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Diffstat (limited to 'src/FbTk/RegExp.cc')
-rw-r--r-- | src/FbTk/RegExp.cc | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/FbTk/RegExp.cc b/src/FbTk/RegExp.cc new file mode 100644 index 0000000..df98982 --- /dev/null +++ b/src/FbTk/RegExp.cc | |||
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1 | // RegExp.cc for FbTk | ||
2 | // Copyright (c) 2003 Henrik Kinnunen (fluxgen at fluxbox dot org) | ||
3 | // and Simon Bowden (rathnor at users.sourceforge.net) | ||
4 | // | ||
5 | // Permission is hereby granted, free of charge, to any person obtaining a | ||
6 | // copy of this software and associated documentation files (the "Software"), | ||
7 | // to deal in the Software without restriction, including without limitation | ||
8 | // the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
9 | // and/or sell copies of the Software, and to permit persons to whom the | ||
10 | // Software is furnished to do so, subject to the following conditions: | ||
11 | // | ||
12 | // The above copyright notice and this permission notice shall be included in | ||
13 | // all copies or substantial portions of the Software. | ||
14 | // | ||
15 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
16 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
17 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
18 | // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
19 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
20 | // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
21 | // DEALINGS IN THE SOFTWARE. | ||
22 | |||
23 | #include "RegExp.hh" | ||
24 | |||
25 | //use GNU extensions | ||
26 | #ifndef _GNU_SOURCE | ||
27 | #define _GNU_SOURCE | ||
28 | #endif // _GNU_SOURCE | ||
29 | |||
30 | #include <string> | ||
31 | #include <iostream> | ||
32 | |||
33 | using std::string; | ||
34 | |||
35 | #ifdef USE_REGEXP | ||
36 | using std::cerr; | ||
37 | using std::endl; | ||
38 | #endif // USE_REGEXP | ||
39 | |||
40 | namespace FbTk { | ||
41 | |||
42 | // full_match is to say if we match on this regexp using the full string | ||
43 | // or just a substring. Substrings aren't supported if not HAVE_REGEXP | ||
44 | RegExp::RegExp(const string &str, bool full_match): | ||
45 | #ifdef USE_REGEXP | ||
46 | m_regex(0) { | ||
47 | string match; | ||
48 | if (full_match) { | ||
49 | match = "^"; | ||
50 | match.append(str); | ||
51 | match.append("$"); | ||
52 | } else { | ||
53 | match = str; | ||
54 | } | ||
55 | |||
56 | m_regex = new regex_t; | ||
57 | int ret = regcomp(m_regex, match.c_str(), REG_NOSUB | REG_EXTENDED); | ||
58 | if (ret != 0) { | ||
59 | delete m_regex; // I don't think I regfree a failed compile? | ||
60 | m_regex = 0; | ||
61 | } | ||
62 | } | ||
63 | #else // notdef USE_REGEXP | ||
64 | m_str(str) {} | ||
65 | #endif // USE_REGEXP | ||
66 | |||
67 | RegExp::~RegExp() { | ||
68 | #ifdef USE_REGEXP | ||
69 | if (m_regex != 0) { | ||
70 | regfree(m_regex); | ||
71 | delete m_regex; | ||
72 | } | ||
73 | #endif // USE_REGEXP | ||
74 | } | ||
75 | |||
76 | bool RegExp::match(const string &str) const { | ||
77 | #ifdef USE_REGEXP | ||
78 | if (m_regex) | ||
79 | return regexec(m_regex, str.c_str(), 0, 0, 0) == 0; | ||
80 | else | ||
81 | return false; | ||
82 | #else // notdef USE_REGEXP | ||
83 | return (m_str == str); | ||
84 | #endif // USE_REGEXP | ||
85 | } | ||
86 | |||
87 | |||
88 | bool RegExp::error() const { | ||
89 | #ifdef USE_REGEXP | ||
90 | return m_regex == 0; | ||
91 | #else | ||
92 | return m_str == ""; | ||
93 | #endif // USE_REGEXP | ||
94 | } | ||
95 | |||
96 | }; // end namespace FbTk | ||