cpp-common/bt2: make setters return `*this`

[babeltrace.git] / src / cpp-common / bt2 / message-iterator.hpp

diff --git a/src/cpp-common/bt2/message-iterator.hpp b/src/cpp-common/bt2/message-iterator.hpp
index 9f3084b1fdf29a25b8e5717b319710c279f89f3d..36c144d09b81ddf1076f7de7dfee97f87e2eaaaf 100644 (file)
--- a/src/cpp-common/bt2/message-iterator.hpp
+++ b/src/cpp-common/bt2/message-iterator.hpp
@@ -41,7 +41,7 @@ public:
     using Shared =
         SharedObject<MessageIterator, bt_message_iterator, internal::MessageIteratorRefFuncs>;
 
-    explicit MessageIterator(const _LibObjPtr libObjPtr) noexcept : _ThisBorrowedObject {libObjPtr}
+    explicit MessageIterator(const LibObjPtr libObjPtr) noexcept : _ThisBorrowedObject {libObjPtr}
     {
     }
 
@@ -93,13 +93,13 @@ public:
         }
     }
 
-    void seekBeginning() const
+    MessageIterator seekBeginning() const
     {
         const auto status = bt_message_iterator_seek_beginning(this->libObjPtr());
 
         switch (status) {
         case BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK:
-            return;
+            break;
         case BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_AGAIN:
             throw TryAgain {};
         case BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_MEMORY_ERROR:
@@ -109,6 +109,8 @@ public:
         default:
             bt_common_abort();
         }
+
+        return *this;
     }
 
     bool canSeekNsFromOrigin(const std::int64_t nsFromOrigin) const
@@ -132,14 +134,14 @@ public:
         }
     }
 
-    void seekNsFromOrigin(const std::int64_t nsFromOrigin) const
+    MessageIterator seekNsFromOrigin(const std::int64_t nsFromOrigin) const
     {
         const auto status =
             bt_message_iterator_seek_ns_from_origin(this->libObjPtr(), nsFromOrigin);
 
         switch (status) {
         case BT_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_STATUS_OK:
-            return;
+            break;
         case BT_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_STATUS_AGAIN:
             throw TryAgain {};
         case BT_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_STATUS_MEMORY_ERROR:
@@ -149,6 +151,8 @@ public:
         default:
             bt_common_abort();
         }
+
+        return *this;
     }
 
     bool canSeekForward() const noexcept