CBT Version 1.0-BETA

1 files changed, 41 insertions, 0 deletions

diff --git a/stage1/logger.scala b/stage1/logger.scala
new file mode 100644
index 0000000..16bd940
--- /dev/null
+++ b/stage1/logger.scala
@@ -0,0 +1,41 @@
+package cbt
+import java.time._
+// We can replace this with something more sophisticated eventually
+case class Logger(enabledLoggers: Set[String]){
+  val start = LocalTime.now()
+  //System.err.println("Created Logger("+enabledLoggers+")")
+  def this(enabledLoggers: Option[String]) = this( enabledLoggers.toVector.flatMap( _.split(",") ).toSet )
+  def log(name: String, msg: => String) = {
+    val timeTaken = (Duration.between(start, LocalTime.now()).toMillis.toDouble / 1000).toString
+    System.err.println( s"[${" "*(6-timeTaken.size)}$timeTaken]["+name+"] " + msg )
+  }
+ 
+  def showInvocation(method: String, args: Any) = method + "( " + args + " )"
+
+  final def stage1(msg: => String) = logGuarded(names.stage1, msg)
+  final def stage2(msg: => String) = logGuarded(names.stage2, msg)
+  final def loop(msg: => String) = logGuarded(names.loop, msg)
+  final def task(msg: => String) = logGuarded(names.task, msg)
+  final def composition(msg: => String) = logGuarded(names.composition, msg)
+  final def resolver(msg: => String) = logGuarded(names.resolver, msg)
+  final def lib(msg: => String) = logGuarded(names.lib, msg)
+
+  private object names{
+    val stage1 = "stage1"
+    val stage2 = "stage2"
+    val loop = "loop"
+    val task = "task"
+    val resolver = "resolver"
+    val composition = "composition"
+    val lib = "lib"
+  }
+
+  private def logGuarded(name: String, msg: => String) = {
+    if(
+      (enabledLoggers contains name)
+      || (enabledLoggers contains "all")
+    ){
+      log(name, msg)
+    }
+  }
+}
\ No newline at end of file