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Make the strainer monkey patch more conservative and compatible

This commit is contained in:
Holger Just 2012-01-18 10:19:04 +01:00
parent 3c9e9764b0
commit a0a2776f95
1 changed files with 7 additions and 5 deletions
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12
lib/chili_project/liquid/liquid_ext/strainer.rb
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@ -19,20 +19,22 @@ module ChiliProject
module Strainer module Strainer
def self.included(base) def self.included(base)
base.extend(ClassMethods) base.extend(ClassMethods)
base.class_eval do
@@filters = [] base.class_attribute :filters, :instance_reader => false, :instance_writer => false
end base.class_eval <<-RUBY, __FILE__, __LINE__ + 1
self.filters = @@filters.values
RUBY
end end
module ClassMethods module ClassMethods
def global_filter(filter) def global_filter(filter)
raise ArgumentError, "Passed filter is not a module" unless filter.is_a?(Module) raise ArgumentError, "Passed filter is not a module" unless filter.is_a?(Module)
@@filters << filter filters += [filter]
end end
def create(context) def create(context)
strainer = self.new(context) strainer = self.new(context)
@@filters.each { |filter| strainer.extend(filter) } filters.each { |filter| strainer.extend(filter) }
strainer strainer
end end
end end