diff options
Diffstat (limited to 'activesupport/lib')
4 files changed, 43 insertions, 43 deletions
diff --git a/activesupport/lib/active_support/core_ext/date.rb b/activesupport/lib/active_support/core_ext/date.rb index f3b71e54af..ebc333b7f7 100644 --- a/activesupport/lib/active_support/core_ext/date.rb +++ b/activesupport/lib/active_support/core_ext/date.rb @@ -1,3 +1,5 @@ require 'active_support/core_ext/util' require 'date' -ActiveSupport.core_ext Date, %w(behavior calculations conversions) +require 'active_support/core_ext/date/acts_like' +require 'active_support/core_ext/date/freeze' +ActiveSupport.core_ext Date, %w(calculations conversions) diff --git a/activesupport/lib/active_support/core_ext/date/acts_like.rb b/activesupport/lib/active_support/core_ext/date/acts_like.rb new file mode 100644 index 0000000000..ea6cb38973 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/date/acts_like.rb @@ -0,0 +1,9 @@ +require 'date' + +class Date + # Enable more predictable duck-typing on Date-like classes. See + # Object#acts_like?. + def acts_like_date? + true + end +end diff --git a/activesupport/lib/active_support/core_ext/date/behavior.rb b/activesupport/lib/active_support/core_ext/date/behavior.rb deleted file mode 100644 index bd378eb375..0000000000 --- a/activesupport/lib/active_support/core_ext/date/behavior.rb +++ /dev/null @@ -1,42 +0,0 @@ -require 'date' - -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 - - # Date memoizes some instance methods using metaprogramming to wrap - # the methods with one that caches the result in an instance variable. - # - # If a Date is frozen but the memoized method hasn't been called, the - # first call will result in a frozen object error since the memo - # instance variable is uninitialized. - # - # Work around by eagerly memoizing before freezing. - # - # Ruby 1.9 uses a preinitialized instance variable so it's unaffected. - # This hack is as close as we can get to feature detection: - begin - ::Date.today.freeze.jd - rescue => frozen_object_error - if frozen_object_error.message =~ /frozen/ - def freeze #:nodoc: - self.class.private_instance_methods(false).each do |m| - if m.to_s =~ /\A__\d+__\Z/ - instance_variable_set(:"@#{m}", [send(m)]) - end - end - - super - end - end - end - end - end - end -end diff --git a/activesupport/lib/active_support/core_ext/date/freeze.rb b/activesupport/lib/active_support/core_ext/date/freeze.rb new file mode 100644 index 0000000000..4edd715ba2 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/date/freeze.rb @@ -0,0 +1,31 @@ +# Date memoizes some instance methods using metaprogramming to wrap +# the methods with one that caches the result in an instance variable. +# +# If a Date is frozen but the memoized method hasn't been called, the +# first call will result in a frozen object error since the memo +# instance variable is uninitialized. +# +# Work around by eagerly memoizing before freezing. +# +# Ruby 1.9 uses a preinitialized instance variable so it's unaffected. +# This hack is as close as we can get to feature detection: +if RUBY_VERSION < '1.9' + require 'date' + begin + ::Date.today.freeze.jd + rescue => frozen_object_error + if frozen_object_error.message =~ /frozen/ + class Date #:nodoc: + def freeze + self.class.private_instance_methods(false).each do |m| + if m.to_s =~ /\A__\d+__\Z/ + instance_variable_set(:"@#{m}", [send(m)]) + end + end + + super + end + end + end + end +end |