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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
// RegExp.cc for Fluxbox Window Manager
// Copyright (c) 2003 Henrik Kinnunen (fluxgen at users.sourceforge.net)
// and Simon Bowden (rathnor at users.sourceforge.net)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id$
#include "RegExp.hh"
#include "FbTk/I18n.hh"
//use GNU extensions
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif // _GNU_SOURCE
#include <string>
#include <iostream>
using namespace std;
/********************************************************
* RegExp *
**********/
// full_match is to say if we match on this regexp using the full string
// or just a substring. Substrings aren't supported if not HAVE_REGEXP
RegExp::RegExp(const std::string &str, bool full_match):
#ifdef USE_REGEXP
m_regex(0) {
string match;
if (full_match) {
match = "^";
match.append(str);
match.append("$");
} else {
match = str;
}
m_regex = new regex_t;
int ret = regcomp(m_regex, match.c_str(), REG_NOSUB | REG_EXTENDED);
if (ret != 0) {
char *errstr = 0;
_FB_USES_NLS;
// gives us the length of the string
unsigned int size = regerror(ret, m_regex, errstr, 0);
errstr = new char[size];
regerror(ret, m_regex, errstr, size);
cerr<<_FBTEXT(Fluxbox, ErrorRegexp, "Error parsing regular expression", "Error parsing regular expression (following)")<<": "<<errstr<<endl;
delete [] errstr;
delete m_regex; // I don't think I regfree a failed compile?
m_regex = 0;
}
}
#else // notdef USE_REGEXP
m_str(str) {}
#endif // USE_REGEXP
RegExp::~RegExp() {
#ifdef USE_REGEXP
if (m_regex != 0) {
regfree(m_regex);
delete m_regex;
}
#endif // USE_REGEXP
}
bool RegExp::match(const std::string &str) const {
#ifdef USE_REGEXP
if (m_regex)
return regexec(m_regex, str.c_str(), 0, 0, 0) == 0;
else
return false;
#else // notdef USE_REGEXP
return (m_str == str);
#endif // USE_REGEXP
}
bool RegExp::error() const {
#ifdef USE_REGEXP
return m_regex == 0;
#else
return return m_str == "";
#endif // USE_REGEXP
}
|
