initial commit for github

codec/struct_element.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_CLASS_HEADER
+#define DDL_STRUCT_ELEMENT_CLASS_HEADER
+
+#include <map>
+#include <string>
+#include "a_util/variant.h"
+#include "a_util/result.h"
+
+namespace ddl
+{
+
+/**
+ * Enumeration for the data representation
+ */
+enum DataRepresentation
+{
+    serialized, ///< serialized data, i.e network, on disks, can msgs, ...
+    deserialized ///< deserialized data, c-structs, arrays, ...
+};
+
+/**
+ * Typedef for enumerations name -> value.
+ */
+typedef std::map<std::string, a_util::variant::Variant> EnumType;
+
+/**
+ * Information about an element accessible with a decoder or codec.
+ */
+struct StructElement
+{
+        std::string name; ///< The full name of the element.
+        a_util::variant::VariantType type; ///< The type of the element.
+        const EnumType* p_enum; ///< pointer to an enum, can be NULL.
+};
+
+// The following classes are for internal use only
+
+/**
+ * \cond INTERNAL
+ */
+
+struct Position
+{
+        size_t bit_offset;
+        size_t bit_size;
+};
+
+struct StructLayoutElement: public StructElement
+{
+        Position deserialized;
+        Position serialized;
+        int byte_order;
+        const a_util::variant::Variant* constant;
+};
+
+struct DynamicStructLayoutElement
+{
+        std::string name;
+        size_t alignment;
+        std::string size_element_name;
+        std::vector<StructLayoutElement> static_elements;
+        std::vector<DynamicStructLayoutElement> dynamic_elements;
+
+        DynamicStructLayoutElement() = default;
+
+        DynamicStructLayoutElement(size_t alignment):
+            alignment(alignment)
+        {
+        }
+
+        bool isAlignmentElement() const
+        {
+            return name.empty();
+        }
+
+        bool isDynamicArray() const
+        {
+            return !size_element_name.empty();
+        }
+};
+
+struct Offsets
+{
+    size_t deserialized;
+    size_t serialized;
+};
+
+/**
+ * \endcond INTERNAL
+ */
+
+}
+
+#endif
+