Fix problem with agreesive name matching (see ChangeLog)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5396 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,10 @@
+Wed Jan  7 13:00:18 2004  Dave Thomas  <dave@pragprog.com>
+
+	* lib/rdoc/ri/ri_driver.rb: Fix problem where ri was
+	  being too eager to find matches of ambiguous method
+	  names (such as "ri Thread.join" would return both
+	  Thread.join and ThreadsWait.join)
+
 Wed Jan  7 12:35:41 2004  NAKAMURA, Hiroshi  <nakahiro@sarion.co.jp>
 
 	* lib/debug.rb: revert command parse regexps.  [ruby-list:39014] by

lib/rdoc/ri/ri_driver.rb

@@ -52,18 +52,18 @@ class  RiDriver
   
   ######################################################################
   
-  def report_class_stuff(requested_class_name, namespaces)
+  def report_class_stuff(namespaces)
     if namespaces.size == 1
       klass = @ri_reader.get_class(namespaces[0])
       @display.display_class_info(klass, @ri_reader)
     else 
-      entries = namespaces.find_all {|m| m.full_name == requested_class_name}
+#      entries = namespaces.find_all {|m| m.full_name == requested_class_name}
-      if entries.size == 1
+#      if entries.size == 1
-        klass = @ri_reader.get_class(entries[0])
+#        klass = @ri_reader.get_class(entries[0])
-        @display.display_class_info(klass, @ri_reader)
+#        @display.display_class_info(klass, @ri_reader)
-      else
+#      else
         @display.display_class_list(namespaces)
-      end
+#      end
     end
   end
   
@@ -81,9 +81,16 @@ class  RiDriver
         raise RiError.new("Nothing known about #{arg}")
       end
     end
-    
+
+    # at this point, if we have multiple possible namespaces, but one
+    # is an exact match for our requested class, prune down to just it
+
+    full_class_name = desc.full_class_name
+    entries = namespaces.find_all {|m| m.full_name == full_class_name}
+    namespaces = entries if entries.size == 1
+
     if desc.method_name.nil?
-      report_class_stuff(desc.class_names.join('::'), namespaces)
+      report_class_stuff(namespaces)
     else
       methods = @ri_reader.find_methods(desc.method_name, 
                                         desc.is_class_method,

lib/rdoc/ri/ri_util.rb

@@ -64,4 +64,11 @@ class NameDescriptor
       end
     end
   end
+
+  # Return the full class name (with '::' between the components)
+  # or "" if there's no class name
+
+  def full_class_name
+    @class_names.join("::")
+  end
 end