Factor Fixnum and Bignum extensions into Integer class

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1863 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

2 files changed, 39 insertions, 0 deletions

diff --git a/activesupport/lib/active_support/core_ext/integer/even_odd.rb b/activesupport/lib/active_support/core_ext/integer/even_odd.rb
new file mode 100644
index 0000000000..3762308cc3
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/integer/even_odd.rb
@@ -0,0 +1,24 @@
+module ActiveSupport #:nodoc:
+  module CoreExtensions #:nodoc:
+    module Integer #:nodoc:
+      # For checking if a fixnum is even or odd. 
+      # * 1.even? # => false
+      # * 1.odd?  # => true
+      # * 2.even? # => true
+      # * 2.odd? # => false
+      module EvenOdd
+        def multiple_of?(number)
+          self % number == 0
+        end
+        
+        def even?
+          multiple_of? 2
+        end
+        
+        def odd?
+          !even?
+        end
+      end
+    end
+  end
+end
diff --git a/activesupport/lib/active_support/core_ext/integer/inflections.rb b/activesupport/lib/active_support/core_ext/integer/inflections.rb
new file mode 100644
index 0000000000..a86c4cc26c
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/integer/inflections.rb
@@ -0,0 +1,15 @@
+require File.dirname(__FILE__) + '/../../inflector'
+module ActiveSupport #:nodoc:
+  module CoreExtensions #:nodoc:
+    module Integer #:nodoc:
+      module Inflections
+        # 1.ordinalize  # => "1st"
+        # 3.ordinalize  # => "3rd"
+        # 10.ordinalize # => "10th"
+        def ordinalize
+          Inflector.ordinalize(self)
+        end
+      end
+    end
+  end
+end