/*

 * 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) {

        errstream->print_cr("Invalid decorator '%s'.", token);

      }

      result = false;

      break;

    }

    tmp_decorators |= mask(d);

    token = comma_pos + 1;

  } while (comma_pos != NULL);

  os::free(args_copy);

  if (result) {

    _decorators = tmp_decorators;

  }

  return result;

}