sbt/main/Project.scala

90 lines
3.7 KiB
Scala

/* sbt -- Simple Build Tool
* Copyright 2011 Mark Harrah
*/
package sbt
import java.io.File
import java.net.URI
import Project._
final case class Project(id: String, base: File, aggregate: Seq[ProjectRef] = Nil, dependencies: Seq[Project.ClasspathDependency] = Nil, inherits: Seq[ProjectRef] = Nil,
settings: Seq[Project.Setting[_]] = Project.defaultSettings, configurations: Seq[Configuration] = Configurations.default)
{
def uses = aggregate ++ dependencies.map(_.project)
}
object Project extends Init[Scope]
{
def defaultSettings: Seq[Setting[_]] = Nil
final case class ClasspathDependency(project: ProjectRef, configuration: Option[String])
final class Constructor(p: ProjectRef) {
def %(conf: String): ClasspathDependency = new ClasspathDependency(p, Some(conf))
}
def getOrError[T](state: State, key: AttributeKey[T], msg: String): T = state get key getOrElse error(msg)
def structure(state: State): Load.BuildStructure = getOrError(state, StructureKey, "No build loaded.")
def session(state: State): SessionSettings = getOrError(state, SessionKey, "Session not initialized.")
def current(state: State): (URI, String) =
{
val s = session(state)
val uri = s.currentBuild
(uri, s.currentProject(uri))
}
def currentRef(state: State): ProjectRef =
{
val (unit, it) = current(state)
ProjectRef(Some(unit), Some(it))
}
def display(scoped: ScopedKey[_]): String = Scope.display(scoped.scope, scoped.key.label)
def mapScope(f: Scope => Scope) = new (ScopedKey ~> ScopedKey) { def apply[T](key: ScopedKey[T]) =
ScopedKey( f(key.scope), key.key)
}
def transform(g: Scope => Scope, ss: Seq[Setting[_]]): Seq[Setting[_]] = {
val f = mapScope(g)
ss.map(_ mapKey f)
}
val SessionKey = AttributeKey[SessionSettings]("session-settings")
val StructureKey = AttributeKey[Load.BuildStructure]("build-structure")
}
import SessionSettings._
final class SessionSettings(val currentBuild: URI, val currentProject: Map[URI, String], val original: Seq[Setting[_]], val prepend: SessionMap, val append: SessionMap) {
assert(currentProject contains currentBuild, "Current build (" + currentBuild + ") not associated with a current project.")
def setCurrent(build: URI, project: String): SessionSettings = new SessionSettings(build, currentProject.updated(build, project), original, prepend, append)
def current: (URI, String) = (currentBuild, currentProject(currentBuild))
}
object SessionSettings {
type SessionSetting = (Setting[_], String)
type SessionMap = Map[(URI, String), Seq[SessionSetting]]
}
trait ProjectConstructors
{
implicit def configDependencyConstructor[T <% ProjectRef](p: T): Project.Constructor = new Project.Constructor(p)
implicit def classpathDependency[T <% ProjectRef](p: T): Project.ClasspathDependency = new Project.ClasspathDependency(p, None)
}
final case class ProjectRef(uri: Option[URI], id: Option[String])
object ProjectRef
{
def apply(base: URI, id: String): ProjectRef = ProjectRef(Some(base), Some(id))
/** Reference to the project with 'id' in the current build unit.*/
def apply(id: String): ProjectRef = ProjectRef(None, Some(id))
def apply(base: File, id: String): ProjectRef = ProjectRef(Some(base.toURI), Some(id))
/** Reference to the root project at 'base'.*/
def apply(base: URI): ProjectRef = ProjectRef(Some(base), None)
/** Reference to the root project at 'base'.*/
def apply(base: File): ProjectRef = ProjectRef(Some(base.toURI), None)
/** Reference to the root project in the current build unit.*/
def root = ProjectRef(None, None)
implicit def stringToRef(s: String): ProjectRef = ProjectRef(s)
implicit def projectToRef(p: Project): ProjectRef = ProjectRef(p.id)
implicit def uriToRef(u: URI): ProjectRef = ProjectRef(u)
implicit def fileToRef(f: File): ProjectRef = ProjectRef(f)
}