Headers/opsys.h

   1 /*
   2  * miniSHELL-2
   3  * https://github.com/vrmiguel/minishell-2
   4  *
   5  * Copyright (c) 2020 Vinícius R. Miguel <vinicius.miguel at unifesp.br>
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in all
  15  * copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  */
  25
  26 #ifndef OPSYS_H
  27 #define OPSYS_H
  28
  29 #include "input.h"
  30 #include <csignal>          // struct sigaction, sigaction, SIGINT, SIGHUP
  31 #include <iostream>         // std::cin, std::cout, printf, fprintf
  32 extern bool exit_program;
  33
  34 #define WRITE_END 1
  35 #define READ_END  0
  36
  37 /*!
  38  * \class SignalHandler
  39  * \brief Handles SIGHUP and SIGINT signals.
  40  */
  41 class SignalHandler
  42 {
  43     struct sigaction signal_action;
  44 public:
  45     /*!
  46      * \brief Constructor for SignalHandler. Handles SIGHUP and SIGINT signals.
  47      */
  48     SignalHandler();
  49 };
  50
  51 class OpSys
  52 {
  53     string get_cwd();
  54     vector<vector<string>> history;
  55 public:
  56     string username;        // Username
  57     string hostname;        // User's hostname
  58     string cwd;             // Current working directory
  59     string home_dir;            // User's $HOME directory
  60     OpSys();
  61     void  change_dir(vector<string>);
  62     void  show_history();
  63     short simple_command(vector<string>);
  64     short piped_command (vector<string>, int);
  65     friend class Prompt;
  66 };
  67
  68 extern OpSys OS;
  69
  70 #endif // OPSYS_H