In Files
- did_you_mean/jaro_winkler.rb
Methods
Class/Module Index
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- DidYouMean
- DidYouMean::ClassNameChecker
- DidYouMean::ClassNameChecker::ClassName
- DidYouMean::Correctable
- DidYouMean::Jaro
- DidYouMean::JaroWinkler
- DidYouMean::KeyErrorChecker
- DidYouMean::MethodNameChecker
- DidYouMean::NullChecker
- DidYouMean::PlainFormatter
- DidYouMean::RequirePathChecker
- DidYouMean::SpellChecker
- DidYouMean::TreeSpellChecker
- DidYouMean::VariableNameChecker
- DidYouMean::VerboseFormatter
DidYouMean::JaroWinkler
Public Instance Methods
distance(str1, str2)
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# File did_you_mean/jaro_winkler.rb, line 68
def distance(str1, str2)
jaro_distance = Jaro.distance(str1, str2)
if jaro_distance > THRESHOLD
codepoints2 = str2.codepoints
prefix_bonus = 0
i = 0
str1.each_codepoint do |char1|
char1 == codepoints2[i] && i < 4 ? prefix_bonus += 1 : break
i += 1
end
jaro_distance + (prefix_bonus * WEIGHT * (1 - jaro_distance))
else
jaro_distance
end
end