master..397a807 · typeable/xml-isogen

git.iko.soy/typeable/xml-isogen

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.gitignore−5

since splitsnapshots

unifiedsplit

@@ -3,8 +3,3 @@ dist

3.stack-work

4.cabal-sandbox/

5cabal.sandbox.config

6−dist-newstyle/

7−default.nix

8−# vim backup and swap files

9−*~

10−.*.swp

.travis.yml+1−2

@@ -5,8 +5,7 @@ language: generic

5env:

6 - STACK_YAML=stack.yaml

7 - STACK_YAML=ghc-802.yaml

8− - STACK_YAML=ghc-822.yaml

8+ - STACK_YAML=ghc-821.yaml

9− - STACK_YAML=ghc-844.yaml

11cache:

10cache:

12 directories:

11 directories:

CHANGELOG.md−15

@@ -1,18 +1,3 @@

1−HEAD

2−------

3−

4−* Add lenient parsers support (#29)

5−* Rename Both to ParserAndGenerator (#27)

6−* Add Nillable newtype (#24)

7−* Include digits in the auto-gerenated prefix (#22)

8−

9−0.3.0

10−------

11−

12−* Add namespaces support

13−* Builds with GHC 8.4

14−* Derive NFData for all generated datatypes

15−

160.2.1

10.2.1

17------

2------

README.md+1−284

@@ -6,287 +6,4 @@ TemplateHaskell generators for XML-isomorphic data types, including

6instances for parsing and rendering. A convenient DSL to define those

7types.

9−Essentially it's a haskell DSL which allows its users to generate XML parsers and generators for haskell datatypes.

9+This is similar to XSD but is Haskell-specific.

10−See also [xsd-isogen](https://github.com/typeable/xsd-isogen)

11−

12−## Tutorial

13−

14−Lets go through series of examples. First things first:

15−

16−```haskell

17−{-# LANGUAGE TemplateHaskell #-}

18−{-# LANGUAGE OverloadedStrings #-}

19−{-# LANGUAGE DeriveGeneric #-}

20−

21−module Tutorial

22−where

23−

24−import Prelude hiding ((^))

25−import Control.DeepSeq -- from deepseq

26−import Data.Text

27−import Data.THGen.XML -- from xml-isogen

28−import Text.XML.Writer -- from xml-conduit-writer

29−import Text.XML.DOM.Parser -- from dom-parser

30−```

31−

32−### Records

33−

34−Lets say we want to parse and/or generate an XML file of the following form:

35−

36−```XML

37−<?xml version="1.0" encoding="UTF-8"?>

38−<person>

39− <name>

40− John

41− </name>

42− <email>

43− john@example.com

44− </email>

45−</person>

46−```

47−

48−Person has a name and an email, and email could be omitted. With `xml-isogen` it's

49−enough to write the following definition:

50−

51−```haskell

52−"Person" =:= record ParserAndGenerator

53− ! "name" [t|Text|]

54− ? "email" [t|Text|]

55−```

56−

57−At this point you can load the module into `ghci` and check what was generated for us

58−so far:

59−

60−```

61−*Tutorial> :browse

62−data XmlPerson

63− = XmlPerson {_xpName :: !Text, _xpEmail :: !(Maybe Text)}

64−xpEmail ::

65− lens-4.18.1:Control.Lens.Type.Lens' XmlPerson (Maybe Text)

66−xpName :: lens-4.18.1:Control.Lens.Type.Lens' XmlPerson Text

67−```

68−

69−We have a data type `XmlPerson` with two fields and two lenses. Note that the

70−fields have a prefix built of an underscore and all upper case characters

71−and digits of the type name.

72−

73−

74−Lets take a closer look at `XmlPerson`:

75−

76−```

77−*Tutorial> :i XmlPerson

78−data XmlPerson

79− = XmlPerson {_xpName :: !Text, _xpEmail :: !(Maybe Text)}

80− -- Defined at Tutorial.hs:13:1

81−instance Show XmlPerson -- Defined at Tutorial.hs:13:1

82−instance Eq XmlPerson -- Defined at Tutorial.hs:13:1

83−instance FromDom XmlPerson -- Defined at Tutorial.hs:13:1

84−instance ToXML XmlPerson -- Defined at Tutorial.hs:13:1

85−

86−```

87−

88−We have

89−[FromDom](https://hackage.haskell.org/package/dom-parser-3.1.0/docs/Text-XML-DOM-Parser-FromDom.html#t:FromDom)

90−and

91−[ToXML](https://hackage.haskell.org/package/xml-conduit-writer-0.1.1.2/docs/Text-XML-Writer.html#t:ToXML)

92−instance generated for us. That's because

93−we instructed `xml-isogen` to generate them using the `ParserAndGenerator` noun. You can specify

94−also `Parser` or `Generator` if you want only one of them.

95−

96−The `_xpEmail` field is optional; that's because we prefixed it with `?` modifier.

97−Here is the list of possible modifiers that affect types:

98−

99−Modifier | Description | Generated Type

100−--- | --- | ---

101−`!` | required | `a`

102−`?` | optional | `Maybe a`

103−`*` | repeated | `[a]`

104−`+` | nonempty | `NonEmpty a`

105−

106−### Supported types

107−

108−Fields in a record may have any types as long as they are instances of `Eq`, `Show`,

109−`NFData`, `FromDom` (for the parser) and `ToXml` (for the generator). Remember

110−though that TemplateHaskell requires types to be available before they are used

111−in a splice.

112−

113−You can omit field types altogether, in that case the type will be assumed to be a

114−capitalized field name with an `Xml` prefix.

115−It's your responsibility to make sure that type exists.

116−Example:

117−

118−```haskell

119−newtype XmlEmail = XmlEmail Text

120− deriving (Eq, Show, NFData, ToXML)

121−

122−instance FromDom XmlEmail where

123− fromDom = XmlEmail <$> fromDom

124−

125−"Example1" =:= record Parser

126− ! "email" -- will have type XmlEmail

127−```

128−

129−### Enumerations

130−

131−Often XML element can contain only limited number of possible values. Lets define

132−a type `Status` that can have only values `Active`, `Pending` or `Deleted`:

133−

134−```haskell

135−"Status" =:= enum ParserAndGenerator

136− & "Active"

137− & "Pending"

138− & "Deleted"

139−```

140−

141−This definition will generate the following type for us:

142−

143−```haskell

144−data XmlStatus

145− = XmlStatusActive

146− | XmlStatusPending

147− | XmlStatusDeleted

148− | UnknownXmlStatus !String

149−```

150−

151−It has all the necessary instances, so you can use it as a type for a field.

152−

153−### Append content

154−

155−Sometimes the XML you are dealing with contains a mix of elements and immediate

156−content. Something like the following:

157−

158−```XML

159−<?xml version="1.0" encoding="UTF-8"?>

160−<example>

161− <field1>

162− I am

163− </field1>

164− totally

165− <field2>

166− weird

167− </field2>

168−</example>

169−```

170−

171−You can model this with an "append content" modifier `^`. It will instruct

172−`xml-isogen` to append content of the field as it is, without wrapping it

173−into an XML element. For our case it may look like this:

174−

175−```haskell

176−"Example2" =:= record ParserAndGenerator

177− ! "field1" [t|Text|]

178− ^ "mixed" [t|Text|]

179− ! "field2" [t|Text|]

180−```

181−

182−After parsing the XML above, we'll get the following:

183−

184−```haskell

185−XmlExample2 {_xe2Field1 = "I am", _xe2Mixed = "totally", _xe2Field2 = "weird"}

186−```

187−

188−### Attributes

189−

190−`xml-isogen` also supports XML attributes using `!%` and `?%` modifiers:

191−

192−```haskell

193−"Example3" =:= record ParserAndGenerator

194− ! "field1" [t|Text|]

195− !% "attribute1" [t|Text|]

196− ?% "attribute2" [t|Text|]

197−

198−"Body" =:= record ParserAndGenerator

199− ! "root" [t|XmlExample3|]

200−```

201−

202−The following two types will be generated:

203−

204−```haskell

205−data XmlExample3

206− = XmlExample3 {_xe3Field1 :: !Text,

207− _xe3Attribute1 :: !Text,

208− _xe3Attribute2 :: !(Maybe Text)}

209−

210−newtype XmlBody = XmlBody {_xbRoot :: XmlExample3}

211−```

212−

213−The `_xe3Attribute2` is optional because we used `?%` modifier. Attributes will be

214−attached to parent XML element. Here is an example of the generated XML file:

215−

216−```XML

217−<root attribute1="world">

218− <field1>

219− hello

220− </field1>

221−</root>

222−```

223−

224−Note that attributes are attached to the parent XML element, that's why we needed

225−`XmlBody` type here.

226−

227−And here is what you get after parsing the XML:

228−

229−```haskell

230−XmlExample3 {_xe3Field1 = "hello", _xe3Attribute1 = "world", _xe3Attribute2 = Nothing}

231−```

232−

233−### Namespaces

234−

235−Often XSD schema requires XML elements to be qualified with a namespace. To instruct

236−`xml-isogen` to qualify fields, specify namespace is a curly brackets:

237−

238−```haskell

239−"Example4" =:= record ParserAndGenerator

240− ! "field1" [t|Text|]

241− ! "{http://example.com/1}field2" [t|Text|]

242− ! "{http://example.com/2}field3" [t|Text|]

243−```

244−

245−Here is the generated XML:

246−

247−```XML

248−<field1>

249− hello

250−</field1>

251−<field2 xmlns="http://example.com/1">

252− world

253−</field2>

254−<field3 xmlns="http://example.com/2">

255− !

256−</field3>

257−```

258−

259−### Nillable types

260−

261−Sometimes optional element in XML are encoded using `nil="true"` attribute instead of

262−omitting the element. (The `nil` attribute comes from `http://www.w3.org/2001/XMLSchema-instance` namespace). With `xml-isogen` you handle it using the `Nillable` type:

263−

264−```haskell

265−"Example5" =:= record ParserAndGenerator

266− ! "field" [t|Nillable Text|]

267−```

268−

269−If the field contains the value `Nothing`, like this

270−

271−```haskell

272−XmlExample5 { _xe5Field = Nillable Nothing}

273−```

274−

275−then the following XML will be generated:

276−

277−```XML

278−<field

279− xmlns:ns="http://www.w3.org/2001/XMLSchema-instance"

280− ns:nil="true"

281−/>

282−```

283−

284−## Development

285−

286−To start working with `xml-isogen` using nix use:

287−

288−```

289−nix-shell --packages cabal2nix --run "cabal2nix ." > default.nix

290−nix-shell

291−cabal v2-build

292−```

ghc-802.yaml+1−5

@@ -1,8 +1,4 @@

1−nix:

2− packages:

3− - zlib

4−

5−resolver: lts-9.21

1+resolver: lts-9.0

7packages:

3packages:

8- .

4- .

stack-10.0.yaml → ghc-821.yamlrenamed+4−4

@@ -1,8 +1,8 @@

1−nix:

1+resolver: nightly-2017-09-14

2− packages:

3+packages:

3− - zlib

4+- .

5−resolver: lts-10.0

6extra-deps:

7- dom-parser-3.0.0

8- generic-arbitrary-0.1.0

ghc-822.yamldeleted−5

@@ -1,5 +0,0 @@

1−nix:

2− packages:

3− - zlib

4−

5−resolver: lts-11.22

ghc-844.yamldeleted−7

@@ -1,7 +0,0 @@

1−nix:

2− packages:

3− - zlib

4−

5−resolver: lts-12.16

6−extra-deps:

7−- dom-parser-3.1.0

shell.nixdeleted−17

@@ -1,17 +0,0 @@

1−{ nixpkgs ? import <nixpkgs> {}, compiler ? "default" }:

2−

3−let

4−

5− inherit (nixpkgs) pkgs;

6−

7− f = import ./default.nix;

8−

9− haskellPackages = if compiler == "default"

10− then pkgs.haskellPackages

11− else pkgs.haskell.packages.${compiler};

12−

13− drv = haskellPackages.callPackage f {};

14−

15−in

16−

17− if pkgs.lib.inNixShell then drv.env else drv

src/Data/THGen/Orphans.hsdeleted−11

@@ -1,11 +0,0 @@

1−{-# OPTIONS_GHC -fno-warn-orphans #-}

2−

3−module Data.THGen.Orphans

4−where

5−

6−import Data.Scientific

7−import qualified Data.Text as Text

8−import Text.XML.Writer

9−

10−instance ToXML Scientific where

11− toXML = content . Text.pack . formatScientific Fixed Nothing

src/Data/THGen/XML.hs+339−23

@@ -1,4 +1,5 @@

1−{-# LANGUAGE NoImplicitPrelude #-}

1+{-# LANGUAGE UndecidableInstances #-}

2+{-# LANGUAGE FunctionalDependencies #-}

3{- |

4{- |

@@ -22,7 +23,7 @@ wrapper around the field type:

23Example 1.

24Example 1.

25−> "Color" =:= enum ParserAndGenerator

26+> "Color" =:= enum

26> & "R"

27> & "R"

27> & "G"

28> & "G"

28> & "B"

29> & "B"

@@ -40,7 +41,7 @@ to be either @R@, @G@ or @B@.

41Example 2.

42Example 2.

43−> "Message" =:= record ParserAndGenerator

44+> "Message" =:= record

44> ! "author"

45> ! "author"

45> + "recipient"

46> + "recipient"

46> ? "message" [t|Text|]

47> ? "message" [t|Text|]

@@ -67,10 +68,10 @@ enumeration is exhaustive (contains only the listed constructors) or

67non-exhaustive (also contains a constructor for unknown values; this

68non-exhaustive (also contains a constructor for unknown values; this

68is the default):

69is the default):

70−> "Enum1" Exhaustive =:= enum Generator

71+> "Enum1" Exhaustive =:= enum

71> ...

72> ...

73−> "Enum2" NonExhaustive =:= enum Generator

74+> "Enum2" NonExhaustive =:= enum

74> ...

75> ...

76To define a record, use the `record` function followed by the name of

77To define a record, use the `record` function followed by the name of

@@ -78,7 +79,7 @@ the data type to be generated. The prefix for the record fields is

78inferred automatically by taking all of the uppercase letters in the

79inferred automatically by taking all of the uppercase letters in the

79name. You can override it manually like so:

80name. You can override it manually like so:

81−> "Reference" "ref" =:= record Parser

82+> "Reference" "ref" =:= record

82> ...

83> ...

84To describe a record field you must supply its name as it appears

85To describe a record field you must supply its name as it appears

@@ -93,14 +94,10 @@ The type of the field is inferred automatically from its name, so

93if the field is called @"author"@ its type will be @Author@. You can

94if the field is called @"author"@ its type will be @Author@. You can

94override the type by specifying it in quasiquotes like so:

95override the type by specifying it in quasiquotes like so:

96−> "Message" =:= record ParserAndGenerator

97+> "Message" =:= record

97−> ! "author" [t|Person|].

98+> ! "author" [t|Person|]

98> ...

99> ...

100

100−Both @record@ and @enum@ take a @GenType@ argument which tells it to generate

101−generator, parser or both. It's being used to optimize compilation time by

102−skipping the unnecessary TH instance generation.

103−

104-}

101-}

105

102

106

103

@@ -108,7 +105,6 @@ module Data.THGen.XML

108 ( Exhaustiveness(..)

105 ( Exhaustiveness(..)

109 , PrefixName(..)

106 , PrefixName(..)

110 , ExhaustivenessName(..)

107 , ExhaustivenessName(..)

111− , GenType(..)

112 , record

108 , record

113 , enum

109 , enum

114 , (!)

110 , (!)

@@ -118,18 +114,338 @@ module Data.THGen.XML

118 , (!%)

114 , (!%)

119 , (?%)

115 , (?%)

120 , (&)

116 , (&)

121− , (^)

122 , (=:=)

117 , (=:=)

123 -- Re-exports

118 -- Re-exports

124− , Text

119+ , T.Text

125− , P.Int

120+ , Int

126− , P.Integer

121+ , Integer

127− , Nillable(..)

128 ) where

122 ) where

129

123

124+import Control.DeepSeq

125+import Control.Lens hiding (repeated, enum, (&))

126+import Control.Lens.Internal.FieldTH (makeFieldOpticsForDec)

127+import qualified Data.Char as C

128+import Data.List.NonEmpty (NonEmpty)

129+import Data.Maybe (maybeToList, mapMaybe)

130+import Data.String

131+import Data.THGen.Compat

130import Data.THGen.Enum

132import Data.THGen.Enum

131−import Data.THGen.Orphans ()

133+import qualified Data.Text as T

132−import Data.THGen.XML.Internal

134+import GHC.Generics (Generic)

133−import Data.Text

135+import qualified Language.Haskell.TH as TH

134−import Text.XML.Nillable

136+import qualified Language.Haskell.TH.Syntax as TH

135−import qualified Prelude as P

137+import Prelude hiding ((+), (*))

138+import qualified Text.XML as X

139+import Text.XML.DOM.Parser

140+import Text.XML.ParentAttributes

141+import qualified Text.XML.Writer as XW

142+

143+

144+data XmlFieldPlural

145+ = XmlFieldPluralMandatory -- Occurs exactly 1 time (Identity)

146+ | XmlFieldPluralOptional -- Occurs 0 or 1 times (Maybe)

147+ | XmlFieldPluralRepeated -- Occurs 0 or more times (List)

148+ | XmlFieldPluralMultiplied -- Occurs 1 or more times (NonEmpty)

149+

150+data XmlAttributePlural

151+ = XmlAttributePluralMandatory -- Occurs exactly 1 time (Identity)

152+ | XmlAttributePluralOptional -- Occurs 0 or 1 times (Maybe)

153+

154+data PrefixName = PrefixName String String

155+

156+data IsoXmlDescPreField = IsoXmlDescPreField String TH.TypeQ

157+

158+data IsoXmlDescPreAttribute = IsoXmlDescPreAttribute String TH.TypeQ

159+

160+data IsoXmlDescField = IsoXmlDescField XmlFieldPlural String TH.TypeQ

161+

162+data IsoXmlDescAttribute = IsoXmlDescAttribute XmlAttributePlural String TH.TypeQ

163+

164+data IsoXmlDescRecordPart

165+ = IsoXmlDescRecordField IsoXmlDescField

166+ | IsoXmlDescRecordAttribute IsoXmlDescAttribute

167+

168+newtype IsoXmlDescRecord = IsoXmlDescRecord [IsoXmlDescRecordPart]

169+

170+makePrisms ''IsoXmlDescRecord

171+

172+data ExhaustivenessName = ExhaustivenessName String Exhaustiveness

173+

174+newtype IsoXmlDescEnumCon

175+ = IsoXmlDescEnumCon { unIsoXmlDescEnumCon :: String }

176+

177+instance IsString IsoXmlDescEnumCon where

178+ fromString = IsoXmlDescEnumCon

179+

180+data IsoXmlDescEnum = IsoXmlDescEnum [IsoXmlDescEnumCon]

181+

182+makePrisms ''IsoXmlDescEnum

183+

184+appendField

185+ :: XmlFieldPlural

186+ -> IsoXmlDescRecord

187+ -> IsoXmlDescPreField

188+ -> IsoXmlDescRecord

189+appendField plural xrec (IsoXmlDescPreField name ty) =

190+ let xfield = IsoXmlDescRecordField $ IsoXmlDescField plural name ty

191+ in over _IsoXmlDescRecord (xfield:) xrec

192+

193+appendAttribute

194+ :: XmlAttributePlural

195+ -> IsoXmlDescRecord

196+ -> IsoXmlDescPreAttribute

197+ -> IsoXmlDescRecord

198+appendAttribute plural xrec (IsoXmlDescPreAttribute name ty) =

199+ let xattribute = IsoXmlDescRecordAttribute $ IsoXmlDescAttribute plural name ty

200+ in over _IsoXmlDescRecord (xattribute:) xrec

201+

202+(!), (?), (*), (+) :: IsoXmlDescRecord -> IsoXmlDescPreField -> IsoXmlDescRecord

203+(!) = appendField XmlFieldPluralMandatory

204+(?) = appendField XmlFieldPluralOptional

205+(*) = appendField XmlFieldPluralRepeated

206+(+) = appendField XmlFieldPluralMultiplied

207+

208+(!%), (?%) :: IsoXmlDescRecord -> IsoXmlDescPreAttribute -> IsoXmlDescRecord

209+(!%) = appendAttribute XmlAttributePluralMandatory

210+(?%) = appendAttribute XmlAttributePluralOptional

211+

212+infixl 2 !

213+infixl 2 ?

214+infixl 2 *

215+infixl 2 +

216+infixl 2 !%

217+infixl 2 ?%

218+

219+appendEnumCon :: IsoXmlDescEnum -> IsoXmlDescEnumCon -> IsoXmlDescEnum

220+appendEnumCon xenum xenumcon =

221+ over _IsoXmlDescEnum (xenumcon:) xenum

222+

223+(&) :: IsoXmlDescEnum -> IsoXmlDescEnumCon -> IsoXmlDescEnum

224+(&) = appendEnumCon

225+

226+infixl 2 &

227+

228+class Description name desc | desc -> name where

229+ (=:=) :: name -> desc -> TH.DecsQ

230+

231+infix 0 =:=

232+

233+instance Description PrefixName IsoXmlDescRecord where

234+ prefixName =:= descRecord =

235+ let descRecordParts = descRecord ^. _IsoXmlDescRecord

236+ in isoXmlGenerateDatatype prefixName (reverse descRecordParts)

237+

238+record :: IsoXmlDescRecord

239+record = IsoXmlDescRecord []

240+

241+enum :: IsoXmlDescEnum

242+enum = IsoXmlDescEnum []

243+

244+instance Description ExhaustivenessName IsoXmlDescEnum where

245+ exhaustivenessName =:= descEnum =

246+ let descEnumCons = descEnum ^. _IsoXmlDescEnum

247+ in isoXmlGenerateEnum exhaustivenessName (reverse descEnumCons)

248+

249+instance IsString (TH.TypeQ -> IsoXmlDescPreField) where

250+ fromString = IsoXmlDescPreField

251+

252+instance IsString IsoXmlDescPreField where

253+ fromString name = IsoXmlDescPreField name ty

254+ where

255+ ty = (TH.conT . TH.mkName) ("Xml" ++ over _head C.toUpper name)

256+

257+instance IsString (TH.TypeQ -> IsoXmlDescPreAttribute) where

258+ fromString = IsoXmlDescPreAttribute

259+

260+instance IsString IsoXmlDescPreAttribute where

261+ fromString name = IsoXmlDescPreAttribute name ty

262+ where

263+ ty = (TH.conT . TH.mkName) ("Xml" ++ over _head C.toUpper name)

264+

265+instance s ~ String => IsString (s -> PrefixName) where

266+ fromString = PrefixName

267+

268+instance IsString PrefixName where

269+ fromString strName = PrefixName strName (makeNamePrefix strName)

270+

271+instance e ~ Exhaustiveness => IsString (e -> ExhaustivenessName) where

272+ fromString = ExhaustivenessName

273+

274+instance IsString ExhaustivenessName where

275+ fromString strName = ExhaustivenessName strName NonExhaustive

276+

277+makeNamePrefix :: String -> String

278+makeNamePrefix = map C.toLower . filter C.isUpper

279+

280+funSimple :: TH.Name -> TH.ExpQ -> TH.DecQ

281+funSimple name body = TH.funD name [ TH.clause [] (TH.normalB body) [] ]

282+

283+isoXmlGenerateEnum

284+ :: ExhaustivenessName -> [IsoXmlDescEnumCon] -> TH.DecsQ

285+isoXmlGenerateEnum (ExhaustivenessName strName' exh) enumCons = do

286+ let

287+ strName = "Xml" ++ strName'

288+ strVals = map unIsoXmlDescEnumCon enumCons

289+ enumDesc = EnumDesc exh strName strVals

290+ name = TH.mkName strName

291+ enumDecls <- enumGenerate enumDesc

292+ toXmlInst <- do

293+ TH.instanceD

294+ (return [])

295+ [t|XW.ToXML $(TH.conT name)|]

296+ [funSimple 'XW.toXML [e|XW.toXML . T.pack . show|]]

297+ toXmlAttributeInst <- do

298+ TH.instanceD

299+ (return [])

300+ [t|ToXmlAttribute $(TH.conT name)|]

301+ [funSimple 'toXmlAttribute [e|T.pack . show|]]

302+ fromDomInst <- do

303+ TH.instanceD

304+ (return [])

305+ [t|FromDom $(TH.conT name)|]

306+ [funSimple 'fromDom [e|parseContent readContent|]]

307+ fromAttributeInst <- do

308+ TH.instanceD

309+ (return [])

310+ [t|FromAttribute $(TH.conT name)|]

311+ [funSimple 'fromAttribute [e|readContent|]]

312+ return $ enumDecls ++ [toXmlInst, toXmlAttributeInst,

313+ fromDomInst, fromAttributeInst]

314+

315+isoXmlGenerateDatatype :: PrefixName -> [IsoXmlDescRecordPart] -> TH.DecsQ

316+isoXmlGenerateDatatype (PrefixName strName' strPrefix') descRecordParts = do

317+ let

318+ isNewtype = length descRecordParts == 1

319+ strName = "Xml" ++ strName'

320+ strPrefix = "x" ++ strPrefix'

321+ name = TH.mkName strName

322+ fieldName str = "_" ++ strPrefix ++ over _head C.toUpper str

323+ termDecl <- do

324+ let

325+ fields = do

326+ descRecordPart <- descRecordParts

327+ return $ case descRecordPart of

328+ IsoXmlDescRecordField descField ->

329+ let

330+ IsoXmlDescField fieldPlural fieldStrName fieldType = descField

331+ fName = TH.mkName (fieldName fieldStrName)

332+ fType = case fieldPlural of

333+ XmlFieldPluralMandatory -> fieldType

334+ XmlFieldPluralOptional -> [t| Maybe $fieldType |]

335+ XmlFieldPluralRepeated -> [t| [$fieldType] |]

336+ XmlFieldPluralMultiplied -> [t| NonEmpty $fieldType |]

337+ in if isNewtype

338+ then varStrictType fName (nonStrictType fType)

339+ else varStrictType fName (strictType fType)

340+ IsoXmlDescRecordAttribute descAttribute ->

341+ let

342+ IsoXmlDescAttribute

343+ attributePlural attributeStrName attributeType = descAttribute

344+ fName = TH.mkName (fieldName attributeStrName)

345+ fType = case attributePlural of

346+ XmlAttributePluralMandatory -> attributeType

347+ XmlAttributePluralOptional -> [t| Maybe $attributeType |]

348+ in if isNewtype

349+ then varStrictType fName (nonStrictType fType)

350+ else varStrictType fName (strictType fType)

351+ if isNewtype

352+ -- generate a newtype instead to do less allocations later

353+ then newtypeD name (TH.recC name fields) [''Eq, ''Show, ''Generic]

354+ else dataD name [TH.recC name fields] [''Eq, ''Show, ''Generic]

355+ lensDecls <- makeFieldOpticsForDec lensRules termDecl

356+ nfDataInst <- do

357+ TH.instanceD

358+ (return [])

359+ [t|NFData $(TH.conT name)|]

360+ [ ]

361+ fromDomInst <- do

362+ let

363+ exprHeader = [e|pure $(TH.conE name)|]

364+ exprRecordParts = do

365+ descRecordPart <- descRecordParts

366+ return $ case descRecordPart of

367+ IsoXmlDescRecordField descField ->

368+ let

369+ IsoXmlDescField fieldPlural fieldStrName _ = descField

370+ exprFieldStrName = TH.litE (TH.stringL fieldStrName)

371+ fieldParse = case fieldPlural of

372+ XmlFieldPluralMandatory -> [e|inElem|]

373+ _ -> [e|inElemTrav|]

374+ in

375+ [e|$fieldParse $exprFieldStrName fromDom|]

376+ IsoXmlDescRecordAttribute descAttribute ->

377+ let

378+ IsoXmlDescAttribute attributePlural attributeStrName _ = descAttribute

379+ exprAttributeStrName = TH.litE (TH.stringL attributeStrName)

380+ attributeParse = case attributePlural of

381+ XmlAttributePluralMandatory -> [e|parseAttribute|]

382+ XmlAttributePluralOptional -> [e|parseAttributeMaybe|]

383+ in

384+ [e|$attributeParse $exprAttributeStrName fromAttribute|]

385+ fromDomExpr = foldl (\e fe -> [e| $e <*> $fe |]) exprHeader exprRecordParts

386+ TH.instanceD

387+ (return [])

388+ [t|FromDom $(TH.conT name)|]

389+ [ funSimple 'fromDom fromDomExpr ]

390+

391+ toXmlInst <- do

392+ objName <- TH.newName strPrefix

393+ let

394+ exprFields = do

395+ descRecordPart <- descRecordParts

396+ IsoXmlDescField fieldPlural fieldStrName _ <-

397+ maybeToList $ case descRecordPart of

398+ IsoXmlDescRecordField descField -> Just descField

399+ _ -> Nothing

400+ let

401+ fName = TH.mkName (fieldName fieldStrName)

402+ exprFieldStrName = TH.litE (TH.stringL fieldStrName)

403+ exprForField = case fieldPlural of

404+ XmlFieldPluralMandatory -> [e|id|]

405+ _ -> [e|traverse|]

406+ exprFieldValue = [e|$(TH.varE fName) $(TH.varE objName)|]

407+ exprFieldRender =

408+ [e|(\a -> XW.elementA $exprFieldStrName (toXmlParentAttributes a) a)|]

409+ return [e|$exprForField $exprFieldRender $exprFieldValue|]

410+ toXmlExpr

411+ = TH.lamE [if null exprFields then TH.wildP else TH.varP objName]

412+ $ foldr (\fe e -> [e|$fe *> $e|]) [e|return ()|] exprFields

413+ TH.instanceD

414+ (return [])

415+ [t|XW.ToXML $(TH.conT name)|]

416+ [funSimple 'XW.toXML toXmlExpr]

417+

418+ toXmlParentAttributesInst <- do

419+ objName <- TH.newName strPrefix

420+ let

421+ exprAttributes = do

422+ descRecordPart <- descRecordParts

423+ IsoXmlDescAttribute attributePlural attributeStrName _ <-

424+ maybeToList $ case descRecordPart of

425+ IsoXmlDescRecordAttribute descAttribute -> Just descAttribute

426+ _ -> Nothing

427+ let

428+ fName = TH.mkName (fieldName attributeStrName)

429+ exprAttrStrName = TH.litE (TH.stringL attributeStrName)

430+ exprAttrValue = [e|$(TH.varE fName) $(TH.varE objName)|]

431+ exprAttrWrap = case attributePlural of

432+ XmlAttributePluralMandatory -> [e|Just . toXmlAttribute|]

433+ XmlAttributePluralOptional -> [e|fmap toXmlAttribute|]

434+ return [e|($exprAttrStrName, $exprAttrWrap $exprAttrValue)|]

435+ toXmlParentAttributesExpr

436+ = TH.lamE [if null exprAttributes then TH.wildP else TH.varP objName]

437+ $ [e|mapMaybe distribPair $(TH.listE exprAttributes)|]

438+#if __GLASGOW_HASKELL__ < 800

439+ TH.instanceD

440+#else

441+ TH.instanceWithOverlapD (Just TH.Overlapping)

442+#endif

443+ (return [])

444+ [t|ToXmlParentAttributes $(TH.conT name)|]

445+ [funSimple 'toXmlParentAttributes toXmlParentAttributesExpr]

446+

447+ return $ [termDecl] ++ lensDecls ++

448+ [fromDomInst, toXmlInst, toXmlParentAttributesInst, nfDataInst]

449+

450+distribPair :: Functor f => (a, f b) -> f (a, b)

451+distribPair (a, fb) = (a,) <$> fb

src/Data/THGen/XML/Internal.hsdeleted−457

@@ -1,457 +0,0 @@

1−{-# LANGUAGE CPP #-}

2−{-# LANGUAGE UndecidableInstances #-}

3−{-# LANGUAGE FunctionalDependencies #-}

4−

5−module Data.THGen.XML.Internal where

6−

7−import Control.DeepSeq

8−import Control.Lens hiding (repeated, enum, (&), Strict)

9−import Control.Lens.Internal.FieldTH (makeFieldOpticsForDec)

10−import qualified Data.Char as C

11−import Data.List.NonEmpty (NonEmpty)

12−import Data.Maybe (maybeToList, mapMaybe)

13−import Data.String

14−import Data.THGen.Compat as THC

15−import Data.THGen.Enum

16−import qualified Data.Text as T

17−import GHC.Generics (Generic)

18−import Language.Haskell.TH as TH hiding (Strict)

19−import Prelude hiding ((+), (*), (^))

20−import qualified Text.XML as X

21−import Text.XML.DOM.Parser hiding (parseContent)

22−import Text.XML.DOM.Parser.Internal.Content

23−import Text.XML.ParentAttributes

24−import qualified Text.XML.Writer as XW

25−

26−data ParserMode

27− = Strict

28− | Lenient

29−

30−data GenType

31− = Parser

32− | Generator

33− | ParserAndGenerator

34− | LenientParser

35− | LenientParserAndGenerator

36−

37−isLenientType :: GenType -> Bool

38−isLenientType = \case

39− LenientParser -> True

40− LenientParserAndGenerator -> True

41− _ -> False

42−

43−data XmlFieldPlural

44− = XmlFieldPluralMandatory -- Occurs exactly 1 time (Identity)

45− | XmlFieldPluralOptional -- Occurs 0 or 1 times (Maybe)

46− | XmlFieldPluralRepeated -- Occurs 0 or more times (List)

47− | XmlFieldPluralMultiplied -- Occurs 1 or more times (NonEmpty)

48−

49−data XmlAttributePlural

50− = XmlAttributePluralMandatory -- Occurs exactly 1 time (Identity)

51− | XmlAttributePluralOptional -- Occurs 0 or 1 times (Maybe)

52−

53−data PrefixName = PrefixName String String

54−

55−data IsoXmlDescPreField = IsoXmlDescPreField String TH.TypeQ

56−

57−data IsoXmlDescPreAttribute = IsoXmlDescPreAttribute String TH.TypeQ

58−

59−data IsoXmlDescPreContent = IsoXmlDescPreContent String TH.TypeQ

60−

61−data IsoXmlDescField = IsoXmlDescField XmlFieldPlural String TH.TypeQ

62−

63−data IsoXmlDescAttribute = IsoXmlDescAttribute XmlAttributePlural String TH.TypeQ

64−

65−data IsoXmlDescContent = IsoXmlDescContent String TH.TypeQ

66−

67−data IsoXmlDescRecordPart

68− = IsoXmlDescRecordField IsoXmlDescField

69− | IsoXmlDescRecordAttribute IsoXmlDescAttribute

70− | IsoXmlDescRecordContent IsoXmlDescContent

71−

72−data IsoXmlDescRecord = IsoXmlDescRecord GenType [IsoXmlDescRecordPart]

73−

74−makePrisms ''IsoXmlDescRecord

75−

76−data ExhaustivenessName = ExhaustivenessName String Exhaustiveness

77−

78−newtype IsoXmlDescEnumCon

79− = IsoXmlDescEnumCon { unIsoXmlDescEnumCon :: String }

80−

81−instance IsString IsoXmlDescEnumCon where

82− fromString = IsoXmlDescEnumCon

83−

84−data IsoXmlDescEnum = IsoXmlDescEnum GenType [IsoXmlDescEnumCon]

85−

86−makePrisms ''IsoXmlDescEnum

87−

88−appendField

89− :: XmlFieldPlural

90− -> IsoXmlDescRecord

91− -> IsoXmlDescPreField

92− -> IsoXmlDescRecord

93−appendField plural (IsoXmlDescRecord genType fields) (IsoXmlDescPreField name ty) =

94− let xfield = IsoXmlDescRecordField $ IsoXmlDescField plural name ty

95− in IsoXmlDescRecord genType (xfield:fields)

96−

97−appendAttribute

98− :: XmlAttributePlural

99− -> IsoXmlDescRecord

100− -> IsoXmlDescPreAttribute

101− -> IsoXmlDescRecord

102−appendAttribute plural (IsoXmlDescRecord genType fields) (IsoXmlDescPreAttribute name ty) =

103− let xattribute = IsoXmlDescRecordAttribute $ IsoXmlDescAttribute plural name ty

104− in IsoXmlDescRecord genType (xattribute:fields)

105−

106−appendContent

107− :: IsoXmlDescRecord

108− -> IsoXmlDescPreContent

109− -> IsoXmlDescRecord

110−appendContent (IsoXmlDescRecord genType fields) (IsoXmlDescPreContent name ty) =

111− let xcontent = IsoXmlDescRecordContent $ IsoXmlDescContent name ty

112− in IsoXmlDescRecord genType (xcontent:fields)

113−

114−(!), (?), (*), (+) :: IsoXmlDescRecord -> IsoXmlDescPreField -> IsoXmlDescRecord

115−(!) = appendField XmlFieldPluralMandatory

116−(?) = appendField XmlFieldPluralOptional

117−(*) = appendField XmlFieldPluralRepeated

118−(+) = appendField XmlFieldPluralMultiplied

119−

120−(!%), (?%) :: IsoXmlDescRecord -> IsoXmlDescPreAttribute -> IsoXmlDescRecord

121−(!%) = appendAttribute XmlAttributePluralMandatory

122−(?%) = appendAttribute XmlAttributePluralOptional

123−

124−(^) :: IsoXmlDescRecord -> IsoXmlDescPreContent -> IsoXmlDescRecord

125−(^) = appendContent

126−

127−infixl 2 !

128−infixl 2 ?

129−infixl 2 *

130−infixl 2 +

131−infixl 2 !%

132−infixl 2 ?%

133−infixl 2 ^

134−

135−appendEnumCon :: IsoXmlDescEnum -> IsoXmlDescEnumCon -> IsoXmlDescEnum

136−appendEnumCon (IsoXmlDescEnum genType enumCons) xenumcon =

137− IsoXmlDescEnum genType (xenumcon:enumCons)

138−

139−(&) :: IsoXmlDescEnum -> IsoXmlDescEnumCon -> IsoXmlDescEnum

140−(&) = appendEnumCon

141−

142−infixl 2 &

143−

144−class Description name desc | desc -> name where

145− (=:=) :: name -> desc -> TH.DecsQ

146−

147−infix 0 =:=

148−

149−instance Description PrefixName IsoXmlDescRecord where

150− prefixName =:= (IsoXmlDescRecord genType descRecordParts) =

151− isoXmlGenerateDatatype genType prefixName (reverse descRecordParts)

152−

153−record :: GenType -> IsoXmlDescRecord

154−record gt = IsoXmlDescRecord gt []

155−

156−enum :: GenType -> IsoXmlDescEnum

157−enum gt = IsoXmlDescEnum gt []

158−

159−instance Description ExhaustivenessName IsoXmlDescEnum where

160− exhaustivenessName =:= (IsoXmlDescEnum genType descEnumCons) =

161− isoXmlGenerateEnum genType exhaustivenessName (reverse descEnumCons)

162−

163−instance (m ~ Q) => IsString (m TH.Type -> IsoXmlDescPreField) where

164− fromString = IsoXmlDescPreField

165−

166−instance IsString IsoXmlDescPreField where

167− fromString name = IsoXmlDescPreField name ty

168− where

169− ty = (TH.conT . TH.mkName) ("Xml" ++ over _head C.toUpper (xmlLocalName name))

170−

171−instance (m ~ Q) => IsString (m TH.Type -> IsoXmlDescPreAttribute) where

172− fromString = IsoXmlDescPreAttribute

173−

174−instance (m ~ Q) => IsString (m Type -> IsoXmlDescPreContent) where

175− fromString = IsoXmlDescPreContent

176−

177−instance IsString IsoXmlDescPreAttribute where

178− fromString name = IsoXmlDescPreAttribute name ty

179− where

180− ty = (TH.conT . TH.mkName) ("Xml" ++ over _head C.toUpper name)

181−

182−instance IsString IsoXmlDescPreContent where

183− fromString name = IsoXmlDescPreContent name ty

184− where

185− ty = (TH.conT . TH.mkName) ("Xml" ++ over _head C.toUpper name)

186−

187−instance s ~ String => IsString (s -> PrefixName) where

188− fromString = PrefixName

189−

190−instance IsString PrefixName where

191− fromString strName = PrefixName strName (makeNamePrefix strName)

192−

193−instance e ~ Exhaustiveness => IsString (e -> ExhaustivenessName) where

194− fromString = ExhaustivenessName

195−

196−instance IsString ExhaustivenessName where

197− fromString strName = ExhaustivenessName strName NonExhaustive

198−

199−makeNamePrefix :: String -> String

200−makeNamePrefix = map C.toLower . filter (\c -> C.isUpper c || C.isDigit c)

201−

202−funSimple :: TH.Name -> TH.ExpQ -> TH.DecQ

203−funSimple name body = TH.funD name [ TH.clause [] (TH.normalB body) [] ]

204−

205−isoXmlGenerateEnum

206− :: GenType

207− -> ExhaustivenessName

208− -> [IsoXmlDescEnumCon]

209− -> TH.DecsQ

210−isoXmlGenerateEnum genType (ExhaustivenessName strName' exh) enumCons = do

211− let

212− strName = "Xml" ++ strName'

213− strVals = map unIsoXmlDescEnumCon enumCons

214− enumDesc = EnumDesc exh strName strVals

215− name = TH.mkName strName

216− enumDecls <- enumGenerate enumDesc

217− let

218− genToXmlInst = do

219− TH.instanceD

220− (return [])

221− [t|XW.ToXML $(TH.conT name)|]

222− [funSimple 'XW.toXML [e|XW.toXML . T.pack . show|]]

223− genToXmlAttributeInst = do

224− TH.instanceD

225− (return [])

226− [t|ToXmlAttribute $(TH.conT name)|]

227− [funSimple 'toXmlAttribute [e|T.pack . show|]]

228− genFromDomInst mode = do

229− TH.instanceD

230− (return [])

231− [t|FromDom $(TH.conT name)|]

232− [case mode of

233− Strict -> funSimple 'fromDom [e|parseContent readContent|]

234− Lenient -> funSimple 'fromDom [e|ignoreBlank $ parseContent readContent|]

235− ]

236− genFromAttributeInst = do

237− TH.instanceD

238− (return [])

239− [t|FromAttribute $(TH.conT name)|]

240− [funSimple 'fromAttribute [e|readContent|]]

241− case genType of

242− Generator -> do

243− toXmlInst <- genToXmlInst

244− toXmlAttributeInst <- genToXmlAttributeInst

245− return $ enumDecls ++ [toXmlInst, toXmlAttributeInst]

246− Parser -> do

247− fromDomInst <- genFromDomInst Strict

248− fromAttributeInst <- genFromAttributeInst

249− return $ enumDecls ++ [fromDomInst, fromAttributeInst]

250− LenientParser -> do

251− fromDomInst <- genFromDomInst Lenient

252− fromAttributeInst <- genFromAttributeInst

253− return $ enumDecls ++ [fromDomInst, fromAttributeInst]

254− ParserAndGenerator -> do

255− toXmlInst <- genToXmlInst

256− toXmlAttributeInst <- genToXmlAttributeInst

257− fromDomInst <- genFromDomInst Strict

258− fromAttributeInst <- genFromAttributeInst

259− return $ enumDecls ++ [toXmlInst, toXmlAttributeInst,

260− fromDomInst, fromAttributeInst]

261− LenientParserAndGenerator -> do

262− toXmlInst <- genToXmlInst

263− toXmlAttributeInst <- genToXmlAttributeInst

264− fromDomInst <- genFromDomInst Lenient

265− fromAttributeInst <- genFromAttributeInst

266− return $ enumDecls ++ [toXmlInst, toXmlAttributeInst,

267− fromDomInst, fromAttributeInst]

268−

269−isoXmlGenerateDatatype :: GenType -> PrefixName -> [IsoXmlDescRecordPart] -> TH.DecsQ

270−isoXmlGenerateDatatype genType (PrefixName strName' strPrefix') descRecordParts = do

271− let

272− isNewtype = length descRecordParts == 1

273− strName = "Xml" ++ strName'

274− strPrefix = "x" ++ strPrefix'

275− name = TH.mkName strName

276− fieldName str = "_" ++ strPrefix ++ over _head C.toUpper str

277− termDecl <- do

278− let

279− fields = do

280− descRecordPart <- descRecordParts

281− return $ case descRecordPart of

282− IsoXmlDescRecordField descField ->

283− let

284− IsoXmlDescField fieldPlural rawName fieldType = descField

285− fieldStrName = xmlLocalName rawName

286− fName = TH.mkName (fieldName fieldStrName)

287− fType' = case fieldPlural of

288− XmlFieldPluralMandatory -> fieldType

289− XmlFieldPluralOptional -> [t| Maybe $fieldType |]

290− XmlFieldPluralRepeated -> [t| [$fieldType] |]

291− XmlFieldPluralMultiplied -> [t| NonEmpty $fieldType |]

292− fType = if isLenientType genType

293− then [t| Maybe $fType' |]

294− else fType'

295− in if isNewtype

296− then THC.varStrictType fName (THC.nonStrictType fType)

297− else THC.varStrictType fName (THC.strictType fType)

298− IsoXmlDescRecordAttribute descAttribute ->

299− let

300− IsoXmlDescAttribute

301− attributePlural attributeStrName attributeType = descAttribute

302− fName = TH.mkName (fieldName attributeStrName)

303− fType = case attributePlural of

304− XmlAttributePluralMandatory -> attributeType

305− XmlAttributePluralOptional -> [t| Maybe $attributeType |]

306− in if isNewtype

307− then THC.varStrictType fName (THC.nonStrictType fType)

308− else THC.varStrictType fName (THC.strictType fType)

309− IsoXmlDescRecordContent descContent ->

310− let

311− IsoXmlDescContent contentStrName contentType = descContent

312− fName = TH.mkName (fieldName contentStrName)

313− fType = contentType

314− in if isNewtype

315− then THC.varStrictType fName (THC.nonStrictType fType)

316− else THC.varStrictType fName (THC.strictType fType)

317− if isNewtype

318− -- generate a newtype instead to do less allocations later

319− then THC.newtypeD name (TH.recC name fields) [''Eq, ''Show, ''Generic]

320− else THC.dataD name [TH.recC name fields] [''Eq, ''Show, ''Generic]

321− lensDecls <- makeFieldOpticsForDec lensRules termDecl

322− nfDataInst <- do

323− TH.instanceD

324− (return [])

325− [t|NFData $(TH.conT name)|]

326− [ ]

327−

328− let

329− genFromDomInst mode = do

330− let

331− exprHeader = [e|pure $(TH.conE name)|]

332− exprRecordParts = do

333− descRecordPart <- descRecordParts

334− return $ case descRecordPart of

335− IsoXmlDescRecordField descField ->

336− let

337− IsoXmlDescField fieldPlural rawName _ = descField

338− fieldStrName = xmlLocalName rawName

339− exprFieldStrName = TH.litE (TH.stringL fieldStrName)

340− fieldParse = case fieldPlural of

341− XmlFieldPluralMandatory -> [e|inElem|]

342− _ -> [e|inElemTrav|]

343− in case mode of

344− Strict -> [e|$fieldParse $exprFieldStrName fromDom|]

345− Lenient -> [e|$fieldParse $exprFieldStrName (ignoreBlank fromDom)|]

346− IsoXmlDescRecordAttribute descAttribute ->

347− let

348− IsoXmlDescAttribute attributePlural attributeStrName _ = descAttribute

349− exprAttributeStrName = TH.litE (TH.stringL attributeStrName)

350− attributeParse = case attributePlural of

351− XmlAttributePluralMandatory -> [e|parseAttribute|]

352− XmlAttributePluralOptional -> [e|parseAttributeMaybe|]

353− in

354− [e|$attributeParse $exprAttributeStrName fromAttribute|]

355− IsoXmlDescRecordContent _ -> [e|parseContent fromAttribute|]

356− fromDomExpr = foldl (\e fe -> [e| $e <*> $fe |]) exprHeader exprRecordParts

357− TH.instanceD

358− (return [])

359− [t|FromDom $(TH.conT name)|]

360− [ funSimple 'fromDom fromDomExpr ]

361−

362− genToXmlInst = do

363− objName <- TH.newName strPrefix

364− let

365− exprFields = do

366− descRecordPart <- descRecordParts

367− case descRecordPart of

368− IsoXmlDescRecordField (IsoXmlDescField fieldPlural rawName _) -> do

369− let

370− fieldStrName = xmlLocalName rawName

371− fName = TH.mkName (fieldName fieldStrName)

372− exprFieldStrName = TH.litE (TH.stringL rawName)

373− exprForField = case fieldPlural of

374− XmlFieldPluralMandatory -> [e|id|]

375− _ -> [e|traverse|]

376− exprFieldValue = [e|$(TH.varE fName) $(TH.varE objName)|]

377− exprFieldRender =

378− [e|(\a ->

379− XW.elementA $exprFieldStrName (toXmlParentAttributes a) a)|]

380− return [e|$exprForField $exprFieldRender $exprFieldValue|]

381− IsoXmlDescRecordContent (IsoXmlDescContent rawName _) -> do

382− let

383− fieldStrName = xmlLocalName rawName

384− fName = TH.mkName (fieldName fieldStrName)

385− exprFieldValue = [e|$(TH.varE fName) $(TH.varE objName)|]

386− return [e|XW.content . toXmlAttribute $ $exprFieldValue|]

387− _ -> []

388− toXmlExpr

389− = TH.lamE [if null exprFields then TH.wildP else TH.varP objName]

390− $ foldr (\fe e -> [e|$fe *> $e|]) [e|return ()|] exprFields

391− TH.instanceD

392− (return [])

393− [t|XW.ToXML $(TH.conT name)|]

394− [funSimple 'XW.toXML toXmlExpr]

395− genToXmlParentAttributeInst = do

396− objName <- TH.newName strPrefix

397− let

398− exprAttributes = do

399− descRecordPart <- descRecordParts

400− IsoXmlDescAttribute attributePlural attributeStrName _ <-

401− maybeToList $ case descRecordPart of

402− IsoXmlDescRecordAttribute descAttribute -> Just descAttribute

403− _ -> Nothing

404− let

405− fName = TH.mkName (fieldName attributeStrName)

406− exprAttrStrName = TH.litE (TH.stringL attributeStrName)

407− exprAttrValue = [e|$(TH.varE fName) $(TH.varE objName)|]

408− exprAttrWrap = case attributePlural of

409− XmlAttributePluralMandatory -> [e|Just . toXmlAttribute|]

410− XmlAttributePluralOptional -> [e|fmap toXmlAttribute|]

411− return [e|($exprAttrStrName, $exprAttrWrap $exprAttrValue)|]

412− toXmlParentAttributesExpr

413− = TH.lamE [if null exprAttributes then TH.wildP else TH.varP objName]

414− $ [e|mapMaybe distribPair $(TH.listE exprAttributes)|]

415−#if __GLASGOW_HASKELL__ < 800

416− TH.instanceD

417−#else

418− TH.instanceWithOverlapD (Just TH.Overlapping)

419−#endif

420− (return [])

421− [t|ToXmlParentAttributes $(TH.conT name)|]

422− [funSimple 'toXmlParentAttributes toXmlParentAttributesExpr]

423−

424− case genType of

425− Generator -> do

426− toXmlInst <- genToXmlInst

427− toXmlParentAttributesInst <- genToXmlParentAttributeInst

428− return $ [termDecl] ++ lensDecls ++

429− [toXmlInst, toXmlParentAttributesInst, nfDataInst]

430− Parser -> do

431− fromDomInst <- genFromDomInst Strict

432− return $ [termDecl] ++ lensDecls ++ [fromDomInst, nfDataInst]

433− LenientParser -> do

434− fromDomInst <- genFromDomInst Lenient

435− return $ [termDecl] ++ lensDecls ++ [fromDomInst, nfDataInst]

436− ParserAndGenerator -> do

437− toXmlInst <- genToXmlInst

438− toXmlParentAttributesInst <- genToXmlParentAttributeInst

439− fromDomInst <- genFromDomInst Strict

440− return $ [termDecl] ++ lensDecls ++

441− [fromDomInst, toXmlInst, toXmlParentAttributesInst, nfDataInst]

442− LenientParserAndGenerator -> do

443− toXmlInst <- genToXmlInst

444− toXmlParentAttributesInst <- genToXmlParentAttributeInst

445− fromDomInst <- genFromDomInst Lenient

446− return $ [termDecl] ++ lensDecls ++

447− [fromDomInst, toXmlInst, toXmlParentAttributesInst, nfDataInst]

448−

449−distribPair :: Functor f => (a, f b) -> f (a, b)

450−distribPair (a, fb) = (a,) <$> fb

451−

452−-- | Get a local part of (possibly) fully qualified 'X.Name':

453−--

454−-- >>> xmlLocalName "{http://example.com/ns/my-namespace}my-name"

455−-- "my-name"

456−xmlLocalName :: String -> String

457−xmlLocalName = T.unpack . X.nameLocalName . fromString

src/Text/XML/DOM/Parser/Internal/Content.hsdeleted−28

@@ -1,28 +0,0 @@

1−{-# LANGUAGE OverloadedStrings #-}

2−module Text.XML.DOM.Parser.Internal.Content where

3−import Control.Lens

4−import Control.Monad.Reader

5−import Data.Text as T

6−import Text.XML

7−import Text.XML.DOM.Parser hiding (getCurrentContent, parseContent)

8−

9−-- Get current content. If there are more than one content

10−-- they are intercalate with space like in xpath `text()`

11−--

12−getCurrentContent :: (Monad m) => DomParserT Identity m Text

13−getCurrentContent

14− = T.intercalate " "

15− . (\e -> [T.strip cs| (NodeContent cs) <- e])

16− . elementNodes

17− . runIdentity

18− . _pdElements

19− <$> ask

20−

21−parseContent

22− :: (Monad m)

23− => (Text -> Either Text a)

24− -- ^ Content parser, return error msg if value is not parsed

25− -> DomParserT Identity m a

26−parseContent parse

27− = getCurrentContent

28− >>= either (throwParserError . PEContentWrongFormat) return . parse

src/Text/XML/Nillable.hsdeleted−41

@@ -1,41 +0,0 @@

1−{-# LANGUAGE MonoLocalBinds #-}

2−{-# LANGUAGE OverloadedStrings #-}

3−

4−module Text.XML.Nillable where

5−

6−import Control.DeepSeq

7−import Control.Lens

8−import Text.XML.DOM.Parser

9−import Text.XML.ParentAttributes

10−import Text.XML.Writer

11−

12−-- | Type that can have explicit null value

13−--

14−-- Null value is indicated by "nil"="true" attribute.

15−newtype Nillable a = Nillable (Maybe a)

16− deriving

17− ( Eq, Show, Ord, Read, NFData, ToXML

18− , Functor, Applicative, Monad, Foldable, Traversable)

19−

20−_Nillable :: Prism' (Nillable a) a

21−_Nillable = coerced . _Just

22−

23−nNill :: Nillable a

24−nNill = Nillable Nothing

25−

26−nJust :: a -> Nillable a

27−nJust = Nillable . Just

28−

29−instance ToXmlParentAttributes a => ToXmlParentAttributes (Nillable a) where

30− toXmlParentAttributes (Nillable Nothing) =

31− [("{http://www.w3.org/2001/XMLSchema-instance}nil", "true")]

32− toXmlParentAttributes (Nillable (Just a)) = toXmlParentAttributes a

33−

34−instance FromDom a => FromDom (Nillable a) where

35− fromDom = do

36− nil <- parseAttributeMaybe

37− (matchName "{http://www.w3.org/2001/XMLSchema-instance}nil")

38− Right

39− case nil of

40− Just "true" -> return (Nillable Nothing)

41− _ -> Nillable . Just <$> fromDom

stack-18.18.yamldeleted−9

@@ -1,9 +0,0 @@

1−nix:

2− packages:

3− - zlib

4−

5−resolver: lts-18.18

6−extra-deps:

7−- git: https://github.com/typeable/dom-parser.git

8− commit: 7d556ba528bfa216e99714f8a0d4d00f452803a9

9−- xml-lens-0.3.1

stack-19.6.yamldeleted−9

@@ -1,9 +0,0 @@

1−nix:

2− packages:

3− - zlib

4−

5−resolver: lts-19.6

6−extra-deps:

7−- git: https://github.com/typeable/dom-parser.git

8− commit: 7d556ba528bfa216e99714f8a0d4d00f452803a9

9−- xml-lens-0.3.1

stack.yaml+6−7

@@ -1,9 +1,8 @@

1−nix:

1+resolver: lts-6.35

2− packages:

3+packages:

3− - zlib

4+- .

5−resolver: lts-20.16

6extra-deps:

7− - git: https://github.com/typeable/dom-parser.git

7+- dom-parser-3.0.0

8− commit: 7d556ba528bfa216e99714f8a0d4d00f452803a9

8+- generic-arbitrary-0.1.0

9− - xml-lens-0.3.1

test/TestDefs.hs+6−7

@@ -4,16 +4,16 @@

5module TestDefs where

7−-- import Data.List.NonEmpty

7+import Data.List.NonEmpty

8import Data.THGen.XML

9import Test.QuickCheck.Arbitrary.Generic

10import Test.QuickCheck.Instances ()

12−"Bar" =:= enum ParserAndGenerator

12+"Bar" =:= enum

13 & "baroque"

14 & "bartender"

16−"Quux" Exhaustive =:= enum ParserAndGenerator

16+"Quux" Exhaustive =:= enum

17 & "ALL"

18 & "YOUR"

19 & "BASE"

@@ -22,15 +22,14 @@ import Test.QuickCheck.Instances ()

22 & "TO"

23 & "US"

25−"Foo" =:= record ParserAndGenerator

25+"Foo" =:= record

26− ^ "Shmuux" [t|XmlQuux|]

27 + "Bar"

26 + "Bar"

28 ? "Baz" [t|Text|]

27 ? "Baz" [t|Text|]

29 !% "Quux"

28 !% "Quux"

30 ?% "Muux" [t|XmlQuux|]

29 ?% "Muux" [t|XmlQuux|]

32−"Root" =:= record ParserAndGenerator

31+"Root" =:= record

33− ! "{http://example.com/ns/my-namespace}Foo"

32+ ! "Foo"

35instance Arbitrary XmlRoot where

34instance Arbitrary XmlRoot where

36 arbitrary = genericArbitrary

35 arbitrary = genericArbitrary

xml-isogen.cabal+2−12

@@ -1,5 +1,5 @@

1name: xml-isogen

2−version: 0.3.2

2+version: 0.2.1

3synopsis: Generate XML-isomorphic types

4description:

5 TemplateHaskell generators for XML-isomorphic data types, including

@@ -18,8 +18,7 @@ cabal-version: >=1.22

18homepage: https://github.com/typeable/xml-isogen

19tested-with: GHC == 7.10.3

20 , GHC == 8.0.2

21− , GHC == 8.2.2

21+ , GHC == 8.2.1

22− , GHC == 8.4.1

23extra-source-files: CHANGELOG.md

22extra-source-files: CHANGELOG.md

24 , README.md

23 , README.md

@@ -30,34 +29,25 @@ source-repository head

30library

29library

31 exposed-modules: Data.THGen.Enum

30 exposed-modules: Data.THGen.Enum

32 , Data.THGen.XML

31 , Data.THGen.XML

33− , Data.THGen.XML.Internal

34 , Text.XML.ParentAttributes

32 , Text.XML.ParentAttributes

35− , Text.XML.Nillable

36 other-modules: Data.THGen.Compat

33 other-modules: Data.THGen.Compat

37− , Data.THGen.Orphans

38− , Text.XML.DOM.Parser.Internal.Content

39 build-depends: QuickCheck >= 2.8

34 build-depends: QuickCheck >= 2.8

40 , base >=4.8 && <5

35 , base >=4.8 && <5

41 , dom-parser >= 2.0.0

36 , dom-parser >= 2.0.0

42 , deepseq

37 , deepseq

43 , lens >= 4.13

38 , lens >= 4.13

44 , mtl >= 2.2

39 , mtl >= 2.2

45− , scientific

46 , semigroups >= 0.18

40 , semigroups >= 0.18

47 , template-haskell >= 2.10

41 , template-haskell >= 2.10

48 , text >= 1.2

42 , text >= 1.2

49 , xml-conduit >= 1.0

43 , xml-conduit >= 1.0

50 , xml-conduit-writer >= 0.1

44 , xml-conduit-writer >= 0.1

52− ghc-options: -Wall

53−

54 hs-source-dirs: src

46 hs-source-dirs: src

56 default-language: Haskell2010

48 default-language: Haskell2010

57 default-extensions: CPP

49 default-extensions: CPP

58− , DeriveTraversable

59 , FlexibleInstances

50 , FlexibleInstances

60− , GeneralizedNewtypeDeriving

61 , LambdaCase

51 , LambdaCase

62 , TemplateHaskell

52 , TemplateHaskell

63 , TupleSections

53 , TupleSections