gnu/dist/groff/src/preproc/html/pushback.h

   1 /*      $NetBSD$        */
   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