Quelle logLevel.cpp Sprache: C

/*
* Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#include "precompiled.hpp"
#include "logging/logLevel.hpp"
#include "utilities/globalDefinitions.hpp"
#include "utilities/stringUtils.hpp"

const char* LogLevel::_name[] = {
  "off",
#define LOG_LEVEL(name, printname) #printname,
  LOG_LEVEL_LIST
#undef LOG_LEVEL
};

LogLevelType LogLevel::from_string(const char* str) {
  for (uint i = 0; i < Count; i++) {
    if (strcasecmp(str, _name[i]) == 0) {
      return static_cast<LogLevelType>(i);
    }
  }
  return Invalid;
}

LogLevelType LogLevel::fuzzy_match(const char *level) {
  size_t len = strlen(level);
  LogLevelType match = LogLevel::Invalid;
  double best = 0.4; // required similarity to be considered a match
  for (uint i = 1; i < Count; i++) {
    LogLevelType cur = static_cast<LogLevelType>(i);
    const char* levelname = LogLevel::name(cur);
    double score = StringUtils::similarity(level, len, levelname, strlen(levelname));
    if (score >= best) {
      match = cur;
      best= score;
    }
  }
  return match;
}

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