2 /* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2001
3 Free Software Foundation, Inc.
4 Written by James Clark (jjc@jclark.com)
6 This file is part of groff.
8 groff is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
13 groff is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License along
19 with groff; see the file COPYING. If not, write to the Free Software
20 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
36 int linear_truncate_len = 6;
37 const char *linear_ignore_fields = "XYZ";
39 search_list::search_list()
40 : list(0), niterators(0), next_fid(1)
44 search_list::~search_list()
46 assert(niterators == 0);
48 search_item *tem = list->next;
54 void search_list::add_file(const char *filename, int silent)
56 search_item *p = make_index_search_item(filename, next_fid);
58 int fd = open(filename, O_RDONLY | O_BINARY);
61 error("can't open `%1': %2", filename, strerror(errno));
64 p = make_linear_search_item(fd, filename, next_fid);
68 for (pp = &list; *pp; pp = &(*pp)->next)
71 next_fid = p->next_filename_id();
75 int search_list::nfiles() const
78 for (search_item *ptr = list; ptr; ptr = ptr->next)
83 search_list_iterator::search_list_iterator(search_list *p, const char *q)
84 : list(p), ptr(p->list), iter(0), query(strsave(q)),
85 searcher(q, strlen(q), linear_ignore_fields, linear_truncate_len)
87 list->niterators += 1;
90 search_list_iterator::~search_list_iterator()
92 list->niterators -= 1;
97 int search_list_iterator::next(const char **pp, int *lenp, reference_id *ridp)
101 iter = ptr->make_search_item_iterator(query);
102 if (iter->next(searcher, pp, lenp, ridp))
111 search_item::search_item(const char *nm, int fid)
112 : name(strsave(nm)), filename_id(fid), next(0)
116 search_item::~search_item()
121 int search_item::is_named(const char *nm) const
123 return strcmp(name, nm) == 0;
126 int search_item::next_filename_id() const
128 return filename_id + 1;
131 search_item_iterator::~search_item_iterator()