flag_debuggable.h

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#ifndef AUDIOGRAPHER_FLAG_DEBUGGABLE_H
#define AUDIOGRAPHER_FLAG_DEBUGGABLE_H
 
#include "audiographer/visibility.h"
#include "debuggable.h"
#include "debug_utils.h"
#include "process_context.h"
#include "types.h"
 
#include <boost/format.hpp>
 
namespace AudioGrapher
{
 
template<DebugLevel L = DEFAULT_DEBUG_LEVEL>
class LIBAUDIOGRAPHER_API FlagDebuggable : public Debuggable<L>
{
  public:
        typedef FlagField::Flag Flag;
 
  protected:
 
        void add_supported_flag (Flag flag)
        {
                flags.set (flag);
        }
 
        template<typename SelfType, typename ContextType>
        void check_flags (SelfType & self, ProcessContext<ContextType> context)
        {
                if (!Debuggable<L>::debug_level (DebugFlags)) { return; }
                FlagField unsupported = flags.unsupported_flags_of (context.flags());
 
                for (FlagField::iterator it = unsupported.begin(); it != unsupported.end(); ++it) {
                        Debuggable<L>::debug_stream() << boost::str (boost::format
                                ("%1% does not support flag %2%")
                                % DebugUtils::demangled_name (self) % DebugUtils::process_context_flag_name (*it)
                                ) << std::endl;
                }
        }
 
  private:
        FlagField flags;
};
 
 
} // namespace
 
#endif // AUDIOGRAPHER_FLAG_DEBUGGABLE_H