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Versions: 21
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Contents
module Spec
module Story
class Step
PARAM_PATTERN = /(\$\w*)/
PARAM_OR_GROUP_PATTERN = /(\$\w*)|\(.*?\)/
attr_reader :name
def initialize(name, &block)
@name = name
assign_expression(name)
init_module(name, &block)
end
def perform(instance, *args)
instance.extend(@mod)
instance.__send__(sanitize(@name), *args)
end
def init_module(name, &block)
sanitized_name = sanitize(name)
@mod = Module.new do
define_method(sanitized_name, &block)
end
end
def sanitize(a_string_or_regexp)
return a_string_or_regexp.source if Regexp == a_string_or_regexp
a_string_or_regexp.to_s
end
def matches?(name)
!(matches = name.match(@expression)).nil?
end
def parse_args(name)
name.match(@expression)[1..-1]
end
private
def assign_expression(string_or_regexp)
if String === string_or_regexp
expression = string_or_regexp.dup
expression.gsub! '(', '\('
expression.gsub! ')', '\)'
elsif Regexp === string_or_regexp
expression = string_or_regexp.source
end
while expression =~ PARAM_PATTERN
expression.gsub!($1, "(.*?)")
end
@expression = Regexp.new("^#{expression}$")
end
end
end
end
Version data entries
21 entries across 21 versions & 5 rubygems