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module Cucumber
module CucumberExpressions
class GeneratedExpression
attr_reader :parameter_types
def initialize(expression_template, parameters_types)
@expression_template, @parameter_types = expression_template, parameters_types
end
def source
sprintf(@expression_template, *@parameter_types.map(&:name))
end
def parameter_names
usage_by_type_name = Hash.new(0)
@parameter_types.map do |t|
get_parameter_name(t.name, usage_by_type_name)
end
end
private
def get_parameter_name(type_name, usage_by_type_name)
count = usage_by_type_name[type_name]
count += 1
usage_by_type_name[type_name] = count
count == 1 ? type_name : "#{type_name}#{count}"
end
end
end
end
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