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/contrib/groff/src/roff/troff/request.h

https://bitbucket.org/freebsd/freebsd-head/
C++ Header | 91 lines | 60 code | 11 blank | 20 comment | 0 complexity | 4cd0b5fc00202b45c954f9d60d8acd22 MD5 | raw file
 1// -*- C++ -*-
 2/* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2001, 2002, 2004
 3   Free Software Foundation, Inc.
 4     Written by James Clark (jjc@jclark.com)
 5
 6This file is part of groff.
 7
 8groff is free software; you can redistribute it and/or modify it under
 9the terms of the GNU General Public License as published by the Free
10Software Foundation; either version 2, or (at your option) any later
11version.
12
13groff is distributed in the hope that it will be useful, but WITHOUT ANY
14WARRANTY; without even the implied warranty of MERCHANTABILITY or
15FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16for more details.
17
18You should have received a copy of the GNU General Public License along
19with groff; see the file COPYING.  If not, write to the Free Software
20Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
21
22typedef void (*REQUEST_FUNCP)();
23
24class macro;
25
26class request_or_macro : public object {
27public:
28  request_or_macro();
29  virtual void invoke(symbol s) = 0;
30  virtual macro *to_macro();
31};
32
33class request : public request_or_macro {
34  REQUEST_FUNCP p;
35public:
36  void invoke(symbol);
37  request(REQUEST_FUNCP);
38};
39
40void delete_request_or_macro(request_or_macro *);
41
42extern object_dictionary request_dictionary;
43
44class macro_header;
45struct node;
46
47class macro : public request_or_macro {
48  const char *filename;		// where was it defined?
49  int lineno;
50  int len;
51  int empty_macro;
52  int is_a_diversion;
53public:
54  macro_header *p;
55  macro();
56  ~macro();
57  macro(const macro &);
58  macro(int);
59  macro &operator=(const macro &);
60  void append(unsigned char);
61  void append(node *);
62  void append_unsigned(unsigned int i);
63  void append_int(int i);
64  void append_str(const char *);
65  void set(unsigned char, int);
66  unsigned char get(int);
67  int length();
68  void invoke(symbol);
69  macro *to_macro();
70  void print_size();
71  int empty();
72  int is_diversion();
73  friend class string_iterator;
74  friend void chop_macro();
75  friend void substring_request();
76  friend int operator==(const macro &, const macro &);
77};
78
79extern void init_input_requests();
80extern void init_markup_requests();
81extern void init_div_requests();
82extern void init_node_requests();
83extern void init_reg_requests();
84extern void init_env_requests();
85extern void init_hyphen_requests();
86extern void init_request(const char *s, REQUEST_FUNCP f);
87
88class charinfo;
89class environment;
90
91node *charinfo_to_node_list(charinfo *, const environment *);