From aef01ee7890bf6b2349c4c87548460ce9534dfb0 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 18 May 2011 13:45:29 +0000
Subject: * ext/io/console/lib/console/size.rb (IO#console_size): new   method.
  (EXPERIMENTAL)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31628 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/io/console/lib/console/size.rb | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 ext/io/console/lib/console/size.rb

(limited to 'ext/io')

diff --git a/ext/io/console/lib/console/size.rb b/ext/io/console/lib/console/size.rb
new file mode 100644
index 0000000000..e9d8a1fbb6
--- /dev/null
+++ b/ext/io/console/lib/console/size.rb
@@ -0,0 +1,20 @@
+def IO.default_console_size
+  [
+    ENV["LINES"].to_i.nonzero? || 25,
+    ENV["COLUMNS"].to_i.nonzero? || 80,
+  ]
+end
+
+begin
+  require 'io/console'
+rescue LoadError
+  class IO
+    alias console_size default_console_size
+  end
+else
+  def IO.console_size
+    console.winsize
+  rescue NoMethodError
+    default_console_size
+  end
+end
-- 
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