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partialInput/fullInput methods on InputTask to apply input programmatically. ref #407.

This commit is contained in:
Mark Harrah 2013-03-08 14:23:31 -05:00
parent d6f78db0c9
commit 387f06e73a
1 changed files with 17 additions and 0 deletions
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17
main/settings/src/main/scala/sbt/InputTask.scala
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@ -11,10 +11,27 @@ final class InputTask[T] private(val parser: State => Parser[Task[T]])
{
def mapTask[S](f: Task[T] => Task[S]): InputTask[S] =
new InputTask[S](s => parser(s) map f)
def partialInput(in: String): InputTask[T] =
new InputTask[T](s => Parser(parser(s))(in) )
def fullInput(in: String): InputTask[T] = new InputTask[T]( s =>
Parser.parse(in, parser(s)) match {
case Right(v) => Parser.success(v)
case Left(msg) =>
val indented = msg.lines.map(" " + _).mkString("\n")
Parser.failure(s"Invalid programmatic input:\n$indented")
}
)
}
object InputTask
{
implicit class InitializeInput[T](i: Initialize[InputTask[T]]) {
def partialInput(in: String): Initialize[InputTask[T]] = i(_ partialInput in)
def fullInput(in: String): Initialize[InputTask[T]] = i(_ fullInput in)
}
implicit def inputTaskParsed[T](in: InputTask[T]): std.ParserInputTask[T] = ???
implicit def inputTaskInitParsed[T](in: Initialize[InputTask[T]]): std.ParserInputTask[T] = ???