X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FDEVEL%2Fmathml_editor%2Fsrc%2FLPushLexer.hh;h=a9f95e200cbefff34bfcd44d2492458c639b0ad7;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=03ba29c0284b475353853a4494d97ee3b4f816e2;hpb=8d15b9f68470945a45ce96dbc1c892742c85cb9c;p=helm.git diff --git a/helm/DEVEL/mathml_editor/src/LPushLexer.hh b/helm/DEVEL/mathml_editor/src/LPushLexer.hh index 03ba29c02..a9f95e200 100644 --- a/helm/DEVEL/mathml_editor/src/LPushLexer.hh +++ b/helm/DEVEL/mathml_editor/src/LPushLexer.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 , + * 2003 Paolo Marinelli . + * + * 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 + */ #ifndef __LPushLexer_hh__ #define __LPushLexer_hh__ @@ -13,23 +37,26 @@ public: virtual ~LPushLexer() { }; virtual void push(char); - virtual void drop(bool = false); + virtual void drop(bool); + virtual bool complete(void) {}; virtual void reset(void); virtual void flush(void); virtual bool error(void) const; -private: +protected: enum State { ACCEPT, ESCAPE, MACRO, - IGNORE_SPACE, PARAMETER, - LONG_IDENTIFIER + IDENTIFIER, + ESCAPED_CHARACTER, + NUMBER }; void transaction(char, State); + void displayCursor(void); State state; std::string buffer;