Re: [Log4cplus-devel] Implementing %r in PatternLayout

[Václav H. <v.h...@sh...>]

 On Tue, 28 Jun 2011 18:44:57 +1000, Malcolm Smith wrote:
> I've made the following modification for my needs (I need the %r
> option supported). I hope this (or something like it) can be added in
> a future release.
 Thank you, I will look into integrating this.

>
> PatternLayout.cpp
>
> ==============
>
> // might want to use a new global - using this for now since it is
> always initialized
>
> namespace log4cplus
>
> {
>
>  extern helpers::Time TTCCLayout_time_base;
>
> }
>
> class RelativeTimeConverter : public PatternConverter {
>
>  public:
>
>  RelativeTimeConverter(const FormattingInfo& info,
>
>  const log4cplus::tstring& pattern);
>
>  virtual log4cplus::tstring convert(const InternalLoggingEvent&
> event);
>
> private:
>
>  log4cplus::tstring format;
>
>  };
>
> ////////////////////////////////////////////////
>
> // RelativeTimeConverter methods:
>
> ////////////////////////////////////////////////
>
> log4cplus::pattern::RelativeTimeConverter::RelativeTimeConverter
>
>  (const FormattingInfo& info,
>
>  const log4cplus::tstring& pattern)
>
> : PatternConverter(info),
>
>  format(pattern)
>
> {
>
> }
>
> log4cplus::tstring
>
> log4cplus::pattern::RelativeTimeConverter::convert
>
>  (const InternalLoggingEvent& event)
>
> {
>
>  log4cplus::helpers::Time const rel_time = event.getTimestamp () -
> log4cplus::TTCCLayout_time_base;
>
>  return rel_time.getFormattedTime(format, true);
>
> }
>
> // in void
> log4cplus::pattern::PatternParser::finalizeConverter(log4cplus::tchar
> c)
>
> case LOG4CPLUS_TEXT('r'):
>
>  {
>
>  log4cplus::tstring dOpt = extractOption();
>
>  if(dOpt.empty ()) {
>
>  dOpt = LOG4CPLUS_TEXT("%H:%M:%S:%q");
>
>  }
>
>  pc = new RelativeTimeConverter(formattingInfo, dOpt);
>
>  }
>
>  break;
>
> Mal


-- 
 VH