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{-# LANGUAGE OverloadedStrings #-}
module Text.Edifact.Scaffolder.Segments
( segments
) where
import Text.Edifact.Scaffolder.Commons
import Text.Edifact.Scaffolder.Segments.Dependencies
import Text.Edifact.Scaffolder.Segments.Elements
import Text.Edifact.Scaffolder.Segments.Implementation
import Text.Edifact.Scaffolder.Segments.Specification
import Text.Edifact.Scaffolder.Segments.Types
import Data.List.NonEmpty (nubBy)
import Formatting
segments :: Scaffolding ()
segments = listSegments >>= scaffoldElements parentSegmentModule segmentModule
parentSegmentModule :: NonEmpty (ElementWithDefinition SegmentCode) -> Scaffolding ()
parentSegmentModule = parentModule "Segments" "S" segmentModuleName
segmentModuleName :: ModuleName -> SegmentCode -> ModuleName
segmentModuleName mn code = mn <.> fromString (getSegmentCode code)
segmentModule :: ElementWithDefinition SegmentCode -> Scaffolding ()
segmentModule (inputFile, code) = do
moduleName <- getRootModuleNameFor (segmentModuleName "Segments" code)
dependencies <- scanDependencies inputFile (snd <$> specificationParser)
specification <- includeSpecification inputFile
let parserFunction = fSegmentParserFunction
fDescription = "Segment " % fSegmentCode
parserNotYetImplemented = sformat (notYetImplemented fDescription) code
defaultImplementation = haskellList [ parserNotYetImplemented ]
elements = sort . nubBy (\a b -> getCode a == getCode b) . fmap dependencyElement <$> dependencies
implementation = maybe defaultImplementation toImplementation dependencies
buildDependencies b = fromMaybe [] <$> traverse b elements
dependenciesReexports <- buildDependencies mkDependenciesReexports
dependenciesImports <- buildDependencies mkDependenciesImports
dependenciesHaddock <- buildDependencies mkDependenciesHaddock
let exports = Comment "* Definition"
: Name (sformat parserFunction code)
: dependenciesReexports
imports = dependenciesImports
<> [ importCombinators ]
<> maybe [ importNotYetImplementedHelper ] (const []) dependencies
documentation = specification <> dependenciesHaddock
signature = sformat (fParserSignature parserFunction) code
definition = [ sformat (fParserDeclaration parserFunction) code
, indent (sformat ("segment " % quoted fSegmentCode) code)
] <> (indent . indent <$> implementation)
parser = signature : definition
scaffoldModule moduleName ["OverloadedStrings"] exports imports (documentation <> parser)
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