From 0b640c3d13c65a8b83ee4313827b5fc6a12e1936 Mon Sep 17 00:00:00 2001
From: Federico Igne <federico.igne@cs.ox.ac.uk>
Date: Thu, 11 Nov 2021 17:32:13 +0000
Subject: Add support for directory of query files

---
 src/main/scala/uk/ac/ox/cs/rsacomb/Main.scala          |  6 ++----
 src/main/scala/uk/ac/ox/cs/rsacomb/RSAConfig.scala     | 11 ++++++++---
 .../scala/uk/ac/ox/cs/rsacomb/util/RDFoxUtil.scala     | 18 +++++++++++++++++-
 3 files changed, 27 insertions(+), 8 deletions(-)

diff --git a/src/main/scala/uk/ac/ox/cs/rsacomb/Main.scala b/src/main/scala/uk/ac/ox/cs/rsacomb/Main.scala
index cbec9ec..3aa81a7 100644
--- a/src/main/scala/uk/ac/ox/cs/rsacomb/Main.scala
+++ b/src/main/scala/uk/ac/ox/cs/rsacomb/Main.scala
@@ -50,16 +50,14 @@ object RSAComb extends App {
   val data = config('data).get[List[os.Path]]
   val ontology = Ontology(ontopath, data).normalize(new Normalizer)
 
-  //ontology.axioms foreach println
-
   /* Approximate the ontology to RSA */
   val toRSA = config('approximation).get[Approximation[RSAOntology]]
   val rsa = ontology approximate toRSA
 
   if (config contains 'queries) {
     val queries =
-      RDFoxUtil.loadQueriesFromFile(
-        config('queries).get[os.Path]
+      RDFoxUtil.loadQueriesFromFiles(
+        config('queries).get[List[os.Path]]
       )
 
     val answers = rsa ask queries
diff --git a/src/main/scala/uk/ac/ox/cs/rsacomb/RSAConfig.scala b/src/main/scala/uk/ac/ox/cs/rsacomb/RSAConfig.scala
index 3e92d81..1a4afd7 100644
--- a/src/main/scala/uk/ac/ox/cs/rsacomb/RSAConfig.scala
+++ b/src/main/scala/uk/ac/ox/cs/rsacomb/RSAConfig.scala
@@ -126,9 +126,14 @@ object RSAConfig {
       }
       case flag @ ("-q" | "--queries") :: _query :: tail => {
         val query = getPath(_query)
-        if (!os.isFile(query))
-          exit(s"'${_query}' is not a valid filename.")
-        parse(tail, config += ('queries -> query))
+        val files =
+          if (os.isFile(query))
+            Seq(query)
+          else if (os.isDir(query))
+            os.walk(query).filter(os.isFile)
+          else
+            exit(s"'${_query}' is not a valid path.")
+        parse(tail, config += ('queries -> files))
       }
       case flag @ ("-o" | "--ontology") :: _ontology :: tail => {
         val ontology = getPath(_ontology)
diff --git a/src/main/scala/uk/ac/ox/cs/rsacomb/util/RDFoxUtil.scala b/src/main/scala/uk/ac/ox/cs/rsacomb/util/RDFoxUtil.scala
index d4e55d8..4153fac 100644
--- a/src/main/scala/uk/ac/ox/cs/rsacomb/util/RDFoxUtil.scala
+++ b/src/main/scala/uk/ac/ox/cs/rsacomb/util/RDFoxUtil.scala
@@ -250,7 +250,7 @@ object RDFoxUtil {
     * @note if a query is not recognized as a [[SelectQuery]] by RDFox
     * it is discarded.
     *
-    * @param file file containing a list of conjunctive queries.
+    * @param path file containing a list of conjunctive queries.
     * @param prefixes additional prefixes for the query. It defaults to
     * an empty set.
     *
@@ -285,6 +285,22 @@ object RDFoxUtil {
     queries
   }
 
+  /** Load SPARQL queries from files.
+    *
+    * @param paths list of files containing a conjunctive queries.
+    * @param prefixes additional prefixes for the query. It defaults to
+    * an empty set.
+    *
+    * @return a list of [[tech.oxfordsemantic.jrdfox.logic.sparql.statement.SelectQuery SelectQuery]] queries.
+    *
+    * @see [[RDFoxUtil.loadQueriesFromFile()]] for more details on the file format.
+    */
+  def loadQueriesFromFiles(
+      paths: List[os.Path],
+      prefixes: Prefixes = new Prefixes()
+  ): List[ConjunctiveQuery] =
+    paths.flatMap(loadQueriesFromFile(_, prefixes))
+
   /** Parse a SELECT query from a string in SPARQL format.
     *
     * @param query the string containing the SPARQL query
-- 
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