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flightgear/src/ATC/ATC.cxx
2002-04-04 20:48:21 +00:00

69 lines
1.7 KiB
C++

// Implementation of FGATC - ATC subsystem abstract base class.
// Nothing in here should ever get called.
//
// Written by David Luff, started February 2002.
//
// Copyright (C) 2002 David C Luff - david.luff@nottingham.ac.uk
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include "ATC.hxx"
FGATC::~FGATC() {
}
void FGATC::Update() {
}
void FGATC::AddPlane(string pid) {
}
int FGATC::RemovePlane() {
return 0;
}
void FGATC::SetDisplay() {
}
void FGATC::SetNoDisplay() {
}
const char* FGATC::GetIdent() {
return("Error - base class function called in FGATC...");
}
atc_type FGATC::GetType() {
return INVALID;
}
ostream& operator << (ostream& os, atc_type atc) {
switch(atc) {
case(INVALID):
return(os << "INVALID");
case(ATIS):
return(os << "ATIS");
case(GROUND):
return(os << "GROUND");
case(TOWER):
return(os << "TOWER");
case(APPROACH):
return(os << "APPROACH");
case(DEPARTURE):
return(os << "DEPARTURE");
case(ENROUTE):
return(os << "ENROUTE");
}
return(os << "ERROR - Unknown switch in atc_type operator << ");
}