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
|
package com.rockymadden.stringmetric
import scala.collection.immutable.Set
object Alphabet {
protected sealed abstract class AlphabetSet {
protected[Alphabet] val Chars: Set[Char]
def isSuperset(char: Char): Boolean = Chars.contains(char)
def isSuperset(charArray: Array[Char]): Boolean =
charArray.length > 0 && charArray.takeWhile(Chars.contains(_)).length == charArray.length
def isSuperset(string: String): Boolean = isSuperset(string.toCharArray)
}
case object LowercaseConsonant extends AlphabetSet {
override protected[Alphabet] final val Chars =
Set('b', 'c', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'm', 'n', 'p', 'q', 'r', 's', 't', 'v', 'w', 'x' ,'z')
}
case object UppercaseConsonant extends AlphabetSet {
override protected[Alphabet] final val Chars =
Set('B', 'C', 'D', 'F', 'G', 'H', 'J', 'K', 'L', 'M', 'N', 'P', 'Q', 'R', 'S', 'T', 'V', 'W', 'X' ,'Z')
}
case object Consonant extends AlphabetSet {
override protected[Alphabet] final val Chars = LowercaseConsonant.Chars ++ UppercaseConsonant.Chars
}
case object LowercaseVowel extends AlphabetSet {
override protected[Alphabet] final val Chars = Set('a', 'e', 'i', 'o', 'u')
}
case object UppercaseVowel extends AlphabetSet {
override protected[Alphabet] final val Chars = Set('A', 'E', 'I', 'O', 'U')
}
case object Vowel extends AlphabetSet {
override protected[Alphabet] final val Chars = LowercaseVowel.Chars ++ UppercaseVowel.Chars
}
case object LowercaseY extends AlphabetSet {
override protected[Alphabet] final val Chars = Set('y')
}
case object UppercaseY extends AlphabetSet {
override protected[Alphabet] final val Chars = Set('Y')
}
case object Y extends AlphabetSet {
override protected[Alphabet] final val Chars = LowercaseY.Chars ++ UppercaseY.Chars
}
case object LowercaseAlpha extends AlphabetSet {
override protected[Alphabet] final val Chars = LowercaseConsonant.Chars ++ LowercaseVowel.Chars ++ LowercaseY.Chars
}
case object UppercaseAlpha extends AlphabetSet {
override protected[Alphabet] final val Chars = UppercaseConsonant.Chars ++ UppercaseVowel.Chars ++ UppercaseY.Chars
}
case object Alpha extends AlphabetSet {
override protected[Alphabet] final val Chars = LowercaseAlpha.Chars ++ UppercaseAlpha.Chars
}
}
|
