116 lines
2.6 KiB
C
116 lines
2.6 KiB
C
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/**
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* @file
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* Implementation of the ADTF default media description.
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*
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* @copyright
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* @verbatim
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Copyright @ 2017 Audi Electronics Venture GmbH. All rights reserved.
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This Source Code Form is subject to the terms of the Mozilla
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Public License, v. 2.0. If a copy of the MPL was not distributed
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with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
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If it is not possible or desirable to put the notice in a particular file, then
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You may include the notice in a location (such as a LICENSE file in a
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relevant directory) where a recipient would be likely to look for such a notice.
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You may add additional accurate notices of copyright ownership.
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@endverbatim
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*/
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#ifndef DDL_STRUCT_ELEMENT_CLASS_HEADER
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#define DDL_STRUCT_ELEMENT_CLASS_HEADER
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#include <map>
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#include <string>
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#include "a_util/variant.h"
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#include "a_util/result.h"
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namespace ddl
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{
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/**
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* Enumeration for the data representation
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*/
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enum DataRepresentation
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{
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serialized, ///< serialized data, i.e network, on disks, can msgs, ...
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deserialized ///< deserialized data, c-structs, arrays, ...
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};
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/**
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* Typedef for enumerations name -> value.
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*/
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typedef std::map<std::string, a_util::variant::Variant> EnumType;
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/**
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* Information about an element accessible with a decoder or codec.
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*/
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struct StructElement
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{
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std::string name; ///< The full name of the element.
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a_util::variant::VariantType type; ///< The type of the element.
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const EnumType* p_enum; ///< pointer to an enum, can be NULL.
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};
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// The following classes are for internal use only
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/**
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* \cond INTERNAL
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*/
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struct Position
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{
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size_t bit_offset;
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size_t bit_size;
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};
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struct StructLayoutElement: public StructElement
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{
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Position deserialized;
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Position serialized;
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int byte_order;
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const a_util::variant::Variant* constant;
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};
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struct DynamicStructLayoutElement
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{
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std::string name;
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size_t alignment;
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std::string size_element_name;
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std::vector<StructLayoutElement> static_elements;
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std::vector<DynamicStructLayoutElement> dynamic_elements;
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DynamicStructLayoutElement() = default;
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DynamicStructLayoutElement(size_t alignment):
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alignment(alignment)
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{
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}
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bool isAlignmentElement() const
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{
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return name.empty();
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}
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bool isDynamicArray() const
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{
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return !size_element_name.empty();
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}
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};
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struct Offsets
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{
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size_t deserialized;
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size_t serialized;
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};
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/**
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* \endcond INTERNAL
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*/
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}
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#endif
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