Add the --list-names option

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6020 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 19 insertions, 3 deletions

diff --git a/lib/rdoc/ri/ri_display.rb b/lib/rdoc/ri/ri_display.rb
index 1e371350dc..8e5d07ee6c 100644
--- a/lib/rdoc/ri/ri_display.rb
+++ b/lib/rdoc/ri/ri_display.rb
@@ -165,8 +165,7 @@ class  DefaultDisplay
 
   def list_known_classes(classes)
     if classes.empty?
-      puts "Before using ri, you need to generate documentation"
-      puts "using 'rdoc' with the --ri option"
+      warn_no_database
     else
       page do 
         @formatter.draw_line("Known classes and modules")
@@ -178,6 +177,18 @@ class  DefaultDisplay
 
   ######################################################################
 
+  def list_known_names(names)
+    if names.empty?
+      warn_no_database
+    else
+      page do 
+        names.each {|n| @formatter.raw_print_line(n)}
+      end
+    end
+  end
+
+  ######################################################################
+
   private
 
   ######################################################################
@@ -236,5 +247,10 @@ class  DefaultDisplay
     end
   end
 
-
+  ######################################################################
+  
+  def warn_no_database
+    puts "Before using ri, you need to generate documentation"
+    puts "using 'rdoc' with the --ri option"
+  end
 end  # class RiDisplay