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Contents
module CloudSesame
module Query
module Node
class Fuzziness
def initialize(&block)
# default fuzziness
@max_fuzziness = 3
@min_char_size = 6
@fuzzy_percent = 0.17
instance_eval &block if block_given?
end
def max_fuzziness(int)
@max_fuzziness = int.to_i
end
def min_char_size(int)
@min_char_size = int.to_i
end
def fuzzy_percent(float)
@fuzzy_percent = float.to_f
end
def parse(string)
join_by_and each_with(string) { |word| fuzziness word }
end
private
def each_with(string, &block)
string.split(' ').map &block
end
def fuzziness(word)
if word.length >= @min_char_size && !excluding_term?(word)
fuzziness = (word.length * @fuzzy_percent).round
fuzziness = [fuzziness, @max_fuzziness].min
"#{word}~#{fuzziness}"
else
word
end
end
def join_by_and(args = [])
(args = args.compact).size > 1 ? "(#{ args.join('+') })" : args[0]
end
def excluding_term?(word)
!!word.match(/^\-/)
end
end
end
end
end
Version data entries
28 entries across 28 versions & 1 rubygems