NDC.hh

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/*
 * NDC.hh
 *
 * Copyright 2000, LifeLine Networks BV (www.lifeline.nl). All rights reserved.
 * Copyright 2000, Bastiaan Bakker. All rights reserved.
 *
 * See the COPYING file for the terms of usage and distribution.
 */

#ifndef _LOG4CPP_NDC_HH
#define _LOG4CPP_NDC_HH

#include <log4cpp/Portability.hh>
#include <string>
#include <vector>

LOG4CPP_NS_BEGIN
class LOG4CPP_EXPORT NDC {
    static bool isUsedNDC;
    static const std::string emptyString;
public:

    struct DiagnosticContext {
        DiagnosticContext(const std::string& message);
        DiagnosticContext(const std::string& message,
            const DiagnosticContext& parent);

        std::string message;
        std::string fullMessage;
    };


    static void shutdown();

    typedef std::vector<DiagnosticContext> ContextStack;

    static void clear();

    static ContextStack* cloneStack();

    static const std::string& get();

    static size_t getDepth();

    static void inherit(ContextStack* stack);

    static std::string pop();

    static void push(const std::string& message);

    static void setMaxDepth(int maxDepth);

    static NDC& getNDC();

    NDC();
    virtual ~NDC();

public:
    virtual void _clear();
    virtual ContextStack* _cloneStack();
    virtual const std::string& _get() const;
    virtual size_t _getDepth() const;
    virtual void _inherit(ContextStack* stack);
    virtual std::string _pop();
    virtual void _push(const std::string& message);
    virtual void _setMaxDepth(int maxDepth);

    ContextStack _stack;
};
LOG4CPP_NS_END

#endif // _LOG4CPP_NDC_HH