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question.rb
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question.rb
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module Auto
module Question
def after_question(key=nil, value=nil, &block)
Questions.after_question(key, value, &block)
end
def before_question(key=nil, value=nil, &block)
Questions.before_question(key, value, &block)
end
def questions(hash={}, &block)
q = Questions
hash.each do |key, value|
q[key] = value
if before_question(key, value)
yield if block_given?
after_question(key, value)
end
end
q.questions
end
alias :question :questions
alias :q :questions
class Questions
cattr_accessor :questions
@@questions = {}
class <<self
def []=(key, value)
@@questions[key] = value
end
def [](key)
@@questions[key]
end
def after_question(key, value, &block)
@@after_question ||= []
if block
@@after_question << block
end
if key && !value.nil?
@@after_question.each do |callback|
callback.call(key, value)
end
end
end
def before_question(key, value, &block)
@@before_question ||= []
if block
@@before_question << block
end
if key && !value.nil?
result = true
@@before_question.each do |callback|
result = callback.call(key, value)
break unless result
end
return result
end
end
end
end
end
end