X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FDEVEL%2Fmathml_editor%2Fsrc%2FAPushParser.hh;h=74cb18e3bbb353476885fc1201816954c3a73d81;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=c2978106c275681372ca79dd776ac679ea4392a2;hpb=89262281b6e83bd2321150f81f1a0583645eb0c8;p=helm.git

diff --git a/helm/DEVEL/mathml_editor/src/APushParser.hh b/helm/DEVEL/mathml_editor/src/APushParser.hh
index c2978106c..74cb18e3b 100644
--- a/helm/DEVEL/mathml_editor/src/APushParser.hh
+++ b/helm/DEVEL/mathml_editor/src/APushParser.hh
@@ -1,14 +1,57 @@
+/* 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__