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Contents
module Indirizzo
# The NumberMap class provides a means for mapping ordinal
# and cardinal number words to digits and back.
class NumberMap < Hash
attr_accessor :regexp
def self.[] (array)
nmap = self.new({})
array.each {|item| nmap << item }
nmap.build_match
nmap
end
def initialize (array)
@count = 0
end
def build_match
@regexp = Regexp.new(
'\b(' + keys.flatten.join("|") + ')\b',
Regexp::IGNORECASE)
end
def clean (key)
key.is_a?(String) ? key.downcase.gsub(/\W/o, "") : key
end
def <<(item)
store clean(item), @count
store @count, item
@count += 1
end
def [] (key)
super(clean(key))
end
end
# The Cardinals constant maps digits to cardinal number words and back.
Cardinals = NumberMap[%w[
zero one two three four five six seven eight nine ten
eleven twelve thirteen fourteen fifteen sixteen seventeen
eighteen nineteen
]]
Cardinal_Tens = %w[ twenty thirty forty fifty sixty seventy eighty ninety ]
Cardinal_Tens.each {|tens|
Cardinals << tens
(1..9).each {|n| Cardinals << tens + "-" + Cardinals[n]}
}
# The Ordinals constant maps digits to ordinal number words and back.
Ordinals = NumberMap[%w[
zeroth first second third fourth fifth sixth seventh eighth ninth
tenth eleventh twelfth thirteenth fourteenth fifteenth sixteenth
seventeenth eighteenth nineteenth
]]
Cardinal_Tens.each {|tens|
Ordinals << tens.gsub("y","ieth")
(1..9).each {|n| Ordinals << tens + "-" + Ordinals[n]}
}
end
Version data entries
7 entries across 7 versions & 2 rubygems