1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/* Copyright (C) 2012-2025 J.F.Dockes
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "autoconfig.h"
#include "strmatcher.h"
#include <stdio.h>
#include <sys/types.h>
#include <fnmatch.h>
#include <string>
#include "cstr.h"
#include "log.h"
#include "rclutil.h"
// Characters that can -begin- a wildcard expression.
// Note that backslash is in the looked-for characters. This is used to compute a term
// prefix for starting a match search. In the rare case of a backslash which is not escaping a
// wildcard, we'll start with a shorter prefix, which is no big deal for such a rare case and makes
// things simpler.
const std::string_view cstr_wildSpecStChars("*?[\\");
// Characters that can -begin- regexp expression.
const std::string_view cstr_regSpecStChars("(.[{");
bool StrWildMatcher::match(const std::string& val) const
{
LOGDEB2("StrWildMatcher::match: in: ["<< val << "] expr: [" << m_sexp << "]\n");
// We used to set FNM_NOESCAPE here, but I really have no idea why. Escaping can be useful in
// file name mode (other modes would clobber the backslashes during split).
int ret = fnmatch(m_sexp.c_str(), val.c_str(), 0);
switch (ret) {
case 0: return true;
case FNM_NOMATCH: return false;
default:
LOGINFO("StrWildMatcher::match:err: e [" << m_sexp << "] s [" << val
<< "] (" << path_pcencode(val) << ") ret " << ret << "\n");
return false;
}
}
std::string::size_type StrWildMatcher::baseprefixlen() const
{
return m_sexp.find_first_of(cstr_wildSpecStChars);
}
StrRegexpMatcher::StrRegexpMatcher(const std::string& exp)
: StrMatcher(exp),
m_re(new SimpleRegexp(exp, SimpleRegexp::SRE_NOSUB))
{
}
bool StrRegexpMatcher::setExp(const std::string& exp)
{
m_re = std::unique_ptr<SimpleRegexp>(new SimpleRegexp(exp, SimpleRegexp::SRE_NOSUB));
return ok();
}
bool StrRegexpMatcher::match(const std::string& val) const
{
if (ok())
return false;
return (*m_re)(val);
}
std::string::size_type StrRegexpMatcher::baseprefixlen() const
{
return m_sexp.find_first_of(cstr_regSpecStChars);
}
bool StrRegexpMatcher::ok() const
{
return m_re && m_re->ok();
}
|
