sbt/main/Act.scala

68 lines
2.8 KiB
Scala

/* sbt -- Simple Build Tool
* Copyright 2011 Mark Harrah
*/
package sbt
import Project.ScopedKey
import CommandSupport.logger
import Load.BuildStructure
import complete.{DefaultParsers, Parser}
import DefaultParsers._
import java.net.URI
object Act
{
// this does not take delegation into account
def scopedKey(index: KeyIndex, currentBuild: URI, currentProject: String, keyMap: Map[String, AttributeKey[_]]): Parser[ScopedKey[_]] =
{
for {
proj <- optProjectRef(index, currentBuild, currentProject)
conf <- configs( index configs proj )
key <- keyRef( index.keys(proj, conf), keyMap ) }
yield
ScopedKey( Scope( Select(proj), toAxis(conf map ConfigKey.apply, Global), Global, Global), key )
}
def toAxis[T](opt: Option[T], ifNone: ScopeAxis[Nothing]): ScopeAxis[T] =
opt match { case Some(t) => Select(t); case None => ifNone }
def configs(confs: Set[String]) = token( (ID examples confs) <~ ':' ).?
def keyRef(keys: Set[String], keyMap: Map[String, AttributeKey[_]]) = token( ID examples keys flatMap getKey(keyMap) )
def getKey(keyMap: Map[String, AttributeKey[_]])(keyString: String): Parser[AttributeKey[_]] =
keyMap.get(keyString) match { case Some(k) => success(k); case None => failure("Invalid key: " + keyString)}
def projectRef(index: KeyIndex, currentBuild: URI): Parser[ProjectRef] =
{
val uris = index.buildURIs
val build = token( '(' ~> Uri(uris).map(uri => Scope.resolveBuild(currentBuild, uri)) <~ ')') ?? currentBuild
def projectID(uri: URI) = token( ID.examples(index projects uri) <~ '/' )
for(uri <- build; id <- projectID(uri)) yield
ProjectRef(Some(uri), Some(id))
}
def optProjectRef(index: KeyIndex, currentBuild: URI, currentProject: String) =
projectRef(index, currentBuild) ?? ProjectRef(Some(currentBuild), Some(currentProject))
def valueParser(s: State, structure: BuildStructure)(key: ScopedKey[_]): Parser[() => State] =
structure.data.get(key.scope, key.key) match
{
case None => failure("Invalid setting or task")
case Some(input: InputTask[_]) => applyTask(s, structure, input.parser)
case Some(task: Task[_]) => applyTask(s, structure, success(task))
case Some(v) => success(() => { logger(s).info(v.toString); s})
}
def applyTask(s: State, structure: BuildStructure, p: Parser[Task[_]]): Parser[() => State] =
Command.applyEffect(p) { t =>
import EvaluateTask._
processResult(runTask(t)(nodeView(structure, s)), logger(s))
s
}
def actParser(s: State): Parser[() => State] =
if(s get Project.SessionKey isEmpty) failure("No project loaded") else actParser0(s)
private[this] def actParser0(state: State) =
{
val extracted = Project extract state
import extracted._
scopedKey(structure.index.keyIndex, curi, cid, structure.index.keyMap) flatMap valueParser(state, structure)
}
}