How does this relate to G_DECLARE_DERIVABLE_TYPE/G_DECLARE_FINAL_TYPE?
On Mon, Sep 04, 2017 at 05:09:22PM +0100, Frediano Ziglio wrote:
> The macro will implement most of the boilerplate needed
> to declare an object.
>
> Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> ---
> server/red-common.h | 34 ++++++++++++++++++++++++++++++++++
> 1 file changed, 34 insertions(+)
>
> diff --git a/server/red-common.h b/server/red-common.h
> index 9ff1fd9b..7f60e228 100644
> --- a/server/red-common.h
> +++ b/server/red-common.h
> @@ -93,4 +93,38 @@ typedef struct GListIter {
> #define GLIST_FOREACH_REVERSED(_list, _type, _data) \
> GLIST_FOREACH_GENERIC(_list, G_PASTE(_iter_, __LINE__), _type, _data, prev)
>
> +/* Helper to declare a GObject type
> + *
> + * @_type type identifier like MyObject
> + * @_prefix method prefix like my_object (no need to add the
> + * underscore)
> + * @_macro macro common part like MY_OBJECT
> + * @_struct used to specify the structure type in case is not
> + * the same as the @_type. For instance can be
> + * "struct MyOjectDefinition"
> + */
> +#define GOBJECT_DECLARE_TYPE_STRUCT(_type, _prefix, _macro, _struct) \
> + typedef _struct _type; \
> + typedef struct _type ## Class _type ## Class; \
> + typedef struct _type ## Private _type ## Private; \
> + GType _prefix ## _get_type(void) G_GNUC_CONST; \
> + static inline _type *_macro(void *obj) \
> + { return G_TYPE_CHECK_INSTANCE_CAST(obj, _prefix ## _get_type(), _type); } \
> + static inline _type ## Class *_macro ## _CLASS(void *klass) \
> + { return G_TYPE_CHECK_CLASS_CAST(klass, _prefix ## _get_type(), _type ## Class); } \
> + static inline gboolean IS_ ## _macro(void *obj) \
> + { return G_TYPE_CHECK_INSTANCE_TYPE(obj, _prefix ## _get_type()); } \
> + static inline gboolean IS_ ## _macro ## _CLASS(void *klass) \
> + { return G_TYPE_CHECK_CLASS_TYPE((klass), _prefix ## _get_type()); } \
> + static inline _type ## Class *_macro ## _GET_CLASS(void *obj) \
> + { return G_TYPE_INSTANCE_GET_CLASS(obj, _prefix ## _get_type(), _type ## Class); }
> +
> +/* Helper to declare a GObject type
> + *
> + * Same as GOBJECT_DECLARE_TYPE_STRUCT but the structure is the same
> + * as the type, most declarations use this convention.
> + */
> +#define GOBJECT_DECLARE_TYPE(_type, _prefix, _macro) \
> + GOBJECT_DECLARE_TYPE_STRUCT(_type, _prefix, _macro, struct _type)
> +
> #endif /* RED_COMMON_H_ */
> --
> 2.13.5
>
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