hinputwriter.h

#ifndef __HINPUTWRITER_H
#define __HINPUTWRITER_H
 
#include "hwriter.h"
#include "hwriterconsumer.h"
 
template <class T>
class HInputWriter : public HWriter<T>, public HWriterConsumer<T>
{
    private:
 
        HWriter<T>* _writer;
        bool _autostart;
        bool _started;
 
    public:
 
        HInputWriter(HWriter<T>* writer, bool autostart = true):
            _writer(writer),
            _autostart(autostart),
            _started(false) {}
 
        HInputWriter(bool autostart = true):
            _writer(nullptr),
            _autostart(autostart),
            _started(false) {}
 
        int Write(T* src, size_t blocksize) {
            if( _autostart && !_started ) {
                _started = Start();
            }
            return _writer->Write(src, blocksize);
        }
 
        void SetWriter(HWriter<T>* writer) {
            _writer = writer;
        }
 
        bool Start() {
            if( _writer != nullptr )
            {
                return _writer->Start();
            }
            return true;
        }
 
        bool Stop() {
            if( _writer != nullptr )
            {
                return _writer->Stop();
            }
            return true;
        }
 
        bool Command(HCommand* command) {
            return _writer->Command(command);
        }
};
 
#endif