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-rw-r--r--camel/camel-object.h233
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diff --git a/camel/camel-object.h b/camel/camel-object.h
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--- a/camel/camel-object.h
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-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* camel-object.h: Base class for Camel */
-
-/*
- * Author:
- * Dan Winship <danw@ximian.com>
- * Michael Zucchi <notzed@ximian.com>
- *
- * Copyright 2000 Ximian, Inc. (www.ximian.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- */
-
-
-#ifndef CAMEL_OBJECT_H
-#define CAMEL_OBJECT_H 1
-
-#ifdef __cplusplus
-extern "C" {
-#pragma }
-#endif /* __cplusplus */
-
-#include <stdlib.h> /* size_t */
-#include <glib.h>
-#include <stdarg.h>
-#include <camel/camel-arg.h>
-#include <camel/camel-types.h> /* this is a @##$@#SF stupid header */
-
-/* this crap shouldn't be here */
-#include <camel/camel-i18n.h>
-
-#ifdef ENABLE_THREADS
-#include <pthread.h>
-#endif
-
-/* turn on so that camel_object_class_dump_tree() dumps object instances as well */
-#define CAMEL_OBJECT_TRACK_INSTANCES
-
-typedef struct _CamelObjectClass *CamelType;
-
-#ifdef G_DISABLE_CHECKS
-#define CAMEL_CHECK_CAST(obj, ctype, ptype) ((ptype *) obj)
-#define CAMEL_CHECK_CLASS_CAST(klass, ctype, ptype) ((ptype *) klass)
-#else
-#define CAMEL_CHECK_CAST(obj, ctype, ptype) ((ptype *) camel_object_cast ((CamelObject *)(obj), (CamelType)(ctype)))
-#define CAMEL_CHECK_CLASS_CAST(klass, ctype, ptype) ((ptype *) camel_object_class_cast ((CamelObjectClass *)(klass), (CamelType)(ctype) ))
-#endif
-#define CAMEL_CHECK_TYPE(obj, ctype) (camel_object_is ((CamelObject *)(obj), (CamelType)(ctype) ))
-#define CAMEL_CHECK_CLASS_TYPE(klass, ctype) (camel_object_class_is ((CamelObjectClass *)(klass), (CamelType)(ctype)))
-
-extern CamelType camel_object_type;
-
-#define CAMEL_OBJECT_TYPE (camel_object_type)
-
-/* we can't check casts till we've got the type, use the global type variable because its cheaper */
-#define CAMEL_OBJECT(obj) (CAMEL_CHECK_CAST((obj), camel_object_type, CamelObject))
-#define CAMEL_OBJECT_CLASS(k) (CAMEL_CHECK_CLASS_CAST ((k), camel_object_type, CamelObjectClass))
-#define CAMEL_IS_OBJECT(o) (CAMEL_CHECK_TYPE((o), camel_object_type))
-#define CAMEL_IS_OBJECT_CLASS(k) (CAMEL_CHECK_CLASS_TYPE((k), camel_object_type))
-
-#define CAMEL_OBJECT_GET_CLASS(o) ((CamelObjectClass *)(CAMEL_OBJECT(o))->klass)
-#define CAMEL_OBJECT_GET_TYPE(o) ((CamelType)(CAMEL_OBJECT(o))->klass)
-
-typedef struct _CamelObjectClass CamelObjectClass;
-typedef struct _CamelObject CamelObject;
-typedef unsigned int CamelObjectHookID;
-
-typedef void (*CamelObjectClassInitFunc) (CamelObjectClass *);
-typedef void (*CamelObjectClassFinalizeFunc) (CamelObjectClass *);
-typedef void (*CamelObjectInitFunc) (CamelObject *, CamelObjectClass *);
-typedef void (*CamelObjectFinalizeFunc) (CamelObject *);
-
-typedef gboolean (*CamelObjectEventPrepFunc) (CamelObject *, gpointer);
-typedef void (*CamelObjectEventHookFunc) (CamelObject *, gpointer, gpointer);
-
-#define CAMEL_INVALID_TYPE (NULL)
-
-/* camel object args */
-enum {
- CAMEL_OBJECT_ARG_DESCRIPTION = CAMEL_ARG_FIRST,
-};
-
-enum {
- CAMEL_OBJECT_DESCRIPTION = CAMEL_OBJECT_ARG_DESCRIPTION | CAMEL_ARG_STR,
-};
-
-enum _CamelObjectFlags {
- CAMEL_OBJECT_DESTROY = (1<<0),
-};
-
-/* TODO: create a simpleobject which has no events on it, or an interface for events */
-struct _CamelObject {
- 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
-};
-
-struct _CamelObjectClass
-{
- struct _CamelObjectClass *parent;
-
- guint32 magic; /* in same spot for validation */
-
- struct _CamelObjectClass *next, *child; /* maintain heirarchy, just for kicks */
-
- const char *name;
-
- void *lock; /* lock when used in threading, else just pads struct */
-
- /*unsigned short version, revision;*/
-
- /* if the object's bigger than 64K, it could use redesigning */
- unsigned short object_size/*, object_data*/;
- unsigned short klass_size/*, klass_data*/;
-
- /* available hooks for this class */
- struct _CamelHookPair *hooks;
-
- /* memchunks for this type */
- struct _EMemChunk *instance_chunks;
-#ifdef CAMEL_OBJECT_TRACK_INSTANCES
- struct _CamelObject *instances;
-#endif
-
- /* init class */
- void (*klass_init)(struct _CamelObjectClass *);
- void (*klass_finalise)(struct _CamelObjectClass *);
-
- /* init/finalise object */
- void (*init)(struct _CamelObject *, struct _CamelObjectClass *);
- void (*finalise)(struct _CamelObject *);
-
- /* get/set interface */
- int (*setv)(struct _CamelObject *, struct _CamelException *ex, CamelArgV *args);
- int (*getv)(struct _CamelObject *, struct _CamelException *ex, CamelArgGetV *args);
- /* we only free 1 at a time, and only pointer types, obviously */
- void (*free)(struct _CamelObject *, guint32 tag, void *ptr);
-};
-
-/* 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);
-
-/* 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);
-
-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);
-
-CamelType camel_object_get_type (void);
-
-CamelObject *camel_object_new (CamelType type);
-CamelObject *camel_object_new_name (const char *name);
-
-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);
-
-/* 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 *);
-
-/* free a bunch of objects, list must be 0 terminated */
-void camel_object_free(void *vo, guint32 tag, void *value);
-
-/* for managing bags of weakly-ref'd 'child' objects */
-typedef struct _CamelObjectBag CamelObjectBag;
-
-CamelObjectBag *camel_object_bag_new(GHashFunc hash, GEqualFunc equal);
-void *camel_object_bag_get(CamelObjectBag *bag, const char *key);
-void *camel_object_bag_reserve(CamelObjectBag *bag, const char *key);
-void camel_object_bag_add(CamelObjectBag *bag, const char *key, void *o);
-void camel_object_bag_abort(CamelObjectBag *bag, const char *key);
-GPtrArray *camel_object_bag_list(CamelObjectBag *bag);
-void camel_object_bag_remove(CamelObjectBag *bag, void *o);
-void camel_object_bag_destroy(CamelObjectBag *bag);
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* CAMEL_OBJECT_H */
generated by cgit (git 2.34.1) at 2024-12-23 13:20:01 +0800