tscfg.codeDefs.package.scala Maven / Gradle / Ivy
package tscfg
import java.util.regex.Pattern
import scala.util.control.NonFatal
package object codeDefs {
private val beginTemplatePattern = Pattern.compile("\\s*//<([^>]+)>.*$")
private val javaMap = getMap("codeDefs/JavaDefs.java")
private val scalaMap = getMap("codeDefs/ScalaDefs.scala")
def javaDef(key: String): String = getDef("java", javaMap, key)
def scalaDef(key: String): String = getDef("scala", scalaMap, key)
private def getDef(lang: String, map: Map[String, String], key: String): String = {
try map(key)
catch {
// $COVERAGE-OFF$
case NonFatal(e) =>
val keys = map.keySet.toList.sorted
val msg = s"Unexpected: undefined key '$key' for $lang. Defined keys: $keys. Please report this bug"
throw new RuntimeException(msg, e)
// $COVERAGE-ON$
}
}
private def getMap(resourceName: String): Map[String, String] = try {
//println(s"codeDefs.getMap $resourceName")
val map = collection.mutable.HashMap[String, String]()
val is = getClass.getClassLoader.getResourceAsStream(resourceName)
assert(is != null)
val source = io.Source.fromInputStream(is, "utf-8")
var key: String = null
val template = new StringBuilder
for (line <- source.getLines()) {
if (key == null) {
val m = beginTemplatePattern.matcher(line)
if (m.find) {
key = m.group(1)
}
}
else if (line.contains("//")) {
map.update(key, template.toString)
key = null
template.setLength(0)
}
else template.append(line).append("\n")
}
is.close()
map.toMap
}
catch {
case NonFatal(ex) =>
throw new RuntimeException(
s"Unexpected exception in getMap(resourceName=$resourceName)." +
" Please report this bug.", ex)
}
}