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Disk ARchive
2.5.2
Full featured and portable backup and archiving tool
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00001 /*********************************************************************/ 00002 // dar - disk archive - a backup/restoration program 00003 // Copyright (C) 2002-2052 Denis Corbin 00004 // 00005 // This program is free software; you can redistribute it and/or 00006 // modify it under the terms of the GNU General Public License 00007 // as published by the Free Software Foundation; either version 2 00008 // of the License, or (at your option) any later version. 00009 // 00010 // This program is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 // GNU General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with this program; if not, write to the Free Software 00017 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 // 00019 // to contact the author : http://dar.linux.free.fr/email.html 00020 /*********************************************************************/ 00021 00025 00026 00027 #ifndef SHELL_INTERACTION_HPP 00028 #define SHELL_INTERACTION_HPP 00029 00030 extern "C" 00031 { 00032 #if HAVE_TERMIOS_H 00033 #include <termios.h> 00034 #endif 00035 } // end extern "C" 00036 00037 #include "../my_config.h" 00038 #include <iostream> 00039 00040 #include "user_interaction.hpp" 00041 00042 using namespace std; 00043 using namespace libdar; 00044 00047 00048 class shell_interaction : public user_interaction_callback 00049 { 00050 public: 00058 shell_interaction(ostream *out, ostream *interact, bool silent); 00059 00061 shell_interaction(const shell_interaction & ref); 00062 00064 ~shell_interaction(); 00065 00066 void change_non_interactive_output(ostream *out); 00067 void read_char(char & a); 00068 void set_beep(bool mode) { beep = mode; }; 00069 00070 00072 virtual user_interaction *clone() const { user_interaction *ret = new (get_pool()) shell_interaction(*this); if(ret == nullptr) throw Ememory("shell_interaction::clone"); return ret; }; 00073 00074 private: 00075 // data type 00076 00077 enum mode { m_initial, m_inter, m_noecho }; 00078 00079 // object fields and methods 00080 00081 S_I input; //< filedescriptor to read from the user's answers 00082 ostream *output; //< holds the destination for non interactive messages 00083 ostream *inter; //< holds the destination for interactive messages 00084 bool beep; //< whether to issue bell char before displaying a new interactive message 00085 termios initial; //< controlling terminal configuration when the object has been created 00086 termios interaction; //< controlling terminal configuration to use when requiring user interaction 00087 termios initial_noecho; //< controlling terminal configuration to use when noecho has been requested 00088 bool has_terminal; //< true if a terminal could be found 00089 00090 void set_term_mod(mode m); 00091 00092 // class fields and methods 00093 00094 static const U_I bufsize; 00095 00096 static bool interaction_pause(const string &message, void *context); 00097 static void interaction_warning(const string & message, void *context); 00098 static string interaction_string(const string & message, bool echo, void *context); 00099 static secu_string interaction_secu_string(const string & message, bool echo, void *context); 00100 }; 00101 00103 00104 #endif