join.h

Go to the documentation of this file.

/*
 * Copyright (c) 2015, The Regents of the University of California (Regents).
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *    1. Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 *    2. Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *
 *    3. Neither the name of the copyright holder nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * Please contact the author(s) of this library if you have any questions.
 * Authors: Erik Nelson            ( eanelson@eecs.berkeley.edu )
 *          David Fridovich-Keil   ( dfk@eecs.berkeley.edu )
 */

#ifndef BSFM_STRINGS_JOIN_H
#define BSFM_STRINGS_JOIN_H

#include <initializer_list>
#include <string>
#include <vector>

namespace bsfm {
namespace strings {

inline std::string Join(const std::vector<std::string> &tokens,
                        const std::string &separator) {
  std::string joined("");
  for (size_t tt = 0; tt < tokens.size(); ++tt)
  {
    joined.append(tokens[tt]);
    if (tt != tokens.size() - 1)
      joined.append(separator);
  }
  return joined;
}

inline std::string Join(const std::vector<std::string> &tokens,
                        char separator) {
  std::string separator_string = { separator };
  return Join(tokens, separator_string);
}

inline std::string Join(const std::vector<std::string> &tokens) {
  const std::string empty_separator("");
  return Join(tokens, empty_separator);
}

inline std::string Join(const std::initializer_list<std::string>& tokens) {
  const std::vector<std::string> string_tokens(tokens);
  return Join(string_tokens);
}

template <typename... ArgsT>
inline std::string Join(const ArgsT &... tokens) {
  return Join({tokens...});
}

} //\namespace strings
} //\namespace bsfm

#endif