1 files changed, 68 insertions, 0 deletions
diff --git a/lib/format_util.rb b/lib/format_util.rb
new file mode 100644
index 0000000..3d3a3e6
--- /dev/null
+++ b/lib/format_util.rb
@@ -0,0 +1,68 @@
+
+
+class String
+  
+  # :prediction_feature -> predictionFeature
+  # :test_dataset_uri -> testDataset
+  # :validation_uris -> validation
+  def to_rdf_format
+    s = gsub(/_uri(s|)$/,"")
+    s.gsub(/_./) do |m|
+      m.gsub!(/^_/,"")
+      m.upcase
+    end
+  end
+  
+  def from_rdf_format
+    gsub(/[A-Z]/) do |m|
+      "_"+m.downcase
+    end
+  end
+  
+  DC_KEYS = [ "title", "creator", "date", "format" ]
+  RDF_KEYS = [ "type" ]
+  
+  def to_owl_uri
+    if DC_KEYS.include?(self)
+      return DC.send(self)
+    elsif RDF_KEYS.include?(self)
+      return RDF.send(self)
+    else
+      return OT.send(self)
+    end
+  end
+end
+
+class Hash
+  
+  # applies to_rdf_format to all keys
+  def keys_to_rdf_format
+    res = {}
+    keys.each do |k|
+      v = self[k]
+      if v.is_a?(Hash)
+        v = v.keys_to_rdf_format
+      elsif v.is_a?(Array)
+        v = v.collect{ |vv| vv.is_a?(Hash) ? vv.keys_to_rdf_format : vv }
+      end
+      res[k.to_s.to_rdf_format] = v
+    end
+    return res
+  end
+  
+  def keys_to_owl_uris
+    res = {}
+    keys.each do |k|
+      v = self[k]
+      if v.is_a?(Hash)
+        v = v.keys_to_owl_uris
+      elsif v.is_a?(Array)
+        v = v.collect{ |vv| vv.is_a?(Hash) ? vv.keys_to_owl_uris : vv }
+      end
+      res[k.to_s.to_owl_uri] = v
+    end
+    return res
+  end
+  
+end
+