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/contrib/groff/src/preproc/refer/token.h

https://bitbucket.org/freebsd/freebsd-head/
C++ Header | 88 lines | 59 code | 10 blank | 19 comment | 7 complexity | 8dad61e19ab82275ff6e255aa7fcd9a7 MD5 | raw file
 1// -*- C++ -*-
 2/* Copyright (C) 1989, 1990, 1991, 1992 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, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
20
21enum token_type {
22  TOKEN_OTHER,
23  TOKEN_UPPER,
24  TOKEN_LOWER,
25  TOKEN_ACCENT,
26  TOKEN_PUNCT,
27  TOKEN_HYPHEN,
28  TOKEN_RANGE_SEP
29};
30
31class token_info {
32private:
33  token_type type;
34  const char *sort_key;
35  const char *other_case;
36public:
37  token_info();
38  void set(token_type, const char *sk = 0, const char *oc = 0);
39  void lower_case(const char *start, const char *end, string &result) const;
40  void upper_case(const char *start, const char *end, string &result) const;
41  void sortify(const char *start, const char *end, string &result) const;
42  int sortify_non_empty(const char *start, const char *end) const;
43  int is_upper() const;
44  int is_lower() const;
45  int is_accent() const;
46  int is_other() const;
47  int is_punct() const;
48  int is_hyphen() const;
49  int is_range_sep() const;
50};
51
52inline int token_info::is_upper() const
53{
54  return type == TOKEN_UPPER;
55}
56
57inline int token_info::is_lower() const
58{
59  return type == TOKEN_LOWER;
60}
61
62inline int token_info::is_accent() const
63{
64  return type == TOKEN_ACCENT;
65}
66
67inline int token_info::is_other() const
68{
69  return type == TOKEN_OTHER;
70}
71
72inline int token_info::is_punct() const
73{
74  return type == TOKEN_PUNCT;
75}
76
77inline int token_info::is_hyphen() const
78{
79  return type == TOKEN_HYPHEN;
80}
81
82inline int token_info::is_range_sep() const
83{
84  return type == TOKEN_RANGE_SEP;
85}
86
87int get_token(const char **ptr, const char *end);
88const token_info *lookup_token(const char *start, const char *end);