diff options
Diffstat (limited to 'gnu/usr.bin/groff/troff/request.h')
-rw-r--r-- | gnu/usr.bin/groff/troff/request.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/gnu/usr.bin/groff/troff/request.h b/gnu/usr.bin/groff/troff/request.h new file mode 100644 index 0000000..2de9fb7 --- /dev/null +++ b/gnu/usr.bin/groff/troff/request.h @@ -0,0 +1,80 @@ +// -*- C++ -*- +/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. + Written by James Clark (jjc@jclark.com) + +This file is part of groff. + +groff is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +groff is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License along +with groff; see the file COPYING. If not, write to the Free Software +Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +typedef void (*REQUEST_FUNCP)(); + +class macro; + +class request_or_macro : public object { +public: + request_or_macro(); + virtual void invoke(symbol s) = 0; + virtual macro *to_macro(); +}; + +class request : public request_or_macro { + REQUEST_FUNCP p; +public: + void invoke(symbol); + request(REQUEST_FUNCP); +}; + +void delete_request_or_macro(request_or_macro *); + +extern object_dictionary request_dictionary; + +struct macro_header; +struct node; + +class macro : public request_or_macro { + macro_header *p; + const char *filename; // where was it defined? + int lineno; + int length; +public: + macro(); + ~macro(); + macro(const macro &); + macro &operator=(const macro &); + void append(unsigned char); + void append(node *); + void invoke(symbol); + macro *to_macro(); + void print_size(); + int empty(); + friend class string_iterator; + friend void chop_macro(); + friend int operator==(const macro &, const macro &); +}; + +extern void init_input_requests(); +extern void init_div_requests(); +extern void init_node_requests(); +extern void init_reg_requests(); +extern void init_env_requests(); +extern void init_hyphen_requests(); +extern void init_request(const char *s, REQUEST_FUNCP f); + +extern int no_break_flag; // indicates whether request was invoked with . or ' + +class charinfo; +class environment; + +node *charinfo_to_node_list(charinfo *, const environment *); |