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// $Id: CommandLineSettings.hh,v 1.3 2002/11/20 19:23:57 flaterco Exp $
/* CommandLineSettings Settings from command line.
Copyright (C) 1998 David Flater.
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.
*/
class CommandLineSettings: public Settings {
public:
CommandLineSettings (int argc, char **argv);
~CommandLineSettings();
char *settingsid();
// Unique to command line.
struct lnode {
Dstr name;
struct lnode *next;
};
struct lnode *l;
unsigned l_len;
Dstr b, e, f, m, s, o;
int ml_isnull;
PredictionValue ml;
enum argtype {boolean, temporal, mode, format, number, color, unit, text};
struct Argdesc {char *name; argtype typ;};
protected:
struct arglist {Dstr svitch; Dstr arg; arglist *next;};
// The goal is to disambiguate the argument string.
// Inputs:
// int argc, char **argv The usual
// int argi Index to the argument now being looked at
// Returns:
// arglist* Disambiguated argument list if valid. Null if not.
arglist *disambiguate (int argc, char **argv, int argi);
// The goal is still to disambiguate the argument string.
// char *argii Index to the current character position in argv[argi].
// argtype t The type of argument we expect to find there.
arglist *check_arg (int argc, char **argv, int argi, char *argii, CommandLineSettings::argtype t);
// Search command line. Returns NULL if not found.
char *findarg (char *arg, arglist *args);
};
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