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/*
* This file contains code originally published under the following license:
*
* Copyright (c) 2012, Roman Timushev
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package mill.scalalib.dependency.versions
import scala.util.matching.Regex
import scala.util.matching.Regex.Groups
private[dependency] sealed trait Version {
def major: Long
def minor: Long
def patch: Long
}
private[dependency] case class ValidVersion(text: String,
releasePart: List[Long],
preReleasePart: List[String],
buildPart: List[String])
extends Version {
def major: Long = releasePart.headOption getOrElse 0
def minor: Long = releasePart.drop(1).headOption getOrElse 1
def patch: Long = releasePart.drop(2).headOption getOrElse 1
override def toString: String = text
}
private[dependency] case class InvalidVersion(text: String) extends Version {
def major: Long = -1
def minor: Long = -1
def patch: Long = -1
}
private[dependency] object ReleaseVersion {
private val releaseKeyword: Regex = "(?i)final|release".r
def unapply(v: Version): Option[List[Long]] = v match {
case ValidVersion(_, releasePart, Nil, Nil) => Some(releasePart)
case ValidVersion(_, releasePart, releaseKeyword() :: Nil, Nil) =>
Some(releasePart)
case _ => None
}
}
private[dependency] object PreReleaseVersion {
def unapply(v: Version): Option[(List[Long], List[String])] = v match {
case ValidVersion(_, releasePart, preReleasePart, Nil)
if preReleasePart.nonEmpty =>
Some(releasePart, preReleasePart)
case _ => None
}
}
private[dependency] object PreReleaseBuildVersion {
def unapply(v: Version): Option[(List[Long], List[String], List[String])] =
v match {
case ValidVersion(_, releasePart, preReleasePart, buildPart)
if preReleasePart.nonEmpty && buildPart.nonEmpty =>
Some(releasePart, preReleasePart, buildPart)
case _ => None
}
}
private[dependency] object SnapshotVersion {
def unapply(v: Version): Option[(List[Long], List[String], List[String])] =
v match {
case ValidVersion(_, releasePart, preReleasePart, buildPart)
if preReleasePart.lastOption.contains("SNAPSHOT") =>
Some(releasePart, preReleasePart, buildPart)
case _ => None
}
}
private[dependency] object BuildVersion {
def unapply(v: Version): Option[(List[Long], List[String])] = v match {
case ValidVersion(_, releasePart, Nil, buildPart) if buildPart.nonEmpty =>
Some(releasePart, buildPart)
case _ => None
}
}
private[dependency] object Version {
def apply(text: String): Version = synchronized {
VersionParser
.parse(text)
.fold(
(_, _, _) => InvalidVersion(text),
{ case ((a, b, c), _) => ValidVersion(text, a.toList, b.toList, c.toList)}
)
}
implicit def versionOrdering: Ordering[Version] = VersionOrdering
}
private[dependency] object VersionOrdering extends Ordering[Version] {
private val subParts = "(\\d+)?(\\D+)?".r
private def parsePart(s: String): Seq[Either[Int, String]] =
try {
subParts
.findAllIn(s)
.matchData
.flatMap {
case Groups(num, str) =>
Seq(Option(num).map(_.toInt).map(Left.apply),
Option(str).map(Right.apply))
}
.flatten
.toList
} catch {
case _: NumberFormatException => List(Right(s))
}
private def toOpt(x: Int): Option[Int] = if (x == 0) None else Some(x)
private def comparePart(a: String, b: String) = {
if (a == b) None
else
(parsePart(a) zip parsePart(b)) map {
case (Left(x), Left(y)) => x compareTo y
case (Left(_), Right(_)) => -1
case (Right(_), Left(_)) => 1
case (Right(x), Right(y)) => x compareTo y
} find (0 != _) orElse Some(a compareTo b)
}
private def compareNumericParts(a: List[Long], b: List[Long]): Option[Int] =
(a, b) match {
case (ah :: at, bh :: bt) =>
toOpt(ah compareTo bh) orElse compareNumericParts(at, bt)
case (ah :: at, Nil) =>
toOpt(ah compareTo 0L) orElse compareNumericParts(at, Nil)
case (Nil, bh :: bt) =>
toOpt(0L compareTo bh) orElse compareNumericParts(Nil, bt)
case (Nil, Nil) =>
None
}
private def compareParts(a: List[String], b: List[String]): Option[Int] =
(a, b) match {
case (ah :: at, bh :: bt) =>
comparePart(ah, bh) orElse compareParts(at, bt)
case (_ :: _, Nil) =>
Some(1)
case (Nil, _ :: _) =>
Some(-1)
case (Nil, Nil) =>
None
}
def compare(x: Version, y: Version): Int = (x, y) match {
case (InvalidVersion(a), InvalidVersion(b)) =>
a compareTo b
case (InvalidVersion(_), _) =>
-1
case (_, InvalidVersion(_)) =>
1
case (ReleaseVersion(r1), ReleaseVersion(r2)) =>
compareNumericParts(r1, r2) getOrElse 0
case (ReleaseVersion(r1), PreReleaseVersion(r2, p2)) =>
compareNumericParts(r1, r2) getOrElse 1
case (ReleaseVersion(r1), PreReleaseBuildVersion(r2, p2, b2)) =>
compareNumericParts(r1, r2) getOrElse 1
case (ReleaseVersion(r1), BuildVersion(r2, b2)) =>
compareNumericParts(r1, r2) getOrElse -1
case (PreReleaseVersion(r1, p1), ReleaseVersion(r2)) =>
compareNumericParts(r1, r2) getOrElse -1
case (PreReleaseVersion(r1, p1), PreReleaseVersion(r2, p2)) =>
compareNumericParts(r1, r2) orElse compareParts(p1, p2) getOrElse 0
case (PreReleaseVersion(r1, p1), PreReleaseBuildVersion(r2, p2, b2)) =>
compareNumericParts(r1, r2) orElse compareParts(p1, p2) getOrElse -1
case (PreReleaseVersion(r1, p1), BuildVersion(r2, b2)) =>
compareNumericParts(r1, r2) getOrElse -1
case (PreReleaseBuildVersion(r1, p1, b1), ReleaseVersion(r2)) =>
compareNumericParts(r1, r2) getOrElse -1
case (PreReleaseBuildVersion(r1, p1, b1), PreReleaseVersion(r2, p2)) =>
compareNumericParts(r1, r2) orElse compareParts(p1, p2) getOrElse 1
case (PreReleaseBuildVersion(r1, p1, b1),
PreReleaseBuildVersion(r2, p2, b2)) =>
compareNumericParts(r1, r2) orElse
compareParts(p1, p2) orElse
compareParts(b1, b2) getOrElse
0
case (PreReleaseBuildVersion(r1, p1, b1), BuildVersion(r2, b2)) =>
compareNumericParts(r1, r2) getOrElse -1
case (BuildVersion(r1, b1), ReleaseVersion(r2)) =>
compareNumericParts(r1, r2) getOrElse 1
case (BuildVersion(r1, b1), PreReleaseVersion(r2, p2)) =>
compareNumericParts(r1, r2) getOrElse 1
case (BuildVersion(r1, b1), PreReleaseBuildVersion(r2, p2, b2)) =>
compareNumericParts(r1, r2) getOrElse 1
case (BuildVersion(r1, b1), BuildVersion(r2, b2)) =>
compareNumericParts(r1, r2) orElse compareParts(b1, b2) getOrElse 0
}
}
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