175584Sru// -*- C++ -*-
2151497Sru/* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2001, 2002, 2004
375584Sru   Free Software Foundation, Inc.
475584Sru     Written by James Clark (jjc@jclark.com)
575584Sru
675584SruThis file is part of groff.
775584Sru
875584Srugroff is free software; you can redistribute it and/or modify it under
975584Sruthe terms of the GNU General Public License as published by the Free
1075584SruSoftware Foundation; either version 2, or (at your option) any later
1175584Sruversion.
1275584Sru
1375584Srugroff is distributed in the hope that it will be useful, but WITHOUT ANY
1475584SruWARRANTY; without even the implied warranty of MERCHANTABILITY or
1575584SruFITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
1675584Srufor more details.
1775584Sru
1875584SruYou should have received a copy of the GNU General Public License along
1975584Sruwith groff; see the file COPYING.  If not, write to the Free Software
20151497SruFoundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
2175584Sru
2275584Srutypedef void (*REQUEST_FUNCP)();
2375584Sru
2475584Sruclass macro;
2575584Sru
2675584Sruclass request_or_macro : public object {
2775584Srupublic:
2875584Sru  request_or_macro();
2975584Sru  virtual void invoke(symbol s) = 0;
3075584Sru  virtual macro *to_macro();
3175584Sru};
3275584Sru
3375584Sruclass request : public request_or_macro {
3475584Sru  REQUEST_FUNCP p;
3575584Srupublic:
3675584Sru  void invoke(symbol);
3775584Sru  request(REQUEST_FUNCP);
3875584Sru};
3975584Sru
4075584Sruvoid delete_request_or_macro(request_or_macro *);
4175584Sru
4275584Sruextern object_dictionary request_dictionary;
4375584Sru
44151497Sruclass macro_header;
4575584Srustruct node;
4675584Sru
4775584Sruclass macro : public request_or_macro {
4875584Sru  const char *filename;		// where was it defined?
4975584Sru  int lineno;
50104862Sru  int len;
51104862Sru  int empty_macro;
52151497Sru  int is_a_diversion;
5375584Srupublic:
54151497Sru  macro_header *p;
5575584Sru  macro();
5675584Sru  ~macro();
5775584Sru  macro(const macro &);
58151497Sru  macro(int);
5975584Sru  macro &operator=(const macro &);
6075584Sru  void append(unsigned char);
6175584Sru  void append(node *);
6275584Sru  void append_unsigned(unsigned int i);
6375584Sru  void append_int(int i);
6475584Sru  void append_str(const char *);
65104862Sru  void set(unsigned char, int);
66104862Sru  unsigned char get(int);
67104862Sru  int length();
6875584Sru  void invoke(symbol);
6975584Sru  macro *to_macro();
7075584Sru  void print_size();
7175584Sru  int empty();
72151497Sru  int is_diversion();
7375584Sru  friend class string_iterator;
7475584Sru  friend void chop_macro();
75104862Sru  friend void substring_request();
7675584Sru  friend int operator==(const macro &, const macro &);
7775584Sru};
7875584Sru
7975584Sruextern void init_input_requests();
8075584Sruextern void init_markup_requests();
8175584Sruextern void init_div_requests();
8275584Sruextern void init_node_requests();
8375584Sruextern void init_reg_requests();
8475584Sruextern void init_env_requests();
8575584Sruextern void init_hyphen_requests();
8675584Sruextern void init_request(const char *s, REQUEST_FUNCP f);
8775584Sru
8875584Sruclass charinfo;
8975584Sruclass environment;
9075584Sru
9175584Srunode *charinfo_to_node_list(charinfo *, const environment *);
92