initial commit for github

mapping/ddl_helper.h

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+/**
+ * @file
+ *
+ * @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
+ *
+ * QNX support Copyright (c) 2019 by dSPACE GmbH, Paderborn, Germany. All Rights Reserved
+ */
+
+
+#ifndef HEADER_DDL_HELPER_H
+#define HEADER_DDL_HELPER_H
+
+#include "a_util/result.h"
+
+#include "ddlrepresentation/ddlcomplex.h"
+#include "ddlrepresentation/ddlelement.h"
+
+namespace mapping
+{
+
+#if defined(__GNUC__) && (__GNUC__ == 5) && defined(__QNX__)
+#pragma GCC diagnostic ignored "-Wattributes" // standard type attributes are ignored when used in templates
+#endif
+
+/// String -> Datatype Enum Map
+typedef std::map<std::string, uint8_t> TypeMap;
+
+#if defined(__GNUC__) && (__GNUC__ == 5) && defined(__QNX__)
+#pragma GCC diagnostic warning "-Wattributes" // standard type attributes are ignored when used in templates
+#endif
+
+/// Enum for all relevant data types
+enum DataTypes
+{
+    e_uint8 = 1,
+    e_uint16,
+    e_uint32,
+    e_uint64,
+    e_int8,
+    e_int16,
+    e_int32,
+    e_int64,
+    e_float32,
+    e_float64,
+    e_bool,
+    e_char,
+};
+
+/**
+ * DDLHelper provides common DDL helper functionality needed
+ * by both the mapping configuration and runtime
+ */
+class DDLHelper
+{
+public:
+    /**
+    * \c LookupElement finds a DDLElement located inside a DDLComplex
+    * by means of a path string. If the path represents an array element,
+    * the array itself is returned.
+    *
+    * @param [in] ddl_struct The base structure of the path
+    * @param [in] path The path to be looked up
+    * @param [out] element The destination target parameter
+    * @param [out] is_array_element Flag indicating whether the path referenced an array element
+    *
+    * @retval ERR_NOT_FOUND The element was not found or the path is invalid
+    * @retval a_util::result::SUCCESS The path was found and oElement contains the element
+    */
+    static a_util::result::Result LookupElement(const ddl::DDLComplex& ddl_struct,
+        const std::string& path, const ddl::DDLElement*& element, bool& is_array_element);
+};
+
+} // namespace mapping
+
+#endif // HEADER_DDL_HELPER_H