Line data    Source code

       1             : 
       2             : /* Copyright (c) 2017, Stefan.Eilemann@epfl.ch
       3             :  *
       4             :  * This library is free software; you can redistribute it and/or modify it under
       5             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       6             :  * by the Free Software Foundation.
       7             :  *
       8             :  * This library is distributed in the hope that it will be useful, but WITHOUT
       9             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      10             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      11             :  * details.
      12             :  *
      13             :  * You should have received a copy of the GNU Lesser General Public License
      14             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      15             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      16             :  */
      17             : 
      18             : #pragma once
      19             : #include <string>
      20             : 
      21             : namespace lunchbox
      22             : {
      23             : namespace string
      24             : {
      25             : /**
      26             :  * Prepend each line of the given input with the given text.
      27             :  *
      28             :  * @param input the input string to add the prepended text
      29             :  * @param text text to prepend
      30             :  * @return the prepended string
      31             :  * @version 1.16
      32             :  */
      33           6 : inline std::string prepend(const std::string& input, const std::string& text)
      34             : {
      35           6 :     std::string output;
      36           6 :     size_t pos = 0;
      37          13 :     for (size_t nextPos = input.find('\n', pos); nextPos != std::string::npos;
      38             :          nextPos = input.find('\n', pos))
      39             :     {
      40           7 :         output += text + input.substr(pos, nextPos - pos + 1);
      41           7 :         pos = nextPos + 1;
      42             :     }
      43           6 :     output += text + input.substr(pos, std::string::npos);
      44           6 :     return output;
      45             : }
      46             : }
      47             : }