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join_quoted.cpp
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1 /*******************************************************************************
2  * tlx/string/join_quoted.cpp
3  *
4  * Part of tlx - http://panthema.net/tlx
5  *
6  * Copyright (C) 2016-2018 Timo Bingmann <[email protected]>
7  *
8  * All rights reserved. Published under the Boost Software License, Version 1.0
9  ******************************************************************************/
10 
12 
13 namespace tlx {
14 
16  const std::vector<std::string>& vec, char sep, char quote, char escape) {
17 
18  std::string out;
19  if (vec.empty()) return out;
20 
21  for (size_t i = 0; i < vec.size(); ++i) {
22  if (i != 0)
23  out += sep;
24 
25  if (vec[i].find(sep) != std::string::npos) {
26  out += quote;
27  for (std::string::const_iterator it = vec[i].begin();
28  it != vec[i].end(); ++it) {
29  if (*it == quote || *it == escape) {
30  out += escape, out += *it;
31  }
32  else if (*it == '\n') {
33  out += escape, out += 'n';
34  }
35  else if (*it == '\r') {
36  out += escape, out += 'r';
37  }
38  else if (*it == '\t') {
39  out += escape, out += 't';
40  }
41  else {
42  out += *it;
43  }
44  }
45  out += quote;
46  }
47  else {
48  out += vec[i];
49  }
50  }
51 
52  return out;
53 }
54 
55 std::string join_quoted(const std::vector<std::string>& vec) {
56  return join_quoted(vec, ' ', '"', '\\');
57 }
58 
59 } // namespace tlx
60 
61 /******************************************************************************/
std::string join_quoted(const std::vector< std::string > &vec, char sep, char quote, char escape)
Join a vector of strings using a separator character.
Definition: join_quoted.cpp:15
std::basic_string< char, std::char_traits< char >, Allocator< char > > string
string with Manager tracking
Definition: allocator.hpp:220