ocaml 3.09 transition

[helm.git] / helm / DEVEL / mathml_editor / src / APushParser.hh

diff --git a/helm/DEVEL/mathml_editor/src/APushParser.hh b/helm/DEVEL/mathml_editor/src/APushParser.hh
index c7989614eaf4cf2feecb7043fb300dbda5c7206e..74cb18e3bbb353476885fc1201816954c3a73d81 100644 (file)
--- a/helm/DEVEL/mathml_editor/src/APushParser.hh
+++ b/helm/DEVEL/mathml_editor/src/APushParser.hh
@@ -1,42 +1,57 @@
-// Copyright (C) 2002-2003, Luca Padovani <luca.padovani@cs.unibo.it>.
-//
-// This file is part of EdiTeX, an editor of mathematical
-// expressions based on TeX syntax
-// 
-// EdiTeX 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.
-//
-// EdiTeX 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 EdiTeX; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-// 
-// For details, see the EdiTeX World-Wide-Web page,
-// http://helm.cs.unibo.it/editex, or send a mail to
-// <luca.padovani@cs.unibo.it>
+/* 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(class ALogger& l) : logger(l), factory(0) { };
-  APushParser(class ALogger& l, class AMathMLFactory& f) : logger(l), factory(&f) { };
-
+  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 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__