1 files changed, 50 insertions, 0 deletions
diff --git a/jni-library/src/main/scala/ch/jodersky/jni/Platform.scala b/jni-library/src/main/scala/ch/jodersky/jni/Platform.scala
new file mode 100644
index 0000000..db1662d
--- /dev/null
+++ b/jni-library/src/main/scala/ch/jodersky/jni/Platform.scala
@@ -0,0 +1,50 @@
+package ch.jodersky.jni
+
+import java.io.IOException
+import scala.sys.process.Process
+
+/**
+ * A platform is the representation of an architecture-kernel combination.
+ * It is a somewhat ambigous concept defined as the set of all system configurations
+ * capable of running a native binary.
+ */
+case class Platform private (arch: String, kernel: String) {
+
+  /**
+   * String representation of this platform. It is inspired by Autotools' platform
+   * triplet, without the vendor field.
+   */
+  def id = arch + "-" + kernel
+
+}
+
+object Platform {
+
+  final val Unknown = Platform("unknown", "unknown")
+
+  /** Create a platform with spaces stripped and case normalized. */
+  def normalized(arch: String, kernel: String): Platform = {
+    def normalize(str: String) = str.toLowerCase.filter(!_.isWhitespace)
+    Platform(normalize(arch), normalize(kernel))
+  }
+
+  /** Run 'uname' to determine current platform. Returns None if uname does not exist. */
+  def uname: Option[Platform] = {
+    val lineOpt = try {
+      Some(Process("uname -sm").lines.head)
+    } catch {
+      case _: IOException => None
+    }
+    lineOpt.map { line =>
+      val parts = line.split(" ")
+      if (parts.length != 2) {
+        sys.error("Could not determine platform: 'uname -sm' returned unexpected string: " + line)
+      } else {
+        Platform.normalized(parts(1), parts(0))
+      }
+    }
+  }
+
+  def current = uname
+
+}