Sources/input.cpp

   1 #include "Headers/opsys.h"
   2
   3 bool is_verbose  = false;
   4 bool cwd_changed = false;
   5
   6 CLIInputs::CLIInputs(int argc, char **argv)
   7 {
   8     if(argc > 1)
   9     {
  10         for(short unsigned int i = 1; i < argc; i++)
  11         {
  12             string s_argv = argv[i];
  13             if (!s_argv.compare("-h") || !s_argv.compare("--help"))
  14             {
  15                 printf("%-20s\tObtain help.\n", "-h, --help");
  16                 printf("%-20s\tShows additional execution data.\n", "-v, --verbose");
  17                 exit(0);
  18             }
  19             if (!s_argv.compare("-v") || !s_argv.compare("--verbose"))
  20             {
  21                 printf("Executing in verbose mode.\n");
  22                 is_verbose = false;
  23             }
  24         }
  25     }
  26 }
  27
  28 void Prompt::get_last_dir()
  29 {
  30     string last_dir = OS.cwd;
  31     string home_dir = getenv("HOME");
  32     last_dir = std::regex_replace(last_dir, std::regex(home_dir), "~");     // Change HOME to ~ on the prompt line.
  33     this->last_dir = last_dir;
  34     cout << "PROMPT " << last_dir << '\n';
  35 }
  36
  37 Prompt::Prompt()
  38 {
  39     get_last_dir();
  40 }
  41
  42 void Prompt::print()
  43 {
  44     if (cwd_changed)
  45     {
  46         get_last_dir();
  47         cwd_changed = false;
  48     }
  49     cout << BLUE_ANSI << OS.username << "@" << OS.hostname << ":" << RED_ANSI << last_dir << BLUE_ANSI << "$ " << RESET_ANSI;
  50 }
  51
  52 void Prompt::parse(string input)
  53 {
  54     if(!tokens.empty())
  55         tokens.clear();
  56     istringstream iss (input);
  57     copy(istream_iterator<string>(iss), istream_iterator<string>(), back_inserter(tokens));
  58     for(unsigned short int i = 0; i < tokens.size(); i++)
  59         cout << tokens[i] << ' ';
  60     cout << '\n';
  61 }
  62
  63 short int Prompt::run()
  64 {
  65     if(!tokens[0].compare("cd"))
  66     {
  67         OS.change_dir(tokens);
  68         return cwd_changed;
  69     } else if (!tokens[0].compare("pwd"))
  70     {
  71         cout << OS.cwd << '\n';
  72         return 1;
  73     } else if (!tokens[0].compare("help"))
  74     {
  75         cout << "Insert help text here.\n";
  76         return 1;
  77     } else
  78     {
  79         cout << "Wait.\n";
  80         return 1;
  81     }
  82 }