1 files changed, 16 insertions, 0 deletions
diff --git a/core/src/main/scala/com/rockymadden/stringmetric/phonetic/SoundexMetric.scala b/core/src/main/scala/com/rockymadden/stringmetric/phonetic/SoundexMetric.scala
new file mode 100755
index 0000000..eca32db
--- /dev/null
+++ b/core/src/main/scala/com/rockymadden/stringmetric/phonetic/SoundexMetric.scala
@@ -0,0 +1,16 @@
+package com.rockymadden.stringmetric.phonetic
+
+import com.rockymadden.stringmetric.Metric.StringMetric
+
+case object SoundexMetric extends StringMetric[Boolean] {
+	import com.rockymadden.stringmetric.Alphabet.Alpha
+
+	override def compare(a: Array[Char], b: Array[Char]): Option[Boolean] =
+		if (a.length == 0 || !(Alpha isSuperset a.head) || b.length == 0 || !(Alpha isSuperset b.head)) None
+		else if (a.head.toLower != b.head.toLower) Some(false)
+		else SoundexAlgorithm.compute(a).filter(_.length > 0).flatMap { se1 =>
+			SoundexAlgorithm.compute(b).filter(_.length > 0).map(se1.sameElements(_))
+		}
+
+	final override def compare(a: String, b: String): Option[Boolean] = compare(a.toCharArray, b.toCharArray)
+}