September 2017 Update
This commit is contained in:
Ingy döt Net
parent
bba7bfd280
commit
ba8067c3b7
14570 changed files with 153136 additions and 63871 deletions
181
Task/Natural-sorting/Kotlin/natural-sorting.kotlin
Normal file
181
Task/Natural-sorting/Kotlin/natural-sorting.kotlin
Normal file
|
|
@ -0,0 +1,181 @@
|
|||
// version 1.1.4-3
|
||||
|
||||
val r2 = Regex("""[ ]{2,}""")
|
||||
val r3 = Regex("""\s""") // \s represents any whitespace character
|
||||
val r5 = Regex("""\d+""")
|
||||
|
||||
/** Only covers ISO-8859-1 accented characters plus (for consistency) Ÿ */
|
||||
val ucAccented = arrayOf("ÀÁÂÃÄÅ", "Ç", "ÈÉÊË", "ÌÍÎÏ", "Ñ", "ÒÓÔÕÖØ", "ÙÚÛÜ", "ÝŸ")
|
||||
val lcAccented = arrayOf("àáâãäå", "ç", "èéêë", "ìíîï", "ñ", "òóôõöø", "ùúûü", "ýÿ")
|
||||
val ucNormal = "ACEINOUY"
|
||||
val lcNormal = "aceinouy"
|
||||
|
||||
/** Only the commoner ligatures */
|
||||
val ucLigatures = "ÆIJŒ"
|
||||
val lcLigatures = "æijœ"
|
||||
val ucSeparated = arrayOf("AE", "IJ", "OE")
|
||||
val lcSeparated = arrayOf("ae", "ij", "oe")
|
||||
|
||||
/** Miscellaneous replacements */
|
||||
val miscLetters = "ßſʒ"
|
||||
val miscReplacements = arrayOf("ss", "s", "s")
|
||||
|
||||
/** Displays strings including whitespace as if the latter were literal characters */
|
||||
fun String.toDisplayString(): String {
|
||||
val whitespace = arrayOf("\t", "\n", "\u000b", "\u000c", "\r")
|
||||
val whitespace2 = arrayOf("\\t", "\\n", "\\u000b", "\\u000c", "\\r")
|
||||
var s = this
|
||||
for (i in 0..4) s = s.replace(whitespace[i], whitespace2[i])
|
||||
return s
|
||||
}
|
||||
|
||||
/** Ignoring leading space(s) */
|
||||
fun selector1(s: String) = s.trimStart(' ')
|
||||
|
||||
/** Ignoring multiple adjacent spaces i.e. condensing to a single space */
|
||||
fun selector2(s: String) = s.replace(r2, " ")
|
||||
|
||||
/** Equivalent whitespace characters (equivalent to a space say) */
|
||||
fun selector3(s: String) = s.replace(r3, " ")
|
||||
|
||||
/** Case independent sort */
|
||||
fun selector4(s: String) = s.toLowerCase()
|
||||
|
||||
/** Numeric fields as numerics (deals with up to 20 digits) */
|
||||
fun selector5(s: String) = r5.replace(s) { it.value.padStart(20, '0') }
|
||||
|
||||
/** Title sort */
|
||||
fun selector6(s: String): String {
|
||||
if (s.startsWith("the ", true)) return s.drop(4)
|
||||
if (s.startsWith("an ", true)) return s.drop(3)
|
||||
if (s.startsWith("a ", true)) return s.drop(2)
|
||||
return s
|
||||
}
|
||||
|
||||
/** Equivalent accented characters (and case) */
|
||||
fun selector7(s: String): String {
|
||||
val sb = StringBuilder()
|
||||
outer@ for (c in s) {
|
||||
for ((i, ucs) in ucAccented.withIndex()) {
|
||||
if (c in ucs) {
|
||||
sb.append(ucNormal[i])
|
||||
continue@outer
|
||||
}
|
||||
}
|
||||
for ((i, lcs) in lcAccented.withIndex()) {
|
||||
if (c in lcs) {
|
||||
sb.append(lcNormal[i])
|
||||
continue@outer
|
||||
}
|
||||
}
|
||||
sb.append(c)
|
||||
}
|
||||
return sb.toString().toLowerCase()
|
||||
}
|
||||
|
||||
/** Separated ligatures */
|
||||
fun selector8(s: String): String {
|
||||
var ss = s
|
||||
for ((i, c) in ucLigatures.withIndex()) ss = ss.replace(c.toString(), ucSeparated[i])
|
||||
for ((i, c) in lcLigatures.withIndex()) ss = ss.replace(c.toString(), lcSeparated[i])
|
||||
return ss
|
||||
}
|
||||
|
||||
/** Character replacements */
|
||||
fun selector9(s: String): String {
|
||||
var ss = s
|
||||
for ((i, c) in miscLetters.withIndex()) ss = ss.replace(c.toString(), miscReplacements[i])
|
||||
return ss
|
||||
}
|
||||
|
||||
fun main(args: Array<String>) {
|
||||
println("The 9 string lists, sorted 'naturally':\n")
|
||||
val s1 = arrayOf(
|
||||
"ignore leading spaces: 2-2",
|
||||
" ignore leading spaces: 2-1",
|
||||
" ignore leading spaces: 2+0",
|
||||
" ignore leading spaces: 2+1"
|
||||
)
|
||||
s1.sortBy(::selector1)
|
||||
println(s1.map { "'$it'" }.joinToString("\n"))
|
||||
|
||||
val s2 = arrayOf(
|
||||
"ignore m.a.s spaces: 2-2",
|
||||
"ignore m.a.s spaces: 2-1",
|
||||
"ignore m.a.s spaces: 2+0",
|
||||
"ignore m.a.s spaces: 2+1"
|
||||
)
|
||||
println()
|
||||
s2.sortBy(::selector2)
|
||||
println(s2.map { "'$it'" }.joinToString("\n"))
|
||||
|
||||
val s3 = arrayOf(
|
||||
"Equiv. spaces: 3-3",
|
||||
"Equiv.\rspaces: 3-2",
|
||||
"Equiv.\u000cspaces: 3-1",
|
||||
"Equiv.\u000bspaces: 3+0",
|
||||
"Equiv.\nspaces: 3+1",
|
||||
"Equiv.\tspaces: 3+2"
|
||||
)
|
||||
println()
|
||||
s3.sortBy(::selector3)
|
||||
println(s3.map { "'$it'".toDisplayString() }.joinToString("\n"))
|
||||
|
||||
val s4 = arrayOf(
|
||||
"cASE INDEPENENT: 3-2",
|
||||
"caSE INDEPENENT: 3-1",
|
||||
"casE INDEPENENT: 3+0",
|
||||
"case INDEPENENT: 3+1"
|
||||
)
|
||||
println()
|
||||
s4.sortBy(::selector4)
|
||||
println(s4.map { "'$it'" }.joinToString("\n"))
|
||||
|
||||
val s5 = arrayOf(
|
||||
"foo100bar99baz0.txt",
|
||||
"foo100bar10baz0.txt",
|
||||
"foo1000bar99baz10.txt",
|
||||
"foo1000bar99baz9.txt"
|
||||
)
|
||||
println()
|
||||
s5.sortBy(::selector5)
|
||||
println(s5.map { "'$it'" }.joinToString("\n"))
|
||||
|
||||
val s6 = arrayOf(
|
||||
"The Wind in the Willows",
|
||||
"The 40th step more",
|
||||
"The 39 steps",
|
||||
"Wanda"
|
||||
)
|
||||
println()
|
||||
s6.sortBy(::selector6)
|
||||
println(s6.map { "'$it'" }.joinToString("\n"))
|
||||
|
||||
val s7 = arrayOf(
|
||||
"Equiv. ý accents: 2-2",
|
||||
"Equiv. Ý accents: 2-1",
|
||||
"Equiv. y accents: 2+0",
|
||||
"Equiv. Y accents: 2+1"
|
||||
)
|
||||
println()
|
||||
s7.sortBy(::selector7)
|
||||
println(s7.map { "'$it'" }.joinToString("\n"))
|
||||
|
||||
val s8 = arrayOf(
|
||||
"IJ ligatured ij",
|
||||
"no ligature"
|
||||
)
|
||||
println()
|
||||
s8.sortBy(::selector8)
|
||||
println(s8.map { "'$it'" }.joinToString("\n"))
|
||||
|
||||
val s9 = arrayOf(
|
||||
"Start with an ʒ: 2-2",
|
||||
"Start with an ſ: 2-1",
|
||||
"Start with an ß: 2+0",
|
||||
"Start with an s: 2+1"
|
||||
)
|
||||
println()
|
||||
s9.sortBy(::selector9)
|
||||
println(s9.map { "'$it'" }.joinToString("\n"))
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue