/* ** Copyright (C) 1999, 2000, 2001 Lorenzo Bettini ** ** This program 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 3 of the License, or ** (at your option) any later version. ** ** This program 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 this program; if not, write to the Free Software ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ** */ // this file also contains the definition of mysum as a #define // textgenerator.h : Text Generator class && #ifndef _TEXTGEN_H #define _TEXTGEN_H #define foo(x) (x + 1) #define mysum myfunbody #include // for cerr #include "genfun.h" /* for generating functions */ class TextGenerator { public : virtual void generate( const char *s ) const; virtual void generate( const char *s, int start, int end ) const; virtual void generateln( const char *s ) const; virtual void generateEntire( const char *s ) const; virtual void startTextGeneration() const {} virtual void endTextGeneration() const {} virtual void beginText( const char *s ) const; virtual void endText( const char *s ) const; } ; // Decorator class TextDecorator : public TextGenerator { protected : TextGenerator *decorated ; public : TextDecorator( TextGenerator *t ); virtual void startTextGeneration() const; virtual void endTextGeneration() const; // pure virtual functions virtual void startDecorate() const = 0 ; virtual void endDecorate() const = 0 ; } ; #endif // _TEXTGEN_H