html.h revision 75584 
1// -*- C++ -*-
2/* Copyright (C) 2000, 2001 Free Software Foundation, Inc.
3     Written by James Clark (jjc@jclark.com)
4
5This file is part of groff.
6
7groff is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 2, or (at your option) any later
10version.
11
12groff is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License along
18with groff; see the file COPYING.  If not, write to the Free Software
19Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20
21#if !defined(HTML_H)
22#  define HTML_H
23#  undef DEBUGGING
24// #  define DEBUGGING
25
26/*
27 *  class and structure needed to buffer words
28 */
29
30struct word {
31  char *s;
32  word  *next;
33
34  word  (const char *w, int n);
35  ~word ();
36};
37
38class word_list {
39public:
40            word_list     ();
41  int       flush         (FILE *f);
42  void      add_word      (const char *s, int n);
43  int       get_length    (void);
44
45private:
46  int       length;
47  word     *head;
48  word     *tail;
49};
50
51class simple_output {
52public:
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_troffps_char (const char *s);
57  simple_output &put_translated_string(const char *s);
58  simple_output &put_number(int);
59  simple_output &put_float(double);
60  simple_output &put_symbol(const char *);
61  simple_output &put_literal_symbol(const char *);
62  simple_output &set_fixed_point(int);
63  simple_output &simple_comment(const char *);
64  simple_output &begin_comment(const char *);
65  simple_output &comment_arg(const char *);
66  simple_output &end_comment();
67  simple_output &set_file(FILE *);
68  simple_output &include_file(FILE *);
69  simple_output &copy_file(FILE *);
70  simple_output &end_line();
71  simple_output &put_raw_char(char);
72  simple_output &special(const char *);
73  simple_output &enable_newlines(int);
74  simple_output &check_newline(int n);
75  simple_output &nl(void);
76  simple_output &space_or_newline (void);
77  simple_output &begin_tag (void);
78  FILE *get_file();
79private:
80  FILE         *fp;
81  int           max_line_length;          // not including newline
82  int           col;
83  int           fixed_point;
84  int           newlines;                 // can we issue newlines automatically?
85  word_list     last_word;
86
87  void          flush_last_word (void);
88  int           check_space (const char *s, int n);
89};
90
91inline FILE *simple_output::get_file()
92{
93  return fp;
94}
95
96#endif
97