NetBSD/gnu/usr.bin/groff/refer/token.h

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1993-07-15 20:39:32 +04:00
// -*- 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.
$Id: token.h,v 1.2 1993/08/02 17:45:05 mycroft Exp $
*/
1993-07-15 20:39:32 +04:00
enum token_type {
TOKEN_OTHER,
TOKEN_UPPER,
TOKEN_LOWER,
TOKEN_ACCENT,
TOKEN_PUNCT,
TOKEN_HYPHEN
};
class token_info {
private:
token_type type;
const char *sort_key;
const char *other_case;
public:
token_info();
void set(token_type, const char *sk = 0, const char *oc = 0);
void lower_case(const char *start, const char *end, string &result) const;
void upper_case(const char *start, const char *end, string &result) const;
void sortify(const char *start, const char *end, string &result) const;
int sortify_non_empty(const char *start, const char *end) const;
int is_upper() const;
int is_lower() const;
int is_accent() const;
int is_other() const;
int is_punct() const;
int is_hyphen() const;
};
inline int token_info::is_upper() const
{
return type == TOKEN_UPPER;
}
inline int token_info::is_lower() const
{
return type == TOKEN_LOWER;
}
inline int token_info::is_accent() const
{
return type == TOKEN_ACCENT;
}
inline int token_info::is_other() const
{
return type == TOKEN_OTHER;
}
inline int token_info::is_punct() const
{
return type == TOKEN_PUNCT;
}
inline int token_info::is_hyphen() const
{
return type == TOKEN_HYPHEN;
}
int get_token(const char **ptr, const char *end);
const token_info *lookup_token(const char *start, const char *end);