Nav2 Navigation Stack - jazzy  jazzy
ROS 2 Navigation Stack
string_utils.cpp
1 // Copyright (c) 2019 Intel Corporation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include "nav2_util/string_utils.hpp"
16 #include <string>
17 
18 namespace nav2_util
19 {
20 
21 std::string strip_leading_slash(const std::string & in)
22 {
23  std::string out = in;
24 
25  if ((!in.empty()) && (in[0] == '/')) {
26  out.erase(0, 1);
27  }
28 
29  return out;
30 }
31 
32 Tokens split(const std::string & tokenstring, char delimiter)
33 {
34  Tokens tokens;
35 
36  size_t current_pos = 0;
37  size_t pos = 0;
38  while ((pos = tokenstring.find(delimiter, current_pos)) != std::string::npos) {
39  tokens.push_back(tokenstring.substr(current_pos, pos - current_pos));
40  current_pos = pos + 1;
41  }
42  tokens.push_back(tokenstring.substr(current_pos));
43  return tokens;
44 }
45 
46 } // namespace nav2_util