find_all_of.h

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/*
 * Copyright (C) 2015 - Erik Nelson
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

#ifndef UTILS_STRINGS_FIND_ALL_OF_H
#define UTILS_STRINGS_FIND_ALL_OF_H

#include <string>
#include <vector>

namespace strings {
inline std::vector<size_t> FindAllOf(const std::string &haystack,
                                     const std::string &needle) {
  std::vector<size_t> instances;
  size_t pos = haystack.find(needle, 0);

  while (pos != std::string::npos) {
    instances.push_back(pos);
    pos = haystack.find(needle, pos + 1);
  }
  return instances;
}

inline std::vector<size_t> FindAllOf(const std::string &haystack, char needle) {
  const std::string needle_string = { needle };
  return FindAllOf(haystack, needle_string);
}

} //\namespace strings

#endif