blob: d1e7d3246dae8f185500aefae1eab2e039fd4bc2 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
package org.hashtree.stringmetric.cli.command
import org.hashtree.stringmetric.{ AsciiCaseStringFilter, StringFilterDelegate }
import org.hashtree.stringmetric.cli._
import org.hashtree.stringmetric.cli.command._
import org.hashtree.stringmetric.similarity.DiceSorensenMetric
/**
* The diceSorensenMetric [[org.hashtree.stringmetric.cli.command.Command]]. Compares the similarity of two strings
* using the Dice coefficient / Sorensen similarity index.
*/
object diceSorensenMetric extends Command {
override def main(args: Array[String]): Unit = {
val options = OptionMapUtility.toOptionMap(args)
try {
// Help.
if (options.contains('h) || options.contains('help)) {
help()
exit(options)
// Execute.
} else if (options.contains('dashless) && options('dashless).count(_ == ' ') == 1) {
execute(options)
exit(options)
// Invalid syntax.
} else throw new IllegalArgumentException("Expected valid syntax. See --help.")
} catch {
case e => error(e)(options)
}
}
override def help(): Unit = {
val ls = sys.props("line.separator")
val tab = " "
println(
"Compares the similarity of two strings using the Dice coefficient / Sorensen similarity index." + ls + ls +
"Syntax:" + ls +
tab + "diceSorensenMetric [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 = options('dashless).split(" ")
println(
DiceSorensenMetric.compare(
strings(0),
strings(1)
)(new StringFilterDelegate with AsciiCaseStringFilter).getOrElse("not comparable").toString
)
}
}
|