1 //
2 // Automated Testing Framework (atf)
3 //
4 // Copyright (c) 2007 The NetBSD Foundation, Inc.
5 // All rights reserved.
6 //
7 // Redistribution and use in source and binary forms, with or without
8 // modification, are permitted provided that the following conditions
9 // are met:
10 // 1. Redistributions of source code must retain the above copyright
11 // notice, this list of conditions and the following disclaimer.
12 // 2. Redistributions in binary form must reproduce the above copyright
13 // notice, this list of conditions and the following disclaimer in the
14 // documentation and/or other materials provided with the distribution.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17 // CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 // INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 // IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 // GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 // IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 // IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 //
29
30 #include <stdexcept>
31
32 #include "expand.hpp"
33 #include "text.hpp"
34
35 namespace impl = tools::expand;
36 #define IMPL_NAME "tools::expand"
37
38 // ------------------------------------------------------------------------
39 // Auxiliary functions.
40 // ------------------------------------------------------------------------
41
42 namespace {
43
44 std::string
glob_to_regex(const std::string & glob)45 glob_to_regex(const std::string& glob)
46 {
47 std::string regex;
48 regex.reserve(glob.length() * 2);
49
50 regex += '^';
51 for (std::string::const_iterator iter = glob.begin(); iter != glob.end();
52 iter++) {
53 switch (*iter) {
54 case '*': regex += ".*"; break;
55 case '?': regex += "."; break;
56 default: regex += *iter;
57 }
58 }
59 regex += '$';
60
61 return regex;
62 }
63
64 } // anonymous namespace
65
66 // ------------------------------------------------------------------------
67 // Free functions.
68 // ------------------------------------------------------------------------
69
70 bool
is_glob(const std::string & glob)71 impl::is_glob(const std::string& glob)
72 {
73 // NOTE: Keep this in sync with glob_to_regex!
74 return glob.find_first_of("*?") != std::string::npos;
75 }
76
77 bool
matches_glob(const std::string & glob,const std::string & candidate)78 impl::matches_glob(const std::string& glob, const std::string& candidate)
79 {
80 return tools::text::match(candidate, glob_to_regex(glob));
81 }
82