Add missing throws documentation rosbag_cpp writer open ros2#1788

Document that open() may throw.

Signed-off-by: Georg Dorndorf <[email protected]>

rosbag2_cpp/include/rosbag2_cpp/writer.hpp

@@ -74,6 +74,12 @@ class ROSBAG2_CPP_PUBLIC Writer
    * more storage and converter options.
    *
    * \param storage_uri URI of the storage to open.
+   * \throws runtime_error if 
+   * database directory already exists,
+   * failed to create database directory,
+   * no storage could be initialized,
+   * invalid bag splitting size given,
+   * max cache size less or equal 0 when snapshot mode is enabled.
    **/
   void open(const std::string & uri);
 
@@ -83,6 +89,12 @@ class ROSBAG2_CPP_PUBLIC Writer
    *
    * \param storage_options Options to configure the storage
    * \param converter_options options to define in which format incoming messages are stored
+   * \throws runtime_error if 
+   * database directory already exists,
+   * failed to create database directory,
+   * no storage could be initialized,
+   * invalid bag splitting size given,
+   * max cache size less or equal 0 when snapshot mode is enabled.
    **/
   void open(
     const rosbag2_storage::StorageOptions & storage_options,

rosbag2_cpp/include/rosbag2_cpp/writers/sequential_writer.hpp

@@ -77,6 +77,12 @@ class ROSBAG2_CPP_PUBLIC SequentialWriter
    *
    * \param storage_options Options to configure the storage
    * \param converter_options options to define in which format incoming messages are stored
+   * \throws runtime_error if 
+   * database directory already exists,
+   * failed to create database directory,
+   * no storage could be initialized,
+   * invalid bag splitting size given,
+   * max cache size less or equal 0 when snapshot mode is enabled.
    **/
   void open(
     const rosbag2_storage::StorageOptions & storage_options,