X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Finclude%2Fcore%2Fobject.h;h=3c00fb51abe807d00799d931278e2d5dddc8ffd6;hb=9b4a5ef2a407895415153f78b69a954ed414715b;hp=f2992c79346c989eb7d31d2fad25665174aab57c;hpb=bef7167f0dc1fd405e35d5cbffb3c0820945a9ea;p=sysdb.git diff --git a/src/include/core/object.h b/src/include/core/object.h index f2992c7..3c00fb5 100644 --- a/src/include/core/object.h +++ b/src/include/core/object.h @@ -35,15 +35,27 @@ extern "C" { #endif +struct sdb_type; +typedef struct sdb_type sdb_type_t; + struct sdb_object; typedef struct sdb_object sdb_object_t; -struct sdb_object { - int ref_cnt; - void (*destructor)(sdb_object_t *); +struct sdb_type { size_t size; + + int (*init)(sdb_object_t *, va_list); + void (*destroy)(sdb_object_t *); }; -#define SDB_OBJECT_INIT { 1, NULL, 0 } +#define SDB_TYPE_INIT { 0, NULL, NULL } + +struct sdb_object { + sdb_type_t type; + int ref_cnt; + char *name; +}; +#define SDB_OBJECT_INIT { SDB_TYPE_INIT, 1, NULL } +#define SDB_OBJECT_TYPED_INIT(t) { (t), 1, NULL } typedef struct { sdb_object_t super; @@ -52,18 +64,21 @@ typedef struct { } sdb_object_wrapper_t; #define SDB_OBJ(obj) ((sdb_object_t *)(obj)) +#define SDB_CONST_OBJ(obj) ((const sdb_object_t *)(obj)) #define SDB_OBJ_WRAPPER(obj) ((sdb_object_wrapper_t *)(obj)) +#define SDB_CONST_OBJ_WRAPPER(obj) ((const sdb_object_wrapper_t *)(obj)) /* * sdb_object_create: - * Allocates a new sdb_object_t of the specified 'size'. The object will be - * initialized to zero and then passed on to the 'init' function (if - * specified). If specified, the 'destructor' will be called, when the + * Allocates a new sdb_object_t of the specified 'name' and 'type'. The object + * will be initialized to zero and then passed on to the 'init' function (if + * specified). If specified, the 'destroy' callback will be called, when the * reference count drops to zero and before freeing the memory allocated by * the object itself. * - * If the init function fails (returns a non-zero value), the object will be - * destructed and destroyed. + * The init function will be called with the remaining arguments passed to + * sdb_object_create. If the init function fails (returns a non-zero value), + * the object will be destructed and destroyed. * * The reference count of the new object will be 1. * @@ -72,15 +87,20 @@ typedef struct { * - NULL on error */ sdb_object_t * -sdb_object_create(size_t size, int (*init)(sdb_object_t *, va_list), - void (*destructor)(sdb_object_t *), ...); +sdb_object_create(const char *name, sdb_type_t type, ...); +sdb_object_t * +sdb_object_vcreate(const char *name, sdb_type_t type, va_list ap); /* * sdb_object_create_wrapper: * Create a new sdb_object_t wrapping some arbitrary other object. + * + * Creation and initialization of the wrapped object needs to happen outside + * of the SysDB object system. */ sdb_object_t * -sdb_object_create_wrapper(void *data, void (*destructor)(void *)); +sdb_object_create_wrapper(const char *name, + void *data, void (*destructor)(void *)); #define SDB_OBJECT_WRAPPER_STATIC(obj, destructor) \ { SDB_OBJECT_INIT, (obj), (destructor) } @@ -102,6 +122,18 @@ sdb_object_deref(sdb_object_t *obj); void sdb_object_ref(sdb_object_t *obj); +/* + * sdb_object_cmp_by_name: + * Compare two objects by their name ignoring the case of the characters. + * + * Returns: + * - a negative value if o1 compares less than o2 + * - zero if o1 matches o2 + * - a positive value if o1 compares greater than o2 + */ +int +sdb_object_cmp_by_name(const sdb_object_t *o1, const sdb_object_t *o2); + #ifdef __cplusplus } /* extern "C" */ #endif