JSON to DynamicData deserializer (#5553)

* Refs #22202. Add support for ROS 2 types

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

* Refs #22202. Support all types

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

* Refs #22202. Add tests

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

* Refs #22202. Update versions.md

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

* Refs #22202. Add missing sources

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

* Refs #22202. Remove Windows warnings

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

* Refs #22202. Encapsulate complex methods

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

* Refs #22202. Uncrustify

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

* Refs #22202. Fix null-dereference error

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

* Refs #22202. Apply suggestions

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

* Refs #22202. Fix Windows deadlock in tests closure

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

---------

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

Author: juanlofer-eprosima

include/fastdds/dds/xtypes/utils.hpp

@@ -60,6 +60,20 @@ FASTDDS_EXPORTED_API ReturnCode_t json_serialize(
         DynamicDataJsonFormat format,
         std::ostream& output) noexcept;
 
+/*!
+ * Deserializes a JSON object string into a @ref DynamicData.
+ * @param[in] input JSON object string to be deserialized.
+ * @param[in] dynamic_type @ref DynamicType corresponding to the @ref DynamicData where the JSON string is deserialized.
+ * @param[in] format @ref DynamicDataJsonFormat JSON serialization format.
+ * @param[in,out] data @ref DynamicData reference where the JSON string is deserialized. Must be null.
+ * @retval RETCODE_OK when deserialization fully succeeds, RETCODE_BAD_PARAMETER when parsing fails or preconditions are not met, and inner (member deserialization) failing code otherwise.
+ */
+FASTDDS_EXPORTED_API ReturnCode_t json_deserialize(
+        const std::string& input,
+        const DynamicType::_ref_type& dynamic_type,
+        DynamicDataJsonFormat format,
+        DynamicData::_ref_type& data) noexcept;
+
 } // dds
 } // fastdds
 } // eprosima

src/cpp/CMakeLists.txt

@@ -112,6 +112,7 @@ set(${PROJECT_NAME}_source_files
     fastdds/xtypes/exception/Exception.cpp
     fastdds/xtypes/serializers/idl/dynamic_type_idl.cpp
     fastdds/xtypes/serializers/json/dynamic_data_json.cpp
+    fastdds/xtypes/serializers/json/json_dynamic_data.cpp
     fastdds/xtypes/type_representation/dds_xtypes_typeobjectPubSubTypes.cxx
     fastdds/xtypes/type_representation/TypeObjectRegistry.cpp
     fastdds/xtypes/type_representation/TypeObjectUtils.cpp

src/cpp/fastdds/xtypes/CMakeLists.txt

@@ -82,6 +82,8 @@ target_sources(fastdds-xtypes-dynamic-types-impl INTERFACE
     serializers/idl/dynamic_type_idl.hpp
     serializers/json/dynamic_data_json.cpp
     serializers/json/dynamic_data_json.hpp
+    serializers/json/json_dynamic_data.cpp
+    serializers/json/json_dynamic_data.hpp
     utils.cpp
     )