From 291d16e6709d88cb202acc042c9395c420fd580d Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 27 Oct 2018 17:15:24 +0200
Subject: WIP: Improve validation

---
 lv2/core/lv2core.ttl | 31 ++++++++++++++++++++++++-------
 1 file changed, 24 insertions(+), 7 deletions(-)

(limited to 'lv2/core')

diff --git a/lv2/core/lv2core.ttl b/lv2/core/lv2core.ttl
index dd3e6bd..20bcacc 100644
--- a/lv2/core/lv2core.ttl
+++ b/lv2/core/lv2core.ttl
@@ -146,6 +146,11 @@ lv2:Plugin
 		owl:onProperty doap:name ;
 		owl:someValuesFrom rdf:PlainLiteral ;
 		rdfs:comment "A plugin MUST have at least one untranslated doap:name." ;
+	] , [
+		a owl:Restriction ;
+		owl:onProperty lv2:port ;
+		owl:allValuesFrom lv2:Port ;
+		rdfs:comment "All ports on a plugin MUST be fully specified lv2:Port instances." ;
 	] ;
 	lv2:documentation """
 <p>The class which represents an LV2 plugin.</p>
@@ -162,20 +167,32 @@ e.g. <q>Tape Delay Unit</q>. Use doap:shortdesc or doap:description for more
 detailed descriptions.</p>
 """ .
 
+lv2:PortBase
+	a rdfs:Class ,
+		owl:Class ;
+	rdfs:label "Port Base" ;
+	rdfs:subClassOf [
+		a owl:Restriction ;
+		owl:onProperty lv2:symbol ;
+		owl:cardinality 1 ;
+		rdfs:comment "A port MUST have exactly one lv2:symbol." ;
+	] ;
+	lv2:documentation """
+<p>Similar to lv2:PluginBase, an abstract port-like resource that MAY not
+actually be a fully specified LV2 port .  For example, this is used for preset
+"ports" which do not specify an index.</p>
+""" .
+
 lv2:Port
 	a rdfs:Class ,
 		owl:Class ;
 	rdfs:label "Port" ;
-	rdfs:subClassOf [
+	rdfs:subClassOf lv2:PortBase ,
+	[
 		a owl:Restriction ;
 		owl:onProperty lv2:index ;
 		owl:cardinality 1 ;
 		rdfs:comment "A port MUST have exactly one lv2:index." ;
-	] , [
-		a owl:Restriction ;
-		owl:onProperty lv2:symbol ;
-		owl:cardinality 1 ;
-		rdfs:comment "A port MUST have exactly one lv2:symbol." ;
 	] , [
 		a owl:Restriction ;
 		owl:onProperty lv2:name ;
@@ -262,7 +279,7 @@ lv2:port
 	a rdf:Property ,
 		owl:ObjectProperty ;
 	rdfs:domain lv2:PluginBase ;
-	rdfs:range lv2:Port ;
+	rdfs:range lv2:PortBase ;
 	rdfs:label "port" ;
 	rdfs:comment "A port (input or output) on this plugin." .
 
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