1 /* This file is part of EdiTeX, an editor of mathematical
2 * expressions based on TeX syntax.
4 * Copyright (C) 2002-2003 Luca Padovani <lpadovan@cs.unibo.it>,
5 * 2003 Paolo Marinelli <pmarinel@cs.unibo.it>.
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 * For more information, please visit the project's home page
22 * http://helm.cs.unibo.it/editex/
23 * or send an email to <lpadovan@cs.unibo.it>
26 #ifndef __APushParser_hh__
27 #define __APushParser_hh__
34 APushParser(class ALogger& l) : logger(l), factory(0), freeze_level(0) { };
35 APushParser(class ALogger& l, class AMathMLFactory& f) : logger(l), factory(&f), freeze_level(0) { };
36 virtual ~APushParser() { };
38 virtual void reset(void) = 0;
39 virtual void push(const class TToken&) = 0;
40 virtual std::string drop(bool) = 0;
41 virtual void setCursorHint(const std::string&) = 0;
42 virtual bool hideCursor(void) = 0;
43 virtual bool showCursor(void) = 0;
45 virtual bool freeze(void);
46 virtual bool thaw(void);
47 bool frozen(void) const { return freeze_level > 0; };
50 class ALogger& logger;
51 class AMathMLFactory* factory;
54 unsigned freeze_level;
57 #endif // __APushParser_hh__