{-# LANGUAGE DeriveDataTypeable #-}

{- |

Module : $Header$

Copyright : (c) Felix Gabriel Mance

License : GPLv2 or higher, see LICENSE.txt

Maintainer : f.mance@jacobs-university.de

Stability : provisional

Portability : portable

Datatypes specific to the Manchester Syntax of OWL 2

References : <http://www.w3.org/TR/owl2-manchester-syntax/>

-}

module OWL2.MS where

import Common.Id

import OWL2.AS

import Data.Data

import qualified Data.Map as Map

import qualified Data.Set as Set

{- | annotions are annotedAnnotationList that must be preceded by the keyword

@Annotations:@ if non-empty -}

type Annotations = [Annotation]

type AnnotatedList a = [(Annotations, a)]

-- | this datatype extends the Manchester Syntax to also allow GCIs

data Extended =

Misc Annotations

| ClassEntity ClassExpression

| ObjectEntity ObjectPropertyExpression

| SimpleEntity Entity

deriving (Show, Eq, Ord, Typeable, Data)

-- | frames with annotated lists

data ListFrameBit =

AnnotationBit (AnnotatedList AnnotationProperty) -- relation

| ExpressionBit (AnnotatedList ClassExpression) -- relation

| ObjectBit (AnnotatedList ObjectPropertyExpression) -- relation

| DataBit (AnnotatedList DataPropertyExpression) -- relation

| IndividualSameOrDifferent (AnnotatedList Individual) -- relation

| ObjectCharacteristics (AnnotatedList Character)

| DataPropRange (AnnotatedList DataRange)

| IndividualFacts (AnnotatedList Fact)

deriving (Show, Eq, Ord, Typeable, Data)

data AnnoType = Declaration | Assertion | XmlError String

deriving (Show, Eq, Ord, Typeable, Data)

-- | frames which start with annotations

data AnnFrameBit =

AnnotationFrameBit AnnoType

| DataFunctional

| DatatypeBit DataRange

| ClassDisjointUnion [ClassExpression]

| ClassHasKey [ObjectPropertyExpression] [DataPropertyExpression]

| ObjectSubPropertyChain [ObjectPropertyExpression]

deriving (Show, Eq, Ord, Typeable, Data)

data Fact =

ObjectPropertyFact PositiveOrNegative ObjectPropertyExpression Individual

| DataPropertyFact PositiveOrNegative DataPropertyExpression Literal

deriving (Show, Eq, Ord, Typeable, Data)

data FrameBit =

ListFrameBit (Maybe Relation) ListFrameBit

| AnnFrameBit Annotations AnnFrameBit

deriving (Show, Eq, Ord, Typeable, Data)

data Frame = Frame Extended [FrameBit]

deriving (Show, Eq, Ord, Typeable, Data)

data Axiom = PlainAxiom

{ axiomTopic :: Extended -- the Class or Individual

, axiomBit :: FrameBit -- the property expressed by the sentence

} deriving (Show, Eq, Ord, Typeable, Data)

{-

Individual: alex <------ axiomTopic

Facts: hasParent john <------ axiomBit

-}

mkExtendedEntity :: Entity -> Extended

mkExtendedEntity e@(Entity ty iri) = case ty of

Class -> ClassEntity $ Expression iri

ObjectProperty -> ObjectEntity $ ObjectProp iri

_ -> SimpleEntity e

getAxioms :: Frame -> [Axiom]

getAxioms (Frame e fbl) = map (PlainAxiom e) fbl

axToFrame :: Axiom -> Frame

axToFrame (PlainAxiom e fb) = Frame e [fb]

instance GetRange Axiom where

getRange = Range . joinRanges . map rangeSpan . Set.toList . symsOfAxiom

data Ontology = Ontology

{ name :: OntologyIRI

, imports :: [ImportIRI]

, ann :: [Annotations]

, ontFrames :: [Frame]

} deriving (Show, Eq, Ord, Typeable, Data)

data OntologyDocument = OntologyDocument

{ prefixDeclaration :: PrefixMap

, ontology :: Ontology

} deriving (Show, Eq, Ord, Typeable, Data)

instance GetRange OntologyDocument

emptyOntology :: [Frame] -> Ontology

emptyOntology = Ontology nullQName [] []

emptyOntologyDoc :: OntologyDocument

emptyOntologyDoc = OntologyDocument Map.empty $ emptyOntology []

isEmptyOntology :: Ontology -> Bool

isEmptyOntology (Ontology oiri annoList impList fs) = isNullQName oiri

&& null annoList && null impList && null fs

isEmptyOntologyDoc :: OntologyDocument -> Bool

isEmptyOntologyDoc (OntologyDocument ns onto) =

Map.null ns && isEmptyOntology onto

emptyAnnoList :: [a] -> AnnotatedList a

emptyAnnoList = map $ \ x -> ([], x)

symsOfAxiom :: Axiom -> Set.Set Entity

symsOfAxiom (PlainAxiom e f) = Set.union (symsOfExtended e) $ symsOfFrameBit f

symsOfExtended :: Extended -> Set.Set Entity

symsOfExtended e = case e of

Misc as -> symsOfAnnotations as

SimpleEntity s -> Set.singleton s

ObjectEntity o -> symsOfObjectPropertyExpression o

ClassEntity c -> symsOfClassExpression c

symsOfObjectPropertyExpression :: ObjectPropertyExpression -> Set.Set Entity

symsOfObjectPropertyExpression o = case o of

ObjectProp i -> Set.singleton $ Entity ObjectProperty i

ObjectInverseOf i -> symsOfObjectPropertyExpression i

symsOfClassExpression :: ClassExpression -> Set.Set Entity

symsOfClassExpression ce = case ce of

Expression c -> Set.singleton $ Entity Class c

ObjectJunction _ cs -> Set.unions $ map symsOfClassExpression cs

ObjectComplementOf c -> symsOfClassExpression c

ObjectOneOf is -> Set.fromList $ map (Entity NamedIndividual) is

ObjectValuesFrom _ oe c -> Set.union (symsOfObjectPropertyExpression oe)

$ symsOfClassExpression c

ObjectHasValue oe i -> Set.insert (Entity NamedIndividual i)

$ symsOfObjectPropertyExpression oe

ObjectHasSelf oe -> symsOfObjectPropertyExpression oe

ObjectCardinality (Cardinality _ _ oe mc) -> Set.union

(symsOfObjectPropertyExpression oe)

$ maybe Set.empty symsOfClassExpression mc

DataValuesFrom _ de dr -> Set.insert (Entity DataProperty de)

$ symsOfDataRange dr

DataHasValue de _ -> Set.singleton $ Entity DataProperty de

DataCardinality (Cardinality _ _ d m) -> Set.insert (Entity DataProperty d)

$ maybe Set.empty symsOfDataRange m

symsOfDataRange :: DataRange -> Set.Set Entity

symsOfDataRange dr = case dr of

DataType t _ -> Set.singleton $ Entity Datatype t

DataJunction _ ds -> Set.unions $ map symsOfDataRange ds

DataComplementOf d -> symsOfDataRange d

DataOneOf _ -> Set.empty

symsOfAnnotation :: Annotation -> Set.Set Entity

symsOfAnnotation (Annotation as p _) = Set.insert

(Entity AnnotationProperty p) $ Set.unions (map symsOfAnnotation as)

symsOfAnnotations :: Annotations -> Set.Set Entity

symsOfAnnotations = Set.unions . map symsOfAnnotation

symsOfFrameBit :: FrameBit -> Set.Set Entity

symsOfFrameBit fb = case fb of

ListFrameBit _ lb -> symsOfListFrameBit lb

AnnFrameBit as af -> Set.union (symsOfAnnotations as) $ symsOfAnnFrameBit af

symsOfAnnFrameBit :: AnnFrameBit -> Set.Set Entity

symsOfAnnFrameBit af = case af of

AnnotationFrameBit _ -> Set.empty

DataFunctional -> Set.empty

DatatypeBit dr -> symsOfDataRange dr

ClassDisjointUnion cs -> Set.unions $ map symsOfClassExpression cs

ClassHasKey os ds -> Set.union

(Set.unions $ map symsOfObjectPropertyExpression os)

. Set.fromList $ map (Entity DataProperty) ds

ObjectSubPropertyChain os ->

Set.unions $ map symsOfObjectPropertyExpression os

symsOfListFrameBit :: ListFrameBit -> Set.Set Entity

symsOfListFrameBit lb = case lb of

AnnotationBit l -> annotedSyms (Set.singleton . Entity AnnotationProperty) l

ExpressionBit l -> annotedSyms symsOfClassExpression l

ObjectBit l -> annotedSyms symsOfObjectPropertyExpression l

DataBit l -> annotedSyms (Set.singleton . Entity DataProperty) l

IndividualSameOrDifferent l -> annotedSyms

(Set.singleton . Entity NamedIndividual) l

ObjectCharacteristics l -> annotedSyms (const Set.empty) l

DataPropRange l -> annotedSyms symsOfDataRange l

IndividualFacts l -> annotedSyms symsOfFact l

symsOfFact :: Fact -> Set.Set Entity

symsOfFact fact = case fact of

ObjectPropertyFact _ oe i -> Set.insert (Entity NamedIndividual i)

$ symsOfObjectPropertyExpression oe

DataPropertyFact _ d _ -> Set.singleton $ Entity DataProperty d

annotedSyms :: (a -> Set.Set Entity) -> AnnotatedList a -> Set.Set Entity

annotedSyms f l = Set.union (Set.unions $ map (symsOfAnnotations . fst) l)

. Set.unions $ map (f . snd) l