1 /*
2  * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 #include "precompiled.hpp"
25 #include "logging/logLevel.hpp"
26 #include "utilities/globalDefinitions.hpp"
27 #include "utilities/stringUtils.hpp"
28 
29 const char* LogLevel::_name[] = {
30   "off",
31 #define LOG_LEVEL(name, printname) #printname,
32   LOG_LEVEL_LIST
33 #undef LOG_LEVEL
34 };
35 
from_string(const char * str)36 LogLevelType LogLevel::from_string(const char* str) {
37   for (uint i = 0; i < Count; i++) {
38     if (strcasecmp(str, _name[i]) == 0) {
39       return static_cast<LogLevelType>(i);
40     }
41   }
42   return Invalid;
43 }
44 
fuzzy_match(const char * level)45 LogLevelType LogLevel::fuzzy_match(const char *level) {
46   size_t len = strlen(level);
47   LogLevelType match = LogLevel::Invalid;
48   double best = 0.4; // required similarity to be considered a match
49   for (uint i = 1; i < Count; i++) {
50     LogLevelType cur = static_cast<LogLevelType>(i);
51     const char* levelname = LogLevel::name(cur);
52     double score = StringUtils::similarity(level, len, levelname, strlen(levelname));
53     if (score >= best) {
54       match = cur;
55       best= score;
56     }
57   }
58   return match;
59 }
60