[libcamera-devel] [PATCH] pipeline: ipa: raspberrypi: Switch to use C++17 features where possible

[Kieran Bingham]

Hi Naush,

On 06/10/2020 10:07, Naushir Patuck wrote:
> With the recent change to use C++17, the following code changes can be
> made:
> - Use C++17 [[fallthough]] attribute instead of /* Fall through */.
> - Swap boost::any to std::any.

Ohhhhh ;-)

> Signed-off-by: Naushir Patuck <naush at raspberrypi.com>

Sounds and looks good to me, and one less boost header ;-)

Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>

> ---
>  src/ipa/raspberrypi/controller/metadata.hpp        | 9 ++++-----
>  src/libcamera/pipeline/raspberrypi/raspberrypi.cpp | 2 +-
>  2 files changed, 5 insertions(+), 6 deletions(-)
> 
> diff --git a/src/ipa/raspberrypi/controller/metadata.hpp b/src/ipa/raspberrypi/controller/metadata.hpp
> index f3a8dfab..4f44ffc6 100644
> --- a/src/ipa/raspberrypi/controller/metadata.hpp
> +++ b/src/ipa/raspberrypi/controller/metadata.hpp
> @@ -8,13 +8,12 @@
>  
>  // A simple class for carrying arbitrary metadata, for example about an image.
>  
> +#include <any>
>  #include <string>
>  #include <mutex>
>  #include <map>
>  #include <memory>
>  
> -#include <boost/any.hpp>
> -
>  namespace RPiController {
>  
>  class Metadata
> @@ -31,7 +30,7 @@ public:
>  		auto it = data_.find(tag);
>  		if (it == data_.end())
>  			return -1;
> -		value = boost::any_cast<T>(it->second);
> +		value = std::any_cast<T>(it->second);
>  		return 0;
>  	}
>  	void Clear()
> @@ -53,7 +52,7 @@ public:
>  		auto it = data_.find(tag);
>  		if (it == data_.end())
>  			return nullptr;
> -		return boost::any_cast<T>(&it->second);
> +		return std::any_cast<T>(&it->second);
>  	}
>  	template<typename T>
>  	void SetLocked(std::string const &tag, T const &value)
> @@ -69,7 +68,7 @@ public:
>  
>  private:
>  	mutable std::mutex mutex_;
> -	std::map<std::string, boost::any> data_;
> +	std::map<std::string, std::any> data_;
>  };
>  
>  typedef std::shared_ptr<Metadata> MetadataPtr;
> diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
> index 1052bdce..26dbd257 100644
> --- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
> +++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
> @@ -1494,7 +1494,7 @@ void RPiCameraData::handleState()
>  		 * No break here, we want to try running the pipeline again.
>  		 * The fallthrough clause below suppresses compiler warnings.
>  		 */
> -		/* Fall through */
> +		[[fallthrough]];
>  
>  	case State::Idle:
>  		tryRunPipeline();
> 

-- 
Regards
--
Kieran