+/* This file is part of EdiTeX, an editor of mathematical
+ * expressions based on TeX syntax.
+ *
+ * Copyright (C) 2002-2003 Luca Padovani <lpadovan@cs.unibo.it>,
+ * 2003 Paolo Marinelli <pmarinel@cs.unibo.it>.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * For more information, please visit the project's home page
+ * http://helm.cs.unibo.it/editex/
+ * or send an email to <lpadovan@cs.unibo.it>
+ */
#ifndef __APushParser_hh__
#define __APushParser_hh__
+#include <string>
+
class APushParser
{
public:
- APushParser(void) { };
+ APushParser(class ALogger& l) : logger(l), factory(0), freeze_level(0) { };
+ APushParser(class ALogger& l, class AMathMLFactory& f) : logger(l), factory(&f), freeze_level(0) { };
virtual ~APushParser() { };
- virtual void push(const TToken&) = 0;
- virtual void setCursor(const std::string&) = 0;
+
+ virtual void reset(void) = 0;
+ virtual void push(const class TToken&) = 0;
+ virtual std::string drop(bool) = 0;
+ virtual void setCursorHint(const std::string&) = 0;
+ virtual bool hideCursor(void) = 0;
+ virtual bool showCursor(void) = 0;
+
+ virtual bool freeze(void);
+ virtual bool thaw(void);
+ bool frozen(void) const { return freeze_level > 0; };
+
+protected:
+ class ALogger& logger;
+ class AMathMLFactory* factory;
+
+private:
+ unsigned freeze_level;
};
#endif // __APushParser_hh__