@prefix brick: <https://brickschema.org/schema/Brick#> .
@prefix csvw: <http://www.w3.org/ns/csvw#> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix dcam: <http://purl.org/dc/dcam/> .
@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dcmitype: <http://purl.org/dc/dcmitype/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix doap: <http://usefulinc.com/ns/doap#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix geo: <http://www.opengis.net/ont/geosparql#> .
@prefix odrl: <http://www.w3.org/ns/odrl/2/> .
@prefix org: <http://www.w3.org/ns/org#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix prof: <http://www.w3.org/ns/dx/prof/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix qb: <http://purl.org/linked-data/cube#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix rml: <http://w3id.org/rml/> .
@prefix schema: <https://schema.org/> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix sosa: <http://www.w3.org/ns/sosa/> .
@prefix ssn: <http://www.w3.org/ns/ssn/> .
@prefix time: <http://www.w3.org/2006/time#> .
@prefix vann: <http://purl.org/vocab/vann/> .
@prefix void: <http://rdfs.org/ns/void#> .
@prefix wgs: <https://www.w3.org/2003/01/geo/wgs84_pos#> .
@prefix xml: <http://www.w3.org/XML/1998/namespace> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://w3id.org/rml/io/shapes> a owl:Ontology ;
    owl:imports <http://w3id.org/rml/core/shapes> .

<http://w3id.org/rml/shapes/RMLLogicalSourceShape> a sh:NodeShape ;
    rdfs:label "RML Logical Source" ;
    rdfs:comment """
    A logical source is any source that is mapped to RDF triples.
    """ ;
    sh:message """
    RML Logical Source requires one rml:source and requires everyting
    an Abstract Logical Source requires.
    """ ;
    sh:property [ rdfs:label "rml:source" ;
            rdfs:comment """
        The source (rml:source) locates the input data source. It is a URI
        that represents the data source where the data source is.
        """ ;
            sh:maxCount 1 ;
            sh:message """
        rml:source must be provided to locate the data source. 
        rml:source must be provided exactly once as an URI.
        """ ;
            sh:minCount 1 ;
            sh:node <http://w3id.org/rml/shapes/RMLSourceShape> ;
            sh:nodeKind sh:BlankNodeOrIRI ;
            sh:path rml:source ] ;
    sh:targetClass rml:LogicalSource ;
    sh:targetSubjectsOf rml:source .

<http://w3id.org/rml/shapes/RMLLogicalTargetShape> a sh:NodeShape ;
    rdfs:label "RML Logical Target" ;
    rdfs:comment """
    A logical target is any target to where generated RDF triples are exported
    to.
    """ ;
    sh:message """
    RML Logical Target requires one rml:target.
    """ ;
    sh:property [ rdfs:label "rml:target" ;
            rdfs:comment """
        The target (rml:target) locates the output target. It is a URI
        that represents the target where it must export generated RDF triples
        to.
        """ ;
            sh:maxCount 1 ;
            sh:message """
        rml:target must be provided to locate the target. rml:target must 
        be provided exactly once as an URI.
        """ ;
            sh:minCount 1 ;
            sh:node <http://w3id.org/rml/shapes/RMLTargetShape> ;
            sh:nodeKind sh:BlankNodeOrIRI ;
            sh:path rml:target ] ;
    sh:targetClass rml:LogicalTarget ;
    sh:targetObjectsOf rml:logicalTarget .

<http://w3id.org/rml/shapes/RMLRelativePathSourceShape> a sh:NodeShape ;
    rdfs:label "RML Relative Path Source" ;
    rdfs:comment """
    A RML Relative Path Source provides a source with relative paths which is
    not provided by existing vocabularies such as DCAT without a base IRI.
    """ ;
    sh:message """
    RML Relative Path Source accepts one rml:root, and one rml:path.
    rml:root is optional and defaults to rml:CurrentWorkingDirectory.
    """ ;
    sh:property [ rdfs:label "rml:root" ;
            rdfs:comment """
        rml:root defines the root directory against which relative paths are
        resolved. If not provided, defaults to the current working directory.
        """ ;
            sh:in ( rml:CurrentWorkingDirectory rml:MappingDirectory ) ;
            sh:maxCount 1 ;
            sh:message """
        rml:root must be either rml:CurrentWorkingDirectory or
        rml:MappingDirectory.
        """ ;
            sh:minCount 0 ;
            sh:path rml:root ],
        [ rdfs:label "rml:path" ;
            rdfs:comment """
        rml:path specifies the relative path to access for the source.
        """ ;
            sh:maxCount 1 ;
            sh:message """
        rml:path must be a string Literal.
        """ ;
            sh:minCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path rml:path ] ;
    sh:targetClass rml:RelativePathSource .

<http://w3id.org/rml/shapes/RMLRelativePathTargetShape> a sh:NodeShape ;
    rdfs:label "RML Relative Path Target" ;
    rdfs:comment """
    A RML Relative Path Target provides a target with relative paths which is
    not provided by existing vocabularies such as DCAT without a base IRI.
    """ ;
    sh:message """
    RML Relative Path Target accepts one rml:root, and one rml:path.
    rml:root is optional and defaults to rml:CurrentWorkingDirectory.
    """ ;
    sh:property [ rdfs:label "rml:root" ;
            rdfs:comment """
        rml:root defines the root directory against which relative paths are
        resolved. If not provided, defaults to the current working directory.
        """ ;
            sh:in ( rml:CurrentWorkingDirectory rml:MappingDirectory ) ;
            sh:maxCount 1 ;
            sh:message """
        rml:root must be either rml:CurrentWorkingDirectory or
        rml:MappingDirectory.
        """ ;
            sh:minCount 0 ;
            sh:path rml:root ],
        [ rdfs:label "rml:path" ;
            rdfs:comment """
        rml:path specifies the relative path to access for the target.
        """ ;
            sh:maxCount 1 ;
            sh:message """
        rml:path must be a string Literal.
        """ ;
            sh:minCount 1 ;
            sh:nodeKind sh:Literal ;
            sh:path rml:path ] ;
    sh:targetClass rml:RelativePathTarget .

<http://w3id.org/rml/shapes/RMLSourceShape> a sh:NodeShape ;
    rdfs:label "RML Source" ;
    rdfs:comment """
    A source describes access to a data source. Any data access description
    is allowed, but rml:Source provides additional properties to complete
    such descriptions.
    """ ;
    sh:message """
    RML Source accepts one or multiple rml:null, one rml:compression,
    and one rml:encoding. All of them are optional.
    """ ;
    sh:property [ rdfs:label "rml:null" ;
            rdfs:comment """
        rml:null specifies how NULL or empty values are exposed by the data 
        source.
        """ ;
            sh:datatype xsd:string ;
            sh:message """
        rml:source must be provided as a string Literal.
        """ ;
            sh:minCount 0 ;
            sh:nodeKind sh:Literal ;
            sh:path rml:null ],
        [ rdfs:label "rml:compression" ;
            rdfs:comment """
        rml:compression specifies the compression algorithm to use when
        accessing the data source. By default, no compression is applied.
        """ ;
            sh:maxCount 1 ;
            sh:message """
        rml:compression must be provided as an IRI.
        """ ;
            sh:minCount 0 ;
            sh:nodeKind sh:IRI ;
            sh:path rml:compression ],
        [ rdfs:label "rml:encoding" ;
            rdfs:comment """
        rml:encoding specifies the encoding to use when accessing the data 
        source. By default, UTF-8 is used.
        """ ;
            sh:maxCount 1 ;
            sh:message """
        rml:encoding must be provided as an IRI.
        """ ;
            sh:minCount 0 ;
            sh:nodeKind sh:IRI ;
            sh:path rml:encoding ],
        [ rdfs:label "rml:null" ;
            rdfs:comment """
        rml:null specifies which data values inside the source should be 
        considered as NULL. Defaults to the default NULL character of a source,
        if available.
        """ ;
            sh:message """
        rml:null must be provided as a Literal.
        """ ;
            sh:minCount 0 ;
            sh:nodeKind sh:Literal ;
            sh:path rml:null ] ;
    sh:targetClass rml:Source ;
    sh:targetObjectsOf rml:source .

<http://w3id.org/rml/shapes/RMLTargetShape> a sh:NodeShape ;
    rdfs:label "RML Target" ;
    rdfs:comment """
    A target describes access to a data target. Any data access description
    is allowed, but rml:Target provides additional properties to complete
    such descriptions.
    """ ;
    sh:message """
    RML Target accepts one rml:compression, and one rml:encoding.
    All of them are optional.
    """ ;
    sh:property [ rdfs:label "rml:compression" ;
            rdfs:comment """
        rml:compression specifies the compression algorithm to use when
        accessing the data target. By default, no compression is applied.
        """ ;
            sh:maxCount 1 ;
            sh:message """
        rml:compression must be provided as an IRI.
        """ ;
            sh:minCount 0 ;
            sh:nodeKind sh:IRI ;
            sh:path rml:compression ],
        [ rdfs:label "rml:encoding" ;
            rdfs:comment """
        rml:encoding specifies the encoding to use when accessing the data 
        target. By default, UTF-8 is used.
        """ ;
            sh:maxCount 1 ;
            sh:message """
        rml:encoding must be provided as an IRI.
        """ ;
            sh:minCount 0 ;
            sh:nodeKind sh:IRI ;
            sh:path rml:encoding ],
        [ rdfs:label "rml:serialization" ;
            rdfs:comment """
        rml:serialization specifies the serialization format to use when
        exporting the generated RDF to a target. By default N-Quads is used.
        """ ;
            sh:maxCount 1 ;
            sh:message """
        rml:serialization must be provided as an IRI.
        """ ;
            sh:minCount 0 ;
            sh:nodeKind sh:IRI ;
            sh:path rml:serialization ],
        [ rdfs:label "rml:mode" ;
            rdfs:comment """
        rml:mode specifies in which mode the target is opened such as read-only,
        write-only, both, etc.
        """ ;
            sh:in ( rml:Read rml:ReadWrite rml:Write rml:WriteRead rml:Append rml:AppendRead ) ;
            sh:maxCount 1 ;
            sh:message """
        rml:mode must be specified by any of the modes from rml:Mode class.
        """ ;
            sh:minCount 0 ;
            sh:path rml:mode ] ;
    sh:targetClass rml:Target ;
    sh:targetObjectsOf rml:target .