlen)
61+ predicate = nlen < (fromIntegral $ T.length t)
62+ errMsg = "length of " <> path <> " should be < " <> T.pack (show nlen)
6963 warn = vWarning $ mmSingleton path (pure errMsg)
7064 unless predicate warn
7165 STLe n -> do
7266 let
7367 nlen = withKnownNat n $ natVal n
74− predicate = nlen >= (fromIntegral $ T.length t)
75− errMsg = "length should be <= " <> T.pack (show nlen)
68+ predicate = nlen <= (fromIntegral $ T.length t)
69+ errMsg = "length of " <> path <> " should be <= " <> T.pack (show nlen)
7670 warn = vWarning $ mmSingleton path (pure errMsg)
7771 unless predicate warn
7872 STGt n -> do
7973 let
8074 nlen = withKnownNat n $ natVal n
81− predicate = nlen < (fromIntegral $ T.length t)
82− errMsg = "length should be > " <> T.pack (show nlen)
75+ predicate = nlen > (fromIntegral $ T.length t)
76+ errMsg = "length of " <> path <> " should be > " <> T.pack (show nlen)
8377 warn = vWarning $ mmSingleton path (pure errMsg)
8478 unless predicate warn
8579 STGe n -> do
8680 let
8781 nlen = withKnownNat n $ natVal n
88− predicate = nlen <= (fromIntegral $ T.length t)
89− errMsg = "length should be >= " <> T.pack (show nlen)
82+ predicate = nlen >= (fromIntegral $ T.length t)
83+ errMsg = "length of " <> path <> " should be >= " <> T.pack (show nlen)
9084 warn = vWarning $ mmSingleton path (pure errMsg)
9185 unless predicate warn
9286 STRegex r -> do
9387 let
9488 regex = withKnownSymbol r $ fromSing r
9589 predicate = matchTest (makeRegex (T.unpack regex) :: Regex) (T.unpack t)
96− errMsg = "must match " <> regex
90+ errMsg = path <> " must match " <> regex
9791 warn = vWarning $ mmSingleton path (pure errMsg)
9892 unless predicate warn
9993 STEnum ss -> do
@@ -101,7 +95,7 @@ validateTextConstraint (JSONPath path) t = \case
10195 matching :: Sing (s :: [Symbol]) -> Bool
10296 matching SNil = False
10397 matching (SCons s@SSym fs) = T.pack (symbolVal s) == t || matching fs
104− errMsg = "must be one of " <> T.pack (show (fromSing ss))
98+ errMsg = path <> " must be one of " <> T.pack (show (fromSing ss))
10599 warn = vWarning $ mmSingleton path (pure errMsg)
106100 unless (matching ss) warn
107101
@@ -115,35 +109,35 @@ validateNumberConstraint (JSONPath path) num = \case
115109 let
116110 nlen = withKnownNat n $ natVal n
117111 predicate = fromIntegral nlen == num
118− errMsg = "should be == " <> T.pack (show nlen)
112+ errMsg = path <> " should be == " <> T.pack (show nlen)
119113 warn = vWarning $ mmSingleton path (pure errMsg)
120114 unless predicate warn
121115 SNGt n -> do
122116 let
123117 nlen = withKnownNat n $ natVal n
124118 predicate = num > fromIntegral nlen
125− errMsg = "should be > " <> T.pack (show nlen)
119+ errMsg = path <> " should be > " <> T.pack (show nlen)
126120 warn = vWarning $ mmSingleton path (pure errMsg)
127121 unless predicate warn
128122 SNGe n -> do
129123 let
130124 nlen = withKnownNat n $ natVal n
131125 predicate = num >= fromIntegral nlen
132− errMsg = "should be >= " <> T.pack (show nlen)
126+ errMsg = path <> " should be >= " <> T.pack (show nlen)
133127 warn = vWarning $ mmSingleton path (pure errMsg)
134128 unless predicate warn
135129 SNLt n -> do
136130 let
137131 nlen = withKnownNat n $ natVal n
138− predicate = num < fromIntegral nlen
139− errMsg = "should be < " <> T.pack (show nlen)
132+ predicate = fromIntegral nlen < num
133+ errMsg = path <> " should be < " <> T.pack (show nlen)
140134 warn = vWarning $ mmSingleton path (pure errMsg)
141135 unless predicate warn
142136 SNLe n -> do
143137 let
144138 nlen = withKnownNat n $ natVal n
145− predicate = num <= fromIntegral nlen
146− errMsg = "should be <= " <> T.pack (show nlen)
139+ predicate = fromIntegral nlen <= num
140+ errMsg = path <> " should be <= " <> T.pack (show nlen)
147141 warn = vWarning $ mmSingleton path (pure errMsg)
148142 unless predicate warn
149143
@@ -157,35 +151,7 @@ validateArrayConstraint (JSONPath path) v = \case
157151 let
158152 nlen = withKnownNat n $ natVal n
159153 predicate = nlen == fromIntegral (V.length v)
160− errMsg = "length should be == " <> T.pack (show nlen)
161− warn = vWarning $ mmSingleton path (pure errMsg)
162− unless predicate warn
163− SAGt n -> do
164− let
165− nlen = withKnownNat n $ natVal n
166− predicate = fromIntegral (V.length v) > nlen
167− errMsg = "length should be > " <> T.pack (show nlen)
168− warn = vWarning $ mmSingleton path (pure errMsg)
169− unless predicate warn
170− SAGe n -> do
171− let
172− nlen = withKnownNat n $ natVal n
173− predicate = fromIntegral (V.length v) >= nlen
174− errMsg = "length should be >= " <> T.pack (show nlen)
175− warn = vWarning $ mmSingleton path (pure errMsg)
176− unless predicate warn
177− SALt n -> do
178− let
179− nlen = withKnownNat n $ natVal n
180− predicate = fromIntegral (V.length v) < nlen
181− errMsg = "length should be < " <> T.pack (show nlen)
182− warn = vWarning $ mmSingleton path (pure errMsg)
183− unless predicate warn
184− SALe n -> do
185− let
186− nlen = withKnownNat n $ natVal n
187− predicate = fromIntegral (V.length v) <= nlen
188− errMsg = "length should be <= " <> T.pack (show nlen)
154+ errMsg = "length of " <> path <> " should be == " <> T.pack (show nlen)
189155 warn = vWarning $ mmSingleton path (pure errMsg)
190156 unless predicate warn
191157
@@ -280,26 +246,3 @@ toUnion _ = ReprUnion . urelax
280246
281247umatch' :: UElem a as i => Sing a -> Union f as -> Maybe (f a)
282248umatch' _ u = umatch u
283−
284−parseAndValidateJson
285− :: forall schema
286− . (FromJSON (JsonRepr schema), TopLevel schema, SingI schema)
287− => Value
288− -> ParseResult (JsonRepr schema)
289−parseAndValidateJson v =
290− case parseEither parseJSON v of
291− Left s -> DecodingError $ T.pack s
292− Right jsonRepr ->
293− let
294− validate = validateJsonRepr (sing :: Sing schema) [] jsonRepr
295− res = runIdentity . runValidationTEither $ validate
296− in case res of
297− Left em -> ValidationError em
298− Right () -> Valid jsonRepr
299−
300−parseAndValidateJsonBy
301− :: (FromJSON (JsonRepr schema), TopLevel schema, SingI schema)
302− => proxy schema
303− -> Value
304− -> ParseResult (JsonRepr schema)
305−parseAndValidateJsonBy _ = parseAndValidateJson
src/Data/Schematic/Verifier.hsdeleted−5
@@ -1,5 +0,0 @@
1−module Data.Schematic.Verifier (module X) where
2−
3−import Data.Schematic.Verifier.Array as X
4−import Data.Schematic.Verifier.Number as X
5−import Data.Schematic.Verifier.Text as X
src/Data/Schematic/Verifier/Array.hsdeleted−14
@@ -1,14 +0,0 @@
1−module Data.Schematic.Verifier.Array where
2−
3−import {-# SOURCE #-} Data.Schematic.Schema
4−import Data.Schematic.Verifier.Common
5−
6−data VerifiedArrayConstraint =
7− VAEq Integer
8− deriving (Show)
9−
10−verifyArrayConstraint ::
11− [DemotedArrayConstraint] -> Maybe (Maybe VerifiedArrayConstraint)
12−verifyArrayConstraint cs = do
13− x <- verifyDNEq [x | DAEq x <- cs]
14− pure $ VAEq <$> x
src/Data/Schematic/Verifier/Common.hsdeleted−43
@@ -1,43 +0,0 @@
1−module Data.Schematic.Verifier.Common where
2−
3−import Data.List (nub)
4−
5−simplifyNumberConstraint :: ([Integer] -> Integer) -> [Integer] -> Maybe Integer
6−simplifyNumberConstraint f =
7− \case
8− [] -> Nothing
9− x -> Just $ f x
10−
11−simplifyDNLs :: [Integer] -> Maybe Integer
12−simplifyDNLs = simplifyNumberConstraint minimum
13−
14−simplifyDNGs :: [Integer] -> Maybe Integer
15−simplifyDNGs = simplifyNumberConstraint maximum
16−
17−verifyDNEq :: [Integer] -> Maybe (Maybe Integer)
18−verifyDNEq x =
19− case nub x of
20− [] -> Just Nothing
21− [y] -> Just $ Just y
22− (_:_:_) -> Nothing
23−
24−verify3 :: Maybe Integer -> Maybe Integer -> Maybe Integer -> Maybe ()
25−verify3 (Just x) (Just y) (Just z) =
26− if x < y && y < z
27− then Just ()
28− else Nothing
29−verify3 _ _ _ = Just ()
30−
31−verify2 :: Maybe Integer -> Maybe Integer -> Maybe ()
32−verify2 (Just x) (Just y) =
33− if x < y
34− then Just ()
35− else Nothing
36−verify2 _ _ = Just ()
37−
38−verifyEquations :: Maybe Integer -> Maybe Integer -> Maybe Integer -> Maybe ()
39−verifyEquations mgt meq mlt = do
40− verify3 mgt meq mlt
41− verify2 mgt meq
42− verify2 meq mlt
43− verify2 mgt mlt
src/Data/Schematic/Verifier/Number.hsdeleted−31
@@ -1,31 +0,0 @@
1−module Data.Schematic.Verifier.Number where
2−
3−import {-# SOURCE #-} Data.Schematic.Schema
4−import Data.Schematic.Verifier.Common
5−
6−toStrictNumber :: [DemotedNumberConstraint] -> [DemotedNumberConstraint]
7−toStrictNumber = map f
8− where
9− f (DNLe x) = DNLt (x + 1)
10− f (DNGe x) = DNGt (x - 1)
11− f x = x
12−
13−data VerifiedNumberConstraint
14− = VNEq Integer
15− | VNBounds (Maybe Integer) (Maybe Integer)
16− deriving (Show)
17−
18−verifyNumberConstraints
19− :: [DemotedNumberConstraint]
20− -> Maybe VerifiedNumberConstraint
21−verifyNumberConstraints cs' = do
22− let
23− cs = toStrictNumber cs'
24− mlt = simplifyDNLs [x | DNLt x <- cs]
25− mgt = simplifyDNGs [x | DNGt x <- cs]
26− meq <- verifyDNEq [x | DNEq x <- cs]
27− verifyEquations mgt meq mlt
28− Just $
29− case meq of
30− Just eq -> VNEq eq
31− Nothing -> VNBounds mgt mlt
src/Data/Schematic/Verifier/Text.hsdeleted−121
@@ -1,121 +0,0 @@
1−module Data.Schematic.Verifier.Text where
2−
3−import Control.Monad
4−import Data.Maybe
5−import {-# SOURCE #-} Data.Schematic.Schema
6−import Data.Schematic.Verifier.Common
7−import Data.Text (Text, unpack)
8−import Text.Regex.TDFA.Pattern
9−import Text.Regex.TDFA.ReadRegex (parseRegex)
10−
11−toStrictTextLength :: [DemotedTextConstraint] -> [DemotedTextConstraint]
12−toStrictTextLength = map f
13− where
14− f (DTLe x) = DTLt (x + 1)
15− f (DTGe x) = DTGt (x - 1)
16− f x = x
17−
18−data VerifiedTextConstraint
19− = VTEq Integer
20− | VTBounds (Maybe Integer) (Maybe Integer)
21− | VTRegex Text Integer (Maybe Integer)
22− | VTEnum [Text]
23− deriving (Show)
24−
25−verifyTextLengthConstraints
26− :: [DemotedTextConstraint]
27− -> Maybe (Maybe VerifiedTextConstraint)
28−verifyTextLengthConstraints cs' = do
29− let
30− cs = toStrictTextLength cs'
31− mlt = simplifyDNLs [x | DTLt x <- cs]
32− mgt = simplifyDNGs [x | DTGt x <- cs]
33− meq <- verifyDNEq [x | DTEq x <- cs]
34− verifyEquations mgt meq mlt
35− case all isNothing ([mgt, meq, mlt] :: [Maybe Integer]) of
36− True -> Just Nothing
37− _ ->
38− Just $
39− Just $
40− case meq of
41− Just eq -> VTEq eq
42− Nothing -> VTBounds mgt mlt
43−
44−regexLength :: Text -> Maybe (Int, Maybe Int)
45−regexLength regexp =
46− case parseRegex . unpack $ regexp of
47− Right (p, _) -> Just (minRegexLength p, maxRegexLength p)
48− Left _ -> Nothing
49−
50−minRegexLength :: Pattern -> Int
51−minRegexLength p =
52− case p of
53− PEmpty -> 0
54− PChar {..} -> 1
55− PAny {..} -> 1
56− PAnyNot {..} -> 1
57− PQuest _ -> 0
58− PPlus sch -> minRegexLength $ PBound 1 Nothing sch
59− PStar _ sch -> minRegexLength $ PBound 0 Nothing sch
60− PBound low _ sch -> low * minRegexLength sch
61− PConcat ps -> sum $ fmap minRegexLength ps
62− POr xs -> minimum $ fmap minRegexLength xs
63− PDot _ -> 1
64− PEscape {..} -> 1
65− PCarat _ -> 0
66− PDollar _ -> 0
67− _ -> 0
68−
69−maxRegexLength :: Pattern -> Maybe Int
70−maxRegexLength p =
71− case p of
72− PEmpty -> Just 0
73− PChar _ _ -> Just 1
74− PAny _ _ -> Just 1
75− PAnyNot _ _ -> Just 1
76− PQuest _ -> Just 0
77− PPlus _ -> Nothing
78− PStar _ _ -> Nothing
79− PBound _ mhigh sch -> (*) <$> mhigh <*> maxRegexLength sch
80− PConcat ps -> sum <$> mapM maxRegexLength ps
81− POr xs -> maximum <$> mapM maxRegexLength xs
82− PDot _ -> Just 1
83− PEscape _ _ -> Just 1
84− PCarat _ -> Just 0
85− PDollar _ -> Just 0
86− _ -> Just 0
87−
88−verifyTextRegexConstraint
89− :: [DemotedTextConstraint]
90− -> Maybe (Maybe VerifiedTextConstraint)
91−verifyTextRegexConstraint cs = do
92− let regexps = [x | DTRegex x <- cs]
93− case regexps of
94− [] -> Just Nothing
95− [x] -> do
96− (l, mh) <- regexLength x
97− Just $ Just $ VTRegex x (fromIntegral l) (fromIntegral <$> mh)
98− _ -> Nothing
99−
100−verifyTextEnumConstraint
101− :: [DemotedTextConstraint]
102− -> Maybe (Maybe VerifiedTextConstraint)
103−verifyTextEnumConstraint cs = do
104− let enums = concat [x | DTEnum x <- cs]
105− case enums of
106− [] -> Just Nothing
107− x -> Just $ Just $ VTEnum x
108−
109−verifyTextConstraints
110− :: [DemotedTextConstraint]
111− -> Maybe [VerifiedTextConstraint]
112−verifyTextConstraints cs = do
113− regexp <- verifyTextRegexConstraint cs
114− void $
115− case regexp of
116− Just (VTRegex _ l mh) ->
117− verifyTextLengthConstraints (DTGe l : cs ++ maybeToList (DTLe <$> mh))
118− _ -> pure Nothing
119− lengths <- verifyTextLengthConstraints cs
120− enums <- verifyTextEnumConstraint cs
121− return $ catMaybes [lengths, enums, regexp]
stack-13.7.yamldeleted−5
@@ -1,5 +0,0 @@
1−resolver: lts-13.7
2−extra-deps:
3− - hjsonpointer-1.4.0@rev:0
4− - hjsonschema-1.9.0@rev:0
5− - validationt-0.2.1.0
stack.yaml+50−4
@@ -1,5 +1,51 @@
1−resolver: lts-12.0
1+resolver: nightly-2017-09-17
2+
3+# User packages to be built.
4+# Various formats can be used as shown in the example below.
5+#
6+# packages:
7+# - some-directory
8+# - https://example.com/foo/bar/baz-0.0.2.tar.gz
9+# - location:
10+# git: https://github.com/commercialhaskell/stack.git
11+# commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a
12+# - location: https://github.com/commercialhaskell/stack/commit/e7b331f14bcffb8367cd58fbfc8b40ec7642100a
13+# extra-dep: true
14+# subdirs:
15+# - auto-update
16+# - wai
17+#
18+# A package marked 'extra-dep: true' will only be built if demanded by a
19+# non-dependency (i.e. a user package), and its test suites and benchmarks
20+# will not be run. This is useful for tweaking upstream packages.
21+packages:
22+- '.'
23+
224extra-deps:
3− - hjsonpointer-1.4.0@rev:0
4− - hjsonschema-1.9.0@rev:0
5− - validationt-0.2.1.0
25+- hjsonpointer-1.3.0
26+- hjsonschema-1.7.0
27+- validationt-0.2.0.0
28+
29+# Override default flag values for local packages and extra-deps
30+flags: {}
31+
32+# Extra package databases containing global packages
33+extra-package-dbs: []
34+
35+# Control whether we use the GHC we find on the path
36+# system-ghc: true
37+#
38+# Require a specific version of stack, using version ranges
39+# require-stack-version: -any # Default
40+# require-stack-version: ">=1.4"
41+#
42+# Override the architecture used by stack, especially useful on Windows
43+# arch: i386
44+# arch: x86_64
45+#
46+# Extra directories used by stack for building
47+# extra-include-dirs: [/path/to/dir]
48+# extra-lib-dirs: [/path/to/dir]
49+#
50+# Allow a newer minor version of GHC than the snapshot specifies
51+# compiler-check: newer-minor
test/JsonSchemaSpec.hs−58
@@ -10,7 +10,6 @@ module JsonSchemaSpec (spec, main) where
1010import Data.Aeson as J
1111import Data.Maybe
1212import Data.Proxy
13−import Data.ByteString.Lazy as B
1413import Data.Schematic
1514import Data.Vinyl
1615import JSONSchema.Draft4 as D4
@@ -32,27 +31,6 @@ exampleData = withRepr @SchemaExample $
3231 :& field @"bar" (pure (ReprText "foo"))
3332 :& RNil
3433
35−type SchemaArrayExample = 'SchemaObject
36− '[ '("a1", 'SchemaArray '[ 'AGt 1 ] ('SchemaNumber '[]))
37− , '("a2", 'SchemaArray '[ 'AGe 1 ] ('SchemaNumber '[]))
38− , '("a3", 'SchemaArray '[ 'ALt 1 ] ('SchemaNumber '[]))
39− , '("a4", 'SchemaArray '[ 'ALe 1 ] ('SchemaNumber '[]))
40− ]
41−
42−type SchemaNumberExample = 'SchemaObject
43− '[ '("n1", 'SchemaNumber '[ 'NGt 1 ])
44− , '("n2", 'SchemaNumber '[ 'NGe 1 ])
45− , '("n3", 'SchemaNumber '[ 'NLt 1 ])
46− , '("n4", 'SchemaNumber '[ 'NLe 1 ])
47− ]
48−
49−type SchemaTextExample = 'SchemaObject
50− '[ '("t1", 'SchemaText '[ 'TGt 1 ])
51− , '("t2", 'SchemaText '[ 'TGe 1 ])
52− , '("t3", 'SchemaText '[ 'TLt 1 ])
53− , '("t4", 'SchemaText '[ 'TLe 1 ])
54− ]
55−
5634spec :: Spec
5735spec = do
5836 it "validates simple schema" $ do
@@ -60,42 +38,6 @@ spec = do
6038 fetchHTTPAndValidate schema (toJSON exampleData) >>= \case
6139 Left _ -> fail "failed to validate test example"
6240 Right _ -> pure ()
63− it "validates schema with arrays" $ do
64− let
65− schema = D4.SchemaWithURI (fromJust $ toJsonSchema (Proxy @SchemaArrayExample)) Nothing
66− obj = withRepr @SchemaArrayExample $
67− field @"a1" [ReprNumber 13, ReprNumber 13]
68− :& field @"a2" [ReprNumber 13]
69− :& field @"a3" []
70− :& field @"a4" [ReprNumber 13]
71− :& RNil
72− fetchHTTPAndValidate schema (toJSON obj) >>= \case
73− Left e -> fail "failed to validate test example"
74− Right _ -> pure ()
75− it "validates schema with numbers" $ do
76− let
77− schema = D4.SchemaWithURI (fromJust $ toJsonSchema (Proxy @SchemaNumberExample)) Nothing
78− obj = withRepr @SchemaNumberExample $
79− field @"n1" 1.1
80− :& field @"n2" 1
81− :& field @"n3" 0.9
82− :& field @"n4" 1.0
83− :& RNil
84− fetchHTTPAndValidate schema (toJSON obj) >>= \case
85− Left e -> fail "failed to validate test example"
86− Right _ -> pure ()
87− it "validates schema with strings" $ do
88− let
89− schema = D4.SchemaWithURI (fromJust $ toJsonSchema (Proxy @SchemaTextExample)) Nothing
90− obj = withRepr @SchemaTextExample $
91− field @"t1" "11"
92− :& field @"t2" "1"
93− :& field @"t3" ""
94− :& field @"t4" "1"
95− :& RNil
96− fetchHTTPAndValidate schema (toJSON obj) >>= \case
97− Left e -> fail "failed to validate test example"
98− Right _ -> pure ()
9941
10042main :: IO ()
10143main = hspec spec
test/LensSpec.hs+4−4
@@ -303,15 +303,15 @@ spec = do
303303 newFooVal = FieldRepr $ ReprArray [ReprNumber 15]
304304 fooProxy = Proxy @"foo"
305305 it "gets the field from an object" $ do
306− fget @"foo" objectData `shouldBe` arrayField
306+ fget fooProxy objectData `shouldBe` arrayField
307307 it "sets the object field" $ do
308− fget @"foo" (fput newFooVal objectData) `shouldBe` newFooVal
308+ fget fooProxy (fput newFooVal objectData) `shouldBe` newFooVal
309309
310310 describe "(using lens library) " $ do
311311 it "get the field from an object" $ do
312− objectData ^. flens @"foo" `shouldBe` arrayField
312+ objectData ^. flens (Proxy @"foo") `shouldBe` arrayField
313313 it "sets the object field" $ do
314− set (flens @"foo") newFooVal objectData ^. flens @"foo"
314+ set (flens (Proxy @"foo")) newFooVal objectData ^. flens (Proxy @"foo")
315315 `shouldBe` newFooVal
316316
317317main :: IO ()
test/SchemaSpec.hs−24
@@ -17,26 +17,15 @@ import Data.ByteString.Lazy
1717import Data.Functor.Identity
1818import Data.Proxy
1919import Data.Schematic
20−import Data.Schematic.Generator
21−import Data.Singletons
2220import Data.Tagged
2321import Data.Vinyl
2422import Test.Hspec
25−import Test.Hspec.SmallCheck
26−import Test.SmallCheck as SC
27−import Test.SmallCheck.Drivers as SC
28−import Test.SmallCheck.Series as SC
2923
30−import Debug.Trace
3124
3225type SchemaExample = 'SchemaObject
3326 '[ '("foo", 'SchemaArray '[ 'AEq 1] ('SchemaNumber '[ 'NGt 10]))
3427 , '("bar", 'SchemaOptional ('SchemaText '[ 'TEnum '["foo", "bar"]]))]
3528
36−type SchemaExample2 = 'SchemaObject
37− '[ '("foo", 'SchemaArray '[ 'AEq 2] ('SchemaText '[ 'TGt 10]))
38− , '("bar", 'SchemaOptional ('SchemaText '[ 'TRegex "[0-9]+"]))]
39−
4029jsonExample :: JsonRepr SchemaExample
4130jsonExample = withRepr @SchemaExample
4231 $ field @"bar" (Just "bar")
@@ -80,12 +69,6 @@ schemaJson = "{\"foo\": [13], \"bar\": null}"
8069schemaJson2 :: ByteString
8170schemaJson2 = "{\"foo\": [3], \"bar\": null}"
8271
83−schemaJsonSeries :: Monad m => SC.Series m (JsonRepr SchemaExample)
84−schemaJsonSeries = series
85−
86−schemaJsonSeries2 :: Monad m => SC.Series m (JsonRepr SchemaExample2)
87−schemaJsonSeries2 = series
88−
8972spec :: Spec
9073spec = do
9174 -- it "show/read JsonRepr properly" $
@@ -110,13 +93,6 @@ spec = do
11093 migrationList
11194 schemaJson
11295 `shouldSatisfy` isValid
113− it "validates json series" $ property $
114− SC.over schemaJsonSeries $ \x ->
115− isValid (parseAndValidateJson @SchemaExample (toJSON x))
116− it "validates json series 2" $ property $
117− SC.over schemaJsonSeries2 $ \x ->
118− isValid (parseAndValidateJson @SchemaExample2 (toJSON x))
119−
12096
12197main :: IO ()
12298main = hspec spec