ill-testkit_2.13.0.12.0-RC2.source-code.ExampleParser.scala Maven / Gradle / Ivy
package mill.testkit
object ExampleParser {
def apply(testRepoRoot: os.Path): Seq[(String, String)] = {
val states = collection.mutable.Buffer("scala")
val chunks = collection.mutable.Buffer(collection.mutable.Buffer.empty[String])
val rootBuildFileNames = Seq("build.sc", "build.mill", "build.mill.scala")
val buildFile = rootBuildFileNames.map(testRepoRoot / _)
.find(os.exists)
.getOrElse(
sys.error(
s"No build file named ${rootBuildFileNames.mkString("/")} found in $testRepoRoot"
)
)
for (line <- os.read.lines(buildFile)) {
val (newState, restOpt) = line match {
case s"/** Usage" => ("example", None)
case s"/** See Also: $path */" =>
(s"see:$path", Some(os.read(os.Path(path, testRepoRoot))))
case s"*/" => ("scala", None)
case s"//$rest" => ("comment", Some(rest.stripPrefix(" ")))
case l => (if (states.last == "comment") "scala" else states.last, Some(l))
}
if (newState != states.last) {
states.append(newState)
chunks.append(collection.mutable.Buffer.empty[String])
}
restOpt.foreach(r => chunks.last.append(r))
}
states.zip(chunks.map(_.mkString("\n").trim)).filter(_._2.nonEmpty).toSeq
}
}