2 * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
4 * Contact: Jan Olszak (j.olszak@samsung.com)
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License
21 * @author Jan Olszak (j.olszak@samsung.com)
22 * @brief Visitor for loading from FDStore
25 #ifndef CONFIG_FROM_FDSTORE_VISITOR_HPP
26 #define CONFIG_FROM_FDSTORE_VISITOR_HPP
28 #include "config/is-visitable.hpp"
29 #include "config/fdstore.hpp"
35 class FromFDStoreVisitor {
37 explicit FromFDStoreVisitor(int fd)
42 FromFDStoreVisitor(const FromFDStoreVisitor& visitor) = default;
44 FromFDStoreVisitor& operator=(const FromFDStoreVisitor&) = delete;
47 void visit(const std::string& name, T& value)
55 void readInternal(std::string& value)
60 mStore.read(&value.front(), size);
63 template<typename T, typename std::enable_if<std::is_arithmetic<T>::value, int>::type = 0>
64 void readInternal(T& value)
66 mStore.read(&value, sizeof(T));
69 template<typename T, typename std::enable_if<isVisitable<T>::value, int>::type = 0>
70 void readInternal(T& value)
72 FromFDStoreVisitor visitor(*this);
73 value.accept(visitor);
77 void readInternal(std::vector<T>& values)
80 readInternal(vectorSize);
81 values.resize(vectorSize);
83 for (T& value : values) {
91 #endif // CONFIG_FROM_FDSTORE_VISITOR_HPP