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ctrl.C
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C/C++ Source or Header
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1998-03-25
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// $Id: ctrl.C,v 1.6 1998/03/25 12:45:31 zeller Exp $ -*- C++ -*-
// Convert ^[character] sequences to control characters
// Copyright (C) 1996 Technische Universitaet Braunschweig, Germany.
// Written by Andreas Zeller <zeller@ips.cs.tu-bs.de>.
//
// This file is part of DDD.
//
// DDD 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.
//
// DDD 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 DDD -- see the file COPYING.
// If not, write to the Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// DDD is the data display debugger.
// For details, see the DDD World-Wide-Web page,
// `http://www.cs.tu-bs.de/softech/ddd/',
// or send a mail to the DDD developers <ddd@ips.cs.tu-bs.de>.
char ctrl_rcsid[] =
"$Id: ctrl.C,v 1.6 1998/03/25 12:45:31 zeller Exp $";
#ifdef __GNUG__
#pragma implementation
#endif
#include "ctrl.h"
#include "cook.h"
#include <ctype.h>
// Convert ^[character] sequence to control characters
string ctrl(string name)
{
if (name.length() >= 2)
{
if (name[0] == '^')
if (name[1] == '?')
return '\177'; // ^?
else
return char(toupper(name[1]) - '@'); // ^A...^Z
if (name[0] == '\\')
return uncook(name); // `\003' or similar
}
if (name.length() == 1 && isalpha(name[0]))
return char(toupper(name[0]) - '@'); // A..Z
return name;
}