* lib/rdoc.rb, lib/rdoc, test/rdoc: Update to RDoc 4.2.0.alpha(313287)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47391 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 2 deletions

diff --git a/lib/rdoc/stats/normal.rb b/lib/rdoc/stats/normal.rb
index 32de631e2e..ef366a500e 100644
--- a/lib/rdoc/stats/normal.rb
+++ b/lib/rdoc/stats/normal.rb
@@ -1,4 +1,7 @@
-require 'io/console/size'
+begin
+  require 'io/console/size'
+rescue LoadError
+end
 
 ##
 # Stats printer that prints just the files being documented with a progress
@@ -22,7 +25,11 @@ class RDoc::Stats::Normal < RDoc::Stats::Quiet
 
     # Print a progress bar, but make sure it fits on a single line. Filename
     # will be truncated if necessary.
-    terminal_width = IO.console_size[1].to_i.nonzero? || 80
+    terminal_width = if defined?(IO) && IO.respond_to?(:console_size)
+                       IO.console_size[1].to_i.nonzero? || 80
+                     else
+                       80
+                     end
     max_filename_size = terminal_width - progress_bar.size
 
     if filename.size > max_filename_size then