OW_LogMessagePatternFormatter.hpp

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#ifndef OW_LOG_MESSAGE_PATTERN_FORMATTER_IFC_HPP_INCLUDE_GUARD_
#define OW_LOG_MESSAGE_PATTERN_FORMATTER_IFC_HPP_INCLUDE_GUARD_
#include "OW_config.h"
#include "OW_CommonFwd.hpp"
#include "OW_Array.hpp"
#include "OW_Exception.hpp"

namespace OW_NAMESPACE
{

OW_DECLARE_APIEXCEPTION(LogMessagePatternFormatter, OW_COMMON_API);

class OW_COMMON_API LogMessagePatternFormatter
{
public:

   static const String STR_DEFAULT_MESSAGE_PATTERN;

   enum EErrorCodes
   {
      E_INVALID_PATTERN_NO_DIGIT_AFTER_DOT,
      E_INVALID_PATTERN_PRECISION_NOT_AN_INTEGER,
      E_INVALID_PATTERN_UNSUPPORTED_CONVERSION
   };

   LogMessagePatternFormatter(const String& pattern);
   ~LogMessagePatternFormatter();

   void formatMessage(const LogMessage& message, StringBuffer& output) const;

public: // implementation details
   class Converter;
   typedef IntrusiveReference<Converter> ConverterRef;

private:

#ifdef OW_WIN32
#pragma warning (push)
#pragma warning (disable: 4251)
#endif

   Array<ConverterRef> m_patternConverters;

#ifdef OW_WIN32
#pragma warning (pop)
#endif

   // non-copyable
   LogMessagePatternFormatter(const LogMessagePatternFormatter&);
   LogMessagePatternFormatter& operator=(const LogMessagePatternFormatter&);
};

} // end namespace OW_NAMESPACE

#endif

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