generated from tpl/purs
Updates for psc 0.10.5.
- Bumped dependencies - Use generic rep - New operator syntax - New qualified import syntax
This commit is contained in:
Matthew Gordon
parent
3815338f53
commit
e392713273
16
bower.json
16
bower.json
@ -11,15 +11,15 @@
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"output"
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],
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"dependencies": {
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"purescript-console": "^0.1.0",
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"js-yaml": "~3.4.6",
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"purescript-functions": "~0.1.0",
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"purescript-foreign": "~0.7.2",
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"purescript-generics": "~0.7.0",
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"purescript-foreign-generic": "~0.3.0",
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"purescript-unsafe-coerce": "~0.1.0"
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"js-yaml": "^3.4.6",
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"purescript-functions": "^2.0.0",
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"purescript-foreign": "^3.2.0",
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"purescript-foreign-generic": "^3.0.0",
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"purescript-unsafe-coerce": "^2.0.0"
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},
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"devDependencies": {
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"purescript-spec": "~0.7.2"
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"purescript-console": "^2.0.0",
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"purescript-spec": "~0.12.1"
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}
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}
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@ -11,7 +11,7 @@ Attempt to parse a YAML string, returning the result as foreign data.
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#### `readYAML`
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``` purescript
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readYAML :: forall a. (IsForeign a) => String -> F a
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readYAML :: forall a. IsForeign a => String -> F a
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```
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Attempt to parse a YAML string into the datastructure you want.
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@ -19,7 +19,7 @@ Attempt to parse a YAML string into the datastructure you want.
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#### `readYAMLGeneric`
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``` purescript
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readYAMLGeneric :: forall a. (Generic a) => Options -> String -> F a
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readYAMLGeneric :: forall a rep. (Generic a rep, GenericDecode rep) => Options -> String -> F a
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```
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Automatically generate a YAML parser for your data from a generic instance.
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@ -15,7 +15,7 @@ type YArray = Array YValue
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#### `YAML`
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``` purescript
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data YAML :: *
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data YAML :: Type
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```
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#### `YValue`
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@ -60,18 +60,22 @@ ToYAML String
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type Pair = Tuple String YValue
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```
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#### `(:=)`
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#### `entry`
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``` purescript
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(:=) :: forall a. (ToYAML a) => String -> a -> Pair
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entry :: forall a. ToYAML a => String -> a -> Pair
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```
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_left-associative / precedence -1_
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Helper function to create a key-value tuple for a YAML object.
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`name = "Name" := "This is the name"`
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#### `(:=)`
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``` purescript
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infixl 4 entry as :=
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```
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#### `object`
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``` purescript
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@ -109,7 +113,7 @@ toYAMLImpl :: YAML -> String
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#### `printYAML`
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``` purescript
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printYAML :: forall a. (ToYAML a) => a -> String
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printYAML :: forall a. ToYAML a => a -> String
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```
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@ -1,24 +1,25 @@
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module Data.YAML.Foreign.Decode (parseYAML, readYAML, readYAMLGeneric) where
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import Control.Bind ((>=>))
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import Data.Either
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import Data.Foreign (Foreign (), F (), ForeignError (..))
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import Data.Foreign.Class (IsForeign, read)
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import Data.Foreign.Generic
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import Data.Function (Fn3(), runFn3)
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import Data.Generic (Generic)
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import Prelude (Show, (<<<), (++), (>>=))
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import Data.Foreign (F, Foreign, ForeignError(..), fail)
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import Data.Foreign.Class (class IsForeign, read)
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import Data.Foreign.Generic (readGeneric)
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import Data.Foreign.Generic.Classes (class GenericDecode)
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import Data.Foreign.Generic.Types (Options)
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import Data.Function.Uncurried (Fn3, runFn3)
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import Data.Generic.Rep (class Generic)
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import Prelude (pure, (<<<), (>>=), (>=>))
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foreign import parseYAMLImpl :: forall r. Fn3 (String -> r) (Foreign -> r) String r
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-- | Attempt to parse a YAML string, returning the result as foreign data.
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parseYAML :: String -> F Foreign
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parseYAML yaml = runFn3 parseYAMLImpl (Left <<< JSONError) Right yaml
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parseYAML yaml = runFn3 parseYAMLImpl (fail <<< JSONError) pure yaml
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-- | Attempt to parse a YAML string into the datastructure you want.
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readYAML :: forall a. (IsForeign a) => String -> F a
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readYAML yaml = parseYAML yaml >>= read
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-- | Automatically generate a YAML parser for your data from a generic instance.
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readYAMLGeneric :: forall a. (Generic a) => Options -> String -> F a
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readYAMLGeneric :: forall a rep. (Generic a rep, GenericDecode rep) => Options -> String -> F a
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readYAMLGeneric opts = parseYAML >=> readGeneric opts
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@ -1,11 +1,12 @@
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module Data.YAML.Foreign.Encode where
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import Data.Function (Fn4(), runFn4)
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import Data.List (fromList, toList)
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import qualified Data.Map as M
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import Data.Maybe (Maybe (), maybe)
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import Data.Map as M
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import Data.Array (fromFoldable, toUnfoldable)
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import Data.Function.Uncurried (Fn4, runFn4)
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import Data.List (List)
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import Data.Maybe (Maybe, maybe)
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import Data.Tuple (Tuple(..), fst, snd)
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import Prelude (Eq, Show, map, show, ($), (++), (==), (<<<))
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import Prelude (class Eq, class Show, map, show, ($), (<>), (==), (<<<))
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import Unsafe.Coerce (unsafeCoerce)
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type YObject = M.Map String YValue
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@ -22,12 +23,12 @@ data YValue
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| YNull
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instance showYValue :: Show YValue where
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show (YObject m) = "YObject " ++ show m
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show (YArray vs) = "YArray " ++ show vs
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show (YString s) = "YString " ++ show s
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show (YNumber n) = "YNumber " ++ show n
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show (YInt i) = "YInt " ++ show i
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show (YBoolean b) = "YBoolean " ++ show b
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show (YObject m) = "YObject " <> show m
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show (YArray vs) = "YArray " <> show vs
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show (YString s) = "YString " <> show s
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show (YNumber n) = "YNumber " <> show n
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show (YInt i) = "YInt " <> show i
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show (YBoolean b) = "YBoolean " <> show b
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show YNull = "YNull"
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instance eqYValue :: Eq YValue where
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@ -66,14 +67,16 @@ type Pair = Tuple String YValue
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-- | Helper function to create a key-value tuple for a YAML object.
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-- |
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-- | `name = "Name" := "This is the name"`
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(:=) :: forall a. (ToYAML a) => String -> a -> Pair
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(:=) name value = Tuple name (toYAML value)
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entry :: forall a. (ToYAML a) => String -> a -> Pair
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entry name value = Tuple name (toYAML value)
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infixl 4 entry as :=
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-- | Helper function to create a YAML object.
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-- |
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-- | `obj = object [ "Name" := "This is the name", "Size" := 1.5 ]`
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object :: Array Pair -> YValue
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object ps = YObject $ M.fromList $ toList $ ps
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object ps = YObject $ M.fromFoldable (toUnfoldable ps :: List Pair)
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foreign import jsNull :: YAML
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foreign import objToHash ::
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@ -84,7 +87,7 @@ foreign import objToHash ::
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YAML
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valueToYAML :: YValue -> YAML
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valueToYAML (YObject o) = runFn4 objToHash valueToYAML fst snd $ fromList $ M.toList o
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valueToYAML (YObject o) = runFn4 objToHash valueToYAML fst snd $ fromFoldable $ M.toList o
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valueToYAML (YArray a) = unsafeCoerce $ map valueToYAML a
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valueToYAML (YString s) = unsafeCoerce s
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valueToYAML (YNumber n) = unsafeCoerce n
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@ -96,3 +99,4 @@ foreign import toYAMLImpl :: YAML -> String
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printYAML :: forall a. (ToYAML a) => a -> String
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printYAML = toYAMLImpl <<< valueToYAML <<< toYAML
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@ -1,11 +1,9 @@
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module Test.Instances where
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import Prelude
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import Data.Either
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import Data.Foreign
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import Data.Foreign.Class
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import Data.Generic (Generic, gShow, gEq)
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import Prelude (class Eq, class Show, bind, pure, ($))
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import Data.Foreign (ForeignError(..), fail, readString)
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import Data.Foreign.Class (class IsForeign, readProp)
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import Data.Generic (class Generic, gShow, gEq)
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import Data.YAML.Foreign.Encode
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data Point = Point Int Int
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@ -41,21 +39,21 @@ instance archiObjectIsForeign :: IsForeign GeoObject where
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points <- readProp "Points" value
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mobility <- readProp "Mobility" value
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coverage <- readProp "Coverage" value
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return $ GeoObject { name, scale, points, mobility, coverage }
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pure $ GeoObject { name, scale, points, mobility, coverage }
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instance pointIsForeign :: IsForeign Point where
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read value = do
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x <- readProp "X" value
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y <- readProp "Y" value
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return $ Point x y
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pure $ Point x y
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instance mobilityIsForeign :: IsForeign Mobility where
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read value = do
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mob <- readString value
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case mob of
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"Fix" -> return Fix
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"Flex" -> return Flex
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_ -> Left $ JSONError "Mobility must be either Flex or Fix"
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"Fix" -> pure Fix
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"Flex" -> pure Flex
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_ -> fail $ JSONError "Mobility must be either Flex or Fix"
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instance pointToYAML :: ToYAML Point where
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toYAML (Point x y) =
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@ -77,3 +75,4 @@ instance archiObjectToYAML :: ToYAML GeoObject where
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, "Mobility" := o.mobility
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, "Coverage" := o.coverage
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]
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@ -1,19 +1,17 @@
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module Test.Main where
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import Prelude
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import Data.Either
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import Data.Foreign
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import Control.Monad.Eff
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import Control.Monad.Eff.Console (CONSOLE ())
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import Control.Monad.Eff (Eff)
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import Control.Monad.Except (runExcept)
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import Data.Either (Either(..))
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import Data.Foreign (F)
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import Data.YAML.Foreign.Decode (readYAML)
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import Data.YAML.Foreign.Encode (printYAML)
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import Prelude (Unit, bind, ($))
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import Test.Instances (GeoObject(..), Mobility(..), Point(..))
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import Test.Spec (describe, it)
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import Test.Spec.Runner (Process (), run)
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import Test.Spec.Assertions (shouldEqual)
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import Test.Spec.Reporter.Console (consoleReporter)
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import Data.YAML.Foreign.Decode
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import Data.YAML.Foreign.Encode
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import Test.Instances
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import Test.Spec.Runner (RunnerEffects, run)
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yamlInput :: String
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yamlInput = """
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@ -85,14 +83,15 @@ parsedData =
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}
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]
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main :: Eff (console :: CONSOLE, process :: Process) Unit
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main :: Eff (RunnerEffects ()) Unit
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main = run [consoleReporter] do
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describe "purescript-yaml" do
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describe "decode" do
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it "Decodes YAML" do
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let decoded = (readYAML yamlInput) :: F (Array GeoObject)
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decoded `shouldEqual` (Right parsedData)
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(runExcept decoded) `shouldEqual` (Right parsedData)
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describe "encode" do
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it "Encodes YAML" $ do
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let encoded = printYAML parsedData
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encoded `shouldEqual` yamlOutput
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