initial commit for github

codec/element_accessor.h

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+/**
+ * @file
+ * Implementation of the ADTF default media description.
+ *
+ * @copyright
+ * @verbatim
+   Copyright @ 2017 Audi Electronics Venture GmbH. All rights reserved.
+
+       This Source Code Form is subject to the terms of the Mozilla
+       Public License, v. 2.0. If a copy of the MPL was not distributed
+       with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+   If it is not possible or desirable to put the notice in a particular file, then
+   You may include the notice in a location (such as a LICENSE file in a
+   relevant directory) where a recipient would be likely to look for such a notice.
+
+   You may add additional accurate notices of copyright ownership.
+   @endverbatim
+ */
+
+#ifndef DDL_STRUCT_ELEMENT_ACCESS_PRIVATE_CLASS_HEADER
+#define DDL_STRUCT_ELEMENT_ACCESS_PRIVATE_CLASS_HEADER
+
+#include "a_util/result.h"
+#include "struct_layout.h"
+
+namespace ddl
+{
+
+class ElementAccessor
+{
+    public:
+        virtual a_util::result::Result getValue(const StructLayoutElement& element, const void* data,
+                                 size_t data_size, void* element_value) const = 0;
+        virtual a_util::result::Result setValue(const StructLayoutElement& element, void* data,
+                                 size_t data_size, const void* element_value) const = 0;
+
+        virtual DataRepresentation getRepresentation() const = 0;
+
+        a_util::result::Result getValue(const StructLayoutElement& element, const void* data,
+                         size_t data_size, a_util::variant::Variant& value) const;
+
+        a_util::result::Result setValue(const StructLayoutElement& element, void* data,
+                         size_t data_size, const a_util::variant::Variant& value) const;
+};
+
+class DeserializedAccessor: public ElementAccessor
+{    
+    public:
+        virtual a_util::result::Result getValue(const StructLayoutElement& element, const void* data,
+                                 size_t data_size, void* element_value) const;
+        virtual a_util::result::Result setValue(const StructLayoutElement& element, void* data,
+                                 size_t data_size, const void* element_value) const;
+
+        virtual DataRepresentation getRepresentation() const
+        {
+            return deserialized;
+        }
+
+        static const ElementAccessor& getInstance();
+};
+
+
+class SerializedAccessor: public ElementAccessor
+{
+    public:
+        virtual a_util::result::Result getValue(const StructLayoutElement& element, const void* data,
+                                 size_t data_size, void* element_value) const;
+        virtual a_util::result::Result setValue(const StructLayoutElement& element, void* data,
+                                 size_t data_size, const void* element_value) const;
+
+        virtual DataRepresentation getRepresentation() const
+        {
+            return serialized;
+        }
+
+        static const ElementAccessor& getInstance();
+};
+
+}
+
+#endif
+