mirror of https://github.com/sbt/sbt.git
36 lines
1.0 KiB
Scala
36 lines
1.0 KiB
Scala
/* sbt -- Simple Build Tool
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* Copyright 2011 Mark Harrah
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*/
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package sbt
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object Util
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{
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def separateE[A,B](ps: Seq[Either[A,B]]): (Seq[A], Seq[B]) =
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separate(ps)(Types.idFun)
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def separate[T,A,B](ps: Seq[T])(f: T => Either[A,B]): (Seq[A], Seq[B]) =
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{
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val (a,b) = ((Nil: Seq[A], Nil: Seq[B]) /: ps)( (xs, y) => prependEither(xs, f(y)) )
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(a.reverse, b.reverse)
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}
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def prependEither[A,B](acc: (Seq[A], Seq[B]), next: Either[A,B]): (Seq[A], Seq[B]) =
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next match
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{
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case Left(l) => (l +: acc._1, acc._2)
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case Right(r) => (acc._1, r +: acc._2)
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}
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def pairID[A,B] = (a: A, b: B) => (a,b)
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private[this] lazy val Hypen = """-(\p{javaLowerCase})""".r
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def hypenToCamel(s: String): String =
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Hypen.replaceAllIn(s, _.group(1).toUpperCase)
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private[this] lazy val Camel = """(\p{javaLowerCase})(\p{javaUpperCase})""".r
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def camelToHypen(s: String): String =
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Camel.replaceAllIn(s, m => m.group(1) + "-" + m.group(2).toLowerCase)
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def quoteIfKeyword(s: String): String = if(ScalaKeywords.values(s)) '`' + s + '`' else s
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}
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