From 41b6d83e6a0c39b31464fce67e69f0d4c5c905cc Mon Sep 17 00:00:00 2001 From: Kieran Bingham Date: Mon, 8 Feb 2021 17:07:32 +0000 Subject: libcamera: class: Provide move and copy disablers It can be difficult to correctly parse the syntax for copy/move and the associated assignment operators. Provide helpers as syntactic sugar to facilitate disabling either the copy constructor, and copy assignment operator, and the move constructor and move assignment operator in a way which is explicit and clear. Reviewed-by: Laurent Pinchart Signed-off-by: Kieran Bingham --- include/libcamera/class.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'include') diff --git a/include/libcamera/class.h b/include/libcamera/class.h index cb278e58..920624d8 100644 --- a/include/libcamera/class.h +++ b/include/libcamera/class.h @@ -11,6 +11,24 @@ namespace libcamera { +#ifndef __DOXYGEN__ +#define LIBCAMERA_DISABLE_COPY(klass) \ + klass(const klass &) = delete; \ + klass &operator=(const klass &) = delete; + +#define LIBCAMERA_DISABLE_MOVE(klass) \ + klass(klass &&) = delete; \ + klass &operator=(klass &&) = delete; + +#define LIBCAMERA_DISABLE_COPY_AND_MOVE(klass) \ + LIBCAMERA_DISABLE_COPY(klass) \ + LIBCAMERA_DISABLE_MOVE(klass) +#else +#define LIBCAMERA_DISABLE_COPY(klass) +#define LIBCAMERA_DISABLE_MOVE(klass) +#define LIBCAMERA_DISABLE_COPY_AND_MOVE(klass) +#endif + #ifndef __DOXYGEN__ #define LIBCAMERA_DECLARE_PRIVATE(klass) \ public: \ -- cgit v1.2.1