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 7This file is part of groff. 8 9groff is free software; you can redistribute it and/or modify it under 10the terms of the GNU General Public License as published by the Free 11Software Foundation; either version 2, or (at your option) any later 12version. 13 14groff is distributed in the hope that it will be useful, but WITHOUT ANY 15WARRANTY; without even the implied warranty of MERCHANTABILITY or 16FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 17for more details. 18 19You should have received a copy of the GNU General Public License along 20with groff; see the file COPYING. If not, write to the Free Software 21Foundation, 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 31class 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