DynamicData to JSON serializer

Signed-off-by: Juan Lopez Fernandez <juanlopez@eprosima.com>

include/fastdds/dds/xtypes/utils.hpp

@@ -0,0 +1,66 @@
+// Copyright 2024 Proyectos y Sistemas de Mantenimiento SL (eProsima).
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/*!
+ * @file utils.hpp
+ */
+
+#ifndef _FASTDDS_DDS_XTYPES_UTILS_HPP_
+#define _FASTDDS_DDS_XTYPES_UTILS_HPP_
+
+#include <iostream>
+#include <string>
+
+#include <fastdds/dds/core/ReturnCode.hpp>
+#include <fastdds/dds/xtypes/dynamic_types/DynamicData.hpp>
+
+namespace eprosima {
+namespace fastdds {
+namespace dds {
+
+enum class DynamicDataJsonFormat
+{
+    OMG,
+    EPROSIMA,
+};
+
+/*!
+* Serializes a @ref DynamicData into a JSON object, which is then dumped into an @ref std::ostream.
+* @param[in] data @ref DynamicData reference to be serialized.
+* @param[in,out] output @ref std::ostream reference where the JSON object is dumped.
+* @param[in] format @ref DynamicDataJsonFormat JSON serialization format.
+* @retval RETCODE_OK when serialization fully succeeds, and inner (member serialization) failing code otherwise.
+*/
+ReturnCode_t json_serialize(
+        const traits<DynamicData>::ref_type& data,
+        std::ostream& output,
+        DynamicDataJsonFormat format) noexcept;
+
+/*!
+* Serializes a @ref DynamicData into a JSON object, which is then dumped into a @ref std::string.
+* @param[in] data @ref DynamicData reference to be serialized.
+* @param[in,out] output @ref std::string reference where the JSON object is dumped.
+* @param[in] format @ref DynamicDataJsonFormat JSON serialization format.
+* @retval RETCODE_OK when serialization fully succeeds, and inner (member serialization) failing code otherwise.
+*/
+ReturnCode_t json_serialize(
+        const traits<DynamicData>::ref_type& data,
+        std::string& output,
+        DynamicDataJsonFormat format) noexcept;
+
+} // dds
+} // fastdds
+} // eprosima
+
+#endif // _FASTDDS_DDS_XTYPES_UTILS_HPP_

src/cpp/fastdds/xtypes/CMakeLists.txt

@@ -76,6 +76,7 @@ target_sources(fastdds-xtypes-dynamic-types-impl INTERFACE
     dynamic_types/TypeDescriptorImpl.hpp
     dynamic_types/VerbatimTextDescriptorImpl.cpp
     dynamic_types/VerbatimTextDescriptorImpl.hpp
+    utils.cpp
     )
 
 target_link_libraries(fastdds-xtypes-dynamic-types-impl INTERFACE fastdds-xtypes-dynamic-types-api)