src/devices/grohtml/html.h

   1 // -*- C++ -*-
   2 /* Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
   3      Written by James Clark (jjc@jclark.com)
   4
   5 This file is part of groff.
   6
   7 groff is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 2, or (at your option) any later
  10 version.
  11
  12 groff is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License along
  18 with groff; see the file COPYING.  If not, write to the Free Software
  19 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
  20
  21 #if !defined(HTML_H)
  22 #  define HTML_H
  23
  24 /*
  25  *  class and structure needed to buffer words
  26  */
  27
  28 struct word {
  29   char *s;
  30   word  *next;
  31
  32   word  (const char *w, int n);
  33   ~word ();
  34 };
  35
  36 class word_list {
  37 public:
  38             word_list     ();
  39   int       flush         (FILE *f);
  40   void      add_word      (const char *s, int n);
  41   int       get_length    (void);
  42
  43 private:
  44   int       length;
  45   word     *head;
  46   word     *tail;
  47 };
  48
  49 class simple_output {
  50 public:
  51   simple_output(FILE *, int max_line_length);
  52   simple_output &put_string(const char *, int);
  53   simple_output &put_string(const char *s);
  54   simple_output &put_string(const string &s);
  55   simple_output &put_troffps_char (const char *s);
  56   simple_output &put_translated_string(const char *s);
  57   simple_output &put_number(int);
  58   simple_output &put_float(double);
  59   simple_output &put_symbol(const char *);
  60   simple_output &put_literal_symbol(const char *);
  61   simple_output &set_fixed_point(int);
  62   simple_output &simple_comment(const char *);
  63   simple_output &begin_comment(const char *);
  64   simple_output &comment_arg(const char *);
  65   simple_output &end_comment();
  66   simple_output &set_file(FILE *);
  67   simple_output &include_file(FILE *);
  68   simple_output &copy_file(FILE *);
  69   simple_output &end_line();
  70   simple_output &put_raw_char(char);
  71   simple_output &special(const char *);
  72   simple_output &enable_newlines(int);
  73   simple_output &check_newline(int n);
  74   simple_output &nl(void);
  75   simple_output &space_or_newline (void);
  76   simple_output &begin_tag (void);
  77   FILE *get_file();
  78 private:
  79   FILE         *fp;
  80   int           max_line_length;          // not including newline
  81   int           col;
  82   int           fixed_point;
  83   int           newlines;                 // can we issue newlines automatically?
  84   word_list     last_word;
  85
  86   void          flush_last_word (void);
  87   int           check_space (const char *s, int n);
  88 };
  89
  90 inline FILE *simple_output::get_file()
  91 {
  92   return fp;
  93 }
  94
  95 #endif