mirror of https://github.com/sbt/sbt.git
59 lines
2.2 KiB
Scala
59 lines
2.2 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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import java.io.File
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import java.net.URI
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// in all of these, the URI must be resolved and normalized before it is definitive
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/** Identifies a project or build. */
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sealed trait Reference
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/** A fully resolved, unique identifier for a project or build. */
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sealed trait ResolvedReference extends Reference
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/** Identifies a build. */
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sealed trait BuildReference extends Reference
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/** Identifies the build for the current context. */
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final case object ThisBuild extends BuildReference
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/** Uniquely identifies a build by a URI. */
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final case class BuildRef(build: URI) extends BuildReference with ResolvedReference
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/** Identifies a project. */
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sealed trait ProjectReference extends Reference
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/** Uniquely references a project by a URI and a project identifier String. */
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final case class ProjectRef(build: URI, project: String) extends ProjectReference with ResolvedReference
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/** Identifies a project in the current build context. */
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final case class LocalProject(project: String) extends ProjectReference
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/** Identifies the root project in the specified build. */
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final case class RootProject(build: URI) extends ProjectReference
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/** Identifies the root project in the current build context. */
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final case object LocalRootProject extends ProjectReference
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/** Identifies the project for the current context. */
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final case object ThisProject extends ProjectReference
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object ProjectRef
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{
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def apply(base: File, id: String): ProjectRef = ProjectRef(IO toURI base, id)
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}
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object RootProject
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{
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/** Reference to the root project at 'base'.*/
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def apply(base: File): RootProject = RootProject(IO toURI base)
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}
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object Reference
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{
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/** Extracts the build URI from a Reference if one has been explicitly defined.*/
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def uri(ref: Reference): Option[URI] = ref match {
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case RootProject(b) => Some(b)
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case ProjectRef(b, _) => Some(b)
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case BuildRef(b) => Some(b)
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case _ => None
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}
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implicit def uriToRef(u: URI): ProjectReference = RootProject(u)
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implicit def fileToRef(f: File): ProjectReference = RootProject(f)
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implicit def stringToReference(s: String): ProjectReference = LocalProject(s)
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implicit def projectToRef(p: Project): ProjectReference = LocalProject(p.id)
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} |