diff options
Diffstat (limited to 'cli/source/main/scala/com/rockymadden/stringmetric/cli/similarity/levenshteinmetric.scala')
-rwxr-xr-x | cli/source/main/scala/com/rockymadden/stringmetric/cli/similarity/levenshteinmetric.scala | 54 |
1 files changed, 16 insertions, 38 deletions
diff --git a/cli/source/main/scala/com/rockymadden/stringmetric/cli/similarity/levenshteinmetric.scala b/cli/source/main/scala/com/rockymadden/stringmetric/cli/similarity/levenshteinmetric.scala index 6146750..9cfb021 100755 --- a/cli/source/main/scala/com/rockymadden/stringmetric/cli/similarity/levenshteinmetric.scala +++ b/cli/source/main/scala/com/rockymadden/stringmetric/cli/similarity/levenshteinmetric.scala @@ -3,43 +3,21 @@ package com.rockymadden.stringmetric.cli.similarity import com.rockymadden.stringmetric.cli._ import com.rockymadden.stringmetric.similarity.LevenshteinMetric -/** - * The levenshteinmetric [[com.rockymadden.stringmetric.cli.Command]]. Compares the number of characters that two - * strings are different from one another via insertion, deletion, and substitution. - */ -object levenshteinmetric extends Command { - override def main(args: Array[String]): Unit = { - val options: OptionMap = args +case object levenshteinmetric extends Command( + (opts) => + "Compares the number of characters that two strings are different from one another via insertion, deletion, " + + "and substitution." + Ls + Ls + + "Syntax:" + Ls + + Tab + "levenshteinmetric [Options] string1 string2..." + Ls + Ls + + "Options:" + Ls + + Tab + "-h, --help" + Ls + + Tab + Tab + "Outputs description, syntax, and options.", + (opts) => opts.contains('dashless) && (opts('dashless): Array[String]).length == 2, + (opts) => { + val strings: Array[String] = opts('dashless) - try - if (options.contains('h) || options.contains('help)) { - help() - exit(options) - } else if (options.contains('dashless) && (options('dashless): Array[String]).length == 2) { - execute(options) - exit(options) - } else throw new IllegalArgumentException("Expected valid syntax. See --help.") - catch { case e: Throwable => error(e, options) } + LevenshteinMetric.compare(strings(0), strings(1)) + .map(_.toString) + .getOrElse("not comparable") } - - override def help(): Unit = { - val ls = sys.props("line.separator") - val tab = " " - - println( - "Compares the number of characters that two strings are different from one another via insertion, deletion, " + - "and substitution." + ls + ls + - "Syntax:" + ls + - tab + "levenshteinmetric [Options] string1 string2..." + ls + ls + - "Options:" + ls + - tab + "-h, --help" + ls + - tab + tab + "Outputs description, syntax, and options." - ) - } - - override def execute(options: OptionMap): Unit = { - val strings: Array[String] = options('dashless) - - println(LevenshteinMetric.compare(strings(0), strings(1)).getOrElse("not comparable")) - } -} +) |