add checkTypeBits

1 files changed, 13 insertions, 4 deletions

diff --git a/src/main/kotlin/QID.kt b/src/main/kotlin/QID.kt
index ed5abbf..3e32523 100644
--- a/src/main/kotlin/QID.kt
+++ b/src/main/kotlin/QID.kt
@@ -66,19 +66,28 @@ class QID {
         this.path = InMessage.convInteger(rawPath, 0, rawPath.size).toLong().toULong()
     }
 
+    /**
+     * Check bit values in [type]. In case of multiple bits, the method returns true if at least one of them is 1.
+     *
+     * @param bits A byte whose bits set to 1 are checked.
+     */
+    private fun checkTypeBits(bits: UByte): Boolean {
+        return this.type.and(bits) != 0u.toUByte()
+    }
+
     private fun getIsDirectory(): Boolean {
-        return this.type.and(0x80.toUByte()) != 0u.toUByte()
+        return checkTypeBits(0x80u)
     }
 
     private fun getIsAppendOnly(): Boolean {
-        return this.type.and(0x40.toUByte()) != 0u.toUByte()
+        return checkTypeBits(0x40u)
     }
 
     private fun getIsExclusive(): Boolean {
-        return this.type.and(0x20.toUByte()) != 0u.toUByte()
+        return checkTypeBits(0x20u)
     }
 
     private fun getIsTemporary(): Boolean {
-        return this.type.and(0x04.toUByte()) != 0u.toUByte()
+        return checkTypeBits(0x04u)
     }
 }
\ No newline at end of file