LogMessageFormater.h

// LogMessageFormater.h:
// ---------------------
//

#ifndef __IPSDKUTIL_LOGMESSAGEFORMATER_H__
#define __IPSDKUTIL_LOGMESSAGEFORMATER_H__

// suppression warnings
// warning C4275: interface non dll class 'boost::noncopyable_::noncopyable' utilisée comme base d'une interface dll class 'ipsdk::LogMessageFormater'
// warning C4251: 'ipsdk::LogMessageFormater::_format' : class 'boost::basic_format<Ch>' nécessite une interface DLL pour être utilisé(e) par les clients de class 'ipsdk::LogMessageFormater'
#pragma warning (push)
#pragma warning (disable : 4275 4251)

#include <IPSDKUtil/IPSDKUtilExports.h>
#include <IPSDKUtil/BaseTypes.h>
#include <boost/noncopyable.hpp>
#include <boost/format.hpp>
#include <sstream>

namespace ipsdk {

class LogMessageManager;


class IPSDKUTIL_API LogMessageFormater : public boost::noncopyable
{
public:
    LogMessageFormater(const LogMessageManager& logMsgManager);
    ~LogMessageFormater();
    
// methods
public:
    template <typename EnumT>
    LogMessageFormater&     operator[](const EnumT& messageId)
    {
        return setMsgId(typeid(EnumT).name(), (ipInt32)messageId);
    }

    LogMessageFormater&     setMsgId(const std::string& enumTypeStr,
                                     ipInt32 msgId);

    template <class T>
    LogMessageFormater&     operator%(const T& arg)
    {
        _format % arg;

        // check whether format is fully completed
        if (_format.remaining_args() == 0) {
            _os << _format;
            _format = boost::format();
        }

        return *this;
    }

    template <class T>
    LogMessageFormater&     operator<<(const T& msg)
    {
        _os << msg;
        return *this;
    }

    std::string             string();

    void                    clear();

// attributes
protected:
    boost::format               _format;

    std::ostringstream          _os;

    const LogMessageManager&    _logMsgManager;
};


} // end of namespace ipsdk

#pragma warning (pop)

#endif // __IPSDKUTIL_LOGMESSAGEFORMATER_H__