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package com.rockymadden.stringmetric
object Metric {
import Transform.StringTransform
trait Metric[A, B] {
def compare(a: A, b: A): Option[B]
}
trait StringMetric[A] extends Metric[Array[Char], A] {
def compare(a: String, b: String): Option[A]
}
object StringMetric {
final val DiceSorensen = similarity.DiceSorensenMetric
final val Hamming = similarity.HammingMetric
final val Jaccard = similarity.JaccardMetric
final val Jaro = similarity.JaroMetric
final val JaroWinkler = similarity.JaroWinklerMetric
final val Levenshtein = similarity.LevenshteinMetric
final val Metaphone = phonetic.MetaphoneMetric
final val NGram = similarity.NGramMetric
final val Nysiis = phonetic.NysiisMetric
final val Overlap = similarity.OverlapMetric
final val RefinedNysiis = phonetic.RefinedNysiisMetric
final val RefinedSoundex = phonetic.RefinedSoundexMetric
final val Soundex = phonetic.SoundexMetric
final val WeightedLevenshtein = similarity.WeightedLevenshteinMetric
def compareWithDiceSorensen(n: Int)(a: Array[Char], b: Array[Char]) = DiceSorensen(n).compare(a, b)
def compareWithHamming(a: Array[Char], b: Array[Char]) = Hamming.compare(a, b)
def compareWithJaccard(n: Int)(a: Array[Char], b: Array[Char]) = Jaccard(n).compare(a, b)
def compareWithJaro(a: Array[Char], b: Array[Char]) = Jaro.compare(a, b)
def compareWithJaroWinkler(a: Array[Char], b: Array[Char]) = JaroWinkler.compare(a, b)
def compareWithLevenshtein(a: Array[Char], b: Array[Char]) = Levenshtein.compare(a, b)
def compareWithMetaphone(a: Array[Char], b: Array[Char]) = Metaphone.compare(a, b)
def compareWithNGram(n: Int)(a: Array[Char], b: Array[Char]) = NGram(n).compare(a, b)
def compareWithNysiis(a: Array[Char], b: Array[Char]) = Nysiis.compare(a, b)
def compareWithOverlap(n: Int)(a: Array[Char], b: Array[Char]) = Overlap(n).compare(a, b)
def compareWithRefinedNysiis(a: Array[Char], b: Array[Char]) = RefinedNysiis.compare(a, b)
def compareWithRefinedSoundex(a: Array[Char], b: Array[Char]) = RefinedSoundex.compare(a, b)
def compareWithSoundex(a: Array[Char], b: Array[Char]) = Soundex.compare(a, b)
def compareWithWeightedLevenshtein(delete: BigDecimal, insert: BigDecimal, substitute: BigDecimal)
(a: Array[Char], b: Array[Char]) =
WeightedLevenshtein(delete, insert, substitute).compare(a, b)
}
final class StringMetricDecorator[A](val sm: StringMetric[A]) {
val withTransform: (StringTransform => StringMetric[A]) = (st) => new StringMetric[A] {
private[this] val self: StringMetric[A] = sm
private[this] val transform: StringTransform = st
override def compare(a: Array[Char], b: Array[Char]): Option[A] =
self.compare(transform(a), transform(b))
override def compare(a: String, b: String): Option[A] =
self.compare(transform(a.toCharArray), transform(b.toCharArray))
}
}
}
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