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products/Sources/formale Sprachen/Java/Openjdk/src/hotspot/share/logging/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 2 kB

Quelle logSelectionList.hpp 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.
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*/
#ifndef SHARE_LOGGING_LOGSELECTIONLIST_HPP
#define SHARE_LOGGING_LOGSELECTIONLIST_HPP

#include "logging/logConfiguration.hpp"
#include "logging/logSelection.hpp"
#include "logging/logTag.hpp"
#include "memory/allocation.hpp"
#include "utilities/debug.hpp"
#include "utilities/globalDefinitions.hpp"

class LogTagSet;

// Class used to temporary encode a series of log selections during log configuration.
// Consists of ordered LogSelections, i.e. "tag1+tag2=level1,tag3*=level2".
class LogSelectionList : public StackObj {
public:
  static const size_t MaxSelections = 256;

private:
  friend void LogConfiguration::configure_stdout(LogLevelType, int, ...);

  size_t _nselections;
  LogSelection _selections[MaxSelections];

public:
  LogSelectionList() : _nselections(0) {
  }

  LogSelectionList(const LogSelection& selection) : _nselections(1) {
    _selections[0] = selection;
  }

  bool parse(const char* str, outputStream* errstream = NULL);
  LogLevelType level_for(const LogTagSet& ts) const;

  // Verify that each selection actually selects something.
  // Returns false if some invalid selection was found. If given an outputstream,
  // this function will list all the invalid selections on the stream.
  bool verify_selections(outputStream* out = NULL) const;
};

#endif // SHARE_LOGGING_LOGSELECTIONLIST_HPP

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