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Contents
# encoding: utf-8
module XapianDb
module Repositories
# The stopper is a repository that manages stoppers for the supported
# languges
# @author Gernot Kogler
class Stopper
class << self
# Get or build the stopper for a language
# @param [Symbol, String] iso_cd The iso code for the language (:en, :de ...)
# @return [Xapian::SimpleStopper] The Stopper for this lanugage
def stopper_for(iso_cd)
@stoppers ||= {}
return nil if iso_cd.nil?
key = iso_cd.to_sym
# Do we already have a stopper for this language?
return @stoppers[key] unless @stoppers[key].nil?
# build the stopper
stopper = Xapian::SimpleStopper.new
stopwords_file = File.join(File.dirname(__FILE__), '../stopwords', "#{iso_cd}.txt")
return nil unless File.exist? stopwords_file
open(stopwords_file, "r") do |file|
file.each do |word|
stopper.add word.chomp
end
end
@stoppers[key] = stopper
end
end
end
end
end
Version data entries
64 entries across 64 versions & 1 rubygems