#include "shell.hpp"

void shell::c_set (std::string args)
{
  std::string key = args;
  std::string val = args;

  size_t idx = args.find (" ");

  if ( idx != 0  && idx != std::string::npos )
  {
    key.erase (idx);
    val.erase (0, idx + 1);
  }
  else
  {
    carp ("format: set <key> <val>");
    return;
  }


  // string to set environment from
  std::string tmp;

  if ( key == "VERBOSE" )
  {
    tmp = "SAGA_VERBOSE=" + val;
  }
  else if ( key == "HOME" )
  {
    tmp = "SAGA_SHELL_HOME=" + val;
  }
  else if ( key == "CONTACT" )
  {
    tmp = "SAGA_SHELL_CONTACT=" + val;
  }
  else
  {
    tmp = key + "=" + val;
  }

  // set new environment
  char* env = ::strdup (tmp.c_str ());
  ::putenv (env);

  // update shell settings with new environment
  init ();

  return;
}