gnu/dist/groff/src/devices/grohtml/html.h

   1 /*      $NetBSD$        */
   2
   3 // -*- C++ -*-
   4 /* Copyright (C) 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
   5      Written by James Clark (jjc@jclark.com)
   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 #if !defined(HTML_H)
  24 #  define HTML_H
  25
  26 /*
  27  *  class and structure needed to buffer words
  28  */
  29
  30 struct word {
  31   char *s;
  32   word  *next;
  33
  34   word  (const char *w, int n);
  35   ~word ();
  36 };
  37
  38 class word_list {
  39 public:
  40             word_list     ();
  41   int       flush         (FILE *f);
  42   void      add_word      (const char *s, int n);
  43   int       get_length    (void);
  44
  45 private:
  46   int       length;
  47   word     *head;
  48   word     *tail;
  49 };
  50
  51 class simple_output {
  52 public:
  53   simple_output(FILE *, int max_line_length);
  54   simple_output &put_string(const char *, int);
  55   simple_output &put_string(const char *s);
  56   simple_output &put_string(const string &s);
  57   simple_output &put_troffps_char (const char *s);
  58   simple_output &put_translated_string(const char *s);
  59   simple_output &put_number(int);
  60   simple_output &put_float(double);
  61   simple_output &put_symbol(const char *);
  62   simple_output &put_literal_symbol(const char *);
  63   simple_output &set_fixed_point(int);
  64   simple_output &simple_comment(const char *);
  65   simple_output &begin_comment(const char *);
  66   simple_output &comment_arg(const char *);
  67   simple_output &end_comment();
  68   simple_output &set_file(FILE *);
  69   simple_output &include_file(FILE *);
  70   simple_output &copy_file(FILE *);
  71   simple_output &end_line();
  72   simple_output &put_raw_char(char);
  73   simple_output &special(const char *);
  74   simple_output &enable_newlines(int);
  75   simple_output &check_newline(int n);
  76   simple_output &nl(void);
  77   simple_output &force_nl(void);
  78   simple_output &space_or_newline (void);
  79   simple_output &begin_tag (void);
  80   FILE *get_file();
  81 private:
  82   FILE         *fp;
  83   int           max_line_length;          // not including newline
  84   int           col;
  85   int           fixed_point;
  86   int           newlines;                 // can we issue newlines automatically?
  87   word_list     last_word;
  88
  89   void          flush_last_word (void);
  90   int           check_space (const char *s, int n);
  91 };
  92
  93 inline FILE *simple_output::get_file()
  94 {
  95   return fp;
  96 }
  97
  98 #endif