{- |

Module : $Header$

Copyright : (c) Heng Jiang, Uni Bremen 2004-2007

License : GPLv2 or higher, see LICENSE.txt

Maintainer : Christian.Maeder@dfki.de

Stability : provisional

Portability : non-portable(deriving Typeable)

Contains : Datatypes specific to the Functional Syntax of OWL 2

References : <http://www.w3.org/TR/2009/REC-owl2-syntax-20091027/#Functional-Style_Syntax>

-}

module OWL2.FS where

import Common.Id (GetRange)

import OWL2.AS

import qualified Data.Map as Map

------------------------

-- ONTOLOGIES SYNTAX

------------------------

data OntologyFile = OntologyFile

{ prefixName :: PrefixMap

, ontology :: Ontology

} deriving (Show, Eq, Ord)

instance GetRange OntologyFile

data Ontology = Ontology

{ uri :: OntologyIRI

, importsList :: [ImportIRI]

, annotationsList :: [Annotation]

, axiomsList :: [Axiom]

} deriving (Show, Eq, Ord)

type OntologyMap = Map.Map String OntologyFile

---------------------

-- AXIOMS

---------------------

data Axiom = -- Annotations can be ignored

PlainAxiom [Annotation] PlainAxiom

| EntityAnno AnnotationAxiom

deriving (Show, Eq, Ord)

instance GetRange Axiom

data PlainAxiom =

SubClassOf SubClass SuperClass

| EquivOrDisjointClasses Relation [ClassExpression] -- min. 2 desc.

| DisjointUnion Class [ClassExpression] -- min. 2 desc.

| SubObjectPropertyOf SubObjectPropertyExpression ObjectPropertyExpression

| EquivOrDisjointObjectProperties Relation [ObjectPropertyExpression] -- min. 2 ObjectPropertyExpression

| ObjectPropertyDomainOrRange Relation ObjectPropertyExpression ClassExpression

| InverseObjectProperties ObjectPropertyExpression ObjectPropertyExpression

| ObjectPropertyCharacter Character ObjectPropertyExpression

| SubDataPropertyOf DataPropertyExpression DataPropertyExpression

| EquivOrDisjointDataProperties Relation [DataPropertyExpression] -- min. 2 DataPropertyExpressions

| DataPropertyDomainOrRange DataDomainOrRange DataPropertyExpression

| FunctionalDataProperty DataPropertyExpression

| SameOrDifferentIndividual SameOrDifferent [Individual] -- min. 2 ind.

| ClassAssertion ClassExpression Individual -- arguments are reversed from OWL-1

| ObjectPropertyAssertion (Assertion ObjectPropertyExpression TargetIndividual)

| DataPropertyAssertion (Assertion DataPropertyExpression TargetValue)

| Declaration Entity

| DatatypeDefinition Datatype DataRange

| HasKey ClassExpression [ObjectPropertyExpression] [DataPropertyExpression]

deriving (Show, Eq, Ord)

type SubClass = ClassExpression

type SuperClass = ClassExpression

data Assertion a b = Assertion a PositiveOrNegative SourceIndividual b

deriving (Show, Eq, Ord)

---------------------

-- ONTOLOGY FILES

---------------------

emptyOntologyFile :: OntologyFile

emptyOntologyFile = OntologyFile Map.empty emptyOntology

emptyOntologyByName :: QName -> Ontology

emptyOntologyByName qn = Ontology qn [] [] []

emptyOntology :: Ontology

emptyOntology = emptyOntologyByName nullQName

isEmptyOntologyFile :: OntologyFile -> Bool

isEmptyOntologyFile (OntologyFile ns onto) =

Map.null ns && isEmptyOntology onto

isEmptyOntology :: Ontology -> Bool

isEmptyOntology (Ontology (QN _ l _ n) annoList impList axioms) =

null l && null n && null annoList && null impList && null axioms