diff options
Diffstat (limited to 'core/source/core/scala/com/rockymadden/stringmetric/phonetic/NysiisMetric.scala')
-rwxr-xr-x | core/source/core/scala/com/rockymadden/stringmetric/phonetic/NysiisMetric.scala | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/core/source/core/scala/com/rockymadden/stringmetric/phonetic/NysiisMetric.scala b/core/source/core/scala/com/rockymadden/stringmetric/phonetic/NysiisMetric.scala deleted file mode 100755 index 6d1c22c..0000000 --- a/core/source/core/scala/com/rockymadden/stringmetric/phonetic/NysiisMetric.scala +++ /dev/null @@ -1,40 +0,0 @@ -package com.rockymadden.stringmetric.phonetic - -import com.rockymadden.stringmetric.{StringFilter, StringMetric} -import com.rockymadden.stringmetric.Alphabet.Alpha - -/** An implementation of the NYSIIS metric. */ -class NysiisMetric extends StringMetric[DummyImplicit, Boolean] { this: StringFilter => - final override def compare(charArray1: Array[Char], charArray2: Array[Char]) - (implicit di: DummyImplicit): Option[Boolean] = { - - val unequal = (c1: Char, c2: Char) => { - val lc1 = c1.toLower - val lc2 = c2.toLower - - (if (lc1 == 'k') 'c' else lc1) != (if (lc2 == 'k') 'c' else lc2) - } - - val fca1 = filter(charArray1) - lazy val fca2 = filter(charArray2) - - if (fca1.length == 0 || !(Alpha isSuperset fca1.head) || fca2.length == 0 || !(Alpha isSuperset fca2.head)) None - else if (unequal(fca1.head, fca2.head)) Some(false) - else NysiisAlgorithm.compute(fca1).filter(_.length > 0).flatMap(ny1 => - NysiisAlgorithm.compute(fca2).filter(_.length > 0).map(ny1.sameElements(_)) - ) - } - - final override def compare(string1: String, string2: String)(implicit di: DummyImplicit): Option[Boolean] = - compare(string1.toCharArray, string2.toCharArray) -} - -object NysiisMetric { - private lazy val self = apply() - - def apply(): NysiisMetric = new NysiisMetric with StringFilter - - def compare(charArray1: Array[Char], charArray2: Array[Char]) = self.compare(charArray1, charArray2) - - def compare(string1: String, string2: String) = self.compare(string1, string2) -} |