Sha256: 8c063ef0090c91698f5ef1d2c66dd779b5d2aed39fe4816fe2a318990c063f5a
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Size: 1.32 KB
Versions: 8
Compression:
Stored size: 1.32 KB
Contents
class FuzzyMatch
# Records are the tokens that are passed around when doing scoring and optimizing.
class Record #:nodoc: all
# "Foo's" is one word
# "North-west" is just one word
# "Bolivia," is just Bolivia
WORD_BOUNDARY = %r{\W*(?:\s+|$)}
EMPTY = [].freeze
BLANK = ''.freeze
attr_reader :original
attr_reader :read
attr_reader :stop_words
def initialize(original, options = {})
@original = original
@read = options[:read]
@stop_words = options.fetch(:stop_words, EMPTY)
end
def inspect
"w(#{clean.inspect})"
end
def clean
@clean ||= begin
memo = whole.dup
stop_words.each do |stop_word|
memo.gsub! stop_word, BLANK
end
memo.strip.freeze
end
end
def words
@words ||= clean.downcase.split(WORD_BOUNDARY).freeze
end
def similarity(other)
Similarity.new self, other
end
def whole
@whole ||= case read
when ::NilClass
original
when ::Numeric, ::String
original[read]
when ::Proc
read.call original
when ::Symbol
original.respond_to?(read) ? original.send(read) : original[read]
else
raise "Expected nil, a proc, or a symbol, got #{read.inspect}"
end.to_s.strip.freeze
end
end
end
Version data entries
8 entries across 8 versions & 2 rubygems