diff options
Diffstat (limited to 'activesupport/lib/active_support')
6 files changed, 44 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/date.rb b/activesupport/lib/active_support/core_ext/date.rb index effb749c25..9d9051dfbe 100644 --- a/activesupport/lib/active_support/core_ext/date.rb +++ b/activesupport/lib/active_support/core_ext/date.rb @@ -1,8 +1,10 @@ require 'date' +require File.dirname(__FILE__) + '/date/behavior' require File.dirname(__FILE__) + '/date/calculations' require File.dirname(__FILE__) + '/date/conversions' class Date#:nodoc: + include ActiveSupport::CoreExtensions::Date::Behavior include ActiveSupport::CoreExtensions::Date::Calculations include ActiveSupport::CoreExtensions::Date::Conversions end diff --git a/activesupport/lib/active_support/core_ext/date/behavior.rb b/activesupport/lib/active_support/core_ext/date/behavior.rb new file mode 100644 index 0000000000..011cc17cbf --- /dev/null +++ b/activesupport/lib/active_support/core_ext/date/behavior.rb @@ -0,0 +1,13 @@ +module ActiveSupport #:nodoc: + module CoreExtensions #:nodoc: + module Date #:nodoc: + module Behavior + # Enable more predictable duck-typing on Date-like classes. See + # Object#acts_like?. + def acts_like_date? + true + end + end + end + end +end diff --git a/activesupport/lib/active_support/core_ext/date_time.rb b/activesupport/lib/active_support/core_ext/date_time.rb new file mode 100644 index 0000000000..67463d2352 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/date_time.rb @@ -0,0 +1,5 @@ +require "#{File.dirname(__FILE__)}/time/behavior" + +class DateTime + include ActiveSupport::CoreExtensions::Time::Behavior +end
\ No newline at end of file diff --git a/activesupport/lib/active_support/core_ext/object/misc.rb b/activesupport/lib/active_support/core_ext/object/misc.rb index ea8e3a1d6a..aae336e6f4 100644 --- a/activesupport/lib/active_support/core_ext/object/misc.rb +++ b/activesupport/lib/active_support/core_ext/object/misc.rb @@ -31,4 +31,13 @@ class Object #:nodoc: def to_json ActiveSupport::JSON.encode(self) end + + # A duck-type assistant method. For example, ActiveSupport extends Date + # to define an acts_like_date? method, and extends Time to define + # acts_like_time?. As a result, we can do "x.acts_like?(:time)" and + # "x.acts_like?(:date)" to do duck-type-safe comparisons, since classes that + # we want to act like Time simply need to define an acts_like_time? method. + def acts_like?(duck) + respond_to? :"acts_like_#{duck}?" + end end
\ No newline at end of file diff --git a/activesupport/lib/active_support/core_ext/time.rb b/activesupport/lib/active_support/core_ext/time.rb index 9e3c7a0329..a802c065a7 100644 --- a/activesupport/lib/active_support/core_ext/time.rb +++ b/activesupport/lib/active_support/core_ext/time.rb @@ -1,7 +1,9 @@ +require File.dirname(__FILE__) + '/time/behavior' require File.dirname(__FILE__) + '/time/calculations' require File.dirname(__FILE__) + '/time/conversions' class Time#:nodoc: + include ActiveSupport::CoreExtensions::Time::Behavior include ActiveSupport::CoreExtensions::Time::Calculations include ActiveSupport::CoreExtensions::Time::Conversions end diff --git a/activesupport/lib/active_support/core_ext/time/behavior.rb b/activesupport/lib/active_support/core_ext/time/behavior.rb new file mode 100644 index 0000000000..a5c0baacdf --- /dev/null +++ b/activesupport/lib/active_support/core_ext/time/behavior.rb @@ -0,0 +1,13 @@ +module ActiveSupport #:nodoc: + module CoreExtensions #:nodoc: + module Time #:nodoc: + module Behavior + # Enable more predictable duck-typing on Time-like classes. See + # Object#acts_like?. + def acts_like_time? + true + end + end + end + end +end |