18 OWL_CARD_MAP = {'1': '<rdf:type rdf:resource="&owl;FunctionalProperty"/>',                      

    19                 '?': '<owl:maxCardinality rdf:datatype="&xsd;int">1</owl:maxCardinality>',

    20                 '+': '<owl:minCardinality rdf:datatype="&xsd;int">1</owl:minCardinality>',

    21                 '*': ''

    22                 }

    23 

    24 OWL_CARD_MAP_DATA = {'String': 'xsd:string',

    25                      'Datetime': 'xsd:dateTime',

    26                      'Bytes': 'xsd:byte',

    27                      'Float': 'xsd:float',

    28                      'Boolean': 'xsd:boolean',

    29                      'Int': 'xsd:int',

    30                      'Date':'xsd:date',

    31                      'Time': 'xsd:time',

    32                      'Password': 'xsd:byte',

    33                      'Decimal' : 'xsd:decimal',

    34                      'Interval': 'xsd:duration'

    35                      }

   211 

   212 class OWLView(StartupView):

   213     id = 'owl'

   214     title = _('owl')

   215     templatable =False

   216 

   217     def call(self):

   218         skipmeta = int(self.req.form.get('skipmeta', True))

   219         self.visit_schemaOWL(display_relations=True,

   220                              skiprels=('is', 'is_instance_of', 'identity',

   221                                        'owned_by', 'created_by'),

   222                              skipmeta=skipmeta)

   223 

   224 

   225     def visit_schemaOWL(self, display_relations=0,

   226                      skiprels=(), skipmeta=True):

   227         """get a layout for a whole schema"""

   228         self.w(u'''<?xml version="1.0" encoding="UTF-8"?>

   229         <!DOCTYPE rdf:RDF [

   230         <!ENTITY owl "http://www.w3.org/2002/07/owl#" >

   231         <!ENTITY xsd "http://www.w3.org/2001/XMLSchema#" >

   232         <!ENTITY rdfs "http://www.w3.org/2000/01/rdf-schema#" >

   233         <!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#" >

   234         <!ENTITY %s "http://logilab.org/owl/ontologies/%s#" >

   235         

   236         ]>        

   237         <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"

   238             xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"

   239             xmlns:xsd="http://www.w3.org/2001/XMLSchema#"

   240             xmlns:owl="http://www.w3.org/2002/07/owl#"

   241             xmlns="http://logilab.org/owl/ontologies/%s#"

   242             xmlns:%s="http://logilab.org/owl/ontologies/%s#"

   243             xml:base="http://logilab.org/owl/ontologies/%s">

   244 

   245     <owl:Ontology rdf:about="">

   246         <rdfs:comment>

   247         %s Cubicweb OWL Ontology                           

   248                                         

   249         </rdfs:comment>

   250    </owl:Ontology>

   251         ''' % (self.schema.name, self.schema.name, self.schema.name, self.schema.name, self.schema.name, self.schema.name, self.schema.name))

   252         entities = [eschema for eschema in self.schema.entities()

   253                     if not eschema.is_final()]

   254         if skipmeta:

   255             entities = [eschema for eschema in entities

   256                         if not eschema.meta]

   257         keys = [(eschema.type, eschema) for eschema in entities]

   258         self.w(u'<!-- classes definition -->')

   259         for key, eschema in sorted(keys):

   260             self.visit_entityschemaOWL(eschema, skiprels)

   261         self.w(u'<!-- property definition -->')

   262         self.w(u'<!-- object property -->')

   263         for key, eschema in sorted(keys):

   264              self.visit_property_schemaOWL(eschema, skiprels)

   265         self.w(u'<!-- datatype property -->')

   266         for key, eschema in sorted(keys):

   267             self.visit_property_object_schemaOWL(eschema, skiprels)

   268         self.w(u'</rdf:RDF>')

   269            

   270     def eschema_link_url(self, eschema):

   271         return self.req.build_url('eetype/%s?vid=eschema' % eschema)

   272     

   273     def rschema_link_url(self, rschema):

   274         return self.req.build_url('ertype/%s?vid=eschema' % rschema)

   275 

   276     def possible_views(self, etype):

   277         rset = self.req.etype_rset(etype)

   278         return [v for v in self._possible_views(self.req, rset)

   279                 if v.category != 'startupview']

   280 

   281     def stereotype(self, name):

   282         return Span((' <<%s>>' % name,), klass='stereotype')

   283                        

   284     def visit_entityschemaOWL(self, eschema, skiprels=()):

   285         """get a layout for an entity OWL schema"""

   286         etype = eschema.type

   287         

   288         if eschema.meta:

   289             self.stereotype('meta')

   290             self.w(u'''<owl:Class rdf:ID="%s"><rdfs:subClassOf rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>

   291                                 '''%eschema, stereotype)

   292         else:

   293              self.w(u'''<owl:Class rdf:ID="%s"><rdfs:subClassOf rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>

   294                                 '''% eschema)         

   295        

   296         self.w(u'<!-- relations -->')    

   297         for rschema, targetschemas, role in eschema.relation_definitions():

   298             if rschema.type in skiprels:

   299                 continue

   300             if not (rschema.has_local_role('read') or rschema.has_perm(self.req, 'read')):

   301                 continue

   302             for oeschema in targetschemas:

   303                 label = rschema.type

   304                 if role == 'subject':

   305                     card = rschema.rproperty(eschema, oeschema, 'cardinality')[0]

   306                 else:

   307                     card = rschema.rproperty(oeschema, eschema, 'cardinality')[1]

   308                 self.w(u'''<rdfs:subClassOf>

   309                               <owl:Restriction>

   310                               <owl:onProperty rdf:resource="#%s"/>

   311                                 %s

   312                               </owl:Restriction>

   313                            </rdfs:subClassOf>

   314                                 ''' % (label, OWL_CARD_MAP[card]))

   315 

   316         self.w(u'<!-- attributes -->')

   317               

   318         for rschema, aschema in eschema.attribute_definitions():

   319             if not (rschema.has_local_role('read') or rschema.has_perm(self.req, 'read')):

   320                 continue

   321             aname = rschema.type

   322             if aname == 'eid':

   323                 continue

   324             card_data = aschema.type

   325             self.w(u'''<rdfs:subClassOf>

   326                               <owl:Restriction>

   327                                  <owl:onProperty rdf:resource="#%s"/>

   328                                  <rdf:type rdf:resource="&owl;FunctionalProperty"/>

   329                                  </owl:Restriction>

   330                         </rdfs:subClassOf>'''

   331                           

   332                    % aname)

   333         self.w(u'</owl:Class>')

   334     

   335     def visit_property_schemaOWL(self, eschema, skiprels=()):

   336         """get a layout for property entity OWL schema"""

   337         etype = eschema.type

   338 

   339         for rschema, targetschemas, role in eschema.relation_definitions():

   340             if rschema.type in skiprels:

   341                 continue

   342             if not (rschema.has_local_role('read') or rschema.has_perm(self.req, 'read')):

   343                 continue

   344             rschemaurl = self.rschema_link_url(rschema)

   345             for oeschema in targetschemas:

   346                 label = rschema.type

   347                 self.w(u'''<owl:ObjectProperty rdf:ID="%s">

   348                               <rdfs:domain rdf:resource="#%s"/>

   349                               <rdfs:range rdf:resource="#%s"/>

   350                            </owl:ObjectProperty>                   

   351                              

   352                                 ''' % (label, eschema, oeschema.type ))

   353 

   354     def visit_property_object_schemaOWL(self, eschema, skiprels=()):

   355                

   356         for rschema, aschema in eschema.attribute_definitions():

   357             if not (rschema.has_local_role('read') or rschema.has_perm(self.req, 'read')):

   358                 continue

   359             aname = rschema.type

   360             if aname == 'eid':

   361                 continue

   362             card_data = aschema.type

   363             self.w(u'''<owl:DatatypeProperty rdf:ID="%s">

   364                           <rdfs:domain rdf:resource="#%s"/>

   365                           <rdfs:range rdf:resource="%s"/>

   366                        </owl:DatatypeProperty>'''

   367                    % (aname, eschema, OWL_CARD_MAP_DATA[card_data]))

   368 

   369