Brace expansion: Difference between revisions
Content deleted Content added
Added Kotlin |
→{{header|Kotlin}}: Updated example see https://github.com/dkandalov/rosettacode-kotlin for details |
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=={{header|Kotlin}}== |
=={{header|Kotlin}}== |
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{{trans|Java}} |
{{trans|Java}} |
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<lang scala>// version 1.1. |
<lang scala>// version 1.1.2 |
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object BraceExpansion { |
object BraceExpansion { |
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private val r = Regex("""([\\]{2}|[\\][,}{])""") |
private val r = Regex("""([\\]{2}|[\\][,}{])""") |
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private fun expandR(pre: String, s: String, suf: String) { |
private fun expandR(pre: String, s: String, suf: String) { |
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val noEscape = s.replace(r, " ") |
val noEscape = s.replace(r, " ") |
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var sb = StringBuilder("") |
var sb = StringBuilder("") |
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var i1 = noEscape.indexOf('{') |
var i1 = noEscape.indexOf('{') |
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var i2 = 0 |
var i2 = 0 |
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outer@ while (i1 != -1) { |
outer@ while (i1 != -1) { |
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while (i2 < s.length && depth > 0) { |
while (i2 < s.length && depth > 0) { |
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val c = noEscape[i2] |
val c = noEscape[i2] |
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if (c == '{') |
if (c == '{') |
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depth++ |
depth++ |
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else if (c == '}') |
else if (c == '}') |
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depth-- |
depth-- |
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if (c == ',' && depth == 1) |
if (c == ',' && depth == 1) |
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sb[i2] = '\u0000' |
sb[i2] = '\u0000' |
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else if (c == '}' && depth == 0 && sb.indexOf("\u0000") != -1) |
else if (c == '}' && depth == 0 && sb.indexOf("\u0000") != -1) |
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} |
} |
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i1 = noEscape.indexOf('{', i1 + 1) |
i1 = noEscape.indexOf('{', i1 + 1) |
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} |
} |
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if (i1 == -1) { |
if (i1 == -1) { |
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if (suf.length > 0) |
if (suf.length > 0) |
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else |
else |
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println("$pre$s$suf") |
println("$pre$s$suf") |
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} |
} |
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else { |
else { |
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for (m in sb.substring(i1 + 1, i2).split('\u0000')) |
for (m in sb.substring(i1 + 1, i2).split('\u0000')) |
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fun main(args: Array<String>) { |
fun main(args: Array<String>) { |
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val strings = arrayOf( |
val strings = arrayOf( |
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"""~/{Downloads,Pictures}/*.{jpg,gif,png}""", |
"""~/{Downloads,Pictures}/*.{jpg,gif,png}""", |
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"""It{{em,alic}iz,erat}e{d,}, please.""", |
"""It{{em,alic}iz,erat}e{d,}, please.""", |
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