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 {
        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;
        };
 
        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;
    };
} // namespace log4cpp
 
#endif // _LOG4CPP_NDC_HH