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/* Copyright (C) 1989-2020 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 3 of the License, 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 this program. If not, see <http://www.gnu.org/licenses/>. */
class search_item;
class search_item_iterator;
class search_list {
public:
search_list();
~search_list();
void add_file(const char *fn, int silent = 0);
int nfiles() const;
private:
search_item *list;
int niterators;
int next_fid;
friend class search_list_iterator;
};
class bmpattern;
class linear_searcher {
const char *ignore_fields;
int truncate_len;
bmpattern **keys;
int nkeys;
const char *search_and_check(const bmpattern *key, const char *buf,
const char *bufend, const char **start = 0)
const;
int check_match(const char *buf, const char *bufend, const char *match,
int matchlen, const char **cont, const char **start)
const;
public:
linear_searcher(const char *query, int query_len,
const char *ign, int trunc);
~linear_searcher();
int search(const char *buf, const char *bufend,
const char **startp, int *lengthp) const;
};
class search_list_iterator {
search_list *list;
search_item *ptr;
search_item_iterator *iter;
char *query;
linear_searcher searcher;
public:
search_list_iterator(search_list *, const char *query);
~search_list_iterator();
int next(const char **, int *, reference_id * = 0);
};
class search_item {
protected:
char *name;
int filename_id;
public:
search_item *next;
search_item(const char *nm, int fid);
virtual search_item_iterator *make_search_item_iterator(const char *) = 0;
virtual ~search_item();
int is_named(const char *) const;
virtual int next_filename_id() const;
};
class search_item_iterator {
char shut_g_plus_plus_up;
public:
virtual ~search_item_iterator();
virtual int next(const linear_searcher &, const char **ptr, int *lenp,
reference_id *) = 0;
};
search_item *make_index_search_item(const char *filename, int fid);
search_item *make_linear_search_item(int fd, const char *filename, int fid);
extern int linear_truncate_len;
extern const char *linear_ignore_fields;
extern bool do_verify;
// Local Variables:
// fill-column: 72
// mode: C++
// End:
// vim: set cindent noexpandtab shiftwidth=2 textwidth=72:
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