2 /* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2001, 2009
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 3 of the License, or
11 (at your option) any later version.
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
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
35 int linear_truncate_len = 6;
36 const char *linear_ignore_fields = "XYZ";
38 search_list::search_list()
39 : list(0), niterators(0), next_fid(1)
43 search_list::~search_list()
45 assert(niterators == 0);
47 search_item *tem = list->next;
53 void search_list::add_file(const char *filename, int silent)
55 search_item *p = make_index_search_item(filename, next_fid);
57 int fd = open(filename, O_RDONLY | O_BINARY);
60 error("can't open `%1': %2", filename, strerror(errno));
63 p = make_linear_search_item(fd, filename, next_fid);
67 for (pp = &list; *pp; pp = &(*pp)->next)
70 next_fid = p->next_filename_id();
74 int search_list::nfiles() const
77 for (search_item *ptr = list; ptr; ptr = ptr->next)
82 search_list_iterator::search_list_iterator(search_list *p, const char *q)
83 : list(p), ptr(p->list), iter(0), query(strsave(q)),
84 searcher(q, strlen(q), linear_ignore_fields, linear_truncate_len)
86 list->niterators += 1;
89 search_list_iterator::~search_list_iterator()
91 list->niterators -= 1;
96 int search_list_iterator::next(const char **pp, int *lenp, reference_id *ridp)
100 iter = ptr->make_search_item_iterator(query);
101 if (iter->next(searcher, pp, lenp, ridp))
110 search_item::search_item(const char *nm, int fid)
111 : name(strsave(nm)), filename_id(fid), next(0)
115 search_item::~search_item()
120 int search_item::is_named(const char *nm) const
122 return strcmp(name, nm) == 0;
125 int search_item::next_filename_id() const
127 return filename_id + 1;
130 search_item_iterator::~search_item_iterator()