1 /* $NetBSD: pushback.h,v 1.1.1.1 2016/01/13 18:41:49 christos Exp $ */ 2 3 // -*- C -*- 4 /* Copyright (C) 2000, 2001, 2003, 2004 Free Software Foundation, Inc. 5 Written by Gaius Mulley (gaius@glam.ac.uk). 6 7 This file is part of groff. 8 9 groff is free software; you can redistribute it and/or modify it under 10 the terms of the GNU General Public License as published by the Free 11 Software Foundation; either version 2, or (at your option) any later 12 version. 13 14 groff is distributed in the hope that it will be useful, but WITHOUT ANY 15 WARRANTY; without even the implied warranty of MERCHANTABILITY or 16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 17 for more details. 18 19 You should have received a copy of the GNU General Public License along 20 with groff; see the file COPYING. If not, write to the Free Software 21 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */ 22 23 24 #define eof (char)-1 25 26 27 /* 28 * defines the class and methods implemented within pushback.cpp 29 */ 30 31 class pushBackBuffer 32 { 33 private: 34 char *charStack; 35 int stackPtr; /* index to push back stack */ 36 int debug; 37 int verbose; 38 int eofFound; 39 char *fileName; 40 int lineNo; 41 int stdIn; 42 43 public: 44 pushBackBuffer (char *); 45 ~ pushBackBuffer (); 46 char getPB (void); 47 char putPB (char ch); 48 void skipUntilToken (void); 49 void skipToNewline (void); 50 double readNumber (void); 51 int readInt (void); 52 char *readString (void); 53 int isString (const char *string); 54 }; 55 56 57