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Contents
# encoding: UTF-8
# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0
require 'set'
module TwitterCldr
module Shared
class PostalCodeGenerator
SAMPLE_MULTIPLIER = 4
def initialize(regexp_ast)
@regexp_generator = TwitterCldr::Utils::RegexpSampler.new(regexp_ast)
end
def generate
clean_result(@regexp_generator.generate)
end
def sample(sample_size = 1)
sample_set = Set.new
counter = 1
until sample_set.size == sample_size
sample = generate
sample_set << sample unless sample.empty?
counter += 1
# Stop if the number of attempted generations is
# n times more than requested. Some territories only
# have one postal code, so if the user asks for 10
# they'll get an infinite loop.
break if counter > sample_size * SAMPLE_MULTIPLIER
end
sample_set.to_a
end
private
# remove spaces that trail a dash
def clean_result(str)
str.gsub(/- /, '-')
end
end
end
end
Version data entries
63 entries across 63 versions & 3 rubygems