1 files changed, 0 insertions, 135 deletions
diff --git a/core/source/core/scala/com/rockymadden/stringmetric/phonetic/RefinedNysiisAlgorithm.scala b/core/source/core/scala/com/rockymadden/stringmetric/phonetic/RefinedNysiisAlgorithm.scala
deleted file mode 100755
index 334e9e3..0000000
--- a/core/source/core/scala/com/rockymadden/stringmetric/phonetic/RefinedNysiisAlgorithm.scala
+++ /dev/null
@@ -1,135 +0,0 @@
-package com.rockymadden.stringmetric.phonetic
-
-import com.rockymadden.stringmetric.{StringAlgorithm, StringFilter}
-import com.rockymadden.stringmetric.Alphabet.{Alpha, LowercaseVowel}
-import scala.annotation.{switch, tailrec}
-
-/** An implementation of the refined NYSIIS algorithm. */
-class RefinedNysiisAlgorithm extends StringAlgorithm[DummyImplicit, String] { this: StringFilter =>
-	final override def compute(charArray: Array[Char])(implicit di: DummyImplicit): Option[Array[Char]] = {
-		val fca = filter(charArray)
-
-		if (fca.length == 0 || !(Alpha isSuperset fca.head)) None
-		else {
-			val lfca = fca.map(_.toLower)
-			val tlh = transcodeLast(transcodeHead(lfca.head +: cleanLast(lfca.tail, Set('s', 'z'))))
-			val t = transcode(Array.empty[Char], tlh.head, tlh.tail, Array.empty[Char])
-
-			if (t.length == 1) Some(t)
-			else Some(deduplicate(t.head +: cleanTerminal(cleanLast(t.tail, Set('a')))))
-		}
-	}
-
-	final override def compute(string: String)(implicit di: DummyImplicit): Option[String] =
-		compute(string.toCharArray).map(_.mkString)
-
-	private[this] def cleanLast(ca: Array[Char], s: Set[Char]) =
-		if (ca.length == 0) ca
-		else if(s.contains(ca.last)) ca.dropRight(ca.reverseIterator.takeWhile(c => s.contains(c)).length)
-		else ca
-
-	private[this] def cleanTerminal(ca: Array[Char]) =
-		if (ca.length >= 2 && ca.last == 'y' && ca(ca.length - 2) == 'a') ca.dropRight(2) :+ 'y'
-		else ca
-
-	private[this] def deduplicate(ca: Array[Char]) =
-		if (ca.length <= 1) ca
-		else ca.sliding(2).withFilter(a => a(0) != a(1)).map(a => a(0)).toArray[Char] :+ ca.last
-
-	@tailrec
-	private[this] def transcode(l: Array[Char], c: Char, r: Array[Char], o: Array[Char]): Array[Char] = {
-		if (c == '\0' && r.length == 0) o
-		else {
-			def shift(d: Int, ca: Array[Char]) = {
-				val sca = r.splitAt(d - 1)
-
-				(
-					if (sca._1.length > 0) (l :+ c) ++ sca._1 else l :+ c,
-					if (sca._2.length > 0) sca._2.head else '\0',
-					if (sca._2.length > 1) sca._2.tail else Array.empty[Char],
-					ca
-				)
-			}
-
-			val t = {
-				(c: @switch) match {
-					case 'a' | 'i' | 'o' | 'u' =>
-						if (l.length == 0) shift(1, o :+ c)
-						else shift(1, o :+ 'a')
-					case 'b' | 'c' | 'f' | 'j' | 'l' | 'n' | 'r' | 't' | 'v' | 'x' => shift(1, o :+ c)
-					case 'd' =>
-						if (r.length >= 1 && r.head == 'g') shift(2, o :+ 'g') else shift(1, o :+ c)
-					case 'e' =>
-						if (l.length == 0) shift(1, o :+ c)
-						else if (r.length >= 1 && r.head == 'v') shift(2, o ++ Array('a', 'f'))
-						else shift(1, o :+ 'a')
-					case 'g' =>
-						if (r.length >= 2 && r.head == 'h' && r(1) == 't') shift(3, o ++ Array('g', 't'))
-						else shift(1, o :+ c)
-					case 'h' =>
-						if (l.length == 0) shift(1, o :+ c)
-						else if (!(LowercaseVowel isSuperset l.last) || (r.length >= 1 && !(LowercaseVowel isSuperset r.head))) shift(1, o)
-						else shift(1, o :+ c)
-					case 'k' => if (r.length >= 1 && r.head == 'n') shift(2, o :+ 'n') else shift(1, o :+ 'c')
-					case 'm' => if (l.length == 0) shift(1, o :+ c) else shift(1, o :+ 'n')
-					case 'p' => if (r.length >= 1 && r.head == 'h') shift(2, o :+ 'f') else shift(1, o :+ c)
-					case 'q' => if (l.length == 0) shift(1, o :+ c) else shift(1, o :+ 'g')
-					case 's' =>
-						if (r.length >= 2 && r.head == 'c' && r(1) == 'h') shift(3, o :+ c)
-						else if (r.length >= 1 && r.head == 'h') shift(2, o :+ c)
-						else shift(1, o :+ c)
-					case 'w' =>
-						if (l.length >= 1 && (LowercaseVowel isSuperset l.last)) shift(1, o)
-						else if (r.length >= 1 && r.head == 'r') shift(2, o :+ 'r')
-						else shift(1, o :+ c)
-					case 'y' =>
-						if (l.length >= 1 && r.length >= 2 && r.head == 'w') shift(2, o :+ 'a')
-						else if (r.length >= 1 && r.head == 'w') shift(2, o :+ c)
-						else if (l.length >= 1 && r.length >= 1) shift(1, o :+ 'a')
-						else shift(1, o :+ c)
-					case 'z' => if (l.length == 0) shift(1, o :+ c) else shift(1, o :+ 's')
-					case _ => shift(1, o)
-				}
-			}
-
-			transcode(t._1, t._2, t._3, t._4)
-		}
-	}
-
-	private[this] def transcodeHead(ca: Array[Char]) = {
-		if (ca.length == 0) ca
-		else
-			(ca.head: @switch) match {
-				case 'm' if (ca.length >= 3 && ca(1) == 'a' && ca(2) == 'c') => Array('m', 'c') ++ ca.takeRight(ca.length - 3)
-				case 'p' if (ca.length >= 2 && ca(1) == 'f') => 'f' +: ca.takeRight(ca.length - 2)
-				case _ => ca
-			}
-	}
-
-	private[this] def transcodeLast(ca: Array[Char]) = {
-		if (ca.length >= 2) {
-			val lc = ca(ca.length - 1)
-			val lcm1 = ca(ca.length - 2)
-			lazy val t2 = ca.take(ca.length - 2)
-
-			(lc: @switch) match {
-				case 'd' if (lcm1 == 'n' || lcm1 == 'r') => t2 :+ 'd'
-				case 'e' if (lcm1 == 'e' || lcm1 == 'i' || lcm1 =='y') => t2 :+ 'y'
-				case 't' if (lcm1 == 'd' || lcm1 == 'n' || lcm1 == 'r') => t2 :+ 'd'
-				case 'x' if (lcm1 == 'e') => t2 ++ Array('e', 'c')
-				case 'x' if (lcm1 == 'i') => t2 ++ Array('i', 'c')
-				case _ => ca
-			}
-		} else ca
-	}
-}
-
-object RefinedNysiisAlgorithm {
-	private lazy val self = apply()
-
-	def apply(): RefinedNysiisAlgorithm = new RefinedNysiisAlgorithm with StringFilter
-
-	def compute(charArray: Array[Char]) = self.compute(charArray)
-
-	def compute(string: String) = self.compute(string)
-}