CamelObject

CamelObject

Synopsis

#define             CAMEL_OBJECT_TRACK_INSTANCES
typedef             CamelType;
                    CamelObject;
#define             CAMEL_CHECK_CAST                    (obj, ctype, ptype)
#define             CAMEL_CHECK_CLASS_CAST              (klass, ctype, ptype)
#define             CAMEL_CHECK_TYPE                    (obj, ctype)
#define             CAMEL_CHECK_CLASS_TYPE              (klass, ctype)
extern              CamelType camel_object_type;
#define             CAMEL_OBJECT_TYPE
#define             CAMEL_OBJECT_GET_TYPE               (o)
typedef             CamelObjectHookID;
                    CamelObjectMeta;
extern              CamelType camel_interface_type;
#define             CAMEL_INTERFACE_TYPE
                    CamelInterface;
void                (*CamelObjectClassInitFunc)         (CamelObjectClass *);
void                (*CamelObjectClassFinalizeFunc)     (CamelObjectClass *);
void                (*CamelObjectInitFunc)              (CamelObject *,
                                                         CamelObjectClass *);
void                (*CamelObjectFinalizeFunc)          (CamelObject *);
gboolean            (*CamelObjectEventPrepFunc)         (CamelObject *,
                                                         gpointer );
void                (*CamelObjectEventHookFunc)         (CamelObject *,
                                                         gpointer ,
                                                         gpointer );
#define             CAMEL_INVALID_TYPE
enum                CamelObjectFlags;
struct              CamelIterator;
void*               camel_iterator_new                  (CamelIteratorVTable *klass,
                                                         size_t size);
void                camel_iterator_free                 (void *it);
const void*         camel_iterator_next                 (void *it,
                                                         CamelException *ex);
void                camel_iterator_reset                (void *it);
int                 camel_iterator_length               (void *it);

Description

Details

CAMEL_OBJECT_TRACK_INSTANCES

#define CAMEL_OBJECT_TRACK_INSTANCES


CamelType

typedef struct _CamelObjectClass *CamelType;


CamelObject

typedef struct {
	struct _CamelObjectClass *klass;

	guint32 magic;		/* only really needed for debugging ... */

	/* current hooks on this object */
	struct _CamelHookList *hooks;

	guint32 ref_count:24;
	guint32 flags:8;

#ifdef CAMEL_OBJECT_TRACK_INSTANCES
	struct _CamelObject *next, *prev;
#endif
} CamelObject;


CAMEL_CHECK_CAST()

#define             CAMEL_CHECK_CAST(obj, ctype, ptype)

obj :

ctype :

ptype :


CAMEL_CHECK_CLASS_CAST()

#define             CAMEL_CHECK_CLASS_CAST(klass, ctype, ptype)

klass :

ctype :

ptype :


CAMEL_CHECK_TYPE()

#define CAMEL_CHECK_TYPE(obj, ctype)                (camel_object_is ((CamelObject *)(obj), (CamelType)(ctype) ))

obj :

ctype :


CAMEL_CHECK_CLASS_TYPE()

#define CAMEL_CHECK_CLASS_TYPE(klass, ctype)        (camel_object_class_is ((CamelObjectClass *)(klass), (CamelType)(ctype)))

klass :

ctype :


camel_object_type

extern CamelType camel_object_type;


CAMEL_OBJECT_TYPE

#define CAMEL_OBJECT_TYPE        (camel_object_type)


CAMEL_OBJECT_GET_TYPE()

#define CAMEL_OBJECT_GET_TYPE(o)  ((CamelType)(CAMEL_OBJECT(o))->klass)

o :


CamelObjectHookID

typedef unsigned int CamelObjectHookID;


CamelObjectMeta

typedef struct {
	struct _CamelObjectMeta *next;

	char *value;
	char name[1];		/* allocated as part of structure */
} CamelObjectMeta;

Warning

CamelObjectMeta is deprecated and should not be used in newly-written code.


camel_interface_type

extern CamelType camel_interface_type;

Warning

camel_interface_type is deprecated and should not be used in newly-written code.


CAMEL_INTERFACE_TYPE

#define CAMEL_INTERFACE_TYPE (camel_interface_type)

Warning

CAMEL_INTERFACE_TYPE is deprecated and should not be used in newly-written code.


CamelInterface

typedef struct {
	struct _CamelObjectClass type;
};
#endif /* CAMEL_DISABLE_DEPRECATED */

/* The type system .... it's pretty simple..... */
void camel_type_init (void);
CamelType camel_type_register(CamelType parent, const char * name, /*unsigned int ver, unsigned int rev,*/
			      size_t instance_size,
			      size_t classfuncs_size,
			      CamelObjectClassInitFunc class_init,
			      CamelObjectClassFinalizeFunc  class_finalize,
			      CamelObjectInitFunc instance_init,
			      CamelObjectFinalizeFunc instance_finalize);

#ifndef CAMEL_DISABLE_DEPRECATED
CamelType camel_interface_register(CamelType parent, const char *name,
				   size_t classfuncs_size,
				   CamelObjectClassInitFunc class_init,
				   CamelObjectClassFinalizeFunc class_finalize);
#endif /* CAMEL_DISABLE_DEPRECATED */

/* deprecated interface */
#define camel_type_get_global_classfuncs(x) ((CamelObjectClass *)(x))

/* object class methods (types == classes now) */
const char *camel_type_to_name (CamelType type);
CamelType camel_name_to_type (const char *name);
void camel_object_class_add_event (CamelObjectClass *klass, const char *name, CamelObjectEventPrepFunc prep);
#ifndef CAMEL_DISABLE_DEPRECATED
void camel_object_class_add_interface(CamelObjectClass *klass, CamelType itype);
#endif /* CAMEL_DISABLE_DEPRECATED */

void camel_object_class_dump_tree (CamelType root);

/* casting */
CamelObject *camel_object_cast(CamelObject *obj, CamelType ctype);
gboolean camel_object_is(CamelObject *obj, CamelType ctype);

CamelObjectClass *camel_object_class_cast (CamelObjectClass *klass, CamelType ctype);
gboolean camel_object_class_is (CamelObjectClass *klass, CamelType ctype);

#ifndef CAMEL_DISABLE_DEPRECATED
CamelObjectClass *camel_interface_cast(CamelObjectClass *klass, CamelType ctype);
gboolean camel_interface_is(CamelObjectClass *k, CamelType ctype);
#endif /* CAMEL_DISABLE_DEPRECATED */

CamelType camel_object_get_type (void);

CamelObject *camel_object_new (CamelType type);

void camel_object_ref(void *);
void camel_object_unref(void *);

#ifdef CAMEL_DEBUG
#define camel_object_ref(o) (printf("%s (%s:%d):ref (%p)\n", __FUNCTION__, __FILE__, __LINE__, o), camel_object_ref(o))
#define camel_object_unref(o) (printf("%s (%s:%d):unref (%p)\n", __FUNCTION__, __FILE__, __LINE__, o), camel_object_unref (o))
#endif

/* hooks */
CamelObjectHookID camel_object_hook_event(void *obj, const char *name, CamelObjectEventHookFunc hook, void *data);
void camel_object_remove_event(void *obj, CamelObjectHookID id);
void camel_object_unhook_event(void *obj, const char *name, CamelObjectEventHookFunc hook, void *data);
void camel_object_trigger_event(void *obj, const char *name, void *event_data);

#ifndef CAMEL_DISABLE_DEPRECATED
/* interfaces */
void *camel_object_get_interface(void *vo, CamelType itype);
#endif /* CAMEL_DISABLE_DEPRECATED */

/* get/set methods */
int camel_object_set(void *obj, struct _CamelException *ex, ...);
int camel_object_setv(void *obj, struct _CamelException *ex, CamelArgV *);
int camel_object_get(void *obj, struct _CamelException *ex, ...);
int camel_object_getv(void *obj, struct _CamelException *ex, CamelArgGetV *);

/* not very efficient one-time calls */
void *camel_object_get_ptr(void *vo, CamelException *ex, int tag);
int camel_object_get_int(void *vo, CamelException *ex, int tag);

/* meta-data for user-specific data */
char *camel_object_meta_get(void *vo, const char * name);
gboolean camel_object_meta_set(void *vo, const char * name, const char *value);

/* reads/writes the state from/to the CAMEL_OBJECT_STATE_FILE */
int camel_object_state_read(void *vo);
int camel_object_state_write(void *vo);

/* free a retrieved object.  May be a noop for static data. */
void camel_object_free(void *vo, guint32 tag, void *value);

/* for managing bags of weakly-ref'd 'child' objects */
typedef struct _CamelObjectBag CamelObjectBag;
typedef void *(*CamelCopyFunc)(const void *vo);

CamelObjectBag *camel_object_bag_new(GHashFunc hash, GEqualFunc equal, CamelCopyFunc keycopy, GFreeFunc keyfree);
void *camel_object_bag_get(CamelObjectBag *bag, const void *key);
void *camel_object_bag_peek(CamelObjectBag *bag, const void *key);
void *camel_object_bag_reserve(CamelObjectBag *bag, const void *key);
void camel_object_bag_add(CamelObjectBag *bag, const void *key, void *vo);
void camel_object_bag_abort(CamelObjectBag *bag, const void *key);
void camel_object_bag_rekey(CamelObjectBag *bag, void *o, const void *newkey);
GPtrArray *camel_object_bag_list(CamelObjectBag *bag);
void camel_object_bag_remove(CamelObjectBag *bag, void *o);
void camel_object_bag_destroy(CamelObjectBag *bag);

#define CAMEL_MAKE_CLASS(type, tname, parent, pname)				\
static CamelType type##_type;							\
static pname##Class * type##_parent_class;					\
										\
CamelType									\
type##_get_type(void)								\
{										\
	if (type##_type == 0) {							\
		type##_parent_class = (pname##Class *)parent##_get_type();	\
		type##_type = camel_type_register(				\
			type##_parent_class, #tname "Class",			\
			sizeof(tname),						\
			sizeof(tname ## Class),					\
			(CamelObjectClassInitFunc) type##_class_init,		\
			NULL,							\
			(CamelObjectInitFunc) type##_init,			\
			(CamelObjectFinalizeFunc) type##_finalise);		\
	}									\
										\
	return type##_type;							\
}

#ifndef CAMEL_DISABLE_DEPRECATED
/* Utility functions, not object specific, but too small to separate */
typedef struct _CamelIteratorVTable CamelIteratorVTable;
typedef struct _CamelIterator CamelIterator;

struct _CamelIteratorVTable {
	/* free fields, dont free base object */
	void (*free)(void *it);
	/* go to the next messageinfo */
	const void *(*next)(void *it, CamelException *ex);
	/* go back to the start */
	void (*reset)(void *it);
	/* *ESTIMATE* how many results are in the iterator */
	int (*length)(void *it);
} CamelInterface;

Warning

CamelInterface is deprecated and should not be used in newly-written code.


CamelObjectClassInitFunc ()

void                (*CamelObjectClassInitFunc)         (CamelObjectClass *);

Param1 :


CamelObjectClassFinalizeFunc ()

void                (*CamelObjectClassFinalizeFunc)     (CamelObjectClass *);

Param1 :


CamelObjectInitFunc ()

void                (*CamelObjectInitFunc)              (CamelObject *,
                                                         CamelObjectClass *);

Param1 :

Param2 :


CamelObjectFinalizeFunc ()

void                (*CamelObjectFinalizeFunc)          (CamelObject *);

Param1 :


CamelObjectEventPrepFunc ()

gboolean            (*CamelObjectEventPrepFunc)         (CamelObject *,
                                                         gpointer );

Param1 :

Param2 :

Returns :


CamelObjectEventHookFunc ()

void                (*CamelObjectEventHookFunc)         (CamelObject *,
                                                         gpointer ,
                                                         gpointer );

Param1 :

Param2 :

Param3 :


CAMEL_INVALID_TYPE

#define CAMEL_INVALID_TYPE (NULL)


enum CamelObjectFlags

typedef enum _CamelObjectFlags {
	CAMEL_OBJECT_DESTROY = (1<<0)
} CamelObjectFlags;


struct CamelIterator

struct CamelIterator {
	CamelIteratorVTable *klass;

	/* subclasses adds new fields afterwards */
};

Warning

CamelIterator is deprecated and should not be used in newly-written code.


camel_iterator_new ()

void*               camel_iterator_new                  (CamelIteratorVTable *klass,
                                                         size_t size);

Warning

camel_iterator_new is deprecated and should not be used in newly-written code.

klass :

size :

Returns :


camel_iterator_free ()

void                camel_iterator_free                 (void *it);

Warning

camel_iterator_free is deprecated and should not be used in newly-written code.

it :


camel_iterator_next ()

const void*         camel_iterator_next                 (void *it,
                                                         CamelException *ex);

Warning

camel_iterator_next is deprecated and should not be used in newly-written code.

it :

ex :

Returns :


camel_iterator_reset ()

void                camel_iterator_reset                (void *it);

Warning

camel_iterator_reset is deprecated and should not be used in newly-written code.

it :


camel_iterator_length ()

int                 camel_iterator_length               (void *it);

Warning

camel_iterator_length is deprecated and should not be used in newly-written code.

it :

Returns :