JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2015, 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/logDecorators.hpp"
#include "runtime/os.inline.hpp"

const LogDecorators LogDecorators::None = LogDecorators(0);

const char* LogDecorators::_name[][2] = {
#define DECORATOR(n, a) {#n, #a},
  DECORATOR_LIST
#undef DECORATOR
};

LogDecorators::Decorator LogDecorators::from_string(const char* str) {
  for (size_t i = 0; i < Count; i++) {
    Decorator d = static_cast<Decorator>(i);
    if (strcasecmp(str, name(d)) == 0 || strcasecmp(str, abbreviation(d)) == 0) {
      return d;
    }
  }
  return Invalid;
}

bool LogDecorators::parse(const char* decorator_args, outputStream* errstream) {
  if (decorator_args == NULL || strlen(decorator_args) == 0) {
    _decorators = DefaultDecoratorsMask;
    return true;
  }

  if (strcasecmp(decorator_args, "none") == 0 ) {
    _decorators = 0;
    return true;
  }

  bool result = true;
  uint tmp_decorators = 0;
  char* args_copy = os::strdup_check_oom(decorator_args, mtLogging);
  char* token = args_copy;
  char* comma_pos;
  do {
    comma_pos = strchr(token, ',');
    if (comma_pos != NULL) {
      *comma_pos = '\0';
    }
    Decorator d = from_string(token);
    if (d == Invalid) {
      if (errstream != NULL) {

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