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>

namespace log4cpp {
    class LOG4CPP_EXPORT NDC {
        public:

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

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

        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;
    };        
}

#endif // _LOG4CPP_NDC_HH