Gazebo Common

API Reference

5.7.0
IOBase.hh
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1 /*
2  * Copyright (C) 2022 Open Source Robotics Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16 */
17 #ifndef GZ_COMMON_IO_HH_
18 #define GZ_COMMON_IO_HH_
19 
20 #include <sstream>
21 #include <string>
22 
23 namespace gz
24 {
25  namespace common
26  {
30  template <typename T>
31  struct IO
32  {
39  static T ReadFrom(std::istream &_istream)
40  {
41  T value;
42  _istream >> value;
43  return value;
44  }
45 
52  static T ReadFrom(const std::string &_string)
53  {
54  std::istringstream stream{_string};
55  return ReadFrom(stream);
56  }
57  };
58 
60  template<>
61  struct IO<std::string>
62  {
69  static std::string ReadFrom(std::istream &_istream)
70  {
71  std::string value;
72  _istream >> value;
73  return value;
74  }
75 
78  {
79  return _string;
80  }
81  };
82  }
83 }
84 
85 #endif