X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FDEVEL%2Fmathml_editor%2Fsrc%2FTPushParser.hh;h=a94402fbfdb2a420606e429f7602641420b05f23;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=e852bc6072e189a5e995c3346683fac04f0437ad;hpb=2f7288d494e3053b02d589ffcd3d54b7c595d2cc;p=helm.git

diff --git a/helm/DEVEL/mathml_editor/src/TPushParser.hh b/helm/DEVEL/mathml_editor/src/TPushParser.hh
index e852bc607..a94402fbf 100644
--- a/helm/DEVEL/mathml_editor/src/TPushParser.hh
+++ b/helm/DEVEL/mathml_editor/src/TPushParser.hh
@@ -1,3 +1,27 @@
+/* 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 __TPushParser_hh__
 #define __TPushParser_hh__
@@ -17,54 +41,58 @@ public:
   TPushParser(class ALogger&, class AMathMLFactory&, const class TDictionary&);
   virtual ~TPushParser();
 
+  virtual void reset(void);
   virtual void push(const TToken&);
+  virtual std::string drop(bool);
   virtual void setCursorHint(const std::string&);
+  virtual bool hideCursor(void);
+  virtual bool showCursor(void);
 
-protected:
-  TDocument document(void) const { return doc; }
+  virtual bool thaw(void);
+
+  DOM::Document document(void) const { return doc.document().cloneNode(true); }
 
 private:
   void init(void);
 
-  std::string PRIME(void) const;
+  TNode PRIME(void);
   bool isPrimes(const TNode&) const;
   
-  void do_begin(void);
-  void do_end(void);
-  void do_shift(void);
-  void do_align(void);
-  void do_eol(void);
-  void do_parameter(const std::string&);
-  void do_superscript(void);
-  void do_subscript(void);
-  void do_space(const std::string&);
-  void do_letter(const std::string&);
-  void do_digit(const std::string&);
-  void do_other(const std::string&);
-  void do_active(const std::string&);
-  void do_comment(void);
-  void do_control(const std::string&);
-
-  
-  void gdelete_prev_token(void);
-  void gdelete_prev_script(void);
-  void gdelete_prev_group(void);
-  void gdelete_prev_macro(void);
-  void gdelete_prev(void);
+  bool do_begin(void);
+  bool do_end(void);
+  bool do_shift(void);
+  bool do_align(void);
+  bool do_eol(void);
+  bool do_parameter(const std::string&);
+  bool do_superscript(void);
+  bool do_subscript(void);
+  bool do_ignorablespace(const std::string&);
+  bool do_space(const std::string&);
+  bool do_letter(const std::string&);
+  bool do_digit(const std::string&);
+  bool do_other(const std::string&);
+  bool do_active(const std::string&);
+  bool do_comment(void);
+  bool do_control(const std::string&);
   
+  std::string drop_prev_token(bool);
+  std::string drop_prev_script(bool);
+  std::string drop_prev_group(bool);
+  std::string drop_prev_macro(bool);
+  std::string drop_prev(bool);
   void rgreplace_father(void);
+  std::string do_drop_script(bool);
+  std::string do_drop_macro(bool);
+  std::string do_drop_groupId(bool);
+  std::string do_drop_phantom_group(bool);
+  std::string do_drop(bool);
 
-  void do_gdelete_script(void);
-  void do_gdelete_macro(void);
-  void do_gdelete_groupId(void);
-  void do_gdelete_phantom_group(void);
-  void do_gdelete(void);
-
-  void do_cr(void);
-  void do_apostrophe(void);
+  bool do_cr(void);
+  bool do_apostrophe(void);
   void advance(const TNode&);
+  bool correctBrace(void);
 
-  void process(const TToken&);
+  bool process(const TToken&);
 
   struct Frame
   {
@@ -78,6 +106,7 @@ private:
   unsigned  nextId;
   TDocument doc;
   TNode     cursor;
+  unsigned  hiddenCursor;
   const class TDictionary& dictionary;
 };