diff options
Diffstat (limited to 'cli/source/core/scala/com/rockymadden/stringmetric/cli/similarity/dicesorensenmetric.scala')
-rwxr-xr-x | cli/source/core/scala/com/rockymadden/stringmetric/cli/similarity/dicesorensenmetric.scala | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/cli/source/core/scala/com/rockymadden/stringmetric/cli/similarity/dicesorensenmetric.scala b/cli/source/core/scala/com/rockymadden/stringmetric/cli/similarity/dicesorensenmetric.scala new file mode 100755 index 0000000..5d0e234 --- /dev/null +++ b/cli/source/core/scala/com/rockymadden/stringmetric/cli/similarity/dicesorensenmetric.scala @@ -0,0 +1,49 @@ +package com.rockymadden.stringmetric.cli.similarity + +import com.rockymadden.stringmetric.cli._ +import com.rockymadden.stringmetric.similarity.DiceSorensenMetric + +/** + * The dicesorensenmetric [[com.rockymadden.stringmetric.cli.Command]]. Compares the similarity of two strings using the + * Dice / Sorensen coefficient. + */ +object dicesorensenmetric extends Command { + override def main(args: Array[String]): Unit = { + val opts: OptionMap = args + + try + if (opts.contains('h) || opts.contains('help)) { + help() + exit(opts) + } else if (opts.contains('dashless) && (opts('dashless): Array[String]).length == 2 + && opts.contains('n) && (opts('n): Int) >= 1) { + + execute(opts) + exit(opts) + } else throw new IllegalArgumentException("Expected valid syntax. See --help.") + catch { case e: Throwable => error(e, opts) } + } + + override def help(): Unit = { + val ls = sys.props("line.separator") + val tab = " " + + println( + "Compares the similarity of two strings using the Dice / Sorensen coefficient." + ls + ls + + "Syntax:" + ls + + tab + "dicesorensenmetric [Options] string1 string2..." + ls + ls + + "Options:" + ls + + tab + "-h, --help" + ls + + tab + tab + "Outputs description, syntax, and opts." + + tab + "--n" + ls + + tab + tab + "The n-gram size, traditionally 2." + ) + } + + override def execute(opts: OptionMap): Unit = { + val strings: Array[String] = opts('dashless) + val n: Int = opts('n) + + println(DiceSorensenMetric.compare(strings(0), strings(1))(n).getOrElse("not comparable")) + } +} |