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CategoryStream.hh

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/*
 * CategoryStream.hh
 *
 * Copyright 2001, LifeLine Networks BV (www.lifeline.nl). All rights reserved.
 * Copyright 2001, Bastiaan Bakker. All rights reserved.
 *
 * See the COPYING file for the terms of usage and distribution.
 */

#ifndef _LOG4CPP_CATEGORYSTREAM_HH
#define _LOG4CPP_CATEGORYSTREAM_HH

#include <log4cpp/Portability.hh>
#include <log4cpp/Priority.hh>
#ifdef LOG4CPP_HAVE_SSTREAM
#include <sstream>
#endif

namespace log4cpp {

    class LOG4CPP_EXPORT Category;

    class LOG4CPP_EXPORT CategoryStream {
        public:

        typedef enum {
            ENDLINE
        } Separator;

        CategoryStream(Category& category, Priority::Value priority);

        ~CategoryStream();
        
        inline Category& getCategory() const { return _category; };

        inline Priority::Value getPriority() const throw() { 
            return _priority; 
        };

        CategoryStream& operator<<(Separator separator);

        void flush();

        template<typename T> CategoryStream& operator<<(const T& t) {
            if (getPriority() != Priority::NOTSET) {
                if (!_buffer) {
                    if (!(_buffer = new std::ostringstream)) {
                        // XXX help help help
                    }
                }
                (*_buffer) << t;
            }
            return *this;
        }
        
        private:
        Category& _category;
        Priority::Value _priority;
        std::ostringstream* _buffer;
    };

}
#endif // _LOG4CPP_CATEGORYSTREAM_HH

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