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- // -*- 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. */
-
- struct search_item;
- struct 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;
- };
-
- struct 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 int verify_flag;
-