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author | Sam Stephenson <sam@37signals.com> | 2005-12-15 20:03:23 +0000 |
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committer | Sam Stephenson <sam@37signals.com> | 2005-12-15 20:03:23 +0000 |
commit | 85fe1ecaefe415ac1de36883f5f6162f49bd5287 (patch) | |
tree | 34f87cac51f7009928bc6ba0604cddf62be01d3e /activesupport/lib/active_support/option_merger.rb | |
parent | fc4ffbdc69988b60bd17ffab5d8d81ec67a11180 (diff) | |
download | rails-85fe1ecaefe415ac1de36883f5f6162f49bd5287.tar.gz rails-85fe1ecaefe415ac1de36883f5f6162f49bd5287.tar.bz2 rails-85fe1ecaefe415ac1de36883f5f6162f49bd5287.zip |
Add Object#with_options for DRYing up multiple calls to methods having shared options
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3314 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'activesupport/lib/active_support/option_merger.rb')
-rw-r--r-- | activesupport/lib/active_support/option_merger.rb | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/option_merger.rb b/activesupport/lib/active_support/option_merger.rb new file mode 100644 index 0000000000..51a2ea1328 --- /dev/null +++ b/activesupport/lib/active_support/option_merger.rb @@ -0,0 +1,25 @@ +module ActiveSupport + class OptionMerger #:nodoc: + instance_methods.each do |method| + undef_method(method) if method !~ /^(__|instance_eval)/ + end + + def initialize(context, options) + @context, @options = context, options + end + + private + def method_missing(method, *arguments, &block) + merge_argument_options! arguments + @context.send(method, *arguments, &block) + end + + def merge_argument_options!(arguments) + arguments << if arguments.last.respond_to? :merge! + arguments.pop.dup.merge!(@options) + else + @options.dup + end + end + end +end |