ProcessingBlock.h

#ifndef PROCESSINGBLOCK_H
#define PROCESSINGBLOCK_H

#ifndef WITHOUT_PROCESSING_BLOCK

#include "Context.h"
#include "DllHandle.h"
#include "ExceptionCheck.h"

namespace pbio
{

class FacerecService;

class ProcessingBlock
{
public:

    ProcessingBlock(const ProcessingBlock&) = delete;
    ProcessingBlock& operator=(const ProcessingBlock&) = delete;
    ProcessingBlock(ProcessingBlock&& other) : dll_handle_(other.dll_handle_), eh_(nullptr)
    {
        handle_ = other.handle_;
        other.handle_ = nullptr;
    };
    ProcessingBlock& operator=(ProcessingBlock&& other)
    {
        if (&other != this)
        {
            handle_ = other.handle_;
            other.handle_ = nullptr;
        }
        return *this;
    }

    virtual void operator()(pbio::Context& ctx)
    {
        dll_handle_->TDVProcessingBlock_processContext(handle_, ctx.getHandle(), &eh_);
        tdvCheckException(dll_handle_, eh_);
    }

    ~ProcessingBlock() {
        if(handle_)
        {
            dll_handle_->TDVProcessingBlock_destroyBlock(handle_,  &eh_);
#if __cplusplus >= 201703L
            if (eh_ && std::uncaught_exceptions() > 0)
#else
            if (eh_ && std::uncaught_exception())
#endif
                std::cerr << Error(dll_handle_->TDVException_getErrorCode(eh_), dll_handle_->TDVException_getMessage(eh_)).what();
            else
                tdvCheckException(dll_handle_, eh_);
            handle_ = nullptr;
        }
    }

private:

    ProcessingBlock(void* service, const DHPtr &dll_handle, const pbio::Context& ctx) : dll_handle_(dll_handle), eh_(nullptr) {
        void* exception = nullptr;
        handle_ = dll_handle_->FacerecService_ProcessingBlock_createProcessingBlock(service, ctx.getHandle(), &exception);
        checkException(exception, *dll_handle_);
    }

    typedef LightSmartPtr<import::DllHandle>::tPtr DHPtr;

    const DHPtr dll_handle_;
    mutable ContextEH* eh_;
    HPBlock* handle_;

    friend class FacerecService;
};
}

#endif // WITHOUT_PROCESSING_BLOCK
#endif // PROCESSINGBLOCK_H